/* Pages: responsive layout, modals, product polish, and home sections
   Generated from the original stylesheet and kept in cascade order. */

/* ====================
   ??????(RWD)
   ==================== */

@media (max-width: 768px) {
    .content-container {
        flex-direction: column;
        gap: 40px;
        padding: 0 20px;
        margin: 30px auto;
    }

    h1 {
        font-size: 36px;
    }

    .track-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .track-link {
        margin-top: 2px;
        padding: 9px 16px;
    }

    .track-actions {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 2px;
    }


    .track-actions .track-link {
        text-align: center;
        box-sizing: border-box;
    }

    .footer .social-links {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        gap: 12px 20px;
    }

    .footer .social-links a {
        margin: 0;
    }

    .tracks-page {
        margin: 30px auto;
        padding: 0 20px;
    }

    .key-button-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    }

    .key-mode-heading {
        align-items: flex-start;
        flex-direction: column;
        gap: 12px;
    }

    .key-mode-switch {
        width: 100%;
        justify-content: space-between;
        box-sizing: border-box;
    }

    .key-finder-form {
        grid-template-columns: 1fr;
        display: grid;
    }

    .key-finder-upload {
        grid-template-columns: 1fr;
    }

    .key-finder-upload .primary-button {
        width: 100%;
        box-sizing: border-box;
    }

    .key-finder-final {
        font-size: 26px;
    }

    .key-button {
        padding: 10px 8px;
    }

    .cover-photo {
        max-height: 70vh;
        object-fit: contain;
    }

    #backToTopBtn {
        right: 18px;
        bottom: 22px;
        width: 42px;
        height: 42px;
        font-size: 19px;
    }

    .note-grid {
        grid-template-columns: repeat(2, 1fr);
    }


}


@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .left-column,
    .right-column {
        animation: none;
        opacity: 1;
    }

    .audio-player-card,
    .track-card,
    .primary-button,
    .secondary-button,
    .track-link,
    #backToTopBtn {
        transition: none;
    }

    .audio-player-card:hover,
    .track-card:hover,
    .primary-button:hover,
    .secondary-button:hover,
    .track-link:hover,
    #backToTopBtn:hover {
        transform: none;
    }
}

/* ====================
   敶閬? (Modal) 閮剛?
   ==================== */
.modal-overlay {
    display: none; /* ?身?梯? */
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(0, 0, 0, 0.8); /* ?€?暺? */
    z-index: 1000; /* 蝣箔?摰?€銝惜 */
    justify-content: center;
    align-items: center;
    /* ?啣?嚗??€?暺?撟單?瘛∪ */
    animation: fadeInBg 0.4s ease forwards;
}

.modal-content {
    background-color: #1a1a1a;
    padding: 30px;
    border-radius: 15px;
    width: 90%;
    max-width: 500px;
    border: 1px solid #c4a484;
    /* ?啣?嚗?敶閬??祇?憟蝯脫?擃??楚?亙???*/
    animation: fadeInPremium 0.6s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

/* ?啣?嚗?蝯西??舐?蝪∪瘛∪? */
@keyframes fadeInBg {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

.modal-content label {
    display: block;
    margin-top: 15px;
    color: #e0e0e0;
    font-size: 14px;
}

.modal-content input {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    background-color: #2a2a2a;
    border: 1px solid #444;
    color: white;
    border-radius: 5px;
    box-sizing: border-box; /* Keep padding inside modal width. */
}

.modal-buttons {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 20px;
}

#codeOutput {
    width: 100%;
    height: 150px;
    margin-top: 20px;
    background-color: #000;
    color: var(--gold);
    font-family: monospace;
    padding: 10px;
    box-sizing: border-box;
}

/* ====================
   Visual polish pass
   ==================== */
body {
    background: linear-gradient(135deg, #101010 0%, #15120f 52%, #101817 100%);
    color: var(--text);
}

h1 {
    font-size: clamp(38px, 5vw, 56px);
    line-height: 1.05;
}

.navbar {
    background-color: rgba(20, 20, 20, 0.84);
    border-bottom: 1px solid rgba(196, 164, 132, 0.16);
}

.primary-button,
.secondary-button,
.track-link,
.key-button,
.select-key-button {
    cursor: pointer;
}

.section-title,
.signature-slogan {
    letter-spacing: 0;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: -8px 0 24px;
}

.hero-badges span,
.track-meta span {
    border-radius: 999px;
    font-size: 13px;
    font-weight: bold;
    padding: 6px 10px;
}

.hero-badges span {
    color: var(--teal);
    background-color: rgba(127, 183, 173, 0.1);
    border: 1px solid rgba(127, 183, 173, 0.28);
}

.page-heading-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px;
    margin-bottom: 26px;
}

.tracks-library-page {
    position: relative;
    max-width: 1120px;
    margin-top: 82px;
}

.tracks-library-page .page-heading-row {
    display: grid;
    justify-content: start;
    gap: 0;
    max-width: 920px;
    margin-bottom: 54px;
}

.tracks-library-page .page-heading-row > div {
    max-width: 760px;
}

.tracks-library-page h1 {
    margin: 0 0 14px;
    font-size: 68px;
    line-height: 1;
}

.tracks-library-page .hero-tagline {
    margin-top: 0;
    margin-bottom: 28px;
    font-size: 22px;
}

.track-card-main {
    min-width: 0;
}

.track-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-top: 10px;
}

.track-meta span {
    color: var(--gold-light);
    background-color: rgba(196, 164, 132, 0.11);
    border: 1px solid rgba(196, 164, 132, 0.22);
}

.track-meta span:nth-of-type(2n) {
    color: var(--teal);
    background-color: rgba(127, 183, 173, 0.1);
    border-color: rgba(127, 183, 173, 0.24);
}

.track-meta span:nth-of-type(3n) {
    color: #e0b7ba;
    background-color: rgba(167, 111, 115, 0.12);
    border-color: rgba(167, 111, 115, 0.28);
}

.track-card,
.key-result,
.key-finder-panel,
.audio-player-card,
.progression-card,
.note-card,
.modal-content {
    border-radius: var(--radius);
}

.track-card,
.key-result,
.key-finder-panel {
    background-color: rgba(27, 27, 27, 0.92);
    border-color: rgba(196, 164, 132, 0.16);
}

.track-card {
    border-left-color: var(--gold);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.2);
}

.track-card:hover {
    transform: translateY(-2px);
    border-color: rgba(196, 164, 132, 0.55);
}

.track-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
}

.key-finder-panel {
    border-left-color: var(--teal);
}

.key-finder-copy,
.tool-section-heading p {
    color: var(--muted);
    line-height: 1.7;
}

.tool-section-heading {
    margin-bottom: 22px;
}

.tool-section-heading .section-title {
    margin-bottom: 6px;
}

.key-finder-candidates li {
    background-color: rgba(44, 43, 41, 0.9);
    border-color: rgba(196, 164, 132, 0.16);
}

.cover-photo,
iframe {
    border-radius: 12px;
}

.cover-photo {
    box-shadow: 0 18px 42px rgba(0, 0, 0, 0.46);
}

iframe {
    box-shadow: 0 18px 38px rgba(0, 0, 0, 0.38);
}

#backToTopBtn {
    display: none;
    place-items: center;
    line-height: 1;
    text-align: center;
}

@media (max-width: 768px) {
    .page-heading-row {
        display: block;
    }

    .hero-badges {
        margin-top: -4px;
    }

    .track-actions {
        justify-content: stretch;
    }
}

/* ====================
   Product polish additions
   ==================== */
[hidden] {
    display: none !important;
}

.nav-links a.active {
    position: relative;
}

.nav-links > .nav-compact-tools-item {
    display: none;
}

.nav-compact-tools {
    position: relative;
}

.nav-compact-tools summary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text, #e0e0e0);
    font-size: 16px;
    font-weight: bold;
    line-height: 1.2;
    list-style: none;
    cursor: pointer;
    transition:
        color 0.2s ease,
        background-color 0.2s ease,
        border-color 0.2s ease,
        box-shadow 0.2s ease,
        transform 0.2s ease;
}

.nav-compact-tools summary::-webkit-details-marker {
    display: none;
}

.nav-compact-tools summary::after {
    content: "";
    width: 6px;
    height: 6px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg) translateY(-2px);
    transition: transform 0.18s ease;
}

.nav-compact-tools[open] summary::after {
    transform: rotate(225deg) translate(-2px, -1px);
}

.nav-compact-tools-menu {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    z-index: 125;
    display: grid;
    min-width: 210px;
    padding: 8px;
    background: var(--panel-background);
    border: 1px solid var(--border-soft);
    border-radius: 8px;
    box-shadow: 0 16px 34px var(--shadow-color);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity 0.18s ease, transform 0.18s ease;
}

.nav-compact-tools-menu::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 100%;
    height: 12px;
}

.nav-compact-tools[open] .nav-compact-tools-menu {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.nav-compact-tools-menu a {
    display: block;
    padding: 10px 11px;
    border-radius: 5px;
    white-space: nowrap;
}

.nav-compact-tools-menu a:hover,
.nav-compact-tools-menu a.active {
    color: var(--gold-light);
    background: color-mix(in srgb, var(--control-hover-background) 42%, transparent);
}

.nav-links a.active::after,
.nav-dropdown summary.active::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -8px;
    height: 2px;
    background: linear-gradient(90deg, var(--gold), var(--teal));
    border-radius: 999px;
}

@media (min-width: 1181px) and (max-width: 1380px) {
    .navbar {
        gap: clamp(14px, 1.8vw, 24px);
        padding: 10px clamp(28px, 3vw, 42px);
    }

    .logo {
        flex: 0 0 auto;
        max-width: none;
        font-size: clamp(22px, 2vw, 26px);
        line-height: 1.08;
        white-space: nowrap;
    }

    .nav-links {
        gap: clamp(10px, 1vw, 16px);
    }

    .nav-links > li:nth-child(5),
    .nav-links > li:nth-child(7),
    .nav-links > li:nth-child(8) {
        display: none;
    }

    .nav-links > .nav-compact-tools-item {
        display: flex;
        position: relative;
        align-items: center;
    }

    .nav-compact-tools summary {
        min-height: 44px;
        padding: 0 15px;
        color: var(--text);
        background: color-mix(in srgb, var(--control-background) 62%, transparent);
        border: 1px solid color-mix(in srgb, var(--border-soft) 86%, transparent);
        border-radius: 999px;
        box-shadow: 0 7px 16px color-mix(in srgb, var(--shadow-color) 38%, transparent);
    }

    .nav-compact-tools summary:hover,
    .nav-compact-tools.is-active summary,
    .nav-compact-tools[open] summary {
        color: var(--secondary-hover-text);
        background: color-mix(in srgb, var(--control-hover-background) 78%, transparent);
        border-color: color-mix(in srgb, var(--hover-border) 70%, transparent);
        box-shadow: 0 9px 20px color-mix(in srgb, var(--shadow-color) 44%, transparent);
        transform: translateY(-1px);
    }

    html[data-theme="light"] .nav-compact-tools summary {
        background: color-mix(in srgb, var(--surface-raised) 84%, transparent);
    }

    html[data-theme="light"] .nav-compact-tools summary:hover,
    html[data-theme="light"] .nav-compact-tools.is-active summary,
    html[data-theme="light"] .nav-compact-tools[open] summary {
        background: color-mix(in srgb, var(--secondary-hover-background) 84%, transparent);
    }
}

.start-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 24px;
}

.start-grid .start-card:last-child:nth-child(odd) {
    grid-column: 1 / -1;
}

.key-finder-page {
    max-width: 920px;
}

.key-finder-page .key-finder-panel {
    margin-top: 34px;
}

.start-card {
    display: grid;
    gap: 7px;
    padding: 16px;
    color: var(--text);
    text-decoration: none;
    background: rgba(27, 27, 27, 0.9);
    border: 1px solid rgba(196, 164, 132, 0.18);
    border-radius: var(--radius);
    transition: transform 0.25s ease, border-color 0.25s ease, background-color 0.25s ease;
}

.start-card:hover {
    transform: translateY(-2px);
    border-color: rgba(127, 183, 173, 0.45);
    background: rgba(32, 35, 34, 0.94);
}

.start-kicker {
    color: var(--teal);
    font-size: 12px;
    font-weight: bold;
    text-transform: uppercase;
}

.start-card strong {
    color: var(--gold-light);
    font-size: 16px;
}

.start-card span:last-child {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.5;
}

.track-controls {
    display: grid;
    grid-template-columns: repeat(3, minmax(180px, 1fr));
    gap: 17px 18px;
    align-items: end;
    margin: 24px 0 14px;
    padding: 24px;
    background:
        linear-gradient(90deg, rgba(127, 183, 173, 0.035), transparent 28%),
        rgba(19, 19, 19, 0.38);
    border: 1px solid rgba(196, 164, 132, 0.16);
    border-radius: var(--radius);
}

.track-filter-actions {
    display: flex;
    align-items: center;
    align-self: end;
    grid-column: 1 / -1;
    gap: 10px;
    min-height: 42px;
}

.favorites-filter {
    display: flex !important;
    flex-direction: row !important;
    align-items: center;
    gap: 9px !important;
    width: max-content;
    min-height: 34px;
    padding: 3px 11px 3px 7px;
    color: var(--text) !important;
    background: rgba(30, 30, 30, 0.72);
    border: 1px solid rgba(196, 164, 132, 0.18);
    border-radius: 999px;
    white-space: nowrap;
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.favorites-filter input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.favorites-toggle-indicator {
    position: relative;
    width: 30px;
    height: 18px;
    flex: 0 0 auto;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 999px;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.favorites-toggle-indicator::after {
    content: "";
    position: absolute;
    top: 3px;
    left: 3px;
    width: 10px;
    height: 10px;
    background: var(--muted);
    border-radius: 50%;
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.favorites-filter:has(input:checked) {
    color: var(--gold-light) !important;
    background: rgba(127, 183, 173, 0.08);
    border-color: rgba(127, 183, 173, 0.4);
}

.favorites-filter input:checked + .favorites-toggle-indicator {
    background: rgba(127, 183, 173, 0.32);
    border-color: var(--teal);
}

.favorites-filter input:checked + .favorites-toggle-indicator::after {
    background: var(--teal);
    transform: translateX(12px);
}

.favorites-filter:has(input:focus-visible) {
    outline: 3px solid rgba(127, 183, 173, 0.24);
    outline-offset: 2px;
}

.track-reset-button {
    min-height: 34px;
    padding: 6px 11px;
    color: var(--muted);
    background: transparent;
    border: 0;
    border-radius: 5px;
    font-family: inherit;
    font-size: 13px;
    font-weight: bold;
    text-decoration: underline;
    text-decoration-color: rgba(196, 164, 132, 0.42);
    text-underline-offset: 4px;
    cursor: pointer;
}

.track-reset-button:hover {
    color: var(--gold-light);
}

.track-reset-button:focus-visible {
    color: var(--gold-light);
    outline: 3px solid rgba(127, 183, 173, 0.24);
    outline-offset: 2px;
}

.track-native-filter {
    display: none !important;
}

.track-native-filter-hidden {
    position: absolute !important;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
}

.track-pill-filter {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    grid-column: 1 / -1;
    gap: 8px;
    min-height: 48px;
    padding: 10px 12px;
    background: var(--soft-background);
    border: 1px solid var(--border-soft);
    border-radius: 7px;
}

.track-pill-filter > span {
    margin-right: 5px;
    color: var(--text-body);
    font-size: 13px;
    font-weight: 800;
}

.track-pill-options {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.track-pill-button {
    min-height: 34px;
    padding: 6px 12px;
    color: var(--secondary-button-text);
    background: var(--secondary-button-background);
    border: 1px solid var(--secondary-button-border);
    border-radius: 999px;
    font: inherit;
    font-size: 12px;
    font-weight: 800;
    line-height: 1.2;
    cursor: pointer;
    transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.track-pill-button:hover {
    color: var(--secondary-hover-text);
    background: var(--secondary-hover-background);
    border-color: var(--hover-border);
    transform: translateY(-1px);
}

.track-pill-button.is-selected {
    color: var(--chord-accent-text);
    background: var(--chord-accent);
    border-color: var(--chord-accent);
}

.track-pill-button:focus-visible {
    outline: 3px solid var(--focus-ring);
    outline-offset: 2px;
}

.track-toolbar {
    position: relative;
}

.track-toolbar-group {
    display: flex;
    align-items: center;
    gap: 13px;
}

.track-toolbar-label {
    color: var(--text-body);
    font-size: 13px;
    font-weight: 850;
}

