/* ============================
           Transcript Q&A / Ask AI Tab
           ============================ */

        .meeting-tab-panel[data-tab="ask-ai"] {
            overflow: hidden;
        }

        .transcript-qa-container {
            display: flex;
            flex-direction: column;
            flex: 1;
            min-height: 0;
            overflow: hidden;
            position: relative;
        }

        .qa-sync-indicator {
            position: absolute;
            top: 10px;
            right: 16px;
            z-index: 2;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: var(--font-size-xs);
            font-family: 'Avenir Next', -apple-system, sans-serif;
            letter-spacing: 0.02em;
            pointer-events: none;
            opacity: 0;
            transition: opacity var(--duration-slow) var(--ease-in-out);
        }

        .qa-sync-indicator:not(:empty) { opacity: 1; }

        .qa-sync-indicator--loading,
        .qa-sync-indicator--local { color: #8A8A8E; }

        .qa-sync-indicator--success { color: var(--color-green-text); }

        .qa-sync-indicator--fade {
            opacity: 0 !important;
            transition: opacity 0.8s var(--ease-in-out);
        }

        @keyframes qa-spin {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        .qa-sync-spinner {
            display: inline-block;
            vertical-align: middle;
            animation: qa-spin 0.8s linear infinite;
        }

        @media (prefers-reduced-motion: reduce) {
            .qa-sync-spinner { animation: none; }
        }

        @keyframes qa-shimmer {
            0% { background-position: -200% 0; }
            100% { background-position: 200% 0; }
        }

        .qa-skeleton-row {
            display: flex;
            align-items: center;
            padding: 8px 16px;
        }

        .qa-skeleton-row--user { justify-content: flex-end; }

        .qa-skeleton-body {
            height: 48px;
            border-radius: var(--radius-lg);
            width: 72%;
            background: linear-gradient(
                90deg,
                rgba(0, 0, 0, 0.05) 25%,
                rgba(0, 0, 0, 0.1) 50%,
                rgba(0, 0, 0, 0.05) 75%
            );
            background-size: 200% 100%;
            animation: qa-shimmer 1.5s ease-in-out infinite;
        }

        @media (prefers-reduced-motion: reduce) {
            .qa-skeleton-body { animation: none; }
        }

        .qa-messages {
            flex: 1;
            height: 0;
            overflow-y: auto;
            padding: 0 var(--space-4) var(--space-3);
            display: flex;
            flex-direction: column;
            gap: var(--space-3);
        }

        .qa-empty-state {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: var(--space-3);
            padding: var(--space-8);
            text-align: center;
            color: var(--text-tertiary);
            flex: 1;
        }

        .qa-empty-state svg {
            opacity: 0.4;
        }

        .qa-empty-state p {
            font-size: var(--font-size-14);
            margin: 0;
        }

        .qa-message {
            padding: var(--space-2-5) var(--space-3);
            border-radius: var(--radius-lg);
            font-size: var(--font-size-14);
            line-height: 1.5;
            word-wrap: break-word;
        }

        .qa-message-user {
            align-self: flex-end;
            max-width: 85%;
            background: rgba(74, 144, 217, 0.12);
            color: var(--text-primary);
            border-bottom-right-radius: var(--radius-xs);
        }

        .qa-message-assistant {
            align-self: stretch;
            background: var(--bg-hover);
            color: var(--text-primary);
            border-bottom-left-radius: var(--radius-xs);
        }

        .qa-message-user .qa-message-text {
            white-space: pre-wrap;
        }

        .qa-message-text p { margin: 0 0 0.5em 0; }
        .qa-message-text p:last-child { margin-bottom: 0; }
        .qa-message-text ul { margin: 0.25em 0; padding-left: 1.5em; list-style-type: disc; }
        .qa-message-text ol { margin: 0.25em 0; padding-left: 1.5em; list-style-type: decimal; }
        .qa-message-text li { margin: 0.15em 0; display: list-item; }
        .qa-message-text strong { font-weight: 600; }
        .qa-message-text code {
            background: rgba(0,0,0,0.06);
            padding: 0.1em 0.35em;
            border-radius: var(--radius-sm);
            font-size: 0.9em;
            font-family: 'SF Mono', 'Menlo', monospace;
        }
        .qa-message-text pre {
            background: rgba(0,0,0,0.06);
            padding: 0.5em 0.75em;
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 0.4em 0;
        }
        .qa-message-text pre code {
            background: none;
            padding: 0;
        }
        .qa-message-text h1, .qa-message-text h2, .qa-message-text h3 {
            font-weight: 600;
            margin: 0.5em 0 0.25em;
        }
        .qa-message-text h1 { font-size: 1.15em; }
        .qa-message-text h2 { font-size: 1.08em; }
        .qa-message-text h3 { font-size: 1em; }

