/* CustomMusicPlayer — vinyl ring progress + dock + notice
 * Accent follows theme --primary (Daydream/Pico effective default: #1095c1)
 */

/*
 * Stacking contract (Daydream-compatible, no theme edits required):
 *   site chrome (.header-navbar-wrapper / .navbar-fixed)  ≥ 1100
 *   entry notice                                           = 1060
 *   floating dock                                          = 1050
 *   article content / .music-player                        ≤ 1
 */
.header-navbar-wrapper {
    position: relative;
    z-index: 1100;
}

.navbar.navbar-fixed {
    z-index: 1200;
    /* Keep chrome opaque enough so vinyl layers do not show through */
    background-color: rgba(255, 255, 255, 0.96);
}

[data-theme="dark"] .navbar.navbar-fixed {
    background-color: rgba(26, 26, 26, 0.96);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .navbar.navbar-fixed {
        background-color: rgba(26, 26, 26, 0.96);
    }
}

main#pjax-container,
main.container {
    position: relative;
    z-index: 1;
}

.music-player {
    --mp-primary: var(--primary, #1095c1);
    --mp-primary-soft: color-mix(in srgb, var(--mp-primary) 18%, transparent);
    --mp-primary-soft-strong: color-mix(in srgb, var(--mp-primary) 35%, transparent);
    --mp-primary-deep: color-mix(in srgb, var(--mp-primary) 72%, #000);
    --mp-surface: var(--card-background-color, #fff);
    --mp-text: var(--color, #172b4d);
    --mp-muted: var(--muted-color, rgba(23, 43, 77, 0.65));
    --mp-shadow: 0 15px 35px rgba(50, 50, 93, 0.1), 0 5px 15px rgba(0, 0, 0, 0.07);
    --mp-disc-size: 120px;
    --mp-radius: 12px;
    --mp-ring: 301.59289474462014; /* 2π × 48 */

    position: relative;
    z-index: 0;
    isolation: isolate;
    contain: paint;
    overflow: hidden;
    width: 100%;
    max-width: 100%;
    margin: calc(var(--spacing, 1rem) * 1.25) auto;
    padding: calc(var(--spacing, 1rem) * 1.1);
    border-radius: var(--mp-radius);
    background: var(--mp-surface);
    box-shadow: var(--mp-shadow);
    box-sizing: border-box;
}

[data-theme="dark"] .music-player {
    --mp-surface: var(--card-background-color, #1a1a1a);
    --mp-text: var(--color, #e8e8e8);
    --mp-muted: var(--muted-color, rgba(232, 232, 232, 0.65));
    --mp-shadow: 0 15px 35px rgba(0, 0, 0, 0.35), 0 5px 15px rgba(0, 0, 0, 0.2);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .music-player {
        --mp-surface: var(--card-background-color, #1a1a1a);
        --mp-text: var(--color, #e8e8e8);
        --mp-muted: var(--muted-color, rgba(232, 232, 232, 0.65));
        --mp-shadow: 0 15px 35px rgba(0, 0, 0, 0.35), 0 5px 15px rgba(0, 0, 0, 0.2);
    }
}

.music-player-body {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing, 1rem) * 1.15);
}

.music-player-vinyl-wrap {
    position: relative;
    flex: 0 0 var(--mp-disc-size);
    width: var(--mp-disc-size);
    height: var(--mp-disc-size);
}

.music-player-disc-btn {
    position: relative;
    display: block;
    width: 100%;
    height: 100%;
    padding: 0;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: 50%;
    -webkit-tap-highlight-color: transparent;
}

.music-player-disc-btn:focus-visible {
    outline: 2px solid var(--mp-primary);
    outline-offset: 3px;
}

.music-player-ring {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    transform: rotate(-90deg);
    pointer-events: none;
}

.music-player-ring-track,
.music-player-ring-progress {
    stroke-width: 3.2;
    stroke-linecap: round;
}

.music-player-ring-track {
    stroke: var(--mp-primary-soft);
}

.music-player-ring-progress {
    stroke: var(--mp-primary);
    stroke-dasharray: var(--mp-ring);
    stroke-dashoffset: var(--mp-ring);
    transition: stroke-dashoffset 0.12s linear;
}

.music-player-disc {
    position: absolute;
    inset: 8%;
    border-radius: 50%;
    background:
        radial-gradient(circle at center, transparent 18%, rgba(0, 0, 0, 0.15) 19%, transparent 20%),
        repeating-radial-gradient(circle at center, #111 0 2px, #222 2px 4px, #0d0d0d 4px 6px);
    box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.06), 0 4px 16px rgba(0, 0, 0, 0.25);
    z-index: 1;
}

