:root{color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#1a1a2e;background:#f5f5f7;font-synthesis:none}*{box-sizing:border-box}html,body{margin:0}body{min-width:320px;color:#1a1a2e;background:#f5f5f7}button,textarea,input,select{font:inherit}button{cursor:pointer}.skip{position:fixed;top:1rem;left:-999px;z-index:60;border-radius:.4rem;padding:.7rem 1rem;color:#fff;background:#6c5ce7;text-decoration:none}.skip:focus{left:1rem}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}:root{color-scheme:light;--suta-background-canvas: #f5f5f7;--suta-background-surface: #ffffff;--suta-background-subtle: #f0f0f4;--suta-background-inverse: #1a1a2e;--suta-border-default: #e3e3ea;--suta-border-strong: #d3d3dc;--suta-text-primary: #1a1a2e;--suta-text-secondary: #4f4f63;--suta-text-muted: #5a5a6e;--suta-text-inverse: #ffffff;--suta-border-focus: #6c5ce7;--suta-action-primary: #6c5ce7;--suta-action-primary-hover: #5a49d6;--suta-text-accent: #4b3db5;--suta-action-primary-soft: #efedff;--suta-status-success: #1f9d63;--suta-status-success-soft: #eaf8f1;--suta-status-warning: #965500;--suta-status-warning-soft: #fff6e6;--suta-status-danger: #b42318;--suta-status-danger-soft: #fff0ee;--suta-status-info: #2563eb;--suta-status-info-soft: #edf5ff;--suta-action-danger: var(--suta-status-danger);--suta-action-danger-soft: var(--suta-status-danger-soft);--suta-space-1: 4px;--suta-space-2: 8px;--suta-space-3: 12px;--suta-space-4: 16px;--suta-space-6: 24px;--suta-space-8: 32px;--suta-radius-sm: 4px;--suta-radius-md: 8px;--suta-radius-lg: 12px;--suta-radius-xl: 16px;--suta-radius-round: 999px;--suta-size-control-sm: 36px;--suta-size-control-md: 44px;--suta-size-control-lg: 52px;--suta-terminal-background: #0a0a0f;--suta-terminal-surface: #12121a;--suta-terminal-text: #f7f7fa;--suta-terminal-text-muted: #c9c9d3;--page: var(--suta-background-canvas);--surface: var(--suta-background-surface);--surface-soft: var(--suta-background-subtle);--line: var(--suta-border-default);--line-strong: var(--suta-border-strong);--text: var(--suta-text-primary);--text-2: var(--suta-text-secondary);--muted: var(--suta-text-muted);--accent: var(--suta-action-primary);--accent-ink: var(--suta-text-accent);--accent-soft: var(--suta-action-primary-soft);--ok: var(--suta-status-success);--warn: var(--suta-status-warning);--term-bg: var(--suta-terminal-background);--tutor-w: clamp(400px, 38.889vw, 560px);--bar-h: 56px;color:var(--text);background:var(--page)}html,body{width:100%;height:100%;margin:0;overflow:hidden;overscroll-behavior:none}body{background:var(--page);color:var(--text)}.shell{position:relative;display:grid;grid-template-columns:var(--tutor-w) minmax(0,1fr);grid-template-rows:var(--bar-h) minmax(0,1fr);width:100vw;height:100dvh;min-height:0;overflow:hidden;background:var(--page)}.shell[hidden]{display:none}.rail{display:none!important;width:0}.topbar{grid-column:1 / 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var(--line-strong);border-radius:8px;background:var(--surface-soft)}.focus-switch button{min-width:44px;min-height:44px;border:0;border-radius:7px;padding:.45rem .75rem;color:var(--text-2);background:transparent;font-size:.72rem;font-weight:700}.focus-switch button.active{color:var(--accent-ink);background:var(--accent-soft);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--accent) 35%,transparent)}.agent-state{display:flex;align-items:center;gap:.35rem;padding:.22rem .5rem;border:1px solid var(--line);border-radius:999px;color:var(--text-2);background:var(--surface);font-size:.64rem;white-space:nowrap}.agent-state i{width:.4rem;height:.4rem;border-radius:50%;background:var(--warn)}.topbar-utilities{display:flex;align-items:center;gap:2px;flex-shrink:0}.topbar-utilities .rail-button{display:grid;place-items:center;width:44px;height:44px;padding:0;border:1px solid transparent;border-radius:8px;color:var(--text-2);background:transparent}.topbar-utilities .rail-button:hover{color:var(--accent-ink);background:var(--accent-soft)}.topbar-utilities .rail-button span{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.topbar-utilities svg{width:.85rem;height:.85rem;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.operator-health-trigger{display:inline-flex;align-items:center;gap:.35rem;min-height:44px;padding:.45rem .7rem;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--text-2);font:inherit;font-size:.68rem;font-weight:700;cursor:pointer}.operator-health-trigger:hover{color:var(--accent-ink);background:var(--accent-soft)}.operator-health-trigger svg{width:.9rem;height:.9rem;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.topbar #managed-user-button{display:flex;align-items:center;min-width:0;flex-shrink:0}.topbar .icon-button{display:grid;place-items:center;flex:0 0 auto;width:44px;height:44px;padding:0;border:1px solid transparent;border-radius:10px;color:var(--text-2);background:transparent;cursor:pointer}.topbar .icon-button svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.topbar .icon-button:hover{background:var(--surface-soft)}.topbar .icon-button[aria-expanded=true]{color:var(--accent-ink);background:var(--accent-soft)}.topbar .icon-button:focus-visible{outline:3px solid var(--accent);outline-offset:-3px}.topbar .panel-toggle.lab-toggle{display:none}.suta-field{display:grid;gap:6px;min-width:0;color:var(--text)}.suta-field>label,.suta-field-label{color:var(--text-2);font-size:12px;font-weight:700;line-height:16px}.suta-field-control{box-sizing:border-box;width:100%;min-width:0;height:44px;padding:0 12px;border:1px solid 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auto;width:100%;max-width:374px;overflow:hidden;border:1px solid #18364b;border-radius:14px;background:#071d30}.concept-figure img{display:block;width:100%;height:auto;object-fit:contain}.concept-figure button{display:block;margin:10px auto;background:#143950;color:#f5f9ff;border-color:#597b92}.concept-image-fallback{color:#fff;padding:20px}.concept-walkthrough li{margin-block:9px}.concept-thinking{padding:18px;border:1px solid #d4c9e9;border-radius:12px;background:#faf8fe;color:#29223f;line-height:1.75}.concept-thinking h3{margin-top:0}.concept-sources a{display:block;margin:8px 0;color:#58438a;overflow-wrap:anywhere}.concept-readiness{color:var(--text-2);font-size:.8rem;line-height:1.6}.concept-dialog{width:min(740px,94vw);max-width:94vw;max-height:92vh;padding:14px;background:#071d30;border:1px solid #597b92;border-radius:14px}.concept-dialog::backdrop{background:#000000a6}.concept-dialog img{display:block;width:100%;height:76vh;object-fit:contain;margin-top:12px}.concept-dialog 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var(--suta-action-danger);background:var(--suta-action-danger);color:#fff}.termination-dialog-submit:disabled{border-color:var(--surface-soft);background:var(--surface-soft);color:var(--muted);cursor:wait;opacity:.62}.termination-dialog :focus-visible{outline:3px solid #775cc6;outline-offset:3px}@media(max-width:520px){.termination-dialog{width:calc(100vw - 48px);padding:24px}.termination-dialog-actions{flex-direction:column}.termination-dialog-actions button{width:100%}}.operator-health-dialog{--operator-success-ink: #137548;inset:0;width:100vw;max-width:none;height:100dvh;max-height:none;margin:0;padding:0;border:0;background:var(--page);color:var(--text);overflow:hidden}.operator-health-dialog::backdrop{background:#12101f85}.operator-health-dialog h2,.operator-health-dialog p{margin:0}.operator-health-dialog button,.operator-health-dialog input{min-width:44px;min-height:44px;font:inherit}.operator-health-dialog button{cursor:pointer}.operator-health-dialog 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i{width:8px;height:8px;border-radius:50%;background:currentColor}.operator-navigation>button:after{content:attr(data-label)}.operator-navigation>button.active{color:var(--accent-ink);background:var(--accent-soft);font-weight:700}.operator-release{display:grid;gap:4px;margin-top:auto;padding:12px;border-radius:10px;background:var(--surface-soft);font-size:12px}.operator-release span{color:var(--text-2)}.operator-content{grid-column:2;grid-row:1;display:flex;flex-direction:column;gap:20px;width:auto;height:auto;min-width:0;min-height:0;padding:32px 40px;overflow:auto;border:0;background:var(--page)}.operator-mobile-navigation{display:none}.operator-page-header{display:flex;align-items:center;gap:24px}.operator-page-header,.operator-health-summary,.operator-reconciliation,.operator-health-toolbar{flex:0 0 auto}.operator-page-header>div{flex:1;min-width:0}.operator-page-header h2{margin:0;font-size:28px;line-height:36px;letter-spacing:-.02em}.operator-page-header 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strong{display:inline-flex;align-items:center;gap:7px;color:var(--operator-success-ink);font-size:13px;white-space:nowrap}.operator-reconciliation p{flex:1;color:var(--text-2);font-size:13px;line-height:18px}.operator-reconciliation time{color:var(--muted);font-size:12px;white-space:nowrap}.operator-health-toolbar{display:flex;align-items:center;gap:16px;min-height:44px}.operator-health-toolbar [role=tablist]{display:flex;gap:8px;min-width:0;overflow-x:auto}.operator-health-toolbar button{padding:0 16px;border:0;border-radius:8px;background:transparent;color:var(--text-2);font-size:14px;font-weight:650;white-space:nowrap}.operator-health-toolbar [role=tablist] button{flex:0 0 auto}.operator-health-toolbar button[aria-selected=true]{color:var(--accent-ink);background:var(--accent-soft)}.operator-health-toolbar>p{margin-left:auto;color:var(--text-2);font-size:13px;white-space:nowrap}.operator-health-learners{display:flex;flex-direction:column;gap:16px;min-height:0;padding-bottom:24px}.operator-health-row{display:grid;grid-template-columns:minmax(150px,1.05fr) minmax(160px,1.15fr) minmax(136px,.85fr) minmax(136px,.85fr) minmax(160px,1fr) 112px;gap:16px;align-items:center;min-width:0;min-height:120px;box-sizing:border-box;padding:16px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}.operator-health-row.state-attention{border-color:var(--suta-status-danger)}.operator-row-overview{display:flex;align-items:center;gap:12px;min-width:0}.operator-learner-avatar{display:grid;place-items:center;flex:0 0 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var(--line);border-radius:12px;background:var(--surface-soft)}.operator-issue-marker{position:relative;display:block;width:32px;height:32px;border-radius:50%;background:var(--suta-status-danger-soft)}.operator-issue-marker:after{content:"";position:absolute;inset:12px;border-radius:50%;background:var(--suta-status-danger)}.operator-issue-copy{display:flex;flex-direction:column;gap:4px;min-width:0}.operator-issue-summary.tone-success .operator-issue-marker{background:var(--suta-status-success-soft)}.operator-issue-summary.tone-success .operator-issue-marker:after{background:var(--operator-success-ink)}.operator-issue-summary.tone-warning .operator-issue-marker{background:var(--suta-status-warning-soft)}.operator-issue-summary.tone-warning .operator-issue-marker:after{background:var(--warn)}.operator-inspect{min-width:112px;padding:0 16px;border:1px solid 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h3{margin:0;color:var(--suta-text-primary);font-size:20px;line-height:28px}.operator-overview-help{color:var(--suta-text-secondary);font-size:14px;line-height:20px}.operator-overview-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--suta-space-4);align-items:start}.operator-route-card{width:auto;min-width:0}.operator-overview-card-header{display:flex;align-items:center;justify-content:space-between;gap:var(--suta-space-3);width:100%}.operator-overview-card-header strong{min-width:0;color:var(--suta-text-primary);font-size:16px;line-height:20px}.operator-overview-card-header span{flex:0 0 auto;color:var(--operator-success-ink);font-size:12px;font-weight:600}.operator-route-card>p{margin:0;color:var(--suta-text-secondary);font-size:14px;line-height:20px}.operator-route-card.state-selected{border:2px solid var(--suta-border-focus);background:var(--suta-action-primary-soft)}.operator-route-card.state-selected .operator-overview-card-header 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0 0)}.operator-health-trigger{width:44px;justify-content:center;padding-inline:0}.operator-global-bar{display:grid;grid-template-columns:minmax(0,1fr) 44px;grid-template-rows:56px 56px;height:112px;padding:0 14px}.operator-search{grid-column:1 / -1;grid-row:2;width:100%;margin:0}.operator-control-health{display:none}.operator-layout{display:block;height:calc(100dvh - 112px)}.operator-navigation{display:none}.operator-content{grid-column:auto;grid-row:auto;gap:16px;height:100%;box-sizing:border-box;padding:20px 14px}.operator-mobile-navigation{display:grid;gap:6px;width:100%;color:var(--suta-text-secondary);font-size:12px;font-weight:700}.operator-mobile-navigation select{width:100%;min-height:var(--suta-size-control-md);padding:0 var(--suta-space-3);border:1px solid var(--suta-border-strong);border-radius:var(--suta-radius-md);background:var(--suta-background-surface);color:var(--suta-text-primary);font:inherit;font-size:14px}.operator-page-header{align-items:flex-start;flex-direction:column;gap:12px}.operator-page-header h2{font-size:24px;line-height:32px}.operator-primary-action{width:100%}.operator-health-summary{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.operator-reconciliation{align-items:flex-start;flex-wrap:wrap}.operator-reconciliation p{order:3;flex-basis:100%}.operator-health-toolbar{align-items:flex-start;flex-direction:column}.operator-health-toolbar [role=tablist]{flex:0 0 44px;width:100%}.operator-health-toolbar>p{margin-left:0}.operator-health-row{grid-template-columns:1fr;gap:14px}.operator-overview-cards{grid-template-columns:1fr}.operator-inspect{width:100%}.operator-inspection{grid-column:1}.operator-facts{grid-template-columns:1fr}}.concept-reading .step-location strong{display:none}.concept-reading 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