:root {
            --bg-900: #050816;
            --bg-800: #08111f;
            --bg-700: #0e1b2d;
            --card: rgba(255, 255, 255, 0.08);
            --card-strong: rgba(255, 255, 255, 0.12);
            --border: rgba(255, 255, 255, 0.16);
            --border-soft: rgba(255, 255, 255, 0.08);
            --text: #f8fbff;
            --muted: #9fb2ca;
            --muted-strong: #c8d6e6;
            --blue: #2f80ff;
            --blue-light: #64b5ff;
            --cyan: #38d6ff;
            --success: #3ee68b;
            --warning: #ffd166;
            --danger: #ff5c7a;
            --shadow: 0 28px 90px rgba(0, 0, 0, 0.42);
            --radius-xl: 28px;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { height: 100%; }

        body {
            min-height: 100%;
            font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
            color: var(--text);
            background: #000000;
            overflow-x: hidden;
        }

        .page-shell {
            position: relative;
            width: 100%;
            min-height: 100vh;
            padding: 16px 18px;
        }

        .top-nav {
            max-width: none;
            margin: 0 auto 22px;
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 18px;
        }

        .nav-pill {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.07);
            color: var(--muted-strong);
            backdrop-filter: blur(16px);
            font-size: 13px;
            white-space: nowrap;
        }

        .nav-pill-dot {
            width: 8px; height: 8px;
            border-radius: 999px;
            background: var(--success);
            box-shadow: 0 0 18px rgba(62, 230, 139, 0.8);
        }

        .usage-pill { gap: 16px; padding: 8px 16px; }
        .usage-stat { display: flex; flex-direction: column; align-items: flex-start; line-height: 1.25; }
        .usage-label {
            font-size: 9px; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase;
            color: var(--muted);
        }
        .usage-value { font-size: 14px; font-weight: 800; color: var(--text); }
        .usage-divider { width: 1px; align-self: stretch; background: var(--border-soft); }

        .settings-menu-wrapper { position: relative; }
        .settings-gear-btn {
            display: inline-flex; align-items: center; justify-content: center;
            width: 38px; height: 38px; border-radius: 999px;
            border: 1px solid var(--border); background: rgba(255,255,255,0.07);
            color: var(--muted-strong); cursor: pointer; backdrop-filter: blur(16px);
            transition: background 0.2s, color 0.2s, transform 0.2s;
        }
        .settings-gear-btn:hover { background: rgba(255,255,255,0.14); color: var(--text); }
        .settings-gear-btn.open { color: var(--blue-light); transform: rotate(20deg); }

        .settings-menu {
            display: none;
            position: absolute; top: calc(100% + 8px); right: 0;
            min-width: 190px; width: max-content; max-width: 360px; z-index: 50;
            border: 1px solid var(--border); border-radius: var(--radius-md);
            background: var(--bg-800); box-shadow: var(--shadow);
            padding: 6px; backdrop-filter: blur(20px);
        }
        .settings-menu.open { display: block; }
        .settings-menu-item {
            display: flex; align-items: center; gap: 9px;
            width: 100%; padding: 9px 10px; border: none; border-radius: var(--radius-sm);
            background: transparent; color: var(--text); font-size: 13px; font-weight: 600;
            cursor: pointer; text-align: left;
        }
        .settings-menu-item:hover { background: rgba(255,255,255,0.08); }
        .settings-menu-user {
            padding: 8px 10px 4px; font-size: 12px; font-weight: 700;
            color: var(--muted-strong); white-space: nowrap;
        }
        .settings-menu-divider { height: 1px; margin: 4px 2px 6px; background: var(--border-soft); }
        .settings-menu-item-danger { color: var(--danger); }
        .settings-menu-item-danger:hover { background: rgba(255,92,122,0.12); }
        .settings-menu-wrapper form { margin: 0; }

        /* ── Outer 3-column shell: sidebar | chat | activity ── */
        .container {
            max-width: none;
            width: 100%;
            height: calc(100vh - 102px);
            max-height: calc(100vh - 102px);
            min-height: 0;
            margin: 0 auto;
            display: grid;
            --activity-w: minmax(0, 1fr);
            grid-template-columns: 300px minmax(0, 1fr) var(--activity-w);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            background: linear-gradient(145deg, rgba(255,255,255,0.12), rgba(255,255,255,0.045));
            box-shadow: var(--shadow);
            overflow: hidden;
            backdrop-filter: blur(26px);
        }

        /* ── Left sidebar: config + tools ── */
        .sidebar {
            min-width: 0;
            padding: 22px;
            background:
                linear-gradient(180deg, rgba(255,255,255,0.09), rgba(255,255,255,0.035)),
                rgba(5, 8, 22, 0.52);
            border-right: 1px solid var(--border-soft);
            display: flex;
            flex-direction: column;
            gap: 20px;
            overflow-y: auto;
        }

        .sidebar-card {
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            background: rgba(3, 9, 23, 0.42);
            padding: 16px;
            flex-shrink: 0;
        }