.music-player-disc.is-spinning {
    animation: music-player-spin 8s linear infinite;
}

.music-player-disc.is-spinning.is-paused {
    animation-play-state: paused;
}

@keyframes music-player-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.music-player-cover {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 58%;
    height: 58%;
    margin: 0;
    border-radius: 50%;
    object-fit: cover;
    transform: translate(-50%, -50%);
    z-index: 1;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.2);
}

.music-player-cover--placeholder {
    background: linear-gradient(135deg, var(--mp-primary), var(--mp-primary-deep));
}

.music-player-disc-hole {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 10%;
    height: 10%;
    border-radius: 50%;
    background: #0a0a0a;
    transform: translate(-50%, -50%);
    z-index: 2;
    box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.15);
}

.music-player-center-ctrl {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 4;
    width: 36%;
    height: 36%;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(10, 10, 12, 0.42);
    backdrop-filter: blur(2px);
    transform: translate(-50%, -50%);
    transition: opacity 0.25s ease, background 0.25s ease;
    pointer-events: none;
}

.music-player.is-playing .music-player-center-ctrl {
    opacity: 0.35;
    background: rgba(10, 10, 12, 0.28);
}

.music-player-disc-btn:hover .music-player-center-ctrl,
.music-player-disc-btn:focus-visible .music-player-center-ctrl {
    opacity: 1;
}

.music-player-icon {
    width: 42%;
    height: 42%;
    fill: #fff;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.35));
}

.music-player-icon--pause {
    display: none;
}

.music-player.is-playing .music-player-icon--play {
    display: none;
}

.music-player.is-playing .music-player-icon--pause {
    display: block;
}

.music-player-meta {
    flex: 1;
    min-width: 0;
    margin: 0;
}

.music-player-title {
    margin: 0 0 0.2em;
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1.35;
    color: var(--mp-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.music-player-artist {
    margin: 0 0 0.45em;
    font-size: 0.9rem;
    color: var(--mp-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.music-player-hint {
    margin: 0;
    font-size: 0.75rem;
    color: var(--mp-muted);
    line-height: 1.4;
}

.music-player-sentinel {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 1px;
    height: 1px;
    pointer-events: none;
    visibility: hidden;
}

.music-player-error {
    padding: 0.75em 1em;
    border-radius: var(--mp-radius);
    background: color-mix(in srgb, var(--mp-primary) 12%, transparent);
    color: var(--mp-text, #172b4d);
}

.music-player.is-autoplay-blocked {
    box-shadow: var(--mp-shadow), inset 0 0 0 1px var(--mp-primary-soft-strong);
}

.music-player.is-autoplay-blocked::after {
    content: '滚入此区域后轻触页面任意处即可自动播放';
    display: block;
    margin-top: 0.65em;
    font-size: 0.78rem;
    color: var(--mp-muted);
    line-height: 1.4;
}

.music-player.is-load-error::after {
    content: '音频加载失败，请检查 src 地址是否有效';
    display: block;
    margin-top: 0.65em;
    font-size: 0.78rem;
    color: #c62828;
    line-height: 1.4;
}

/* Floating dock */
.music-player-dock {
    --mp-primary: var(--primary, #1095c1);
    --mp-primary-soft: color-mix(in srgb, var(--mp-primary) 22%, transparent);
    --mp-primary-deep: color-mix(in srgb, var(--mp-primary) 72%, #000);
    --mp-ring: 301.59289474462014;
    --mp-shadow: 0 15px 35px rgba(50, 50, 93, 0.1), 0 5px 15px rgba(0, 0, 0, 0.07);

    position: fixed;
    right: calc(env(safe-area-inset-right, 0px) + 16px);
    bottom: calc(env(safe-area-inset-bottom, 0px) + 16px);
    z-index: 1050; /* below site chrome, above article */
    width: 64px;
    height: 64px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: transparent;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px) scale(0.92);
    transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
    -webkit-tap-highlight-color: transparent;
}

.music-player-dock.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.music-player-dock:focus-visible {
    outline: 2px solid var(--mp-primary);
    outline-offset: 3px;
}

.music-player-dock-ring {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    transform: rotate(-90deg);
    pointer-events: none;
}

.music-player-dock-ring-track,
.music-player-dock-ring-progress {
    stroke-width: 3.5;
    stroke-linecap: round;
}

.music-player-dock-ring-track {
    stroke: var(--mp-primary-soft);
}

.music-player-dock-ring-progress {
    stroke: var(--mp-primary);
    stroke-dasharray: var(--mp-ring);
    stroke-dashoffset: var(--mp-ring);
    transition: stroke-dashoffset 0.12s linear;
}

