:root {
            --primary-color: #2563eb;
            --primary-light: var(--primary-light-50);
            --bg-color: #f3f4f6;
            --card-bg: #ffffff;
            --text-main: #1f2937;
            --text-secondary: #6b7280;
            --border-color: #e5e7eb;
            --success-color: #10b981;
            --logo-grey: #6b7280;
            --radius-xs:    6px;     /* very small - visually distinct checkbox */
            --radius-sm:    8px;     /* small controls and tables */
            --radius-md:    10px;    /* CTA buttons, primary action triggers */
            --radius-md-lg: 12px;    /* form-field padding targets, queue stat cards */
            --radius-lg:    16px;    /* medium buttons, inputs, icons, panels, cards */
            --radius-xl:    20px;    /* large modals, panels, waiting bar, map containers */
            --radius-2xl:   28px;    /* largest dialog cards - setup-card, all modals */
            --radius-full: 999px;   /* pill/round elements */
            --fw-normal:    400;     /* body-level text, descriptions */
            --fw-medium:    500;     /* secondary labels, subtext */
            --fw-semibold:  600;     /* standard headings, active elements */
            --fw-bold:      700;     /* primary UI elements, buttons */
            --fw-heavy:     800;     /* badge text, emphasized chips */
            --fw-ultra:     900;     /* numeric badges, hero numbers */

            /* Primary blue family (shades of #2563eb) */
            --primary-dark:          #1d4ed8;   /* darker hover/active states */
            --primary-gradient-start:#2f6df3;   /* top of the blue gradient */
            --primary-light-50:      #eff6ff;   /* lightest wash — currently hardcoded as bg */
            --primary-light-75:      #dbeafe;   /* border/wash for primary state elements */
            --primary-light-90:      #eef2ff;   /* subtle active/highlight tint */

            /* Success green family (shades of #10b981) */
            --success-dark:      #047857;       /* current hardcoded in lab-status-pill */
            --success-light:     #dcfce7;       /* success bg wash — currently hardcoded */
            --success-border:    #bbf7d0;       /* success border — currently hardcoded */

            /* Neutral gray family (not covered by --text-secondary or --border-color) */
            --gray-400:  #cbd5e1;   /* borders, neutral bg, lock backgrounds */
            --gray-500:  #94a3b8;   /* muted status text, disabled states */
            --gray-600:  #64748b;   /* labels, secondary UI copy */

            /* Additional surface tints (blue-based, not already mapped) */
            --surface-wash-blue:     #eff6ff;    /* station map bg, primary wash */
            --surface-wash-orange:   #fff7ed;    /* station-footer amber bg — keep as-is (semantic = warning) */
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            background-color: #e5e7eb;
            margin: 0;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        .app-container {
            width: 100%;
            flex: 1;
            display: flex;
            flex-direction: column;
            overflow: hidden;
            position: relative;
        }

        /* Header */
        header {
            padding: 10px 18px;
            background-color: var(--card-bg);
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 20;
            box-shadow: 0 1px 4px rgba(0,0,0,0.06);
        }

        .brand {
            font-weight: var(--fw-heavy);
            color: var(--primary-color);
            font-size: 18px;
            letter-spacing: -0.5px;
            display: flex;
            align-items: baseline;
        }

        .brand-app {
            color: var(--logo-grey);
            font-weight: var(--fw-normal);
            font-size: 0.85em;
            margin-left: 2px;
            padding-bottom: 2px;
        }

        .class-dropdown {
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--text-main);
            font-weight: var(--fw-medium);
            font-size: 13px;
            cursor: pointer;
            padding: 5px 10px;
            border-radius: var(--radius-sm);
            background: #e5e7eb;
            border: 1px solid #d1d5db;
            transition: background 0.2s;
        }

        .class-dropdown:hover {
            background: #d1d5db;
        }

        .chevron-down {
            width: 16px;
            height: 16px;
            fill: var(--text-secondary);
        }

        /* Floating Station Badge */
        .station-badge {
            position: absolute;
            top: 46px;
            left: 50%;
            transform: translateX(-50%);
            background-color: rgba(255, 255, 255, 0.98);
            padding: 0;
            border-radius: var(--radius-full);

            box-shadow: 0 6px 18px rgba(15, 23, 42, 0.12);
            font-size: 13px;
            font-weight: var(--fw-heavy);
            color: var(--text-main);
            border: 1px solid #dbe3ef;
            z-index: 18;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            overflow: hidden;
            transition: transform 0.18s ease, box-shadow 0.2s ease, border-color 0.2s ease;
        }

        .station-badge:hover {
            transform: translateX(-50%) translateY(-1px);
            border-color: #bfdbfe;
            box-shadow: 0 10px 24px rgba(15, 23, 42, 0.15);
        }

        .station-main-btn,
        .station-leave-chip {
            border: none;
            background: transparent;
            font: inherit;
            cursor: pointer;
        }

        .station-main-btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: var(--text-main);
            padding: 7px 11px 7px 13px;
        }

        .station-main-btn svg {
            width: 15px;
            height: 15px;
            fill: var(--primary-color);
            flex: 0 0 auto;
        }

        .station-leave-chip {
            color: #475569;
            border-left: 1px solid #e5eaf3;
            padding: 7px 11px;
            font-size: 12px;
            font-weight: var(--fw-heavy);
            background: #f8fafc;
        }

        .station-leave-chip:hover {
            color: #b91c1c;
            background: #fef2f2;
        }

        /* Main Content Area */
        .content-area {
            flex: 1;
            overflow-y: auto;
            padding: 54px 24px 84px 24px;
            background-color: var(--bg-color);
        }

        /* Accordion */
        .accordion-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .accordion-item {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: 0 1px 3px rgba(0,0,0,0.04);
        }

        .accordion-item.completed .accordion-header {
            background-color: #f0fdf4;
        }

        .accordion-item.completed .header-text {
            color: var(--success-color);
        }

        .accordion-item.active {
            border: 2px solid var(--primary-color);
            box-shadow: 0 4px 16px rgba(37, 99, 235, 0.12);
        }

        .accordion-item.active .accordion-header {
            background-color: var(--primary-light);
        }

        .accordion-header {
            padding: 18px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: background 0.2s;
            user-select: none;
        }

        .header-left {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .check-box {
            width: 22px;
            height: 22px;
            border-radius: 6px;
            border: 2px solid #d1d5db;
            display: flex;
            justify-content: center;
            align-items: center;
            flex-shrink: 0;
        }

        .completed .check-box {
            background-color: var(--success-color);
            border-color: var(--success-color);
        }

        .completed .check-box svg { display: block; }
        .check-box svg {
            display: none;
            width: 14px;
            height: 14px;
            fill: white;
        }

        .header-text {
            font-weight: var(--fw-semibold);
            color: var(--text-secondary);
            font-size: 15px;
        }

        .active .header-text {
            color: var(--primary-color);
            font-weight: var(--fw-bold);
        }

        .accordion-icon {
            width: 12px;
            height: 12px;
            fill: var(--text-secondary);
            transition: transform 0.3s;
        }

        .active .accordion-icon {
            transform: rotate(180deg);
            fill: var(--primary-color);
        }

        /* CONTENT - collapses to zero height */
        .accordion-content {
            overflow: hidden;
            max-height: 0;
            opacity: 0;
            padding: 0 20px;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease, padding 0.3s ease;
        }

        .accordion-item.active .accordion-content {
            max-height: 800px;
            opacity: 1;
            padding: 20px;
        }

        .section-title {
            font-size: 16px;
            font-weight: var(--fw-bold);
            margin-bottom: 12px;
            color: var(--text-main);
        }

        p {
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
            font-size: 14px;
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 10px 0 20px 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
            border: 1px solid var(--border-color);
        }

        .data-table th, .data-table td {
            border: 1px solid var(--border-color);
            padding: 12px;
            text-align: center;
        }

        .data-table th {
            background-color: #f8fafc;
            font-weight: var(--fw-semibold);
            color: var(--text-main);
        }

        .cta-button {
            width: 100%;
            padding: 14px;
            background-color: var(--primary-color);
            border: none;
             border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: var(--fw-semibold);
            color: white;
            cursor: pointer;
            box-shadow: 0 4px 6px rgba(37, 99, 235, 0.2);
            margin-top: 10px;
            transition: background 0.2s, transform 0.1s;
        }

        .cta-button:hover { background-color: var(--primary-dark); }
        .cta-button:active { transform: scale(0.98); }

        /* Fixed Bottom Bar + Animated Menu */
        :root {
            --bottom-bar-height: 72px;
            --menu-height: 340px;
            --safe-bottom: env(safe-area-inset-bottom, 0px);
        }

        .bottom-scrim {
            position: fixed;
            inset: 0;
            background: rgba(17, 24, 39, 0.36);
            backdrop-filter: blur(2px);
            z-index: 90;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.28s ease;
        }

        .app-container.menu-open .bottom-scrim {
            opacity: 1;
            pointer-events: auto;
        }

        .bottom-menu-panel {
            position: fixed;
            left: 0;
            right: 0;
            bottom: 0;
            height: calc(var(--menu-height) + var(--safe-bottom));
            background: var(--card-bg);
            border-top-left-radius: 26px;
            border-top-right-radius: 26px;
            box-shadow: 0 -24px 50px rgba(15, 23, 42, 0.18);
            z-index: 110;
            transform: translateY(100%);
            transition: transform 0.42s cubic-bezier(0.16, 1, 0.3, 1);
            overflow: hidden;
            border: 1px solid rgba(229, 231, 235, 0.95);
            border-bottom: none;
        }

        .app-container.menu-open .bottom-menu-panel {
            transform: translateY(0);
        }

        .menu-panel-inner {
            height: 100%;
            padding: 86px 18px calc(88px + var(--safe-bottom)) 18px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .menu-panel-handle {
            width: 42px;
            height: 4px;
            border-radius: var(--radius-full);

            background: #d1d5db;
            position: absolute;
            top: 14px;
            left: 50%;
            transform: translateX(-50%);
        }

