/* ===== RESET & BASE ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --purple: #6366f1;
    --pink: #a855f7;
    --accent: #ec4899;
    --red: #ef4444;
    --bg: #09090b;
    --glass: rgba(255, 255, 255, 0.07);
    --border: rgba(255, 255, 255, 0.12);
    --text: #ffffff;
    --muted: rgba(255, 255, 255, 0.55);
    --accent-dynamic: #6366f1;
    --icon-color: #ffffff;
}

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background 0.5s, color 0.5s;
}

/* ===== LIGHT MODE ===== */
body.light {
    --bg: #f1f5f9;
    --glass: rgba(255, 255, 255, 0.55);
    --border: rgba(0, 0, 0, 0.1);
    --text: #111827;
    --muted: rgba(0, 0, 0, 0.5);
}

/* ===== BACKGROUND BLUR ===== */
#bg-blur {
    position: fixed;
    inset: 0;
    z-index: 0;
    background-image: url('https://images.unsplash.com/photo-1614613535308-eb5fbd3d2c17?q=80&w=500&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    opacity: 0.6;
    transition: opacity 0.8s;
}

/* ===== HEADER ===== */
header {
    position: relative;
    z-index: 10;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 1.75rem 2rem;
}

.clock-box {
    display: flex;
    flex-direction: column;
    gap: 4px;
    opacity: 0.85;
    user-select: none;
}

.clock-date {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
}

.clock-time {
    font-family: 'DM Mono', monospace;
    font-size: 1.35rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

#btn-theme {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--glass);
    border: 1px solid var(--border);
    backdrop-filter: blur(12px);
    cursor: pointer;
    color: var(--text);
    transition: background 0.2s, transform 0.2s;
}

#btn-theme:hover {
    background: rgba(255, 255, 255, 0.18);
    transform: scale(1.08);
}

#btn-theme svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* ===== MAIN ===== */
main {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem 1rem 8rem;
    gap: 2rem;
}

.hero-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(2.6rem, 8vw, 4.2rem);
    letter-spacing: 0.04em;
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
    text-align: center;
    color: var(--text);
}

.hero-title span {
    color: var(--text);
    -webkit-text-fill-color: var(--text);
}

/* ===== COVER CARD ===== */
.cover-card {
    position: relative;
    width: clamp(220px, 72vw, 300px);
    aspect-ratio: 1;
    border-radius: 2.2rem;
    background: var(--glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    padding: 1rem;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.04);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.cover-card:hover {
    transform: scale(1.04);
}

.cover-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 1.6rem;
    pointer-events: none;
    display: block;
}

.live-badge {
    position: absolute;
    top: 1.4rem;
    left: 1.4rem;
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--red);
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 0.6rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #fff;
    animation: pulse 2s ease-in-out infinite;
    box-shadow: 0 4px 16px rgba(239, 68, 68, 0.45);
}

.live-dot {
    width: 7px;
    height: 7px;
    background: #fff;
    border-radius: 50%;
}

/* ===== TRACK INFO ===== */
.track-info {
    text-align: center;
    background: transparent;
    backdrop-filter: none;
    border: none;
    padding: 0.5rem 1rem;
    animation: slideUp 0.6s ease both;
}

.track-artist {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: #c084fc;
    margin-bottom: 2px;
}

.track-title {
    font-family: 'DM Sans', sans-serif;
    font-size: clamp(1.1rem, 4vw, 1.5rem);
    font-weight: 800;
    font-style: italic;
    letter-spacing: 0.02em;
}

/* ===== WAVE SVG ===== */
.waves-bg {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 180px;
    z-index: 0;
    pointer-events: none;
    opacity: 0.35;
}

.waves-bg path {
    transition: fill 0.5s;
}

.wave1.playing {
    animation: wavePath1 4s ease-in-out infinite;
}

.wave2.playing {
    animation: wavePath2 6s ease-in-out infinite;
}

/* ===== SOCIAL SIDEBAR ===== */
.social-sidebar {
    position: fixed;
    bottom: 6.5rem;
    left: 1.5rem;
    z-index: 20;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.social-sidebar a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--icon-color);
    text-decoration: none;
    transition: color 0.2s, transform 0.2s;
}

.social-sidebar a:hover {
    transform: scale(1.18);
}

.social-sidebar a.fb:hover {
    color: #60a5fa;
}

.social-sidebar a.ig:hover {
    color: var(--accent);
}

.social-sidebar a.tw:hover {
    color: #38bdf8;
}

.social-sidebar a.sh:hover {
    color: #a3e635;
}

.social-sidebar svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* ===== CHAT BUTTON ===== */
#btn-chat {
    position: fixed;
    bottom: 6.5rem;
    right: 1.5rem;
    z-index: 20;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--purple);
    color: #fff;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    padding: 0.7rem 1.3rem;
    border-radius: 1.1rem;
    border: none;
    cursor: pointer;
    box-shadow: 0 8px 28px rgba(99, 102, 241, 0.4);
    transition: background 0.2s, transform 0.15s;
}

#btn-chat:hover {
    background: #818cf8;
    transform: scale(1.05);
}

#btn-chat:active {
    transform: scale(0.96);
}

#btn-chat svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* ===== PLAYER FOOTER ===== */
footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 30;
    background: rgba(5, 5, 8, 0.7);
    backdrop-filter: blur(28px);
    border-top: 1px solid var(--border);
    padding: 0.9rem 1.5rem;
}

.player-inner {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    position: relative;
}

/* Mini info */
.mini-info {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1 1 0;
    min-width: 0;
}

.mini-info img {
    width: 42px;
    height: 42px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
}

