/* Custom Range Slider */
.custom-range {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: var(--color-border);
    border-radius: 6px;
    outline: none;
}

.custom-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(26, 188, 156, 0.5);
    transition: transform 0.1s;
}

.custom-range::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.custom-range::-webkit-slider-thumb:active {
    transform: scale(0.95);
}

/* Frequency Buttons */
.freq-btn {
    background-color: var(--color-base);
    border: 1px solid var(--color-border);
    color: var(--color-muted);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.2s;
}

.freq-btn:hover {
    background-color: var(--color-panel);
    color: var(--color-text);
}

.freq-btn.active {
    background-color: rgba(26, 188, 156, 0.1);
    /* theme-primary 10% */
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Scrollbar */
.custom-scrollbar::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

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

.custom-scrollbar::-webkit-scrollbar-thumb {
    background: rgba(26, 188, 156, 0.2);
    border-radius: 6px;
}

.custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: rgba(26, 188, 156, 0.5);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.anim-fade-in {
    animation: fadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes pop {
    0% {
        transform: scale(0.95);
        opacity: 0.8;
    }

    50% {
        transform: scale(1.02);
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.anim-pop {
    animation: pop 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}