        .menu-panel-title {
            position: absolute;
            top: 30px;
            left: 22px;
            right: 22px;
            font-size: 13px;
            font-weight: var(--fw-bold);
            letter-spacing: 0.04em;
            text-transform: uppercase;
            color: var(--text-secondary);
        }

        .bottom-bar {
            position: fixed;
            left: 0;
            right: 0;
            bottom: 0;
            height: calc(var(--bottom-bar-height) + var(--safe-bottom));
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            border-top: 1px solid var(--border-color);
            z-index: 130;
            padding: 8px 14px calc(8px + var(--safe-bottom)) 14px;
            display: flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 -8px 28px rgba(15, 23, 42, 0.08);
            transition: transform 0.42s cubic-bezier(0.16, 1, 0.3, 1),
                        border-radius 0.28s ease,
                        box-shadow 0.28s ease,
                        background 0.28s ease,
                        padding 0.28s ease;
        }

        .app-container.menu-open .bottom-bar {
            transform: translateY(calc(-1 * (var(--menu-height) - var(--bottom-bar-height))));
            border-top-left-radius: var(--radius-xl);
            border-top-right-radius: var(--radius-xl);
            border-bottom-left-radius: 0;
            border-bottom-right-radius: 0;
            box-shadow: 0 -10px 32px rgba(15, 23, 42, 0.14);
            background: #ffffff;
        }

        .menu-btn {
            flex: 1 1 auto;
            min-height: 50px;
            border: 1px solid transparent;
            background: #f8fafc;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 10px;
            cursor: pointer;
            transition: background 0.2s ease, border-color 0.2s ease, transform 0.16s ease;
            font-size: 15px;
            font-weight: var(--fw-bold);
            color: var(--text-main);
            padding: 12px 14px;
            border-radius: var(--radius-md-lg);
        }

        .menu-btn:hover { background-color: #f1f5f9; border-color: #e2e8f0; }
        .menu-btn:active { transform: scale(0.98); }
        .menu-icon { width: 21px; height: 21px; fill: var(--text-secondary); }

        .app-container.menu-open .menu-icon {
            transform: rotate(90deg);
            transition: transform 0.28s ease;
        }

        .help-square {
            flex: 0 0 128px;
            min-height: 50px;
            border: none;
            background: linear-gradient(180deg, var(--primary-gradient-start) 0%, var(--primary-color) 100%);
            border-radius: var(--radius-lg);
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            transition: flex-basis 0.42s cubic-bezier(0.16, 1, 0.3, 1),
                        transform 0.2s ease,
                        box-shadow 0.2s ease,
                        border-radius 0.28s ease,
                        background 0.2s ease;
            box-shadow: 0 8px 18px rgba(37, 99, 235, 0.28);
            color: white;
            font: inherit;
            padding: 0 16px;
            white-space: nowrap;
        }

        .help-square:hover {
            background: linear-gradient(180deg, #2563eb 0%, var(--primary-dark) 100%);
            transform: translateY(-1px);
            box-shadow: 0 12px 24px rgba(37, 99, 235, 0.34);
        }

        .help-square:active {
            transform: scale(0.98);
            box-shadow: 0 5px 12px rgba(37, 99, 235, 0.28);
        }

        .help-square .question-mark {
            width: 24px;
            height: 24px;
            border-radius: var(--radius-full);

            background: rgba(255, 255, 255, 0.18);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            font-weight: var(--fw-heavy);
            line-height: 1;
        }

        .help-square .question-label {
            font-size: 14px;
            font-weight: var(--fw-heavy);
            letter-spacing: -0.01em;
        }

        .app-container.menu-open .help-square {
            flex-basis: 100%;
            border-radius: var(--radius-md-lg);
        }

        .app-container.menu-open .help-square .question-label {
            font-size: 15px;
        }

        .menu-item {
            min-height: 56px;
            padding: 14px 16px;
            font-size: 15px;
            font-weight: var(--fw-bold);
            color: var(--text-main);
            border-radius: var(--radius-lg);
            cursor: pointer;
            transition: background 0.2s ease, transform 0.16s ease, border-color 0.2s ease;
            display: flex;
            align-items: center;
            gap: 14px;
            background: #f8fafc;
            border: 1px solid #eef2f7;
            opacity: 0;
            transform: translateY(12px);
        }

        .app-container.menu-open .menu-item {
            opacity: 1;
            transform: translateY(0);
        }

        .app-container.menu-open .menu-item:nth-of-type(1) { transition-delay: 0.08s; }
        .app-container.menu-open .menu-item:nth-of-type(2) { transition-delay: 0.13s; }
        .app-container.menu-open .menu-item:nth-of-type(3) { transition-delay: 0.18s; }

        .menu-item:hover {
            background-color: #f1f5f9;
            border-color: #e2e8f0;
        }

        .menu-item:active { transform: scale(0.985); }

        .menu-item svg {
            width: 22px;
            height: 22px;
            fill: var(--text-secondary);
            flex-shrink: 0;
        }

        .menu-item-copy {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .menu-item-copy small {
            font-size: 12px;
            font-weight: var(--fw-medium);
            color: var(--text-secondary);
        }


        /* Station Map Modal */
        .station-modal-scrim {
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.48);
            backdrop-filter: blur(3px);
            z-index: 210;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.24s ease;
            padding: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .app-container.station-open .station-modal-scrim {
            opacity: 1;
            pointer-events: auto;
        }

        .station-modal {
            width: min(100%, 560px);
            max-height: min(720px, calc(100dvh - 28px));
            background: #ffffff;
            border-radius: var(--radius-2xl);
            overflow: hidden;
            box-shadow: 0 30px 80px rgba(15, 23, 42, 0.32);
            transform: translateY(20px) scale(0.98);
            opacity: 0;
            transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.24s ease;
            display: flex;
            flex-direction: column;
        }

        .app-container.station-open .station-modal {
            transform: translateY(0) scale(1);
            opacity: 1;
        }

        .station-modal-header {
            padding: 16px 18px 12px 18px;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 14px;
        }

        .station-modal-eyebrow {
            color: var(--primary-color);
            font-size: 12px;
            font-weight: var(--fw-ultra);
            letter-spacing: 0.06em;
            text-transform: uppercase;
        }

        .station-modal-title {
            margin: 2px 0 0 0;
            color: var(--text-main);
            font-size: 22px;
            line-height: 1.12;
            letter-spacing: -0.03em;
        }

        .station-modal-subtitle {
            margin: 5px 0 0 0;
            color: var(--text-secondary);
            font-size: 13px;
            line-height: 1.4;
        }

        .station-close-btn {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-full);

            border: 1px solid #e2e8f0;
            background: #f8fafc;
            color: var(--text-secondary);
            font-size: 22px;
            line-height: 1;
            cursor: pointer;
            transition: background 0.2s ease, color 0.2s ease, transform 0.16s ease;
            flex: 0 0 auto;
        }

        .station-close-btn:hover {
            background: var(--primary-light-90);
            color: var(--primary-color);
        }

        .station-close-btn:active { transform: scale(0.94); }

        .station-modal-body {
            padding: 14px;
            background: #f8fafc;
            overflow-y: auto;
        }

        .current-station-card {
            background: #ffffff;
            border: 1px solid var(--primary-light-75);
            border-radius: var(--radius-xl);
            padding: 13px;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 12px;
            align-items: center;
            margin-bottom: 12px;
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.08);
        }

        .current-station-card strong {
            display: block;
            color: var(--text-main);
            font-size: 15px;
            line-height: 1.2;
        }

        .current-station-card span {
            display: block;
            color: var(--text-secondary);
            font-size: 12px;
            line-height: 1.35;
            margin-top: 3px;
        }

        .station-danger-btn,
        .station-footer-leave {
            border: none;
            border-radius: var(--radius-full);

            background: #fee2e2;
            color: #991b1b;
            font-weight: var(--fw-ultra);
            cursor: pointer;
            transition: transform 0.16s ease, background 0.2s ease;
        }

        .station-danger-btn {
            padding: 10px 13px;
            font-size: 12px;
            white-space: nowrap;
        }

        .station-danger-btn:hover,
        .station-footer-leave:hover { background: #fecaca; }
        .station-danger-btn:active,
        .station-footer-leave:active { transform: scale(0.97); }

        .station-map-shell {
            background: #ffffff;
            border: 1px solid #e5eaf3;
            border-radius: var(--radius-xl);
            padding: 14px;
        }

        .station-map-legend {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 12px;
        }

        .legend-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            border: 1px solid #e5e7eb;
            background: #ffffff;
            border-radius: var(--radius-full);

            padding: 6px 8px;
            color: var(--text-secondary);
            font-size: 11px;
            font-weight: var(--fw-heavy);
        }

        .legend-dot {
            width: 9px;
            height: 9px;
            border-radius: var(--radius-full);

            background: var(--gray-400);
        }

        .legend-dot.available { background: #10b981; }
        .legend-dot.occupied { background: var(--gray-500); }
        .legend-dot.needs-help { background: #f59e0b; }
        .legend-dot.current { background: #2563eb; }

        .lab-map {
            position: relative;
            min-height: 330px;
            border-radius: var(--radius-xl);
            background:
                linear-gradient(90deg, rgba(148, 163, 184, 0.14) 1px, transparent 1px),
                linear-gradient(rgba(148, 163, 184, 0.14) 1px, transparent 1px),
                #f8fafc;
            background-size: 28px 28px;
            border: 1px solid #e5eaf3;
            overflow: hidden;
        }

        .door-label {
            position: absolute;
            color: var(--gray-600);
            font-size: 11px;
            font-weight: var(--fw-ultra);
            letter-spacing: 0.04em;
            text-transform: uppercase;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .door-label::before {
            content: "";
            width: 24px;
            height: 14px;
            border: 2px solid var(--gray-500);
            border-left: none;
            border-radius: 0 var(--radius-lg) 0 0;
            display: inline-block;
        }

        .door-main { left: 14px; bottom: 14px; }
        .door-side { right: 12px; top: 20px; transform: rotate(90deg); transform-origin: right center; }

