/* === Matribu — styles principaux (extraits de public/index.html — ARC-01 batch CSS) === */

        /* ═══════════════════════════════════════
           THÈMES (variables CSS)
           ═══════════════════════════════════════ */
        :root {
            --bg-primary: #0f0f1a;
            --bg-secondary: #1a1a2e;
            --bg-sidebar: #12121f;
            --bg-input: #0d0d18;
            --bg-hover: rgba(255,255,255,0.06);
            --bg-active: rgba(79,195,247,0.12);
            --text-primary: #e0e0e0;
            --text-secondary: #888;
            --text-muted: #555;
            --accent: #4fc3f7;
            --accent2: #ffb74d;
            --danger: #ef5350;
            --success: #66bb6a;
            --border: rgba(255,255,255,0.08);
            --shadow: rgba(0,0,0,0.4);
            --modal-bg: #1e1e30;
            --canvas-bg: #1a1a2e;
            --transcript-user: rgba(79,195,247,0.12);
            --transcript-ai: rgba(255,183,77,0.1);
        }

        [data-theme="light"] {
            --bg-primary: #f0f2f5;
            --bg-secondary: #ffffff;
            --bg-sidebar: #e8eaed;
            --bg-input: #f5f5f5;
            --bg-hover: rgba(0,0,0,0.04);
            --bg-active: rgba(30,136,229,0.1);
            --text-primary: #1a1a1a;
            --text-secondary: #666;
            --text-muted: #999;
            --accent: #1e88e5;
            --accent2: #f57c00;
            --danger: #d32f2f;
            --success: #388e3c;
            --border: rgba(0,0,0,0.1);
            --shadow: rgba(0,0,0,0.12);
            --modal-bg: #ffffff;
            --canvas-bg: #eef0f3;
            --transcript-user: rgba(30,136,229,0.08);
            --transcript-ai: rgba(245,124,0,0.07);
        }

        /* ═══════════════════════════════════════
           RESET & BASE
           ═══════════════════════════════════════ */
        * { margin: 0; padding: 0; box-sizing: border-box; }

        :focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            height: 100vh;
            display: grid;
            grid-template-columns: 280px 1fr;
            overflow: hidden;
            transition: background 0.3s, color 0.3s, grid-template-columns 0.3s;
        }

        body.sidebar-collapsed {
            grid-template-columns: 0px 1fr;
        }

        /* ═══════════════════════════════════════
           SIDEBAR
           ═══════════════════════════════════════ */
        #sidebar {
            background: var(--bg-sidebar);
            border-right: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            height: 100vh;
            transition: background 0.3s, opacity 0.3s;
            overflow: hidden;
            position: relative;
        }

        body.sidebar-collapsed #sidebar {
            opacity: 0;
            pointer-events: none;
        }

        /* Toggle handle */
        #sidebarToggle {
            position: fixed;
            top: 50%;
            left: 280px;
            transform: translateY(-50%);
            z-index: 150;
            width: 20px;
            height: 48px;
            background: var(--bg-sidebar);
            border: 1px solid var(--border);
            border-left: none;
            border-radius: 0 10px 10px 0;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 0.7rem;
            transition: left 0.3s, background 0.15s, color 0.15s;
        }

        /* Zone de clic etendue pour #sidebarToggle (touch target >= 40px) */
        #sidebarToggle::before {
            content: '';
            position: absolute;
            inset: 0 -20px 0 0;
        }

        #sidebarToggle:hover {
            background: var(--bg-active);
            color: var(--text-primary);
        }

        body.sidebar-collapsed #sidebarToggle {
            left: 0;
            border-left: 1px solid var(--border);
        }

        .sidebar-header {
            padding: 20px;
            border-bottom: 1px solid var(--border);
            text-align: center;
        }

        .logo {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            font-size: 1.7rem;
            font-weight: 800;
            letter-spacing: 0.12em;
            margin-bottom: 4px;
            cursor: pointer;
            transition: opacity 0.15s;
        }

        .logo:hover { opacity: 0.75; }

        .logo svg {
            width: 38px;
            height: 38px;
            flex-shrink: 0;
        }

        .version-tag {
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--text-muted);
            letter-spacing: 0.02em;
            margin-left: 2px;
            vertical-align: super;
        }

        .logo-credit {
            font-size: 0.72rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .logo-credit a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.15s;
        }

        .logo-credit a:hover {
            color: var(--accent);
            text-decoration: underline;
        }

        .btn-new-persona {
            width: 100%;
            padding: 10px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 10px;
            font-size: 0.9rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s;
        }

        .btn-new-persona:hover { transform: scale(1.02); opacity: 0.9; }

        .btn-import-persona {
            width: 100%;
            padding: 8px;
            background: transparent;
            color: var(--text-secondary);
            border: 1px dashed var(--border);
            border-radius: 10px;
            font-size: 0.82rem;
            cursor: pointer;
            transition: all 0.2s;
            text-align: center;
            display: block;
            margin-top: 6px;
        }

        .btn-import-persona:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: var(--bg-active);
        }

        .sidebar-section-header {
            padding: 14px 14px 6px;
            text-align: center;
        }

        .sidebar-section-title {
            font-size: 0.82rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--text-primary);
        }

        .sidebar-section-subtitle {
            font-size: 0.72rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* Liste des personas */
        .persona-list {
            flex: 1;
            overflow-y: auto;
            padding: 8px;
        }

        .persona-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 12px;
            border-radius: 12px;
            cursor: pointer;
            transition: background 0.15s;
            position: relative;
        }

        .persona-item:hover { background: var(--bg-hover); }
        .persona-item.active { background: var(--bg-active); }

        .persona-item-avatar {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            object-fit: cover;
            background: var(--bg-secondary);
            flex-shrink: 0;
        }

        .persona-item-placeholder {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--accent);
            color: #000;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .persona-item-info {
            flex: 1;
            min-width: 0;
        }

