.countdown-panel,
.waifu-panel,
.music-panel,
.social-icon {
    -webkit-mask-image: -webkit-radial-gradient(white, black); /* fix lỗi bo góc trên Safari */
}

.col-right {
    flex: 1.5;
    padding: 28px 28px 28px 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    justify-content: center;
    width: 100%;
    z-index: 300;
}

.panel-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--glow-primary);
    letter-spacing: 2px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
    opacity: 0.9;
}

/* Countdown panel */
.countdown-panel {
    background: var(--panel-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 32px;
    padding: 20px;
    border: 1px solid var(--border);
    box-shadow: inset 0 0 20px var(--hover-glow);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.countdown-panel:hover {
    box-shadow: inset 0 0 30px var(--hover-glow), 0 15px 35px var(--hover-glow), 0 0 15px var(--glow-primary);
    transform: translateY(-5px);
    border-color: var(--glow-primary);
}

.flip-clock {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
}

.flip-unit { text-align: center; width: 60px; }
.flip-unit span {
    display: block;
    font-size: 40px;
    font-weight: 900;
    color: #fff;
    text-shadow: 0 0 15px var(--glow-primary), 0 0 30px var(--glow-secondary);
    background: linear-gradient(180deg, rgba(255,255,255,0.2) 0%, rgba(0,0,0,0.5) 100%);
    border: 1px solid rgba(255,255,255,0.25);
    border-top: 1px solid rgba(255,255,255,0.5);
    box-shadow: inset 0 5px 15px rgba(255,255,255,0.15), 0 10px 25px rgba(0,0,0,0.3);
    padding: 8px 4px;
    border-radius: 14px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    font-family: 'Inter', monospace;
    position: relative;
    overflow: hidden;
}

.flip-unit span::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: rgba(0,0,0,0.2);
    box-shadow: 0 1px 0 rgba(255,255,255,0.1);
}

.flip-unit span:hover {
    transform: scale(1.12) translateY(-4px);
    text-shadow: 0 0 25px #fff, 0 0 50px var(--glow-primary);
    box-shadow: inset 0 2px 20px rgba(255,255,255,0.4), 0 20px 40px var(--hover-glow);
    border-color: #fff;
}

.flip-unit small {
    font-size: 10px;
    color: var(--text-secondary);
    display: block;
    margin-top: 6px;
    letter-spacing: 1.5px;
}

.flip-sep {
    font-size: 34px;
    color: var(--glow-primary);
    margin-top: -10px;
    animation: pulseDot 1.2s infinite;
    text-shadow: 0 0 15px var(--glow-primary);
}

@keyframes pulseDot { 0%,100%{opacity:1} 50%{opacity:0.3} }

/* Waifu panel */
.waifu-panel {
    background: var(--panel-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 32px;
    padding: 20px;
    border: 1px solid var(--border);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.waifu-panel:hover {
    box-shadow: 0 15px 35px var(--hover-glow), 0 0 15px var(--glow-primary);
    transform: translateY(-5px);
    border-color: var(--glow-primary);
}

.waifu-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.waifu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: linear-gradient(135deg, rgba(255,255,255,0.05), rgba(255,255,255,0));
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.08); /* Viền kính 3D */
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.waifu-item:hover {
    background: linear-gradient(135deg, rgba(255,255,255,0.15), rgba(255,255,255,0.05));
    border-color: rgba(255,255,255,0.4);
    transform: translateX(10px) scale(1.03) rotateY(-5deg) rotateX(2deg);
    box-shadow: -10px 15px 30px rgba(0,0,0,0.2), 0 0 25px var(--hover-glow);
    z-index: 10;
}

.waifu-item::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 50%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transform: skewX(-20deg);
    transition: left 0.6s;
}

.waifu-item:hover::before {
    left: 200%;
}

.waifu-rank {
    font-size: 18px;
    font-weight: 800;
    color: var(--glow-primary);
    text-shadow: 0 0 10px var(--glow-primary);
    min-width: 40px;
    text-align: center;
}

.waifu-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.waifu-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.3px;
}

.waifu-bar {
    width: 100%;
    height: 6px;
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
    overflow: hidden;
}

.waifu-fill {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 10px;
    box-shadow: 0 0 15px var(--glow-secondary);
    transition: width 1s cubic-bezier(0.2, 0.8, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.waifu-fill::after {
    content: '';
    position: absolute;
    top: 0; bottom: 0;
    left: 0; right: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.6), transparent);
    animation: barShimmer 2s linear infinite;
}