        .bench-line {
            position: absolute;
            border-radius: var(--radius-lg);
            background: rgba(226, 232, 240, 0.8);
            border: 1px solid var(--gray-400);
        }

        .bench-line.back { left: 18px; right: 18px; top: 62px; height: 22px; }
        .bench-line.center { left: 50%; top: 112px; width: 22px; height: 138px; transform: translateX(-50%); }

        .station-grid-map {
            position: absolute;
            inset: 96px 28px 58px 28px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 12px;
        }

        .station-tile {
            border: 1px solid #dbe3ef;
            background: #ffffff;
            border-radius: var(--radius-md-lg);
            padding: 10px;
            min-height: 72px;
            cursor: pointer;
            box-shadow: 0 2px 8px rgba(15, 23, 42, 0.05);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: transform 0.16s ease, box-shadow 0.2s ease, border-color 0.2s ease;
        }

        .station-tile:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(15, 23, 42, 0.12);
            border-color: #bfdbfe;
        }

        .station-tile strong {
            color: var(--text-main);
            font-size: 14px;
            line-height: 1;
        }

        .station-status {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            color: var(--text-secondary);
            font-size: 11px;
            font-weight: var(--fw-heavy);
        }

        .station-status::before {
            content: "";
            width: 8px;
            height: 8px;
            border-radius: var(--radius-full);

            background: var(--gray-500);
        }

        .station-tile.available .station-status::before { background: #10b981; }
        .station-tile.needs-help .station-status::before { background: #f59e0b; }
        .station-tile.current {
            border-color: #2563eb;
            background: var(--primary-light-50);
            box-shadow: 0 12px 26px rgba(37, 99, 235, 0.16);
        }

        .station-tile.current .station-status::before { background: #2563eb; }
        .station-tile.current .station-status { color: var(--primary-dark); }

        .station-modal-footer {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 10px;
            align-items: center;
            margin-top: 12px;
            background: var(--surface-wash-orange);
            border: 1px solid #fed7aa;
            border-radius: var(--radius-xl);
            padding: 12px;
        }

        .station-modal-footer strong {
            display: block;
            color: #7c2d12;
            font-size: 13px;
            line-height: 1.2;
        }

        .station-modal-footer span {
            display: block;
            color: #9a3412;
            font-size: 12px;
            line-height: 1.35;
            margin-top: 2px;
        }

        .station-footer-leave {
            padding: 10px 13px;
            font-size: 12px;
            background: #ffedd5;
            color: #9a3412;
            white-space: nowrap;
        }

        .app-container.station-left .station-leave-chip,
        .app-container.station-left .station-danger-btn,
        .app-container.station-left .station-footer-leave {
            display: none;
        }

        .app-container.station-left .current-station-card {
            border-color: #e5e7eb;
            box-shadow: none;
        }

        @media (max-width: 420px) {
            .station-grid-map { inset: 92px 18px 58px 18px; gap: 9px; }
            .station-tile { min-height: 64px; padding: 9px; border-radius: var(--radius-md-lg); }
            .station-tile strong { font-size: 13px; }
            .current-station-card,
            .station-modal-footer { grid-template-columns: 1fr; }
            .station-danger-btn,
            .station-footer-leave { width: 100%; }
        }


        /* Help Modal */
        .help-modal-scrim {
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.48);
            backdrop-filter: blur(3px);
            z-index: 220;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.24s ease;
            padding: 14px;
            display: flex;
            align-items: flex-end;
            justify-content: center;
        }

        .app-container.help-open .help-modal-scrim {
            opacity: 1;
            pointer-events: auto;
        }

        .help-modal {
            width: min(100%, 560px);
            height: min(calc(100dvh - 28px), 720px);
            max-height: calc(100dvh - 28px);
            background: #ffffff;
            border-radius: var(--radius-2xl);
            box-shadow: 0 30px 80px rgba(15, 23, 42, 0.32);
            overflow: hidden;
            transform: translateY(28px) scale(0.98);
            opacity: 0;
            transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.24s ease;
            display: flex;
            flex-direction: column;
        }

        .app-container.help-open .help-modal {
            transform: translateY(0) scale(1);
            opacity: 1;
        }

        .help-modal-header {
            padding: 16px 18px 12px 18px;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 14px;
            flex: 0 0 auto;
        }

        .help-modal-title-block {
            display: flex;
            flex-direction: column;
            gap: 3px;
        }

        .help-modal-eyebrow {
            color: var(--primary-color);
            font-size: 12px;
            font-weight: var(--fw-heavy);
            letter-spacing: 0.06em;
            text-transform: uppercase;
        }

        .help-modal-title {
            margin: 0;
            color: var(--text-main);
            font-size: 22px;
            line-height: 1.12;
            letter-spacing: -0.03em;
        }

        .help-modal-subtitle {
            margin: 4px 0 0 0;
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.4;
        }

        .modal-close-btn {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-full);

            border: 1px solid #e2e8f0;
            background: #f8fafc;
            color: var(--text-secondary);
            font-size: 22px;
            line-height: 1;
            cursor: pointer;
            transition: background 0.2s ease, color 0.2s ease, transform 0.16s ease;
            flex: 0 0 auto;
        }

        .modal-close-btn:hover {
            background: var(--primary-light-90);
            color: var(--primary-color);
        }

        .modal-close-btn:active { transform: scale(0.94); }

        .help-modal-body {
            padding: 12px;
            overflow: hidden;
            background: #f8fafc;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1 1 auto;
            min-height: 0;
        }

        .help-accordion-section {
             background: #ffffff;
             border: 1px solid #e8edf5;
             border-radius: var(--radius-xl);
             box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
             overflow: hidden;
            min-height: 0;
            flex: 1 1 0;
            display: flex;
            flex-direction: column;
            transition: flex 0.34s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.24s ease, box-shadow 0.24s ease;
        }

        .help-accordion-section.active {
            flex: 4 1 0;
            border-color: #bfdbfe;
            box-shadow: 0 14px 32px rgba(37, 99, 235, 0.12);
        }

        .help-accordion-toggle {
            width: 100%;
            border: none;
            background: #ffffff;
            padding: 14px;
            display: grid;
            grid-template-columns: 48px 1fr 28px;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            text-align: left;
            flex: 0 0 auto;
        }

        .help-icon-wrap {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-lg);
            background: var(--primary-light-50);
            border: 1px solid var(--primary-light-75);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background 0.24s ease, border-color 0.24s ease, transform 0.24s ease;
        }

        .help-accordion-section.active .help-icon-wrap {
            background: linear-gradient(180deg, var(--primary-light-50) 0%, var(--primary-light-75) 100%);
            border-color: #bfdbfe;
            transform: scale(1.04);
        }

        .help-icon {
            width: 25px;
            height: 25px;
            fill: none;
            stroke: var(--primary-color);
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .help-toggle-copy {
            min-width: 0;
        }

        .help-toggle-copy h3 {
            margin: 0;
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.18;
            letter-spacing: -0.01em;
        }

        .help-toggle-copy p {
            margin: 4px 0 0 0;
            color: var(--text-secondary);
            font-size: 12px;
            line-height: 1.3;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .help-section-chevron {
            width: 28px;
            height: 28px;
            border-radius: var(--radius-full);

            background: #f8fafc;
            border: 1px solid #e2e8f0;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.24s ease, background 0.2s ease;
        }

        .help-section-chevron svg {
            width: 17px;
            height: 17px;
            fill: var(--text-secondary);
        }

        .help-accordion-section.active .help-section-chevron {
            transform: rotate(180deg);
            background: var(--primary-light-50);
        }

        .help-accordion-panel {
            border-top: 1px solid #eef2f7;
            padding: 0 14px 14px 14px;
            overflow: hidden;
            opacity: 0;
            max-height: 0;
            display: flex;
            flex-direction: column;
            min-height: 0;
            transition: opacity 0.22s ease, max-height 0.34s cubic-bezier(0.16, 1, 0.3, 1), padding-top 0.22s ease;
        }

        .help-accordion-section.active .help-accordion-panel {
            opacity: 1;
            max-height: 420px;
            padding-top: 14px;
            flex: 1 1 auto;
        }

        .queue-panel {
            justify-content: flex-start;
            gap: 10px;
        }

        .queue-compact-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 8px;
        }

        .queue-stat-card {
            border: 1px solid #e5eaf3;
            background: #f8fbff;
            border-radius: var(--radius-md-lg);
            padding: 10px;
        }

        .queue-stat-card strong {
            display: block;
            color: var(--text-main);
            font-size: 20px;
            line-height: 1;
            letter-spacing: -0.04em;
        }

        .queue-stat-card span {
            display: block;
            color: var(--text-secondary);
            font-size: 11px;
            font-weight: var(--fw-bold);
            margin-top: 5px;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .queue-question-field {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .queue-question-field label {
            color: var(--text-main);
            font-size: 13px;
            font-weight: var(--fw-heavy);
        }

        .queue-question-field textarea {
            width: 100%;
            min-height: 76px;
            max-height: 96px;
            resize: none;
            border: 1px solid #dbe3ef;
            border-radius: var(--radius-md-lg);
            padding: 12px 13px;
            font: inherit;
            font-size: 13px;
            line-height: 1.35;
            color: var(--text-main);
            outline: none;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .queue-question-field textarea:focus {
            border-color: #93c5fd;
            box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
        }

        .join-queue-button {
            width: 100%;
            min-height: 48px;
            border: none;
            border-radius: var(--radius-lg);
            background: linear-gradient(180deg, var(--primary-gradient-start) 0%, var(--primary-color) 100%);
            color: white;
            font-size: 15px;
            font-weight: var(--fw-ultra);
            cursor: pointer;
            box-shadow: 0 12px 24px rgba(37, 99, 235, 0.24);
            transition: transform 0.16s ease, box-shadow 0.2s ease, background 0.2s ease;
        }

        .join-queue-button:hover {
            background: linear-gradient(180deg, #2563eb 0%, var(--primary-dark) 100%);
            box-shadow: 0 16px 30px rgba(37, 99, 235, 0.3);
        }