        .persona-item-name {
            font-size: 0.92rem;
            font-weight: 600;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .persona-item-desc {
            font-size: 0.75rem;
            color: var(--text-secondary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .persona-item-delete {
            position: absolute;
            right: 8px;
            top: 50%;
            transform: translateY(-50%);
            background: none;
            border: none;
            color: var(--danger);
            cursor: pointer;
            font-size: 1rem;
            opacity: 0;
            transition: opacity 0.15s;
            padding: 4px;
        }

        .persona-item:hover .persona-item-delete { opacity: 0.6; }
        .persona-item-delete:hover { opacity: 1 !important; }

        /* Footer sidebar */
        .sidebar-footer {
            padding: 12px;
            border-top: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .sidebar-footer button {
            width: 100%;
            padding: 9px;
            background: var(--bg-hover);
            border: 1px solid var(--border);
            border-radius: 10px;
            color: var(--text-secondary);
            font-size: 0.82rem;
            cursor: pointer;
            transition: all 0.15s;
        }

        .sidebar-footer button:hover {
            background: var(--bg-active);
            color: var(--text-primary);
        }


        /* ═══════════════════════════════════════
           ZONE PRINCIPALE
           ═══════════════════════════════════════ */
        #main {
            display: flex;
            flex-direction: column;
            height: 100vh;
            overflow: hidden;
            transition: background 0.3s;
            position: relative;
        }

        .main-top-btn {
            position: absolute;
            top: 12px;
            z-index: 10;
            background: var(--bg-hover);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            width: 40px;
            height: 40px;
            border-radius: 10px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.15s;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .main-top-btn:hover {
            background: var(--bg-active);
            color: var(--text-primary);
        }

        #homeBtn { left: 14px; }
        #themeToggleBtn { right: 14px; }

        .app-footer {
            padding: 12px 20px;
            text-align: center;
            font-size: 0.72rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex-shrink: 0;
        }

        .app-footer a {
            color: var(--text-secondary);
            text-decoration: none;
        }

        .app-footer a:hover {
            color: var(--accent);
            text-decoration: underline;
        }

        /* Écran d'accueil */
        #emptyState {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: flex-start;
            padding: 40px 28px;
            overflow-y: auto;
        }

        .welcome-title {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-primary);
        }

        .welcome-subtitle {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 28px;
            font-style: italic;
        }

        .welcome-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 16px;
            width: 100%;
            max-width: 860px;
        }

        .welcome-card {
            position: relative;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
            padding: 28px 18px 22px;
            border: 1px solid var(--border);
            border-radius: 16px;
            cursor: pointer;
            transition: all 0.2s;
            background: var(--bg-secondary);
            text-align: center;
        }

        .welcome-card:hover {
            border-color: var(--accent);
            background: var(--bg-active);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px var(--shadow);
        }

        .welcome-card-menu-btn {
            position: absolute;
            top: 8px;
            right: 8px;
            width: 28px;
            height: 28px;
            border: none;
            border-radius: 8px;
            background: transparent;
            color: var(--text-secondary);
            font-size: 1.2rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: opacity 0.15s, background 0.15s;
            z-index: 2;
        }

        .welcome-card:hover .welcome-card-menu-btn {
            opacity: 1;
        }

        .welcome-card-menu-btn:hover {
            background: var(--bg-hover);
            color: var(--text-primary);
        }

        .welcome-card-menu {
            position: absolute;
            top: 38px;
            right: 8px;
            background: var(--modal-bg);
            border: 1px solid var(--border);
            border-radius: 10px;
            box-shadow: 0 8px 24px var(--shadow);
            z-index: 10;
            min-width: 150px;
            padding: 4px 0;
            display: none;
        }

        .welcome-card-menu.open {
            display: block;
        }

        .welcome-card-menu button {
            display: flex;
            align-items: center;
            gap: 8px;
            width: 100%;
            padding: 9px 14px;
            border: none;
            background: transparent;
            color: var(--text-primary);
            font-size: 0.85rem;
            cursor: pointer;
            text-align: left;
        }

        .welcome-card-menu button:hover {
            background: var(--bg-hover);
        }

        .welcome-card-menu button.danger {
            color: var(--danger);
        }

        .welcome-card-avatar img {
            width: 96px;
            height: 96px;
            border-radius: 18px;
            object-fit: cover;
        }

        .welcome-card-placeholder {
            width: 96px;
            height: 96px;
            border-radius: 18px;
            background: var(--accent);
            color: #000;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.8rem;
        }

        .welcome-card-name {
            font-size: 1rem;
            font-weight: 600;
        }

        .welcome-card-desc {
            font-size: 0.8rem;
            color: var(--text-secondary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .welcome-card-new {
            border-style: dashed;
            color: var(--text-muted);
            background: transparent;
        }

        .welcome-card-new:hover {
            color: var(--accent);
        }

        .welcome-card-new-icon {
            width: 96px;
            height: 96px;
            border-radius: 18px;
            border: 2px dashed var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            transition: border-color 0.15s;
        }

        .welcome-card-new:hover .welcome-card-new-icon {
            border-color: var(--accent);
        }

        /* Zone de conversation */
        #conversationArea {
            flex: 1;
            display: flex;
            flex-direction: column;
            overflow: hidden;
        }

        /* Fiche persona (encart intégré) */
        #personaHeader {
            display: flex;
            flex-direction: row;
            align-items: center;
            gap: 14px;
            padding: 14px 20px;
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: 14px;
            margin: 0 auto;
            width: 100%;
            max-width: 800px;
            flex-shrink: 0;
            transition: background 0.3s;
        }

        #personaHeaderAvatar img,
        .persona-header-placeholder {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            object-fit: cover;
            flex-shrink: 0;
        }

        .persona-header-placeholder {
            background: var(--accent);
            color: #000;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
        }

        .persona-header-info {
            flex: 1;
            min-width: 0;
        }

        #personaHeaderName {
            font-size: 1rem;
            font-weight: 700;
        }

