/**
 * Audio Briefing Styles
 */

/* ===== Toggle Button ===== */
.audio-toggle {
    position: fixed;
    right: 20px;
    bottom: 160px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--surface-color, #ffffff);
    border: 2px solid var(--border-color, #e5e7eb);
    color: var(--text-secondary, #6b7280);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    z-index: 900;
    transition: all 0.2s ease;
}

.audio-toggle:hover {
    border-color: var(--accent-color, #2563eb);
    color: var(--accent-color, #2563eb);
    transform: scale(1.05);
}

.audio-toggle.playing {
    background: var(--accent-color, #2563eb);
    border-color: var(--accent-color, #2563eb);
    color: white;
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3); }
    50% { box-shadow: 0 4px 20px rgba(37, 99, 235, 0.5); }
}

/* ===== Audio Panel ===== */
.audio-panel {
    position: fixed;
    right: -380px;
    bottom: 20px;
    width: 360px;
    max-width: calc(100vw - 40px);
    max-height: calc(100vh - 40px);
    max-height: calc(100dvh - 40px); /* Dynamic viewport for mobile browsers */
    background: var(--surface-color, #ffffff);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    z-index: 950;
    transition: right 0.3s ease;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.audio-panel.open {
    right: 20px;
}

.audio-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    background: linear-gradient(135deg, var(--accent-color, #2563eb), #3b82f6);
    color: white;
    flex-shrink: 0;
}

.audio-panel-header h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.audio-panel-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease;
}

.audio-panel-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.audio-panel-content {
    padding: 1.25rem;
    flex: 1;
    overflow-y: auto;
    min-height: 0;
}

/* ===== Now Playing ===== */
.audio-now-playing {
    text-align: center;
    padding: 1rem;
    background: var(--surface-elevated, #f9fafb);
    border-radius: 12px;
    margin-bottom: 1rem;
}

.now-playing-label {
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary, #9ca3af);
    margin-bottom: 0.25rem;
}

.now-playing-text {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary, #111827);
}

/* ===== Playback Controls ===== */
.audio-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.audio-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 50%;
    color: var(--text-secondary, #6b7280);
    cursor: pointer;
    transition: all 0.2s ease;
}

.audio-btn:hover {
    border-color: var(--accent-color, #2563eb);
    color: var(--accent-color, #2563eb);
}

.audio-prev,
.audio-next,
.audio-stop {
    width: 40px;
    height: 40px;
}

.audio-play-pause {
    width: 56px;
    height: 56px;
    background: var(--accent-color, #2563eb);
    border-color: var(--accent-color, #2563eb);
    color: white;
}

.audio-play-pause:hover {
    background: var(--accent-hover, #1d4ed8);
    border-color: var(--accent-hover, #1d4ed8);
    color: white;
    transform: scale(1.05);
}

/* ===== Settings ===== */
.audio-setting {
    margin-bottom: 1rem;
}

.audio-setting label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary, #6b7280);
    margin-bottom: 0.5rem;
}

.speed-buttons {
    display: flex;
    gap: 0.5rem;
}

.speed-btn {
    flex: 1;
    padding: 0.5rem;
    background: transparent;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 6px;
    font-size: 0.75rem;
    color: var(--text-secondary, #6b7280);
    cursor: pointer;
    transition: all 0.2s ease;
}

.speed-btn:hover {
    border-color: var(--accent-color, #2563eb);
    color: var(--accent-color, #2563eb);
}

.speed-btn.active {
    background: var(--accent-color, #2563eb);
    border-color: var(--accent-color, #2563eb);
    color: white;
}

.voice-selector {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 6px;
    font-size: 0.875rem;
    background: var(--surface-color, #ffffff);
    color: var(--text-primary, #111827);
}

/* ===== Briefing Section ===== */
.audio-briefing-section {
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-color, #e5e7eb);
}

.audio-briefing-section h4 {
    margin: 0 0 0.75rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-primary, #111827);
}

.briefing-options {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.briefing-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--surface-elevated, #f9fafb);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 8px;
    color: var(--text-primary, #111827);
    font-size: 0.875rem;
    text-align: left;
    cursor: pointer;
    transition: all 0.2s ease;
}

.briefing-btn:hover {
    background: var(--hover-bg, #f3f4f6);
    border-color: var(--accent-color, #2563eb);
}

.briefing-btn svg {
    color: var(--accent-color, #2563eb);
    flex-shrink: 0;
}

/* ===== Auto-play Setting ===== */
.auto-play-setting {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color, #e5e7eb);
}

.auto-play-setting label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.8125rem;
    color: var(--text-secondary, #6b7280);
}

.auto-play-toggle {
    width: 16px;
    height: 16px;
    accent-color: var(--accent-color, #2563eb);
}

/* ===== Toast ===== */
.audio-toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    padding: 0.75rem 1.25rem;
    background: #1f2937;
    color: white;
    border-radius: 8px;
    font-size: 0.875rem;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1100;
}

.audio-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ===== Mobile Responsive ===== */
@media (max-width: 480px) {
    .audio-toggle {
        right: 16px;
        bottom: 140px;
        width: 44px;
        height: 44px;
    }

    .audio-panel {
        right: -100vw;
        width: calc(100vw - 32px);
        bottom: 16px;
        max-height: calc(100vh - 32px);
        max-height: calc(100dvh - 32px);
    }

    .audio-panel.open {
        right: 16px;
    }

    .audio-controls {
        gap: 0.5rem;
    }

    .audio-play-pause {
        width: 48px;
        height: 48px;
    }

    .audio-prev,
    .audio-next,
    .audio-stop {
        width: 36px;
        height: 36px;
    }
}

/* ===== Dark Mode ===== */
@media (prefers-color-scheme: dark) {
    .audio-toggle {
        background: var(--surface-color, #1f2937);
        border-color: var(--border-color, #374151);
    }

    .audio-panel {
        background: var(--surface-color, #1f2937);
    }

    .audio-now-playing {
        background: var(--surface-elevated, #111827);
    }

    .briefing-btn {
        background: var(--surface-elevated, #111827);
        border-color: var(--border-color, #374151);
    }

    .voice-selector {
        background: var(--surface-elevated, #111827);
        border-color: var(--border-color, #374151);
        color: var(--text-primary, #f9fafb);
    }
}