        .join-queue-button:active { transform: scale(0.985); }

        .queue-after-join {
            display: none;
            border: 1px solid var(--success-border);
            background: #f0fdf4;
            color: #166534;
            border-radius: var(--radius-lg);
            padding: 11px 12px;
            font-size: 13px;
            line-height: 1.35;
        }

        .queue-after-join strong {
            display: block;
            margin-bottom: 2px;
        }

        .queue-leave-inline {
            width: 100%;
            min-height: 42px;
            border-radius: var(--radius-lg);
            border: 1px solid #fecaca;
            background: #fff7f7;
            color: #b91c1c;
            font-weight: var(--fw-heavy);
            cursor: pointer;
            display: none;
        }

        .app-container.in-help-queue .queue-question-field,
        .app-container.in-help-queue .queue-compact-stats,
        .app-container.in-help-queue #joinQueueButton {
            display: none;
        }

        .app-container.in-help-queue .queue-after-join,
        .app-container.in-help-queue .queue-leave-inline {
            display: block;
        }

        .app-container.in-help-queue [data-help-section="queue"] {
            flex: 1.05 1 0;
        }

        .app-container.in-help-queue [data-help-section="queue"].active {
            flex: 2 1 0;
        }

        .queue-waiting-card {
            position: fixed;
            left: 14px;
            right: 14px;
            bottom: 78px;
            z-index: 215;
            max-width: 532px;
            margin: 0 auto;
            background: #111827;
            color: #ffffff;
            border-radius: var(--radius-xl);
            box-shadow: 0 18px 50px rgba(15, 23, 42, 0.34);
            padding: 12px 12px 12px 14px;
            display: grid;
            grid-template-columns: 1fr auto;
            align-items: center;
            gap: 10px;
            opacity: 0;
            transform: translateY(22px) scale(0.98);
            pointer-events: none;
            transition: opacity 0.24s ease, transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .app-container.in-help-queue .queue-waiting-card {
            opacity: 1;
            transform: translateY(0) scale(1);
            pointer-events: auto;
        }

        .queue-waiting-copy {
            display: flex;
            flex-direction: column;
            gap: 2px;
            min-width: 0;
        }

        .queue-waiting-copy strong {
            font-size: 14px;
            line-height: 1.15;
        }

        .queue-waiting-copy span {
            color: var(--gray-400);
            font-size: 12px;
            line-height: 1.25;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .queue-waiting-actions {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .queue-time-pill {
            background: rgba(255,255,255,0.12);
            border: 1px solid rgba(255,255,255,0.18);
            border-radius: var(--radius-full);

            padding: 8px 10px;
            font-size: 12px;
            font-weight: var(--fw-ultra);
            min-width: 54px;
            text-align: center;
        }

        .leave-queue-button {
            border: none;
            border-radius: var(--radius-full);

            background: #ffffff;
            color: #111827;
            font-size: 12px;
            font-weight: var(--fw-ultra);
            padding: 8px 10px;
            cursor: pointer;
        }

        .faq-list {
            overflow-y: auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
            padding-right: 4px;
            flex: 1 1 auto;
            min-height: 0;
            scrollbar-width: thin;
        }

        .faq-card {
            border: 1px solid #e5e7eb;
            border-radius: var(--radius-lg);
            padding: 12px;
            background: #fbfdff;
            display: grid;
            grid-template-columns: 44px 1fr;
            gap: 12px;
        }

        .vote-button {
            height: 58px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--primary-light-75);
            background: var(--primary-light-50);
            color: var(--primary-color);
            font-weight: var(--fw-heavy);
            cursor: pointer;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 1px;
            transition: transform 0.16s ease, background 0.2s ease;
        }

        .vote-button:hover { background: var(--primary-light-75); }
        .vote-button:active { transform: scale(0.94); }
        .vote-button.voted { background: var(--primary-light-75); border-color: #bfdbfe; }

        .vote-arrow { font-size: 14px; line-height: 1; }
        .vote-count { font-size: 13px; line-height: 1; }

        .faq-copy strong {
            display: block;
            font-size: 13px;
            color: var(--text-main);
            margin-bottom: 4px;
            line-height: 1.3;
        }

        .faq-copy span {
            display: block;
            font-size: 12px;
            color: var(--text-secondary);
            line-height: 1.42;
        }

        .chat-panel {
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1 1 auto;
            min-height: 0;
        }

        .chat-scroll {
            overflow-y: auto;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1 1 auto;
            min-height: 0;
            padding-right: 4px;
            scrollbar-width: thin;
        }

        .chat-preview {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            padding: 10px;
            border-radius: var(--radius-lg);
            background: #f8fafc;
            border: 1px solid #e2e8f0;
        }

        .handy-avatar {
            width: 34px;
            height: 34px;
            border-radius: var(--radius-md);
            background: #e0ecff;
            color: var(--primary-color);
            font-weight: var(--fw-ultra);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex: 0 0 auto;
        }

        .chat-preview-text {
            color: var(--text-secondary);
            font-size: 13px;
            line-height: 1.4;
        }

        .chat-input-row {
            display: flex;
            gap: 8px;
        }

        .chat-input-row input {
            min-width: 0;
            flex: 1;
            border: 1px solid #dbe3ef;
            border-radius: var(--radius-lg);
            padding: 13px 14px;
            font: inherit;
            font-size: 14px;
            outline: none;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .chat-input-row input:focus {
            border-color: #93c5fd;
            box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
        }

        .chat-send-button {
            border: none;
            border-radius: var(--radius-lg);
            padding: 0 15px;
            background: var(--text-main);
            color: white;
            font-weight: var(--fw-heavy);
            cursor: pointer;
        }

        .suggested-questions {
            display: flex;
            gap: 8px;
            overflow-x: auto;
            padding-bottom: 2px;
            flex: 0 0 auto;
        }

        .suggested-questions button {
            border: 1px solid var(--primary-light-75);
            background: var(--primary-light-50);
            color: var(--primary-dark);
            border-radius: var(--radius-full);

            padding: 8px 10px;
            font-size: 12px;
            font-weight: var(--fw-bold);
            white-space: nowrap;
            cursor: pointer;
        }

        @media (max-height: 720px) {
            .help-modal-header { padding: 12px 16px 9px 16px; }
            .help-modal-title { font-size: 20px; }
            .help-modal-subtitle { display: none; }
            .help-modal-body { padding: 10px; gap: 8px; }
            .help-accordion-toggle { padding: 11px; grid-template-columns: 42px 1fr 26px; }
            .help-icon-wrap { width: 42px; height: 42px; border-radius: var(--radius-lg); }
            .help-icon { width: 22px; height: 22px; }
            .help-toggle-copy h3 { font-size: 15px; }
            .help-toggle-copy p { font-size: 11px; }
            .help-accordion-panel { padding-left: 11px; padding-right: 11px; padding-bottom: 11px; }
            .help-accordion-section.active .help-accordion-panel { padding-top: 11px; }
            .join-queue-button { min-height: 46px; font-size: 15px; }
            .faq-card { padding: 10px; grid-template-columns: 40px 1fr; }
            .vote-button { height: 50px; }
            .chat-preview { padding: 9px; }
            .suggested-questions button { padding: 7px 9px; }
            .chat-input-row input { padding: 11px 12px; }
        }

        @media (max-height: 620px) {
            .help-modal-eyebrow { display: none; }
            .queue-question-field textarea { min-height: 58px; }
            .help-toggle-copy p { display: none; }
            .help-accordion-toggle { grid-template-columns: 38px 1fr 24px; padding: 9px; }
            .help-icon-wrap { width: 38px; height: 38px; }
            .help-accordion-section.active { flex: 3.6 1 0; }
            .join-queue-button { min-height: 42px; }
        }

        @media (min-width: 680px) {
            .help-modal-scrim { align-items: center; }
        }

        @media (max-width: 380px) {
            .help-square { flex-basis: 112px; padding: 0 12px; }
            .help-square .question-label { font-size: 13px; }
            .menu-btn { font-size: 14px; }
        }


        /* First-run lab + station selection flow */
        .setup-flow {
            position: fixed;
            inset: 0;
            z-index: 500;
            background: linear-gradient(180deg, #f8fafc 0%, #eaf0f8 100%);
            display: none;
            align-items: stretch;
            justify-content: center;
            padding: 18px;
        }

        .app-container.setup-active .setup-flow {
            display: flex;
        }

        .app-container.setup-active > header,
        .app-container.setup-active > .station-badge,
        .app-container.setup-active > .content-area,
        .app-container.setup-active > .bottom-bar,
        .app-container.setup-active > .bottom-menu-panel,
        .app-container.setup-active > .bottom-scrim,
        .app-container.setup-active > .help-modal-scrim,
        .app-container.setup-active > .station-modal-scrim {
            pointer-events: none;
            filter: blur(1px);
        }

        .setup-card {
            width: min(760px, 100%);
            max-height: calc(100vh - 36px);
            background: rgba(255,255,255,0.96);
            border: 1px solid #dbe3ef;
            border-radius: var(--radius-2xl);
            box-shadow: 0 24px 60px rgba(15, 23, 42, 0.18);
            display: flex;
            flex-direction: column;
            overflow: hidden;
        }

        .setup-header {
            padding: 18px 20px 14px;
            border-bottom: 1px solid #e5eaf3;
            display: flex;
            justify-content: space-between;
            gap: 14px;
            align-items: flex-start;
        }

        .setup-header h1 {
            font-size: 21px;
            margin: 3px 0 5px;
            letter-spacing: -0.03em;
            color: var(--text-main);
        }

        .setup-eyebrow {
            font-size: 11px;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            font-weight: var(--fw-ultra);
            color: var(--primary-color);
        }

        .setup-header p {
            margin: 0;
            color: var(--text-secondary);
            font-size: 13px;
            line-height: 1.35;
        }

        .setup-progress {
            display: flex;
            gap: 6px;
            padding-top: 4px;
            flex: 0 0 auto;
        }

        .setup-step-dot {
            width: 8px;
            height: 8px;
            border-radius: var(--radius-full);

            background: var(--gray-400);
        }

        .setup-step-dot.active {
            width: 22px;
            background: var(--primary-color);
        }