        #personaHeaderDesc {
            font-size: 0.78rem;
            color: var(--text-secondary);
            line-height: 1.3;
            margin-top: 1px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .btn-edit-persona {
            background: none;
            border: 1px solid var(--border);
            color: var(--text-secondary);
            padding: 5px 9px;
            min-width: 40px;
            min-height: 40px;
            border-radius: 8px;
            cursor: pointer;
            font-size: 0.85rem;
            transition: all 0.15s;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .btn-edit-persona:hover { color: var(--accent); border-color: var(--accent); }

        /* ═══════════════════════════════════════
           SHARE-04 : indicateur persona partagé
           ═══════════════════════════════════════ */
        .persona-item.shared-persona {
            opacity: 0.88;
            border-left: 2px solid var(--accent2);
        }
        .persona-item-shared-badge {
            font-size: 0.65rem;
            color: var(--accent2);
            margin-top: 2px;
            display: flex;
            align-items: center;
            gap: 3px;
        }

        /* ═══════════════════════════════════════
           PROFILE MODAL
           ═══════════════════════════════════════ */
        .profile-section {
            margin-bottom: 20px;
        }
        .profile-section h3 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin: 0 0 12px;
            padding-bottom: 8px;
            border-bottom: 1px solid var(--border);
        }
        .profile-field {
            margin-bottom: 12px;
        }
        .profile-field label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 5px;
            color: var(--text-primary);
        }
        .profile-field input {
            width: 100%;
            box-sizing: border-box;
            padding: 10px 12px;
            border: 1px solid var(--border);
            border-radius: 8px;
            background: var(--bg-input, var(--bg-secondary));
            color: var(--text-primary);
            font-size: 0.95rem;
            font-family: inherit;
        }
        .profile-field input:focus {
            outline: 2px solid var(--accent);
            outline-offset: -1px;
        }
        .profile-feedback {
            font-size: 0.82rem;
            min-height: 1.2em;
            margin-top: 6px;
            text-align: center;
        }
        .profile-feedback.ok { color: var(--success); }
        .profile-feedback.err { color: var(--danger); }

        /* ═══════════════════════════════════════
           SHARE MODAL
           ═══════════════════════════════════════ */
        .share-list {
            list-style: none;
            padding: 0;
            margin: 0 0 16px;
        }
        .share-list-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 10px;
            border-radius: 8px;
            background: var(--bg-secondary);
            margin-bottom: 6px;
            font-size: 0.88rem;
        }
        .share-list-item-info {
            display: flex;
            flex-direction: column;
        }
        .share-list-item-name { font-weight: 600; }
        .share-list-item-email { color: var(--text-secondary); font-size: 0.78rem; }
        .share-list-empty {
            text-align: center;
            color: var(--text-secondary);
            font-size: 0.85rem;
            padding: 12px 0;
        }
        .share-add-row {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }
        .share-add-row input {
            flex: 1;
            padding: 9px 12px;
            border: 1px solid var(--border);
            border-radius: 8px;
            background: var(--bg-input, var(--bg-secondary));
            color: var(--text-primary);
            font-size: 0.9rem;
            font-family: inherit;
        }
        .share-add-row input:focus {
            outline: 2px solid var(--accent);
            outline-offset: -1px;
        }
        .btn-share-add {
            padding: 9px 16px;
            background: var(--accent);
            color: white;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-size: 0.88rem;
            font-weight: 600;
            transition: opacity 0.15s;
        }
        .btn-share-add:hover { opacity: 0.85; }
        .btn-share-add:disabled { opacity: 0.5; cursor: not-allowed; }
        .btn-share-remove {
            background: none;
            border: 1px solid var(--danger);
            color: var(--danger);
            border-radius: 6px;
            padding: 4px 10px;
            font-size: 0.78rem;
            cursor: pointer;
            transition: background 0.15s, color 0.15s;
        }
        .btn-share-remove:hover { background: var(--danger); color: white; }
        .share-feedback {
            font-size: 0.82rem;
            min-height: 1.2em;
            margin-top: 8px;
            text-align: center;
        }
        .share-feedback.ok { color: var(--success); }
        .share-feedback.err { color: var(--danger); }

        /* Zone centrale scrollable */
        #conversationBody {
            flex: 1;
            overflow-y: auto;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: flex-start;
            padding: 20px 28px 24px;
            gap: 20px;
        }

        /* ═══════════════════════════════════════
           VISUALISEURS
           ═══════════════════════════════════════ */
        #visualizers {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            max-width: 800px;
            gap: 0;
        }

        .viz-container {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .viz-container canvas {
            background: transparent;
            width: 100%;
            max-width: 260px;
            aspect-ratio: 1;
        }

        /* En mode clair, fond sombre pour les visualiseurs */
        [data-theme="light"] #visualizers {
            background: #1a1a2e;
            border-radius: 20px;
            padding: 10px 0;
        }
        [data-theme="light"] #vizBar {
            background: #1a1a2e;
            border-radius: 14px;
            padding: 6px 16px;
        }
        [data-theme="light"] .viz-label.persona { color: #ffb74d; }
        [data-theme="light"] .viz-label.user { color: #4fc3f7; }

        /* Barre de noms + lien entre les visualiseurs */
        #vizBar {
            display: flex;
            align-items: center;
            gap: 0;
            width: 100%;
            max-width: 800px;
        }

        .viz-label {
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .viz-label.persona { color: var(--accent2); }
        .viz-label.user { color: var(--accent); }

        #vizLinkWrap {
            flex: 1;
            height: 24px;
            margin: 0 14px;
            position: relative;
        }

        #vizLinkWrap canvas {
            display: block;
            width: 100%;
            height: 100%;
        }

        /* ═══════════════════════════════════════
           CONTRÔLES
           ═══════════════════════════════════════ */
        #controls {
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .btn {
            padding: 13px 36px;
            border: none;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s;
            letter-spacing: 0.02em;
        }

        .btn:hover { transform: scale(1.03); }
        .btn:active { transform: scale(0.97); }

        .btn-start {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 2px 12px rgba(79,195,247,0.25);
        }