        .brand-logo { display: inline-flex; align-items: center; text-decoration: none; line-height: 0; }
        .brand-logo-img { height: 44px; width: auto; display: block; }
        .sidebar-logo { margin-bottom: 16px; }
        .sidebar-card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
        }
        .sidebar-card-top .sidebar-logo { margin-bottom: 0; }
        .config-section {
            margin-bottom: 14px;
            overflow: hidden;
        }

        /* ── Whole-sidebar slide collapse, triggered by the swifty icon ──
           The icon itself (in .sidebar-card-top) stays put and visible so
           it remains clickable to expand the panel again; everything else
           in the sidebar slides/fades away and the grid column narrows. */
        .container {
            transition: grid-template-columns 0.35s ease;
        }
        .container.sidebar-collapsed {
            grid-template-columns: 48px minmax(0, 1fr) var(--activity-w);
        }
        /* Activity panel collapsed: fixed slim strip wins over any width */
        .container.activity-collapsed {
            grid-template-columns: 300px minmax(0, 1fr) 48px;
        }
        .container.sidebar-collapsed.activity-collapsed {
            grid-template-columns: 48px minmax(0, 1fr) 48px;
        }
        .sidebar {
            transition: padding 0.35s ease;
        }
        .container.sidebar-collapsed .sidebar {
            padding: 22px 14px;
            overflow: hidden;
        }
        .container.sidebar-collapsed .sidebar-card-top {
            justify-content: center;
        }
        .sidebar-collapsible {
            overflow: hidden;
            max-height: 900px;
            opacity: 1;
            transform: translateX(0);
            transition: max-height 0.35s ease, opacity 0.25s ease, transform 0.3s ease, margin 0.35s ease;
        }
        .container.sidebar-collapsed .sidebar-collapsible {
            max-height: 0;
            opacity: 0;
            transform: translateX(-16px);
            margin: 0 !important;
            pointer-events: none;
        }
        .container.sidebar-collapsed #newConfigBtn {
            display: none;
        }

        .config-label {
            display: block;
            margin-bottom: 10px;
            color: var(--muted-strong);
            font-weight: 700;
            font-size: 13px;
            letter-spacing: 0.02em;
        }

        .config-select {
            width: 100%;
            padding: 12px 13px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            background: rgba(255,255,255,0.08);
            color: var(--text);
            font-size: 14px;
            outline: none;
            cursor: pointer;
            transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
        }
        .config-select option { background: var(--bg-800); color: var(--text); }
        .config-select:focus {
            border-color: rgba(100,181,255,0.84);
            box-shadow: 0 0 0 4px rgba(47,128,255,0.18);
            background: rgba(255,255,255,0.11);
        }

        .config-info { margin-top: 10px; color: var(--muted); font-size: 12px; line-height: 1.55; }

        .init-button {
            width: 100%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            border: 0;
            border-radius: 999px;
            padding: 13px 16px;
            background: linear-gradient(135deg, var(--blue), var(--cyan));
            color: white;
            font-weight: 800;
            font-size: 14px;
            cursor: pointer;
            box-shadow: 0 16px 34px rgba(47,128,255,0.32);
            transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
        }
        .init-button:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 20px 44px rgba(47,128,255,0.44); }
        .init-button:disabled { opacity: 0.7; cursor: not-allowed; }

        .status-indicator {
            display: inline-block;
            width: 9px; height: 9px;
            border-radius: 50%;
            background: var(--danger);
        }
        .status-indicator.connected  { background: var(--success); box-shadow: 0 0 18px rgba(62,230,139,0.8); }
        .status-indicator.disconnected { background: var(--danger);  box-shadow: 0 0 16px rgba(255,92,122,0.66); }
        .status-indicator.loading    { background: var(--warning); box-shadow: 0 0 16px rgba(255,209,102,0.72); animation: pulse 1s infinite; }

        @keyframes pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50%       { opacity: 0.52; transform: scale(0.82); }
        }

        .tools-heading {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 12px;
            flex-shrink: 0;
        }
        .tools-heading h3 { color: var(--text); font-size: 15px; letter-spacing: -0.01em; }
        .tools-badge {
            padding: 5px 8px;
            border-radius: 999px;
            color: var(--blue-light);
            background: rgba(47,128,255,0.13);
            border: 1px solid rgba(100,181,255,0.2);
            font-size: 11px;
            font-weight: 700;
        }

        .tools-list { flex: 1; min-height: 0; overflow-y: auto; padding-right: 4px; }

        .tools-list::-webkit-scrollbar { width: 4px; }
        .tools-list::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.16); border-radius: 999px; }

        .tool-item {
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            background: rgba(255,255,255,0.06);
            padding: 13px;
            margin-bottom: 10px;
        }
        .tool-name  { color: var(--text); font-weight: 800; font-size: 13px; margin-bottom: 5px; }
        .tool-description { color: var(--muted); font-size: 12px; line-height: 1.45; }
        .empty-state { color: var(--muted); font-size: 13px; text-align: center; line-height: 1.55; margin-top: 22px; }