.track-dropdown-filter {
    position: relative;
    display: block;
    min-height: auto;
    padding: 0;
    background: transparent;
    border: 0;
    border-radius: 0;
}

.track-dropdown-filter::after {
    content: "";
    position: absolute;
    top: 100%;
    right: -10px;
    left: -10px;
    height: 14px;
}

.track-dropdown-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 36px;
    padding: 6px 2px;
    color: var(--text);
    background: transparent;
    border: 0;
    border-radius: 5px;
    font: inherit;
    font-size: 13px;
    font-weight: 850;
    line-height: 1.2;
    cursor: pointer;
}

.track-dropdown-toggle::after {
    content: "";
    width: 7px;
    height: 7px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: translateY(-2px) rotate(45deg);
    transition: transform 0.2s ease;
}

.track-dropdown-toggle span {
    color: var(--teal);
}

.track-dropdown-filter:hover .track-dropdown-toggle::after,
.track-dropdown-filter:focus-within .track-dropdown-toggle::after,
.track-dropdown-filter.is-open .track-dropdown-toggle::after {
    transform: translateY(2px) rotate(225deg);
}

.track-dropdown-filter .track-pill-options {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    z-index: 35;
    display: grid;
    min-width: 190px;
    max-height: min(360px, 64vh);
    overflow: auto;
    gap: 2px;
    padding: 9px;
    background: var(--panel-background);
    border: 1px solid var(--border-soft);
    border-radius: 5px;
    box-shadow: 0 18px 36px var(--shadow-color);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity 0.18s ease, transform 0.18s ease;
}

.track-toolbar-sort .track-pill-options {
    right: 0;
    left: auto;
}

.track-dropdown-filter:hover .track-pill-options,
.track-dropdown-filter:focus-within .track-pill-options,
.track-dropdown-filter.is-open .track-pill-options {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.track-dropdown-filter .track-pill-button {
    justify-content: flex-start;
    width: 100%;
    min-height: 36px;
    padding: 8px 10px;
    color: var(--text);
    background: transparent;
    border: 0;
    border-radius: 4px;
    text-align: left;
}

.track-dropdown-filter .track-pill-button:hover,
.track-dropdown-filter .track-pill-button.is-selected {
    color: var(--chord-accent-text);
    background: var(--chord-accent);
}

.track-key-multiselect {
    position: relative;
}

.track-key-multiselect::after {
    content: "";
    position: absolute;
    top: 100%;
    right: -12px;
    left: -12px;
    height: 14px;
}

.track-key-filter-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 36px;
    padding: 6px 2px;
    color: var(--text);
    background: transparent;
    border: 0;
    border-radius: 5px;
    font: inherit;
    font-size: 13px;
    font-weight: 850;
    line-height: 1.2;
    cursor: pointer;
}

.track-key-filter-toggle::after {
    content: "";
    width: 7px;
    height: 7px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: translateY(-2px) rotate(45deg);
    transition: transform 0.2s ease;
}

.track-key-filter-toggle span {
    color: var(--teal);
}

.track-key-multiselect.is-open .track-key-filter-toggle::after {
    transform: translateY(2px) rotate(225deg);
}

.track-key-filter-toggle:focus-visible {
    outline: 3px solid var(--focus-ring);
    outline-offset: 2px;
}

/* Adapted from Uiverse.io by WhiteNervosa: Radio-buttons/WhiteNervosa_wicked-deer-90.html */
.track-key-options {
    position: absolute;
    top: calc(100% + 4px);
    left: -14px;
    z-index: 35;
    display: grid;
    grid-template-columns: repeat(4, minmax(60px, 1fr));
    box-sizing: border-box;
    width: min(328px, calc(100vw - 48px));
    overflow: visible;
    gap: 7px;
    padding: 9px;
    background: var(--panel-background);
    border: 1px solid var(--border-soft);
    border-radius: 7px;
    box-shadow: 0 18px 36px var(--shadow-color);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity 0.18s ease, transform 0.18s ease;
}

.track-key-multiselect.is-open .track-key-options {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.track-key-checkbox {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.track-key-checkbox-wrapper {
    display: inline-flex;
    box-sizing: border-box;
    min-width: 0;
    width: 100%;
}

.track-key-checkbox-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    width: 100%;
    min-width: 0;
    height: 24px;
    padding: 2px 5px;
    overflow: hidden;
    color: var(--text-body);
    background-color: color-mix(in srgb, var(--text) 11%, transparent);
    border-radius: 5px;
    box-shadow:
        rgba(0, 0, 0, 0.15) 0 2px 1px 0 inset,
        rgba(255, 255, 255, 0.14) 0 1px 1px 0;
    cursor: pointer;
    user-select: none;
    transition-duration: 300ms;
    transition-property: color, background-color, box-shadow;
    transition-timing-function: cubic-bezier(0.25, 0.8, 0.25, 1);
}

.track-key-checkbox-inner {
    color: inherit;
    font-size: 11px;
    font-weight: 900;
    line-height: 1;
    pointer-events: none;
    transition: transform 300ms cubic-bezier(0.25, 0.8, 0.25, 1);
}

.track-key-checkbox-visual:hover,
.track-key-checkbox:focus-visible + .track-key-checkbox-wrapper .track-key-checkbox-visual {
    color: var(--text-strong);
    background-color: color-mix(in srgb, var(--surface-raised) 80%, var(--teal) 20%);
    box-shadow:
        rgba(0, 0, 0, 0.23) 0 -4px 1px 0 inset,
        rgba(255, 255, 255, 0.17) 0 -1px 1px 0,
        rgba(0, 0, 0, 0.17) 0 2px 4px 1px;
}

.track-key-checkbox-wrapper:hover .track-key-checkbox-inner,
.track-key-checkbox:checked + .track-key-checkbox-wrapper .track-key-checkbox-inner {
    transform: translateY(-2px);
}

.track-key-checkbox:checked + .track-key-checkbox-wrapper .track-key-checkbox-visual {
    color: var(--chord-accent-text);
    background-color: var(--teal);
    box-shadow:
        rgba(0, 0, 0, 0.23) 0 -4px 1px 0 inset,
        rgba(255, 255, 255, 0.17) 0 -1px 1px 0,
        rgba(0, 0, 0, 0.17) 0 2px 4px 1px;
}

.track-key-checkbox:checked + .track-key-checkbox-wrapper .track-key-checkbox-visual:hover {
    background-color: color-mix(in srgb, var(--teal) 86%, var(--gold-light));
    box-shadow:
        rgba(0, 0, 0, 0.26) 0 -4px 1px 0 inset,
        rgba(255, 255, 255, 0.17) 0 -1px 1px 0,
        rgba(0, 0, 0, 0.15) 0 3px 6px 2px;
}

.track-key-checkbox:focus-visible + .track-key-checkbox-wrapper .track-key-checkbox-visual {
    outline: 3px solid var(--focus-ring);
    outline-offset: 2px;
}

.track-key-checkbox-wrapper-all .track-key-checkbox-visual {
    min-width: 0;
}

.track-key-checkbox-wrapper-all {
    grid-column: 1 / -1;
}

.track-sort-switch-control {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    min-height: 40px;
    color: var(--text);
}

.track-sort-caption {
    color: var(--text-body);
    font-size: 13px;
    font-weight: 850;
}

.track-sort-mode {
    color: var(--muted);
    font-size: 13px;
    font-weight: 850;
    white-space: nowrap;
    transition: color 0.2s ease, transform 0.2s ease;
}

.track-sort-mode.is-active {
    color: var(--teal);
    transform: translateY(-1px);
}

/* Uiverse component spec: toggle. Adapted from Uiverse.io by vinodjangid07: Toggle-switches/vinodjangid07_lucky-mole-65.html */
.uiverse-toggle-input,
.track-sort-switch-input,
.progression-writer-switch-input,
.progression-download-layout-input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.uiverse-toggle,
.track-sort-switch {
    --uiverse-toggle-width: 78px;
    --uiverse-toggle-height: 38px;
    --uiverse-toggle-knob-size: var(--uiverse-toggle-height);
    --uiverse-toggle-travel: calc(var(--uiverse-toggle-width) - var(--uiverse-toggle-knob-size));
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--uiverse-toggle-width);
    height: var(--uiverse-toggle-height);
    flex: 0 0 auto;
    background-color: color-mix(in srgb, var(--surface-soft) 82%, var(--text) 18%);
    border-radius: 999px;
    cursor: pointer;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
    box-shadow:
        rgba(0, 0, 0, 0.22) 0 2px 4px inset,
        rgba(255, 255, 255, 0.1) 0 1px 1px;
}

.uiverse-toggle::after,
.track-sort-switch::after {
    content: "";
    position: absolute;
    left: 0;
    width: var(--uiverse-toggle-knob-size);
    height: var(--uiverse-toggle-knob-size);
    background:
        conic-gradient(
            color-mix(in srgb, var(--gold) 54%, #555),
            #fffaf4,
            color-mix(in srgb, var(--gold) 44%, #5f5f5f),
            #fff7ec,
            color-mix(in srgb, var(--gold) 54%, #555)
        );
    border-radius: 50%;
    box-shadow: 5px 2px 7px rgba(8, 8, 8, 0.3);
    transition: transform 0.3s ease;
}

.uiverse-toggle-input:checked + .uiverse-toggle,
.uiverse-toggle-input:checked ~ .uiverse-toggle,
.track-sort-switch-input:checked + .track-sort-switch {
    background-color: color-mix(in srgb, var(--teal) 58%, var(--surface-soft));
}

.uiverse-toggle-input:checked + .uiverse-toggle::after,
.uiverse-toggle-input:checked ~ .uiverse-toggle::after,
.track-sort-switch-input:checked + .track-sort-switch::after {
    transform: translateX(var(--uiverse-toggle-travel));
}

.uiverse-toggle-input:focus-visible + .uiverse-toggle,
.uiverse-toggle-input:focus-visible ~ .uiverse-toggle,
.track-sort-switch-input:focus-visible + .track-sort-switch {
    outline: 3px solid var(--focus-ring);
    outline-offset: 3px;
}

.progression-write-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: fit-content;
    margin: 12px 14px 28px 0;
    text-decoration: none;
}

.key-selector > .select-key-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 300px;
    min-height: 56px;
    padding: 0 26px;
    margin: 12px 14px 28px 0;
    box-sizing: border-box;
    font-size: 16px;
    line-height: 1.1;
    white-space: nowrap;
}

.progression-writer-page,
.progression-writer-shape-picker-modal {
    min-height: 62vh;
    --diagram-tone-fill: var(--chord-control);
    --diagram-tone-text: #fffaf2;
    --diagram-root-fill: var(--gold-light);
    --diagram-root-text: #2b211a;
    --diagram-root-ring: color-mix(in srgb, var(--gold-light) 35%, transparent);
    --diagram-third-fill: #9f6b45;
    --diagram-third-text: #fffaf2;
    --diagram-third-ring: rgba(159, 107, 69, 0.24);
    --diagram-fifth-fill: #7f8970;
    --diagram-fifth-text: #fffaf2;
    --diagram-fifth-ring: rgba(127, 137, 112, 0.24);
    --diagram-seventh-fill: #9a6472;
    --diagram-seventh-text: #fffaf2;
    --diagram-seventh-ring: rgba(154, 100, 114, 0.24);
    --diagram-extension-fill: #6f7964;
    --diagram-extension-text: #fffaf2;
    --diagram-extension-ring: rgba(111, 121, 100, 0.22);
    --diagram-open-tone-background: color-mix(in srgb, var(--chord-control) 16%, transparent);
    --diagram-open-tone-border: color-mix(in srgb, var(--chord-control) 38%, transparent);
    --diagram-grid-line: color-mix(in srgb, var(--text-subtle) 62%, transparent);
}

.progression-writer-heading {
    margin-bottom: 34px;
}

.progression-writer-panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 26px;
    padding: 24px;
    color: var(--text);
    background:
        linear-gradient(90deg, color-mix(in srgb, var(--teal) 6%, transparent), transparent 38%),
        color-mix(in srgb, var(--panel-background) 68%, transparent);
    border: 1px solid var(--border-soft);
    border-left: 5px solid var(--teal);
    border-radius: 8px;
    box-shadow: 0 16px 36px var(--shadow-color);
}

.progression-writer-copy {
    margin: 0;
}

.progression-writer-copy .section-title {
    margin-bottom: 0;
}

.progression-writer-mode-control {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    min-height: 44px;
}

.progression-writer-mode-label {
    color: var(--muted);
    font-size: 14px;
    font-weight: 850;
    white-space: nowrap;
    transition: color 0.2s ease, transform 0.2s ease;
}

.progression-writer-switch-input:not(:checked) ~ .progression-writer-mode-without {
    color: var(--teal);
    transform: translateY(-1px);
}

.progression-writer-switch {
    --uiverse-toggle-width: 80px;
    --uiverse-toggle-height: 40px;
}

.progression-writer-switch-input:checked ~ .progression-writer-mode-with {
    color: var(--teal);
    transform: translateY(-1px);
}

.progression-writer-switch-input:focus-visible ~ .progression-writer-switch {
    outline: 3px solid var(--focus-ring);
    outline-offset: 3px;
}

.progression-writer-form {
    display: grid;
    gap: 18px;
    margin-top: 22px;
}

/* Adapted from Uiverse.io by mrhyddenn: Inputs/mrhyddenn_fluffy-bird-66.html */
.progression-writer-meta {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, 420px) minmax(120px, 170px);
    gap: 18px;
    padding: 20px 22px;
    color: var(--text);
    background: var(--panel-background);
    border: 1px solid var(--border-soft);
    border-left: 5px solid var(--teal);
    border-radius: 8px;
    box-shadow: 0 12px 28px var(--shadow-color);
}

.progression-writer-meta-field {
    position: relative;
    width: 100%;
    padding: 20px 0 0;
}

.progression-writer-meta-input {
    box-sizing: border-box;
    width: 100%;
    padding: 7px 0;
    color: var(--control-text);
    background: transparent;
    border: 0;
    border-bottom: 2px solid var(--border-soft);
    border-radius: 0;
    font: inherit;
    font-size: 17px;
    font-weight: 800;
    outline: 0;
    transition: border-color 0.2s ease;
}

.progression-writer-meta-input::placeholder {
    color: transparent;
}

.progression-writer-meta-label {
    position: absolute;
    top: 0;
    left: 0;
    display: block;
    color: var(--text-subtle);
    font-size: 14px;
    font-weight: 850;
    pointer-events: none;
    transition: color 0.2s ease, font-size 0.2s ease, top 0.2s ease;
}

.progression-writer-meta-input:placeholder-shown ~ .progression-writer-meta-label {
    top: 20px;
    color: var(--text-body);
    font-size: 17px;
    cursor: text;
}

.progression-writer-meta-input:focus {
    padding-bottom: 6px;
    border-bottom-width: 3px;
    border-image: linear-gradient(to right, var(--gold-light), var(--teal));
    border-image-slice: 1;
}

.progression-writer-meta-input:focus ~ .progression-writer-meta-label {
    top: 0;
    color: var(--teal);
    font-size: 14px;
}

.progression-writer-meta-input:required,
.progression-writer-meta-input:invalid {
    box-shadow: none;
}

.progression-writer-meta-select {
    appearance: none;
    -webkit-appearance: none;
    padding-right: 28px;
    background-image:
        linear-gradient(45deg, transparent 50%, currentColor 50%),
        linear-gradient(135deg, currentColor 50%, transparent 50%);
    background-position:
        calc(100% - 13px) 54%,
        calc(100% - 8px) 54%;
    background-size: 5px 5px, 5px 5px;
    background-repeat: no-repeat;
}

.progression-writer-key-control {
    display: grid;
    grid-template-columns: minmax(82px, 1fr) auto;
    align-items: end;
    gap: 14px;
}

.progression-key-mode-control {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    min-height: 44px;
    padding-bottom: 1px;
}

.progression-key-mode-label {
    color: var(--muted);
    font-size: 13px;
    font-weight: 850;
    white-space: nowrap;
    transition: color 0.2s ease, transform 0.2s ease;
}

.progression-key-mode-switch {
    --uiverse-toggle-width: 64px;
    --uiverse-toggle-height: 32px;
}

.progression-key-mode-switch::after {
    width: var(--uiverse-toggle-knob-size);
    height: var(--uiverse-toggle-knob-size);
}

.progression-key-mode-input:not(:checked) ~ .progression-key-mode-major,
.progression-key-mode-input:checked ~ .progression-key-mode-minor {
    color: var(--teal);
    transform: translateY(-1px);
}

