/* ─── Reset & Base ─────────────────────────────────────────────────────── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg-gradient:   #000000;
    --accent-rose:   #cb5a72;
    --accent-light:  #e88c9e;
    --card-bg-light: #cfc7c9;
    --track-text:    #2e121a;
    --text-white:    #ffffff;
}

/* ─── Synthwave Visualizer Canvas ───────────────────────────────────────── */
#synthwave-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
}

body {
    font-family: 'Outfit', sans-serif;
    background: #000000;
    color: var(--text-white);
    min-height: 100vh;
    padding: 40px 60px 60px;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    position: relative;
}

/* ─── Base Site Brand Header ─────────────────────────────────────────────── */
.brand-header, .app-label {
    font-family: 'Outfit', sans-serif;
    font-size: 26px;
    font-weight: 700;
    color: var(--text-white);
    letter-spacing: 0.5px;
    margin-bottom: 24px;
    animation: floatGentleC 8s ease-in-out infinite;
    position: relative;
    z-index: 1;
    text-shadow: 0 0 20px rgba(203, 90, 114, 0.4);
}

/* ─── Base Site Main Layout (Floating Windows on Page) ────────────────────── */
.player-page-container, .app-wrapper {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 50px;
    max-width: 960px;
    margin: 0 auto;
    width: 100%;
    flex: 1;
    position: relative;
    z-index: 1;
}

.col-section, .left-col, .right-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

.section-title, .col-header {
    font-family: 'Outfit', sans-serif;
    font-size: 24px;
    font-weight: 400;
    color: var(--text-white);
    margin-bottom: 24px;
    text-align: center;
    letter-spacing: 0.3px;
}

/* ─── Floating Album Art Card ────────────────────────────────────────────── */
.album-art-card, .album-art-wrap {
    width: 320px;
    height: 320px;
    max-width: 320px;
    max-height: 320px;
    background: #e8e2e4;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 14px 40px rgba(0,0,0,0.45);
    margin-bottom: 24px;
    position: relative;
    flex-shrink: 0;
    animation: floatGentleA 6s ease-in-out infinite;
}

.album-art-card img, .album-art-wrap img, #album-art-img {
    width: 100% !important;
    height: 100% !important;
    max-width: 100% !important;
    max-height: 100% !important;
    object-fit: cover !important;
    display: block !important;
}

.art-placeholder {
    display: none;
    position: absolute;
    inset: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: #7a505b;
    font-size: 14px;
}

.current-track-name {
    display: none;
}

/* ─── Floating Metallic Controls Capsule ─────────────────────────────────── */
.controls-capsule, #main-capsule {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(
        180deg,
        #787878 0%,
        #525252 20%,
        #363636 50%,
        #242424 80%,
        #404040 100%
    );
    border-radius: 60px;
    padding: 8px 22px;
    width: 220px;
    height: 68px;
    margin-bottom: 20px;
    border: 1px solid rgba(255,255,255,0.15);
    box-shadow:
        0 10px 28px rgba(0,0,0,0.65),
        inset 0 1px 0 rgba(255,255,255,0.25),
        inset 0 -1px 0 rgba(0,0,0,0.6);
    gap: 8px;
    animation: floatGentleB 6.8s ease-in-out infinite;
    animation-delay: 0.7s;
    position: relative;
    z-index: 10;
}

.btn-skip-arrow {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 6px;
    border-radius: 4px;
    transition: opacity 0.15s, transform 0.1s;
    flex-shrink: 0;
}

.btn-skip-arrow:hover  { opacity: 0.75; }
.btn-skip-arrow:active { transform: scale(0.86); }

.skip-bar {
    width: 3.5px;
    height: 15px;
    background: linear-gradient(180deg, #e56b82 0%, #9e233b 100%);
    border-radius: 2px;
    box-shadow: 0 0 4px rgba(203,90,114,0.5);
}

.skip-triangle {
    width: 0;
    height: 0;
    border-top: 7.5px solid transparent;
    border-bottom: 7.5px solid transparent;
    filter: drop-shadow(0 0 3px rgba(203,90,114,0.5));
}

