/* ========================================================
   APPLE MUSIC–STYLE DESIGN SYSTEM
   ======================================================== */
:root {
    --am-bg: #000000;
    --am-card-hover: #2c2c2e;
    --am-elevated: #3a3a3c;
    --am-separator: rgba(84,84,88,0.35);
    --am-text: #ffffff;
    --am-text2: #8e8e93;
    --am-text3: #636366;
    --am-accent: var(--primary);
    --am-accent-dark: var(--darker);
    --am-red: #fc3c44;
    --am-radius: 12px;
    --am-radius-sm: 8px;
    --am-radius-xs: 6px;
    --am-spring: cubic-bezier(0.32, 0.72, 0, 1);
    --am-ease: cubic-bezier(0.25, 0.1, 0.25, 1);
    --am-safe-bottom: env(safe-area-inset-bottom, 0px);
    --am-safe-left: env(safe-area-inset-left, 0px);
    /* Legacy var mappings for inline PHP styles */

    --primary-dark: #158c3e;

    --light: #2c2c2e;
    --lighter: #3a3a3c;
    --text-primary: #ffffff;
    --text-secondary: #8e8e93;
    --text-tertiary: #636366;
    --medium-bg: #1c1c1e;
    --light-bg: #2c2c2e;
    --shadow: 0 4px 20px rgba(0,0,0,0.4);
    --danger: #fc3c44;
    --accent: #1AA34A;
    --accent-2: #60a5fa;
}

/* Reset for this page */
.music-app *,
.music-app *::before,
.music-app *::after {
    -webkit-tap-highlight-color: transparent;
    box-sizing: border-box;
}

.music-app {
    position: relative;
    color: var(--am-text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding-bottom: calc(64px + var(--am-safe-bottom));
    overflow-x: hidden;
}

/* Hide scrollbars but keep scrolling */
.main-content {
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-y: contain;
    scrollbar-width: none;
}
.main-content::-webkit-scrollbar { display: none; }

/* ========================================================
   LOADING SPINNER
   ======================================================== */
.am-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px 20px;
}
.am-spinner {
    width: 28px;
    height: 28px;
    border: 3px solid var(--am-elevated);
    border-top-color: var(--am-accent);
    border-radius: 50%;
    animation: am-spin 0.7s linear infinite;
}
@keyframes am-spin { to { transform: rotate(360deg); } }

/* ========================================================
   MINI PLAYER — Apple Music style thin bar
   ======================================================== */
.mini-player {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: var(--dark);
    border-top: 0.5px solid var(--am-separator);
    padding-bottom: var(--am-safe-bottom);
    transition: opacity 0.35s var(--am-ease), transform 0.45s var(--am-spring);
    will-change: transform, opacity;
}
.mini-player.hidden {
    opacity: 0;
    transform: translateY(100%);
    pointer-events: none;
}

/* Thin progress line at very top */
.am-mini-progress {
    position: absolute;
    top: 0;
    left: 0;
    height: 2px;
    background: var(--am-accent);
    width: 0%;
    z-index: 2;
    transition: width 0.25s linear;
}

.am-mini-inner {
    display: flex;
    align-items: center;
    height: 64px;
    padding: 0 12px;
    padding-left: max(12px, var(--am-safe-left));
    gap: 10px;
}

.player-info {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    min-width: 0;
    cursor: pointer;
    padding: 6px 0;
}

.player-info .track-cover {
    width: 46px;
    height: 46px;
    border-radius: var(--am-radius-xs);
    object-fit: cover;
    flex-shrink: 0;
}

.track-details {
    min-width: 0;
}
.track-details h4 {
    font-size: 13px;
    font-weight: 600;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin: 0;
    color: var(--am-text);
}
.track-details p {
    font-size: 11px;
    color: var(--am-text2);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin: 2px 0 0 0;
}

.btn-play-mini {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: none;
    background: var(--am-text);
    color: var(--am-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
    cursor: pointer;
    transition: transform 0.15s var(--am-ease);
    padding: 0;
}
.btn-play-mini:active {
    transform: scale(0.88);
}

/* ========================================================
   FULL PLAYER — slides up, blurred album art bg
   ======================================================== */
.full-player {
    position: fixed;
    inset: 0;
    z-index: 100000;
    display: flex;
    flex-direction: column;
    transform: translateY(100%);
    opacity: 0;
    transition: transform 0.55s var(--am-spring), opacity 0.35s ease;
    will-change: transform, opacity;
    overflow: hidden;
    pointer-events: none;
}
.full-player.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

