:root {
    --bg-primary: #0a0a12;
    --bg-secondary: #12121e;
    --bg-card: #181828;
    --bg-input: #1e1e30;
    --bg-hover: #222238;
    --accent: #d4912a;
    --accent-light: #e6a33c;
    --accent-dark: #b87a1e;
    --accent-glow: rgba(212, 145, 42, 0.25);
    --accent-subtle: rgba(212, 145, 42, 0.08);
    --text-primary: #e8e6e3;
    --text-secondary: #8a89a0;
    --text-muted: #9a99b0;
    --border: #2a2a40;
    --border-light: #35354d;
    --danger: #d94848;
    --danger-hover: #e55a5a;
    --success: #3cb371;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --transition: 180ms ease;
}

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 15px;
}

body {
    font-family:
        'Inter',
        -apple-system,
        BlinkMacSystemFont,
        'Segoe UI',
        Roboto,
        sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 0%, rgba(212, 145, 42, 0.04) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 100%, rgba(80, 50, 140, 0.04) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}

::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--border-light);
}

.app {
    position: relative;
    z-index: 1;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 24px 40px;
}

/* ============ HEADER ============ */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    filter: drop-shadow(0 0 8px var(--accent-glow));
}

.logo-text h1 {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-subtitle {
    font-size: 0.73rem;
    color: var(--text-secondary);
    font-weight: 400;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.logo-credit {
    font-size: 0.68rem;
    color: var(--text-secondary);
    font-weight: 400;
    font-style: italic;
}

.header-eq {
    display: flex;
    align-items: flex-end;
    gap: 3px;
    height: 24px;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.header-eq.active {
    opacity: 1;
}

.header-eq span {
    display: block;
    width: 3px;
    background: var(--accent);
    border-radius: 2px;
    animation: none;
}

.header-eq.active span {
    animation: eq-bar 0.8s ease-in-out infinite alternate;
}

.header-eq span:nth-child(1) {
    height: 8px;
    animation-delay: 0s;
}
.header-eq span:nth-child(2) {
    height: 16px;
    animation-delay: 0.15s;
}
.header-eq span:nth-child(3) {
    height: 12px;
    animation-delay: 0.3s;
}
.header-eq span:nth-child(4) {
    height: 20px;
    animation-delay: 0.1s;
}
.header-eq span:nth-child(5) {
    height: 10px;
    animation-delay: 0.25s;
}

@keyframes eq-bar {
    0% {
        transform: scaleY(0.3);
    }
    100% {
        transform: scaleY(1);
    }
}

/* ============ URL BAR ============ */
.url-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.url-input-wrapper {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
}

.url-icon {
    position: absolute;
    left: 14px;
    width: 20px;
    height: 20px;
    color: var(--text-muted);
    pointer-events: none;
    transition: color var(--transition);
}

.url-input-wrapper:focus-within .url-icon {
    color: var(--accent);
}

#urlInput {
    width: 100%;
    padding: 13px 16px 13px 44px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.93rem;
    outline: none;
    transition:
        border-color var(--transition),
        box-shadow var(--transition);
}

#urlInput::placeholder {
    color: var(--text-muted);
}

#urlInput:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.btn-primary {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 24px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #0d0d14;
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.93rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
    box-shadow: 0 0 20px var(--accent-glow);
    transform: translateY(-1px);
}

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

.btn-primary svg {
    flex-shrink: 0;
}

/* ============ MAIN LAYOUT ============ */
.main-content {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 20px;
    align-items: start;
}

/* ============ PLAYER SECTION ============ */
.player-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.player-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #000;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
}

.player-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10;
    cursor: pointer;
}

.player-wrapper iframe,
.player-wrapper #ytplayer,
.player-placeholder {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.player-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
}

.placeholder-content {
    text-align: center;
    color: var(--text-muted);
}

/* ============ EMBED BLOCKED FALLBACK ============ */
.embed-blocked {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    z-index: 10;
}

.embed-blocked-inner {
    text-align: center;
    padding: 24px;
    max-width: 380px;
}

.embed-blocked-inner svg {
    color: var(--danger);
    margin-bottom: 14px;
    opacity: 0.8;
}

.embed-blocked-inner h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.embed-blocked-inner p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-bottom: 18px;
    line-height: 1.5;
}

.btn-open-yt {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: #c00;
    color: #fff;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition);
}

.btn-open-yt:hover {
    background: #e00;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(200, 0, 0, 0.3);
}

