:root {
    font-family: "Helvetica Neue", Arial, sans-serif;
    color-scheme: light;
    --page-bg: #f5f6f7;
    --surface: #fff;
    --surface-muted: #f0f3f4;
    --border: #e8eaed;
    --border-strong: #e1e5e8;
    --text: #20252b;
    --text-strong: #282e34;
    --text-muted: #737b84;
    --accent: #397d81;
    --accent-strong: color-mix(in srgb, var(--accent), #000 38%);
    --accent-soft: #e7f2f2;
    --accent-hover: #eaf4f3;
    color: var(--text);
    background: var(--page-bg);
}

:root[data-theme="dark"] {
    color-scheme: dark;
    --page-bg: #171a1d;
    --surface: #22272b;
    --surface-muted: #30373b;
    --border: #3b4449;
    --border-strong: #505b61;
    --text: #e6eaec;
    --text-strong: #f0f2f3;
    --text-muted: #a3adb3;
    --accent-strong: var(--accent);
    --accent-soft: color-mix(in srgb, var(--accent), transparent 82%);
    --accent-hover: color-mix(in srgb, var(--accent), transparent 75%);
}

* {
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    margin: 0;
    padding-bottom: 100px;
    background: var(--page-bg);
}

.site-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    max-width: 680px;
    margin: 0 auto;
    padding: 36px 20px 16px;
}

.site-heading h1 {
    margin: 0;
    font-size: clamp(1.7rem, 4vw, 2rem);
    font-weight: 700;
    letter-spacing: -0.04em;
}

.site-heading p {
    margin: 4px 0 0;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.appearance-settings {
    position: relative;
    flex: 0 0 auto;
}

.appearance-settings > summary {
    padding: 8px 11px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
    color: var(--text-strong);
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 600;
    list-style: none;
}

.appearance-settings > summary::-webkit-details-marker {
    display: none;
}

.appearance-settings > summary::before {
    content: "◐";
    margin-right: 7px;
    color: var(--accent);
}

.appearance-form {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    z-index: 10;
    display: grid;
    grid-template-columns: minmax(100px, 1fr) auto;
    align-items: center;
    gap: 10px 14px;
    width: min(310px, calc(100vw - 32px));
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface);
    box-shadow: 0 8px 28px rgb(0 0 0 / 16%);
}

.appearance-form label {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.appearance-form select,
.appearance-form input,
.appearance-form button {
    min-height: 34px;
    border: 1px solid var(--border-strong);
    border-radius: 6px;
    background: var(--surface);
    color: var(--text);
    font: inherit;
    font-size: 0.78rem;
}

.appearance-form select {
    padding: 0 8px;
}

.appearance-form input[type="color"] {
    width: 52px;
    padding: 3px;
    cursor: pointer;
}

.appearance-form button {
    grid-column: 1 / -1;
    padding: 0 9px;
    cursor: pointer;
}

.appearance-form button:hover {
    background: var(--accent-hover);
}

.appearance-status {
    grid-column: 1 / -1;
    color: var(--text-muted);
    font-size: 0.72rem;
}

.submission-panel,
.admin-panel {
    max-width: 680px;
    margin: 0 auto;
    padding: 0 20px 10px;
}

.submission-details,
.admin-panel {
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface);
}

.submission-details > summary,
.admin-panel > summary {
    padding: 11px 13px;
    color: var(--text-strong);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
}

.submission-form {
    display: grid;
    gap: 8px;
    padding: 0 13px 12px;
}

.submission-form > label:not(.submission-rights),
.admin-login label {
    color: var(--text-muted);
    font-size: 0.76rem;
    font-weight: 600;
}

.submission-form input[type="text"],
.submission-form input[type="file"],
.admin-login input {
    width: 100%;
    min-height: 36px;
    padding: 7px 9px;
    border: 1px solid var(--border-strong);
    border-radius: 7px;
    background: var(--surface);
    color: var(--text);
    font: inherit;
    font-size: 0.8rem;
}

.submission-rights {
    display: flex;
    align-items: flex-start;
    gap: 7px;
    margin: 3px 0;
    color: var(--text-muted);
    font-size: 0.78rem;
    line-height: 1.5;
}

.submission-rights input {
    flex: 0 0 auto;
    margin: 3px 0 0;
    accent-color: var(--accent);
}

.turnstile-widget {
    min-height: 0;
    overflow-x: auto;
}

.submission-submit,
.admin-login button,
.pending-actions button {
    min-height: 34px;
    padding: 0 11px;
    border: 0;
    border-radius: 7px;
    background: var(--accent-soft);
    color: var(--accent-strong);
    cursor: pointer;
    font: inherit;
    font-size: 0.78rem;
    font-weight: 600;
}