/* Blurred background from album art */
.am-fp-bg {
    position: absolute;
    inset: -40px;
    z-index: 0;
    overflow: hidden;
}
.am-fp-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: blur(60px) saturate(1.8) brightness(0.4);
    transform: scale(1.3);
}
.am-fp-scrim {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: rgba(0,0,0,0.55);
}

.am-fp-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 0 20px;
    padding-top: max(8px, env(safe-area-inset-top));
    padding-bottom: max(20px, env(safe-area-inset-bottom));
    max-width: 480px;
    margin: 0 auto;
    width: 100%;
}

/* Header */
.full-player-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 0 12px 0;
    flex-shrink: 0;
}
.btn-close-player {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,0.15);
    color: var(--am-text);
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}
.btn-close-player:active { background: rgba(255,255,255,0.25); }
.am-fp-header-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--am-text2);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.btn-more {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,0.15);
    color: var(--am-text);
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

/* Album art */
.am-fp-art-wrap {
    flex-shrink: 0;
    display: flex;
    justify-content: center;
    padding: 8px 0 24px 0;
}
.full-player-album-art {
    width: min(78vw, 340px);
    aspect-ratio: 1;
    border-radius: var(--am-radius);
    overflow: hidden;
    box-shadow: 0 16px 48px rgba(0,0,0,0.5);
}
.full-player-album-art img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Track info */
.player-track-info {
    width: 100%;
    text-align: center;
    padding: 0 4px;
    flex-shrink: 0;
    margin-bottom: 16px;
}
.player-track-title {
    font-size: 20px;
    font-weight: 700;
    line-height: 1.25;
    margin: 0 0 4px 0;
    white-space: normal;
    word-wrap: break-word;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.player-track-artist {
    font-size: 15px;
    color: var(--am-accent);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Progress */
.progress-container {
    width: 100%;
    flex-shrink: 0;
    margin-bottom: 20px;
}
.progress-bar-container {
    width: 100%;
    height: 4px;
    background: rgba(255,255,255,0.2);
    border-radius: 2px;
    cursor: pointer;
    position: relative;
    transition: height 0.15s;
}
.progress-bar-container:hover { height: 6px; }
.progress-bar {
    height: 100%;
    background: var(--am-text);
    border-radius: 2px;
    width: 0%;
    position: relative;
}
.progress-bar::after {
    content: '';
    position: absolute;
    right: -5px;
    top: 50%;
    transform: translateY(-50%) scale(0);
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--am-text);
    transition: transform 0.15s;
}
.progress-bar-container:hover .progress-bar::after {
    transform: translateY(-50%) scale(1);
}
.time-display {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--am-text2);
    margin-top: 6px;
    font-variant-numeric: tabular-nums;
}

/* Controls */
.player-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-shrink: 0;
    margin-bottom: 20px;
}
.player-actions button {
    background: none;
    border: none;
    color: var(--am-text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.15s var(--am-ease), opacity 0.15s;
    padding: 0;
    -webkit-user-select: none;
    user-select: none;
}
.player-actions button:active { transform: scale(0.85); }

.shuffle-btn, .repeat-btn {
    font-size: 18px;
    width: 36px;
    height: 36px;
}
.shuffle-btn.active, .repeat-btn.active { color: var(--am-accent); }

.prev-btn, .next-btn {
    font-size: 28px;
    width: 48px;
    height: 48px;
}

.btn-play-main {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--am-text);
    color: var(--am-bg);
    font-size: 26px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}
.btn-play-main:active { transform: scale(0.9); }

/* Volume + Device */
.extra-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
    margin-top: auto;
    padding-top: 8px;
}
.volume-control {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--am-text2);
}
.volume-control i { font-size: 14px; color: var(--am-text2); }
.volume-control input[type="range"] {
    width: 100px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: rgba(255,255,255,0.2);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}
.volume-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--am-text);
    cursor: pointer;
}
#outputDevice {
    font-size: 11px;
    color: var(--am-text3);
    gap: 5px;
}
#outputDevice i { font-size: 13px; }

/* Dropdown */
.dropdown-menu {
    background: var(--dark);
    border: 0.5px solid var(--am-separator);
    border-radius: var(--am-radius-sm);
    padding: 4px 0;
    box-shadow: 0 8px 32px rgba(0,0,0,0.5);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
}
.dropdown-item {
    color: var(--am-text);
    padding: 10px 16px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: background 0.15s;
}
.dropdown-item:hover {
    background: var(--am-card-hover);
    color: var(--am-text);
}
.dropdown-item i { font-size: 16px; color: var(--am-text2); width: 20px; text-align: center; }