.progression-key-mode-input:checked ~ .progression-key-mode-switch::after {
    transform: translateX(var(--uiverse-toggle-travel));
}

.progression-writer-entry,
.progression-writer-saved {
    padding: 22px;
    color: var(--text);
    background: var(--panel-background);
    border: 1px solid var(--border-soft);
    border-radius: 8px;
    box-shadow: 0 12px 28px var(--shadow-color);
}

.progression-writer-section-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
}

.progression-writer-entry[hidden],
.progression-writer-section-grid[hidden] {
    display: none;
}

.progression-writer-entry-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
}

.progression-writer-entry-heading .section-title {
    margin-bottom: 0;
    font-size: 24px;
}

.progression-writer-chord-actions {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.progression-writer-add-button,
.progression-writer-delete-button {
    min-height: 36px;
    padding: 8px 14px;
    font-size: 13px;
}

.progression-writer-delete-button {
    color: var(--gold-light);
    background: transparent;
}

.progression-writer-chord-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.progression-writer-chord-field {
    display: grid;
    align-content: start;
    gap: 10px;
    min-width: 0;
}

.progression-writer-chord-field label {
    display: grid;
    gap: 7px;
    min-width: 0;
}

.progression-writer-chord-field span {
    color: var(--text-body);
    font-size: 12px;
    font-weight: 850;
}

.progression-writer-chord-field input {
    box-sizing: border-box;
    width: 100%;
    min-height: 42px;
    padding: 10px 12px;
    color: var(--control-text);
    background: var(--control-background);
    border: 1px solid var(--border-soft);
    border-radius: 8px;
    font: inherit;
    font-size: 15px;
    font-weight: 800;
    outline: none;
    transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.progression-writer-chord-field input::placeholder {
    color: var(--placeholder-text);
}

.progression-writer-chord-field input:hover {
    background: var(--control-hover-background);
    border-color: var(--hover-border);
}

.progression-writer-chord-field input:focus {
    background: var(--control-hover-background);
    border-color: var(--teal);
    box-shadow: 0 0 0 3px var(--focus-ring);
}

.progression-writer-shape-preview:empty {
    display: none;
}

.progression-writer-shape-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(190px, 220px);
    align-items: start;
    gap: 10px;
    overflow: hidden;
    padding: 12px;
}

.progression-writer-shape-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 0;
}

.progression-writer-shape-heading > div {
    min-width: 0;
}

.progression-writer-shape-heading small {
    display: block;
    margin-top: 1px;
}

.progression-writer-shape-button {
    flex: 0 0 auto;
    min-height: 30px;
    padding: 6px 10px;
    font-size: 11px;
    line-height: 1.1;
    white-space: nowrap;
}

.progression-writer-shape-card .chord-diagram {
    width: min(100%, 220px);
    min-width: 0;
    max-width: 220px;
    grid-column: 2;
    grid-row: 1;
}

.progression-writer-shape-card .diagram-neck {
    height: 170px;
}

.progression-writer-shape-card .diagram-status-row {
    min-height: 31px;
}

.progression-writer-shape-card .diagram-finger {
    min-width: 24px;
    height: 24px;
    font-size: 9px;
}

.progression-writer-shape-empty {
    margin: 0;
    padding: 10px 12px;
    color: var(--text-body);
    background: var(--subpanel-background);
    border: 1px solid var(--border-soft);
    border-radius: 7px;
    font-size: 13px;
}

body.is-shape-picker-open {
    overflow: hidden;
}

.progression-writer-shape-picker-modal[hidden] {
    display: none;
}

.progression-writer-shape-picker-modal {
    position: fixed;
    inset: 0;
    z-index: 1100;
    display: grid;
    align-items: start;
    justify-items: center;
    box-sizing: border-box;
    min-height: auto;
    padding: 84px 28px 16px;
    overflow: hidden;
}

.progression-writer-shape-picker-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.08);
}

.progression-writer-shape-picker-dialog {
    position: relative;
    z-index: 1;
    display: grid;
    gap: 14px;
    box-sizing: border-box;
    width: min(1280px, 100%);
    max-height: calc(100dvh - 100px);
    padding: 24px;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-gutter: stable;
    color: var(--text);
    background: var(--panel-background);
    border: 1px solid var(--border-soft);
    border-radius: 8px;
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
}

.progression-writer-shape-picker-header,
.progression-writer-shape-picker-summary {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
}

.progression-writer-shape-picker-header {
    position: sticky;
    top: -24px;
    z-index: 4;
    margin: -24px -24px 0;
    padding: 24px 24px 14px;
    background: var(--panel-background);
    border-bottom: 1px solid var(--divider-color);
}

.progression-writer-shape-picker-header .section-title {
    margin-bottom: 0;
    font-size: 30px;
}

.progression-writer-shape-picker-header p {
    max-width: 620px;
    margin: 6px 0 0;
    color: var(--text-body);
    line-height: 1.55;
}

.progression-writer-shape-picker-close {
    flex: 0 0 auto;
}

.progression-writer-shape-picker-summary {
    align-items: center;
    padding: 13px 18px;
    background: var(--subpanel-background);
    border: 1px solid var(--border-soft);
    border-radius: 999px;
}

.progression-writer-shape-picker-summary strong {
    color: var(--gold-light);
    font-size: 18px;
}

.progression-writer-shape-picker-summary span {
    color: var(--teal);
    font-weight: 850;
}

.progression-writer-shape-filter {
    margin: 0;
}

.progression-writer-shape-picker-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-content: start;
    gap: 12px;
    padding: 0 4px 4px 0;
}

.progression-writer-shape-picker-card {
    grid-template-columns: 1fr;
    cursor: pointer;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.progression-writer-shape-picker-card:hover,
.progression-writer-shape-picker-card:focus-visible {
    border-color: color-mix(in srgb, var(--teal) 54%, var(--border-soft));
    box-shadow: 0 14px 34px color-mix(in srgb, var(--teal) 15%, transparent);
    outline: none;
    transform: translateY(-2px);
}

.progression-writer-shape-picker-card .progression-writer-shape-heading {
    align-items: center;
    margin-bottom: 10px;
}

.progression-writer-shape-picker-card .progression-writer-shape-heading .progression-writer-shape-button {
    margin-left: auto;
}

.progression-writer-shape-picker-card .chord-diagram {
    grid-column: auto;
    grid-row: auto;
    width: 100%;
    max-width: 200px;
}

.progression-writer-shape-picker-card .diagram-neck {
    height: 174px;
}

.progression-writer-shape-picker-card .diagram-status-row {
    min-height: 34px;
}

.progression-writer-shape-picker-card .diagram-finger {
    min-width: 25px;
    height: 25px;
    font-size: 10px;
}

.progression-writer-shape-picker-empty {
    grid-column: 1 / -1;
}

.progression-writer-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
}

.progression-writer-save-button {
    border: 0;
    font: inherit;
}

.progression-download-button {
    flex: 0 0 auto;
    appearance: none;
    -webkit-appearance: none;
    color: var(--gold-light);
    background: transparent;
    border: 0;
    cursor: pointer;
}

.progression-download-button:hover,
.progression-download-button:focus-visible {
    color: var(--secondary-hover-text);
    background: transparent;
    border: 0;
    box-shadow: none;
}

/* Adapted from Uiverse.io by vinodjangid07: Toggle-switches/vinodjangid07_lucky-mole-65.html */
.progression-download-layout-control {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-height: 44px;
    color: var(--muted);
    font-size: 14px;
    font-weight: 850;
}

.progression-download-layout-label {
    line-height: 1.3;
    white-space: nowrap;
    transition: color 0.2s ease, transform 0.2s ease;
}

.progression-download-layout-switch {
    --uiverse-toggle-width: 80px;
    --uiverse-toggle-height: 40px;
}

.progression-download-layout-input:not(:checked) ~ .progression-download-layout-full {
    color: var(--teal);
    transform: translateY(-1px);
}

.progression-download-layout-input:checked ~ .progression-download-layout-separated {
    color: var(--teal);
    transform: translateY(-1px);
}

.progression-download-layout-input:focus-visible ~ .progression-download-layout-switch {
    outline: 3px solid var(--focus-ring);
    outline-offset: 3px;
}

.progression-writer-status {
    min-height: 1.4em;
    margin: 0;
    color: var(--text-body);
    font-size: 14px;
    font-weight: 700;
}

.progression-writer-saved {
    display: grid;
    gap: 14px;
    margin-top: 22px;
}

.progression-writer-saved-heading {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 16px;
}

.progression-writer-saved-heading .result-kicker {
    margin-bottom: 6px;
}

.progression-writer-saved .section-title {
    margin-bottom: 0;
    font-size: 24px;
}

.progression-writer-saved-count {
    color: var(--teal);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    white-space: nowrap;
}

.progression-writer-saved-controls {
    display: grid;
    grid-template-columns: minmax(260px, 1fr) auto;
    align-items: end;
    gap: 14px;
    padding: 14px;
    background: var(--panel-background);
    border: 1px solid var(--border-soft);
    border-radius: 8px;
    box-shadow: 0 14px 30px var(--shadow-color);
}

.progression-writer-saved-picker {
    display: grid;
    gap: 7px;
    min-width: 0;
    color: var(--text);
    font-weight: 800;
}

.progression-writer-saved-picker span {
    color: var(--teal);
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.progression-writer-saved-picker select {
    width: 100%;
    min-height: 46px;
    padding: 0 14px;
    color: var(--text);
    background: var(--subpanel-background);
    border: 1px solid var(--border-soft);
    border-radius: 8px;
    font: inherit;
    font-weight: 800;
}

.progression-writer-saved-actions,
.progression-writer-saved-item-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: flex-end;
}

.progression-writer-saved-actions .secondary-button,
.progression-writer-saved-item-actions .secondary-button {
    min-width: 0;
    padding: 10px 14px;
    font-size: 13px;
    line-height: 1;
}

.progression-writer-saved-item-actions .secondary-button {
    min-width: 78px;
    padding: 8px 12px;
    font-size: 13px;
    font-weight: 800;
    text-align: center;
}

.progression-writer-saved-item-actions .saved-progression-delete {
    color: var(--gold);
    background: transparent;
    border: 1px solid var(--gold);
    font: inherit;
    font-weight: 800;
    cursor: pointer;
}

.progression-writer-saved-item-actions .saved-progression-delete:hover {
    color: var(--secondary-hover-text);
    background: var(--secondary-hover-background);
    border-color: var(--hover-border);
}

.progression-writer-saved-item-actions .secondary-button span {
    color: inherit;
    font-size: inherit;
    line-height: inherit;
}

.progression-writer-saved-list {
    display: grid;
    gap: 10px;
}

.progression-writer-saved-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 14px;
    padding: 12px 14px;
    background: var(--subpanel-background);
    border: 1px solid var(--border-soft);
    border-radius: 8px;
}

.progression-writer-saved-item.is-active {
    border-color: color-mix(in srgb, var(--teal) 55%, var(--border-soft));
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--teal) 28%, transparent), 0 14px 30px var(--shadow-color);
}

.progression-writer-saved-summary {
    display: grid;
    gap: 5px;
    min-width: 0;
}

.progression-writer-saved-item strong {
    color: var(--gold-light);
}

.progression-writer-saved-item span {
    color: var(--text-body);
    font-size: 13px;
    line-height: 1.5;
    overflow-wrap: anywhere;
}

.track-card-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.track-card-title-row h2,
.track-card-title-row h3 {
    margin: 0;
}

.track-title-display,
[data-track-heading] {
    text-wrap: balance;
    overflow-wrap: break-word;
}

.track-title-week,
.track-title-name,
.track-title-separator,
.track-title-key {
    display: inline;
}

html[data-language="zh-TW"] [data-track-heading].is-wrapped .track-title-separator {
    display: none;
}

.favorite-track-button {
    display: inline-grid;
    place-items: center;
    width: 36px;
    height: 36px;
    flex: 0 0 auto;
    padding: 0;
    color: var(--muted);
    background: rgba(18, 18, 18, 0.55);
    border: 1px solid rgba(196, 164, 132, 0.2);
    border-radius: 50%;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
}

.favorite-track-button.is-favorite {
    color: #dfa5aa;
    border-color: rgba(223, 165, 170, 0.5);
}

.inline-play-button {
    font: inherit;
}

.inline-track-player {
    flex: 1 0 100%;
    width: 100%;
    margin-top: 12px;
}

.inline-track-player iframe {
    width: 100%;
    min-height: 260px;
    border: 0;
    border-radius: 7px;
}

.track-controls label {
    display: grid;
    gap: 7px;
    color: var(--muted);
    font-size: 13px;
    font-weight: bold;
}

.track-controls input:not([type="checkbox"]),
.track-controls select,
.modal-content input {
    min-height: 42px;
    border-radius: 8px;
}

.track-controls input:not([type="checkbox"]),
.track-controls select {
    width: 100%;
    box-sizing: border-box;
    padding: 10px 12px;
    color: var(--text);
    background-color: rgba(20, 20, 20, 0.85);
    border: 1px solid rgba(196, 164, 132, 0.22);
    font-family: inherit;
}

.track-controls input:not([type="checkbox"]):focus,
.track-controls select:focus,
.modal-content input:focus {
    outline: 3px solid rgba(127, 183, 173, 0.24);
    border-color: var(--teal);
}

.track-result-count {
    color: var(--muted);
    margin: 0 0 12px;
    font-size: 14px;
}

.track-loading {
    color: var(--muted);
    margin: 0;
    padding: 18px;
    background: var(--panel-background);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    box-shadow: 0 8px 22px var(--shadow-color);
}

.track-loading-status {
    display: inline-flex;
    grid-column: 1 / -1;
    align-items: center;
    gap: 14px;
    min-height: 96px;
}

.track-loading-spinner {
    --jh-loader-size: 32px;
}

.track-card[hidden] {
    display: none;
}

.track-card h2,
.track-card h3 {
    margin: 0 0 8px;
    color: var(--text);
    font-size: 17px;
    line-height: 1.35;
}

.tracks-library-page .track-controls {
    display: flex;
    justify-content: space-between;
    grid-template-columns: none;
    gap: 18px;
    margin: 0 0 18px;
    padding: 13px 18px;
    border-left: 5px solid var(--teal);
    border-radius: 7px;
    box-shadow: 0 16px 36px var(--shadow-color);
}

.tracks-library-page .track-result-count {
    margin: 20px 0 14px;
    font-size: 15px;
    font-weight: 700;
}

.tracks-library-page .all-tracks-grid {
    gap: 18px;
    margin-top: 28px;
}

.tracks-library-page .all-tracks-grid.is-flipping-tracks .track-card {
    will-change: transform, opacity;
}

.tracks-library-page .track-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 20px;
    --track-cover-y: 0px;
    min-height: 150px;
    padding: 22px 24px 22px clamp(368px, 25vw, 450px);
    background: var(--glass-card-background);
    border: 1px solid var(--glass-card-border);
    border-left-width: 0;
    box-shadow: var(--glass-card-shadow);
    backdrop-filter: blur(14px) saturate(1.12);
    -webkit-backdrop-filter: blur(14px) saturate(1.12);
    overflow: hidden;
}

.tracks-library-page .track-card::before {
    background:
        linear-gradient(120deg, transparent 0%, color-mix(in srgb, var(--teal) 12%, transparent) 42%, transparent 72%),
        radial-gradient(circle at 76% 18%, color-mix(in srgb, var(--gold-light) 12%, transparent), transparent 24%);
}

.tracks-library-page .track-cover-media {
    position: absolute;
    inset: 0 auto 0 0;
    z-index: 0;
    width: clamp(340px, 23vw, 424px);
    background:
        linear-gradient(90deg, rgba(42, 30, 21, 0.04), rgba(42, 30, 21, 0.01)),
        linear-gradient(135deg, rgba(154, 107, 68, 0.92), rgba(127, 183, 173, 0.52));
    border-right: 1px solid color-mix(in srgb, var(--border-soft) 72%, transparent);
    opacity: 0.98;
    filter: saturate(1) contrast(0.98);
    transition: width 0.3s ease, opacity 0.3s ease, filter 0.3s ease;
}

.tracks-library-page .track-cover-image {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center calc(50% + var(--track-cover-y, 0px));
}

.tracks-library-page .track-card:hover .track-cover-media {
    width: clamp(352px, 24vw, 442px);
    opacity: 1;
    filter: saturate(1.06) contrast(1.02);
}

.tracks-library-page .track-card > :not(.track-cover-media) {
    position: relative;
    z-index: 1;
}