.mini-info h4 {
    font-size: 0.85rem;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mini-live {
    display: flex;
    align-items: center;
    gap: 5px;
}

.mini-live-dot {
    width: 7px;
    height: 7px;
    background: var(--red);
    border-radius: 50%;
}

.mini-live span {
    font-size: 0.62rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: var(--muted);
    text-transform: uppercase;
}

/* Play button */
#btn-play {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-dynamic), var(--pink));
    border: none;
    cursor: pointer;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.5);
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s;
}

#btn-play:hover {
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: 0 12px 40px rgba(168, 85, 247, 0.55);
}

#btn-play.playing {
    animation: pulse-play 1.2s ease-in-out infinite;
}

#btn-play:active {
    transform: translate(-50%, -50%) scale(0.94);
}

#btn-play svg {
    width: 26px;
    height: 26px;
    stroke: currentColor;
    fill: currentColor;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* Volume controls */
.vol-controls {
    display: flex;
    align-items: center;
    gap: 14px;
    flex: 1 1 0;
    justify-content: flex-end;
}

.vol-controls button {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--icon-color);
    display: flex;
    align-items: center;
    transition: color 0.2s;
}

.vol-controls button:hover {
    color: var(--purple);
}

.vol-controls button svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 90px;
    height: 5px;
    background: rgba(255, 255, 255, 0.18);
    border-radius: 999px;
    cursor: pointer;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent-dynamic);
    cursor: pointer;
    box-shadow: 0 0 6px rgba(99, 102, 241, 0.6);
    transition: transform 0.15s;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.25);
}

.vol-pct {
    font-family: 'DM Mono', monospace;
    font-size: 0.7rem;
    min-width: 30px;
    text-align: right;
    color: var(--muted);
}

.heart-btn {
    color: var(--icon-color) !important;
}

.heart-btn:hover svg {
    fill: #ef4444;
    stroke: #ef4444 !important;

@keyframes pulse-play {
    0% {
        transform: translate(-50%, -50%) scale(1);
        box-shadow: 0 8px 32px rgba(99, 102, 241, 0.4);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.08);
        box-shadow: 0 14px 45px rgba(99, 102, 241, 0.7);
    }
    100% {
        transform: translate(-50%, -50%) scale(1);
        box-shadow: 0 8px 32px rgba(99, 102, 241, 0.4);
    }
}
    stroke: #ef4444 !important;
    color: #ef4444;
}

.heart-btn svg {
    fill: none;
    transition: fill 0.2s, stroke 0.2s;
}

/* App badges */
.app-badges {
    display: none;
    align-items: center;
    gap: 8px;
    border-left: 1px solid var(--border);
    padding-left: 1.2rem;
}

.app-badges img {
    height: 30px;
    cursor: pointer;
    opacity: 0.85;
    transition: opacity 0.2s;
    border-radius: 5px;
}

.app-badges img:hover {
    opacity: 1;
}

/* ===== RESPONSIVE ===== */
@media (min-width: 640px) {
    .app-badges {
        display: flex;
    }

    #btn-chat span {
        display: inline;
    }
}

@media (max-width: 480px) {

    /* Header más compacto */
    header {
        padding: 1rem 1.5rem;
    }

    /* Ajustar título principal */
    .hero-title {
        font-size: 2.2rem;
    }

    /* Ajustar tamaño de carátula */
    .cover-card {
        width: 65vw;
        max-width: 240px;
    }

    /* Botones flotantes */
    .social-sidebar {
        bottom: 5.5rem;
        left: 1rem;
        gap: 0.8rem;
    }

    #btn-chat {
        bottom: 5.5rem;
        right: 1rem;
        padding: 0.6rem 1rem;
        font-size: 0.8rem;
    }

    /* Footer: optimización de espacio */
    footer {
        padding: 0.7rem 1rem;
    }

    .mini-info img {
        display: none;
        /* Ocultar imagen en móvil */
    }

    .mini-info h4 {
        font-size: 0.8rem;
        max-width: 90px;
    }

    /* Controles de volumen compactos */
    .vol-controls {
        gap: 8px;
    }

    .vol-pct {
        display: none;
        /* Ocultar porcentaje numérico */
    }

    input[type="range"] {
        width: 60px;
    }

    /* Asegurar que el botón Play no sea demasiado grande */
    #btn-play {
        width: 48px;
        height: 48px;
    }

    #btn-play svg {
        width: 22px;
        height: 22px;
    }
}

/* ===== KEYFRAMES ===== */
@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.65;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes wavePath1 {

    0%,
    100% {
        d: path("M0,160L48,176C96,192,192,224,288,224C384,224,480,192,576,165.3C672,139,768,117,864,128C960,139,1056,181,1152,186.7C1248,192,1344,160,1392,144L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z");
    }

    50% {
        d: path("M0,160L48,144C96,128,192,96,288,106.7C384,117,480,171,576,186.7C672,203,768,181,864,165.3C960,149,1056,139,1152,149.3C1248,160,1344,192,1392,208L1440,224L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z");
    }
}

@keyframes wavePath2 {

    0%,
    100% {
        d: path("M0,224L48,213.3C96,203,192,181,288,181.3C384,181,480,203,576,224C672,245,768,267,864,250.7C960,235,1056,181,1152,165.3C1248,149,1344,171,1392,181.3L1440,192L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z");
    }

    50% {
        d: path("M0,224L48,240C96,256,192,288,288,272C384,256,480,192,576,181.3C672,171,768,213,864,229.3C960,245,1056,235,1152,208C1248,181,1344,139,1392,117.3L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z");
    }
}