.submission-submit {
    justify-self: start;
}

.submission-submit:disabled,
.admin-login button:disabled,
.pending-actions button:disabled {
    cursor: default;
    opacity: 0.5;
}

.submission-status,
.admin-status {
    min-height: 1em;
    margin: 0;
    padding: 0 13px 10px;
    color: var(--accent-strong);
    font-size: 0.75rem;
}

.admin-panel {
    margin-bottom: 22px;
}

.admin-login {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 8px;
    padding: 0 13px 10px;
}

.admin-login button {
    justify-self: start;
}

.admin-login button[hidden] {
    display: none;
}

.pending-submissions {
    display: grid;
    gap: 8px;
    padding: 0 13px 13px;
}

.pending-submission {
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 8px;
}

.pending-submission h3 {
    margin: 0;
    color: var(--text-strong);
    font-size: 0.85rem;
}

.pending-submission p {
    margin: 4px 0 8px;
    color: var(--text-muted);
    font-size: 0.72rem;
}

.pending-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.pending-actions button {
    min-height: 30px;
    padding: 0 9px;
    font-size: 0.72rem;
}

.pending-preview {
    display: block;
    width: 100%;
    margin-top: 9px;
}

.playlist-manager {
    max-width: 680px;
    margin: 0 auto;
    padding: 0 20px 8px;
}

.playlist-manager[hidden],
.player-bar[hidden] {
    display: none;
}

.playlist-toolbar {
    display: flex;
    align-items: center;
    gap: 7px;
}

.playlist-label,
.playlist-name-label {
    color: var(--text-muted);
    font-size: 0.78rem;
    font-weight: 600;
}

.playlist-toolbar select,
.playlist-toolbar button,
.playlist-form input[type="text"],
.playlist-form-actions button {
    min-height: 34px;
    border: 1px solid var(--border-strong);
    border-radius: 7px;
    background: var(--surface);
    color: var(--text);
    font: inherit;
    font-size: 0.78rem;
}

.playlist-toolbar select {
    min-width: 100px;
    flex: 1;
    padding: 0 8px;
}

.playlist-toolbar button,
.playlist-form-actions button {
    padding: 0 10px;
    cursor: pointer;
}

.playlist-toolbar button:hover:not(:disabled),
.playlist-form-actions button:hover {
    background: var(--accent-hover);
}

.playlist-toolbar button:disabled {
    cursor: default;
    opacity: 0.45;
}

.playlist-form {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 10px;
    margin-top: 10px;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface);
}

.playlist-form[hidden] {
    display: none;
}

.playlist-form input[type="text"] {
    width: 100%;
    padding: 0 9px;
}

.playlist-form fieldset {
    display: flex;
    grid-column: 1 / -1;
    flex-wrap: wrap;
    gap: 6px 12px;
    margin: 0;
    padding: 8px 10px 10px;
    border: 1px solid var(--border);
    border-radius: 7px;
}

.playlist-form legend {
    padding: 0 4px;
    color: var(--text-muted);
    font-size: 0.72rem;
}

.playlist-track-option {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--text);
    font-size: 0.78rem;
}

.playlist-track-option input {
    accent-color: var(--accent);
}

.playlist-form-actions {
    display: flex;
    grid-column: 1 / -1;
    justify-content: flex-end;
    gap: 7px;
}

.playlist-status {
    min-height: 1em;
    margin: 5px 0 0;
    color: var(--accent-strong);
    font-size: 0.72rem;
}

.music-list {
    display: grid;
    gap: 6px;
    max-width: 680px;
    margin: 0 auto;
    padding: 4px 20px 32px;
}

.music-card {
    display: grid;
    grid-template-columns: 40px minmax(0, 1fr) 32px;
    align-items: center;
    gap: 10px;
    min-height: 56px;
    padding: 6px 9px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface);
    cursor: pointer;
    transition: border-color 160ms ease, background-color 160ms ease;
}

.music-card:hover {
    border-color: var(--border-strong);
    background: var(--surface);
}

.music-card audio {
    display: none;
}

.music-image {
    display: flex;
    grid-column: 1;
    grid-row: 1;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    border-radius: 7px;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 20px;
}

.song-title {
    grid-column: 2;
    grid-row: 1;
    overflow: hidden;
    color: var(--text-strong);
    font-size: 0.875rem;
    font-weight: 600;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.overlay {
    display: flex;
    grid-column: 3;
    grid-row: 1;
    width: 32px;
    height: 32px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--surface-muted);
    color: var(--text-muted);
    transition: background-color 160ms ease, color 160ms ease;
}

.music-card:hover .overlay {
    background: var(--accent-hover);
    color: var(--accent-strong);
}

.play-button {
    font-size: 12px;
    font-weight: 700;
    text-indent: 2px;
}

