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8px;font-size:clamp(28px,4vw,42px);line-height:1.04}.survey-header h2:focus-visible{outline:3px solid var(--focus-ring);outline-offset:5px;border-radius:4px}.survey-header p{max-width:650px;color:var(--text-secondary);margin:0;font-size:14px;line-height:1.6}.survey-form{padding:clamp(18px,3vw,34px)}.survey-questions{gap:16px;display:grid}.survey-question{border:1px solid var(--line);border-radius:var(--radius-md);background:var(--surface);min-width:0;margin:0;padding:18px}.survey-question legend{width:100%;color:var(--ink);align-items:flex-start;gap:12px;padding:0 0 14px;line-height:1.45;display:flex}.survey-question-number{border:1px solid var(--line);background:var(--surface-soft);width:36px;height:32px;color:var(--text-secondary);font-family:var(--font-geist-mono),monospace;border-radius:9px;flex:none;place-items:center;font-size:12px;font-weight:760;display:grid}.survey-question-label{padding-top:4px;font-size:15px;font-weight:680}.survey-options{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;display:grid}.survey-option{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface-soft);cursor:pointer;min-height:52px;padding:9px 11px;transition:border-color .16s,background .16s,transform .16s;display:flex}@media (hover:hover){.survey-option:hover{border-color:var(--ink);transform:translateY(-1px)}}.survey-option-selected{border-color:var(--accent-blue);background:var(--surface-selected);box-shadow:inset 0 0 0 1px var(--accent-blue)}.survey-option:has(input:focus-visible){outline:3px solid var(--focus-ring);outline-offset:2px}.survey-option input{opacity:0;pointer-events:none;position:absolute}.survey-option-copy{align-items:center;gap:9px;width:100%;display:flex}.survey-option-value{border:1px solid var(--line);background:var(--surface);width:30px;height:30px;color:var(--text-secondary);font-family:var(--font-geist-mono),monospace;border-radius:8px;flex:none;place-items:center;font-size:12px;display:grid}.survey-option-selected .survey-option-value{border-color:var(--accent-blue);background:var(--accent-blue);color:var(--text-on-strong)}.survey-option-label{color:var(--text-secondary);font-size:12px;line-height:1.35}.survey-option-selected .survey-option-label{color:var(--ink);font-weight:650}.survey-open-responses{border:1px solid var(--line);border-radius:var(--radius-md);background:var(--surface-soft);padding:20px}.survey-open-heading{align-items:flex-start;gap:12px;display:flex}.survey-open-heading h3{color:var(--ink);letter-spacing:-.02em;margin:2px 0 4px;font-size:17px}.survey-open-heading p{color:var(--text-secondary);margin:0;font-size:12px;line-height:1.5}.survey-open-fields{gap:14px;margin-top:18px;display:grid}.survey-open-field{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);padding:15px;position:relative}.survey-open-field label{color:var(--ink);font-size:14px;font-weight:680;display:block}.survey-open-help{color:var(--text-secondary);margin:4px 0 9px;font-size:12px;line-height:1.45}.survey-open-textarea{min-height:105px;padding:12px 13px;font-size:14px;line-height:1.55}.survey-open-textarea:disabled{cursor:wait;opacity:.68}.survey-open-counter{color:var(--text-secondary);font-family:var(--font-geist-mono),monospace;text-align:right;margin-top:6px;font-size:12px;display:block}.survey-actions{border-top:1px solid var(--line);justify-content:flex-end;margin-top:24px;padding-top:20px;display:flex}.survey-submit-button{border:1px solid var(--accent-yellow-strong);background:var(--accent-yellow);min-height:48px;color:var(--ink);cursor:pointer;border-radius:999px;padding:11px 22px;font-weight:720}@media (hover:hover){.survey-submit-button:not(:disabled):hover{background:var(--accent-yellow-strong)}}.survey-submit-button:disabled{cursor:not-allowed;opacity:.5}.survey-status{color:var(--text-secondary);text-align:right;margin:10px 0 0;font-size:14px}.survey-save-error{border:1px solid