        /* ── processing / thinking / tool_call / tool_result / response cards ── */
        .pipeline-card.processing .pipeline-card-header {
            background: rgba(255,209,102,0.13);
            color: var(--warning);
            border-bottom: 1px solid rgba(255,209,102,0.22);
        }
        .pipeline-card.thinking .pipeline-card-header {
            background: rgba(255,255,255,0.07);
            color: var(--muted-strong);
            border-bottom: 1px solid rgba(255,255,255,0.16);
        }
        .pipeline-card.tool_call .pipeline-card-header {
            background: rgba(56,214,255,0.10);
            color: var(--cyan);
            border-bottom: 1px solid rgba(56,214,255,0.18);
        }
        .pipeline-card.tool_result .pipeline-card-header {
            background: rgba(62,230,139,0.10);
            color: var(--success);
            border-bottom: 1px solid rgba(62,230,139,0.18);
        }
        .pipeline-card.response .pipeline-card-header {
            background: rgba(47,128,255,0.12);
            color: var(--blue-light);
            border-bottom: 1px solid rgba(100,181,255,0.2);
        }
        /* ── Pipeline event cards ── */
            .pipeline-card {
                margin-bottom: 14px;
                border-radius: var(--radius-md);
                border: 1px solid var(--border-soft);
                overflow: hidden;
                font-size: 13px;
                line-height: 1.55;
                word-wrap: break-word;
            }
            .pipeline-card-header {
                padding: 9px 13px;
                font-size: 11px;
                font-weight: 800;
                letter-spacing: 0.05em;
                text-transform: uppercase;
            }
            .pipeline-card-body {
                padding: 12px 13px;
                color: var(--muted-strong);
                background: rgba(0,0,0,0.18);
            }
            .pipeline-card-body .field { margin-bottom: 6px; }
            .pipeline-card-body .field-label {
                font-size: 10px; font-weight: 700;
                letter-spacing: 0.04em; text-transform: uppercase;
                color: var(--muted); margin-bottom: 2px;
            }
            .pipeline-card-body .field-value { font-size: 13px; color: var(--text); white-space: pre-wrap; }
            .pipeline-card-body .email-body {
                font-size: 12px; color: var(--muted-strong);
                background: rgba(255,255,255,0.04);
                border: 1px solid var(--border-soft);
                border-radius: 8px; padding: 10px 12px;
                margin-top: 6px; white-space: pre-wrap;
                max-height: 180px; overflow-y: auto;
            }
            .pipeline-card-ts { padding: 5px 13px 8px; font-size: 10px; color: rgba(200,214,230,0.35); }

            /* lead = blue */
            .pipeline-card.lead .pipeline-card-header { background: rgba(47,128,255,0.18); color: var(--blue-light); border-bottom: 1px solid rgba(47,128,255,0.2); }
            /* qualification */
            .pipeline-card.qualification.pass .pipeline-card-header { background: rgba(62,230,139,0.15); color: var(--success); border-bottom: 1px solid rgba(62,230,139,0.2); }
            .pipeline-card.qualification.fail .pipeline-card-header { background: rgba(255,92,122,0.15); color: var(--danger); border-bottom: 1px solid rgba(255,92,122,0.2); }
            /* email */
            .pipeline-card.email .pipeline-card-header { background: rgba(56,214,255,0.12); color: var(--cyan); border-bottom: 1px solid rgba(56,214,255,0.18); }
            /* intermediate steps */
            .pipeline-card.processing .pipeline-card-header { background: rgba(255,209,102,0.13); color: var(--warning); border-bottom: 1px solid rgba(255,209,102,0.22); }
            .pipeline-card.thinking .pipeline-card-header { background: rgba(255,255,255,0.07); color: var(--muted-strong); border-bottom: 1px solid var(--border-soft); }
            .pipeline-card.tool_call .pipeline-card-header { background: rgba(56,214,255,0.10); color: var(--cyan); border-bottom: 1px solid rgba(56,214,255,0.18); }
            .pipeline-card.tool_result .pipeline-card-header { background: rgba(62,230,139,0.10); color: var(--success); border-bottom: 1px solid rgba(62,230,139,0.18); }
            .pipeline-card.response .pipeline-card-header { background: rgba(47,128,255,0.12); color: var(--blue-light); border-bottom: 1px solid rgba(100,181,255,0.2); }
        .panel {
            min-width: 0;
            min-height: 0;
            display: flex;
            flex-direction: column;
            background: rgba(2, 7, 18, 0.26);
        }

        .panel + .panel {
            border-left: 1px solid var(--border-soft);
        }

        .panel-header {
            flex-shrink: 0;
            padding: 18px 22px;
            border-bottom: 1px solid var(--border-soft);
            background: linear-gradient(90deg, rgba(47,128,255,0.12), transparent), rgba(255,255,255,0.03);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .panel-header h2 {
            font-size: 17px;
            letter-spacing: -0.03em;
        }

