/* Chat2 Split-View Layout Styles */

/* Compact Header for Chat2 */
.chat-header-compact {
    padding: 12px 0 !important; /* Reduced from 16px (20% less) */
}

.chat-header-compact .header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.chat-header-compact .app-title {
    font-size: 1.2rem !important; /* Slightly smaller */
    margin: 0;
}

.chat-header-compact .app-subtitle {
    font-size: 0.8rem !important;
    margin-top: 2px;
}

/* Header Stats for selection info */
.header-stats {
    display: flex;
    gap: 3rem;
    align-items: center;
    justify-content: center;
    flex: 1;
    margin: 0 2rem;
}

.header-stats .stat {
    text-align: center;
    min-width: 60px;
}

.header-stats .stat-value {
    display: block;
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--color-primary);
    line-height: 1.2;
}

.header-stats .stat-label {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    line-height: 1;
}

/* Project Name Inline Editing */
.project-name-container {
    position: relative;
    display: inline-block;
}

.project-name-editable {
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid transparent;
}

.project-name-editable:hover {
    background-color: rgba(0, 123, 255, 0.1);
    border-color: rgba(0, 123, 255, 0.2);
}

.project-name-edit-container {
    display: flex;
    align-items: center;
    gap: 4px;
    position: relative;
}

.project-name-input {
    font-size: 1.25rem;
    font-weight: bold;
    color: #007bff;
    line-height: 1.2;
    padding: 4px 60px 4px 8px;
    border: 2px solid #007bff;
    border-radius: 4px;
    background-color: white;
    outline: none;
    min-width: 200px;
}

.project-name-input:focus {
    border-color: #0056b3;
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

.project-name-buttons {
    position: absolute;
    right: 4px;
    display: flex;
    gap: 2px;
    align-items: center;
}

.project-name-btn {
    width: 24px;
    height: 24px;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: all 0.2s ease;
}

.project-name-btn.confirm {
    background-color: #28a745;
    color: white;
}

.project-name-btn.confirm:hover {
    background-color: #218838;
}

.project-name-btn.cancel {
    background-color: #dc3545;
    color: white;
}

.project-name-btn.cancel:hover {
    background-color: #c82333;
}

.project-name-error {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #dc3545;
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    margin-top: 2px;
    z-index: 10;
}

/* Main Chat2 Container */
.chat2-app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    background: #f8f9fa;
}

.chat2-container {
    display: flex;
    flex: 1;
    overflow: hidden;
    transition: all 0.5s ease-in-out;
}

/* Chat Panel Styles */
.chat-panel {
    display: flex;
    flex-direction: column;
    width: 100%;
    background: white;
    border-right: 1px solid #e9ecef;
    transition: all 0.5s ease-in-out;
    overflow: hidden;
}

/* When in split view, chat panel becomes 30% width */
.chat2-container.split-view .chat-panel {
    width: 30%;
    min-width: 300px;
}

/* Chat messages container - make it scrollable */
.chat-panel .chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background: #f7f7f8;
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: 0;
    height: 100%;
}

/* Message styling inherits from chat.css - just ensure proper display */

.chat-panel .message-content {
    padding: 12px 16px;
    max-width: 70%;
    word-wrap: break-word;
}

.chat-panel .message-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
    font-size: 0.75rem;
    opacity: 0.7;
}

.chat-panel .message-author {
    font-weight: 600;
}

.chat-panel .message-time {
    font-size: 0.7rem;
}

.chat-panel .message-body {
    line-height: 1.5;
}

.chat-panel .message-body p {
    margin: 0 0 8px 0;
}

.chat-panel .message-body p:last-child {
    margin-bottom: 0;
}

/* Message Type Specific Styling */

/* User messages */
.chat-panel .message.user {
    flex-direction: row-reverse;
}

.chat-panel .message.user .message-content {
    background: var(--color-primary);
    color: white;
    border-radius: 18px 18px 4px 18px;
}

.chat-panel .message.user .message-icon {
    color: var(--color-primary);
    background: white;
    padding: 4px;
    border-radius: 50%;
}

/* Assistant messages */
.chat-panel .message.assistant .message-content {
    background: #f7fafc;
    color: #2d3748;
    border-radius: 18px 18px 18px 4px;
    border: 1px solid #e2e8f0;
}

.chat-panel .message.assistant .message-icon {
    color: #4a5568;
    background: #e2e8f0;
    padding: 4px;
    border-radius: 50%;
}