.tracks-library-page .track-card:hover {
    border-color: color-mix(in srgb, var(--teal) 38%, var(--glass-card-border));
    box-shadow:
        0 0 0 1px color-mix(in srgb, var(--teal) 12%, transparent),
        var(--glass-card-shadow),
        0 18px 42px color-mix(in srgb, var(--teal) 12%, transparent);
    transform: translateY(-4px) scale(1.006);
}

.tracks-library-page .track-card-clickable {
    cursor: pointer;
}

.tracks-library-page .track-card-clickable:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--teal) 74%, white);
    outline-offset: 4px;
}

.tracks-library-page .track-card-title-row {
    align-items: flex-start;
}

.tracks-library-page .track-card h2,
.tracks-library-page .track-card h3 {
    font-size: 18px;
    line-height: 1.25;
}

.tracks-library-page .track-meta {
    gap: 8px;
    margin-top: 12px;
}

.tracks-library-page .track-actions {
    flex-wrap: nowrap;
    justify-content: flex-end;
    align-items: center;
    gap: 14px;
}

.tracks-library-page .track-secondary-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-left: 0;
    border-left: 0;
}

.tracks-library-page .track-secondary-actions .track-secondary-action {
    min-width: 86px;
    text-align: center;
}

.tracks-library-page .track-secondary-actions .track-slides-download-link {
    min-width: 54px;
}

.tracks-library-page .track-slides-download-link-mobile {
    display: none;
}

.tracks-library-page .inline-track-player {
    grid-column: 1 / -1;
}

.track-scroll-windmill {
    position: fixed;
    right: clamp(22px, 3.4vw, 72px);
    bottom: clamp(82px, 8vh, 118px);
    z-index: 5;
    display: none;
    width: clamp(76px, 5.6vw, 104px);
    aspect-ratio: 1;
    pointer-events: none;
    opacity: 1;
    transform: none;
    filter: drop-shadow(0 18px 28px var(--shadow-color));
}

.track-scroll-windmill.is-positioned {
    display: block;
}

.track-scroll-windmill::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: -1;
    width: 72%;
    height: 72%;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(127, 183, 173, 0.2), rgba(196, 164, 132, 0.08) 42%, transparent 72%);
    transform: translate(-50%, -50%);
}

.track-scroll-windmill-svg {
    display: block;
    width: 100%;
    height: 100%;
    overflow: visible;
    transform-box: fill-box;
    transform-origin: center;
}

.track-scroll-five-blade-svg {
    border-radius: 999px;
}

.track-scroll-five-blade-rotor {
    transform-box: view-box;
    transform-origin: center;
}

.track-scroll-five-blade-rotor path,
.track-scroll-five-blade-rotor use {
    fill: url("#trackFiveBlade");
    stroke: color-mix(in srgb, var(--surface) 68%, transparent);
    stroke-width: 4;
    stroke-linejoin: round;
}

.track-scroll-five-blade-hub {
    fill: url("#trackFiveBladeHub");
    stroke: color-mix(in srgb, var(--teal) 70%, var(--gold));
    stroke-width: 4;
}

.track-scroll-five-blade-core {
    fill: var(--teal);
    stroke: color-mix(in srgb, var(--surface) 82%, white 18%);
    stroke-width: 2;
}

html[data-theme="light"] .track-scroll-five-blade-rotor path,
html[data-theme="light"] .track-scroll-five-blade-rotor use {
    stroke: color-mix(in srgb, var(--paper) 78%, transparent);
}

@media (max-width: 1180px) {
    .track-scroll-windmill {
        width: 72px;
    }
}

@media (max-width: 960px) {
    .track-scroll-windmill {
        right: 18px;
        bottom: 82px;
        width: 56px;
    }
}

@media (max-width: 520px) {
    .track-scroll-windmill {
        right: 14px;
        bottom: 76px;
        width: 50px;
    }
}

.key-finder-result {
    padding: 16px;
    background: rgba(18, 18, 18, 0.55);
    border: 1px solid rgba(127, 183, 173, 0.2);
    border-radius: var(--radius);
}

.key-finder-empty,
.key-finder-result.is-loading,
.key-finder-result.is-error {
    color: var(--muted);
}

.key-finder-result.is-loading {
    border-color: rgba(196, 164, 132, 0.35);
}

.key-finder-result.is-error {
    color: #e0b7ba;
    border-color: rgba(167, 111, 115, 0.45);
}

.result-summary {
    display: grid;
    gap: 5px;
    margin-bottom: 14px;
}

.result-kicker,
.result-source {
    color: var(--muted);
    font-size: 13px;
    font-weight: bold;
}

.confidence-row {
    display: grid;
    gap: 8px;
    margin: 14px 0;
}

.confidence-label {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    color: var(--muted);
    font-size: 14px;
}

.confidence-label strong {
    color: var(--gold-light);
}

.confidence-bar {
    height: 8px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 999px;
}

.confidence-bar span {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--teal), var(--gold));
    border-radius: inherit;
}

.result-explanation {
    display: grid;
    gap: 10px;
    margin-top: 14px;
    padding: 13px;
    background: var(--result-explanation-background, rgba(127, 183, 173, 0.07));
    border: 1px solid var(--result-explanation-border, rgba(127, 183, 173, 0.18));
    border-radius: 8px;
}

.result-explanation-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    color: var(--muted);
    font-size: 12px;
    font-weight: bold;
    text-transform: uppercase;
}

.result-explanation-heading strong {
    color: var(--gold-light);
    font-size: 13px;
    text-align: right;
}

.result-explanation-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.result-explanation-card {
    display: grid;
    align-content: start;
    gap: 6px;
    min-height: 126px;
    padding: 11px 12px;
    background: var(--result-explanation-card-background, rgba(18, 18, 18, 0.36));
    border: 1px solid var(--result-explanation-card-border, rgba(196, 164, 132, 0.14));
    border-radius: 8px;
}

.result-explanation-card h4 {
    margin: 0;
    color: var(--gold-light);
    font-size: 13px;
}

.result-explanation-card p {
    margin: 0;
    color: var(--text-soft);
    font-size: 13px;
    line-height: 1.55;
}

.result-details {
    display: grid;
    gap: 8px;
    margin-top: 14px;
}

.result-details p {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin: 0;
    color: var(--text);
}

.result-details p span {
    color: var(--muted);
    flex-shrink: 0;
}

.result-details-secondary {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.result-evidence-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    margin-top: 14px;
}

.result-evidence-grid div {
    display: grid;
    gap: 4px;
    padding: 10px 12px;
    background: rgba(42, 42, 42, 0.72);
    border: 1px solid rgba(196, 164, 132, 0.14);
    border-radius: 8px;
}

.result-evidence-grid span,
.result-analysis-notes span,
.result-ranking-block h4 {
    color: var(--muted);
    font-size: 12px;
    font-weight: bold;
    text-transform: uppercase;
}

.result-evidence-grid strong {
    color: var(--gold-light);
    font-size: 17px;
}

.result-ranking-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 14px;
}

.result-ranking-block {
    padding: 12px;
    background: rgba(18, 18, 18, 0.38);
    border: 1px solid rgba(127, 183, 173, 0.16);
    border-radius: 8px;
}

.result-ranking-block h4 {
    margin: 0 0 9px;
}

.result-ranking-block ul {
    display: grid;
    gap: 7px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.result-ranking-block li {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    color: var(--text);
    font-size: 13px;
}

.result-ranking-block li span {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.result-ranking-block li strong {
    color: var(--gold-light);
    flex-shrink: 0;
}

.result-analysis-notes {
    display: grid;
    gap: 8px;
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.result-analysis-notes p {
    display: grid;
    gap: 3px;
    margin: 0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.6;
}

.key-finder-candidates li strong {
    color: var(--gold-light);
    font-size: 14px;
}

.key-finder-candidates-note {
    display: block;
    margin-top: 8px;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.45;
}

.error-report {
    display: grid;
    gap: 12px;
}

.error-report strong {
    color: #e0b7ba;
    font-size: 17px;
}

.error-report p {
    margin: 0;
}

.error-report dl {
    display: grid;
    gap: 8px;
    margin: 0;
}

.error-report dl div {
    display: grid;
    gap: 4px;
    padding-top: 8px;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.error-report dt {
    color: var(--muted);
    font-size: 13px;
    font-weight: bold;
}

.error-report dd {
    margin: 0;
    color: var(--text);
    overflow-wrap: anywhere;
}

.error-report code {
    color: var(--gold-light);
}

.compact-heading {
    margin-bottom: 14px;
}

.instruction-panel {
    color: var(--gold-light);
    font-size: 14px;
    margin-top: 15px;
    background: rgba(42, 42, 42, 0.88);
    padding: 15px;
    border-radius: var(--radius);
    border-left: 4px solid var(--teal);
    line-height: 1.6;
}

.instruction-panel p {
    margin: 8px 0 0;
}

.modal-content h2 {
    color: var(--gold);
    margin: 0 0 16px;
    font-size: 22px;
}

#codeOutput[hidden] {
    display: none;
}

@media (max-width: 900px) {
    .track-controls {
        grid-template-columns: 1fr 1fr;
    }

    .tracks-library-page .track-controls {
        align-items: stretch;
        flex-direction: column;
        grid-template-columns: minmax(0, 1fr);
    }

    .tracks-library-page .track-toolbar-group {
        justify-content: space-between;
    }

    .track-sort-switch-control {
        flex-wrap: wrap;
        justify-content: flex-start;
    }

    .progression-writer-panel {
        grid-template-columns: 1fr;
        align-items: flex-start;
    }

    .progression-writer-mode-control {
        justify-content: flex-start;
    }

    .progression-writer-chord-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .progression-writer-shape-picker-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .tracks-library-page .page-heading-row {
        align-items: center;
    }

    .tracks-library-page .track-card {
        grid-template-columns: 1fr;
        gap: 16px;
        padding-left: clamp(300px, 38vw, 356px);
    }

    .tracks-library-page .track-actions {
        justify-content: flex-start;
        width: 100%;
    }

    .track-controls .search-field {
        grid-column: 1 / -1;
    }

    .progression-control-groups {
        grid-template-columns: 1fr;
    }

    .playback-level-row {
        grid-template-columns: 82px repeat(2, minmax(130px, 1fr));
    }
}

@media (max-width: 768px) {
    .nav-links a.active::after {
        bottom: 1px;
    }

    .start-grid,
    .track-controls {
        grid-template-columns: 1fr;
    }

    .track-controls {
        padding: 16px 0;
    }

    .tracks-library-page {
        margin-top: 48px;
    }

    .tracks-library-page .page-heading-row {
        display: grid;
        justify-items: center;
        text-align: center;
        gap: 18px;
        margin-bottom: 32px;
    }

    .tracks-library-page h1 {
        font-size: 44px;
    }

    .tracks-library-page .hero-tagline {
        font-size: 22px;
    }

    .tracks-library-page .track-controls {
        grid-template-columns: minmax(0, 1fr);
        padding: 20px;
        border-left-width: 4px;
    }

    .tracks-library-page .track-controls .search-field {
        max-width: none;
    }

    .track-pill-filter {
        align-items: flex-start;
        gap: 8px 10px;
    }

    .track-pill-filter > span {
        width: 100%;
        margin-right: 0;
    }

    .track-key-multiselect,
    .track-key-filter-toggle,
    .track-sort-switch-control {
        width: 100%;
    }

    .track-key-filter-toggle {
        justify-content: space-between;
    }

    .track-key-options {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        left: 0;
        width: min(268px, calc(100vw - 72px));
    }

    .track-sort-mode {
        font-size: 12px;
    }

    .progression-write-link {
        width: 100%;
        box-sizing: border-box;
    }

    .key-selector > .select-key-button {
        width: 100%;
        min-width: 0;
        margin-right: 0;
    }

    .progression-writer-panel {
        padding: 20px;
    }

    .progression-writer-mode-control {
        flex-wrap: wrap;
        gap: 10px;
    }

    .progression-writer-mode-label {
        font-size: 13px;
    }

    .progression-writer-entry-heading,
    .progression-writer-actions,
    .progression-writer-saved-heading,
    .progression-writer-saved-controls,
    .progression-writer-saved-item {
        grid-template-columns: 1fr;
        flex-direction: column;
        align-items: stretch;
    }

    .progression-writer-saved-heading {
        align-items: flex-start;
    }

    .progression-writer-saved-count {
        white-space: normal;
    }

    .progression-writer-saved-actions,
    .progression-writer-saved-item-actions {
        justify-content: flex-start;
    }

    .progression-writer-saved-actions .secondary-button,
    .progression-writer-saved-item-actions .secondary-button,
    .progression-writer-saved-item-actions .saved-progression-delete {
        flex: 1 1 130px;
    }

    .progression-download-layout-control {
        flex-wrap: wrap;
        justify-content: space-between;
        width: 100%;
    }

    .progression-download-layout-label {
        font-size: 13px;
        white-space: normal;
    }

    .progression-writer-section-grid,
    .progression-writer-meta,
    .progression-writer-key-control,
    .progression-writer-chord-grid {
        grid-template-columns: 1fr;
    }

    .progression-writer-shape-card {
        grid-template-columns: 1fr;
    }

    .progression-writer-shape-card .chord-diagram {
        grid-column: auto;
        grid-row: auto;
        width: min(100%, 210px);
        justify-self: center;
    }

    .progression-writer-shape-picker-modal {
        padding: 72px 12px 12px;
    }

    .progression-writer-shape-picker-dialog {
        max-height: calc(100dvh - 84px);
        padding: 18px;
    }

    .progression-writer-shape-picker-header {
        top: -18px;
        margin: -18px -18px 0;
        padding: 18px 18px 12px;
    }

    .progression-writer-shape-picker-header,
    .progression-writer-shape-picker-summary {
        flex-direction: column;
        align-items: stretch;
    }

    .progression-writer-shape-picker-grid {
        grid-template-columns: 1fr;
    }

    .progression-writer-chord-actions,
    .progression-writer-add-button,
    .progression-writer-delete-button,
    .progression-writer-save-button {
        width: 100%;
        box-sizing: border-box;
    }

    .progression-writer-chord-actions {
        flex-direction: column;
    }

    .progression-writer-shape-picker-card .chord-diagram {
        width: min(100%, 190px);
        justify-self: center;
    }

    .track-filter-actions {
        grid-column: 1 / -1;
        justify-content: space-between;
    }

    .tracks-library-page .track-filter-actions {
        align-items: stretch;
        justify-content: center;
        gap: 12px;
    }

    .tracks-library-page .favorites-filter {
        justify-content: center;
    }

    .tracks-library-page .track-card {
        padding: 148px 18px 22px;
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: center;
        column-gap: 16px;
        row-gap: 12px;
    }

    .tracks-library-page .track-cover-media {
        inset: 0 0 auto 0;
        width: auto;
        height: 124px;
        border-right: 0;
        border-bottom: 1px solid color-mix(in srgb, var(--border-soft) 72%, transparent);
    }

    .tracks-library-page .track-cover-image {
        object-position: center;
    }

    .tracks-library-page .track-card:hover .track-cover-media {
        width: auto;
    }

    .tracks-library-page .track-card-title-row {
        gap: 10px;
    }

    .tracks-library-page .track-card-main {
        display: grid;
        row-gap: 12px;
        min-width: 0;
    }

    .tracks-library-page .track-card-title-row {
        min-width: 0;
    }

    .tracks-library-page .track-meta {
        display: flex;
        align-items: center;
        justify-content: flex-start;
        flex-wrap: wrap;
        gap: 10px;
        margin-top: 0;
    }

    .tracks-library-page .track-actions {
        display: flex;
        align-self: center;
        justify-self: end;
        width: auto;
        margin: 0;
    }

    .tracks-library-page .track-secondary-actions {
        display: inline-flex;
        width: auto;
        justify-content: center;
        flex-wrap: nowrap;
        padding-left: 0;
        border-left: 0;
        border-top: 0;
        padding-top: 0;
    }

    .track-controls .secondary-button {
        width: 100%;
        box-sizing: border-box;
        text-align: center;
    }

    .result-details p,
    .confidence-label {
        display: grid;
        gap: 3px;
    }

    .result-explanation-grid,
    .result-evidence-grid,
    .result-ranking-grid {
        grid-template-columns: 1fr;
    }

    .result-explanation-heading {
        align-items: flex-start;
        flex-direction: column;
        gap: 4px;
    }

    .progression-card {
        align-items: stretch;
        flex-direction: column;
    }

    .progression-toolbar-heading {
        align-items: flex-start;
        flex-direction: column;
        gap: 4px;
    }

    .progression-control-groups,
    .chord-setting-controls,
    .playback-controls,
    .playback-level-row,
    .playback-option-row {
        grid-template-columns: 1fr;
    }