.skip-triangle.left  { border-right: 12px solid #cb5a72; }
.skip-triangle.right { border-left:  12px solid #cb5a72; }

/* ─── Metal Play Button ─────────────────────────────────────────────────── */
.btn-play-metal {
    position: relative;
    z-index: 15;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: radial-gradient(
        circle at 34% 28%,
        #e8e8e8 0%,
        #c8c8c8 18%,
        #989898 38%,
        #686868 62%,
        #3e3e3e 82%,
        #282828 100%
    );
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow:
        0 6px 20px rgba(0,0,0,0.75),
        0 0 0 2.5px #111,
        0 0 0 4.5px #666,
        0 0 0 5.5px #1a1a1a,
        inset 0 1.5px 3px rgba(255,255,255,0.4),
        inset 0 -2px 5px rgba(0,0,0,0.65);
    transition: box-shadow 0.15s, transform 0.1s;
    flex-shrink: 0;
}

.btn-play-metal:hover {
    box-shadow:
        0 8px 26px rgba(0,0,0,0.85),
        0 0 0 2.5px #111,
        0 0 0 4.5px #888,
        0 0 0 5.5px #222,
        inset 0 1.5px 3px rgba(255,255,255,0.4),
        inset 0 -2px 5px rgba(0,0,0,0.65);
}

.btn-play-metal:active { transform: scale(0.92); }

/* Spin ring */
.btn-play-metal::before {
    content: '';
    position: absolute;
    inset: -9px;
    border-radius: 50%;
    background: conic-gradient(
        from 0deg,
        transparent 0%,
        rgba(203,90,114,0.85) 15%,
        transparent 28%,
        rgba(203,90,114,0.45) 50%,
        transparent 62%,
        rgba(203,90,114,0.85) 78%,
        transparent 100%
    );
    opacity: 0;
    transition: opacity 0.35s ease;
    pointer-events: none;
    z-index: 1;
}

.btn-play-metal.playing {
    animation: spinButton 4s linear infinite;
}

.btn-play-metal.playing::before {
    opacity: 1;
    animation: spinRing 2s linear infinite;
}

/* Play Icon Wrapper */
.play-icon-wrap {
    position: relative;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    width: 24px;
    height: 24px;
}

.btn-play-metal.playing .play-icon-wrap {
    animation: counterSpin 4s linear infinite;
}

.icon-play {
    position: relative;
    z-index: 101;
    width: 0;
    height: 0;
    border-top: 9.5px solid transparent;
    border-bottom: 9.5px solid transparent;
    border-left: 16px solid #cb5a72;
    margin-left: 4px;
    filter: drop-shadow(0 0 4px rgba(203,90,114,0.7));
}

.icon-pause {
    position: relative;
    z-index: 101;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.pause-bar {
    width: 4.5px;
    height: 19px;
    background: linear-gradient(180deg, #e56b82 0%, #9e233b 100%);
    border-radius: 2px;
    box-shadow: 0 0 5px rgba(203,90,114,0.5);
}

/* ─── Action Buttons Wrapper ─────────────────────────────────────────────── */
.action-buttons-wrap {
    display: flex;
    gap: 12px;
    align-items: center;
    justify-content: center;
}

.btn-action, .btn-download {
    background: #dddddd;
    color: #3e2231;
    border: none;
    border-radius: 24px;
    padding: 10px 24px;
    font-size: 14px;
    font-family: 'Outfit', sans-serif;
    font-weight: 500;
    cursor: pointer;
    box-shadow: 0 6px 16px rgba(0,0,0,0.3);
    transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
    animation: floatGentleC 5.5s ease-in-out infinite;
    animation-delay: 1.4s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-action:hover, .btn-download:hover {
    background: #ececec;
    box-shadow: 0 8px 20px rgba(0,0,0,0.4);
}