        .setup-body {
            min-height: 0;
            flex: 1;
            overflow: hidden;
            display: flex;
        }

        .setup-screen {
            display: none;
            width: 100%;
            min-height: 0;
            flex: 1;
            flex-direction: column;
            padding: 16px;
            gap: 12px;
        }

        .setup-screen.active {
            display: flex;
        }



        .class-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 10px;
            min-height: 0;
            overflow: auto;
            padding: 1px 2px 8px;
        }

        .class-card {
            border: 1px solid #e5eaf3;
            background: #fff;
            border-radius: var(--radius-md-lg);
            padding: 14px;
            min-height: 132px;
            text-align: left;
            display: flex;
            flex-direction: column;
            gap: 8px;
            box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
            cursor: pointer;
            transition: transform 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
        }

        .class-card:hover,
        .class-card.selected {
            transform: translateY(-1px);
            border-color: #93c5fd;
            box-shadow: 0 10px 24px rgba(37, 99, 235, 0.13);
        }

        .class-code {
            font-size: 12px;
            font-weight: var(--fw-ultra);
            color: var(--primary-color);
        }

        .class-title {
            font-size: 15px;
            line-height: 1.2;
            font-weight: var(--fw-ultra);
            color: var(--text-main);
        }

        .class-card small {
            color: var(--text-secondary);
            line-height: 1.25;
            font-size: 12px;
        }

        .setup-location-card {
            border: 1px solid #bfdbfe;
            background: var(--primary-light-50);
            border-radius: var(--radius-md-lg);
            padding: 12px;
            display: grid;
            gap: 8px;
        }

        .setup-location-card label {
            font-size: 12px;
            color: #1e3a8a;
            font-weight: var(--fw-ultra);
        }

        .setup-location-select {
            width: 100%;
            border: 1px solid #bfdbfe;
            background: #fff;
            border-radius: var(--radius-md);
            padding: 11px 12px;
            font-weight: var(--fw-heavy);
            color: var(--text-main);
            font-size: 14px;
        }

        .setup-selected-context-card {
            border: 1px solid #dbe3ef;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 12px;
            display: flex;
            justify-content: space-between;
            gap: 10px;
            align-items: center;
        }

        .setup-selected-context-card strong {
            font-size: 14px;
            color: var(--text-main);
        }

        .setup-selected-context-card span {
            display: block;
            font-size: 12px;
            color: var(--text-secondary);
            margin-top: 3px;
        }

        .lab-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 10px;
            min-height: 0;
            overflow: auto;
            padding: 1px 2px 8px;
        }

        .lab-card {
            border: 1px solid #e5eaf3;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 12px;
            min-height: 112px;
            text-align: left;
            display: flex;
            flex-direction: column;
            gap: 8px;
            box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
            cursor: pointer;
            transition: transform 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
        }

        .lab-card.available:hover,
        .lab-card.selected {
            transform: translateY(-1px);
            border-color: #93c5fd;
            box-shadow: 0 10px 24px rgba(37, 99, 235, 0.13);
        }

        .lab-card.completed {
            background: #f0fdf4;
            border-color: var(--success-border);
        }

        .lab-card.locked {
            background: #f8fafc;
            color: var(--gray-500);
            cursor: default;
        }

        .lab-card-top {
            display: flex;
            justify-content: space-between;
            gap: 8px;
            align-items: center;
        }

        .lab-number {
            font-size: 12px;
            font-weight: var(--fw-ultra);
            color: var(--primary-color);
        }

        .lab-title {
            font-size: 14px;
            line-height: 1.25;
            font-weight: var(--fw-heavy);
            color: var(--text-main);
        }

        .lab-card.locked .lab-title,
        .lab-card.locked .lab-number {
            color: var(--gray-500);
        }

        .lab-status-pill {
            font-size: 10px;
            font-weight: var(--fw-ultra);
            border-radius: var(--radius-full);

            padding: 4px 7px;
            background: #e0ecff;
            color: var(--primary-dark);
            white-space: nowrap;
        }

        .completed .lab-status-pill { background: var(--success-light); color: var(--success-dark); }
        .locked .lab-status-pill { background: #e2e8f0; color: var(--gray-600); }

        .lab-card small {
            color: var(--text-secondary);
            line-height: 1.25;
            font-size: 12px;
        }

        .setup-footer {
            border-top: 1px solid #e5eaf3;
            padding: 12px 16px 16px;
            display: flex;
            gap: 10px;
            justify-content: space-between;
            align-items: center;
            background: rgba(248,250,252,0.88);
        }

        .setup-note {
            font-size: 12px;
            color: var(--text-secondary);
            line-height: 1.3;
        }

        .setup-primary,
        .setup-secondary {
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 14px;
            font-weight: var(--fw-ultra);
            cursor: pointer;
            font-size: 13px;
        }

        .setup-primary {
            background: var(--primary-color);
            color: white;
            box-shadow: 0 8px 18px rgba(37, 99, 235, 0.25);
        }

        .setup-primary:disabled {
            background: var(--gray-400);
            color: #f8fafc;
            box-shadow: none;
            cursor: not-allowed;
        }

        .setup-secondary {
            background: #ffffff;
            color: #334155;
            border: 1px solid #dbe3ef;
        }

        .setup-pill-row {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .setup-info-pill {
            padding: 8px 10px;
            border-radius: var(--radius-full);

            background: #f8fafc;
            border: 1px solid #e5eaf3;
            font-size: 12px;
            color: #475569;
            font-weight: var(--fw-heavy);
        }

        .station-select-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 10px;
            overflow: auto;
            min-height: 0;
            padding-bottom: 6px;
        }

        .setup-station-card {
            border: 1px solid #e5eaf3;
            border-radius: var(--radius-md-lg);
            padding: 13px 10px;
            background: #fff;
            min-height: 86px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 6px;
            font-weight: var(--fw-ultra);
            cursor: pointer;
            transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
        }

        .setup-station-card.available:hover,
        .setup-station-card.selected {
            transform: translateY(-1px);
            border-color: #93c5fd;
            box-shadow: 0 10px 22px rgba(37, 99, 235, 0.14);
        }

        .setup-station-card.occupied,
        .setup-station-card.needs-help {
            cursor: default;
            background: #f8fafc;
            color: var(--gray-500);
        }

        .setup-station-card strong {
            font-size: 22px;
            color: var(--text-main);
        }

        .setup-station-card span {
            font-size: 11px;
            font-weight: var(--fw-ultra);
            border-radius: var(--radius-full);

            padding: 4px 8px;
        }

        .setup-station-card.available span { background: var(--primary-light-75); color: var(--primary-dark); }
        .setup-station-card.occupied span { background: #e2e8f0; color: var(--gray-600); }
        .setup-station-card.needs-help span { background: #fef3c7; color: #92400e; }
        .setup-station-card.selected span { background: #2563eb; color: #fff; }

        .setup-map-context {
            display: grid;
            grid-template-columns: 1fr;
            gap: 10px;
        }

        .setup-selected-lab-card {
            border: 1px solid #bfdbfe;
            background: var(--primary-light-50);
            border-radius: var(--radius-lg);
            padding: 12px;
            display: flex;
            justify-content: space-between;
            gap: 10px;
            align-items: center;
        }

        .setup-selected-lab-card strong {
            font-size: 14px;
            color: #1e3a8a;
        }

        .setup-selected-lab-card span {
            font-size: 12px;
            color: #475569;
        }

        .setup-toast {
            display: none;
            position: absolute;
            left: 50%;
            bottom: 20px;
            transform: translateX(-50%);
            background: #0f172a;
            color: white;
            border-radius: var(--radius-full);

            padding: 10px 14px;
            font-size: 12px;
            font-weight: var(--fw-heavy);
            box-shadow: 0 10px 30px rgba(15,23,42,0.24);
        }

        .setup-toast.show {
            display: block;
            animation: toastPop 1.8s ease forwards;
        }

        @keyframes toastPop {
            0% { opacity: 0; transform: translateX(-50%) translateY(8px); }
            12%, 82% { opacity: 1; transform: translateX(-50%) translateY(0); }
            100% { opacity: 0; transform: translateX(-50%) translateY(8px); }
        }

        @media (max-width: 520px) {
            .setup-flow { padding: 10px; }
            .setup-card { max-height: calc(100vh - 20px); border-radius: var(--radius-xl); }
            .setup-header { padding: 15px 16px 12px; }
            .setup-header h1 { font-size: 19px; }

        .lab-grid { grid-template-columns: 1fr; }
        .lab-card { min-height: 94px; }
            .station-select-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
            .setup-footer { align-items: stretch; flex-direction: column; }
            .setup-primary, .setup-secondary { width: 100%; }
        }



