:root{color:#14111f;font-synthesis:none;--bg:#fbfaff;--surface:#fff;--soft:#f4f2fc;--hover:#eeeaf8;--ink:#14111f;--secondary:#423e58;--muted:#6c6786;--faint:#8d88a5;--line:#e7e2f3;--strong-line:#d2cce6;--primary:#7c5cf6;--primary-hover:#6d44e8;--primary-active:#5b34cf;--primary-soft:#7c5cf61a;--primary-ring:#7c5cf6;--primary-ink:#5b34cf;--green:#10b981;--green-text:#48766a;--green-soft:#10b9811f;--amber:#f59e0b;--amber-text:#8a5a2b;--amber-soft:#f59e0b24;--danger:#f43f5e;--danger-text:#a33d49;--danger-soft:#f43f5e1f;--radius-xs:6px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--radius:var(--radius-lg);--shadow-rest:0 1px 2px #14111f0f, 0 2px 8px #2b1e4f0f;--shadow-raised:0 4px 14px #2b1e4f1f;--shadow-overlay:0 24px 64px #24143538;--ease:cubic-bezier(.22, 1, .36, 1);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;background:#fbfaff;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;line-height:1.5}*{box-sizing:border-box}body{min-width:320px;margin:0}button,input,textarea,select{font:inherit}button{cursor:pointer}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{color:inherit}button,a{touch-action:manipulation}button:disabled{cursor:default;opacity:.55}button,select{min-height:44px}button,a,input,textarea,select{transition:background-color .16s var(--ease), border-color .16s var(--ease), color .16s var(--ease), box-shadow .16s var(--ease)}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--primary);outline-offset:2px}button svg,a svg{flex-shrink:0}a{color:var(--primary-ink);text-decoration:none}a:hover{text-decoration:underline}::selection{background:#7c5cf63d}h1,h2,h3,p{margin:0}h1{letter-spacing:-.02em;font-size:clamp(28px,2.5vw,36px);font-weight:700;line-height:1.15}h2{letter-spacing:-.02em;font-size:21px;font-weight:700;line-height:1.3}h3{letter-spacing:-.01em;font-size:16px;font-weight:600;line-height:1.4}strong{font-weight:600}p{overflow-wrap:anywhere}label{color:var(--secondary);flex-direction:column;gap:7px;font-size:12px;font-weight:600;display:flex}input:not([type=checkbox]):not([type=radio]),textarea,select{border:1px solid var(--strong-line);background:var(--surface);width:100%;color:var(--ink);border-radius:var(--radius-sm);min-height:44px;padding:10px 12px;font-size:14px;font-weight:400}textarea{resize:vertical;line-height:1.6}input::placeholder,textarea::placeholder{color:var(--faint)}input[type=checkbox],input[type=radio]{accent-color:var(--primary);flex-shrink:0;width:16px;height:16px;margin:0}form>label,form>.two-fields,.capture-form>label,.capture-form>.two-fields{margin-bottom:18px}fieldset{min-width:0}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{opacity:0;pointer-events:none;z-index:100;background:var(--primary);color:#fff;border-radius:var(--radius-sm);padding:12px 20px;position:fixed;top:10px;left:20px;transform:translateY(-200%)}.skip-link:focus{opacity:1;pointer-events:auto;transform:none}.muted{color:var(--muted)}.small{font-size:12px;line-height:1.5}.eyebrow{color:var(--muted);text-transform:uppercase;letter-spacing:.07em;font-size:11px;font-weight:600;line-height:1.35;display:block}.accent-line{background:var(--primary);vertical-align:middle;width:20px;height:2px;margin-right:9px;display:inline-block}.button{background:var(--surface);border:1px solid var(--strong-line);border-radius:var(--radius-sm);text-align:center;justify-content:center;align-items:center;gap:8px;min-height:44px;padding:10px 16px;font-size:13px;font-weight:600;line-height:1.35;display:inline-flex}.button:not(:disabled):hover{background:var(--soft);border-color:var(--strong-line)}.button.primary{background:var(--primary);border-color:var(--primary);color:#fff}.button.primary:not(:disabled):hover{background:var(--primary-hover);border-color:var(--primary-hover)}.button.primary:not(:disabled):active{background:var(--primary-active);border-color:var(--primary-active)}.button.quiet{border-color:var(--line);background:0 0}.button.danger{color:var(--ink);background:var(--danger);border-color:var(--danger)}.button.small-button{padding:8px 12px}.button-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.full-width{width:100%}.icon-button{border-radius:var(--radius-sm);width:44px;height:44px;color:var(--muted);background:0 0;border:0;flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.icon-button:hover{color:var(--ink);background:var(--hover)}.text-button{color:var(--primary-ink);text-align:left;background:0 0;border:0;align-items:center;gap:6px;padding:10px 0;font-size:13px;font-weight:500;line-height:1.45;display:inline-flex}.text-button:hover{color:var(--primary-hover);text-decoration:underline}.text-button.muted{color:var(--muted)}.text-button.centered{justify-content:center;margin:5px auto -3px;display:flex}.danger-text{color:var(--danger-text)}.badge{background:var(--soft);border:1px solid var(--line);color:var(--secondary);border-radius:var(--radius-xs);white-space:nowrap;align-items:center;gap:5px;padding:4px 8px;font-size:11px;font-weight:600;line-height:1.35;display:inline-flex}.badge.mini{padding:3px 6px}.badge.light{color:#50485e;background:#ffffffeb}.app-header{background:var(--surface);border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:30px;height:78px;padding:0 