    .progression-control-group summary {
        padding-block: 13px;
    }

    .progression-play-button,
    .progression-controls .secondary-button {
        width: 100%;
        box-sizing: border-box;
        text-align: center;
    }

    .progression-controls label,
    .progression-controls input[type="range"] {
        width: 100%;
    }

    .playback-controls .metronome-toggle,
    .playback-controls .backing-toggle {
        align-self: stretch;
    }

    .track-secondary-actions {
        display: grid;
        grid-template-columns: minmax(0, 1fr);
        width: 100%;
        padding: 8px 0 0;
        border-top: 0;
        border-left: 0;
    }

    .track-secondary-action {
        width: 100%;
        box-sizing: border-box;
        text-align: center;
    }

    .tracks-library-page .track-secondary-action {
        width: auto;
    }
}

@media (max-width: 430px) {
    .tracks-library-page .track-card {
        padding-inline: 16px;
        grid-template-columns: minmax(0, 1fr) 50px;
    }

    .tracks-library-page .track-card-main {
        column-gap: 10px;
    }

    .tracks-library-page .track-meta {
        gap: 8px;
    }

    .tracks-library-page .track-meta span {
        white-space: nowrap;
    }

    .tracks-library-page .track-actions .track-slides-download-link {
        --slides-action-size: 48px;
        width: var(--slides-action-size);
        min-width: var(--slides-action-size);
        height: var(--slides-action-size);
        min-height: var(--slides-action-size);
    }

    .progression-writer-page {
        padding-inline: 16px;
    }

    .progression-writer-panel,
    .progression-writer-meta,
    .progression-writer-entry,
    .progression-writer-saved {
        padding-inline: 16px;
    }

    .progression-writer-mode-control,
    .progression-download-layout-control {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
        gap: 9px;
    }

    .progression-writer-mode-label,
    .progression-download-layout-label {
        white-space: normal;
    }

    .progression-writer-mode-without,
    .progression-download-layout-full {
        text-align: right;
    }

    .progression-writer-mode-with,
    .progression-download-layout-separated {
        text-align: left;
    }

    .progression-writer-shape-card .chord-diagram {
        width: min(100%, 190px);
    }
}

@media (max-width: 360px) {
    .tracks-library-page .track-card {
        grid-template-columns: 1fr;
    }

    .tracks-library-page .track-actions {
        justify-self: start;
    }
}

.modal-open {
    overflow: hidden;
}

.status-page {
    width: min(760px, calc(100% - 36px));
    min-height: calc(100vh - 150px);
    margin: 0 auto;
    display: grid;
    place-content: center;
    justify-items: start;
    gap: 18px;
}

.status-page h1,
.status-page p {
    margin: 0;
}

.status-page h1 {
    max-width: 720px;
    color: var(--gold);
    font-family: "Noto Serif TC", serif;
    font-size: 58px;
    line-height: 1.05;
}

.status-page > p:not(.status-page-code) {
    max-width: 600px;
    color: var(--muted);
    font-size: 17px;
    line-height: 1.7;
}

.status-page-code {
    color: var(--teal);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.12em;
}

.status-page-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 8px;
}

.status-page-actions a,
.status-page-actions button {
    box-sizing: border-box;
    text-decoration: none;
}

.status-page-spinner {
    --jh-loader-size: 42px;
    --jh-loader-color: var(--teal);
}

/* ====================
   Professional home page
   ==================== */
.home-page {
    min-height: 100vh;
}

.home-section-inner,
.home-feature-inner {
    width: min(1120px, calc(100% - 48px));
    margin: 0 auto;
}

.home-hero {
    --jam-mark-fill: rgba(150, 104, 66, 0.2);
    position: relative;
    padding: 82px 0 54px;
    overflow: hidden;
}

.home-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        repeating-linear-gradient(0deg, transparent 0 34px, color-mix(in srgb, var(--teal) 8%, transparent) 35px 36px, transparent 37px 70px);
    -webkit-mask-image: linear-gradient(90deg, transparent 0%, black 12%, black 76%, transparent 100%);
    mask-image: linear-gradient(90deg, transparent 0%, black 12%, black 76%, transparent 100%);
    opacity: 0.34;
}

.home-hero .home-section-inner {
    position: relative;
    isolation: isolate;
    max-width: 920px;
    margin-left: max(24px, calc((100% - 1120px) / 2));
}

.home-jam-mark {
    position: absolute;
    top: 0;
    left: -22px;
    z-index: 0;
    width: min(740px, calc(100vw - 72px));
    max-width: 100%;
    height: auto;
    overflow: visible;
    pointer-events: none;
    user-select: none;
}

.home-jam-mark-text {
    fill: var(--jam-mark-fill);
    stroke: none;
    stroke-linecap: round;
    stroke-linejoin: round;
    font-family: "Times New Roman", "Noto Serif TC", serif;
    font-size: 216px;
    font-weight: 400;
    letter-spacing: 0;
    opacity: 0;
    animation: homeJamSettle 2.4s ease 0.35s forwards;
}

@keyframes homeJamSettle {
    to {
        opacity: 1;
    }
}

html:not([data-theme="light"]) .home-hero {
    --jam-mark-fill: rgba(211, 174, 136, 0.3);
}

.home-hero .home-section-inner > :not(.home-jam-mark) {
    position: relative;
    z-index: 1;
}

@media (prefers-reduced-motion: reduce) {
    .home-jam-mark-text {
        opacity: 1;
        animation: none;
    }

}

.home-hero h1 {
    max-width: 760px;
    margin: 0 0 14px;
    font-size: 68px;
    line-height: 1;
}

.home-hero .home-split-word,
.home-hero .home-split-char {
    display: inline-block;
    will-change: transform, opacity;
}

.home-hero .home-split-word {
    white-space: nowrap;
}

.home-eyebrow {
    margin: 0 0 12px;
    color: var(--teal);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.home-lead {
    max-width: 680px;
    margin: 0 0 28px;
    color: var(--muted);
    font-size: 18px;
    line-height: 1.75;
}

.home-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    max-width: 760px;
    margin: 42px 0 0;
    padding: 18px 0;
    border-top: 1px solid var(--border-soft);
    border-bottom: 1px solid var(--border-soft);
}

.home-metrics div {
    padding: 0 22px;
    border-right: 1px solid var(--border-soft);
}

.home-metrics div:first-child {
    padding-left: 0;
}

.home-metrics div:last-child {
    border-right: 0;
}

.home-metrics dt {
    color: var(--gold);
    font-family: "Noto Serif TC", serif;
    font-size: 26px;
    font-weight: bold;
}

.home-metrics dd {
    margin: 4px 0 0;
    color: var(--muted);
    font-size: 13px;
}

.home-tools,
.home-releases,
.home-about {
    padding: 64px 0;
}

.home-section-heading {
    margin-bottom: 24px;
}

.home-section-heading h2,
.home-feature-band h2,
.about-copy h2 {
    margin: 0;
    font-family: "Noto Serif TC", serif;
    font-size: 34px;
    line-height: 1.2;
}

.home-section-heading-row {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 24px;
}

.home-start-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.home-start-grid .start-card:last-child:nth-child(odd) {
    grid-column: 1 / -1;
}

.home-start-grid .start-card {
    min-height: 118px;
}

.home-step-rail {
    width: 100%;
    margin-top: 24px;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: thin;
    scrollbar-color: color-mix(in srgb, var(--teal) 48%, var(--gold) 24%) transparent;
    scroll-snap-type: x mandatory;
}

.home-step-rail::-webkit-scrollbar {
    height: 8px;
}

.home-step-rail::-webkit-scrollbar-track {
    background: color-mix(in srgb, var(--panel-background) 78%, transparent);
    border-radius: 999px;
}

.home-step-rail::-webkit-scrollbar-thumb {
    background: linear-gradient(90deg, var(--teal), var(--gold));
    border-radius: 999px;
}

.home-step-rail.is-gsap-driven {
    overflow: hidden;
}

.home-step-track {
    --home-step-end-buffer: clamp(120px, 16vw, 220px);
    display: flex;
    gap: 18px;
    width: max-content;
    min-width: 100%;
    margin-top: 0;
    padding: 2px var(--home-step-end-buffer) 14px 2px;
}

.home-step-track .start-card,
.home-step-track .start-card:last-child:nth-child(odd) {
    grid-column: auto;
}

.home-step-track .start-card {
    flex: 0 0 clamp(280px, 28vw, 360px);
    min-height: 250px;
    padding: clamp(24px, 2.4vw, 32px);
    scroll-snap-align: start;
}

/* Adapted from Uiverse.io by joe-watson-sbf: rude-shrimp-21 */
.home-step-card {
    align-content: center;
    justify-content: end;
    overflow: hidden;
    isolation: isolate;
    perspective: 900px;
    background:
        linear-gradient(
            135deg,
            color-mix(in srgb, var(--panel-background) 92%, transparent),
            color-mix(in srgb, var(--surface-soft) 74%, transparent)
        );
    border-color: color-mix(in srgb, var(--teal) 28%, var(--gold) 20%);
    transition:
        flex-basis 0.5s ease,
        transform 0.25s ease,
        background-color 0.28s ease,
        border-color 0.2s ease,
        box-shadow 0.25s ease;
}

.home-step-card:hover,
.home-step-card:focus-visible {
    flex-basis: clamp(340px, 34vw, 440px);
    align-content: center;
    justify-content: center;
    justify-items: center;
    text-align: center;
    background:
        linear-gradient(
            135deg,
            color-mix(in srgb, var(--panel-background) 94%, transparent),
            color-mix(in srgb, var(--teal) 8%, var(--surface-soft))
        );
    border-color: color-mix(in srgb, var(--teal) 46%, var(--gold) 24%);
}

.home-step-card::after {
    content: "";
    display: none;
    position: absolute;
    right: 24px;
    bottom: 22px;
    z-index: 0;
    width: 150px;
    height: 150px;
    border: 1px solid color-mix(in srgb, var(--teal) 38%, transparent);
    border-radius: 999px;
    background:
        radial-gradient(circle, color-mix(in srgb, var(--teal) 15%, transparent), transparent 66%),
        radial-gradient(circle at 72% 30%, color-mix(in srgb, var(--gold) 14%, transparent), transparent 48%);
    opacity: 0.22;
    transform: scale(0.86);
    transition: opacity 0.28s ease, transform 0.32s ease, border-radius 0.32s ease;
}

.home-step-card > * {
    position: relative;
    z-index: 1;
}

.home-step-card:hover::after {
    opacity: 0;
    transform: none;
}

.home-step-card .start-kicker,
.home-step-card > strong,
.home-step-card > span:last-child {
    position: relative;
    z-index: 2;
}

.home-step-card .start-kicker {
    display: inline-block;
    margin-bottom: 8px;
}

.home-step-card > strong {
    display: block;
    max-width: 100%;
    transform-origin: left bottom;
    transition: transform 0.42s ease, color 0.28s ease;
}

.home-step-card:hover > strong,
.home-step-card:focus-visible > strong {
    color: color-mix(in srgb, var(--gold) 82%, var(--teal));
    justify-self: center;
    width: 100%;
    transform: translateY(-3px);
}

.home-step-card > span:last-child {
    display: block;
    max-width: 100%;
    max-height: 0;
    margin-top: 0;
    overflow: hidden;
    opacity: 0;
    line-height: 1.52;
    overflow-wrap: break-word;
    text-wrap: balance;
    transform: translateY(10px);
    transition:
        max-height 0.42s ease,
        margin-top 0.3s ease,
        opacity 0.28s ease,
        transform 0.32s ease;
}

.home-step-card:hover > span:last-child,
.home-step-card:focus-visible > span:last-child {
    justify-self: center;
    width: min(100%, 32ch);
    max-height: 5.5rem;
    margin-top: 10px;
    opacity: 1;
    transform: translateY(0);
}

.home-step-card:hover .start-kicker,
.home-step-card:focus-visible .start-kicker {
    justify-self: center;
}

.step-motif {
    position: absolute;
    right: 26px;
    bottom: 26px;
    z-index: 0;
    width: 132px;
    height: 100px;
    color: color-mix(in srgb, var(--gold) 62%, var(--teal));
    opacity: 0.55;
    pointer-events: none;
    transform-origin: center;
    transition: opacity 0.3s ease, transform 0.34s ease, filter 0.34s ease;
}

.step-motif span {
    position: absolute;
    display: block;
}

.home-step-card:hover .step-motif {
    opacity: 0.78;
    filter: saturate(1.08);
}

.step-motif-tracks {
    right: 24px;
    bottom: 24px;
    width: 148px;
    height: 104px;
    border: 1px solid color-mix(in srgb, var(--gold) 30%, transparent);
    border-radius: 18px;
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--panel-background) 88%, transparent), color-mix(in srgb, var(--teal) 10%, transparent)),
        linear-gradient(90deg, color-mix(in srgb, var(--gold) 12%, transparent), transparent 62%);
    box-shadow: inset 0 -18px 28px color-mix(in srgb, var(--teal) 8%, transparent);
    transform: rotate(-2deg);
}

.step-motif-tracks::before {
    content: "";
    position: absolute;
    left: 17px;
    top: 18px;
    width: 50px;
    height: 50px;
    border: 2px solid color-mix(in srgb, var(--gold) 42%, transparent);
    border-radius: 999px;
    background:
        radial-gradient(circle, color-mix(in srgb, var(--teal) 50%, var(--gold)) 0 7px, transparent 8px),
        repeating-radial-gradient(circle, transparent 0 11px, color-mix(in srgb, var(--gold) 22%, transparent) 12px 13px);
}

.step-motif-tracks::after {
    content: "";
    position: absolute;
    right: 22px;
    top: 25px;
    width: 36px;
    height: 36px;
    border: 2px solid color-mix(in srgb, var(--teal) 44%, transparent);
    border-radius: 999px;
    background:
        radial-gradient(circle, currentColor 0 5px, transparent 6px),
        repeating-radial-gradient(circle, transparent 0 9px, color-mix(in srgb, var(--teal) 20%, transparent) 10px 11px);
}

.step-motif-tracks span {
    height: 3px;
    border-radius: 999px;
    background: color-mix(in srgb, currentColor 82%, var(--teal));
}

.step-motif-tracks span:nth-child(1) {
    left: 64px;
    top: 44px;
    width: 36px;
    transform: rotate(-5deg);
}

.step-motif-tracks span:nth-child(2) {
    left: 21px;
    right: 21px;
    bottom: 22px;
    height: 8px;
    background:
        linear-gradient(90deg, currentColor 0 12%, transparent 12% 18%, currentColor 18% 27%, transparent 27% 34%, currentColor 34% 48%, transparent 48% 55%, currentColor 55% 68%, transparent 68% 76%, currentColor 76% 100%);
    opacity: 0.7;
}

.step-motif-tracks span:nth-child(3) {
    left: 28px;
    right: 28px;
    bottom: 36px;
    background: linear-gradient(90deg, var(--teal), currentColor);
    opacity: 0.72;
}

.step-motif-tracks span:nth-child(1)::after {
    content: "";
    position: absolute;
    right: -11px;
    top: -5px;
    width: 12px;
    height: 12px;
    border-right: 3px solid currentColor;
    border-bottom: 3px solid currentColor;
    transform: rotate(-45deg);
}

.step-motif-dictionary {
    width: 122px;
    height: 104px;
    right: 30px;
    bottom: 22px;
    background:
        linear-gradient(90deg, color-mix(in srgb, var(--gold) 28%, transparent) 1px, transparent 1px),
        linear-gradient(color-mix(in srgb, var(--teal) 30%, transparent) 1px, transparent 1px);
    background-size: 24px 24px;
    border: 1px solid color-mix(in srgb, var(--gold) 34%, transparent);
    border-radius: 10px;
    transform: rotate(-3deg);
}

.step-motif-dictionary span {
    width: 18px;
    height: 18px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--gold) 72%, var(--surface));
    box-shadow: 0 0 0 5px color-mix(in srgb, var(--teal) 15%, transparent);
}

.step-motif-dictionary span:nth-child(1) { left: 15px; top: 14px; }
.step-motif-dictionary span:nth-child(2) { left: 61px; top: 14px; }
.step-motif-dictionary span:nth-child(3) { left: 38px; top: 55px; }
.step-motif-dictionary span:nth-child(4) { left: 84px; top: 72px; }

.step-motif-scale {
    width: 136px;
    height: 96px;
    right: 24px;
    bottom: 27px;
}