.embed-blocked-hint {
    display: block;
    margin-top: 16px;
    font-size: 0.72rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.placeholder-content svg {
    margin-bottom: 16px;
    opacity: 0.5;
}

.placeholder-content p {
    font-size: 0.95rem;
    font-weight: 500;
}

/* ============ TRANSPORT CONTROLS ============ */
.transport-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 8px 16px;
}

.transport-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition);
    flex-shrink: 0;
}

.transport-btn:hover {
    background: var(--accent);
    color: #0d0d14;
    border-color: var(--accent);
}

.transport-sm {
    width: 32px;
    height: 32px;
}

.transport-divider {
    width: 1px;
    height: 24px;
    background: var(--border);
    margin: 0 4px;
    flex-shrink: 0;
}

.volume-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100px;
    height: 4px;
    background: var(--bg-input);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
    border: none;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    background: var(--text-primary);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition);
}

.volume-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    background: var(--accent);
}

.volume-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background: var(--text-primary);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.volume-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    min-width: 24px;
    text-align: center;
    font-variant-numeric: tabular-nums;
}

/* ============ CONTROLS PANEL ============ */
.controls-panel {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.control-group {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
}

.control-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.control-title {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
}

.control-title h3 {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
}

.control-title svg {
    color: var(--accent);
    opacity: 0.8;
}

.control-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ============ BUTTONS ============ */
.btn-sm {
    padding: 5px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-sm:hover {
    background: var(--accent);
    color: #0d0d14;
    border-color: var(--accent);
}

.btn-accent {
    background: var(--accent-subtle);
    border-color: rgba(212, 145, 42, 0.3);
    color: var(--accent-light);
}

.btn-accent:hover {
    background: var(--accent);
    color: #0d0d14;
    border-color: var(--accent);
}

.btn-ghost {
    background: transparent;
    border-color: transparent;
    color: var(--text-muted);
}

.btn-ghost:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border);
}

.btn-danger:hover {
    background: var(--danger);
    color: #fff;
    border-color: var(--danger);
}

/* ============ TOGGLE ============ */
.toggle {
    position: relative;
    display: inline-flex;
    cursor: pointer;
}

.toggle input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-track {
    width: 38px;
    height: 20px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 12px;
    position: relative;
    transition: all var(--transition);
}

.toggle-thumb {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 14px;
    height: 14px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: all var(--transition);
}

.toggle input:checked + .toggle-track {
    background: var(--accent);
    border-color: var(--accent);
}

.toggle input:checked + .toggle-track .toggle-thumb {
    left: 20px;
    background: #0d0d14;
}

/* ============ LOOP TIMELINE ============ */
.loop-timeline {
    user-select: none;
}

.loop-track {
    position: relative;
    height: 40px;
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    cursor: pointer;
    overflow: visible;
    border: 1px solid var(--border);
    background-image: repeating-linear-gradient(
        90deg,
        transparent,
        transparent 3px,
        rgba(255, 255, 255, 0.015) 3px,
        rgba(255, 255, 255, 0.015) 4px
    );
}

.loop-region {
    position: absolute;
    top: 0;
    bottom: 0;
    background: var(--accent-subtle);
    border-left: 2px solid var(--accent);
    border-right: 2px solid var(--accent);
    pointer-events: none;
    transition: opacity var(--transition);
}

.loop-region.disabled {
    opacity: 0.2;
}

.loop-playhead {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--text-primary);
    box-shadow: 0 0 6px rgba(255, 255, 255, 0.3);
    pointer-events: none;
    z-index: 3;
    left: 0;
    transition: left 0.1s linear;
}

.loop-thumb {
    position: absolute;
    top: -4px;
    width: 14px;
    height: 48px;
    cursor: ew-resize;
    z-index: 4;
    transform: translateX(-50%);
}

.loop-thumb::before {
    content: '';
    position: absolute;
    top: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 40px;
    background: var(--accent);
    border-radius: 3px;
    transition: all var(--transition);
    box-shadow: 0 0 8px var(--accent-glow);
}

.loop-thumb:hover::before,
.loop-thumb.dragging::before {
    width: 8px;
    background: var(--accent-light);
    box-shadow: 0 0 14px var(--accent-glow);
}

.thumb-label {
    position: absolute;
    bottom: calc(100% + 4px);
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent);
    background: var(--bg-card);
    padding: 2px 6px;
    border-radius: 4px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
    border: 1px solid var(--border);
}

.loop-thumb:hover .thumb-label,
.loop-thumb.dragging .thumb-label {
    opacity: 1;
}