/* Live facilitation console */
.facilitate-body { margin: 0; background: linear-gradient(90deg, rgba(23,19,15,.055) 1px, transparent 1px), linear-gradient(0deg, rgba(23,19,15,.055) 1px, transparent 1px), var(--paper, #f5f0e5); background-size: 28px 28px; color: var(--ink, #171717); min-height: 100vh; }
.facilitate-shell { width: min(1180px, calc(100% - 32px)); margin: 0 auto; padding: 20px 0 64px; }
.facilitate-header { position: static; z-index: auto; display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; padding: 28px; border: 4px solid var(--ink, #171717); background: var(--paper, #f5f0e5); box-shadow: 8px 8px 0 var(--red, #df3f2f); }
.facilitate-header h1 { margin: 3px 0; font-size: clamp(42px, 7vw, 76px); line-height: .9; letter-spacing: -.05em; }
.facilitate-header p { margin-bottom: 0; }
.live-light { display: inline-block; width: 11px; height: 11px; margin-right: 7px; border-radius: 50%; background: var(--green, #1f9d55); border: 2px solid var(--ink, #171717); box-shadow: 2px 2px 0 var(--ink, #171717); }
.facilitate-selectors { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin: 26px 0; }
.facilitate-selectors label { font-size: 12px; font-weight: 900; text-transform: uppercase; letter-spacing: .08em; }
.facilitate-selectors select { display: block; width: 100%; margin-top: 7px; padding: 14px; border: 3px solid var(--ink, #171717); border-radius: 0; background: white; color: inherit; font: inherit; font-size: 16px; text-transform: none; box-shadow: 4px 4px 0 var(--ink, #171717); }
.facilitate-room-selector { grid-template-columns: minmax(260px, 560px); }
.lab-content-picker { position: relative; flex: 0 0 auto; }
.lab-content-menu { position: absolute; z-index: 30; right: 0; top: calc(100% + 10px); width: min(440px, calc(100vw - 44px)); max-height: 65vh; overflow: auto; border: 3px solid var(--ink, #171717); background: #fffaf0; box-shadow: 7px 7px 0 var(--ink, #171717); }
.lab-content-menu[hidden] { display: none; }
.lab-content-menu a { display: grid; gap: 3px; padding: 13px 15px; border-bottom: 2px solid var(--ink, #171717); color: var(--ink, #171717); text-decoration: none; }
.lab-content-menu a:last-child { border-bottom: 0; }
.lab-content-menu a:hover, .lab-content-menu a:focus-visible { background: var(--yellow, #f2b705); }
.lab-content-menu span, .lab-content-menu small { color: var(--muted-ink, #6c6253); font-size: 11px; font-weight: 900; text-transform: uppercase; }
.lab-content-menu section + section { border-top: 4px solid var(--ink, #171717); }.lab-content-menu h3 { margin: 0; padding: 10px 15px; background: var(--yellow, #f2b705); border-bottom: 2px solid var(--ink, #171717); font: 900 13px/1 monospace; text-transform: uppercase; }.lab-content-menu a { grid-template-columns: 1fr auto; }.lab-content-menu a strong { grid-column: 1 / -1; }
.queue-panel { border: 4px solid var(--ink, #171717); background: #fff; box-shadow: 8px 8px 0 var(--blue, #1769e0); }
.queue-heading { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; border-bottom: 4px solid var(--ink, #171717); }
.queue-heading h2 { margin: 2px 0 0; font-size: 30px; }
.queue-heading p { margin: 0; }
.queue-heading-tools { display: flex; align-items: center; gap: 16px; }.queue-filters { display: flex; gap: 6px; flex-wrap: wrap; }.queue-filters button { padding: 7px 9px; border: 2px solid var(--ink, #171717); background: #fffaf0; color: var(--ink, #171717); font-size: 11px; font-weight: 900; cursor: pointer; }.queue-filters button.is-active { background: var(--blue, #1d5fd1); color: white; box-shadow: 2px 2px 0 var(--ink, #171717); }
.queue-count { display: grid; place-items: center; min-width: 58px; height: 58px; border: 3px solid var(--ink, #171717); border-radius: 50%; background: var(--yellow, #ffd43b); font: 900 26px/1 monospace; }
.facilitate-queue { list-style: none; margin: 0; padding: 0; }
.facilitate-queue > li { display: grid; grid-template-columns: 46px auto minmax(160px, 1.2fr) minmax(180px, 1.5fr) 90px auto; align-items: center; gap: 14px; padding: 18px 22px; border-bottom: 2px solid var(--ink, #171717); }.facilitate-queue > li[hidden] { display: none; }
.facilitate-queue > li:last-child { border-bottom: 0; }
.queue-position { font: 900 22px monospace; }
.queue-person { display: flex; flex-direction: column; }
.queue-person small, .facilitate-queue time { color: var(--muted-ink, #616161); font-weight: 700; }
.request-chip { padding: 7px 9px; border: 2px solid var(--ink, #171717); font-size: 11px; font-weight: 900; text-transform: uppercase; }
.request-chip.signoff { background: var(--yellow, #ffd43b); }
.request-chip.question { background: var(--blue, #1769e0); color: white; }
.facilitate-queue p { margin: 0; }
.queue-lab-link { display: grid; gap: 2px; color: var(--blue, #1d5fd1); text-decoration-thickness: 2px; text-underline-offset: 2px; }.queue-lab-link small { color: var(--muted-ink, #6c6253); }
.facilitate-queue button, .ask-staff button { padding: 10px 14px; border: 3px solid var(--ink, #171717); background: var(--green, #32a852); color: white; font-weight: 900; box-shadow: 3px 3px 0 var(--ink, #171717); cursor: pointer; }
.signoff-decisions { display: flex; flex-direction: column; gap: 18px; align-items: stretch; }.signoff-decisions .reject-signoff { background: #fffaf0; color: var(--red, #df3f2f); border-color: var(--red, #df3f2f); box-shadow: 3px 3px 0 var(--red, #df3f2f); }
.queue-expanded-content { display: none; grid-column: 1 / -1; min-width: 0; padding: 14px; border: 3px solid var(--ink, #17130f); background: #fffaf0; }.facilitate-queue > li.is-expanded .queue-expanded-content { display: block; }.queue-facilitator-notes { min-width: 0; padding: 13px; border-left: 9px solid var(--yellow, #f2b705); background: var(--paper, #f4ead7); }.queue-facilitator-notes > .eyebrow { margin: 0 0 8px; }.queue-facilitator-notes .checkpoint-instructions { min-width: 0; overflow-wrap: anywhere; font-size: .9rem; }.queue-facilitator-notes .checkpoint-instructions ul { list-style: disc outside; padding-left: 1.5rem; }.queue-facilitator-notes .checkpoint-instructions ol { list-style: decimal outside; padding-left: 1.5rem; }.queue-facilitator-notes .checkpoint-instructions li { display: list-item; margin: .35rem 0; }
.facilitate-queue > li[data-request-type="signoff"] > form { display: none; }.facilitate-queue > li[data-request-type="signoff"].is-expanded > form { display: block; }
.queue-empty { padding: 60px 20px; text-align: center; }
.queue-empty span { display: inline-grid; place-items: center; width: 60px; height: 60px; border-radius: 50%; border: 3px solid; background: var(--green, #32a852); color: white; font-size: 30px; }
.queue-empty h3 { margin-bottom: 4px; }
.queue-empty p { margin: 0; color: var(--muted-ink, #616161); }
.content-backdrop { position: fixed; inset: 0; z-index: 50; padding: 32px; background: rgba(0,0,0,.6); }
.content-backdrop[hidden] { display: none; }
.content-modal { position: relative; width: min(820px, 100%); max-height: calc(100vh - 64px); overflow: auto; margin: 0 auto; padding: 26px; border: 4px solid var(--ink, #171717); background: var(--paper, #f5f0e5); box-shadow: 9px 9px 0 var(--yellow, #ffd43b); }
.content-modal > button { position: absolute; right: 18px; top: 15px; border: 0; background: none; font-size: 34px; cursor: pointer; }
.assignment-reference-header { position: sticky; z-index: 5; top: -26px; display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; margin: -26px -26px 20px; padding: 22px 26px 18px; border-bottom: 4px solid var(--ink, #171717); background: var(--paper, #f5f0e5); }.assignment-reference-header h2 { margin-bottom: 0; }.assignment-reference-header > button { flex: 0 0 auto; width: 42px; height: 42px; border: 3px solid var(--ink, #171717); background: #fffaf0; color: var(--ink, #171717); font-size: 28px; font-weight: 900; line-height: 1; cursor: pointer; box-shadow: 3px 3px 0 var(--ink, #171717); }
.facilitate-content-section { margin-top: 16px; border: 3px solid var(--ink, #171717); background: white; }
.facilitate-content-section summary { display: grid; grid-template-columns: 38px 1fr auto; gap: 12px; align-items: center; padding: 14px; cursor: pointer; list-style: none; }
.facilitate-content-section summary::-webkit-details-marker { display: none; }
.facilitate-content-section summary span { display: grid; place-items: center; height: 38px; background: var(--blue, #1d5fd1); border: 2px solid var(--ink, #171717); color: white; font: 900 12px monospace; }
.facilitate-content-section summary b { font-size: 22px; transition: transform .15s ease; }
.facilitate-content-section[open] summary b { transform: rotate(45deg); }
.facilitate-section-body { border-top: 3px solid var(--ink, #171717); padding: 20px; }
.facilitator-note { margin-top: 20px; padding: 14px; border: 3px solid var(--ink, #171717); border-left: 10px solid var(--yellow, #f2b705); background: var(--paper, #f5f0e5); }
.facilitator-note > strong { display: block; margin-bottom: 8px; font-size: 11px; text-transform: uppercase; }
.student-queue-dock { position: fixed; z-index: 20; right: 18px; bottom: 18px; width: min(330px, calc(100% - 36px)); }