        .panel-header p {
            color: var(--muted);
            font-size: 12px;
            margin-top: 3px;
        }

        .panel-header-actions {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }

        .mini-stat {
            padding: 7px 11px;
            border-radius: 999px;
            background: rgba(255,255,255,0.07);
            border: 1px solid var(--border-soft);
            color: var(--muted-strong);
            font-size: 11px;
            white-space: nowrap;
        }

        .supervisor-btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 9px 14px;
            border: 0;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--success), #27ae78);
            color: white;
            font-weight: 800;
            font-size: 12px;
            cursor: pointer;
            box-shadow: 0 10px 24px rgba(62,230,139,0.3);
            transition: background 0.25s, transform 0.2s, box-shadow 0.2s;
            white-space: nowrap;
        }
        .supervisor-btn:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 14px 32px rgba(62,230,139,0.42); }
        .supervisor-btn.running { background: linear-gradient(135deg, var(--danger), #c0392b); box-shadow: 0 10px 24px rgba(255,92,122,0.32); }
        .supervisor-btn.running:hover:not(:disabled) { box-shadow: 0 14px 32px rgba(255,92,122,0.46); }
        .supervisor-btn:disabled { opacity: 0.6; cursor: not-allowed; }

        /* ── Message feeds ── */
        .messages {
            min-height: 0;
            flex: 1;
            overflow-y: auto;
            padding: 22px;
        }
        .messages::-webkit-scrollbar { width: 4px; }
        .messages::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.16); border-radius: 999px; }

        .message {
            margin-bottom: 16px;
            display: flex;
            align-items: flex-start;
            flex-wrap: wrap;
            gap: 6px;
        }
        .message.user { justify-content: flex-end; }

        .message-content {
            max-width: min(600px, 82%);
            padding: 13px 16px;
            border-radius: 18px;
            word-wrap: break-word;
            line-height: 1.55;
            font-size: 13px;
        }
        .message.user .message-content {
            background: linear-gradient(135deg, var(--blue), var(--cyan));
            color: white;
            border-bottom-right-radius: 6px;
            box-shadow: 0 10px 22px rgba(47,128,255,0.2);
        }
        .message.ai .message-content {
            color: var(--muted-strong);
            background: rgba(255,255,255,0.085);
            border: 1px solid var(--border-soft);
            border-bottom-left-radius: 6px;
        }
        .message.ai .message-content strong { color: var(--text); }
        .message-content ul { margin: 8px 0; padding-left: 18px; }

        .message-meta {
            flex-basis: 100%;
            color: rgba(200,214,230,0.45);
            font-size: 10px;
            padding: 0 5px;
        }
        .message.user .message-meta { text-align: right; }

        .tools-used { flex-basis: 100%; color: var(--muted); font-size: 11px; }
        .tool-badge {
            display: inline-block;
            margin: 2px 3px 0 0;
            padding: 3px 6px;
            border-radius: 999px;
            background: rgba(47,128,255,0.14);
            border: 1px solid rgba(100,181,255,0.22);
            color: var(--blue-light);
            font-size: 10px;
            font-weight: 700;
        }

        /* ── Activity feed specific ── */
        .activity-entry {
            margin-bottom: 14px;
            padding: 13px 15px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
            background: rgba(255,255,255,0.05);
            font-size: 13px;
            line-height: 1.55;
            color: var(--muted-strong);
            word-wrap: break-word;
        }
        .activity-entry .agent-label {
            font-size: 10px;
            font-weight: 800;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 6px;
            color: var(--cyan);
        }
        .activity-entry .activity-time {
            display: block;
            margin-top: 6px;
            font-size: 10px;
            color: rgba(200,214,230,0.4);
        }
        .activity-entry.supervisor .agent-label { color: var(--success); }
        .activity-entry.error .agent-label      { color: var(--danger); }
        .activity-entry.tool  .agent-label      { color: var(--warning); }

        .live-indicator {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 11px;
            color: var(--success);
            font-weight: 700;
        }
        .live-dot {
            width: 7px; height: 7px;
            border-radius: 50%;
            background: var(--success);
            box-shadow: 0 0 10px rgba(62,230,139,0.8);
            animation: pulse 1.2s infinite;
        }

        .running-supervisors {
            display: flex; flex-wrap: wrap; gap: 8px;
            padding: 0 20px 14px;
        }
        .running-supervisor-pill {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 6px 8px 6px 12px; border-radius: 999px;
            background: rgba(62,230,139,0.1); border: 1px solid rgba(62,230,139,0.35);
            font-size: 12px; font-weight: 700; color: var(--text);
        }
        .running-supervisor-pill .stop-supervisor-btn {
            border: none; background: rgba(255,92,122,0.16); color: var(--danger);
            font-size: 11px; font-weight: 800; padding: 4px 10px; border-radius: 999px;
            cursor: pointer; transition: background 0.2s;
        }
        .running-supervisor-pill .stop-supervisor-btn:hover { background: rgba(255,92,122,0.32); }
        .running-supervisor-pill .stop-supervisor-btn:disabled { opacity: 0.6; cursor: not-allowed; }
        .running-supervisor-pill.stopping {
            background: rgba(255,196,84,0.1);
            border-color: rgba(255,196,84,0.35);
        }
        .running-supervisor-pill.stopping .live-dot {
            background: #ffc454;
            box-shadow: 0 0 10px rgba(255,196,84,0.8);
        }