.loop-time-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: 8px;
    font-size: 0.82rem;
    font-variant-numeric: tabular-nums;
    color: var(--text-secondary);
}

.loop-time-display .time-separator {
    color: var(--text-muted);
}

/* ============ SPEED SLIDER ============ */
.speed-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    background: var(--accent-subtle);
    border: 1px solid rgba(212, 145, 42, 0.2);
    border-radius: var(--radius-sm);
    color: var(--accent-light);
    font-size: 0.85rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    min-width: 50px;
    justify-content: center;
}

.speed-slider-wrapper {
    position: relative;
}

.speed-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: var(--bg-input);
    border-radius: 3px;
    outline: none;
    border: 1px solid var(--border);
    cursor: pointer;
}

.speed-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    border: 3px solid var(--bg-card);
    box-shadow: 0 0 10px var(--accent-glow);
    transition: all var(--transition);
}

.speed-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 16px var(--accent-glow);
}

.speed-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    border: 3px solid var(--bg-card);
    box-shadow: 0 0 10px var(--accent-glow);
}

.speed-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    padding: 0 2px;
}

.speed-labels span {
    font-size: 0.68rem;
    color: var(--text-muted);
    font-weight: 500;
    cursor: pointer;
    transition: color var(--transition);
    font-variant-numeric: tabular-nums;
}

.speed-labels span:hover {
    color: var(--text-secondary);
}

.speed-labels span.active {
    color: var(--accent);
    font-weight: 700;
}

/* ============ METRONOME ============ */
.metronome-control {
    padding: 16px 20px;
}

.metro-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.metro-bpm-display {
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.metro-bpm-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
    font-variant-numeric: tabular-nums;
    min-width: 80px;
}

.metro-bpm-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.metro-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.metro-play-btn {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--accent);
    border: none;
    color: #0d0d14;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: 0 0 12px var(--accent-glow);
}

.metro-play-btn:hover {
    background: var(--accent-light);
    transform: scale(1.08);
    box-shadow: 0 0 20px var(--accent-glow);
}

.metro-play-btn.active {
    background: var(--danger);
    box-shadow: 0 0 12px rgba(217, 72, 72, 0.3);
}

.metro-play-btn.active:hover {
    background: var(--danger-hover);
    box-shadow: 0 0 20px rgba(217, 72, 72, 0.4);
}

.metro-slider-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.metro-adj-btn {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--accent);
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition);
    flex-shrink: 0;
    line-height: 1;
}

.metro-adj-btn:hover {
    background: var(--accent);
    color: #0d0d14;
    border-color: var(--accent);
}

.metro-slider {
    -webkit-appearance: none;
    appearance: none;
    flex: 1;
    height: 6px;
    background: var(--bg-input);
    border-radius: 3px;
    outline: none;
    border: 1px solid var(--border);
    cursor: pointer;
}

.metro-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    border: 3px solid var(--bg-card);
    box-shadow: 0 0 8px var(--accent-glow);
    transition: all var(--transition);
}

.metro-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.metro-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    border: 3px solid var(--bg-card);
    box-shadow: 0 0 8px var(--accent-glow);
}

.metro-vol-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
}

.metro-beat-dots {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 12px;
}

.metro-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    transition: all 0.08s ease;
}

.metro-dot.flash {
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent-glow);
    border-color: var(--accent);
}

.metro-dot.flash-down {
    background: var(--accent-dark);
    box-shadow: 0 0 6px var(--accent-glow);
    border-color: var(--accent-dark);
}

/* ============ PROGRESSIVE TEMPO ============ */
.prog-tempo {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
}

.prog-tempo-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.prog-tempo-body {
    display: none;
}

.prog-tempo-body.open {
    display: block;
}

.prog-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.prog-bpm-row {
    justify-content: flex-start;
    gap: 14px;
}

.prog-bpm-group {
    display: flex;
    align-items: center;
    gap: 0;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
}

.prog-bpm-tag {
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.58rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    background: var(--bg-card);
    padding: 0 6px;
    line-height: 1;
}

.prog-adj {
    width: 32px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--accent);
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition);
}

.prog-adj:hover {
    background: var(--accent);
    color: #0d0d14;
}

.prog-bpm-val {
    min-width: 44px;
    text-align: center;
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
    padding: 0 4px;
    line-height: 36px;
    user-select: none;
}

.prog-arrow {
    color: var(--text-muted);
    flex-shrink: 0;
}

.prog-select {
    flex: 1;
    padding: 6px 8px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 500;
    outline: none;
    cursor: pointer;
    transition: border-color var(--transition);
}