/* System messages */
.chat-panel .message.system .message-content {
    background: #fef5e7;
    color: #744210;
    border-radius: 18px;
    border: 1px solid #f6e05e;
}

.chat-panel .message.system .message-icon {
    color: #744210;
    background: #f6e05e;
    padding: 4px;
    border-radius: 50%;
}

/* Upload-related messages */
.chat-panel .message.upload-started .message-content {
    background: #e6fffa;
    color: #234e52;
    border-radius: 18px;
    border: 1px solid #81e6d9;
}

.chat-panel .message.upload-started .message-icon {
    color: #234e52;
    background: #81e6d9;
    padding: 4px;
    border-radius: 50%;
}

.chat-panel .message.upload-success .message-content {
    background: #f0fff4;
    color: #22543d;
    border-radius: 18px;
    border: 1px solid #9ae6b4;
}

.chat-panel .message.upload-success .message-icon {
    color: #22543d;
    background: #9ae6b4;
    padding: 4px;
    border-radius: 50%;
}

.chat-panel .message.upload-error .message-content {
    background: #fed7d7;
    color: #742a2a;
    border-radius: 18px;
    border: 1px solid #fc8181;
}

.chat-panel .message.upload-error .message-icon {
    color: #742a2a;
    background: #fc8181;
    padding: 4px;
    border-radius: 50%;
}

/* Transcription-related messages */
.chat-panel .message.transcription-started .message-content {
    background: #ebf4ff;
    color: #2a4365;
    border-radius: 18px;
    border: 1px solid #90cdf4;
}

.chat-panel .message.transcription-started .message-icon {
    color: #2a4365;
    background: #90cdf4;
    padding: 4px;
    border-radius: 50%;
}

/* Editing Strategy-related messages */
.chat-panel .message.strategy-analyzing .message-content {
    background: #faf5ff;
    color: #553c9a;
    border-radius: 18px;
    border: 1px solid #c084fc;
}

.chat-panel .message.strategy-analyzing .message-icon {
    color: #553c9a;
    background: #c084fc;
    padding: 4px;
    border-radius: 50%;
}

/* Twitter Threads-related messages */
.chat-panel .message.twitter-analyzing .message-content {
    background: #f0f9ff;
    color: #1d4ed8;
    border-radius: 18px;
    border: 1px solid #60a5fa;
}

.chat-panel .message.twitter-analyzing .message-icon {
    color: #1d4ed8;
    background: #60a5fa;
    padding: 4px;
    border-radius: 50%;
}

/* Progress completion styling */
.progress-complete {
    background: #f0fff4;
    border: 1px solid #9ae6b4;
    border-radius: 12px;
    padding: 16px;
}

.progress-complete .progress-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.progress-complete .progress-icon {
    font-size: 24px;
    color: #28a745;
}

.progress-complete .progress-details h4 {
    margin: 0 0 4px 0;
    color: #155724;
    font-size: 16px;
    font-weight: 600;
}

.progress-complete .progress-details .progress-status {
    margin: 0;
    color: #155724;
    font-size: 14px;
    opacity: 0.8;
}

.chat-panel .message.transcription-complete .message-content {
    background: #f0fff4;
    color: #22543d;
    border-radius: 18px;
    border: 1px solid #9ae6b4;
}

.chat-panel .message.transcription-complete .message-icon {
    color: #22543d;
    background: #9ae6b4;
    padding: 4px;
    border-radius: 50%;
}

.chat-panel .message.transcription-error .message-content {
    background: #fed7d7;
    color: #742a2a;
    border-radius: 18px;
    border: 1px solid #fc8181;
}

.chat-panel .message.transcription-error .message-icon {
    color: #742a2a;
    background: #fc8181;
    padding: 4px;
    border-radius: 50%;
}

/* Mapping-related messages */
.chat-panel .message.mapping-started .message-content {
    background: #f7e7ff;
    color: #553c9a;
    border-radius: 18px;
    border: 1px solid #d6bcfa;
}

.chat-panel .message.mapping-started .message-icon {
    color: #553c9a;
    background: #d6bcfa;
    padding: 4px;
    border-radius: 50%;
}

.chat-panel .message.mapping-complete .message-content {
    background: #f0fff4;
    color: #22543d;
    border-radius: 18px;
    border: 1px solid #9ae6b4;
}

.chat-panel .message.mapping-complete .message-icon {
    color: #22543d;
    background: #9ae6b4;
    padding: 4px;
    border-radius: 50%;
}

