/* Custom Styles */
body {
    font-family: 'Inter', sans-serif;
    -webkit-font-smoothing: antialiased;
}

.nav-btn {
    color: #6B7280;
    transition: all 0.3s ease;
}

.nav-btn:hover {
    color: #0F4C5C;
    background-color: #E9F5F8;
}

.nav-btn.active {
    color: #0F4C5C;
    background-color: #E9F5F8;
}

.view {
    transition: opacity 0.5s ease-in-out;
}

.hidden {
    display: none;
}

/* Custom range slider styling */
input[type='range']::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    background: #2DD4BF;
    border-radius: 50%;
    cursor: pointer;
}

input[type='range']::-moz-range-thumb {
    width: 12px;
    height: 12px;
    background: #2DD4BF;
    border-radius: 50%;
    cursor: pointer;
}

#visualizer div {
    transition: all 0.5s ease;
    min-height: 8px;
}

.timer-opt.active {
    background-color: #F0FDFA;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(15, 76, 92, 0.1);
}

.timer-opt:active {
    transform: scale(0.95);
}

/* Glassmorphism for player */
.player-glass {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.custom-scrollbar::-webkit-scrollbar {
    width: 4px;
}

.custom-scrollbar::-webkit-scrollbar-track {
    background: transparent;
}

.custom-scrollbar::-webkit-scrollbar-thumb {
    background: #E9F5F8;
    border-radius: 10px;
}

.custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: #0F4C5C;
}