.btn-action:active, .btn-download:active {
    transform: scale(0.94);
}

/* ─── Loop / Shuffle Button ──────────────────────────────────────────────── */
.btn-loop {
    background: radial-gradient(
        circle at 34% 28%,
        #d8d8d8 0%,
        #b4b4b4 20%,
        #888888 45%,
        #585858 72%,
        #363636 100%
    );
    border: none;
    padding: 0;
    cursor: pointer;
    width: 46px;
    height: 46px;
    min-width: 46px;
    min-height: 46px;
    max-width: 46px;
    max-height: 46px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
    transition: transform 0.15s, filter 0.25s, box-shadow 0.25s;
    animation: floatGentleC 5.5s ease-in-out infinite;
    animation-delay: 1.8s;
    box-shadow:
        0 4px 14px rgba(0,0,0,0.6),
        0 0 0 1.5px #111,
        0 0 0 3px #666,
        0 0 0 4px #1a1a1a,
        inset 0 1px 2px rgba(255,255,255,0.35),
        inset 0 -1px 3px rgba(0,0,0,0.55);
}

/* SVG icon shared styles */
.loop-icon-svg,
.shuffle-icon-svg {
    width: 20px;
    height: 20px;
    min-width: 20px;
    min-height: 20px;
    max-width: 20px;
    max-height: 20px;
    stroke: #cb5a72;
    flex-shrink: 0;
    pointer-events: none;
    filter: drop-shadow(0 0 3px rgba(203, 90, 114, 0.55));
    transition: opacity 0.2s;
    display: block;
}

/* Shuffle icon hidden by default */
.shuffle-icon-svg {
    display: none;
}

.btn-loop:hover {
    transform: scale(1.08);
    filter: drop-shadow(0 0 8px rgba(203, 90, 114, 0.55));
}

.btn-loop:active {
    transform: scale(0.92);
}

/* Loop active state — rose glow */
.btn-loop.mode-loop {
    filter: drop-shadow(0 0 10px rgba(203, 90, 114, 0.9));
    box-shadow:
        0 0 18px rgba(203, 90, 114, 0.55),
        0 4px 14px rgba(0,0,0,0.6),
        0 0 0 1.5px #111,
        0 0 0 3px #cb5a72,
        0 0 0 4px #1a1a1a,
        inset 0 1px 2px rgba(255,255,255,0.35),
        inset 0 -1px 3px rgba(0,0,0,0.55);
}

.btn-loop.mode-loop .loop-icon-svg {
    animation: loopPulse 1.8s ease-in-out infinite;
}

/* Shuffle active state — cyan glow, spinning icon */
.btn-loop.mode-shuffle {
    filter: drop-shadow(0 0 12px rgba(0, 220, 255, 0.95));
    box-shadow:
        0 0 20px rgba(0, 220, 255, 0.5),
        0 4px 14px rgba(0,0,0,0.6),
        0 0 0 1.5px #111,
        0 0 0 3px #00dcff,
        0 0 0 4px #1a1a1a,
        inset 0 1px 2px rgba(255,255,255,0.35),
        inset 0 -1px 3px rgba(0,0,0,0.55);
}

/* Show shuffle icon, hide loop icon */
.btn-loop.mode-shuffle .loop-icon-svg {
    display: none;
}

.btn-loop.mode-shuffle .shuffle-icon-svg {
    display: block;
    stroke: #00dcff;
    filter: drop-shadow(0 0 4px rgba(0, 220, 255, 0.8));
    animation: shuffleSpin 1.2s linear infinite;
}

@keyframes loopPulse {
    0%   { transform: scale(1);    opacity: 1; }
    50%  { transform: scale(1.18); opacity: 0.75; }
    100% { transform: scale(1);    opacity: 1; }
}

@keyframes shuffleSpin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

/* ─── Floating Track List Window Card (Clipped Scrollbar) ───────────────── */
.tracks-card {
    position: relative;
    width: 380px;
    height: 460px;
    max-width: 380px;
    background: #cfc7c9;
    border-radius: 24px;
    padding: 18px 12px 18px 16px;
    overflow-y: auto;
    box-shadow: 0 14px 40px rgba(0,0,0,0.45);
    clip-path: inset(0 round 24px);

    animation: floatGentleB 7.2s ease-in-out infinite;
    animation-delay: 0.3s;
}

/* Custom scrollbar clipped neatly within the window */
.tracks-card::-webkit-scrollbar {
    width: 8px;
}