.queue-ticket, .ask-staff { border: 3px solid var(--ink, #171717); background: var(--yellow, #ffd43b); box-shadow: 6px 6px 0 var(--ink, #171717); }
.queue-ticket[hidden], .ask-staff[hidden] { display: none; }
.queue-ticket { display: flex; align-items: center; gap: 12px; padding: 14px; }
.queue-ticket div { display: flex; flex: 1; flex-direction: column; }
.queue-leave-form { align-self: flex-start; margin-left: auto; }.queue-leave-form[hidden] { display: none; }.queue-leave-form button { display: grid; place-items: center; width: 30px; height: 30px; padding: 0; border: 2px solid var(--ink, #171717); border-radius: 50%; background: #fffaf0; color: var(--ink, #171717); font-size: 22px; font-weight: 900; line-height: 1; cursor: pointer; }
.queue-ticket small { font-weight: 800; text-transform: uppercase; }
.queue-ticket strong { font: 900 24px monospace; }
.queue-ticket em { font-style: normal; }
.ask-staff summary { padding: 14px 18px; font-weight: 900; text-transform: uppercase; cursor: pointer; }
.ask-staff form { padding: 0 14px 14px; }
.ask-staff label { display: block; font-weight: 800; margin-bottom: 6px; }
.ask-staff textarea { box-sizing: border-box; width: 100%; padding: 9px; border: 2px solid var(--ink, #171717); resize: vertical; }
.ask-staff button { width: 100%; margin-top: 8px; background: var(--blue, #1769e0); }
.student-help-shortcuts { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 10px; }
.ask-staff .student-help-shortcuts { margin: 0 14px 10px; }
.student-help-shortcuts button { display: flex; align-items: center; justify-content: center; gap: 7px; min-height: 43px; border: 3px solid var(--ink, #171717); background: #fffaf0; color: var(--ink, #171717); cursor: pointer; box-shadow: 3px 3px 0 var(--ink, #171717); }
.student-help-shortcuts button:last-child { background: var(--blue, #1769e0); color: white; }
.student-help-shortcuts span { display: grid; place-items: center; width: 22px; height: 22px; border: 2px solid currentColor; border-radius: 50%; font-weight: 900; }
.student-help-note { margin: 9px 2px 0; color: var(--muted-ink, #6c6253); font-size: 11px; line-height: 1.3; text-align: center; }.ask-staff .student-help-note { margin: 0; padding: 0 14px 14px; }
.queue-sync-status { color: var(--muted-ink, #6c6253); font-size: 11px; font-weight: 800; }
.waiting-options-backdrop { z-index: 45; }
.waiting-options-backdrop[hidden] { display: none; }
.waiting-options-modal { position: relative; max-width: 620px; border: 4px solid var(--ink, #171717); background: var(--paper, #f5f0e5); box-shadow: 9px 9px 0 var(--yellow, #f2b705); }
.waiting-options-modal h2 { margin: 4px 0 8px; font-size: clamp(30px, 7vw, 48px); letter-spacing: -.04em; }
.waiting-options-close { position: absolute; top: 10px; right: 12px; padding: 2px 8px; border: 0; background: none; color: var(--ink, #171717); font-size: 32px; cursor: pointer; }
.waiting-question { display: grid; gap: 5px; margin: 20px 0; padding: 13px; border: 3px solid var(--ink, #171717); background: var(--lcd, #b7c7a3); }
.waiting-question small { font-size: 10px; font-weight: 900; text-transform: uppercase; }
.waiting-question q { font-weight: 750; }
.waiting-option-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.waiting-option-card { display: grid; grid-template-columns: 38px 1fr auto; gap: 10px; align-items: center; min-height: 104px; padding: 13px; border: 3px solid var(--ink, #171717); background: #fffaf0; color: var(--ink, #171717); text-align: left; cursor: pointer; box-shadow: 4px 4px 0 var(--ink, #171717); }
.waiting-option-card > span { display: grid; place-items: center; width: 36px; height: 36px; border: 2px solid var(--ink, #171717); border-radius: 50%; background: var(--yellow, #f2b705); font-weight: 900; }
.waiting-option-card div { display: grid; gap: 4px; }.waiting-option-card small { color: var(--muted-ink, #6c6253); line-height: 1.25; }.waiting-option-card b { font-size: 21px; }
.waiting-option-card.ask-ai-option { background: var(--blue, #1769e0); color: white; }.waiting-option-card.ask-ai-option small { color: white; }.waiting-option-card.ask-ai-option > span { background: white; color: var(--blue, #1769e0); }
.waiting-option-card:active, .student-help-shortcuts button:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--ink, #171717); }
.waiting-mock-note { margin: 16px 0 0; color: var(--muted-ink, #6c6253); font-size: 11px; text-align: center; }
@media (max-width: 780px) { .facilitate-header { align-items: flex-start; flex-direction: column; padding: 22px; } .lab-content-picker, .lab-content-picker > button { width: 100%; } .lab-content-menu { left: 0; right: auto; } .facilitate-selectors { grid-template-columns: 1fr; } .queue-heading, .queue-heading-tools { align-items: flex-start; flex-direction: column; } .facilitate-queue > li { grid-template-columns: 38px auto 1fr; } .facilitate-queue > li p, .facilitate-queue > li time, .queue-expanded-content { grid-column: 3 / -1; } .facilitate-queue > li form { grid-column: 3 / -1; } }
@media (max-width: 520px) { .waiting-option-grid { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) { .live-light { animation: none; } }
.question-heading small.is-error { color: var(--red); font-weight: 900; }
.question-heading .queued-answer-warning { margin-top: 7px; padding: 8px 10px; border: 2px solid var(--ink); background: var(--yellow); color: var(--ink); font-weight: 900; }
.comprehension-question.fill_blank legend { font-size: .72rem; text-transform: uppercase; }
.fill-blank-statement { background: #fffaf0; border: 2px solid var(--ink); font-size: 1.05rem; font-weight: 700; line-height: 2.6; padding: 14px; }
.fill-blank-statement label { display: inline-block; margin: 0 5px; vertical-align: middle; }
.fill-blank-statement input { width: clamp(90px, 20vw, 170px); min-height: 38px; border: 0; border-bottom: 3px solid var(--blue); background: rgba(29,95,209,.08); font: inherit; font-weight: 800; padding: 4px 7px; }
.comprehension-score { margin-top: 7px; padding: 6px 9px !important; border: 2px solid var(--ink, #171717) !important; background: var(--green, #1f8a5b) !important; box-shadow: 2px 2px 0 var(--ink, #171717) !important; color: white; font-size: 11px; font-weight: 900; cursor: pointer; }
.comprehension-score.is-low { background: var(--red, #df3f2f) !important; }
.comprehension-backdrop[hidden] { display: none; }.comprehension-modal { max-width: 720px; }
.comprehension-modal [data-comprehension-summary] { display: flex; align-items: baseline; gap: 10px; margin: 16px 0; }.comprehension-modal [data-comprehension-summary] strong { font: 900 36px monospace; }.comprehension-modal [data-comprehension-summary] span { color: var(--muted-ink); }
.comprehension-response-list { display: grid; gap: 10px; }.comprehension-response-list article { padding: 13px; border: 3px solid var(--ink); background: white; }.comprehension-response-list article.is-inaccurate { border-left: 10px solid var(--red); background: #fff0ed; }.comprehension-response-list article.is-correct { border-left: 10px solid var(--green); }.comprehension-response-list article > div { display: flex; gap: 10px; align-items: flex-start; }.comprehension-response-list article > div > span { display: grid; place-items: center; flex: 0 0 28px; height: 28px; border: 2px solid var(--ink); border-radius: 50%; font-weight: 900; }.comprehension-response-list article small { display: block; color: var(--muted-ink); font-weight: 900; text-transform: uppercase; }
.comprehension-response-list dl { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 12px 0 0 38px; }.comprehension-response-list dl div { padding: 8px; background: var(--paper); }.comprehension-response-list dt { font-size: 10px; font-weight: 900; text-transform: uppercase; }.comprehension-response-list dd { margin: 3px 0 0; }
@media (max-width: 520px) { .comprehension-response-list dl { grid-template-columns: 1fr; margin-left: 0; } }
.queue-debug-panel { display: grid; grid-template-columns: minmax(220px, 1fr) auto auto auto; gap: 14px; align-items: end; margin-top: 28px; padding: 16px; border: 3px dashed var(--muted-ink, #6c6253); background: rgba(255,250,240,.82); }
.queue-debug-panel > div { display: grid; gap: 3px; }.queue-debug-panel p { margin: 0; }.queue-debug-panel small { color: var(--muted-ink, #6c6253); }.queue-debug-panel label { display: grid; gap: 5px; font-size: 11px; font-weight: 900; text-transform: uppercase; }.queue-debug-panel input { width: 80px; min-height: 42px; border: 3px solid var(--ink, #17130f); padding: 7px; font: 900 15px monospace; }
@media (max-width: 760px) { .queue-debug-panel { grid-template-columns: 1fr 1fr; }.queue-debug-panel > div { grid-column: 1 / -1; } }
.clear-room-queue { display: flex; align-items: center; justify-content: flex-end; gap: 12px; margin-top: 22px; }.clear-room-queue button { padding: 10px 14px; border: 3px solid var(--red, #df3f2f); background: #fffaf0; color: var(--red, #df3f2f); font-weight: 900; cursor: pointer; box-shadow: 3px 3px 0 var(--red, #df3f2f); }.clear-room-queue small { max-width: 330px; color: var(--muted-ink, #6c6253); }
@media (max-width: 600px) { .clear-room-queue { align-items: stretch; flex-direction: column; } }