        .btn-stop {
            background: var(--bg-hover);
            color: var(--text-primary);
            border: 1px solid var(--border);
            box-shadow: none;
        }

        .btn-stop:hover {
            border-color: var(--danger);
            color: var(--danger);
        }

        .btn-mute {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border);
            border-radius: 50%;
            background: var(--bg-secondary);
            color: var(--text-secondary);
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.2s;
            padding: 0;
        }

        .btn-mute:hover { background: var(--bg-hover); border-color: var(--text-muted); }

        .btn-mute.muted {
            background: var(--danger);
            color: white;
            border-color: var(--danger);
        }

        /* Barre d'état / session info */
        #sessionBar {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 18px;
            width: 100%;
            max-width: 800px;
            padding: 8px 16px;
            border-radius: 10px;
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            font-size: 0.78rem;
            color: var(--text-muted);
            transition: background 0.3s;
        }

        #sessionBar .session-item {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        #sessionBar .session-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--text-muted);
            flex-shrink: 0;
        }

        #sessionBar .session-dot.live {
            background: var(--success);
            box-shadow: 0 0 6px var(--success);
            animation: dotPulse 1.5s infinite;
        }

        @keyframes dotPulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        #status {
            font-size: 0.78rem;
            color: var(--text-secondary);
            min-height: 1em;
        }

        #status.error { color: var(--danger); }
        #status.connected { color: var(--success); }
        #status.searching { color: var(--accent); }
        #status.connecting { color: var(--accent2); }
        #status.connecting::after {
            content: '';
            display: inline-block;
            width: 6px; height: 6px;
            border-radius: 50%;
            background: var(--accent2);
            margin-left: 6px;
            vertical-align: middle;
            animation: status-pulse 1s ease-in-out infinite;
        }
        @keyframes status-pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.3; transform: scale(0.7); }
        }

        /* ═══════════════════════════════════════
           TRANSCRIPTION
           ═══════════════════════════════════════ */
        .transcript-header {
            display: flex;
            align-items: center;
            gap: 6px;
            width: 100%;
            max-width: 800px;
            margin-bottom: -14px;
        }

        .transcript-toggle {
            background: none;
            border: none;
            color: var(--text-secondary);
            font-size: 0.85rem;
            font-weight: 600;
            cursor: pointer;
            padding: 6px 10px;
            transition: color 0.15s;
        }

        .transcript-toggle:hover { color: var(--text-primary); }

        .transcript-export-btn {
            margin-left: auto;
            background: none;
            border: 1px solid var(--border);
            border-radius: 8px;
            color: var(--text-secondary);
            font-size: 0.82rem;
            cursor: pointer;
            padding: 5px 10px;
            transition: all 0.15s;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .transcript-export-btn .icon {
            filter: none;
            opacity: 1;
        }

        .transcript-export-btn:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        #transcript {
            width: 100%;
            max-width: 800px;
            flex: 1;
            min-height: 120px;
            max-height: none;
            overflow-y: auto;
            border-radius: 14px;
            border: 1px solid var(--border);
            background: var(--bg-secondary);
            padding: 14px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            transition: background 0.3s, padding 0.3s, opacity 0.3s;
        }

        #transcript.hidden {
            flex: 0;
            min-height: 0;
            max-height: 0;
            padding: 0 14px;
            opacity: 0;
            overflow: hidden;
            border-color: transparent;
        }

        .transcript-empty {
            color: var(--text-muted);
            font-style: italic;
            font-size: 0.85rem;
            text-align: center;
            padding: 20px;
        }

        .transcript-msg {
            padding: 10px 14px;
            border-radius: 12px;
            font-size: 0.88rem;
            line-height: 1.5;
            max-width: 80%;
            word-wrap: break-word;
        }

        .transcript-msg.user {
            background: var(--transcript-user);
            align-self: flex-end;
            border-bottom-right-radius: 4px;
        }

        .transcript-msg.ai {
            background: var(--transcript-ai);
            align-self: flex-start;
            border-bottom-left-radius: 4px;
        }

        .transcript-msg .sender {
            font-weight: 600;
            font-size: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 3px;
            opacity: 0.6;
        }

        .transcript-msg.user .sender { color: var(--accent); }
        .transcript-msg.ai .sender { color: var(--accent2); }

        /* ═══════════════════════════════════════
           TRANSCRIPTEUR
           ═══════════════════════════════════════ */
        .transcripteur-mode #personaHeader {
            max-width: none;
            margin: 0;
        }

        .transcripteur-mode .transcripteur-top {
            display: flex;
            align-items: center;
            gap: 16px;
            width: 100%;
            max-width: 800px;
            margin: 0 auto;
        }

        .transcripteur-mode .transcripteur-top #personaHeader {
            flex: 1;
            min-width: 0;
        }

        .transcripteur-mode .transcripteur-top .viz-container {
            flex: 0 0 140px;
            width: 140px;
            height: 140px;
        }

        .transcripteur-mode .transcripteur-top .viz-container canvas {
            width: 140px;
            max-width: 140px;
        }

        .transcripteur-mode #vizBar,
        .transcripteur-mode #visualizers {
            display: none !important;
        }

        .transcripteur-mode #transcript {
            flex: 1;
            min-height: 200px;
        }

        .transcript-flowing-text {
            margin: 0.2em 0;
            line-height: 1.7;
            color: var(--text-primary);
            font-size: 0.92rem;
        }

        .transcript-pause-separator {
            border: none;
            border-top: 1px dashed var(--text-muted);
            margin: 12px 0;
            opacity: 0.4;
        }

        .transcript-flowing-text .non-speech {
            font-style: italic;
            color: var(--text-muted);
        }

        .btn-pause {
            background: none;
            border: 2px solid var(--accent);
            color: var(--accent);
            width: 42px;
            height: 42px;
            border-radius: 50%;
            cursor: pointer;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s;
            flex-shrink: 0;
        }

        .btn-pause:hover {
            background: var(--accent);
            color: #fff;
        }

        .btn-pause.paused {
            border-color: var(--success);
            color: var(--success);
        }