38px;display:flex}.brand{color:var(--primary);flex-shrink:0;align-items:center;gap:10px;min-height:44px;display:flex}.brand:hover{text-decoration:none}.brand>span{color:var(--ink);letter-spacing:-.02em;font-size:21px;font-weight:700}.brand-light{font-weight:400}.brand-dot{color:var(--primary)}.main-nav{gap:7px;height:100%;display:flex}.main-nav button{color:var(--muted);background:0 0;border:none;justify-content:center;align-items:center;gap:7px;padding:0 15px;font-size:13px;font-weight:500;display:flex;position:relative}.main-nav button:hover{color:var(--ink)}.main-nav button.active{color:var(--primary-ink);font-weight:600}.main-nav button.active:after{content:"";background:var(--primary);border-radius:3px 3px 0 0;height:3px;position:absolute;bottom:0;left:15px;right:15px}.context-bar{border-bottom:1px solid var(--line);background:var(--surface);color:var(--muted);justify-content:space-between;align-items:center;gap:20px;min-height:48px;padding:9px 40px;font-size:12px;font-weight:500;display:flex}.context-left{align-items:center;gap:10px;min-width:0;display:flex}.context-left>span:first-of-type{white-space:nowrap}.context-divider{opacity:.4}.project-picker{flex-direction:row;align-items:center;min-width:0;display:flex;position:relative}.project-picker select{appearance:none;color:var(--secondary);cursor:pointer;background:0 0;border:0;padding:4px 22px 4px 4px;font-size:12px;font-weight:600}.project-picker svg{pointer-events:none;position:absolute;right:4px}.main-content{outline:none;max-width:1400px;margin:0 auto;padding:35px 40px 60px}.workbench-heading,.page-heading{justify-content:space-between;align-items:center;gap:24px;margin-bottom:26px;display:flex}.workbench-heading h1,.page-heading h1{margin:9px 0}.workbench-heading p,.page-heading p{color:var(--muted);font-size:13px}.dot-separator{color:var(--strong-line);padding:0 10px}.question-bar{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);align-items:center;gap:13px;margin-bottom:22px;padding:14px 17px;display:flex}.question-icon{background:var(--primary-soft);color:var(--primary);border-radius:var(--radius-md);flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.question-content{flex:1;min-width:0}.question-edit{text-align:left;background:0 0;border:0;justify-content:space-between;align-items:center;gap:12px;width:100%;padding:3px 0 0;font-size:15px;font-weight:500;display:flex}.question-edit svg{color:var(--muted);opacity:.7}.question-edit:hover svg{color:var(--primary);opacity:1}.inline-form{align-items:center;gap:4px;margin-top:4px;display:flex}.inline-form input{min-height:44px!important;padding:8px 9px!important}.workbench-grid{grid-template-columns:minmax(0,1fr) 334px;align-items:start;gap:24px;display:grid}.evidence-column{min-width:0}.evidence-workspace{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-rest);overflow:hidden}.workspace-toolbar{justify-content:space-between;align-items:center;gap:12px;padding:16px 20px;display:flex}.toolbar-title .eyebrow{margin-bottom:3px}.toolbar-title strong{font-size:13px;font-weight:600}.segmented{background:var(--soft);border-radius:var(--radius-sm);gap:2px;padding:4px;display:inline-flex}.segmented button{border-radius:var(--radius-xs);color:var(--muted);background:0 0;border:0;align-items:center;gap:6px;padding:6px 12px;font-size:13px;font-weight:500;display:flex}.segmented button[aria-pressed=true]{color:var(--ink);background:var(--surface);box-shadow:var(--shadow-rest)}.viewer-grid{grid-template-columns:minmax(0,1fr);display:grid}.viewer-grid.is-comparing{background:var(--line);grid-template-columns:repeat(2,minmax(0,1fr));gap:1px}.compare-column{background:var(--surface);min-width:0}.trial-viewer{background:#f5f1e9;position:relative}.scene-meta{z-index:2;pointer-events:none;justify-content:space-between;align-items:center;gap:8px;display:flex;position:absolute;top:15px;left:17px;right:17px}.scene-meta .badge{color:#615b51;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#fffcf2cc;border-color:#dfd8c8;font-size:12px;font-weight:500}.scene-build{color:#746b5a;border-radius:var(--radius-xs);font-variant-numeric:tabular-nums;background:#fff9efbd;padding:4px 8px;font-size:12px;font-weight:500}.scene-content{width:100%;overflow:hidden}.scene-content figure{border-radius:0!important}.scene-content>video{aspect-ratio:8/5;object-fit:contain;background:#242029;width:100%;display:block}.scene-footer{background:var(--surface);border-bottom:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;min-height:48px;padding:8px 17px;display:flex}.scene-footer>div{align-items:center;gap:10px;display:flex}.scene-time{color:var(--secondary);font-variant-numeric:tabular-nums;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px;font-weight:500}.scene-caption{color:var(--muted);font-size:12px;font-weight:500}.media-empty{aspect-ratio:8/5;color:var(--muted);background:var(--soft);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:14px;padding:60px 35px;display:flex}.media-empty p{max-width:300px;font-size:13px}.moments-row{align-items:center;gap:18px;padding:13px 20px;display:flex}.moments-row .eyebrow{flex-shrink:0}.moment-buttons{flex-wrap:wrap;gap:6px;display:flex}.moment-buttons