.tracks-card::-webkit-scrollbar-track {
    background: transparent;
    margin-top: 14px;
    margin-bottom: 14px;
}

.tracks-card::-webkit-scrollbar-thumb {
    background-color: var(--accent-rose);
    border-radius: 10px;
    border: 2px solid transparent;
    background-clip: content-box;
}

.tracks-card::-webkit-scrollbar-thumb:hover {
    background-color: #b0445a;
}

.track-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.track-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px;
    font-size: 15px;
    font-family: 'Syne Mono', monospace;
    font-weight: 400;
    color: var(--track-text);
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.15s;
    user-select: none;
}

.track-item:hover:not(.active) {
    background: rgba(0, 0, 0, 0.05);
}

.track-item.active {
    background: var(--accent-rose);
    color: #ffffff;
}

.track-name-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 230px;
}

.track-time {
    font-size: 13px;
    font-variant-numeric: tabular-nums;
    color: rgba(46, 18, 26, 0.7);
    flex-shrink: 0;
    margin-left: 10px;
}

.track-item.active .track-time {
    color: rgba(255, 255, 255, 0.9);
}

/* ─── Progress Bar ───────────────────────────────────────────────────────── */
.progress-wrap {
    width: 380px;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 14px;
    padding: 0 4px;
    animation: floatGentleC 7.2s ease-in-out infinite;
    animation-delay: 0.3s;
}

.progress-time {
    font-size: 12px;
    font-family: 'Outfit', sans-serif;
    font-variant-numeric: tabular-nums;
    color: rgba(255, 255, 255, 0.75);
    flex-shrink: 0;
    min-width: 38px;
}

.progress-time.end { text-align: right; }

.progress-bar-bg {
    flex: 1;
    height: 4px;
    background: rgba(255,255,255,0.25);
    border-radius: 10px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    width: 0%;
    background: var(--accent-rose);
    border-radius: 10px;
    transition: width 0.5s linear;
    pointer-events: none;
}

/* ─── Keyframe Animations ────────────────────────────────────────────────── */
@keyframes floatGentleA {
    0%   { transform: translateY(0px) rotate(0deg); }
    50%  { transform: translateY(-8px) rotate(0.4deg); }
    100% { transform: translateY(0px) rotate(0deg); }
}

@keyframes floatGentleB {
    0%   { transform: translateY(0px) rotate(0deg); }
    50%  { transform: translateY(-10px) rotate(-0.5deg); }
    100% { transform: translateY(0px) rotate(0deg); }
}

@keyframes floatGentleC {
    0%   { transform: translateY(0px); }
    50%  { transform: translateY(-6px); }
    100% { transform: translateY(0px); }
}

@keyframes spinButton {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

@keyframes spinRing {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

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

@keyframes iconPop {
    0%   { transform: scale(0.4); opacity: 0; }
    100% { transform: scale(1.0); opacity: 1; }
}

.play-icon-wrap > * {
    animation: iconPop 0.18s ease-out forwards;
}

audio { display: none; }

/* ─── Mobile Responsiveness ─────────────────────────────────────────────── */
@media (max-width: 850px) {
    body {
        padding: 20px 16px 40px;
    }

    .brand-header, .app-label {
        text-align: center;
        font-size: 28px;
        margin-bottom: 20px;
    }

    .player-page-container, .app-wrapper {
        flex-direction: column;
        align-items: center;
        gap: 32px;
    }

    .col-section, .left-col, .right-col {
        width: 100%;
        max-width: 380px;
    }

    .section-title, .col-header {
        font-size: 20px;
        margin-bottom: 16px;
    }

    .album-art-card, .album-art-wrap {
        width: min(320px, 82vw);
        height: min(320px, 82vw);
        max-width: 320px;
        max-height: 320px;
        margin-bottom: 20px;
    }

    .controls-capsule, #main-capsule {
        margin-bottom: 16px;
    }

    .tracks-card {
        width: 100%;
        max-width: 380px;
        height: 380px;
        padding: 14px 10px 14px 14px;
    }

    .progress-wrap {
        width: 100%;
        max-width: 380px;
        margin-top: 16px;
    }
}