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

:root {
    --primary: #ff3399;
    --secondary: #00e5ff;
    --accent: #ffcc00;
    --bg: #000;
    --text: #fff;
    --glass: rgba(0,0,0,0.6);
    --glass-border: rgba(255,255,255,0.1);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

html, body {
    width: 100%; height: 100%;
    overflow: hidden;
    background: #000;
    color: #fff;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
}

/* Canvas */
#visualizer {
    position: fixed;
    inset: 0;
    width: 100%; height: 100%;
    z-index: 0;
}

/* Loading */
.loading {
    position: fixed; inset: 0;
    z-index: 1000;
    background: #000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.8s;
}
.loading.fade-out { opacity: 0; pointer-events: none; }
.loading-logo {
    height: 120px;
    animation: pulse-logo 2s ease-in-out infinite;
}
@keyframes pulse-logo {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}
.loading-text {
    font-size: 24px; font-weight: 700;
    margin-top: 20px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.loading-bar {
    width: 200px; height: 3px;
    background: rgba(255,255,255,0.15);
    border-radius: 2px;
    margin-top: 24px;
    overflow: hidden;
}
.loading-bar-fill {
    width: 0%; height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
    transition: width 0.3s;
}
.loading-status {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    margin-top: 12px;
}

/* Center Logo */
.center-logo {
    position: fixed;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    pointer-events: none;
    opacity: 0.85;
    transition: opacity 0.3s;
}
.center-logo-img {
    width: 60vmin; height: 60vmin;
    object-fit: contain;
    border-radius: 16px;
}

/* HUD */
.hud {
    position: fixed; inset: 0;
    z-index: 10;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: env(safe-area-inset-top, 16px) env(safe-area-inset-right, 16px) env(safe-area-inset-bottom, 16px) env(safe-area-inset-left, 16px);
    transition: opacity 0.4s;
}
.hud.hidden-hud { opacity: 0; }

.hud-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 8px;
}
.hud-top-center {
    display: flex; gap: 8px; align-items: center;
}
.hud-top-right {
    display: flex; gap: 8px; align-items: center;
}

.hud-btn {
    pointer-events: auto;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    width: 44px; height: 44px;
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    cursor: pointer;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: background 0.2s, transform 0.15s;
}
.hud-btn:hover { background: rgba(255,255,255,0.15); }
.hud-btn:active { transform: scale(0.92); }
.hud-btn svg { width: 22px; height: 22px; }

.fav-indicator {
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    transition: opacity 0.3s;
}
.dj-badge {
    background: linear-gradient(135deg, var(--primary), #ff6600);
    border-radius: 12px;
    padding: 4px 12px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
}

.hud-bottom {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    padding: 8px;
}

.hud-bottom-left {
    display: flex; align-items: center; gap: 10px;
    pointer-events: auto;
}
.station-logo {
    height: 25px;
    border-radius: 8px;
}
.station-name {
    font-size: 13px;
    font-weight: 600;
    opacity: 0.7;
}

.hud-bottom-center {
    display: flex; align-items: center; gap: 12px;
    flex: 1;
    max-width: 500px;
    pointer-events: auto;
}

.play-btn {
    pointer-events: auto;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    width: 48px; height: 48px;
    min-width: 48px;
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    cursor: pointer;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: background 0.2s, transform 0.15s;
}
.play-btn:hover { background: rgba(255,255,255,0.15); }
.play-btn:active { transform: scale(0.92); }
.play-btn svg { width: 28px; height: 28px; }

.now-playing {
    display: flex; align-items: center; gap: 8px;
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 8px 16px;
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.now-playing-icon {
    display: flex; align-items: flex-end; gap: 2px;
    height: 16px; min-width: 14px;
}
.wave-bar {
    width: 3px;
    background: var(--primary);
    border-radius: 1px;
    animation: wave-bar 0.8s ease-in-out infinite alternate;
}
.wave-bar:nth-child(1) { height: 8px; animation-delay: 0s; }
.wave-bar:nth-child(2) { height: 14px; animation-delay: 0.15s; }
.wave-bar:nth-child(3) { height: 10px; animation-delay: 0.3s; }
@keyframes wave-bar {
    0% { transform: scaleY(0.4); }
    100% { transform: scaleY(1); }
}
.paused .wave-bar { animation: none; transform: scaleY(0.4); }

.marquee-container {
    flex: 1;
    overflow: hidden;
    white-space: nowrap;
    position: relative;
    min-width: 0;
}
.marquee-text {
    display: inline-block;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
}
.marquee-text.scrolling {
    animation: marquee var(--marquee-duration, 10s) linear infinite;
    animation-delay: 2s;
}
@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(-50% - 20px)); }
}

.hud-bottom-right {
    text-align: right;
    pointer-events: auto;
}
.mode-display {
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 8px 14px;
}
.mode-name { font-size: 14px; font-weight: 600; }
.submode-name { font-size: 12px; opacity: 0.6; }
.theme-name { font-size: 11px; opacity: 0.4; margin-top: 2px; }