.chat-panel .message.mapping-error .message-content {
    background: #fed7d7;
    color: #742a2a;
    border-radius: 18px;
    border: 1px solid #fc8181;
}

.chat-panel .message.mapping-error .message-icon {
    color: #742a2a;
    background: #fc8181;
    padding: 4px;
    border-radius: 50%;
}

/* Error messages */
.chat-panel .message.error .message-content {
    background: #fed7d7;
    color: #742a2a;
    border-radius: 18px;
    border: 1px solid #fc8181;
}

.chat-panel .message.error .message-icon {
    color: #742a2a;
    background: #fc8181;
    padding: 4px;
    border-radius: 50%;
}

/* Chat input container - inherits from chat.css */

/* Chat-specific styling - inherits most from chat.css */

/* Mapping Panel Styles */
.mapping-panel {
    display: none;
    flex-direction: column;
    width: 0;
    background: var(--color-bg);
    overflow: hidden;
    transition: var(--transition-smooth);
}

/* When in split view, mapping panel becomes 70% width */
.chat2-container.split-view .mapping-panel {
    display: flex;
    width: 70%;
    min-width: 500px;
}

/* Mapping content container */
.mapping-content {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
}

/* Override some mapping styles for embedded view */
.mapping-panel .step-content {
    padding: 0;
    margin: 0;
    background: transparent;
    border: none;
    box-shadow: none;
}

/* Hide header and progress bar in embedded mapping */
.mapping-panel .app-header,
.mapping-panel .progress-bar-container {
    display: none !important;
}

/* Adjust mapping container for embedded view */
.mapping-panel .mapping-container {
    padding: 0;
    margin: 0;
    background: transparent;
    border: none;
    box-shadow: none;
}

/* New Mapping Header Layout */
.mapping-header-controls {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--color-bg);
    border-bottom: none;
    border-radius: var(--radius-xl);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    min-height: 50px;
    box-shadow: var(--shadow-flat-xs);
}

.mapping-header-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.mapping-header-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Selection Controls in Header */
.selection-controls-header {
    display: flex;
    gap: 0.5rem;
}

.export-controls-header {
    display: flex;
    gap: 0.5rem;
}



/* Speaker Controls in Header */
.speaker-controls-header {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.speaker-control-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.speaker-input-wrapper {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    position: relative;
}

.speaker-save-feedback {
    display: none;
    font-size: 16px;
    font-weight: bold;
    opacity: 0;
    transition: opacity 0.3s ease;
    margin-left: 4px;
}

.speaker-control-header label {
    font-size: 0.9rem;
    font-weight: 500;
    color: #495057;
    min-width: 60px;
}

.speaker-name-input-header {
    padding: 0.25rem 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 0.875rem;
    width: 120px;
}

/* Main Content Full Width */
.mapping-main-content {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    background: var(--color-bg);
}

.sections-container-fullwidth {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    background: var(--color-bg);
}

/* Remove old mapping controls styling */
.mapping-panel .mapping-controls {
    display: none !important;
}

/* Ensure mapping controls are properly styled */
.mapping-panel .mapping-section {
    margin-bottom: 1rem;
}

/* Responsive adjustments */
@media (max-width: 1200px) {
    .chat2-container.split-view .chat-panel {
        width: 35%;
        min-width: 250px;
    }
    
    .chat2-container.split-view .mapping-panel {
        width: 65%;
        min-width: 400px;
    }
    
    /* Adjust header stats for medium screens */
    .header-stats {
        gap: 2.5rem;
        margin: 0 1.5rem;
    }
    
    /* Adjust mapping header for smaller screens */
    .mapping-header-controls {
        padding: 0.5rem 0.75rem;
        gap: 0.75rem;
    }
    
    .speaker-controls-header {
        gap: 0.75rem;
    }
    
    .speaker-name-input-header {
        width: 100px;
    }
}

@media (max-width: 768px) {
    /* On mobile, we'll handle this later but for now keep it simple */
    .chat2-container.split-view .chat-panel {
        width: 40%;
        min-width: 200px;
    }
    
    .chat2-container.split-view .mapping-panel {
        width: 60%;
        min-width: 300px;
    }
    
    /* Make mapping header more compact on mobile */
    .mapping-header-controls {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
        padding: 0.5rem;
        min-height: auto;
    }
    