        .btn-pause.paused:hover {
            background: var(--success);
            color: #fff;
        }

        .transcripteur-placeholder {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: linear-gradient(135deg, #5c6bc0, #7e57c2);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: Georgia, 'Times New Roman', serif;
            font-size: 1.6rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .persona-item .transcripteur-sidebar-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, #5c6bc0, #7e57c2);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: Georgia, 'Times New Roman', serif;
            font-size: 1.2rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .welcome-card .transcripteur-card-icon {
            width: 64px;
            height: 64px;
            border-radius: 14px;
            background: linear-gradient(135deg, #5c6bc0, #7e57c2);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: Georgia, 'Times New Roman', serif;
            font-size: 2.2rem;
            font-weight: 700;
        }

        /* Export transcripteur : choix de format */
        .export-format-choice {
            display: flex;
            gap: 14px;
            justify-content: center;
            margin-top: 20px;
        }

        .export-format-choice button {
            padding: 14px 28px;
            border: 1px solid var(--border);
            border-radius: 12px;
            background: var(--bg-secondary);
            color: var(--text-primary);
            cursor: pointer;
            font-size: 0.9rem;
            font-weight: 600;
            transition: all 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .export-format-choice button:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px var(--shadow);
        }

        .export-cancel-btn {
            background: none;
            border: none;
            color: var(--text-muted);
            cursor: pointer;
            font-size: 0.82rem;
            margin-top: 18px;
            padding: 6px 16px;
            transition: color 0.15s;
        }

        .export-cancel-btn:hover {
            color: var(--text-primary);
        }

        /* ═══════════════════════════════════════
           MODALS
           ═══════════════════════════════════════ */
        .modal-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.6);
            backdrop-filter: blur(4px);
            z-index: 200;
            align-items: center;
            justify-content: center;
        }

        .modal-overlay.active { display: flex; }

        .modal {
            background: var(--modal-bg);
            border-radius: 20px;
            padding: 2rem;
            width: 520px;
            max-width: 95vw;
            max-height: 90vh;
            overflow-y: auto;
            box-shadow: 0 20px 60px var(--shadow);
            transition: background 0.3s;
        }

        .modal h2 {
            font-size: 1.3rem;
            font-weight: 500;
            margin-bottom: 1.5rem;
            text-align: center;
        }

        .modal label {
            display: block;
            font-size: 0.8rem;
            color: var(--text-secondary);
            margin-bottom: 0.3rem;
            margin-top: 1rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .modal label:first-of-type { margin-top: 0; }

        .modal input[type="password"],
        .modal input[type="text"],
        .modal select,
        .modal textarea {
            width: 100%;
            padding: 10px 12px;
            background: var(--bg-input);
            border: 1px solid var(--border);
            border-radius: 10px;
            color: var(--text-primary);
            font-size: 0.9rem;
            font-family: inherit;
            transition: border-color 0.2s, background 0.3s;
        }

        .modal input:focus, .modal select:focus, .modal textarea:focus {
            border-color: var(--accent);
        }

        .modal textarea {
            resize: vertical;
            min-height: 160px;
            line-height: 1.5;
            font-size: 0.85rem;
        }

        .modal .hint {
            font-size: 0.73rem;
            color: var(--text-muted);
            margin-top: 0.2rem;
        }

        /* Image upload/generate row */
        .image-row {
            display: flex;
            gap: 12px;
            align-items: center;
            margin-top: 0.5rem;
        }

        .image-preview {
            width: 80px;
            height: 80px;
            border-radius: 12px;
            background: var(--bg-input);
            border: 1px solid var(--border);
            object-fit: cover;
            flex-shrink: 0;
        }

        .image-preview-placeholder {
            width: 80px;
            height: 80px;
            border-radius: 12px;
            background: var(--bg-input);
            border: 1px dashed var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 0.75rem;
            text-align: center;
            flex-shrink: 0;
        }

        .image-actions {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .btn-small {
            padding: 7px 14px;
            border: 1px solid var(--border);
            border-radius: 8px;
            background: var(--bg-hover);
            color: var(--text-primary);
            font-size: 0.8rem;
            cursor: pointer;
            transition: all 0.15s;
            white-space: nowrap;
        }

        .btn-small:hover { border-color: var(--accent); color: var(--accent); }
        .btn-small:disabled { opacity: 0.4; cursor: wait; }

        /* Toggle switch */
        .toggle-row {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            margin-top: 1rem;
        }

        .toggle-row label {
            margin: 0;
            text-transform: none;
            font-size: 0.88rem;
            color: var(--text-primary);
            cursor: pointer;
        }

        .toggle-switch {
            position: relative;
            width: 40px;
            height: 22px;
            flex-shrink: 0;
        }

        .toggle-switch input {
            opacity: 0;
            width: 100%;
            height: 100%;
            position: absolute;
            top: 0;
            left: 0;
            margin: 0;
            cursor: pointer;
            z-index: 2;
        }

        .toggle-slider {
            position: absolute;
            inset: 0;
            background: var(--text-muted);
            border-radius: 22px;
            cursor: pointer;
            transition: background 0.3s;
        }

        .toggle-slider::before {
            content: '';
            position: absolute;
            width: 16px;
            height: 16px;
            left: 3px;
            top: 3px;
            background: #fff;
            border-radius: 50%;
            transition: transform 0.3s;
        }

        .toggle-switch input:checked + .toggle-slider { background: var(--accent); }
        .toggle-switch input:checked + .toggle-slider::before { transform: translateX(18px); }

        /* Bouton sauvegarder */
        .btn-save {
            display: block;
            width: 100%;
            margin-top: 1.5rem;
            padding: 12px;
            background: linear-gradient(135deg, var(--accent), #29b6f6);
            color: #fff;
            font-weight: 700;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.2s;
        }

        .btn-save:hover { transform: scale(1.02); }

        .modal-buttons {
            display: flex;
            gap: 10px;
            margin-top: 1.5rem;
        }