.step-motif-scale::before {
    content: "";
    position: absolute;
    inset: 18px 8px 18px 10px;
    border-top: 2px solid color-mix(in srgb, var(--gold) 36%, transparent);
    border-bottom: 2px solid color-mix(in srgb, var(--teal) 30%, transparent);
    transform: skewX(-18deg);
}

.step-motif-scale::after {
    content: "";
    position: absolute;
    left: 18px;
    right: 18px;
    top: 51px;
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--teal), var(--gold));
    transform: rotate(-18deg);
}

.step-motif-scale span {
    width: 16px;
    height: 16px;
    border-radius: 999px;
    background: var(--panel-background);
    border: 3px solid currentColor;
}

.step-motif-scale span:nth-child(1) { left: 14px; top: 60px; }
.step-motif-scale span:nth-child(2) { left: 48px; top: 45px; }
.step-motif-scale span:nth-child(3) { left: 82px; top: 29px; }
.step-motif-scale span:nth-child(4) { left: 116px; top: 14px; }

.step-motif-keyfinder {
    width: 150px;
    height: 108px;
    right: 20px;
    bottom: 20px;
}

.step-motif-keyfinder::before {
    content: "";
    position: absolute;
    left: 10px;
    top: 12px;
    width: 118px;
    height: 82px;
    border: 1px solid color-mix(in srgb, var(--teal) 22%, transparent);
    border-radius: 999px;
    background:
        radial-gradient(circle at 72% 24%, color-mix(in srgb, var(--gold) 16%, transparent), transparent 42%),
        radial-gradient(circle at 28% 76%, color-mix(in srgb, var(--teal) 15%, transparent), transparent 46%);
    transform: rotate(-4deg);
    box-shadow: inset 0 0 0 18px color-mix(in srgb, var(--panel-background) 42%, transparent);
}

.step-motif-keyfinder::after {
    content: "";
    position: absolute;
    left: 70px;
    top: 27px;
    width: 51px;
    height: 9px;
    border-radius: 999px;
    background: currentColor;
    transform: rotate(-8deg);
    opacity: 0.78;
}

.step-motif-keyfinder span {
    width: 24px;
    height: 16px;
    border-radius: 55% 45% 55% 45%;
    background: color-mix(in srgb, currentColor 72%, var(--panel-background));
    box-shadow: 0 0 0 5px color-mix(in srgb, var(--teal) 10%, transparent);
    transform: rotate(-18deg);
}

.step-motif-keyfinder span::before {
    content: "";
    position: absolute;
    right: 1px;
    bottom: 10px;
    width: 4px;
    height: 49px;
    border-radius: 999px;
    background: currentColor;
    transform: rotate(4deg);
}

.step-motif-keyfinder span::after {
    content: "";
    position: absolute;
    right: -11px;
    top: -38px;
    width: 18px;
    height: 24px;
    border-top: 4px solid currentColor;
    border-right: 4px solid currentColor;
    border-radius: 0 16px 0 0;
    transform: rotate(18deg);
    opacity: 0.74;
}

.step-motif-keyfinder span:nth-child(1) {
    left: 24px;
    top: 62px;
    background: color-mix(in srgb, var(--gold) 68%, var(--teal));
}

.step-motif-keyfinder span:nth-child(2) {
    left: 68px;
    top: 60px;
    background: color-mix(in srgb, var(--teal) 70%, var(--gold));
    transform: rotate(-18deg);
}

.step-motif-keyfinder span:nth-child(3) {
    left: 108px;
    top: 53px;
    transform: rotate(-18deg) scale(0.94);
}

.step-motif-keyfinder span:nth-child(2)::before {
    height: 45px;
}

.step-motif-keyfinder span:nth-child(3)::before {
    height: 42px;
}

.step-motif-keyfinder span:nth-child(2)::after,
.step-motif-keyfinder span:nth-child(3)::after {
    display: none;
}

.step-motif-progressions {
    width: 142px;
    height: 106px;
    right: 24px;
    bottom: 22px;
}

.step-motif-progressions::before {
    content: "";
    position: absolute;
    left: 24px;
    top: 16px;
    width: 84px;
    height: 66px;
    border: 3px solid color-mix(in srgb, var(--teal) 34%, transparent);
    border-left-color: color-mix(in srgb, var(--gold) 42%, transparent);
    border-radius: 999px;
    transform: rotate(-18deg);
}

.step-motif-progressions::after {
    content: none;
}

.step-motif-progressions span {
    display: grid;
    place-items: center;
    width: 40px;
    height: 34px;
    border: 1px solid color-mix(in srgb, var(--gold) 38%, transparent);
    border-radius: 11px;
    background:
        linear-gradient(145deg, color-mix(in srgb, var(--panel-background) 92%, transparent), color-mix(in srgb, var(--gold) 18%, transparent));
    box-shadow: 0 8px 18px color-mix(in srgb, var(--shadow-color) 42%, transparent);
}

.step-motif-progressions span::before {
    color: color-mix(in srgb, var(--text) 78%, var(--teal));
    font: 800 12px/1 var(--font-sans);
}

.step-motif-progressions span:nth-child(1) {
    left: 5px;
    top: 36px;
}

.step-motif-progressions span:nth-child(1)::before {
    content: "I";
}

.step-motif-progressions span:nth-child(2) {
    left: 43px;
    top: 10px;
}

.step-motif-progressions span:nth-child(2)::before {
    content: "vi";
}

.step-motif-progressions span:nth-child(3) {
    left: 78px;
    top: 58px;
}

.step-motif-progressions span:nth-child(3)::before {
    content: "IV";
}

.step-motif-progressions span:nth-child(4) {
    left: 101px;
    top: 25px;
}

.step-motif-progressions span:nth-child(4)::before {
    content: "V";
}

.step-motif-trainer {
    width: 128px;
    height: 98px;
    right: 28px;
    bottom: 26px;
    background:
        linear-gradient(90deg, color-mix(in srgb, var(--gold) 28%, transparent) 1px, transparent 1px),
        linear-gradient(color-mix(in srgb, var(--teal) 24%, transparent) 1px, transparent 1px);
    background-size: 25px 24px;
    border-left: 3px solid color-mix(in srgb, var(--gold) 38%, transparent);
    transform: perspective(340px) rotateX(15deg) rotateZ(-2deg);
}

.step-motif-trainer::before {
    content: "";
    position: absolute;
    left: 64px;
    top: 35px;
    width: 30px;
    height: 30px;
    border: 3px solid color-mix(in srgb, var(--teal) 75%, var(--gold));
    border-radius: 999px;
    box-shadow: 0 0 0 8px color-mix(in srgb, var(--teal) 12%, transparent);
}

.step-motif-trainer span {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: currentColor;
}

.step-motif-trainer span:nth-child(1) { left: 18px; top: 22px; }
.step-motif-trainer span:nth-child(2) { left: 64px; top: 45px; }
.step-motif-trainer span:nth-child(3) { left: 103px; top: 70px; }

.home-step-card .step-motif {
    display: none;
}

.home-step-card .step-motif::before,
.home-step-card .step-motif::after {
    content: none;
}

.step-motif svg {
    display: block;
    width: 100%;
    height: 100%;
    overflow: visible;
}

.step-motif .home-draw,
.step-motif .motif-panel {
    fill: none;
    stroke: currentColor;
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
    vector-effect: non-scaling-stroke;
}

.step-motif .home-draw-soft {
    stroke: color-mix(in srgb, var(--muted) 46%, transparent);
    stroke-width: 2;
}

.step-motif .home-draw-accent {
    stroke: color-mix(in srgb, var(--teal) 72%, var(--gold));
    stroke-width: 3.25;
}

.step-motif .motif-panel {
    stroke: color-mix(in srgb, var(--gold) 30%, transparent);
    stroke-width: 1.6;
}

.step-motif .motif-note,
.step-motif .home-motion-dot {
    fill: color-mix(in srgb, var(--panel-background) 82%, var(--gold));
    stroke: color-mix(in srgb, var(--teal) 76%, var(--gold));
    stroke-width: 3;
    transform-box: fill-box;
    transform-origin: center;
}

.step-motif .motif-root,
.step-motif .home-motion-dot-gold {
    fill: color-mix(in srgb, var(--gold) 74%, var(--panel-background));
    stroke: color-mix(in srgb, var(--gold) 84%, var(--teal));
}

.step-motif .motif-note-symbol {
    fill: color-mix(in srgb, var(--gold) 70%, var(--teal));
    opacity: 0.7;
}

.step-motif .motif-note-symbol-alt {
    fill: color-mix(in srgb, var(--teal) 72%, var(--gold));
}

.step-motif .motif-note-symbol-small {
    opacity: 0.52;
}

.step-motif .motif-roman rect {
    fill: color-mix(in srgb, var(--panel-background) 86%, transparent);
    stroke: color-mix(in srgb, var(--gold) 34%, transparent);
    stroke-width: 1.4;
}

.step-motif .motif-roman text {
    fill: color-mix(in srgb, var(--text) 72%, var(--teal));
    font: 800 13px/1 var(--font-sans);
    text-anchor: middle;
    dominant-baseline: middle;
}

.home-step-card[data-motion="groove"] .step-motif {
    width: 158px;
    height: 118px;
    color: color-mix(in srgb, var(--gold) 72%, var(--teal));
}

.home-step-card[data-motion="flip"] .step-motif {
    width: 142px;
    height: 112px;
    color: color-mix(in srgb, var(--teal) 64%, var(--gold));
}

.home-step-card[data-motion="map"] .step-motif {
    width: 146px;
    height: 110px;
    color: color-mix(in srgb, var(--teal) 74%, var(--gold));
}

.home-step-card[data-motion="scan"] .step-motif {
    width: 154px;
    height: 116px;
    color: color-mix(in srgb, var(--gold) 66%, var(--teal));
}

.home-step-card[data-motion="cascade"] .step-motif {
    width: 150px;
    height: 116px;
    color: color-mix(in srgb, var(--gold) 60%, var(--teal));
}

.home-step-card[data-motion="pulse"] .step-motif {
    width: 144px;
    height: 112px;
    color: color-mix(in srgb, var(--teal) 70%, var(--gold));
}

.home-step-track .home-step-card[data-motion] .step-motif {
    display: none;
}

html[data-theme="light"] .home-step-track .home-step-card {
    background:
        linear-gradient(135deg, rgba(255, 253, 249, 0.94), rgba(246, 240, 231, 0.82));
}

html[data-theme="light"] .home-step-track .home-step-card:hover,
html[data-theme="light"] .home-step-track .home-step-card:focus-visible {
    background:
        linear-gradient(135deg, rgba(255, 253, 249, 0.98), rgba(241, 232, 219, 0.9));
}

.home-step-card .home-step-word,
.home-step-card .home-step-char {
    display: inline-block;
    will-change: transform, opacity;
}

.home-step-card .home-step-word {
    white-space: nowrap;
}

.home-step-track .start-card strong {
    font-size: clamp(24px, 2.8vw, 34px);
    line-height: 1.08;
}

.home-step-track .start-card span:last-child {
    max-width: 340px;
    font-size: 16px;
}

.home-feature-band {
    padding: 42px 0;
    background: color-mix(in srgb, var(--panel-background) 68%, transparent);
    border-top: 1px solid var(--border-soft);
    border-bottom: 1px solid var(--border-soft);
}

.home-feature-inner {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(360px, 1.15fr);
    align-items: center;
    gap: 54px;
}

.home-feature-inner > div > p:last-child {
    margin-bottom: 0;
    color: var(--muted);
    line-height: 1.7;
}

.home-audio-player {
    margin: 0;
}

.home-video-player {
    padding: 12px;
}

.home-video-player iframe {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    min-height: 260px;
    border: 0;
    border-radius: 7px;
    background: #080808;
}

.home-release-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.home-release-card {
    position: relative;
    display: grid;
    grid-template-rows: auto 1fr;
    min-height: 360px;
    padding: 0;
    overflow: hidden;
    background: color-mix(in srgb, var(--panel-background) 92%, transparent);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    box-shadow: 0 14px 34px var(--shadow-color);
}

.home-release-card::before {
    display: none;
}

.release-cover-link {
    position: relative;
    display: block;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #0f0d0b;
    border-bottom: 1px solid var(--border-soft);
}

.release-cover-link::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, transparent 45%, rgba(0, 0, 0, 0.36)),
        linear-gradient(90deg, rgba(0, 0, 0, 0.08), transparent 62%);
    opacity: 0.78;
    pointer-events: none;
    transition: opacity 0.28s ease;
}

.release-cover-link img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.01);
    transition: transform 0.42s ease, filter 0.28s ease;
}

.home-release-card:hover .release-cover-link img {
    filter: saturate(1.08) contrast(1.02);
    transform: scale(1.055);
}

.home-release-card:hover .release-cover-link::after {
    opacity: 0.46;
}

.release-copy {
    display: grid;
    align-content: start;
    padding: 18px 20px 20px;
}

.release-note {
    margin: 9px 0 14px;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.6;
}

.home-release-card h3 {
    margin: 0;
    color: var(--text);
    font-size: 18px;
    line-height: 1.35;
}

.home-release-card .track-meta {
    margin-top: 0;
}

.release-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 18px;
}

.home-release-card .text-link {
    margin-top: 0;
}

.release-number {
    margin: 0 0 10px;
    color: var(--teal);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

html[data-language="zh-TW"] .home-release-card .release-number {
    display: none;
}

.text-link {
    color: var(--teal);
    font-weight: bold;
    text-underline-offset: 4px;
}

.text-link:hover {
    color: var(--gold-light);
}

.home-about {
    background: color-mix(in srgb, var(--panel-background) 46%, transparent);
    border-top: 1px solid var(--border-soft);
}

.home-about-layout {
    display: grid;
    grid-template-columns: minmax(240px, 340px) minmax(0, 1fr);
    align-items: center;
    gap: 64px;
}

.about-portrait {
    margin: 0;
}

.about-portrait img {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    object-position: center 25%;
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    box-shadow: 0 18px 42px var(--shadow-color);
}

.about-portrait figcaption {
    margin-top: 10px;
    color: var(--muted);
    font-size: 12px;
}

.about-copy {
    max-width: 820px;
}

.about-copy > p:not(.home-eyebrow) {
    color: var(--muted);
    line-height: 1.8;
    white-space: pre-line;
}

/* Adapted from Uiverse.io by satyamchaudharydev: Forms/satyamchaudharydev_cold-lionfish-49.html */
.home-subscribe-card {
    display: flex;
    align-items: stretch;
    justify-content: center;
    flex-direction: column;
    gap: 12px;
    width: min(100%, 440px);
    margin: 34px 0 0;
    padding: 22px;
    color: var(--text);
    text-align: center;
    background:
        radial-gradient(circle at top right, color-mix(in srgb, var(--teal) 10%, transparent), transparent 42%),
        color-mix(in srgb, var(--surface-raised) 92%, var(--gold-light) 8%);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    box-shadow: 0 18px 38px color-mix(in srgb, var(--shadow-color) 54%, transparent);
}

.home-subscribe-card > * {
    margin: 0;
}

.home-subscribe-title {
    color: var(--text);
    font-size: 23px;
    font-weight: 900;
    line-height: 1.15;
}

.home-subscribe-content {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.45;
}

.home-subscribe-form {
    display: flex;
    gap: 10px;
    margin-top: 8px;
}

.home-subscribe-form input {
    min-width: 0;
    flex: 1 1 auto;
    outline: 0;
    color: var(--text);
    background: color-mix(in srgb, var(--bg) 74%, var(--surface-raised) 26%);
    border: 1px solid color-mix(in srgb, var(--text) 44%, var(--border-soft));
    border-radius: 14px;
    box-shadow: transparent 0 0 0 1px inset;
    padding: 0.75em 0.9em;
    font: inherit;
    font-size: 14px;
    transition:
        border-color 0.22s ease,
        box-shadow 0.22s ease,
        background-color 0.22s ease;
}

.home-subscribe-form input::placeholder {
    color: color-mix(in srgb, var(--muted) 78%, transparent);
}

.home-subscribe-form input:focus {
    border-color: color-mix(in srgb, var(--teal) 72%, var(--gold-light));
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--teal) 14%, transparent);
}

.home-subscribe-honeypot {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.home-subscribe-button {
    flex: 0 0 auto;
    color: var(--primary-button-text);
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--gold) 84%, black 16%), color-mix(in srgb, var(--teal) 24%, var(--gold) 76%));
    border: 0;
    border-radius: 14px;
    box-shadow: 0 9px 18px color-mix(in srgb, var(--shadow-color) 50%, transparent);
    padding: 0.75em 1.1em;
    font: inherit;
    font-size: 14px;
    font-weight: 850;
    cursor: pointer;
    transition:
        opacity 0.2s ease,
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.home-subscribe-button:hover,
.home-subscribe-button:focus-visible {
    opacity: 0.88;
    box-shadow: 0 12px 22px color-mix(in srgb, var(--shadow-color) 60%, transparent);
    transform: translateY(-1px);
}