button{border-radius:var(--radius-sm);color:var(--muted);background:0 0;border:1px solid #0000;align-items:center;gap:6px;padding:8px 12px;font-size:13px;font-weight:500;display:flex}.moment-buttons button span{background:var(--soft);width:17px;height:17px;color:var(--muted);font-variant-numeric:tabular-nums;border-radius:50%;justify-content:center;align-items:center;font-size:11px;font-weight:600;display:inline-flex}.moment-buttons button:hover{background:var(--soft)}.moment-buttons button.selected{color:var(--primary-ink);background:var(--primary-soft);border-color:var(--primary-ring)}.moment-buttons button.selected span{color:#fff;background:var(--primary)}.alignment-note{color:var(--muted);align-items:center;gap:7px;padding:0 20px 13px;font-size:12px;font-weight:500;display:flex}.compare-label{gap:4px;padding:10px 14px;font-size:12px;font-weight:500}.compare-label select{border-color:var(--line);padding:6px 10px;font-size:13px}.compare-caption{border-bottom:1px solid var(--line);padding:10px 14px}.compare-caption p{margin-top:3px;font-size:13px}.viewer-compact .scene-meta{top:9px;left:9px;right:9px}.viewer-compact .scene-meta .badge{padding:3px 5px}.viewer-compact .scene-footer{gap:4px;min-height:44px;padding:8px 10px}.viewer-compact .scene-footer>div{gap:6px}.moment-form{background:var(--surface);border-bottom:1px solid var(--line);gap:12px;padding:16px;display:grid}.moment-form .button-row{justify-content:flex-end}.trials-section{margin-top:24px}.section-heading{justify-content:space-between;align-items:center;gap:12px;margin-bottom:13px;display:flex}.section-heading h2{letter-spacing:-.01em;font-size:15px;font-weight:600}.section-heading h2 span{background:var(--line);color:var(--secondary);border-radius:var(--radius-xs);vertical-align:middle;font-variant-numeric:tabular-nums;margin-left:6px;padding:2px 6px;font-size:11px;font-weight:600;display:inline-block}.filmstrip{scroll-snap-type:x proximity;align-items:stretch;gap:11px;margin:-3px;padding:3px 3px 8px;display:flex;overflow-x:auto}.trial-card{text-align:left;border-radius:var(--radius-md);border:1px solid var(--line);background:var(--surface);scroll-snap-align:start;transition:transform .12s var(--ease), box-shadow .16s var(--ease), border-color .16s var(--ease), background-color .16s var(--ease);flex:0 0 178px;padding:8px}.trial-card:hover{border-color:var(--strong-line);box-shadow:var(--shadow-raised);transform:translateY(-1px)}.trial-card.selected{border-color:var(--primary-ring);box-shadow:0 0 0 2px var(--primary-ring)}.trial-thumb{aspect-ratio:8/4.5;border-radius:var(--radius-xs);background:#f4eedf;position:relative;overflow:hidden}.trial-thumb figure{transform:translateY(-5%)}.trial-thumb figure figcaption,.trial-thumb figure button{display:none}.thumb-number{border-radius:var(--radius-xs);color:#655c4e;font-variant-numeric:tabular-nums;background:#fffcf1df;padding:2px 6px;font-family:ui-monospace,monospace;font-size:12px;font-weight:500;position:absolute;top:6px;left:6px}.thumb-selected{background:var(--primary);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:18px;height:18px;display:flex;position:absolute;top:6px;right:6px}.trial-card>strong{white-space:nowrap;text-overflow:ellipsis;margin:8px 4px 2px;font-size:13px;font-weight:600;line-height:1.35;display:block;overflow:hidden}.trial-card>.small{margin-left:4px;display:block}.new-trial-card{border:1px dashed var(--strong-line);border-radius:var(--radius-md);min-width:115px;color:var(--muted);background:0 0;flex-direction:column;justify-content:center;align-items:center;gap:10px;font-size:13px;font-weight:500;display:flex}.new-trial-card:hover{background:var(--surface);color:var(--primary-hover);border-color:var(--primary)}.video-thumb{height:100%;color:var(--muted);background:var(--soft);flex-direction:column;justify-content:center;align-items:center;gap:5px;font-size:12px;font-weight:500;display:flex}.conditions-panel{border-top:1px solid var(--line);margin-top:20px;padding-top:4px}summary{cursor:pointer;list-style:none}summary::-webkit-details-marker{display:none}.conditions-panel summary{min-height:44px;color:var(--secondary);justify-content:space-between;align-items:center;padding:12px 0;font-size:13px;font-weight:500;display:flex}details[open]>summary svg{transform:rotate(180deg)}.conditions-content{background:var(--surface);border-radius:var(--radius-md);border:1px solid var(--line);padding:16px;font-size:13px}.scope-row{flex-direction:column;gap:5px;margin-bottom:12px;display:flex}table{border-collapse:collapse;width:100%;margin:10px 0;font-size:13px}td,th{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:9px 10px;font-weight:400}thead th{background:var(--soft);color:var(--secondary);font-weight:600}tbody th{color:var(--secondary);font-weight:600}.inquiry-panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow:hidden}.inquiry-body{padding:20px}.feedback-topline{justify-content:space-between;align-items:center;gap:8px;margin-bottom:20px;display:flex}.feedback-topline .badge{background:var(--soft);color:var(--muted)}.block-label{color:var(--secondary);align-items:center;gap:7px;font-size:12px;font-weight:600;display:flex}.observation-dot{background:#9b8dbd;border-radius:50%;width:6px;height:6px}.observation-text{margin-top:8px;font-size:15px;line-height:1.6}.evidence-links{flex-wrap:wrap;gap:6px;margin-top:11px;display:flex}.evidence-links