        .modal-buttons .btn-save { margin-top: 0; }

        .persona-share-row {
            display: flex;
            gap: 8px;
            margin-top: 8px;
            padding-top: 10px;
            border-top: 1px solid var(--border);
        }

        .persona-share-row .btn-small {
            flex: 1;
            text-align: center;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 4px;
        }

        .btn-cancel {
            display: block;
            width: 100%;
            padding: 12px;
            background: var(--bg-hover);
            color: var(--text-secondary);
            border: 1px solid var(--border);
            border-radius: 50px;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.2s;
        }

        .btn-cancel:hover { color: var(--text-primary); }

        .modal-close {
            position: absolute;
            top: 14px;
            right: 16px;
            background: none;
            border: none;
            color: var(--text-secondary);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 4px 8px;
            min-width: 40px;
            min-height: 40px;
            border-radius: 6px;
            transition: all 0.15s;
            line-height: 1;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .modal-close:hover { color: var(--text-primary); background: var(--bg-hover); }

        /* Sauvegarde modal */
        .backup-warning {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            padding: 14px 16px;
            background: var(--bg-input);
            border-left: 3px solid var(--accent2);
            border-radius: 8px;
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .backup-actions {
            display: flex;
            gap: 10px;
            margin-top: 4px;
        }

        .backup-action-btn {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            padding: 18px 12px;
            border: 1px solid var(--border);
            border-radius: 14px;
            background: var(--bg-input);
            color: var(--text-primary);
            cursor: pointer;
            transition: all 0.15s;
            text-align: center;
            font-family: inherit;
            font-size: 0.85rem;
        }

        .backup-action-btn:hover {
            border-color: var(--accent);
            background: var(--bg-active);
        }

        .backup-export {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            font-weight: 600;
        }

        .backup-export:hover {
            opacity: 0.9;
            background: var(--accent);
            border-color: var(--accent);
        }

        .backup-action-sub {
            font-size: 0.72rem;
            font-weight: 400;
            opacity: 0.8;
        }

        /* Dialogues custom */
        .dialog-overlay {
            display: flex;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.5);
            backdrop-filter: blur(4px);
            z-index: 300;
            align-items: center;
            justify-content: center;
            animation: dialogFadeIn 0.15s ease;
        }
        @keyframes dialogFadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        .dialog-box {
            background: var(--modal-bg);
            border-radius: 18px;
            padding: 28px 30px 22px;
            width: 400px;
            max-width: 92vw;
            box-shadow: 0 16px 48px var(--shadow);
            text-align: center;
            animation: dialogSlideIn 0.2s ease;
        }
        @keyframes dialogSlideIn {
            from { transform: translateY(12px) scale(0.97); opacity: 0; }
            to { transform: translateY(0) scale(1); opacity: 1; }
        }
        .dialog-icon {
            font-size: 2rem;
            margin-bottom: 10px;
            filter: grayscale(1);
            opacity: 0.4;
        }
        .dialog-title {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .dialog-message {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.55;
            margin-bottom: 20px;
        }
        .dialog-buttons {
            display: flex;
            gap: 10px;
            justify-content: center;
        }
        .dialog-btn {
            padding: 10px 24px;
            border-radius: 50px;
            font-size: 0.88rem;
            font-weight: 600;
            cursor: pointer;
            border: 1px solid var(--border);
            background: var(--bg-hover);
            color: var(--text-primary);
            transition: all 0.15s;
            font-family: inherit;
        }
        .dialog-btn:hover {
            background: var(--bg-active);
        }
        .dialog-btn-primary {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }
        .dialog-btn-primary:hover {
            opacity: 0.9;
            background: var(--accent);
        }
        .dialog-btn-danger {
            background: var(--danger);
            color: #fff;
            border-color: var(--danger);
        }
        .dialog-btn-danger:hover {
            opacity: 0.9;
            background: var(--danger);
        }

        /* Icônes dans les boutons : gris, pas coloré */
        .icon {
            filter: grayscale(1);
            opacity: 0.45;
        }

        .btn-save .icon,
        .btn-new-persona .icon,
        .backup-export .icon,
        .btn-start .icon,
        .btn-stop .icon {
            opacity: 0.7;
        }

        /* Insights checkboxes */
        .insight-item {
            padding: 10px 12px;
            border-radius: 10px;
            background: var(--bg-input);
            margin-bottom: 6px;
            transition: background 0.15s;
        }
        .insight-item:hover { background: var(--bg-hover); }
        .insight-item-top {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            cursor: pointer;
        }
        .insight-item input[type="checkbox"] {
            margin-top: 2px;
            accent-color: var(--accent);
            width: 16px;
            height: 16px;
            flex-shrink: 0;
        }
        .insight-item label {
            margin: 0;
            text-transform: none;
            font-size: 0.88rem;
            color: var(--text-primary);
            cursor: pointer;
            line-height: 1.4;
            flex: 1;
        }
        .insight-dest-row {
            display: flex;
            gap: 6px;
            margin-top: 7px;
            margin-left: 26px;
        }
        .insight-dest-btn {
            padding: 3px 10px;
            border: 1px solid var(--border);
            border-radius: 6px;
            background: transparent;
            color: var(--text-muted);
            font-size: 0.72rem;
            cursor: pointer;
            transition: all 0.15s;
        }
        .insight-dest-btn.active {
            border-color: var(--accent);
            color: var(--accent);
            background: var(--bg-active);
        }
        .insight-dest-btn:hover:not(.active) {
            color: var(--text-secondary);
            border-color: var(--text-muted);
        }

        .api-key-required {
            background: rgba(239, 83, 80, 0.1);
            border: 1px solid var(--danger);
            border-radius: 10px;
            padding: 12px 14px;
            margin-bottom: 12px;
            font-size: 0.85rem;
            color: var(--danger);
            text-align: center;
            line-height: 1.5;
        }

        .api-guide {
            background: var(--bg-hover);
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 14px 16px;
            margin: 10px 0;
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .api-guide ol {
            margin: 6px 0 8px 18px;
            padding: 0;
        }