        /* ── Chat input ── */
        .input-area {
            flex-shrink: 0;
            padding: 16px 22px 22px;
            border-top: 1px solid var(--border-soft);
            background: rgba(3, 9, 23, 0.54);
        }

        .input-container {
            display: flex;
            align-items: flex-end;
            gap: 10px;
            border: 1px solid var(--border);
            border-radius: 22px;
            padding: 8px;
            background: rgba(255,255,255,0.08);
            box-shadow: inset 0 1px 0 rgba(255,255,255,0.08);
        }

        .message-input {
            flex: 1;
            min-height: 24px;
            max-height: 120px;
            padding: 9px 11px;
            border: 0;
            outline: 0;
            resize: none;
            color: var(--text);
            background: transparent;
            font: inherit;
            font-size: 13px;
            line-height: 1.5;
        }
        .message-input::placeholder { color: rgba(200,214,230,0.5); }
        .message-input:disabled { cursor: not-allowed; opacity: 0.65; }

        .send-button {
            flex: 0 0 auto;
            width: 42px; height: 42px;
            border: 0;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--blue), var(--cyan));
            color: white;
            cursor: pointer;
            display: grid;
            place-items: center;
            box-shadow: 0 10px 24px rgba(47,128,255,0.3);
            transition: transform 0.2s, opacity 0.2s;
        }
        .send-button:hover:not(:disabled) { transform: translateY(-1px); }
        .send-button:disabled { opacity: 0.52; cursor: not-allowed; }

        .loading {
            width: 18px; height: 18px;
            border: 2px solid rgba(255,255,255,0.28);
            border-top: 2px solid white;
            border-radius: 50%;
            animation: spin 0.9s linear infinite;
        }

        @keyframes spin { to { transform: rotate(360deg); } }

        /* ── Responsive ── */
        @media (max-width: 1100px) {
            .container { grid-template-columns: 260px minmax(0,1fr) minmax(0,1fr); }
        }

        @media (max-width: 900px) {
            .page-shell { padding: 0; }
            .top-nav { padding: 18px; margin-bottom: 0; }
            .nav-pill { display: none; }
            .container {
                height: calc(100vh - 84px);
                border-radius: 0;
                border-left: 0; border-right: 0;
                grid-template-columns: 1fr 1fr;
            }
            .sidebar { display: none; }
            .panel-header { padding: 14px 16px; }
            .messages { padding: 14px; }
            .input-area { padding: 10px 14px 16px; }
        }

        @media (max-width: 600px) {
            .container { grid-template-columns: 1fr; }
            /* On very small screens show only chat, activity hidden */
            .panel.activity-panel { display: none; }
        }

        /* ── Config dropdown + action buttons row ── */
        .config-select-row {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .config-select-row .config-select { flex: 1; min-width: 0; }
        .config-icon-btn {
            flex: 0 0 auto;
            width: 40px; height: 40px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            background: rgba(255,255,255,0.08);
            color: var(--text);
            font-size: 18px;
            cursor: pointer;
            display: grid;
            place-items: center;
            transition: background 0.2s, border-color 0.2s, transform 0.15s;
        }
        .config-icon-btn:hover { background: rgba(47,128,255,0.18); border-color: rgba(100,181,255,0.5); transform: translateY(-1px); }
        .config-icon-btn svg { width: 16px; height: 16px; }

        /* ── Modal overlay ── */
        .modal-overlay {
            position: fixed;
            inset: 0;
            background: rgba(2, 6, 16, 0.72);
            backdrop-filter: blur(8px);
            display: none;
            align-items: center;
            justify-content: center;
            z-index: 1000;
            padding: 24px;
        }
        .modal-overlay.open { display: flex; }

        .modal {
            width: 100%;
            max-width: 720px;
            max-height: 88vh;
            display: flex;
            flex-direction: column;
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            background: linear-gradient(145deg, rgba(18,26,44,0.98), rgba(8,14,28,0.98));
            box-shadow: var(--shadow);
            overflow: hidden;
        }
        .modal-header {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            border-bottom: 1px solid var(--border-soft);
            background: linear-gradient(90deg, rgba(47,128,255,0.14), transparent);
        }
        .modal-header h2 { font-size: 17px; letter-spacing: -0.02em; }
        .modal-close {
            border: 0; background: transparent; color: var(--muted-strong);
            font-size: 22px; cursor: pointer; line-height: 1;
            width: 32px; height: 32px; border-radius: 8px;
        }
        .modal-close:hover { background: rgba(255,255,255,0.08); color: var(--text); }