button{border:1px solid var(--line);border-radius:var(--radius-xs);background:var(--soft);color:var(--secondary);align-items:center;gap:6px;padding:8px 12px;font-size:12px;font-weight:500;display:flex}.evidence-links button:hover{color:var(--primary);border-color:var(--strong-line)}.uncertainty{color:var(--muted);align-items:flex-start;gap:9px;margin:18px 0 22px;display:flex}.uncertainty>svg{flex-shrink:0;margin-top:1px}.uncertainty strong{margin-bottom:3px;font-size:12px;font-weight:600;display:block}.uncertainty p{font-size:13px;line-height:1.6}.try-card{border:1px solid var(--line);border-radius:var(--radius-md);background:linear-gradient(145deg,#f5f1ff,#f7f5fc);padding:17px 15px 13px;position:relative}.try-icon{width:32px;height:32px;color:var(--primary);border-radius:var(--radius-sm);background:#7c5cf624;justify-content:center;align-items:center;margin-bottom:12px;display:flex}.try-card .eyebrow{color:var(--primary-ink)}.try-card h3{margin:5px 0 9px}.try-card>p{color:var(--secondary);margin-bottom:16px;font-size:14px;line-height:1.6}.correction-button{color:var(--muted);margin-top:13px;font-weight:500}.student-correction{background:var(--green-soft);border-radius:0 var(--radius-xs) var(--radius-xs) 0;border-left:2px solid #10b98173;margin:12px 0;padding:12px}.student-correction .eyebrow{color:var(--green-text)}.student-correction p{margin-top:4px;font-size:14px}.correction-form{margin-top:12px}.correction-form .button-row{justify-content:flex-end}.feedback-footnote{color:var(--muted);margin:13px 0 0;font-size:12px;line-height:1.6}.feedback-empty{text-align:center;padding:20px 5px 15px}.empty-orbit{border:1px solid var(--line);background:var(--primary-soft);width:65px;height:65px;color:var(--primary);border-radius:50%;justify-content:center;align-items:center;margin:0 auto 18px;display:flex}.feedback-empty h3{font-size:16px}.feedback-empty p{color:var(--muted);margin-top:9px;font-size:13px;line-height:1.6}.dismissed-note{background:var(--soft);border-radius:var(--radius-sm);color:var(--muted);align-items:flex-start;gap:10px;padding:13px;font-size:13px;display:flex}.dismissed-note svg{flex-shrink:0;margin-top:2px}.student-notes{background:#fffefb;margin-top:16px;font-size:14px}.notes-save{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-top:12px;display:flex}.note-prompt{color:var(--muted);align-items:flex-start;gap:10px;margin-top:26px;font-size:13px;display:flex}.note-prompt svg{flex-shrink:0}.next-test{border-top:1px solid var(--line);background:#fdfcfe;padding:16px 20px 19px}.next-test .section-heading{margin-bottom:6px}.next-test p{color:var(--secondary);font-size:14px;line-height:1.6}.next-test .button-row{justify-content:flex-end;margin-top:8px}.teacher-help{border-top:1px solid var(--line);padding:17px 20px 20px}.teacher-help>div:first-child{color:var(--muted);align-items:center;gap:8px;margin-bottom:12px;font-size:12px;font-weight:500;display:flex}.help-mark{color:var(--amber-text);align-items:center;gap:8px;font-size:12px;font-weight:600;display:flex}.teacher-help>p{margin:10px 0 7px;font-size:13px}.notice{background:var(--amber-soft);color:var(--secondary);border-radius:var(--radius-sm);border:1px solid #f59e0b4d;margin:14px 0;padding:12px;font-size:13px}.notice>p{margin:4px 0}.notice.error{color:var(--danger-text);background:var(--danger-soft);border-color:#f43f5e40}.storage-warning{color:var(--amber-text);background:var(--amber-soft);justify-content:space-between;align-items:center;gap:12px;padding:8px 40px;font-size:13px;font-weight:500;display:flex}.app-footer{max-width:1400px;color:var(--muted);justify-content:space-between;align-items:center;gap:16px;margin:auto;padding:0 40px 25px;font-size:12px;font-weight:500;display:flex}.app-footer>div{align-items:center;gap:10px;display:flex}.app-footer button{color:var(--muted);font-size:inherit;font-weight:inherit;background:0 0;border:0;padding:0}.app-footer button:hover{color:var(--primary-hover)}.toast-region{pointer-events:none;z-index:70;justify-content:center;display:flex;position:fixed;bottom:24px;left:0;right:0}.toast{color:#fff;box-shadow:var(--shadow-raised);border-radius:var(--radius-md);pointer-events:auto;max-width:min(590px,100% - 32px);animation:toast-in .18s var(--ease);background:#2e293c;border:1px solid #514963;align-items:center;gap:11px;padding:14px 16px;font-size:13px;line-height:1.5;display:flex}.toast>span{color:#b7d8c6;display:flex}.toast>button{color:#cbc3d6;border-radius:var(--radius-xs);background:0 0;border:0;justify-content:center;align-items:center;min-width:44px;min-height:44px;margin-left:6px;padding:4px;display:flex}@keyframes toast-in{0%{opacity:0;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}.modal{width:min(510px,100vw - 32px);max-height:calc(100dvh - 48px);color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-xl);box-shadow:var(--shadow-overlay);padding:24px;overflow-y:auto}.modal.modal-wide{width:min(800px,100vw - 32px)}.modal::backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#27203578}.modal-header{justify-content:space-between;align-items:center;gap:20px;margin-bottom:19px;display:flex}.modal-header