.player-bar {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 5;
    display: grid;
    grid-template-columns: minmax(140px, 0.8fr) minmax(0, 2fr);
    align-items: center;
    gap: 18px;
    min-height: 72px;
    padding: 10px max(18px, calc((100vw - 1100px) / 2));
    border-top: 1px solid var(--border);
    background: color-mix(in srgb, var(--surface), transparent 3%);
    box-shadow: 0 -4px 16px rgb(0 0 0 / 8%);
}

.player-track {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 10px;
}

.player-note {
    display: flex;
    width: 36px;
    height: 36px;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    border-radius: 7px;
    background: var(--accent-soft);
    color: var(--accent);
}

.player-title {
    overflow: hidden;
    color: var(--text-strong);
    font-size: 0.82rem;
    font-weight: 600;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.player-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.player-play,
.player-loop,
.player-shuffle {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 7px;
    background: var(--surface-muted);
    color: var(--text);
    cursor: pointer;
}

.player-play {
    width: 34px;
    height: 34px;
    font-size: 13px;
}

.player-loop,
.player-shuffle {
    min-height: 30px;
    padding: 0 9px;
    font-size: 0.72rem;
}

.player-loop[aria-pressed="true"] {
    background: var(--accent-soft);
    color: var(--accent-strong);
}

.player-shuffle[aria-pressed="true"] {
    background: var(--accent-soft);
    color: var(--accent-strong);
}

.player-play:hover:not(:disabled),
.player-loop:hover,
.player-shuffle:hover {
    background: var(--accent-hover);
}

.player-play:disabled {
    cursor: default;
    opacity: 0.45;
}

.player-play:focus-visible,
.player-loop:focus-visible,
.player-shuffle:focus-visible,
.player-seek:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

.player-time {
    color: var(--text-muted);
    font-size: 0.7rem;
    font-variant-numeric: tabular-nums;
}

.player-seek {
    width: 100%;
    min-width: 40px;
    height: 4px;
    accent-color: var(--accent);
    cursor: pointer;
}

.player-seek:disabled {
    cursor: default;
}

.player-volume-label {
    color: var(--text-muted);
    font-size: 0.72rem;
}

.player-volume {
    width: 76px;
    height: 4px;
    accent-color: var(--accent);
    cursor: pointer;
}

@media (max-width: 760px) {
    body {
        padding-bottom: 120px;
    }

    .player-bar {
        grid-template-columns: minmax(0, 1fr);
        gap: 7px;
        padding: 8px 14px 9px;
    }

    .player-controls {
        display: grid;
        grid-template-columns: 30px auto minmax(40px, 1fr) auto auto auto;
        gap: 7px;
    }

    .player-play {
        grid-column: 1;
        grid-row: 1;
        width: 30px;
        height: 30px;
    }

    .player-controls .player-time:first-of-type {
        grid-column: 2;
        grid-row: 1;
    }

    .player-seek {
        grid-column: 3;
        grid-row: 1;
    }

    .player-controls .player-time:nth-of-type(2) {
        grid-column: 4;
        grid-row: 1;
    }

    .player-loop {
        grid-column: 5;
        grid-row: 1;
    }

    .player-shuffle {
        grid-column: 6;
        grid-row: 1;
    }

    .player-volume-label {
        grid-column: 2;
        grid-row: 2;
    }

    .player-volume {
        grid-column: 3 / 7;
        grid-row: 2;
        width: 100%;
    }
}

@media (max-width: 520px) {
    .site-header {
        padding: 28px 16px 12px;
    }

    .submission-panel,
    .admin-panel {
        margin-right: 12px;
        margin-left: 12px;
        padding-right: 0;
        padding-left: 0;
    }

    .admin-login {
        grid-template-columns: minmax(0, 1fr);
    }

    .playlist-manager {
        padding: 0 12px 6px;
    }

    .playlist-toolbar {
        flex-wrap: wrap;
    }

    .playlist-label {
        width: 100%;
    }

    .playlist-toolbar select {
        min-width: 120px;
    }

    .playlist-toolbar button {
        padding: 0 8px;
    }

    .music-list {
        gap: 5px;
        padding: 4px 12px 24px;
    }

    .music-card {
        grid-template-columns: 36px minmax(0, 1fr) 30px;
        gap: 8px;
        min-height: 50px;
        padding: 5px 7px;
    }

    .music-image {
        width: 36px;
        height: 36px;
        font-size: 18px;
    }

    .overlay {
        width: 30px;
        height: 30px;
    }

    .player-track {
        gap: 8px;
    }

    .player-note {
        width: 30px;
        height: 30px;
    }

    .player-loop,
    .player-shuffle {
        min-height: 28px;
        padding: 0 7px;
        font-size: 0.68rem;
    }

    .player-volume {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
    }
}