        .modal-body { padding: 20px 22px; overflow-y: auto; }
        .modal-body::-webkit-scrollbar { width: 6px; }
        .modal-body::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.16); border-radius: 999px; }

        .form-group { margin-bottom: 16px; }
        .form-label {
            display: block; margin-bottom: 7px;
            color: var(--muted-strong); font-weight: 700;
            font-size: 12px; letter-spacing: 0.02em;
        }
        .form-input, .form-textarea {
            width: 100%;
            padding: 11px 13px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            background: rgba(255,255,255,0.06);
            color: var(--text);
            font: inherit;
            font-size: 13px;
            outline: none;
            transition: border-color 0.2s, box-shadow 0.2s;
        }
        .form-input:focus, .form-textarea:focus {
            border-color: rgba(100,181,255,0.84);
            box-shadow: 0 0 0 3px rgba(47,128,255,0.16);
        }
        .form-textarea { resize: vertical; min-height: 120px; line-height: 1.5; }
        .form-textarea.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }

        /* ── Password visibility toggle ── */
        .password-field { position: relative; }
        /* Extra right padding so the value never runs under the eye icon.
           Native browser reveal controls (Edge, Safari) are hidden so we
           don't end up with two competing toggles. */
        .password-field .form-input { padding-right: 42px; }
        .password-field .form-input::-ms-reveal,
        .password-field .form-input::-ms-clear { display: none; }
        .password-toggle {
            position: absolute;
            top: 0; right: 0;
            height: 100%;
            width: 40px;
            display: flex; align-items: center; justify-content: center;
            background: none; border: none; padding: 0;
            color: var(--muted);
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: color 0.15s;
        }
        .password-toggle:hover { color: var(--text); }
        .password-toggle:focus-visible {
            outline: none;
            color: var(--blue-light);
            box-shadow: 0 0 0 2px rgba(47,128,255,0.35);
        }
        /* Only one of the two icons is shown at a time. */
        .password-toggle .icon-hide { display: none; }
        .password-toggle.revealed .icon-show { display: none; }
        .password-toggle.revealed .icon-hide { display: block; }
        .system-prompt-textarea {
            width: 100%; min-height: 420px; margin-top: 10px;
            font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
            font-size: 12.5px; line-height: 1.6; white-space: pre-wrap;
        }
        .prompt-status {
            display: inline-block; margin-top: 12px;
            font-size: 10px; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase;
            padding: 4px 10px; border-radius: 999px;
        }
        .prompt-status.custom {
            color: var(--success); background: rgba(62,230,139,0.12);
            border: 1px solid rgba(62,230,139,0.35);
        }
        .prompt-status.default {
            color: var(--muted); background: rgba(255,255,255,0.06);
            border: 1px solid var(--border-soft);
        }
        .form-row { display: flex; gap: 12px; }
        .form-row .form-group { flex: 1; }
        .form-hint { margin-top: 5px; font-size: 11px; color: var(--muted); line-height: 1.5; }

        .form-section-title {
            font-size: 13px; font-weight: 800; color: var(--text);
            margin: 22px 0 12px; padding-bottom: 8px;
            border-bottom: 1px solid var(--border-soft);
            display: flex; align-items: center; justify-content: space-between;
        }

        .mcp-server-card {
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            background: rgba(255,255,255,0.04);
            padding: 14px;
            margin-bottom: 12px;
        }
        .mcp-server-card-head {
            display: flex; align-items: center; gap: 10px; margin-bottom: 12px;
        }
        .mcp-server-card-head .form-input { flex: 1; }
        .mcp-toggle { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted-strong); white-space: nowrap; }
        .mcp-remove-btn {
            border: 0; background: rgba(255,92,122,0.14); color: var(--danger);
            border-radius: 8px; width: 32px; height: 32px; cursor: pointer; font-size: 16px;
            flex: 0 0 auto;
        }
        .mcp-remove-btn:hover { background: rgba(255,92,122,0.26); }

        .text-btn {
            border: 1px dashed var(--border); background: transparent;
            color: var(--blue-light); border-radius: var(--radius-sm);
            padding: 9px 14px; font-size: 12px; font-weight: 700; cursor: pointer;
            transition: background 0.2s, border-color 0.2s;
        }
        .text-btn:hover { background: rgba(47,128,255,0.1); border-color: rgba(100,181,255,0.5); }