h2{font-size:21px}.modal-intro{color:var(--muted);margin:-3px 0 23px;font-size:13px;line-height:1.6}.modal-footer{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:15px;margin-top:23px;padding-top:19px;display:flex}.modal-footer>.button:only-child{margin-left:auto}.two-fields{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.checkbox-row{flex-direction:row;align-items:center;gap:9px;min-height:44px;font-size:13px;font-weight:400;display:flex}.capture-intro{margin-bottom:16px}.capture-intro p{color:var(--muted);margin-top:5px;font-size:13px}.capture-stage{border-radius:var(--radius-md);aspect-ratio:16/9;background:#25212d;justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.capture-stage.capture-empty{background:var(--soft);border:1px dashed var(--strong-line);text-align:center;flex-direction:column;padding:35px}.capture-icon{background:var(--surface);width:70px;height:70px;color:var(--primary);border:1px solid var(--line);border-radius:var(--radius-lg);justify-content:center;align-items:center;margin-bottom:18px;display:flex}.capture-empty h3{font-size:18px}.capture-empty>p{color:var(--muted);margin-top:8px;font-size:13px}.capture-empty>.button-row{justify-content:center;margin-top:20px}.capture-stage video{object-fit:contain;width:100%;height:100%}.capture-overlay{justify-content:space-between;align-items:center;gap:12px;display:flex;position:absolute;inset:auto 20px 18px}.button.recording{color:var(--danger-text);background:var(--danger-soft);border:1px solid #f43f5e4d}.recording-badge{color:#fff;border-radius:var(--radius-xs);background:#35212ac9;border:1px solid #824652;padding:4px 8px;font-size:12px;font-weight:500}.record-dot{background:var(--danger);border-radius:50%;width:6px;height:6px}.capture-options{justify-content:space-between;align-items:center;gap:15px;margin:15px 0;display:flex}.capture-form{margin-top:22px}.capture-form details{border-top:1px solid var(--line);padding-top:14px}.capture-form summary{justify-content:space-between;align-items:center;min-height:44px;font-size:13px;font-weight:600;display:flex}.capture-form details>p{margin:12px 0}.capture-form details .two-fields{margin-top:12px}.guide-intro{border-bottom:1px solid var(--line);margin-bottom:25px;padding:0 0 20px}.guide-intro h3{max-width:620px;margin:8px 0;font-size:21px;font-weight:600;line-height:1.4}.guide-intro p{color:var(--muted);font-size:13px}.guide-grid{grid-template-columns:1fr 1.5fr;gap:30px;display:grid}.small-title{font-size:13px;font-weight:600}.materials-list{gap:11px;margin:12px 0 20px;padding:0;list-style:none;display:grid}.materials-list li{color:var(--secondary);align-items:flex-start;gap:8px;font-size:13px;display:flex}.materials-list svg{color:var(--primary);flex-shrink:0;margin-top:2px}.guide-note{background:var(--soft);border-radius:var(--radius-sm);color:var(--muted);gap:10px;padding:13px;font-size:12px;font-weight:500;display:flex}.guide-note svg{flex-shrink:0}.guide-steps{gap:20px;margin:0;padding:0;list-style:none;display:grid}.guide-steps li{align-items:flex-start;gap:11px;display:flex}.guide-steps li>span{border-radius:var(--radius-sm);background:var(--primary-soft);width:24px;height:24px;color:var(--primary-ink);font-variant-numeric:tabular-nums;flex-shrink:0;justify-content:center;align-items:center;font-size:12px;font-weight:600;display:flex}.guide-steps h3{margin:1px 0 5px;font-size:13px}.guide-steps p{color:var(--muted);font-size:13px;line-height:1.6}.guide-goals{border-top:1px solid var(--line);margin-top:26px;padding-top:17px}.guide-goals summary{justify-content:space-between;align-items:center;min-height:44px;font-size:13px;font-weight:500;display:flex}.guide-goals>div{background:var(--soft);border-radius:var(--radius-sm);margin:13px 0;padding:12px;font-size:13px}.guide-goals .badge{margin-left:7px}.guide-goals p{color:var(--muted);margin-top:5px}.guide-sources{flex-direction:column;gap:7px;margin-top:24px;display:flex}.guide-sources>a{align-items:center;gap:7px;min-height:44px;font-size:13px;display:flex}.goal-presets{gap:6px;margin:-5px 0 20px;display:grid}.goal-presets button{text-align:left;background:var(--soft);color:var(--secondary);border-radius:var(--radius-xs);border:0;justify-content:space-between;align-items:center;gap:8px;padding:8px 12px;font-size:13px;font-weight:500;display:flex}.goal-presets button:hover{background:var(--primary-soft);color:var(--primary-ink)}.guidance-options{border:0;margin:20px 0 16px;padding:0}.guidance-options legend{color:var(--secondary);margin-bottom:10px;font-size:13px;font-weight:600}.guidance-options label{border:1px solid var(--line);border-radius:var(--radius-sm);cursor:pointer;flex-direction:row;align-items:flex-start;gap:10px;margin-bottom:7px;padding:11px 12px}.guidance-options label.selected{background:var(--primary-soft);border-color:var(--primary-ring)}.guidance-options input{margin-top:2px}.guidance-options label span{font-size:13px;font-weight:400;display:block}.guidance-options label strong{margin-bottom:3px;font-size:13px;font-weight:600;display:block}.workspace-actions{flex-direction:column;align-items:flex-start;gap:14px;display:flex}.workspace-actions>p{margin-top:-7px}.classroom-grid{grid-template-columns:265px