@keyframes barShimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.rank-1 .waifu-fill {
    background: linear-gradient(90deg, #fbbf24, #f59e0b);
    box-shadow: 0 0 15px #fbbf24;
}
.rank-2 .waifu-fill {
    background: linear-gradient(90deg, #94a3b8, #64748b);
    box-shadow: 0 0 12px #94a3b8;
}
.rank-3 .waifu-fill {
    background: linear-gradient(90deg, #b45309, #92400e);
    box-shadow: 0 0 12px #b45309;
}

.waifu-item i {
    font-size: 20px;
    filter: drop-shadow(0 0 8px currentColor);
    transition: transform 0.3s;
}

.waifu-item:hover i {
    transform: scale(1.2) rotate(5deg);
}

/* Icon colors & animations */
.moon-icon { color: #fcd34d; }
.angel-icon { color: #fbcfe8; }
.cat-icon { color: #fdba74; }
.pulse-heart { color: #fb7185; animation: heartBeat 1.2s infinite; }

@keyframes heartBeat { 0%,100%{transform:scale(1)} 50%{transform:scale(1.2)} }

/* Music player */
.music-panel {
    background: var(--panel-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 32px;
    padding: 22px;
    border: 1px solid var(--border);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.music-panel:hover {
    box-shadow: inset 0 0 30px var(--hover-glow), 0 15px 35px var(--hover-glow), 0 0 15px var(--glow-primary);
    transform: translateY(-5px);
    border-color: var(--glow-primary);
}

.track-header { display: flex; align-items: center; gap: 16px; margin-bottom: 12px; }

#frequency-vis {
    width: 60px;
    height: 36px;
    border-radius: 12px;
    background: rgba(0,0,0,0.3);
    box-shadow: 0 0 15px var(--glow-primary);
    transition: box-shadow 0.3s;
}

.track-marquee { flex: 1; white-space: nowrap; overflow: hidden; }

.track-title {
    display: inline-block;
    font-size: 15px;
    font-weight: 600;
    color: var(--glow-primary);
    text-shadow: 0 0 10px var(--glow-primary);
    animation: slideMarquee 12s linear infinite;
}

@keyframes slideMarquee {
    0% { transform: translateX(0); }
    20% { transform: translateX(0); }
    100% { transform: translateX(-100%); }
}

.time-track { text-align: right; font-size: 11px; color: var(--text-secondary); margin-bottom: 8px; letter-spacing: 0.5px; }
#current-time, #total-time { color: var(--glow-primary); font-weight: 600; margin: 0 3px; }

.seek-area {
    position: relative;
    width: 100%;
    height: 6px;
    background: rgba(255,255,255,0.08);
    border-radius: 12px;
    cursor: pointer;
    margin-bottom: 18px;
    overflow: visible;
    transition: background 0.2s;
}

.seek-area:hover { background: rgba(255,255,255,0.15); }

.seek-bar {
    width: 0%;
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 12px;
    box-shadow: 0 0 15px var(--glow-primary);
    transition: width 0.05s;
    position: relative;
}

.seek-tooltip {
    position: absolute;
    top: -35px;
    background: var(--card-bg);
    color: var(--text-primary);
    padding: 6px 12px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    border: 1px solid var(--border);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
    white-space: nowrap;
    box-shadow: 0 0 15px var(--hover-glow);
    backdrop-filter: blur(5px);
}

.seek-area:hover .seek-tooltip { opacity: 1; }

.player-controls { display: flex; align-items: center; gap: 20px; }

.ctrl {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s;
    padding: 8px;
}

.ctrl:hover {
    color: var(--glow-primary);
    transform: scale(1.2);
    text-shadow: 0 0 15px var(--glow-primary);
}

.play-circle {
    width: 50px;
    height: 50px;
    background: var(--accent-gradient);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 25px var(--glow-primary);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    cursor: pointer;
}

.play-circle:hover {
    transform: scale(1.15);
    box-shadow: 0 0 45px var(--glow-primary);
}

.volume-dock { margin-left: auto; display: flex; align-items: center; gap: 10px; color: var(--text-secondary); font-size: 14px; }

input[type=range] {
    width: 85px;
    height: 5px;
    -webkit-appearance: none;
    background: var(--accent-gradient);
    border-radius: 5px;
    outline: none;
}

input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    background: white;
    border-radius: 50%;
    border: 2px solid var(--glow-primary);
    box-shadow: 0 0 15px var(--glow-primary);
    cursor: pointer;
    transition: 0.2s;
}

input[type=range]::-webkit-slider-thumb:hover { transform: scale(1.2); }

.audio-alert {
    color: #f87171;
    font-size: 11px;
    margin-top: 10px;
    text-align: center;
    letter-spacing: 1px;
    background: rgba(0,0,0,0.3);
    padding: 6px;
    border-radius: 20px;
    border: 1px solid #f87171;
}

.hidden { display: none; }