        .mcp-add-select {
            border: 1px dashed var(--border); background: var(--bg-800);
            color: var(--blue-light); border-radius: var(--radius-sm);
            padding: 8px 10px; font-size: 12px; font-weight: 700; cursor: pointer;
            max-width: 220px;
        }
        .mcp-add-select:hover { border-color: rgba(100,181,255,0.5); }
        .agent-card {
            display: flex; align-items: center; justify-content: space-between;
            border: 1px solid var(--border-soft); border-radius: var(--radius-md);
            background: rgba(255,255,255,0.04); padding: 12px 14px; margin-bottom: 10px;
            transition: border-color 0.2s, opacity 0.2s;
        }
        .agent-card-name { font-size: 13px; font-weight: 700; color: var(--text); }
        .agent-card-pending-label {
            display: none; color: var(--danger); font-weight: 800; font-size: 11px;
            margin-left: 10px; text-transform: uppercase; letter-spacing: 0.03em;
        }
        .agent-card.pending-delete {
            border-color: rgba(255,92,122,0.5); opacity: 0.75;
        }
        .agent-card.pending-delete .agent-card-name {
            text-decoration: line-through; color: var(--danger);
        }
        .agent-card.pending-delete .agent-card-pending-label { display: inline; }
        #swiftyIcon { cursor: pointer; }



        .modal-footer {
            flex-shrink: 0;
            display: flex; align-items: center; justify-content: space-between; gap: 12px;
            padding: 16px 22px;
            border-top: 1px solid var(--border-soft);
            background: rgba(3, 9, 23, 0.5);
        }
        .modal-error { color: var(--danger); font-size: 12px; flex: 1; }
        .btn-primary {
            border: 0; border-radius: 999px; padding: 11px 22px;
            background: linear-gradient(135deg, var(--blue), var(--cyan));
            color: white; font-weight: 800; font-size: 13px; cursor: pointer;
            box-shadow: 0 12px 26px rgba(47,128,255,0.3);
            transition: transform 0.2s, opacity 0.2s;
        }
        .btn-primary:hover:not(:disabled) { transform: translateY(-1px); }
        .btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }
        .btn-secondary {
            border: 1px solid var(--border); border-radius: 999px; padding: 11px 18px;
            background: rgba(255,255,255,0.06); color: var(--muted-strong);
            font-weight: 700; font-size: 13px; cursor: pointer;
        }
        .btn-secondary:hover { background: rgba(255,255,255,0.1); color: var(--text); }
        .btn-danger {
            border: 1px solid rgba(255,92,122,0.45); border-radius: 999px; padding: 11px 18px;
            background: rgba(255,92,122,0.1); color: var(--danger);
            font-weight: 700; font-size: 13px; cursor: pointer;
            transition: background 0.2s;
        }
        .btn-danger:hover { background: rgba(255,92,122,0.22); }
        /* ── "Thinking…" chat indicator (shown while agents are working) ── */
        .thinking-dots span {
            animation: thinking-blink 1.4s infinite both;
        }
        .thinking-dots span:nth-child(2) { animation-delay: 0.2s; }
        .thinking-dots span:nth-child(3) { animation-delay: 0.4s; }
        @keyframes thinking-blink {
            0%, 80%, 100% { opacity: 0.2; }
            40% { opacity: 1; }
        }

        /* ── Rich chat content: images & charts ── */
        .chat-img {
            display: block;
            max-width: 100%;
            max-height: 360px;
            margin: 8px 0;
            border-radius: 8px;
            border: 1px solid rgba(255,255,255,0.08);
        }
        .chart-wrap {
            position: relative;
            height: 280px;
            margin: 10px 0;
            padding: 10px;
            background: rgba(255,255,255,0.03);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: 8px;
        }
        .chart-error {
            color: #ff8fa3;
            font-size: 13px;
            padding: 8px;
        }


        /* ── Activity panel: collapse + width resize ── */
        .activity-panel { position: relative; }

        .activity-resizer {
            position: absolute;
            left: 0; top: 0; bottom: 0;
            width: 6px;
            cursor: col-resize;
            z-index: 5;
        }
        .activity-resizer:hover { background: rgba(255,255,255,0.12); }

        .activity-collapsed-strip {
            display: none;
            position: absolute;
            inset: 0;
            width: 100%;
            border: none;
            background: rgba(5, 8, 22, 0.4);
            color: var(--text-soft, #9aa0b0);
            cursor: pointer;
            align-items: center;
            justify-content: flex-start;
            flex-direction: column;
            gap: 10px;
            padding-top: 18px;
            z-index: 6;
        }
        .activity-collapsed-strip:hover { background: rgba(255,255,255,0.06); }
        .activity-strip-label {
            writing-mode: vertical-rl;
            font-size: 12px;
            letter-spacing: 0.06em;
        }

        .container.activity-collapsed .activity-panel > *:not(.activity-collapsed-strip) {
            display: none;
        }
        .container.activity-collapsed .activity-collapsed-strip {
            display: flex;
        }

        /* Slide toggle pinned to the pane's top-right corner */
        .activity-toggle-corner {
            position: absolute;
            top: 8px;
            right: 8px;
            z-index: 7;
        }
        /* keep header controls clear of the corner icon */
        .activity-panel .panel-header { padding-right: 34px; }

        /* ── User message bubbles capped at 1/3 of the chat width;
           agent responses keep their original width. ── */
        .chat-panel .message.user .message-content {
            max-width: 33.333%;
        }


