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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1"> | |
| <title>Recall — your AI study partner</title> | |
| <link rel="preconnect" href="https://fonts.googleapis.com"> | |
| <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin> | |
| <link href="https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,500;12..96,600;12..96,700;12..96,800&family=Hanken+Grotesk:wght@400;500;600;700;800&family=Spline+Sans+Mono:wght@400;500&display=swap" rel="stylesheet"> | |
| <style> | |
| *{box-sizing:border-box;} | |
| html,body{margin:0;padding:0;} | |
| body{min-height:100vh;background:#f5f3ee;color:#17160f;font-family:'Hanken Grotesk',system-ui,sans-serif;-webkit-font-smoothing:antialiased;} | |
| textarea{font-family:'Hanken Grotesk',sans-serif;} | |
| ::selection{background:#d6dbfb;} | |
| @keyframes recBob{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}} | |
| @keyframes recFlick{0%,100%{transform:scale(1) rotate(-2deg)}50%{transform:scale(1.1) rotate(2deg)}} | |
| @keyframes recPop{0%{transform:scale(0);opacity:0}60%{transform:scale(1.18)}100%{transform:scale(1);opacity:1}} | |
| @keyframes recShimmer{0%{background-position:-240px 0}100%{background-position:240px 0}} | |
| @keyframes recBanner{0%{transform:translateY(12px);opacity:0}100%{transform:translateY(0);opacity:1}} | |
| @keyframes recSlideIn{0%{transform:translateY(14px) scale(.99)}100%{transform:translateY(0) scale(1)}} | |
| @keyframes recRise{0%{transform:translateY(8px);opacity:0}100%{transform:translateY(0);opacity:1}} | |
| @keyframes recDot{0%,100%{opacity:.25;transform:translateY(0)}50%{opacity:1;transform:translateY(-3px)}} | |
| .ta{width:100%;resize:vertical;border:1px solid #e7e3d9;border-radius:15px;font-size:15px;line-height:1.6;color:#17160f;background:#faf9f6;outline:none;transition:border-color .15s,box-shadow .15s,background .15s;} | |
| .ta:focus{border-color:#3b5bdb;background:#fff;box-shadow:0 0 0 4px #eceefc;} | |
| button{font-family:'Hanken Grotesk',sans-serif;} | |
| .btn-primary{appearance:none;border:none;cursor:pointer;font-weight:700;color:#fff;background:#3b5bdb;border-radius:14px;box-shadow:0 2px 0 #2a3fa6;transition:background .15s,transform .06s,box-shadow .06s;} | |
| .btn-primary:hover{background:#3450cf;} | |
| .btn-primary:active{transform:translateY(1px);box-shadow:0 1px 0 #2a3fa6;} | |
| .btn-dark{appearance:none;border:none;cursor:pointer;font-weight:700;color:#fff;background:#17160f;border-radius:13px;transition:background .15s,transform .06s;} | |
| .btn-dark:hover{background:#2c2a20;} | |
| .btn-dark:active{transform:translateY(1px);} | |
| .btn-ghost{appearance:none;border:1px solid #d8d3c7;background:#fff;cursor:pointer;font-weight:600;color:#3d3b33;border-radius:11px;transition:border-color .15s;} | |
| .btn-ghost:hover{border-color:#17160f;} | |
| .pick:hover{border-color:#3b5bdb !important;} | |
| .pick-warn:hover{border-color:#e8590c !important;} | |
| .chip-sample:hover{border-color:#3b5bdb !important;color:#2b3da8 !important;} | |
| .scan-prev{position:relative;display:inline-flex} | |
| .scan-prev-pop{position:absolute;bottom:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(4px);width:320px;max-width:80vw;border-radius:12px;box-shadow:0 14px 34px rgba(20,18,10,.22);opacity:0;visibility:hidden;transition:opacity .15s ease,transform .15s ease;z-index:40;pointer-events:none;background:#fff;border:1px solid #e7e3d9;overflow:hidden} | |