        .qa-typing-indicator {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: var(--space-3) var(--space-3);
        }

        .qa-typing-indicator span {
            width: 6px;
            height: 6px;
            border-radius: var(--radius-circle);
            background: var(--text-tertiary);
            animation: qa-dot-bounce 1.4s ease-in-out infinite;
        }

        .qa-typing-indicator span:nth-child(2) {
            animation-delay: 0.2s;
        }

        .qa-typing-indicator span:nth-child(3) {
            animation-delay: 0.4s;
        }

        @keyframes qa-dot-bounce {
            0%, 60%, 100% { transform: translateY(0); }
            30% { transform: translateY(-4px); }
        }

        /* AI processing status steps */
        .qa-status-steps {
            padding: var(--space-3) var(--space-4);
        }

        .qa-status-step {
            display: flex;
            align-items: center;
            gap: var(--space-2);
            padding: var(--space-1) 0;
            font-size: var(--font-size-sm);
            color: var(--text-tertiary);
            transition: color var(--duration-slow) var(--ease-in-out), opacity var(--duration-slow) var(--ease-in-out);
            opacity: 0;
            transform: translateY(4px);
            animation: qa-step-appear var(--duration-slow) var(--ease-in-out) forwards;
        }

        .qa-status-step.active {
            color: var(--text-secondary);
        }

        .qa-status-step.completed {
            color: var(--text-tertiary);
        }

        .qa-status-step-icon {
            width: 14px;
            height: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .qa-status-step.active .qa-status-step-icon {
            animation: qa-spinner 1s linear infinite;
        }

        .qa-status-step.completed .qa-status-step-icon svg {
            color: var(--color-green-text);
        }

        @keyframes qa-step-appear {
            to { opacity: 1; transform: translateY(0); }
        }

        @keyframes qa-spinner {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        /* Thinking Display (DeepSeek R1) */
        .qa-thinking {
            border-left: 2px solid var(--border-medium);
            margin-bottom: var(--space-2);
            padding-left: var(--space-3);
        }

        .qa-thinking-toggle {
            display: flex;
            align-items: center;
            gap: var(--space-2);
            background: none;
            border: none;
            padding: var(--space-3) 0;
            min-height: 44px;
            cursor: pointer;
            font-size: var(--font-size-sm);
            color: var(--text-tertiary);
            font-family: inherit;
            transition: color var(--duration-fast) var(--ease-in-out);
        }

        .qa-thinking-toggle:hover {
            color: var(--text-secondary);
        }

        .qa-thinking-toggle .qa-thinking-spinner {
            width: 14px;
            height: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            animation: qa-spinner 1s linear infinite;
        }

        .qa-thinking[data-state="done"] .qa-thinking-toggle .qa-thinking-spinner {
            animation: none;
        }

        .qa-thinking-toggle .qa-thinking-chevron {
            width: 14px;
            height: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: transform var(--duration-normal) var(--ease-in-out);
        }

        .qa-thinking[data-collapsed="true"] .qa-thinking-toggle .qa-thinking-chevron {
            transform: rotate(-90deg);
        }

        .qa-thinking-content {
            font-size: var(--font-size-sm);
            color: var(--text-tertiary);
            font-style: italic;
            line-height: 1.5;
            white-space: pre-wrap;
            overflow: hidden;
            max-height: 300px;
            overflow-y: auto;
            transition: max-height var(--duration-slow) var(--ease-in-out), opacity var(--duration-slow) var(--ease-in-out);
            padding: var(--space-1) 0;
        }

        .qa-thinking[data-collapsed="true"] .qa-thinking-content {
            max-height: 0;
            opacity: 0;
            padding: 0;
        }