    .mapping-header-left,
    .mapping-header-right {
        justify-content: center;
    }
    
    .speaker-controls-header {
        gap: 0.5rem;
        flex-wrap: wrap;
    }
    
    .speaker-name-input-header {
        width: 80px;
        font-size: 0.8rem;
    }
    
    /* Make header stats more compact on mobile */
    .header-stats {
        gap: 1.5rem;
        flex-wrap: wrap;
        justify-content: center;
        margin: 0 1rem;
    }
    
    .header-stats .stat {
        min-width: 50px;
    }
    
    .header-stats .stat-value {
        font-size: 1rem;
    }
    
    .header-stats .stat-label {
        font-size: 0.7rem;
    }
}

/* Loading states for mapping panel */
.mapping-panel .mapping-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #6c757d;
}

.mapping-panel .mapping-loading .spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #e9ecef;
    border-top: 4px solid #007bff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Error states for mapping panel */
.mapping-panel .mapping-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #dc3545;
    text-align: center;
    padding: 2rem;
}

.mapping-panel .mapping-error .error-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.mapping-panel .mapping-error h3 {
    margin: 0 0 1rem 0;
    color: #dc3545;
}

.mapping-panel .mapping-error p {
    margin: 0;
    color: #6c757d;
}

/* Transition animation classes */
.chat2-container.transitioning {
    pointer-events: none;
}

.chat2-container.transitioning .chat-panel,
.chat2-container.transitioning .mapping-panel {
    transition: all 0.5s ease-in-out;
}

/* Ensure chat messages don't interfere with mapping */
.chat2-container.split-view .chat-messages {
    max-height: none;
}

/* Ensure chat input maintains proper size in both modes */
.chat-panel .chat-input-container {
    background: var(--color-bg);
    border-top: 1px solid #e5e5e5;
    padding: 16px 20px;
}

.chat-panel .chat-input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    background: #f7fafc;
    border: 1px solid #e2e8f0;
    border-radius: 24px;
    padding: 8px 12px;
    transition: border-color 0.2s;
}

.chat-panel .chat-input-wrapper:focus-within {
    border-color: #3182ce;
    box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);
}

.chat-panel #chat-input,
.chat-panel #message-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    resize: none;
    font-size: 0.95rem;
    line-height: 1.4;
    max-height: 120px;
    min-height: 40px;
    padding: 8px 0;
    font-family: inherit;
}

.chat-panel #chat-input::placeholder,
.chat-panel #message-input::placeholder {
    color: #a0aec0;
}

/* Make sure overlays work properly in split view */
.chat2-app .drag-overlay,
.chat2-app .loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
}

/* Adjust toasts for split view */
.chat2-app .error-toast,
.chat2-app .success-toast {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1001;
}

/* Mapping sections styling for chat2 */
.mapping-panel .section {
    border: none;
    border-radius: var(--radius-xl);
    margin-bottom: 1rem;
    background: var(--color-bg);
    display: block;
    box-shadow: var(--shadow-flat-xs);
    transition: var(--transition-base);
}

.mapping-panel .section:hover {
    box-shadow: var(--shadow-flat-sm);
}

.mapping-panel .section-header {
    display: flex !important;
    align-items: center;
    padding: 1rem;
    background: linear-gradient(145deg, var(--color-bg-light), #E6E9EC);
    border-bottom: none;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    width: 100%;
    transition: var(--transition-base);
}

.mapping-panel .section-header:hover {
    box-shadow: var(--shadow-lg);
}

.mapping-panel .section-control {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-right: 1rem;
}

.mapping-panel .section-info {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mapping-panel .section-title {
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0;
}

.mapping-panel .section-meta {
    display: flex;
    gap: 1rem;
    align-items: center;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.mapping-panel .section-content {
    padding: 1rem;
    display: block;
    width: 100%;
}

/* Ensure subsections are properly styled */
.mapping-panel .subsection {
    margin-left: 1rem;
    margin-bottom: 0.5rem;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    background: #f8f9fa;
}

/* Message items styling */
.mapping-panel .message-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    border-bottom: 1px solid #e9ecef;
    background: white;
    cursor: pointer;
}

.mapping-panel .message-item:hover {
    background: #f8f9fa;
}

.mapping-panel .message-speaker {
    font-weight: 600;
    color: #007bff;
    min-width: 80px;
}

.mapping-panel .message-time {
    color: #6c757d;
    font-size: 0.85rem;
    min-width: 80px;
}