        .api-guide li {
            margin-bottom: 3px;
        }

        .api-guide a {
            color: var(--accent);
            text-decoration: none;
        }

        .api-guide a:hover {
            text-decoration: underline;
        }

        .api-guide code {
            background: var(--bg-input);
            padding: 1px 5px;
            border-radius: 4px;
            font-size: 0.8rem;
        }

        .api-guide p {
            margin: 4px 0;
        }

        /* ═══════════════════════════════════════
           CONFIG MODAL LAYOUT
           ═══════════════════════════════════════ */
        #apiKeyModal > .modal {
            width: 640px;
            padding: 0;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        #apiKeyModal > .modal > h2 {
            padding: 1.5rem 1.5rem 0;
            margin-bottom: 0.8rem;
        }

        #apiKeyModal > .modal > .api-key-required {
            margin: 0 1.5rem 0.8rem;
        }

        #apiKeyModal > .modal > .btn-save {
            margin: 1rem 1.5rem 1.5rem;
            width: auto;
        }

        .config-layout {
            display: grid;
            grid-template-columns: 170px 1fr;
            min-height: 380px;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            flex: 1;
            overflow: hidden;
        }

        .config-nav {
            background: var(--bg-input);
            padding: 12px 0;
            display: flex;
            flex-direction: column;
            gap: 2px;
            border-right: 1px solid var(--border);
        }

        .config-nav-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 11px 18px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-secondary);
            cursor: pointer;
            border: none;
            background: none;
            text-align: left;
            border-radius: 0;
            transition: all 0.15s;
            font-family: inherit;
            white-space: nowrap;
        }

        .config-nav-item:hover {
            background: var(--bg-hover);
            color: var(--text-primary);
        }

        .config-nav-item.active {
            background: var(--bg-active);
            color: var(--accent);
            font-weight: 600;
            border-right: 3px solid var(--accent);
        }

        .config-panels {
            padding: 20px 24px;
            overflow-y: auto;
        }

        .config-panel {
            display: none;
            flex-direction: column;
            gap: 10px;
        }

        .config-panel.active {
            display: flex;
        }

        .config-panel .hint {
            font-size: 0.73rem;
            color: var(--text-muted);
            margin-top: 0;
        }

        .api-key-status {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            padding: 4px 10px;
            border-radius: 8px;
            margin-top: 4px;
        }

        .api-key-status.valid {
            color: var(--success);
            background: rgba(102, 187, 106, 0.1);
        }

        .api-key-status.invalid {
            color: var(--danger);
            background: rgba(239, 83, 80, 0.1);
        }

        .api-key-status.checking {
            color: var(--text-secondary);
            background: var(--bg-hover);
        }

        .budget-bar {
            height: 6px;
            border-radius: 3px;
            background: var(--bg-input);
            overflow: hidden;
            margin-top: 4px;
        }

        .budget-bar-fill {
            height: 100%;
            border-radius: 3px;
            transition: width 0.3s;
        }

        /* ═══════════════════════════════════════
           DRAG & DROP PERSONAS
           ═══════════════════════════════════════ */
        .persona-item[draggable="true"] {
            cursor: grab;
        }

        .persona-item.dragging {
            opacity: 0.4;
        }

        .persona-item.drag-over {
            border-top: 2px solid var(--accent);
        }
        }


        /* ═══════════════════════════════════════
           STATS MODAL
           ═══════════════════════════════════════ */
        .stats-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.85rem;
            margin-top: 10px;
        }
        .stats-table th, .stats-table td {
            padding: 10px 12px;
            text-align: right;
            border-bottom: 1px solid var(--border);
        }
        .stats-table th:first-child, .stats-table td:first-child {
            text-align: left;
        }
        .stats-table th {
            font-size: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: var(--text-muted);
            font-weight: 600;
        }
        .stats-total td {
            font-weight: 600;
            color: var(--text-primary);
            border-bottom: none;
        }
        .stats-tabs {
            display: flex;
            border: 1px solid var(--border);
            border-radius: 10px;
            overflow: hidden;
            margin-bottom: 16px;
        }
        .stats-tabs button {
            flex: 1;
            padding: 8px 12px;
            border: none;
            background: transparent;
            color: var(--text-secondary);
            font-size: 0.82rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.15s;
            font-family: inherit;
        }
        .stats-tabs button.active {
            background: var(--bg-active);
            color: var(--accent);
            font-weight: 600;
        }
        .stats-tabs button:hover:not(.active) {
            background: var(--bg-hover);
        }
        .stats-charts {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 20px;
        }
        .stats-chart-title {
            font-size: 0.72rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .stats-bar-row {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 6px;
            font-size: 0.78rem;
        }
        .stats-bar-label {
            width: 70px;
            text-align: right;
            color: var(--text-secondary);
            flex-shrink: 0;
        }
        .stats-bar-track {
            flex: 1;
            height: 14px;
            background: var(--bg-hover);
            border-radius: 4px;
            overflow: hidden;
        }
        .stats-bar-fill {
            height: 100%;
            border-radius: 4px;
            min-width: 2px;
            transition: width 0.3s;
        }
        .stats-bar-value {
            width: 55px;
            text-align: left;
            color: var(--text-secondary);
            flex-shrink: 0;
        }

        /* ═══════════════════════════════════════
           RESPONSIVE
           ═══════════════════════════════════════ */
        @media (max-width: 900px) {
            body { grid-template-columns: 0px 1fr; }
            body.sidebar-collapsed { grid-template-columns: 0px 1fr; }
            #sidebar { opacity: 0; pointer-events: none; }
            #sidebarToggle { left: 0; border-left: 1px solid var(--border); }
            #sidebarToggle.sidebar-open { left: 280px; border-left: none; }
            body.sidebar-mobile-open { grid-template-columns: 280px 1fr; }
            body.sidebar-mobile-open #sidebar { opacity: 1; pointer-events: auto; }
        }

