/* Background Tab Styles */

/* Background toggle checkbox (used on Timer, Breathwork, Guided Sessions tabs) */
.background-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    padding-bottom: 4px;
}

.background-checkbox {
    width: 16px;
    height: 16px;
    accent-color: var(--brand-primary);
    cursor: pointer;
}

/* Soundtrack configuration styles */

.soundtrack-container {
    max-width: 600px;
    margin: 0 auto;
}

.soundtrack-container h2 {
    color: var(--text-primary);
    font-size: 1.3em;
    font-weight: 500;
    margin-bottom: 8px;
}

.soundtrack-description {
    color: var(--text-secondary);
    font-size: 0.9em;
    line-height: 1.5;
    margin-bottom: 24px;
}

.soundtrack-selection {
    margin-bottom: 20px;
}

.soundtrack-row {
    margin-bottom: 12px;
}

.soundtrack-row:last-child {
    margin-bottom: 0;
}

.soundtrack-row label {
    display: block;
    font-size: 1em;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 8px;
}

.soundtrack-select {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--surface-elevated);
    color: var(--text-primary);
    font-size: 16px;
    font-family: inherit;
    cursor: pointer;
    transition: border-color 0.3s ease;
}

.soundtrack-select:hover {
    border-color: var(--brand-primary);
}

.soundtrack-select:focus {
    outline: none;
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(var(--brand-primary-rgb, 102, 126, 234), 0.2);
}

.soundtrack-volume {
    margin-bottom: 20px;
}

.soundtrack-volume label {
    display: block;
    font-size: 1em;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 8px;
}

#soundtrack-volume-slider {
    width: 100%;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--border-color);
    border-radius: 3px;
    outline: none;
    margin: 10px 0 6px 0;
}

#soundtrack-volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--brand-primary);
    cursor: pointer;
    transition: transform 0.2s ease;
}

#soundtrack-volume-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

#soundtrack-volume-slider::-moz-range-thumb {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--brand-primary);
    cursor: pointer;
    border: none;
}

#soundtrack-volume-display {
    font-size: 0.9em;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
}

.soundtrack-controls {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.soundtrack-status {
    font-size: 0.9em;
    color: var(--text-secondary);
    font-style: italic;
}

.soundtrack-active-indicator {
    padding: 12px 16px;
    background: var(--surface-elevated);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    font-size: 0.9em;
}

.soundtrack-now-playing {
    color: var(--text-secondary);
    font-weight: 500;
    margin-right: 6px;
}

#soundtrack-now-playing-title {
    color: var(--text-primary);
    font-weight: 600;
}