.mapping-panel .message-text {
    flex: 1;
    color: #333;
    line-height: 1.4;
}

/* Empty section styling */
.mapping-panel .empty-section {
    padding: 2rem;
    text-align: center;
    color: #6c757d;
    font-style: italic;
    background: #f8f9fa;
    border-radius: 6px;
    border: 1px dashed #dee2e6;
}

/* Messages container styling */
.mapping-panel .section-messages,
.mapping-panel .messages {
    margin-top: 1rem;
}

.mapping-panel .messages-header {
    padding: 0.5rem 1rem;
    background: #e9ecef;
    font-weight: 600;
    color: #495057;
    border-radius: 4px;
    margin-bottom: 0.5rem;
}

.mapping-panel .messages-list {
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid #e9ecef;
}

.mapping-panel .subsection-header {
    display: flex !important;
    align-items: center;
    padding: 0.75rem;
    background: #f1f3f4;
    border-bottom: 1px solid #e9ecef;
    border-radius: 6px 6px 0 0;
}

.mapping-panel .subsection-content {
    padding: 0.75rem;
    display: block;
}

/* Messages styling */
.mapping-panel .messages {
    margin-top: 0.5rem;
}

.mapping-panel .messages-list {
    display: block;
}

.mapping-panel .message-item {
    display: flex;
    align-items: flex-start;
    padding: 16px 20px;
    margin-bottom: 0.5rem;
    border: none;
    border-radius: var(--radius-xl);
    background: var(--color-bg);
    cursor: pointer;
    transition: var(--transition-base);
    box-shadow: var(--shadow-flat-xs);
}

.mapping-panel .message-item:hover {
    box-shadow: var(--shadow-flat-sm);
    transform: translateX(2px);
}

.mapping-panel .message-item.selected {
    background: linear-gradient(145deg, #FFF5F5, #FFE8E8);
    box-shadow: inset 3px 3px 6px rgba(255, 107, 107, 0.15),
                inset -3px -3px 6px var(--color-bg-light);
}

.mapping-panel .message-item .select-btn {
    margin-right: 0.75rem;
    flex-shrink: 0;
}

.mapping-panel .message-speaker {
    font-weight: 600;
    color: var(--color-primary);
    margin-right: 0.75rem;
    flex-shrink: 0;
    min-width: 80px;
}

.mapping-panel .message-time {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    margin-right: 0.75rem;
    flex-shrink: 0;
    min-width: 60px;
}

.mapping-panel .message-text {
    flex: 1;
    line-height: 1.4;
    color: var(--color-text-primary);
}

/* Speaker controls styling */
.mapping-panel .speaker-control {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.mapping-panel .speaker-control label {
    min-width: 80px;
    font-weight: 500;
    color: #333;
}

.mapping-panel .speaker-name-input {
    flex: 1;
    padding: 0.5rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 0.9rem;
}

.mapping-panel .speaker-name-input:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

.mapping-panel #save-speakers-btn {
    margin-top: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
}

.mapping-panel #save-speakers-btn:hover {
    background-color: #0056b3;
}

/* Old section styles removed - using new structure from styles.css */

.mapping-panel .speaker-control {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.mapping-panel .speaker-control label {
    margin-right: 0.5rem;
    min-width: 80px;
}

.mapping-panel .speaker-name-input {
    flex: 1;
    padding: 0.25rem 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.mapping-panel .selection-summary-sticky {
    position: sticky;
    top: 0;
    z-index: 10;
    background: white;
    border-bottom: 1px solid #e9ecef;
    padding: 1rem;
}

.mapping-panel .summary-stats {
    display: flex;
    gap: 2rem;
}

.mapping-panel .stat {
    text-align: center;
}

.mapping-panel .stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: bold;
    color: #007bff;
}

.mapping-panel .stat-label {
    font-size: 0.9rem;
    color: #6c757d;
}

/* Audio Player Styles */
.audio-player-header {
    position: sticky;
    top: 70px;
    z-index: 999;
    background: var(--color-bg);
    border: none;
    border-radius: var(--radius-xl);
    margin: 0 0 15px 0;
    padding: 20px;
    box-shadow: var(--shadow-flat-sm);
}

.audio-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
}

.audio-progress-container {
    flex: 1;
    height: 30px;
    display: flex;
    align-items: center;
    margin: 0 10px;
}