minmax(0,1fr);align-items:start;gap:26px;display:grid}.group-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:16px}.group-list-heading{justify-content:space-between;align-items:center;margin:0 2px 12px;display:flex}.group-list-heading .badge{padding:1px 6px}.mobile-roster-toggle{display:none}.group-cards{gap:9px;margin-top:15px;display:grid}.group-card{border:1px solid var(--line);background:var(--surface);border-radius:var(--radius-md);text-align:left;width:100%;padding:14px 12px}.group-card:hover{background:var(--soft)}.group-card.selected{background:var(--primary-soft);border-color:var(--primary-ring)}.group-card>div{align-items:center;gap:9px;display:flex}.group-card strong{font-size:13px;font-weight:600}.group-avatar{border-radius:var(--radius-sm);background:var(--soft);width:28px;height:28px;color:var(--secondary);justify-content:center;align-items:center;font-size:12px;font-weight:600;display:flex}.group-card.selected .group-avatar{color:var(--primary-ink);background:#7c5cf62e}.visit-indicator{color:var(--amber-text);background:var(--amber-soft);border-radius:var(--radius-xs);margin-left:auto;padding:8px;display:flex;position:relative}.group-activity{color:var(--muted);margin:10px 0 5px;font-size:11px;font-weight:500;display:block}.group-card>p{color:var(--secondary);font-size:13px;line-height:1.5}.visit-brief{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);min-width:0;padding:24px}.brief-heading{justify-content:space-between;align-items:center;gap:16px;margin-bottom:22px;display:flex}.brief-heading h2{margin:7px 0;font-size:24px}.brief-heading .small{font-size:12px}.visit-request{background:var(--amber-soft);border-radius:var(--radius-md);border:1px solid #f59e0b4d;align-items:flex-start;gap:14px;margin-bottom:24px;padding:17px;display:flex}.request-icon{color:var(--amber-text);border-radius:var(--radius-sm);background:#f59e0b2e;padding:7px;display:flex}.visit-request .eyebrow{color:var(--amber-text)}.visit-request p{margin:6px 0;font-size:15px;line-height:1.55}.visit-request .small{color:var(--amber-text)}.withdrawn-request{color:var(--muted);background:var(--soft);border-radius:var(--radius-sm);align-items:center;gap:8px;margin-bottom:20px;padding:11px;font-size:13px;font-weight:500;display:flex}.brief-question{border-bottom:1px solid var(--line);padding:0 0 23px}.brief-question h3{margin-top:7px;font-size:18px;font-weight:600}.brief-columns{grid-template-columns:1fr 1fr;gap:28px;padding:24px 0;display:grid}.brief-section-heading{color:var(--secondary);align-items:center;gap:8px;margin-bottom:14px;display:flex}.brief-section-heading h3{font-size:13px}.brief-section-heading>svg{color:var(--muted)}.change-list{margin:0;padding:0;list-style:none}.change-list li{border-left:1px solid var(--line);margin-left:4px;padding:0 0 17px 17px;position:relative}.change-list li:last-child{border-color:#0000;padding-bottom:0}.change-line{width:5px;height:5px;box-shadow:0 0 0 4px var(--surface);background:#7c5cf673;border-radius:50%;position:absolute;top:5px;left:-3px}.change-list p{font-size:13px;line-height:1.55}.change-list time{color:var(--muted);font-variant-numeric:tabular-nums;margin-top:4px;font-size:12px;font-weight:500;display:block}.student-voice{border-radius:var(--radius-md);background:var(--soft);align-self:start;padding:18px}.student-voice blockquote{color:var(--secondary);margin:9px 0 12px;font-size:14px;line-height:1.6}.attribution{color:var(--muted);font-variant-numeric:tabular-nums;align-items:center;gap:5px;font-size:11px;font-weight:500;display:flex}.brief-plan{border-top:1px solid var(--strong-line);margin-top:17px;padding-top:15px}.brief-plan p{margin-top:6px;font-size:13px}.brief-assistance{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:21px 0}.assistance-meta{align-items:center;gap:9px;margin-bottom:9px;display:flex}.brief-assistance>p{margin-top:7px;font-size:14px}.brief-actions{flex-wrap:wrap;align-items:center;gap:9px;margin-top:22px;display:flex}.brief-actions .text-button{margin-left:auto}.brief-evidence{border-top:1px solid var(--line);margin-top:22px;padding-top:24px}.brief-evidence .viewer-grid{background:0 0;gap:15px}.brief-evidence .trial-viewer{border-radius:var(--radius-sm);border:1px solid var(--line);overflow:hidden}.brief-evidence .viewer-grid>div>p{margin-top:8px}.teacher-trial-title{flex-direction:column;gap:3px;margin-bottom:9px;font-size:12px;font-weight:500;display:flex}.teacher-trial-title span{color:var(--muted)}.prepare-question{background:var(--primary-soft);border-radius:var(--radius-md);border:1px solid #7c5cf640;margin-top:24px;padding:20px}.prepare-question>p{margin:-5px 0 12px}.prepare-question textarea{background:var(--surface)}.showcase-layout{grid-template-columns:minmax(0,1fr) 290px;align-items:start;gap:25px;display:grid}.story-sheet{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px}.story-header{align-items:center;gap:9px;margin-bottom:27px;display:flex}.story-mark{color:var(--primary);display:flex}.story-header .eyebrow{color:var(--primary-ink)}.story-group{color:var(--muted);margin-left:auto;font-size:12px;font-weight:500}.story-sheet>h2{letter-spacing:-.02em;font-size:32px}.story-question{color:var(--secondary);max-width:530px;margin-top:12px;font-size:14px}.story-trials{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:30px;display:grid}.story-step{align-items:center;gap:7px;margin-bottom:11px;font-size:12px;font-weight:500;display:flex}.story-step>span{background:var(--primary-soft);width:24px;height:24px;color:var(--primary-ink);font-variant-numeric:tabular-nums;border-radius:50%;justify-content:center;align-items:center;font-size:12px;font-weight:600;display:flex}.story-select{margin-bottom:10px}.story-trial .trial-viewer{border-radius:var(--radius-sm);border:1px solid var(--line);overflow:hidden}.story-trial h3{margin-top:12px;font-size:13px}.story-trial>p{color:var(--muted);margin-top:7px;font-size:13px}.story-explanation{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:28px;padding:24px 0}.story-explanation>p{margin-top:10px;font-size:15px;line-height:1.65}.story-next{align-items:flex-start;gap:12px;margin:22px 0 28px;display:flex}.story-next>svg{color:var(--primary);flex-shrink:0;margin-top:2px}.story-next p{color:var(--secondary);margin-top:6px;font-size:13px}.story-footer{color:var(--muted);border-top:1px solid var(--line);justify-content:space-between;gap:15px;padding-top:15px;font-size:12px;font-weight:500;display:flex}.story-editor{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);padding:20px}.story-editor .section-heading{color:var(--secondary)}.story-editor>.small{margin:10px 0 17px}.story-editor>label:not(.checkbox-row){margin-bottom:7px}.story-editor textarea{margin-bottom:12px}.story-editor .button{font-size:13px}.empty-workbench{grid-template-columns:1fr 1fr;align-items:center;gap:20px;min-height:380px;padding:45px;display:grid}.empty-workbench-copy{max-width:390px}.empty-workbench-copy h2{margin:10px 0 13px;font-size:24px}.empty-workbench-copy p{color:var(--muted);margin-bottom:22px;font-size:14px}.empty-workbench-copy .button-row{margin-top:18px}.showcase-empty{text-align:center;max-width:520px;margin:80px auto}.showcase-empty p{color:var(--muted);margin:18px 0 25px}.print-media{display:none}@media (width>=1600px){.app-header,.context-bar{padding-left:max(40px,50vw - 660px);padding-right:max(40px,50vw - 660px)}}@media (width<=1100px){.app-header{gap:16px;height:70px;padding:0 24px}.brand>span{font-size:19px}.brand>svg{width:31px;height:31px}.main-nav{gap:0}.main-nav button{padding:0 12px}.context-bar{padding:8px 25px}.main-content{padding:29px 24px 45px}.workbench-grid{grid-template-columns:minmax(0,1fr) 305px;gap:18px}.workbench-heading,.page-heading{gap:16px}.workbench-heading>.button-row{justify-content:flex-end}.workbench-heading>.button-row .button.quiet{padding:8px 12px}.moments-row{gap:7px;padding:10px 13px}.moment-buttons{gap:4px}.moment-buttons button{padding:8px 10px}.workspace-toolbar{padding:14px}.segmented button{padding:6px 8px}.section-heading>.small{display:none}.inquiry-body{padding:17px}.next-test,.teacher-help{padding-left:17px;padding-right:17px}.classroom-grid{grid-template-columns:235px minmax(0,1fr);gap:18px}.visit-brief{padding:22px}.brief-columns{gap:18px}.showcase-layout{grid-template-columns:minmax(0,1fr) 265px;gap:18px}.story-sheet{padding:26px}.story-trials{gap:12px}.app-footer{padding-left:24px;padding-right:24px}}@media (width<=850px){.workbench-grid{grid-template-columns:minmax(0,1fr);gap:24px}.inquiry-panel{grid-template-columns:1fr 1fr;display:grid}.inquiry-body{border-right:1px solid var(--line);grid-row:span 2;padding:22px}.next-test{border-top:0;align-self:start;padding:22px}.teacher-help{align-self:end;padding:22px}.moments-row{gap:14px;padding:12px 18px}.moment-buttons button{padding:8px 10px}.classroom-grid{grid-template-columns:210px minmax(0,1fr);gap:16px}.group-list{padding:12px}.visit-brief{padding:20px}.brief-heading{flex-direction:column;align-items:flex-start;gap:10px}.brief-columns{grid-template-columns:1fr;gap:23px}.brief-actions .text-button{margin-left:0}.brief-evidence .viewer-grid,.showcase-layout{grid-template-columns:1fr}.story-editor{max-width:none;display:block}.story-editor textarea{min-height:160px}.story-editor>.button{width:auto;min-width:150px}}@media (width<=600px){.empty-workbench{grid-template-columns:1fr;gap:15px;padding:25px}.empty-workbench-copy h2{font-size:23px}:root{font-size:15px}.app-header{flex-wrap:wrap;gap:0;height:auto;padding:17px 18px 0}.brand{order:0}.brand>span{font-size:21px}.main-nav{order:2;gap:10px;width:100%;height:48px;margin-top:12px}.main-nav button{flex:1;gap:6px;padding:0 6px}.main-nav button.active:after{height:2px;left:7px;right:7px}.context-bar{flex-direction:column;align-items:stretch;gap:3px;padding:9px 18px}.context-left{justify-content:space-between;gap:7px}.context-left>svg,.context-divider{display:none}.project-picker{max-width:68%}.project-picker select{text-align:right}.main-content{padding:25px 16px 35px}.workbench-heading,.page-heading{flex-direction:column;align-items:flex-start;gap:18px;margin-bottom:20px}.workbench-heading p,.page-heading p{max-width:340px;line-height:1.55}.workbench-heading>.button-row{grid-template-columns:1fr 