:root{--huddle-bg:#ffffff;--huddle-surface:#faf7f8;--huddle-surface-strong:#f3edef;--huddle-ink:#241c1f;--huddle-muted:#675c61;--huddle-brand:#9a2148;--huddle-brand-dark:#771735;--huddle-line:#e4dadd;--huddle-blue:#1757a6;--huddle-blue-soft:#edf5ff;--huddle-green:#176c4b;--huddle-green-soft:#edf9f2;--huddle-warn:#8b4f00}*{box-sizing:border-box}html{min-width:300px}body{margin:0;color:var(--huddle-ink);background:var(--huddle-bg);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:15px;line-height:1.45}h1,h2,h3{line-height:1.18;text-wrap:balance}p{text-wrap:pretty}a{color:var(--huddle-blue)}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.6}:focus-visible{outline:3px solid #2767bd;outline-offset:3px}.app-header{position:-webkit-sticky;position:sticky;top:0;z-index:20;min-height:64px;display:flex;align-items:center;gap:24px;padding:9px max(18px,calc((100vw - 1320px) / 2));border-bottom:1px solid var(--huddle-line);background:rgba(255,255,255,.97)}.app-brand{display:inline-flex;align-items:center;gap:10px;color:var(--huddle-ink);font-size:1.08rem;font-weight:850;letter-spacing:-.025em;text-decoration:none}.app-logo{width:30px;height:30px;display:inline-grid;place-items:center;border-radius:8px;background:var(--huddle-brand);color:white;font-size:.9rem}.app-nav{display:flex;gap:20px}.app-nav a{color:var(--huddle-muted);font-size:.9rem;font-weight:700;text-decoration:none}.app-nav a:hover{color:var(--huddle-brand)}.app-scope{margin:0 0 0 auto;color:var(--huddle-muted);font-size:.76rem;line-height:1.25;text-align:right}.app-scope strong{display:block;color:var(--huddle-ink)}.site-main{width:min(1120px,calc(100% - 32px));margin:0 auto;padding:64px 0}.hero{min-height:62vh;display:grid;grid-template-columns:1.35fr .8fr;grid-gap:48px;gap:48px;align-items:center}.eyebrow-global{margin:0 0 10px;color:var(--huddle-brand);font-size:.78rem;font-weight:850;letter-spacing:.08em;text-transform:uppercase}.hero h1{max-width:13ch;margin:0;font-size:clamp(2.3rem,6vw,4.8rem);line-height:.98;letter-spacing:-.04em}.hero h1 span{color:var(--huddle-brand)}.hero-copy{max-width:43rem;margin:24px 0;color:var(--huddle-muted);font-size:1.12rem;line-height:1.65}.actions,.workflow-actions{display:flex;flex-wrap:wrap;gap:10px}.button,button{min-height:44px;display:inline-flex;justify-content:center;align-items:center;padding:9px 15px;border:1px solid var(--huddle-brand);border-radius:9px;background:var(--huddle-brand);color:white;font-weight:750;text-decoration:none}.button:hover,button:hover{background:var(--huddle-brand-dark)}.button.secondary{background:white;color:var(--huddle-brand)}.promise-card{padding:26px;border:1px solid var(--huddle-line);border-radius:14px;background:white}.promise-card h2{margin-top:0}.promise-list{display:grid;grid-gap:15px;gap:15px;padding:0;list-style:none}.promise-list li{position:relative;padding-left:24px;color:var(--huddle-muted)}.promise-list li:before{content:"✓";position:absolute;left:0;color:var(--huddle-green);font-weight:850}.auth-page{min-height:calc(100vh - 64px);display:grid;grid-template-columns:minmax(300px,.85fr) minmax(360px,1.15fr)}.auth-intro{min-height:560px;display:flex;flex-direction:column;justify-content:center;padding:clamp(36px,7vw,90px);background:var(--huddle-brand);color:white}.auth-intro>p{margin:0 0 24px;font-weight:750}.auth-intro h1{max-width:10ch;margin:0 0 16px;font-size:2.9rem;letter-spacing:-.035em}.auth-intro span{max-width:34ch;font-size:1.05rem}.auth-main{display:grid;place-items:center;padding:clamp(28px,7vw,80px)}.auth-box{width:min(100%,430px)}.auth-box h2{margin:0 0 