/* ========================================================
   DESKTOP ADJUSTMENTS
   ======================================================== */
@media (min-width: 768px) {
    .music-app {
        padding-bottom: 0;
    }

    .mini-player {
        left: 240px; /* sidebar width */
    }

    .am-fp-content {
        max-width: 400px;
    }
    .full-player-album-art {
        width: min(50vw, 320px);
    }

    .volume-control input[type="range"] {
        width: 140px;
    }
}

@media (min-width: 1200px) {
    .mini-player {
        left: 280px; /* wider sidebar */
    }
}

/* ========================================================
   PLAYING WAVES (kept for JS compatibility)
   ======================================================== */
.playing-waves {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    width: auto;
    height: 16px;
}
.playing-waves span {
    display: block;
    width: 3px;
    height: 60%;
    background: var(--am-accent);
    border-radius: 2px;
    animation: am-wave 0.6s infinite ease-in-out;
}
.playing-waves span:nth-child(2) { animation-delay: 0.15s; }
.playing-waves span:nth-child(3) { animation-delay: 0.3s; }
@keyframes am-wave {
    0%, 100% { transform: scaleY(0.3); }
    50% { transform: scaleY(1); }
}

/* === Track content centering === */
#track-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 20px 16px;
    max-width: 1100px;
    margin: 0 auto;
    width: 100%;
}

#track-content > * {
    width: 100%;
    max-width: 1000px;
}

/* Mobile adjustments */
@media (max-width: 768px) {
    #track-content {
        padding: 16px 12px;
    }
}

/* Ensure the full player close button is always clickable */
.btn-close-player {
    position: relative;
    z-index: 10;
    width: 44px;
    height: 44px;
    font-size: 22px;
}

/* Preview Purchase Banner */
.preview-purchase-banner {
    position: relative;
    margin: 16px 24px;
    padding: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.35s ease, transform 0.35s ease;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    z-index: 10;
}

.preview-purchase-banner.visible {
    opacity: 1;
    transform: translateY(0);
}

.preview-banner-content {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 22px;
    flex-wrap: wrap;
}

.preview-banner-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--am-accent, #1db954), #0d7a3a);
    color: #fff;
    font-size: 22px;
    box-shadow: 0 4px 16px rgba(29, 185, 84, 0.35);
}

.preview-banner-text {
    flex: 1;
    min-width: 200px;
}

.preview-banner-text h5 {
    margin: 0 0 4px;
    font-size: 16px;
    font-weight: 700;
    color: #fff;
}

.preview-banner-text p {
    margin: 0;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.5;
}

.preview-banner-text strong {
    color: #fff;
}

.preview-banner-price {
    margin-top: 8px;
}

.preview-price {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(29, 185, 84, 0.15);
    border: 1px solid rgba(29, 185, 84, 0.4);
    border-radius: 20px;
    color: var(--am-accent, #1db954);
    font-size: 13px;
    font-weight: 700;
}

.preview-banner-actions {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
    flex-wrap: wrap;
}

.preview-banner-btn {
    padding: 10px 18px;
    border-radius: 24px;
    border: none;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: transform 0.15s ease, opacity 0.15s ease, background 0.15s ease;
    white-space: nowrap;
}

.preview-banner-btn:hover {
    transform: translateY(-1px);
    opacity: 0.92;
}

.preview-banner-btn:active {
    transform: translateY(0);
}

.preview-banner-buy,
.preview-banner-download {
    background: var(--am-accent, #1db954);
    color: #fff;
    box-shadow: 0 4px 14px rgba(29, 185, 84, 0.35);
}

.preview-banner-buy:disabled {
    background: rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.5);
    cursor: not-allowed;
    box-shadow: none;
}

.preview-banner-dismiss {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

/* Mini player variant */
.mini-player .preview-purchase-banner {
    margin: 12px;
    font-size: 12px;
}

.mini-player .preview-banner-content {
    padding: 12px 16px;
    gap: 12px;
}

.mini-player .preview-banner-icon {
    width: 36px;
    height: 36px;
    font-size: 16px;
}

.mini-player .preview-banner-text h5 {
    font-size: 14px;
}

.mini-player .preview-banner-text p {
    font-size: 12px;
}

.mini-player .preview-banner-btn {
    padding: 8px 14px;
    font-size: 12px;
}

/* Mobile */
@media (max-width: 600px) {
    .preview-banner-content {
        flex-direction: column;
        text-align: center;
        padding: 16px;
    }

    .preview-banner-actions {
        width: 100%;
        justify-content: center;
    }

    .preview-banner-btn {
        flex: 1;
        justify-content: center;
    }
}