.audio-progress-bar {
    width: 100%;
    height: 8px;
    background: var(--color-bg);
    border-radius: 4px;
    box-shadow: var(--shadow-pressed-sm);
    position: relative;
    cursor: pointer;
}

.audio-progress-fill {
    height: 100%;
    background: var(--color-primary);
    border-radius: 4px;
    width: 0%;
    transition: width 0.1s ease;
    z-index: 0;
    position: relative;
}

/* Selection highlights on timeline */
.audio-selection-highlights {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 2;
}

.audio-selection-highlight {
    position: absolute;
    top: 0;
    height: 100%;
    background: #ffc107;
    border-radius: 3px;
    opacity: 0.9;
    box-shadow: 0 0 2px rgba(255, 193, 7, 0.5);
}

.audio-volume-control {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 100px;
}

.volume-slider {
    width: 80px;
    height: 8px;
    background: var(--color-bg);
    border-radius: 4px;
    box-shadow: var(--shadow-pressed-sm);
    outline: none;
    -webkit-appearance: none;
    cursor: pointer;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: var(--radius-full);
    background: linear-gradient(145deg, var(--color-bg-light), #E6E9EC);
    box-shadow: 4px 4px 8px var(--color-bg-dark),
                -4px -4px 8px var(--color-bg-light);
    cursor: grab;
    transition: var(--transition-base);
}

.volume-slider::-webkit-slider-thumb:hover {
    width: 24px;
    height: 24px;
}

.volume-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: var(--radius-full);
    background: linear-gradient(145deg, var(--color-bg-light), #E6E9EC);
    box-shadow: 4px 4px 8px var(--color-bg-dark),
                -4px -4px 8px var(--color-bg-light);
    cursor: grab;
    border: none;
    transition: var(--transition-base);
}

.volume-slider::-moz-range-thumb:hover {
    width: 24px;
    height: 24px;
}

.audio-speed-control {
    display: flex;
    align-items: center;
}

.speed-select {
    font-size: 0.75rem;
    min-width: 60px;
    max-width: 70px;
    padding: 8px 14px;
    border: none;
    background: linear-gradient(145deg, var(--color-bg-light), #E6E9EC);
    color: var(--color-text-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-flat-sm);
    cursor: pointer;
    transition: var(--transition-base);
    font-weight: 500;
}

.speed-select:hover {
    box-shadow: var(--shadow-hover-sm);
    transform: translateY(-1px);
}

.speed-select:focus {
    box-shadow: var(--shadow-pressed-sm);
    outline: 0;
}

.speed-select:active {
    box-shadow: var(--shadow-pressed-sm);
    transform: translateY(0);
}

#audio-current-time, #audio-total-time {
    font-family: monospace;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    min-width: 45px;
    text-align: center;
}

.audio-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(248, 249, 250, 0.9);
    padding: 10px 20px;
    border-radius: 4px;
    color: #6c757d;
}

/* Play button styles for sections and messages */
.message-play-btn {
    width: 28px;
    height: 28px;
    background: var(--color-primary-gradient);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 11px;
    cursor: pointer;
    flex-shrink: 0;
    box-shadow: 4px 4px 8px var(--color-bg-dark),
                -4px -4px 8px var(--color-bg-light);
    transition: var(--transition-base);
    border: none;
    margin-right: 8px;
}

.section-play-btn {
    width: 28px;
    height: 28px;
    background: var(--color-primary-gradient);
    border-radius: var(--radius-full);
    color: white;
    font-size: 11px;
    box-shadow: 4px 4px 8px var(--color-bg-dark),
                -4px -4px 8px var(--color-bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    border: none;
    transition: var(--transition-base);
    margin-right: 8px;
}

.section-play-btn:hover {
    transform: scale(1.05);
}

.section-play-btn:active {
    transform: scale(0.98);
}

.message-play-btn:hover {
    transform: scale(1.05);
}

.section-play-btn.playing, .message-play-btn.playing {
    background: var(--color-warning);
    color: var(--color-warning-dark);
}

.section-play-btn.playing:hover, .message-play-btn.playing:hover {
    background: var(--color-warning);
    transform: scale(1.05);
}

/* Highlight currently playing content */
.section.playing {
    background-color: #fff3cd !important;
    border-left: 4px solid #ffc107;
}

.message.playing {
    background-color: #d1ecf1 !important;
    border-left: 3px solid #bee5eb;
}

.subsection.playing {
    background-color: #f8f9fa !important;
    border-left: 3px solid #dee2e6;
}