8px;font-size:1.65rem}.auth-box>p{color:var(--huddle-muted)}.form-stack{display:grid;grid-gap:15px;gap:15px;margin-top:26px}.form-stack label,.upload-row label{display:grid;grid-gap:7px;gap:7px;color:var(--huddle-ink);font-weight:700}.form-stack input,.upload-row input{width:100%;min-height:46px;padding:10px 12px;border:1px solid #cfc2c7;border-radius:8px;background:white}.policy-note{padding:12px 14px;border:1px solid #b8d1ee;border-radius:9px;background:var(--huddle-blue-soft);color:#234a78!important}.workflow-page{width:min(820px,calc(100% - 32px));margin:0 auto;padding:52px 0 70px}.import-workflow{display:grid;grid-gap:18px;gap:18px}.workflow-heading h1{margin:0 0 8px;font-size:2rem;letter-spacing:-.025em}.workflow-heading p{max-width:62ch;margin:0;color:var(--huddle-muted)}.sample-download{width:max-content;font-weight:700}.upload-row{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-gap:12px;gap:12px;align-items:flex-end;padding:20px 0;border-top:1px solid var(--huddle-line);border-bottom:1px solid var(--huddle-line)}.import-result{padding-top:8px}.import-result h2{font-size:1.15rem}.import-result dl{display:grid;grid-template-columns:1fr auto;grid-gap:8px 20px;gap:8px 20px;margin:0;padding:16px 0;border-top:1px solid var(--huddle-line);border-bottom:1px solid var(--huddle-line)}.import-result dt{color:var(--huddle-muted)}.import-result dd{margin:0;font-weight:800;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.desk-state,.evidence-desk{width:min(1320px,calc(100% - 32px));margin:0 auto;padding:30px 0 56px}.desk-header{display:flex;align-items:flex-end;justify-content:space-between;gap:20px}.desk-header h1,.desk-state h1{margin:0;font-size:2rem;letter-spacing:-.025em}.desk-header p{margin:6px 0 0;color:var(--huddle-muted)}.desk-freshness,.recovery{display:flex;flex-wrap:wrap;align-items:center;gap:7px 13px;margin:22px 0 18px;padding:11px 14px;border:1px solid var(--huddle-line);border-radius:10px;background:var(--huddle-surface);color:var(--huddle-muted);font-size:.82rem}.desk-freshness strong,.recovery strong{color:var(--huddle-ink)}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--huddle-green)}.status-dot-warning{background:var(--huddle-warn)}.freshness-push{margin-left:auto}.recovery{background:var(--huddle-blue-soft);color:#244a78}.desk-grid{min-height:620px;display:grid;grid-template-columns:minmax(330px,.78fr) minmax(0,1.4fr);overflow:hidden;border:1px solid var(--huddle-line);border-radius:12px}.evidence-rail{min-width:0;border-right:1px solid var(--huddle-line);background:var(--huddle-surface)}.rail-heading{padding:18px;border-bottom:1px solid var(--huddle-line)}.rail-heading h2{margin:0 0 4px;font-size:1rem}.rail-heading p{margin:0;color:var(--huddle-muted);font-size:.82rem}.evidence-rail ol{margin:0;padding:0;list-style:none}.evidence-rail li{border-bottom:1px solid var(--huddle-line)}.rail-link{width:100%;display:grid;grid-template-columns:32px minmax(0,1fr) auto;grid-gap:10px;gap:10px;padding:14px;color:var(--huddle-ink);text-decoration:none}.rail-link:hover,.rail-link[aria-current=page]{background:white}.rail-rank{color:var(--huddle-brand);font-weight:850;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.rail-copy{min-width:0;display:grid;grid-gap:3px;gap:3px}.rail-copy small,.rail-copy>span{overflow-wrap:anywhere}.rail-copy small{color:var(--huddle-muted)}.rail-copy .seen{color:var(--huddle-green);font-weight:750}.rail-status-line{display:flex;flex-wrap:wrap;gap:5px;margin-top:3px}.rail-status-line .confidence,.rail-status-line .priority,.rail-status-line .rank-label{font-size:.69rem}.rail-chevron{align-self:center;color:var(--huddle-muted);font-size:1.2rem}.workspace-slot{min-width:0;background:white}.workspace-empty{min-height:100%;display:grid;align-content:center;justify-items:start;max-width:42rem;padding:clamp(30px,6vw,70px)}.workspace-empty h2{max-width:15ch;margin:16px 0 8px;font-size:2rem}.workspace-empty p{max-width:54ch;margin:0;color:var(--huddle-muted)}.evidence-workspace{padding:22px}.return-link{display:inline-block;margin-bottom:20px;color:var(--huddle-blue);font-weight:700}.report-heading{margin-bottom:24px}.report-status-line{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.confidence,.priority,.rank-label{display:inline-flex;align-items:center;gap:5px;padding:3px 8px;border-radius:999px;font-size:.76rem;font-weight:780}.priority-urgent{background:#ffe9e9;color:#942532}.priority-elevated{background:#fff1dd;color:var(--huddle-warn)}.priority-watch{background:var(--huddle-blue-soft);color:var(--huddle-blue)}.confidence,.rank-label{background:#f1efef;color:#554b4f}.report-heading h2{margin:12px 0 4px;font-size:2rem;letter-spacing:-.025em}.report-heading p{margin:0;color:var(--huddle-muted)}.finding-intro,.report-context,.teacher-evidence{padding:20px 0;border-top:1px solid var(--huddle-line)}.teacher-guidance-card{overflow:hidden;margin-bottom:20px;border:1px solid var(--huddle-line);border-radius:12px}.teacher-guidance-heading{display:flex;justify-content:space-between;gap:16px;padding:16px;border-bottom:1px solid var(--huddle-line);background:var(--huddle-surface)}.guidance-field h4,.teacher-guidance-heading h3{margin:0}.teacher-guidance-heading h3{font-size:1.1rem}.teacher-guidance-heading p{margin:5px 0 0;color:var(--huddle-muted);font-size:.84rem}.guidance-field{min-width:0;padding:15px 16px}.guidance-field h4{display:flex;flex-wrap:wrap;gap:6px;align-items:center;color:var(--huddle-muted);font-size:.72rem;letter-spacing:.055em;text-transform:uppercase}.guidance-field h4 span{padding:2px 5px;border-radius:4px;background:#efedf0;color:#554b4f;font-size:.58rem;letter-spacing:.02em;text-transform:none}.guidance-ask h4 span,.guidance-explanation h4 span,.guidance-move h4 span{background:#f2dbe3;color:var(--huddle-brand-dark)}.guidance-field>p{margin:8px 0 0;overflow-wrap:anywhere}.guidance-ask,.guidance-explanation{border-bottom:1px solid var(--huddle-line)}.guidance-explanation.working-hypothesis{border-left:4px solid var(--huddle-warn);background:#fff7e7}.guidance-ask{background:#fff2f6}.guidance-ask>p,.guidance-move>p{font-weight:760}.guidance-footer,.guidance-fork{display:grid;grid-template-columns:1fr 1fr}.guidance-fork{position:relative;gap:20px;padding:34px 16px 16px;border-bottom:1px solid var(--huddle-line)}.guidance-fork:before{position:absolute;top:13px;right:25%;left:25%;height:18px;border-top:2px solid #c6a5b0;border-right:2px solid #c6a5b0;border-left:2px solid #c6a5b0;content:""}.guidance-footer,.guidance-fork .guidance-field{border:1px solid var(--huddle-line);border-radius:9px}.guidance-confident{background:var(--huddle-green-soft)}.guidance-struggle{background:var(--huddle-blue-soft)}.guidance-footer{overflow:hidden;margin:16px}.guidance-footer .guidance-field+.guidance-field{border-left:1px solid var(--huddle-line)}.guidance-move{background:#f5eef1}.finding-intro h3,.report-context h3,.teacher-evidence h3{margin:0 0 10px;font-size:1.05rem}.finding-intro>p{max-width:70ch}blockquote{margin:15px 0 0;padding:15px;border:1px solid var(--huddle-line);border-radius:10px;background:var(--huddle-surface);font-size:1rem}.provenance{display:grid;grid-template-columns:auto minmax(0,1fr);grid-gap:10px;gap:10px;align-items:start;padding:12px 