.home-subscribe-button:active {
    transform: translateY(0);
}

.home-subscribe-button:disabled {
    cursor: wait;
    opacity: 0.68;
    transform: none;
}

.home-subscribe-status {
    min-height: 1.45em;
    color: var(--teal);
    font-size: 12px;
    font-weight: 800;
    line-height: 1.45;
}

.about-connect {
    display: grid;
    grid-template-columns: 1fr;
    align-items: start;
    gap: 18px;
    margin-top: 42px;
    padding: 26px 28px;
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--teal) 8%, transparent), transparent 46%),
        color-mix(in srgb, var(--surface-raised) 72%, transparent);
    border: 1px solid var(--border-soft);
    border-left: 4px solid color-mix(in srgb, var(--teal) 70%, var(--gold-light));
    border-radius: 8px;
    box-shadow: 0 18px 38px color-mix(in srgb, var(--shadow-color) 58%, transparent);
}

.about-connect-copy {
    display: grid;
    gap: 9px;
    align-content: start;
    min-width: 0;
}

.about-connect-copy span {
    color: var(--teal);
    font-size: 12px;
    font-weight: 850;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.about-connect-copy strong {
    color: var(--text);
    font-size: clamp(19px, 1.55vw, 24px);
    line-height: 1.28;
}

.about-connect-copy p {
    max-width: 62ch;
    margin: 0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.6;
}

.about-connect-actions {
    display: grid;
    grid-template-columns: 1fr;
    align-items: start;
    justify-content: start;
    gap: 14px;
    width: 100%;
    min-width: 0;
    padding-top: 20px;
    border-top: 1px solid color-mix(in srgb, var(--border-soft) 72%, transparent);
}

.about-email-link {
    width: fit-content;
    max-width: 100%;
    color: var(--gold-light);
    font-size: clamp(14px, 1.05vw, 17px);
    font-weight: 850;
    line-height: 1.2;
    white-space: nowrap;
    text-underline-offset: 4px;
}

.about-email-link:hover {
    color: var(--teal);
}

.about-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
    margin-top: 0;
}

.about-connect .home-youtube-button {
    padding: 0.64em 1em;
    border-radius: 22px;
    font-size: 15px;
}

.about-connect .home-youtube-icon {
    width: 24px;
    height: 24px;
    margin-right: 0.35em;
}

.about-connect .home-youtube-icon svg {
    width: 15px;
    height: 15px;
}

.about-connect .home-contact-button {
    min-width: 132px;
    height: 38px;
    padding: 7px 13px;
    font-size: 13px;
}

.about-connect .home-contact-button::before {
    inset: 4px;
}

.about-connect .home-subscribe-card {
    width: 100%;
    margin: 0;
    padding: 20px 0 0;
    text-align: left;
    background: transparent;
    border: 0;
    border-top: 1px solid color-mix(in srgb, var(--border-soft) 72%, transparent);
    border-radius: 0;
    box-shadow: none;
}

.about-connect .home-subscribe-title {
    font-size: clamp(18px, 1.35vw, 22px);
}

.about-connect .home-subscribe-content {
    max-width: 48ch;
}

.about-connect .home-subscribe-form {
    display: grid;
    grid-template-columns: minmax(180px, 1fr) auto;
    margin-top: 4px;
}

.about-connect .home-subscribe-button {
    padding-inline: 1em;
}

.feedback-page {
    max-width: 980px;
    margin-top: clamp(96px, 8vw, 128px);
}

.home-feedback-button {
    min-width: 132px;
}

.home-feedback-button .home-contact-icon {
    position: relative;
    z-index: 3;
    inset: auto;
    margin: 0 8px 0 0;
    transform: scale(1.06);
}

.home-feedback-button .home-contact-icon::before {
    display: none;
}

.home-feedback-button .home-feedback-button-text {
    position: relative;
    z-index: 3;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

.home-feedback-button:hover .home-feedback-button-text,
.home-feedback-button:focus-visible .home-feedback-button-text {
    animation: none;
}

.home-feedback-button:hover .home-contact-icon,
.home-feedback-button:focus-visible .home-contact-icon {
    transform: translateX(1px) rotate(12deg) scale(1.06);
}

.feedback-panel {
    display: grid;
    gap: 24px;
    overflow: visible;
}

.feedback-panel::before {
    display: none;
}

.feedback-form {
    display: grid;
    gap: 20px;
}

.feedback-field {
    display: grid;
    gap: 8px;
}

.feedback-field label {
    color: var(--teal);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.feedback-field input,
.feedback-field textarea {
    box-sizing: border-box;
    width: 100%;
    min-width: 0;
    color: var(--control-text);
    background: var(--control-background);
    border: 1px solid var(--border-soft);
    padding: 0.95rem 1rem;
    font: inherit;
    line-height: 1.5;
    transition:
        background-color 0.18s ease,
        border-color 0.18s ease,
        box-shadow 0.18s ease;
}

.feedback-field input {
    border-radius: 999px;
}

.feedback-field textarea {
    resize: vertical;
    min-height: 180px;
    border-radius: 14px;
}

.feedback-field input::placeholder,
.feedback-field textarea::placeholder {
    color: var(--placeholder-text);
}

.feedback-field input:focus,
.feedback-field textarea:focus {
    color: var(--control-text);
    background: var(--control-hover-background);
    border-color: var(--teal);
    outline: 3px solid var(--focus-ring);
    outline-offset: 2px;
}

@media (hover: hover) and (pointer: fine) {
    .feedback-field input:not(:disabled):not([readonly]):not(:focus):hover,
    .feedback-field textarea:not(:disabled):not([readonly]):not(:focus):hover {
        background: var(--control-hover-background);
        border-color: var(--hover-border);
        box-shadow: 0 2px 10px color-mix(in srgb, var(--shadow-color) 36%, transparent);
    }
}

.feedback-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    justify-content: flex-end;
}

.feedback-actions .primary-button,
.feedback-actions .secondary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    flex: 0 0 148px;
    width: 148px;
    min-width: 148px;
    height: 48px;
    min-height: 48px;
    padding: 0;
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 900;
    line-height: 1;
    text-align: center;
}

.feedback-actions .primary-button::before,
.feedback-actions .secondary-button::before {
    border-radius: inherit;
}

.feedback-status {
    min-height: 1.45em;
    margin: 0;
    color: var(--teal);
    font-weight: 850;
}

.feedback-status[data-tone="error"] {
    color: #e7a2ac;
}

.feedback-status[data-tone="success"] {
    color: var(--teal);
}

/* Adapted from Uiverse.io by vikramsinghnegi: Buttons/vikramsinghnegi_massive-panda-81.html */
.uiverse-youtube-button,
.home-youtube-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8em 1.2em;
    color: white;
    background: linear-gradient(to bottom, #d9433d 0%, #b93631 100%);
    border: 0;
    border-radius: 25px;
    box-shadow: 0 5px 10px color-mix(in srgb, var(--shadow-color) 70%, transparent);
    font: inherit;
    font-size: 18px;
    font-weight: 800;
    text-decoration: none;
    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease,
        background-color 0.3s ease;
}

.uiverse-youtube-button:hover,
.uiverse-youtube-button:focus-visible,
.home-youtube-button:hover,
.home-youtube-button:focus-visible {
    color: white;
    box-shadow: 0 8px 15px color-mix(in srgb, var(--shadow-color) 84%, transparent);
    transform: translateY(-3px);
}

.uiverse-youtube-button:active,
.home-youtube-button:active {
    box-shadow: 0 2px 5px color-mix(in srgb, var(--shadow-color) 62%, transparent);
    transform: scale(0.95);
}

.uiverse-youtube-button > span:last-child,
.home-youtube-button > span:last-child {
    display: block;
    margin-left: 0.4em;
    transition: transform 0.3s ease;
}

.home-youtube-icon-shell {
    display: flex;
    align-items: center;
    justify-content: center;
}

.home-youtube-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    margin-right: 0.5em;
    color: white;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transition: background-color 0.3s ease;
}

.home-youtube-icon svg {
    display: block;
    width: 18px;
    height: 18px;
    fill: white;
    transition: transform 0.3s ease;
}

.uiverse-youtube-button:hover .home-youtube-icon,
.uiverse-youtube-button:focus-visible .home-youtube-icon,
.home-youtube-button:hover .home-youtube-icon,
.home-youtube-button:focus-visible .home-youtube-icon {
    background-color: rgba(255, 255, 255, 0.5);
}

.uiverse-youtube-button:hover svg,
.uiverse-youtube-button:focus-visible svg,
.home-youtube-button:hover svg,
.home-youtube-button:focus-visible svg {
    transform: rotate(45deg);
}

/* Adapted from Uiverse.io by marcelodolza: Buttons/marcelodolza_fat-zebra-11.html */
.uiverse-contact-button,
.home-contact-button {
    --contact-primary: var(--teal);
    --contact-neutral-1: color-mix(in srgb, var(--surface-raised) 88%, white 12%);
    --contact-neutral-2: color-mix(in srgb, var(--panel-background) 82%, var(--gold-light) 18%);
    --contact-radius: 999px;
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 176px;
    height: 48px;
    padding: 11px 18px;
    color: var(--text);
    background: transparent;
    border: 0;
    border-radius: var(--contact-radius);
    box-shadow:
        0 0.5px 0.5px 1px color-mix(in srgb, white 18%, transparent),
        0 10px 20px color-mix(in srgb, var(--shadow-color) 84%, transparent),
        0 4px 5px color-mix(in srgb, var(--shadow-color) 18%, transparent);
    font-size: 14px;
    font-weight: 800;
    text-decoration: none;
    text-shadow: 0 1px 1px color-mix(in srgb, var(--shadow-color) 60%, transparent);
    isolation: isolate;
    transition:
        transform 0.3s ease,
        box-shadow 0.28s ease,
        color 0.28s ease;
}

.uiverse-contact-button::before,
.uiverse-contact-button::after,
.home-contact-button::before,
.home-contact-button::after {
    content: "";
    position: absolute;
    pointer-events: none;
}

.uiverse-contact-button::before,
.home-contact-button::before {
    inset: 5px;
    z-index: 2;
    background: linear-gradient(to top, var(--contact-neutral-1), var(--contact-neutral-2));
    border-radius: 999px;
    filter: blur(0.5px);
}

.uiverse-contact-button::after,
.home-contact-button::after {
    inset: 0;
    z-index: 0;
    border: 2.5px solid transparent;
    border-radius: var(--contact-radius);
    background:
        linear-gradient(var(--contact-neutral-1), var(--contact-neutral-2)) padding-box,
        linear-gradient(
            to bottom,
            color-mix(in srgb, white 22%, transparent),
            color-mix(in srgb, var(--gold) 56%, black 24%)
        ) border-box;
    transition:
        transform 0.36s ease,
        box-shadow 0.36s ease;
}

.home-contact-outline {
    position: absolute;
    inset: -2px -3.5px;
    z-index: 1;
    overflow: hidden;
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.36s ease;
}

.home-contact-outline::before {
    content: "";
    position: absolute;
    inset: -100%;
    background: conic-gradient(
        from 180deg,
        transparent 60%,
        color-mix(in srgb, var(--gold-light) 80%, white 20%) 80%,
        transparent 100%
    );
    animation: homeContactSpin 2.2s linear infinite;
    animation-play-state: paused;
}

.home-contact-state {
    position: relative;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-left: 25px;
}

.home-contact-icon {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: auto;
    color: var(--contact-primary);
    transform: scale(1.12);
    transition:
        opacity 0.3s ease,
        transform 0.3s ease,
        filter 0.3s ease;
}

.home-contact-icon::before {
    content: "";
    position: absolute;
    top: 50%;
    left: -5px;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, transparent, color-mix(in srgb, var(--text) 42%, transparent));
}

.home-contact-icon svg {
    display: block;
    width: 1em;
    height: 1em;
    overflow: visible;
    animation: homeContactLand 0.6s ease forwards;
}

.home-contact-text {
    display: inline-flex;
    align-items: center;
}

.home-contact-text span {
    display: block;
    opacity: 1;
    animation: none;
}

.home-contact-state--default .home-contact-text span:nth-child(4) {
    margin-right: 5px;
}

.home-contact-state--sent {
    display: none;
}

.home-contact-state--sent .home-contact-icon {
    color: var(--contact-primary);
}

.home-contact-state--sent svg {
    margin-right: 6px;
    transform: scale(1.12);
}

.uiverse-contact-button:hover,
.uiverse-contact-button:focus-visible,
.home-contact-button:hover,
.home-contact-button:focus-visible {
    color: var(--text);
    box-shadow:
        0 0 1px 2px color-mix(in srgb, white 24%, transparent),
        0 15px 30px color-mix(in srgb, var(--shadow-color) 92%, transparent),
        0 10px 3px -3px color-mix(in srgb, var(--shadow-color) 22%, transparent);
    transform: scale(1.02);
}

.uiverse-contact-button:hover::after,
.uiverse-contact-button:focus-visible::after,
.home-contact-button:hover::after,
.home-contact-button:focus-visible::after {
    box-shadow: inset 0 -1px 3px color-mix(in srgb, white 72%, transparent);
    transform: scale(1.05, 1.1);
}

.uiverse-contact-button:hover .home-contact-outline,
.uiverse-contact-button:focus-visible .home-contact-outline,
.home-contact-button:hover .home-contact-outline,
.home-contact-button:focus-visible .home-contact-outline {
    opacity: 1;
}

.uiverse-contact-button:hover .home-contact-outline::before,
.uiverse-contact-button:focus-visible .home-contact-outline::before,
.home-contact-button:hover .home-contact-outline::before,
.home-contact-button:focus-visible .home-contact-outline::before {
    animation-play-state: running;
}

.uiverse-contact-button:hover .home-contact-icon,
.uiverse-contact-button:focus-visible .home-contact-icon,
.home-contact-button:hover .home-contact-icon,
.home-contact-button:focus-visible .home-contact-icon {
    transform: rotate(45deg) scale(1.12);
}

.uiverse-contact-button:hover .home-contact-text span,
.uiverse-contact-button:focus-visible .home-contact-text span,
.home-contact-button:hover .home-contact-text span,
.home-contact-button:focus-visible .home-contact-text span {
    opacity: 1;
    animation: none;
    color: inherit;
    transform: none;
}

.uiverse-contact-button:active,
.home-contact-button:active {
    transform: scale(1);
    box-shadow:
        0 0 1px 2px color-mix(in srgb, white 24%, transparent),
        0 10px 3px -3px color-mix(in srgb, var(--shadow-color) 76%, transparent);
}

.uiverse-contact-button:focus .home-contact-state--default,
.home-contact-button:focus .home-contact-state--default {
    position: relative;
}

.uiverse-contact-button:focus .home-contact-state--default .home-contact-text span,
.home-contact-button:focus .home-contact-state--default .home-contact-text span {
    animation: none;
    opacity: 1;
}

.uiverse-contact-button:focus .home-contact-state--default .home-contact-icon,
.home-contact-button:focus .home-contact-state--default .home-contact-icon {
    transform: rotate(0) scale(1.12);
}

.uiverse-contact-button:focus .home-contact-state--default .home-contact-icon svg,
.home-contact-button:focus .home-contact-state--default .home-contact-icon svg {
    animation: none;
}

.uiverse-contact-button:focus .home-contact-state--default .home-contact-icon::before,
.home-contact-button:focus .home-contact-state--default .home-contact-icon::before {
    animation: none;
    opacity: 0;
    width: 0;
}

.uiverse-contact-button:focus .home-contact-state--sent,
.home-contact-button:focus .home-contact-state--sent {
    display: none;
}

.uiverse-contact-button:focus .home-contact-state--sent .home-contact-text span,
.home-contact-button:focus .home-contact-state--sent .home-contact-text span {
    animation: none;
    opacity: 1;
}

.uiverse-contact-button:focus .home-contact-state--sent .home-contact-icon svg,
.home-contact-button:focus .home-contact-state--sent .home-contact-icon svg {
    animation: none;
    opacity: 1;
}

@media (max-width: 680px) {
    .home-about-layout {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .about-copy {
        max-width: none;
    }

    .about-connect {
        grid-template-columns: 1fr;
        align-items: stretch;
        gap: 18px;
        margin-top: 30px;
        padding: 18px;
    }

    .about-connect-actions {
        grid-template-columns: 1fr;
        width: 100%;
        justify-content: flex-start;
    }