1fr;gap:9px;width:100%;display:grid}.question-bar{gap:10px;margin-bottom:18px;padding:13px}.question-icon{width:34px;height:34px}.question-edit{align-items:flex-start;gap:8px;line-height:1.55}.question-edit svg{margin-top:4px}.inline-form{flex-wrap:wrap;justify-content:flex-end}.inline-form input{flex:1 0 100%}.workspace-toolbar{gap:8px;padding:13px}.toolbar-title strong{max-width:150px;display:block}.segmented button{padding:6px 8px}.segmented button svg{width:13px}.scene-meta{top:10px;left:10px;right:10px}.scene-footer{min-height:44px;padding:8px 11px}.scene-footer>div{gap:7px}.moments-row{flex-direction:column;align-items:flex-start;gap:7px;padding:12px 13px}.moment-buttons{gap:5px;width:100%}.moment-buttons button{padding:8px 10px}.viewer-grid.is-comparing{grid-template-columns:1fr;gap:1px}.alignment-note{align-items:flex-start;padding:0 13px 13px}.alignment-note svg{flex-shrink:0;margin-top:2px}.compare-label{flex-direction:row;justify-content:space-between;align-items:center;gap:14px;padding:10px 13px}.compare-label>span{flex-shrink:0}.compare-label select{width:auto;min-width:0;max-width:72%}.trials-section{margin-top:20px}.filmstrip{gap:9px}.trial-card{flex-basis:155px}.new-trial-card{min-width:85px}.conditions-content{padding:12px}td,th{padding:6px 4px}.inquiry-panel{display:block}.inquiry-body{border:0;padding:21px}.next-test{border-top:1px solid var(--line);padding:18px 21px}.teacher-help{padding:20px 21px}.classroom-grid{display:block}.group-list{margin-bottom:17px;padding:13px}.group-list-heading{margin-bottom:10px}.mobile-roster-toggle{color:var(--primary-ink);background:0 0;border:0;align-items:center;gap:6px;margin-left:auto;padding:10px 12px;font-weight:500;display:inline-flex}.group-list:not(.roster-open) .group-cards{display:none}.group-cards{scroll-snap-type:x proximity;gap:10px;margin:12px -2px -8px;padding:2px 2px 8px;display:flex;overflow-x:auto}.group-card{scroll-snap-align:start;flex:0 0 215px}.visit-brief{border-radius:var(--radius-md);padding:20px 17px}.brief-heading{flex-direction:row;align-items:center;gap:8px}.brief-heading h2{font-size:21px}.visit-request{gap:11px;padding:13px}.brief-columns{gap:24px;padding:21px 0}.brief-actions{gap:8px}.brief-actions .button{flex:1}.brief-actions .text-button{width:100%;padding:9px 0 0}.assistance-meta{flex-wrap:wrap}.prepare-question{padding:15px}.story-sheet{border-radius:var(--radius-md);padding:22px 17px}.story-header{flex-wrap:wrap;gap:7px;margin-bottom:23px}.story-sheet>h2{font-size:27px}.story-trials{grid-template-columns:1fr;gap:24px;margin-top:25px}.story-footer{flex-direction:column;gap:5px}.story-editor{padding:20px}.app-footer{flex-direction:column;align-items:flex-start;gap:8px;padding:0 18px 23px}.modal{max-height:calc(100dvh - 28px);padding:20px}.modal-header{margin-bottom:17px}.modal-footer{flex-wrap:wrap;gap:13px}.modal-footer>.button-row{margin-left:auto}.capture-stage{aspect-ratio:4/3}.capture-stage.capture-empty{min-height:285px;padding:25px 15px}.capture-icon{width:55px;height:55px;margin-bottom:13px}.capture-empty .button-row{gap:7px;margin-top:18px}.capture-options{flex-direction:column;align-items:flex-start;gap:9px}.capture-overlay{gap:6px;inset:auto 10px 12px}.capture-overlay .button{padding:10px 12px}.two-fields{gap:10px}.guide-grid{grid-template-columns:1fr;gap:25px}.guide-intro h3{font-size:18px}.storage-warning{padding:8px 18px}}.feedback-cta,.classroom-connect{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface,#fffefb);gap:10px;padding:14px;display:grid}.classroom-connect label{gap:4px;font-size:13px;font-weight:600;display:grid}.classroom-connect input{border:1px solid var(--border);border-radius:var(--radius);min-height:44px;padding:0 12px;font-size:14px}.server-brief{border:1px solid var(--border);border-radius:var(--radius);gap:10px;margin-top:16px;padding:14px;display:grid}.server-brief-list{gap:8px;margin:0;padding:0;list-style:none;display:grid}.server-brief-list time{color:var(--faint);font-size:12px}.server-brief-disclosure{gap:4px;font-size:13px;font-weight:600;display:grid}.server-brief-disclosure select{border:1px solid var(--border);border-radius:var(--radius);min-height:44px;font-size:14px}.server-evidence{border-radius:var(--radius);width:100%;margin:6px 0}.live-status{align-items:center;gap:10px;margin-top:10px;display:flex}.live-status .button{min-height:36px}.capture-stage video{border-radius:var(--radius);width:100%}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}@media print{@page{size:A4;margin:14mm}:root{color:#222;background:#fff;font-size:12px}.no-print,.toast-region,.story-editor,.skip-link,.group-list,.brief-evidence{display:none!important}.main-content{max-width:none;margin:0;padding:0}.showcase-layout{display:block}.story-sheet{border:0;border-radius:0;padding:0}.story-trials{grid-template-columns:1fr 1fr;display:grid}.story-trial,.story-explanation,.story-next{break-inside:avoid}.story-header,.story-footer{color:#555}.story-trial .trial-viewer{-webkit-print-color-adjust:exact;print-color-adjust:exact}.scene-content video{display:none}.print-media{display:block}.print-media img{width:100%;height:auto;display:block}.scene-meta,.scene-footer{font-size:10px}.story-sheet>h1{font-size:25px}.story-explanation>p{font-size:13px}button,select{display:none!important}}