var(--danger);border-radius:var(--radius-sm);background:var(--surface-danger);justify-content:space-between;align-items:center;gap:16px;margin-top:14px;padding:14px;display:flex}.survey-save-error p{color:var(--danger);margin:0;font-size:14px}.session-ended-view{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);width:min(100%,700px);box-shadow:var(--shadow-sm);text-align:center;justify-items:center;margin:clamp(20px,8vh,90px) auto;padding:clamp(28px,6vw,58px);display:grid}.session-ended-mark{border:1px solid var(--success);background:var(--surface-success);width:68px;height:68px;color:var(--success);border-radius:50%;place-items:center;margin-bottom:18px;font-size:28px;font-weight:800;display:grid}.session-ended-view h1{color:var(--ink);letter-spacing:-.05em;margin:8px 0 10px;font-size:clamp(32px,5vw,48px)}.session-ended-view>p{max-width:570px;color:var(--text-secondary);margin:0;line-height:1.65}.session-ended-note{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface-soft);width:100%;color:var(--success);gap:4px;margin:24px 0;padding:15px;display:grid}.session-ended-note span{color:var(--ink);font-size:14px;line-height:1.5}@media (max-width:840px){.brand,.end-session-button,.file-button,.steps button,.suggestion-chip,.text-button,.uploaded-file-remove,.workspace-tabs button{min-height:44px}.chat-form input,.survey-open-textarea,.topic-field input,textarea{font-size:16px}.survey-options{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:760px){.survey-save-error,.survey-view-toolbar{flex-direction:column;align-items:stretch}.survey-options{grid-template-columns:1fr}.survey-actions{align-items:stretch}.survey-actions button,.survey-save-error button{width:100%}.uploaded-file-heading{flex-wrap:wrap;align-items:flex-start}.uploaded-file-remove{margin-left:49px}.uploaded-file-metadata{grid-template-columns:1fr;margin-left:49px}.survey-root{border-radius:21px}.survey-header{padding:22px}.survey-form{padding:16px}.survey-open-responses,.survey-question{border-radius:15px;padding:16px}.survey-open-field{padding:14px}.survey-view-toolbar .text-button{align-self:flex-start}}@media (max-width:480px){.topbar{padding-right:max(12px,env(safe-area-inset-right));padding-left:max(12px,env(safe-area-inset-left));gap:8px}.brand-copy strong{font-size:19px}.step-sidebar{padding-right:max(8px,env(safe-area-inset-right));padding-left:max(8px,env(safe-area-inset-left))}.workspace{padding-right:max(12px,env(safe-area-inset-right));padding-left:max(12px,env(safe-area-inset-left))}.hero-metrics{gap:8px}.input-card,.learning-map-card,.quiz-card,.research-card,.score-card,.teacher-card,.tutor-panel{padding:18px}.card-heading,.compact-heading,.section-heading,.textarea-meta{gap:10px}.uploaded-file-metadata,.uploaded-file-remove,.uploaded-file-status{margin-left:0}.survey-form,.survey-header,.survey-open-field,.survey-open-responses,.survey-question{padding:14px}.survey-open-heading,.survey-question legend{gap:10px}.session-ended-view{padding:24px 18px}}@media (max-width:400px){.teacher-stats{grid-template-columns:1fr}.teacher-stats>div{flex-direction:row;justify-content:space-between;align-items:baseline;gap:12px;padding:12px 14px}.teacher-stats strong{text-align:right;text-overflow:clip;white-space:normal;font-size:18px;overflow:visible}.teacher-stats span{margin-top:0}}@media (pointer:coarse){.brand,.end-session-button,.file-button,.steps button,.suggestion-chip,.text-button,.uploaded-file-remove,.workspace-tabs button{min-height:44px}.chat-form input,.survey-open-textarea,.topic-field input,textarea{font-size:16px}.file-button,.suggestion-chip,.text-button,.uploaded-file-remove{align-items:center;display:inline-flex}}@media (max-width:1040px) and (max-height:500px){html{scroll-padding-top:calc(var(--topbar-height) + env(safe-area-inset-top) + 16px)}.step-sidebar{position:static}.workspace{padding-top:24px}.chat-window{height:220px}.quiz-card{scroll-margin-top:calc(var(--topbar-height) + env(safe-area-inset-top) + 24px)}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}