:root {
    color-scheme: dark;
    --bg-gradient: linear-gradient(135deg, #090b1a 0%, #1c2540 35%, #2a2f4f 100%);
    --card-bg: rgba(22, 28, 45, 0.85);
    --accent: #7c6cf2;
    --accent-strong: #b49cff;
    --text-primary: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.68);
    --border-soft: rgba(255, 255, 255, 0.08);
    --shadow-elevate: 0 32px 60px -30px rgba(12, 13, 26, 0.9);
    --radius-lg: 24px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: 'Manrope', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-primary);
    background: var(--bg-gradient);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 3rem 1.5rem;
}

main.page {
    width: min(1200px, 100%);
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    padding-bottom: 2rem;
}

.branding {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.branding__logo {
    font-size: clamp(2rem, 2.7vw, 3rem);
    font-weight: 700;
    letter-spacing: 0.04em;
    display: flex;
    align-items: baseline;
    gap: 0.35em;
}

.branding__logo span {
    font-weight: 600;
    color: var(--accent-strong);
}

.branding__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    color: var(--text-muted);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    background: rgba(124, 108, 242, 0.15);
    color: var(--accent-strong);
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.player-card {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
    gap: 2rem;
    background: var(--card-bg);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    backdrop-filter: blur(18px);
    box-shadow: var(--shadow-elevate);
    position: relative;
    overflow: hidden;
}

.player-card__media {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.player-card__meta {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    justify-content: center;
}

.player-card__empty {
    padding: 3rem;
    border-radius: var(--radius-lg);
    border: 1px dashed var(--border-soft);
    background-color: rgba(10, 12, 20, 0.4);
    text-align: center;
    color: var(--text-muted);
}

.player-card__empty h2 {
    margin: 0 0 0.8rem;
    color: var(--text-primary);
}

.player {
    width: 100%;
    border-radius: calc(var(--radius-lg) - 6px);
    border: 1px solid rgba(255, 255, 255, 0.07);
    background-color: #000;
    box-shadow: 0 20px 35px -25px rgba(0, 0, 0, 0.6);
}

.player-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.75rem 1rem;
    border-radius: calc(var(--radius-lg) - 12px);
    border: 1px solid var(--border-soft);
    background: rgba(12, 17, 29, 0.85);
    flex-wrap: wrap;
}

.quality-control {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.45rem 0.8rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.06);
}

.quality-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.quality-select {
    appearance: none;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 10px;
    padding: 0.35rem 2rem 0.35rem 0.75rem;
    background: rgba(9, 11, 22, 0.85) url("data:image/svg+xml,%3Csvg width='10' height='6' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23b49cff' stroke-width='1.4' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 0.65rem center/10px 6px;
    color: var(--text-primary);
    font-weight: 600;
    cursor: pointer;
    min-width: 7rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.quality-select:hover {
    border-color: rgba(180, 156, 255, 0.5);
}

.quality-select:focus-visible {
    outline: 2px solid rgba(124, 108, 242, 0.4);
    outline-offset: 2px;
}

.control-btn {
    appearance: none;
    border: none;
    border-radius: 14px;
    padding: 0.7rem 1.3rem;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    box-shadow: 0 18px 35px -20px rgba(124, 108, 242, 0.85);
}

.control-btn:hover,
.control-btn:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px -18px rgba(180, 156, 255, 0.9);
}

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

.control-btn:focus-visible {
    outline: 2px solid rgba(124, 108, 242, 0.35);
    outline-offset: 3px;
}

.icon {
    width: 1.15rem;
    height: 1.15rem;
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.icon--fullscreen::before,
.icon--fullscreen::after {
    content: '';
    position: absolute;
    border: 2px solid currentColor;
    width: 100%;
    height: 100%;
    border-radius: 3px;
}

.icon--fullscreen::after {
    width: 55%;
    height: 55%;
    transform: rotate(45deg);
}

.quality-indicator {
    margin-left: auto;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.title {
    margin: 0;
    font-size: clamp(2rem, 2.2vw, 2.75rem);
    font-weight: 700;
}

.description {
    margin: 0;
    color: var(--text-muted);
    line-height: 1.65;
}

.meta-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.75rem;
}

.meta-list li {
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
    color: var(--text-muted);
}

.meta-list strong {
    color: var(--text-primary);
    font-weight: 600;
}

.page-footer {
    text-align: center;
    color: rgba(255, 255, 255, 0.45);
    font-size: 0.85rem;
    letter-spacing: 0.03em;
}

.page-footer p {
    margin: 0;
}

@media (max-width: 960px) {
    body {
        padding: 2rem 1.25rem;
    }

    .player-card {
        grid-template-columns: 1fr;
        padding: 2rem;
        gap: 1.75rem;
    }

    .player-card__meta {
        order: -1;
        text-align: center;
        align-items: center;
    }

    .player-card__meta .title {
        max-width: 24ch;
    }
}

@media (max-width: 640px) {
    .branding__meta {
        flex-direction: column;
        align-items: flex-start;
    }

    .player-controls {
        flex-direction: column;
        align-items: stretch;
        padding: 0.9rem;
        gap: 0.75rem;
    }

    .quality-control {
        width: 100%;
        justify-content: space-between;
    }

    .quality-select {
        min-width: 0;
        flex: 0 0 auto;
    }

    .quality-indicator {
        margin-left: 0;
        text-align: center;
    }

    .player-card {
        padding: 1.75rem 1.5rem;
    }

    .control-btn {
        width: 100%;
        justify-content: center;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    body {
        padding: 1.5rem 1rem;
    }

    main.page {
        gap: 2rem;
    }

    .branding__logo {
        font-size: clamp(1.75rem, 9vw, 2.25rem);
    }

    .player-card {
        border-radius: 18px;
        padding: 1.5rem 1.25rem;
        gap: 1.25rem;
    }

    .player {
        border-radius: 14px;
    }

    .player-controls {
        border-radius: 16px;
    }

    .quality-control {
        padding: 0.4rem 0.65rem;
    }

    .meta-list li {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.35rem;
    }

    .description {
        font-size: 0.95rem;
    }
}