    .about-links {
        justify-content: flex-start;
    }

    .home-subscribe-card {
        width: 100%;
    }
}

@media (max-width: 430px) {
    .home-subscribe-card {
        padding: 18px;
        text-align: left;
    }

    .home-subscribe-form {
        flex-direction: column;
    }

    .about-connect .home-subscribe-form {
        grid-template-columns: 1fr;
    }

    .home-subscribe-button {
        width: 100%;
    }

    .uiverse-youtube-button,
    .home-youtube-button {
        width: 100%;
        max-width: 260px;
        font-size: 15px;
    }

    .uiverse-contact-button,
    .home-contact-button {
        min-width: 162px;
    }

    .about-connect .about-links {
        gap: 8px;
    }

    .about-connect .home-youtube-button {
        width: auto;
        max-width: none;
        padding: 0.58em 0.82em;
        font-size: 12px;
    }

    .about-connect .home-feedback-button {
        width: auto;
        min-height: 38px;
        padding: 0.58em 0.82em;
        font-size: 12px;
    }

    .about-connect .home-youtube-icon {
        width: 21px;
        height: 21px;
    }

    .about-connect .home-contact-button {
        width: auto;
        max-width: none;
        min-width: 132px;
        height: 38px;
        padding: 8px 12px;
        font-size: 12px;
    }
}

@keyframes homeContactSpin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes homeContactWave {
    30% {
        opacity: 1;
        transform: translateY(4px);
    }

    50% {
        color: var(--contact-primary);
        opacity: 1;
        transform: translateY(-3px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes homeContactSlideDown {
    0% {
        color: var(--contact-primary);
        filter: blur(5px);
        opacity: 0;
        transform: translateY(-20px) translateX(5px) rotate(-90deg);
    }

    30% {
        filter: blur(0);
        opacity: 1;
        transform: translateY(4px);
    }

    50% {
        opacity: 1;
        transform: translateY(-3px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes homeContactTakeOff {
    0% {
        opacity: 1;
    }

    60% {
        opacity: 1;
        transform: translateX(70px) rotate(45deg) scale(2);
    }

    100% {
        opacity: 0;
        transform: translateX(160px) rotate(45deg) scale(0);
    }
}

@keyframes homeContactLand {
    0% {
        filter: blur(3px);
        opacity: 0;
        transform: translateX(-60px) translateY(30px) rotate(-50deg) scale(2);
    }

    100% {
        filter: blur(0);
        opacity: 1;
        transform: translateX(0) translateY(0) rotate(0);
    }
}

@keyframes homeContactContrail {
    0% {
        opacity: 1;
        width: 0;
    }

    8% {
        width: 15px;
    }

    60% {
        opacity: 0.7;
        width: 80px;
    }

    100% {
        opacity: 0;
        width: 160px;
    }
}

@keyframes homeContactDisappear {
    from {
        opacity: 1;
    }

    to {
        color: var(--contact-primary);
        filter: blur(5px);
        opacity: 0;
        transform: translateX(5px) translateY(20px);
    }
}

@keyframes homeContactAppear {
    0% {
        color: var(--contact-primary);
        filter: blur(4px);
        opacity: 0;
        transform: scale(4) rotate(-40deg);
    }

    30% {
        filter: blur(1px);
        opacity: 1;
        transform: scale(0.6);
    }

    50% {
        filter: blur(0);
        opacity: 1;
        transform: scale(1.2);
    }

    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@media (prefers-reduced-motion: reduce) {
    .uiverse-youtube-button,
    .uiverse-youtube-button *,
    .home-youtube-button,
    .home-youtube-button *,
    .uiverse-contact-button,
    .uiverse-contact-button::before,
    .uiverse-contact-button::after,
    .home-contact-button,
    .home-contact-button::before,
    .home-contact-button::after,
    .home-contact-outline,
    .home-contact-outline::before,
    .home-contact-icon,
    .home-contact-icon::before,
    .home-contact-icon svg,
    .home-contact-text span {
        animation: none;
        transition: none;
    }

    .uiverse-youtube-button:hover,
    .uiverse-youtube-button:focus-visible,
    .uiverse-youtube-button:hover svg,
    .uiverse-youtube-button:focus-visible svg,
    .home-youtube-button:hover,
    .home-youtube-button:focus-visible,
    .home-youtube-button:hover svg,
    .home-youtube-button:focus-visible svg,
    .uiverse-contact-button:hover,
    .uiverse-contact-button:focus-visible,
    .uiverse-contact-button:hover::after,
    .uiverse-contact-button:focus-visible::after,
    .uiverse-contact-button:hover .home-contact-icon,
    .uiverse-contact-button:focus-visible .home-contact-icon,
    .home-contact-button:hover,
    .home-contact-button:focus-visible,
    .home-contact-button:hover::after,
    .home-contact-button:focus-visible::after,
    .home-contact-button:hover .home-contact-icon,
    .home-contact-button:focus-visible .home-contact-icon {
        transform: none;
    }

    .home-contact-text span {
        opacity: 1;
    }

    .home-contact-state--sent {
        display: none;
    }
}

@media (max-width: 1180px) {
    html,
    body {
        overflow-x: hidden;
        overflow-x: clip;
    }

    body.nav-drawer-open {
        overflow: hidden;
    }

    .navbar {
        display: grid;
        grid-template-columns: 54px minmax(0, 1fr) 54px;
        align-items: center;
        gap: 8px;
        padding: 16px clamp(18px, 4vw, 32px);
    }

    .navbar::before {
        content: "";
        position: fixed;
        inset: 0;
        z-index: 118;
        background: rgba(8, 8, 8, 0.58);
        backdrop-filter: blur(2px);
        -webkit-backdrop-filter: blur(2px);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: opacity 0.24s ease, visibility 0s linear 0.24s;
    }

    .navbar.menu-open::before {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transition-delay: 0s;
    }

    .logo {
        grid-column: 2;
        justify-self: center;
        max-width: 100%;
        text-align: center;
        font-size: clamp(26px, 5.2vw, 36px);
        line-height: 1.1;
        overflow-wrap: anywhere;
    }

    .nav-menu-button {
        grid-column: 3;
        justify-self: end;
        display: grid;
        width: 54px;
        height: 54px;
        z-index: 140;
    }

    .navbar.menu-open .nav-menu-button span:nth-child(1) {
        transform: translate(-50%, -50%) rotate(45deg);
    }

    .navbar.menu-open .nav-menu-button span:nth-child(2) {
        opacity: 0;
        transform: translate(-50%, -50%) scaleX(0);
    }

    .navbar.menu-open .nav-menu-button span:nth-child(3) {
        transform: translate(-50%, -50%) rotate(-45deg);
    }

    .nav-links {
        display: grid;
        align-content: start;
        justify-items: end;
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        z-index: 130;
        width: min(420px, 66.666vw);
        height: 100dvh;
        gap: 10px;
        overflow-y: auto;
        overscroll-behavior: contain;
        padding: max(92px, calc(env(safe-area-inset-top) + 78px)) clamp(22px, 6vw, 38px) max(28px, env(safe-area-inset-bottom));
        margin: 0;
        background:
            linear-gradient(135deg, rgba(28, 28, 27, 0.98), rgba(21, 20, 19, 0.98));
        border-left: 1px solid var(--border-soft);
        box-shadow: -22px 0 52px color-mix(in srgb, var(--shadow-color) 92%, transparent);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateX(104%);
        transition:
            opacity 0.18s ease,
            transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1),
            visibility 0s linear 0.3s;
    }

    .navbar.menu-open .nav-links {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateX(0);
        transition-delay: 0s;
    }

    html[data-theme="light"] .navbar::before {
        background: rgba(247, 244, 239, 0.66);
    }

    html[data-theme="light"] .nav-links {
        background:
            linear-gradient(135deg, color-mix(in srgb, var(--panel-background) 98%, var(--surface) 2%), color-mix(in srgb, var(--surface-soft) 88%, var(--panel-background) 12%));
    }

    .nav-links > li {
        display: flex;
        justify-content: flex-end;
        width: 100%;
        opacity: 0;
        transform: translateX(16px);
        transition: opacity 0.16s ease, transform 0.16s ease;
    }

    .navbar.menu-open .nav-links > li {
        opacity: 1;
        transform: translateX(0);
    }

    .navbar.menu-open .nav-links > li:nth-child(1) {
        transition-delay: 0.09s;
    }

    .navbar.menu-open .nav-links > li:nth-child(2) {
        transition-delay: 0.115s;
    }

    .navbar.menu-open .nav-links > li:nth-child(3) {
        transition-delay: 0.14s;
    }

    .navbar.menu-open .nav-links > li:nth-child(4) {
        transition-delay: 0.165s;
    }

    .navbar.menu-open .nav-links > li:nth-child(5) {
        transition-delay: 0.19s;
    }

    .navbar.menu-open .nav-links > li:nth-child(6) {
        transition-delay: 0.215s;
    }

    .navbar.menu-open .nav-links > li:nth-child(7) {
        transition-delay: 0.24s;
    }

    .navbar.menu-open .nav-links > li:nth-child(8) {
        transition-delay: 0.265s;
    }

    .navbar.menu-open .nav-links > li:nth-child(9) {
        transition-delay: 0.29s;
    }

    .navbar.menu-open .nav-links > li:nth-child(10) {
        transition-delay: 0.315s;
    }

    .navbar.menu-open .nav-links > li:nth-child(11) {
        transition-delay: 0.34s;
    }

    .nav-links li,
    .nav-links a,
    .nav-dropdown,
    .nav-dropdown details,
    .nav-dropdown summary,
    .theme-toggle {
        width: 100%;
    }

    .nav-theme-item {
        display: grid;
        grid-template-columns: minmax(0, auto) 46px 46px;
        align-items: center;
        justify-content: end;
        gap: 12px;
        align-self: end;
        margin-top: auto;
        padding-top: 18px;
        border-top: 1px solid color-mix(in srgb, var(--border-soft) 72%, transparent);
    }

    .nav-appearance-label {
        display: block;
        color: var(--text);
        font-size: 16px;
        font-weight: bold;
        letter-spacing: 0;
        line-height: 1.35;
        text-align: right;
        text-transform: uppercase;
    }

    .nav-language-item {
        justify-content: flex-end;
    }

    .language-switch-button {
        width: 46px;
        height: 46px;
        min-width: 46px;
        min-height: 46px;
        margin-left: auto;
    }

    .nav-links a,
    .nav-dropdown summary,
    .theme-toggle {
        box-sizing: border-box;
        display: inline-flex;
        justify-content: flex-end;
        align-items: center;
        min-height: 50px;
        padding: 7px 0 7px 18px;
        border-radius: 999px;
        text-align: right;
        line-height: 1.35;
    }

    .nav-language-toggle {
        width: 46px;
        height: 46px;
        min-width: 46px;
        min-height: 46px;
        padding: 7px;
        margin-left: auto;
    }

    .nav-dropdown summary {
        gap: 10px;
    }

    .nav-dropdown summary::before {
        order: 0;
        margin-left: 0;
        margin-right: auto;
        transform: rotate(135deg) translate(-1px, -1px);
    }

    .nav-dropdown details[open] > summary::before {
        transform: rotate(225deg) translate(-1px, -1px);
    }

    .nav-submenu {
        position: static;
        justify-items: end;
        min-width: 0;
        width: 100%;
        margin: 2px 0 4px;
        padding: 0;
        background: transparent;
        border: 0;
        box-shadow: none;
        opacity: 1;
        pointer-events: auto;
        transform: none;
    }

    .nav-submenu::before {
        content: none;
    }

    .nav-submenu a {
        padding: 8px 0 8px 18px;
        text-align: right;
        white-space: normal;
    }

    .nav-theme-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 46px;
        height: 46px;
        min-width: 46px;
        min-height: 46px;
        padding: 7px;
        border-radius: 999px;
        transform: none;
    }

    .nav-theme-toggle .theme-toggle-label {
        display: none;
    }

    .nav-theme-toggle .theme-toggle-switch {
        flex: 0 0 auto;
    }

    .nav-links a.active::after {
        left: auto;
        right: 0;
        bottom: 2px;
        width: 52px;
        transform: none;
    }

    @media (prefers-reduced-motion: reduce) {
        .nav-links,
        .nav-links > li,
        .nav-menu-button span {
            transition: none;
        }
    }

    .key-finder-status-row,
    .selected-key-heading {
        align-items: stretch;
        flex-direction: column;
    }

    .segmented-control {
        width: 100%;
    }

    .result-actions,
    .progression-card-actions {
        display: grid;
        grid-template-columns: 1fr;
        width: 100%;
    }

    .result-actions a,
    .progression-card-actions button {
        width: 100%;
        box-sizing: border-box;
        text-align: center;
    }

    .inline-track-player iframe {
        min-height: 210px;
    }

    .status-page {
        justify-items: stretch;
    }

    .status-page h1 {
        font-size: 38px;
    }

    .status-page-actions {
        display: grid;
        grid-template-columns: 1fr;
    }

    .status-page-actions a,
    .status-page-actions button {
        width: 100%;
        text-align: center;
    }

    .home-section-inner,
    .home-feature-inner {
        width: min(100% - 40px, 1120px);
    }

    .home-hero {
        padding: 48px 0 38px;
    }

    .home-hero .home-section-inner {
        margin: 0 auto;
        text-align: center;
    }

    .home-eyebrow {
        max-width: 100%;
        text-align: center;
        line-height: 1.6;
    }

    .home-hero h1 {
        max-width: 100%;
        margin-right: auto;
        margin-left: auto;
        font-size: clamp(42px, 12vw, 58px);
        line-height: 0.98;
    }

    .home-hero .signature-slogan {
        max-width: 34rem;
        margin-right: auto;
        margin-left: auto;
    }

    .home-jam-mark {
        top: 58px;
        left: 50%;
        width: min(520px, 92vw);
        transform: translateX(-50%);
    }

    .home-jam-mark-text {
        font-size: 176px;
    }

    .home-lead {
        max-width: 34rem;
        margin-right: auto;
        margin-left: auto;
        font-size: 16px;
    }

    .hero-actions {
        justify-content: center;
    }

    .home-metrics {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 0;
        max-width: 560px;
        margin-right: auto;
        margin-left: auto;
        text-align: center;
    }

    .home-metrics div,
    .home-metrics div:first-child {
        padding: 0 10px;
        border-right: 1px solid var(--border-soft);
    }

    .home-metrics div:last-child {
        border-right: 0;
    }

    .home-metrics dt {
        font-size: 30px;
    }

    .home-metrics dd {
        font-size: 12px;
        line-height: 1.35;
    }

    .home-tools,
    .home-releases,
    .home-about {
        padding: 46px 0;
    }

    .home-section-heading h2,
    .home-feature-band h2,
    .about-copy h2 {
        font-size: 28px;
    }

    .home-section-heading-row {
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
    }

    .home-release-grid,
    .home-feature-inner,
    .home-about-layout {
        grid-template-columns: 1fr;
    }

    .home-step-track .start-card {
        flex-basis: min(78vw, 300px);
        min-height: 230px;
    }

    .home-step-card:hover,
    .home-step-card:focus-visible {
        flex-basis: min(88vw, 340px);
    }

    .home-feature-inner {
        gap: 24px;
    }

    .home-about-layout {
        gap: 30px;
    }

    .about-portrait {
        max-width: 320px;
    }
}

@media (max-width: 430px) {
    .home-section-inner,
    .home-feature-inner {
        width: min(100% - 30px, 1120px);
    }

    .home-hero {
        padding: 42px 0 34px;
    }

    .home-hero h1 {
        font-size: clamp(38px, 13vw, 50px);
    }

    .home-hero .signature-slogan {
        font-size: clamp(24px, 7vw, 32px);
        line-height: 1.15;
    }

    .home-jam-mark {
        top: 62px;
        width: min(430px, 96vw);
    }

    .home-jam-mark-text {
        font-size: 154px;
    }

    .hero-actions {
        display: grid;
        grid-template-columns: 1fr;
        width: min(100%, 300px);
        margin-right: auto;
        margin-left: auto;
    }

    .hero-actions a {
        box-sizing: border-box;
        width: 100%;
    }

    .home-metrics div,
    .home-metrics div:first-child {
        padding: 0 6px;
    }

    .home-metrics dt {
        font-size: 26px;
    }

    .home-metrics dd {
        font-size: 11px;
    }
}

@media (max-width: 340px) {
    .home-metrics {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .home-metrics div,
    .home-metrics div:first-child {
        padding: 0;
        border-right: 0;
    }
}