        @media (max-width: 600px) {
            .viz-container canvas { max-width: 140px; }
            #vizLinkWrap { margin: 0 8px; }
            .viz-label { font-size: 0.6rem; }
            #conversationBody { padding: 16px 12px; gap: 14px; }
            #personaHeader { padding: 10px 14px; gap: 10px; }
            #personaHeaderAvatar img, .persona-header-placeholder { width: 38px; height: 38px; }
            .modal { padding: 1.2rem; width: 98vw; }
            #personaHeaderName { font-size: 0.9rem; }
            #personaHeaderDesc { font-size: 0.72rem; }
            .btn { padding: 11px 24px; font-size: 0.9rem; }
            #sessionBar { flex-wrap: wrap; gap: 8px; font-size: 0.72rem; }
            #emptyState { padding: 24px 14px; }
            .welcome-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
            .welcome-card { padding: 18px 12px; }
            .welcome-card-menu-btn { opacity: 1; }
        }

        /* Console admin */
        .admin-section {
            margin-top: 18px;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }
        .admin-section h3 {
            font-size: 0.95rem;
            margin: 0 0 10px 0;
            color: var(--text-primary);
        }
        .admin-table-wrap {
            max-height: 320px;
            overflow: auto;
            border: 1px solid var(--border);
            border-radius: 10px;
        }
        .admin-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.82rem;
        }
        .admin-table th,
        .admin-table td {
            padding: 8px 10px;
            text-align: left;
            border-bottom: 1px solid var(--border);
            vertical-align: middle;
        }
        .admin-table th {
            position: sticky;
            top: 0;
            background: var(--bg-hover);
            font-weight: 700;
            font-size: 0.74rem;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            color: var(--text-secondary);
            z-index: 1;
        }
        .admin-table tr:last-child td { border-bottom: none; }
        .admin-table tr.disabled { opacity: 0.55; }
        .admin-table tr.is-self { background: rgba(41, 182, 246, 0.06); }
        .admin-badge {
            display: inline-block;
            padding: 2px 7px;
            border-radius: 10px;
            font-size: 0.68rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }
        .admin-badge.admin { background: rgba(41, 182, 246, 0.18); color: var(--accent); }
        .admin-badge.disabled { background: rgba(239, 83, 80, 0.18); color: #ef5350; }
        .admin-row-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 4px;
            justify-content: flex-end;
        }
        .admin-row-actions button {
            background: var(--bg-hover);
            color: var(--text-primary);
            border: 1px solid var(--border);
            padding: 4px 8px;
            border-radius: 6px;
            font-size: 0.72rem;
            cursor: pointer;
            transition: all 0.15s;
        }
        .admin-row-actions button:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
        .admin-row-actions button.danger:hover { background: #ef5350; border-color: #ef5350; }
        .admin-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
        }
        .admin-form .admin-form-row { display: flex; flex-direction: column; gap: 4px; }
        .admin-form .admin-form-row.full { grid-column: 1 / -1; }
        .admin-form label {
            font-size: 0.74rem;
            font-weight: 600;
            color: var(--text-secondary);
        }
        .admin-form input[type="text"],
        .admin-form input[type="email"],
        .admin-form input[type="password"],
        .admin-form input[type="number"] {
            padding: 8px 10px;
            border-radius: 8px;
            border: 1px solid var(--border);
            background: var(--bg-primary);
            color: var(--text-primary);
            font-size: 0.85rem;
            font-family: inherit;
        }
        .admin-form .admin-checkbox-row {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--text-primary);
        }
        .admin-empty {
            padding: 18px;
            text-align: center;
            color: var(--text-secondary);
            font-size: 0.85rem;
        }

        /* Scrollbar */
        ::-webkit-scrollbar { width: 6px; }
        ::-webkit-scrollbar-track { background: transparent; }
        ::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* === Overlay d'authentification (login screen, ex-bloc style inline) === */

        #kastAuthOverlay {
            position: fixed; inset: 0; z-index: 99999;
            background: var(--bg-primary);
            display: none;
            align-items: center; justify-content: center;
            padding: 20px;
        }
        #kastAuthOverlay.show { display: flex; }
        #kastAuthBox {
            background: var(--modal-bg);
            color: var(--text-primary);
            border-radius: 16px;
            padding: 32px 28px;
            width: 100%;
            max-width: 380px;
            box-shadow: 0 16px 48px var(--shadow);
        }
        #kastAuthBox h2 { margin: 0 0 18px; font-size: 1.4rem; }
        #kastAuthTabs { display: flex; gap: 4px; margin-bottom: 20px; padding: 4px; background: var(--bg-input); border-radius: 10px; }
        #kastAuthTabs button {
            flex: 1; padding: 10px; border: 0; background: transparent; cursor: pointer;
            border-radius: 8px; color: var(--text-secondary); font-weight: 600; transition: 0.15s;
        }
        #kastAuthTabs button.active { background: var(--bg-secondary); color: var(--text-primary); box-shadow: 0 1px 3px var(--shadow); }
        #kastAuthBox label { display: block; margin: 14px 0 6px; font-size: 0.85rem; font-weight: 600; }
        #kastAuthBox input {
            width: 100%; padding: 11px 12px; border: 1px solid var(--border);
            border-radius: 10px; background: var(--bg-input); color: var(--text-primary);
            font-size: 0.95rem; box-sizing: border-box;
        }
        #kastAuthBox input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
        #kastAuthSubmit {
            width: 100%; margin-top: 22px; padding: 12px;
            border: 0; border-radius: 10px; background: var(--accent); color: white;
            font-size: 1rem; font-weight: 700; cursor: pointer;
        }
        #kastAuthSubmit:disabled { opacity: 0.5; cursor: not-allowed; }
        #kastAuthError {
            margin-top: 12px; padding: 10px 12px; border-radius: 8px;
            background: rgba(239, 83, 80, 0.12); color: var(--danger);
            font-size: 0.85rem; display: none;
        }
        #kastAuthError.show { display: block; }
        #kastAuthHint {
            margin-top: 18px; font-size: 0.78rem; color: var(--text-muted);
            text-align: center; line-height: 1.5;
        }