.music-player-dock-disc {
    position: absolute;
    inset: 10%;
    border-radius: 50%;
    background:
        radial-gradient(circle at center, transparent 18%, rgba(0, 0, 0, 0.15) 19%, transparent 20%),
        repeating-radial-gradient(circle at center, #111 0 2px, #222 2px 4px, #0d0d0d 4px 6px);
    box-shadow: var(--mp-shadow);
    z-index: 1;
}

.music-player-dock-disc.is-spinning {
    animation: music-player-spin 8s linear infinite;
}

.music-player-dock-disc.is-spinning.is-paused {
    animation-play-state: paused;
}

.music-player-dock-cover {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 58%;
    height: 58%;
    border-radius: 50%;
    object-fit: cover;
    transform: translate(-50%, -50%);
    z-index: 1;
}

.music-player-dock-cover--placeholder {
    background: linear-gradient(135deg, var(--mp-primary), var(--mp-primary-deep));
}

.music-player-dock-hole {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 10%;
    height: 10%;
    border-radius: 50%;
    background: #0a0a0a;
    transform: translate(-50%, -50%);
    z-index: 2;
}

/* Entry notice */
.music-player-notice {
    --mp-primary: var(--primary, #1095c1);
    --mp-primary-soft: color-mix(in srgb, var(--mp-primary) 18%, transparent);
    position: fixed;
    right: calc(env(safe-area-inset-right, 0px) + 16px);
    bottom: calc(env(safe-area-inset-bottom, 0px) + 16px);
    z-index: 1060; /* below site chrome, above dock */
    width: min(300px, calc(100vw - 32px));
    padding: 14px 16px 12px;
    border-radius: 12px;
    background: var(--card-background-color, #fff);
    color: var(--color, #172b4d);
    box-shadow: 0 15px 35px rgba(50, 50, 93, 0.12), 0 5px 15px rgba(0, 0, 0, 0.08);
    opacity: 0;
    visibility: hidden;
    transform: translateY(14px);
    transition: opacity 0.28s ease, transform 0.28s ease, visibility 0.28s;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
}

[data-theme="dark"] .music-player-notice {
    background: #1a1a1a;
    color: #e8e8e8;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .music-player-notice {
        background: #1a1a1a;
        color: #e8e8e8;
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
    }
}

.music-player-notice.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.music-player-notice-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 6px;
}

.music-player-notice-title {
    margin: 0;
    font-size: 0.92rem;
    font-weight: 600;
    line-height: 1.35;
}

.music-player-notice-close {
    flex: 0 0 auto;
    width: 28px;
    height: 28px;
    margin: -4px -6px 0 0;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: inherit;
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    opacity: 0.55;
}

.music-player-notice-close:hover {
    opacity: 1;
}

.music-player-notice-desc {
    margin: 0 0 10px;
    font-size: 0.8rem;
    opacity: 0.75;
    line-height: 1.4;
}

.music-player-notice-bar {
    height: 3px;
    border-radius: 2px;
    background: var(--mp-primary-soft);
    overflow: hidden;
}

.music-player-notice-bar-inner {
    height: 100%;
    width: 100%;
    background: var(--mp-primary);
    transform-origin: left center;
    transform: scaleX(1);
}

.music-player-notice.is-visible .music-player-notice-bar-inner {
    animation: music-player-notice-countdown 5s linear forwards;
}

@keyframes music-player-notice-countdown {
    from { transform: scaleX(1); }
    to { transform: scaleX(0); }
}

.music-player-notice.is-holding {
    outline: 2px solid var(--mp-primary);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    .music-player-disc.is-spinning,
    .music-player-dock-disc.is-spinning {
        animation: none;
    }

    .music-player-dock,
    .music-player-notice {
        transition: opacity 0.15s ease, visibility 0.15s;
        transform: none;
    }

    .music-player-dock.is-visible,
    .music-player-notice.is-visible {
        transform: none;
    }

    .music-player-notice.is-visible .music-player-notice-bar-inner {
        animation: none;
    }

    .music-player-ring-progress,
    .music-player-dock-ring-progress {
        transition: none;
    }
}

@media (max-width: 480px) {
    .music-player {
        --mp-disc-size: 96px;
        padding: calc(var(--spacing, 1rem) * 0.9);
    }

    .music-player-body {
        gap: calc(var(--spacing, 1rem) * 0.85);
    }

    .music-player-title {
        font-size: 0.98rem;
    }

    .music-player-artist {
        font-size: 0.82rem;
    }

}