/* FAQ workflow */
.settings-shell{max-width:1080px}.settings-header{border-bottom-color:var(--blue)}.settings-light{width:28px;height:28px;border:4px solid var(--ink);border-radius:50%;background:var(--red);box-shadow:3px 3px 0 var(--ink)}.settings-light.is-on{background:var(--green)}.ai-settings-panel{display:grid;grid-template-columns:minmax(240px,.75fr) minmax(360px,1.25fr);margin:28px 0 60px;border:4px solid var(--ink);background:#fffaf0;box-shadow:9px 9px 0 var(--blue)}.ai-settings-intro{padding:28px;border-right:4px solid var(--ink);background:var(--paper)}.ai-settings-intro h2{font-size:clamp(28px,4vw,44px);line-height:1}.ai-settings-intro code{font-weight:900}.ai-status-strip{display:grid;grid-template-columns:repeat(4,1fr);height:14px;margin-top:30px;border:2px solid var(--ink)}.ai-status-strip i:nth-child(1){background:var(--red)}.ai-status-strip i:nth-child(2){background:var(--yellow)}.ai-status-strip i:nth-child(3){background:var(--blue)}.ai-status-strip i:nth-child(4){background:var(--green)}.ai-settings-form{display:grid;gap:18px;padding:28px}.ai-settings-form>label:not(.ai-enable){display:grid;gap:7px;font-size:12px;font-weight:900;text-transform:uppercase}.ai-settings-form label>span{color:var(--muted-ink);font-size:11px;text-transform:none}.ai-settings-form input[type=url],.ai-settings-form input[type=password],.ai-settings-form input[list]{box-sizing:border-box;width:100%;min-height:48px;padding:10px;border:3px solid var(--ink);background:white;font:700 15px monospace}.ai-enable{display:flex;gap:12px;align-items:center;padding:14px;border:3px solid var(--ink);background:var(--lcd);cursor:pointer}.ai-enable input{width:24px;height:24px;accent-color:var(--green)}.ai-enable span{display:grid;color:var(--ink)!important}.ai-enable small{color:var(--muted-ink);font-weight:600}.settings-actions{display:flex;justify-content:flex-end;gap:14px;flex-wrap:wrap}.settings-actions button{cursor:pointer}.model-readout{padding:13px;border:3px solid var(--ink);background:var(--ink);color:var(--lcd);font-family:monospace}.model-readout ul{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 0;padding:0;list-style:none}.model-readout button{padding:6px 8px;border:2px solid var(--lcd);background:transparent;color:var(--lcd);cursor:pointer}.model-readout button:hover{background:var(--lcd);color:var(--ink)}@media(max-width:760px){.ai-settings-panel{grid-template-columns:1fr}.ai-settings-intro{border-right:0;border-bottom:4px solid var(--ink)}}
.faq-browser-modal{width:min(720px,calc(100% - 30px));max-height:min(82vh,760px);overflow:auto;border-top:12px solid var(--blue)}.faq-browser-list{display:grid;gap:14px;margin-top:20px}.faq-browser-item{padding:18px;border:3px solid var(--ink);background:#fffaf0;box-shadow:4px 4px 0 var(--ink)}.faq-browser-item h3{margin:0 0 8px;font-size:18px}.faq-browser-item p{margin:0 0 14px;white-space:pre-wrap}.faq-browser-item button,.faq-empty button{padding:8px 11px;border:2px solid var(--ink);background:var(--yellow);font-weight:900;cursor:pointer}.faq-browser-item button:disabled{background:var(--green);color:#fff;cursor:default}.faq-empty{padding:25px;border:3px dashed var(--muted-ink);text-align:center}.solution-modal{border-top:12px solid var(--green)}.student-invite-modal.solution-modal form{display:grid;grid-template-columns:minmax(0,1fr);gap:16px;width:100%}.solution-modal blockquote{margin:18px 0;padding:12px 16px;border-left:8px solid var(--yellow);background:var(--paper);font-weight:800}.solution-modal textarea{display:block;box-sizing:border-box;width:100%;min-height:150px;padding:12px;border:3px solid var(--ink);font:inherit;resize:vertical}.solution-modal .station-change-actions{width:100%;margin-top:0}.solution-modal [data-solution-error]{margin:0;color:var(--red);font-weight:800}.solution-modal [data-solution-error]:empty{display:none}.manage-faq-link{display:inline-block;margin-top:7px;color:var(--blue);font-size:.72rem;font-weight:900;text-transform:uppercase;text-underline-offset:3px}
.faq-manager-shell{max-width:1180px}.faq-manager-header{border-bottom-color:var(--blue)}.faq-manager-groups{display:grid;gap:28px;padding-bottom:50px}.faq-checkpoint-group{border:4px solid var(--ink);background:#fffaf0;box-shadow:8px 8px 0 var(--blue)}.faq-checkpoint-group>header{display:grid;grid-template-columns:58px 1fr auto;align-items:center;gap:14px;padding:18px;border-bottom:4px solid var(--ink)}.faq-checkpoint-group>header>span{display:grid;place-items:center;width:52px;height:52px;border:3px solid var(--ink);border-radius:50%;background:var(--yellow);font:900 20px monospace}.faq-checkpoint-group h2{margin:0}.faq-checkpoint-group header p{margin:0}.faq-manager-empty{margin:0;padding:28px;color:var(--muted-ink)}.faq-manager-items{display:grid;gap:18px;padding:20px}.faq-manager-item{padding:17px;border:3px solid var(--ink);border-left:10px solid var(--green);background:#fff}.faq-manager-item.is-archived{border-left-color:var(--muted-ink);opacity:.72}.faq-manager-item form,.faq-manager-item label{display:grid;gap:7px}.faq-manager-item form{gap:14px}.faq-manager-item label{font-size:12px;font-weight:900;text-transform:uppercase}.faq-manager-item textarea{padding:10px;border:2px solid var(--ink);font:inherit;text-transform:none}.faq-manager-meta,.faq-manager-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.faq-manager-meta{justify-content:space-between;color:var(--muted-ink);font-weight:800}.faq-delete-action{margin-left:auto;border:0;background:transparent;color:var(--red);font-weight:900;text-decoration:underline;cursor:pointer}@media(max-width:620px){.faq-checkpoint-group>header{grid-template-columns:52px 1fr}.faq-checkpoint-group>header>strong{grid-column:2}.faq-delete-action{margin-left:0}}
.error-diagnostic{margin-top:10px;padding-top:8px;border-top:2px solid currentColor}.error-diagnostic summary{cursor:pointer;font-weight:900}.error-diagnostic code{display:block;margin-top:8px;padding:10px;overflow-wrap:anywhere;background:rgba(255,255,255,.65);font-size:.78rem;white-space:pre-wrap}
.student-help-actions{grid-template-columns:repeat(3,minmax(0,1fr))}.ask-staff .student-help-actions button{min-width:0;min-height:52px;margin-top:0;padding:8px 5px}.ask-staff .student-help-actions button:first-child{background:var(--green,#32a852);color:#fff}.ask-staff .student-help-actions button:nth-child(2){background:var(--yellow,#ffd43b);color:var(--ink,#171717)}.faq-modal-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}.faq-modal-heading h2{margin-bottom:14px}.faq-browser-close{display:grid;place-items:center;flex:0 0 44px;width:44px;height:44px;margin:0;border:3px solid var(--ink);background:var(--red);color:#fff;font-size:30px;font-weight:900;line-height:1;box-shadow:3px 3px 0 var(--ink);cursor:pointer}.faq-browser-close:hover{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}
.handy-chat-backdrop{z-index:60;padding:12px}.handy-chat-modal{display:grid;grid-template-rows:auto minmax(260px,1fr) auto;width:min(1500px,calc(100vw - 24px));height:min(940px,calc(100vh - 24px));max-width:none;padding:0;border-top:10px solid var(--blue);overflow:hidden}.handy-chat-modal>header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:3px solid var(--ink);background:var(--paper)}.handy-chat-modal>header .eyebrow{margin:0 0 2px}.handy-chat-modal h2{margin:0;font-size:clamp(24px,3vw,34px)}.handy-chat-messages{display:flex;flex-direction:column;gap:8px;padding:14px 16px;overflow-y:auto;background:#fffaf0}.handy-message{align-self:flex-start;box-sizing:border-box;max-width:92%;padding:9px 12px;border:3px solid var(--ink);background:white;box-shadow:3px 3px 0 var(--ink)}.handy-message--user{align-self:flex-end;background:var(--blue);color:white}.handy-message>strong{display:block;margin-bottom:4px;font-size:10px;text-transform:uppercase}.handy-message.is-pending{border-left:9px solid var(--yellow);color:var(--muted-ink);animation:handy-thinking 1.1s ease-in-out infinite}.handy-message.is-pending>div::before{content:"●";margin-right:7px;color:var(--yellow)}@keyframes handy-thinking{50%{transform:translateX(3px)}}.handy-message.is-error{border-color:var(--red);color:var(--red)}.handy-chat-modal form{display:grid;gap:5px;padding:10px 16px;border-top:4px solid var(--ink);background:var(--paper)}.handy-chat-modal form>label{font-size:11px;font-weight:900;text-transform:uppercase}.handy-chat-modal form>div{display:grid;grid-template-columns:1fr auto;gap:10px}.handy-chat-modal textarea{box-sizing:border-box;width:100%;padding:10px;border:3px solid var(--ink);font:inherit;resize:none}.handy-chat-modal form button{align-self:stretch;cursor:pointer}@media(max-width:520px){.handy-chat-backdrop{padding:0}.handy-chat-modal{width:100%;height:100vh;border-left:0;border-right:0}.handy-message{max-width:96%}.handy-chat-modal form>div{grid-template-columns:1fr}.handy-chat-modal form button{min-height:44px}}
.ai-prompt-form{display:grid;gap:14px}.ai-prompt-form label{display:grid;gap:7px;font-size:11px;font-weight:900;text-transform:uppercase}.ai-prompt-form textarea{box-sizing:border-box;width:100%;padding:12px;border:3px solid var(--ink);background:#fff;font:inherit;line-height:1.5;resize:vertical;text-transform:none}.ai-prompt-panel{display:grid;grid-template-columns:minmax(220px,.7fr) minmax(320px,1.3fr);gap:28px;margin:28px 0;padding:24px;border:4px solid var(--ink);border-top:12px solid var(--blue);background:#fffaf0;box-shadow:8px 8px 0 var(--ink)}.ai-inherited-prompt{margin:0 0 50px;padding:22px;border:3px solid var(--ink);background:var(--paper)}.ai-inherited-prompt pre{padding:14px;border:2px solid var(--ink);background:#fff;white-space:pre-wrap}.manage-faq-link+.manage-faq-link{margin-left:12px}.ai-settings-modal .admin-modal__card{border-top:12px solid var(--blue)}@media(max-width:680px){.ai-prompt-panel{grid-template-columns:1fr}}

@media(prefers-reduced-motion:reduce){.handy-message.is-pending{animation:none}}

/* Explicit workspace mode for people who learn and facilitate in the same lab. */
.role-mode-switch{display:flex;align-items:center;gap:8px;margin:0}.role-mode-switch label{font-size:.68rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase;white-space:nowrap}.role-mode-switch select{min-height:40px;padding:7px 30px 7px 10px;border:3px solid var(--ink);background:var(--yellow);color:var(--ink);font:inherit;font-weight:850;box-shadow:3px 3px 0 var(--ink);cursor:pointer}@media(max-width:680px){.role-mode-switch label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.role-mode-switch select{max-width:145px}}
.section-staff-form{display:flex;align-items:end;gap:10px;margin:0 0 16px;padding:12px;border:3px solid var(--ink);background:var(--paper)}.section-staff-form label{display:grid;flex:1;gap:5px;font-weight:850}.section-staff-form select{min-height:42px;border:2px solid var(--ink);background:#fff;padding:7px}