/**
 * Ambient Reading Player — Styles
 * ================================
 * Desktop: flex item inside floating action bar (between Listen + Learning Tools)
 * Mobile: row inside bottom Learning Tools dropdown
 */

/* =========================================
   Desktop Control (inside floating action bar)
   ========================================= */

.ambient-control {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 1rem;
    border-radius: 30px;
    border: 1px solid rgba(196, 148, 58, 0.2);
    background: transparent;
    font-size: 0.85rem;
    height: 38px;
    box-sizing: border-box;
    transition: border-color 0.2s;
    flex-shrink: 0;
}

.ambient-control:hover {
    border-color: rgba(196, 148, 58, 0.4);
}

.ambient-control.active {
    border-color: rgba(196, 148, 58, 0.4);
}

/* =========================================
   Shared Elements (desktop + mobile)
   ========================================= */

.ambient-icon {
    font-size: 1rem;
    color: var(--cream, #E8DCC4);
    opacity: 0.6;
    line-height: 1;
    flex-shrink: 0;
}

.ambient-control.active .ambient-icon,
.ambient-control-mobile.active .ambient-icon {
    color: var(--gold-primary, #C4943A);
    opacity: 1;
    animation: ambient-pulse 2s ease-in-out infinite;
}

@keyframes ambient-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.9); }
}

.ambient-label {
    color: var(--cream, #E8DCC4);
    opacity: 0.7;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 160px;
}

.ambient-control.active .ambient-label,
.ambient-control-mobile.active .ambient-label {
    opacity: 0.9;
}

.ambient-skip {
    display: none;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--cream, #E8DCC4);
    opacity: 0.5;
    cursor: pointer;
    font-size: 0.75rem;
    padding: 2px;
    line-height: 1;
    transition: opacity 0.15s, color 0.15s;
}

.ambient-skip:hover {
    opacity: 1;
    color: var(--gold-primary, #C4943A);
}

.ambient-control.active .ambient-skip,
.ambient-control-mobile.active .ambient-skip {
    display: inline-flex;
}

/* =========================================
   Toggle Switch
   ========================================= */

.ambient-toggle-btn {
    display: inline-flex;
    align-items: center;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    flex-shrink: 0;
}

.ambient-switch-track {
    position: relative;
    width: 32px;
    height: 18px;
    background: rgba(232, 220, 196, 0.15);
    border-radius: 9px;
    transition: background 0.2s;
}

.ambient-toggle-btn[aria-checked="true"] .ambient-switch-track {
    background: var(--gold-primary, #C4943A);
}

.ambient-switch-thumb {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 14px;
    height: 14px;
    background: var(--cream, #E8DCC4);
    border-radius: 50%;
    transition: transform 0.2s;
}

.ambient-toggle-btn[aria-checked="true"] .ambient-switch-thumb {
    transform: translateX(14px);
}

/* =========================================
   Mobile Control (inside Learning Tools dropdown)
   ========================================= */

.ambient-control-mobile {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.6rem 0.75rem;
    border-radius: 4px;
    border-top: 1px solid rgba(196, 148, 58, 0.15);
    margin-top: 0.25rem;
    padding-top: 0.75rem;
}

.ambient-control-mobile .ambient-label {
    flex: 1;
    font-size: 0.9rem;
}

/* =========================================
   Standalone Control (interactive chapters)
   ========================================= */

.ambient-control-standalone {
    display: flex;
    justify-content: center;
    padding: 0.5rem 1rem;
}

/* =========================================
   Responsive
   ========================================= */

@media (max-width: 768px) {
    .ambient-control {
        display: none;
    }

    .ambient-control-standalone .ambient-control {
        display: inline-flex;
    }
}