14px;border-radius:9px;background:var(--huddle-blue-soft);color:#274a74;font-size:.8rem}.provenance small,.provenance strong{display:block}.provenance small{margin-top:2px}.metrics{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:1px;gap:1px;overflow:hidden;margin:0;border:1px solid var(--huddle-line);border-radius:10px;background:var(--huddle-line)}.metrics div{padding:13px;background:white}.metrics dt{color:var(--huddle-muted);font-size:.78rem}.metrics dd{margin:5px 0 0;font-size:1.05rem;font-weight:800}.prerequisite-context{margin-top:18px}.prerequisite-context h4{margin:0 0 8px;font-size:.9rem}.prerequisite-context p{margin:0;color:var(--huddle-muted)}.teacher-evidence-disclosure{overflow:hidden;border:1px solid var(--huddle-line);border-radius:10px}.teacher-evidence-disclosure>summary{padding:14px;cursor:pointer;font-weight:780}.teacher-evidence-body{padding:0 14px 14px;border-top:1px solid var(--huddle-line)}.teacher-evidence-body>p{margin:12px 0;color:var(--huddle-muted);font-size:.86rem}.teacher-evidence-list{margin:0;padding:0;list-style:none}.teacher-evidence-item{display:grid;grid-template-columns:minmax(132px,.35fr) minmax(0,1fr);grid-gap:14px;gap:14px;padding:14px 0;border-top:1px solid var(--huddle-line)}.teacher-evidence-when{display:grid;align-content:start;grid-gap:3px;gap:3px;color:var(--huddle-muted);font-size:.8rem}.teacher-evidence-when time{color:var(--huddle-ink);font-weight:700}.teacher-evidence-content>strong{display:block}.teacher-evidence-content dl{display:flex;flex-wrap:wrap;gap:6px 16px;margin:6px 0 0}.teacher-evidence-content dl>div{display:flex;gap:4px;font-size:.82rem}.teacher-evidence-content dt{color:var(--huddle-muted)}.teacher-evidence-content dd{margin:0}.result-correct{color:var(--huddle-green);font-weight:750}.result-incorrect{color:#942532;font-weight:750}.acknowledgment{margin:18px 22px 0;padding:10px 12px;border-radius:9px;background:var(--huddle-green-soft);color:var(--huddle-green);font-size:.82rem;font-weight:700}.desk-state{max-width:700px;padding-top:14vh;text-align:center}.desk-state p{color:var(--huddle-muted)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media (max-width:760px){.app-header{gap:14px;padding:10px 14px}.app-nav{margin-left:auto;gap:14px}.app-scope{display:none}.site-main{padding-top:36px}.hero{min-height:auto;grid-template-columns:1fr}.auth-page{display:block}.auth-intro{min-height:auto;padding:34px 20px}.auth-intro h1{max-width:14ch;font-size:2rem}.auth-main{display:block;padding:34px 20px 50px}.workflow-page{width:min(100% - 24px,620px);padding-top:30px}.upload-row{grid-template-columns:1fr}.upload-row button{width:100%}.desk-state,.evidence-desk{width:100%;padding:22px 12px 40px}.freshness-push{width:100%;margin-left:21px}.desk-grid{display:block;min-height:0;border-left:0;border-radius:0}.desk-grid,.evidence-rail{border-right:0}.desk-grid.has-selection .evidence-rail,.workspace-slot{display:none}.desk-grid.has-selection .workspace-slot{display:block}.evidence-workspace{padding:18px 14px}.guidance-footer,.guidance-fork,.metrics{grid-template-columns:1fr}.guidance-fork{gap:10px;padding:14px}.guidance-fork:before{display:none}.guidance-footer{margin:14px}.guidance-footer .guidance-field+.guidance-field{border-top:1px solid var(--huddle-line);border-left:0}.teacher-evidence-item{grid-template-columns:1fr;gap:6px}.teacher-evidence-content dl{display:grid;grid-gap:4px;gap:4px}.acknowledgment{margin:14px 14px 0}}@media (prefers-reduced-motion:reduce){*,:after,:before{scroll-behavior:auto!important;transition:none!important;animation:none!important}}