/* Album Art */
.album-art {
    position: fixed;
    bottom: 80px; left: 16px;
    width: 60px; height: 60px;
    border-radius: 8px;
    z-index: 11;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
    object-fit: cover;
    transition: opacity 0.3s;
}

/* Settings Panel */
.settings-panel {
    position: fixed; inset: 0;
    z-index: 100;
    transition: opacity 0.3s;
}
.settings-panel.hidden { opacity: 0; pointer-events: none; }
.settings-backdrop {
    position: absolute; inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.settings-content {
    position: absolute;
    top: 0; right: 0;
    width: min(420px, 90vw);
    height: 100%;
    background: rgba(20,20,25,0.95);
    border-left: 1px solid var(--glass-border);
    overflow-y: auto;
    padding: 24px;
    transform: translateX(0);
    transition: transform 0.3s;
}
.settings-panel.hidden .settings-content {
    transform: translateX(100%);
}
.settings-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 24px;
}
.settings-header h2 { font-size: 22px; font-weight: 700; }
.settings-close {
    background: none; border: none; color: #fff;
    font-size: 28px; cursor: pointer;
    width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    transition: background 0.2s;
}
.settings-close:hover { background: rgba(255,255,255,0.1); }

.settings-section {
    margin-bottom: 28px;
}
.settings-section h3 {
    font-size: 14px; font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.5;
    margin-bottom: 12px;
}

.settings-toggle {
    display: flex; justify-content: space-between; align-items: center;
    padding: 10px 0;
    cursor: pointer;
    font-size: 15px;
}
.settings-toggle input { display: none; }
.toggle-slider {
    width: 44px; height: 24px;
    background: rgba(255,255,255,0.15);
    border-radius: 12px;
    position: relative;
    transition: background 0.2s;
}
.toggle-slider::after {
    content: '';
    position: absolute;
    top: 3px; left: 3px;
    width: 18px; height: 18px;
    background: #fff;
    border-radius: 50%;
    transition: transform 0.2s;
}
.settings-toggle input:checked + .toggle-slider {
    background: var(--primary);
}
.settings-toggle input:checked + .toggle-slider::after {
    transform: translateX(20px);
}

.settings-range {
    display: flex; align-items: center; gap: 12px;
    padding: 8px 0;
    font-size: 14px;
    cursor: pointer;
}
.settings-range span:first-child { flex: 1; }
.settings-range input[type="range"] {
    width: 120px;
    accent-color: var(--primary);
}
.range-val {
    width: 36px; text-align: right;
    font-size: 13px; opacity: 0.6;
}

.mode-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
}
.mode-grid button {
    background: rgba(255,255,255,0.06);
    border: 1px solid transparent;
    border-radius: 8px;
    padding: 10px 8px;
    color: #fff;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-align: left;
}
.mode-grid button:hover { background: rgba(255,255,255,0.1); }
.mode-grid button.active {
    background: rgba(255,51,153,0.15);
    border-color: var(--primary);
}
.mode-grid button .mode-sub {
    font-size: 11px; opacity: 0.5; display: block;
}

.theme-grid {
    display: flex; flex-wrap: wrap; gap: 8px;
}
.theme-grid button {
    width: 40px; height: 40px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}
.theme-grid button.active { border-color: #fff; transform: scale(1.15); }
.theme-grid button::after {
    content: attr(data-name);
    position: absolute;
    bottom: -18px; left: 50%;
    transform: translateX(-50%);
    font-size: 9px;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.2s;
}
.theme-grid button:hover::after { opacity: 1; }

.favorites-list {
    max-height: 200px;
    overflow-y: auto;
}
.no-favorites {
    font-size: 13px; opacity: 0.4;
    padding: 8px 0;
}
.fav-item {
    display: flex; justify-content: space-between; align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    font-size: 13px;
}
.fav-item button {
    background: none; border: none; color: var(--primary);
    cursor: pointer; font-size: 12px;
}

.help-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
}
.help-item {
    font-size: 13px;
    display: flex; align-items: center; gap: 6px;
    padding: 4px 0;
}
.help-item kbd {
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
    padding: 2px 6px;
    font-size: 11px;
    font-family: inherit;
    min-width: 24px;
    text-align: center;
}

.settings-footer {
    display: flex; justify-content: space-between; align-items: center;
    padding-top: 16px;
    border-top: 1px solid rgba(255,255,255,0.06);
    font-size: 12px; opacity: 0.4;
}
.settings-footer a { color: inherit; }

/* Toast */
.toast {
    position: fixed;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    background: var(--glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 16px 24px;
    font-size: 15px;
    font-weight: 600;
    z-index: 200;
    pointer-events: none;
    transition: opacity 0.3s;
    text-align: center;
}
.toast.hidden { opacity: 0; }

.hidden { display: none !important; }

/* Responsive */
@media (max-width: 600px) {
    .hud-bottom { flex-direction: column; align-items: stretch; gap: 8px; }
    .hud-bottom-left { display: none; }
    .hud-bottom-right { text-align: center; }
    .mode-display { display: inline-flex; gap: 8px; align-items: baseline; }
    .submode-name, .theme-name { margin-top: 0; }
    .help-grid { grid-template-columns: 1fr; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 2px; }