        /* ── Sidebar slide collapse, mirroring the activity pane ── */
        .sidebar { position: relative; }
        .sidebar-toggle-corner {
            position: absolute;
            top: 8px;
            left: 8px;
            z-index: 7;
        }
        .sidebar-collapsed-strip {
            display: none;
            position: absolute;
            inset: 0;
            width: 100%;
            border: none;
            background: rgba(5, 8, 22, 0.4);
            color: var(--text-soft, #9aa0b0);
            cursor: pointer;
            align-items: center;
            justify-content: flex-start;
            flex-direction: column;
            gap: 10px;
            padding-top: 18px;
            z-index: 6;
        }
        .sidebar-collapsed-strip:hover { background: rgba(255,255,255,0.06); }
        .container.sidebar-collapsed .sidebar > *:not(.sidebar-collapsed-strip) {
            display: none;
        }
        .container.sidebar-collapsed .sidebar-collapsed-strip { display: flex; }
        .container.sidebar-collapsed .sidebar { padding: 0; overflow: hidden; }

        /* ── Markdown tables in chat ── */
        .md-table {
            border-collapse: collapse;
            margin: 10px 0;
            font-size: 12.5px;
            width: 100%;
        }
        .md-table th, .md-table td {
            border: 1px solid rgba(255,255,255,0.12);
            padding: 6px 10px;
            text-align: left;
            vertical-align: top;
        }
        .md-table th {
            background: rgba(255,255,255,0.07);
            font-weight: 600;
            white-space: nowrap;
        }
        .md-table tr:nth-child(even) td { background: rgba(255,255,255,0.03); }

        /* ── Chat agent tabs ── */
        .chat-tabs {
            display: flex;
            gap: 6px;
            padding: 8px 16px 0;
            border-bottom: 1px solid var(--border-soft);
            overflow-x: auto;
            flex-shrink: 0;
            scrollbar-width: thin;
        }
        .chat-tab {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 7px 14px;
            border: 1px solid var(--border-soft);
            border-bottom: none;
            border-radius: 10px 10px 0 0;
            background: rgba(255,255,255,0.04);
            color: var(--text-soft, #9aa0b0);
            font-size: 12.5px;
            cursor: pointer;
            white-space: nowrap;
            transition: background 0.2s, color 0.2s;
        }
        .chat-tab:hover { background: rgba(255,255,255,0.09); }
        .chat-tab.active {
            background: rgba(255,255,255,0.12);
            color: var(--text, #e8ecf4);
            font-weight: 600;
        }
        .chat-tab-icon { font-size: 14px; line-height: 1; }
        .chat-tab-dot {
            display: none;
            width: 7px; height: 7px;
            border-radius: 50%;
            background: var(--warning, #ffc454);
            animation: thinking-blink 1.4s infinite both;
        }
        .chat-tab.busy .chat-tab-dot { display: inline-block; }

        /* ── Agent config dropdown grouping ── */
        .config-select optgroup {
            font-weight: 700;
            font-style: normal;
            color: var(--text, #e8ecf4);
            background: rgba(3, 9, 23, 0.9);
        }
        .config-select option.select-separator {
            color: rgba(255,255,255,0.25);
            font-size: 10px;
        }

        .chat-tab-close {
            margin-left: 2px;
            padding: 0 3px;
            border-radius: 6px;
            font-size: 14px;
            line-height: 1;
            color: rgba(255,255,255,0.35);
            transition: color 0.15s, background 0.15s;
        }
        .chat-tab-close:hover {
            color: var(--danger, #ff5c7a);
            background: rgba(255,92,122,0.14);
        }

        /* ── BYOK modal ── */
        .byok-service {
            border: 1px solid var(--border-soft);
            border-radius: 10px;
            padding: 12px 14px;
            margin-bottom: 12px;
            background: rgba(255,255,255,0.03);
        }
        .byok-service-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
        }
        .byok-service-label { font-weight: 600; font-size: 13px; }
        .byok-test-status {
            flex: 1;
            font-size: 11.5px;
            color: var(--muted, #9aa0b0);
            text-align: right;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .byok-test-btn { padding: 4px 12px; font-size: 12px; }
        .byok-row {
            display: grid;
            grid-template-columns: 190px 1fr;
            gap: 10px;
            align-items: center;
            margin-bottom: 6px;
        }
        .byok-key-name {
            font-family: ui-monospace, monospace;
            font-size: 11.5px;
            color: var(--muted, #9aa0b0);
        }
        .byok-input { font-family: ui-monospace, monospace; font-size: 12px; }

        /* ── Supervisor state on activity tabs (replaces the pills) ── */
        .tab-live-dot { margin-left: 2px; }
        .tab-stop-btn {
            margin-left: 4px;
            padding: 0 5px;
            border-radius: 6px;
            font-size: 11px;
            line-height: 1.5;
            color: var(--danger, #ff5c7a);
            background: rgba(255,92,122,0.12);
            cursor: pointer;
        }
        .tab-stop-btn:hover { background: rgba(255,92,122,0.28); }
        .tab-stop-btn.stopping { cursor: default; opacity: 0.6; }