.prog-select:focus {
    border-color: var(--accent);
}

.prog-progress-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 4px;
}

.prog-progress-bar {
    flex: 1;
    height: 6px;
    background: var(--bg-input);
    border-radius: 3px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.prog-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-dark), var(--accent-light));
    border-radius: 3px;
    width: 0%;
    transition: width 0.3s ease;
}

.prog-progress-text {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--accent);
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
    min-width: 70px;
    text-align: right;
}

/* ============ KEYBOARD HINTS ============ */
.keyboard-hints {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    padding: 10px 0;
    justify-content: center;
}

.keyboard-hints span {
    font-size: 0.72rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 5px;
}

kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 20px;
    padding: 0 5px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* ============ PLAYLIST SIDEBAR ============ */
.playlist-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 160px);
    position: sticky;
    top: 20px;
}

.playlist-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    flex-wrap: wrap;
    gap: 8px;
}

.playlist-actions {
    display: flex;
    gap: 4px;
}

.playlist-header h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
}

.playlist-header h3 svg {
    color: var(--accent);
    opacity: 0.8;
}

.playlist-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.playlist-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    text-align: center;
    color: var(--text-muted);
}

.playlist-empty svg {
    margin-bottom: 12px;
    opacity: 0.4;
}

.playlist-empty p {
    font-size: 0.88rem;
    font-weight: 500;
    margin-bottom: 4px;
    color: var(--text-secondary);
}

.playlist-empty span {
    font-size: 0.76rem;
}

/* ============ PLAYLIST ITEM ============ */
.playlist-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
    border: 1px solid transparent;
}

.playlist-item.dragging {
    opacity: 0.4;
    border: 1px dashed var(--accent);
    background: var(--accent-subtle);
}

.playlist-item.drag-over {
    border-top: 2px solid var(--accent);
}

.playlist-item-grip {
    flex-shrink: 0;
    width: 16px;
    text-align: center;
    cursor: grab;
    color: var(--text-muted);
    font-size: 0.9rem;
    letter-spacing: -1px;
    opacity: 0;
    transition:
        opacity var(--transition),
        color var(--transition);
    user-select: none;
}

.playlist-item:hover .playlist-item-grip {
    opacity: 1;
}

.playlist-item-grip:hover {
    color: var(--accent);
}

.playlist-item-grip:active {
    cursor: grabbing;
}

.playlist-item:hover {
    background: var(--bg-hover);
    border-color: var(--border);
}

.playlist-item.active {
    background: var(--accent-subtle);
    border-color: rgba(212, 145, 42, 0.2);
}

.playlist-item-thumb {
    width: 80px;
    height: 45px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    flex-shrink: 0;
    background: var(--bg-input);
}

.playlist-item-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
}

.playlist-item-title {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.3;
}

.playlist-item-meta {
    display: flex;
    gap: 10px;
    font-size: 0.68rem;
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
}

.playlist-item-meta span {
    display: flex;
    align-items: center;
    gap: 3px;
}

.playlist-item-remove {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 4px;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.85rem;
    line-height: 1;
    opacity: 0;
    transition: all var(--transition);
}

.playlist-item:hover .playlist-item-remove {
    opacity: 1;
}

.playlist-item-remove:hover {
    background: var(--danger);
    color: #fff;
}

/* ============ FOOTER ============ */
.app-footer {
    text-align: center;
    padding: 24px 0 8px;
    margin-top: 32px;
    border-top: 1px solid var(--border);
    font-size: 0.72rem;
    color: var(--text-muted);
    letter-spacing: 0.02em;
}

/* ============ TOAST ============ */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 10px 18px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.82rem;
    font-weight: 500;
    box-shadow: var(--shadow-md);
    animation: toast-in 0.3s ease forwards;
    display: flex;
    align-items: center;
    gap: 8px;
}

.toast.toast-out {
    animation: toast-out 0.3s ease forwards;
}

.toast-accent {
    border-left: 3px solid var(--accent);
}
.toast-danger {
    border-left: 3px solid var(--danger);
}
.toast-success {
    border-left: 3px solid var(--success);
}

@keyframes toast-in {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes toast-out {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(30px);
    }
}

/* ============ REDUCED MOTION ============ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============ RESPONSIVE ============ */
@media (max-width: 960px) {
    .main-content {
        grid-template-columns: 1fr;
    }

    .playlist-section {
        position: static;
        max-height: 400px;
    }

    .keyboard-hints {
        display: none;
    }
}