| .scan-prev:hover .scan-prev-pop,.scan-prev:focus-within .scan-prev-pop{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)} | |
| .scan-prev-pop img{display:block;width:100%} | |
| .scan-prev-text{display:block;padding:14px 15px;font-size:12px;line-height:1.55;color:#3b3a32;text-align:left;max-height:190px;overflow:auto} | |
| .scan-prev-cap{font-family:'Spline Sans Mono',monospace;font-size:10px;color:#9a9789;letter-spacing:.03em;padding:7px 10px;border-top:1px solid #efece4;background:#faf9f6;text-align:left} | |
| .diff-easier:hover{border-color:#1f8a5b !important;color:#1f8a5b !important;} | |
| .diff-harder:hover{border-color:#e8590c !important;color:#c2410c !important;} | |
| .tab{appearance:none;border:none;cursor:pointer;font-size:14px;padding:10px 16px;border-radius:11px 11px 0 0;background:transparent;color:#6f6d61;font-weight:600;} | |
| .tab.active{background:#eceefc;color:#2b3da8;font-weight:700;} | |
| </style> | |
| </head> | |
| <body> | |
| <div id="app"></div> | |
| <input id="fileInput" type="file" accept=".pdf,.txt" style="display:none"> | |
| <script> | |
| const C = { ink:'#17160f', ink2:'#6f6d61', line:'#e7e3d9', indigo:'#3b5bdb', green:'#1f8a5b', orange:'#e8590c' }; | |
| const S = { | |
| screen:'upload', mode:'paste', | |
| sid:null, card:null, view:null, | |
| pasteText:'', fileName:'', sample:'', | |
| generating:false, uploadError:'', | |
| phase:'answering', answer:'', answerShown:'', result:null, | |
| best:0, showBanner:false, missed:'', injectedIds:[], | |
| regenBusy:false, recap:null, animateCard:false, | |
| }; | |
| let selectedFile = null; | |
| /* ---------- visual helpers (ported from the design) ---------- */ | |
| function mascot(mood){ | |
| let k = ''; | |
| k += `<line x1="32" y1="11" x2="32" y2="3" stroke="${C.indigo}" stroke-width="3" stroke-linecap="round"/>`; | |
| k += `<circle cx="32" cy="2.5" r="3" fill="${C.orange}"/>`; | |
| k += `<rect x="6" y="10" width="52" height="50" rx="18" fill="${C.indigo}"/>`; | |
| k += `<rect x="14" y="30" width="36" height="24" rx="13" fill="rgba(255,255,255,0.10)"/>`; | |
| const eyeY = mood === 'thinking' ? 25 : 28; | |
| if (mood === 'happy' || mood === 'celebrate'){ | |
| k += `<path d="M19 29 q5 -6 10 0" stroke="#fff" stroke-width="2.8" fill="none" stroke-linecap="round"/>`; | |
| k += `<path d="M35 29 q5 -6 10 0" stroke="#fff" stroke-width="2.8" fill="none" stroke-linecap="round"/>`; | |
| k += `<path d="M25 40 q7 8 14 0" stroke="#fff" stroke-width="2.8" fill="none" stroke-linecap="round"/>`; | |
| if (mood === 'celebrate'){ | |
| k += `<circle cx="10" cy="16" r="2" fill="${C.orange}"/>`; | |
| k += `<circle cx="54" cy="18" r="2" fill="${C.green}"/>`; | |
| k += `<circle cx="52" cy="40" r="1.6" fill="${C.orange}"/>`; | |
| } | |
| } else if (mood === 'oops'){ | |
| k += `<circle cx="24" cy="28" r="6" fill="#fff"/><circle cx="24" cy="29" r="2.6" fill="${C.ink}"/>`; | |
| k += `<circle cx="40" cy="28" r="6" fill="#fff"/><circle cx="40" cy="29" r="2.6" fill="${C.ink}"/>`; | |
| k += `<circle cx="32" cy="45" r="3.2" fill="#fff"/>`; | |
| } else if (mood === 'thinking'){ | |
| k += `<circle cx="24" cy="${eyeY}" r="5" fill="#fff"/><circle cx="25" cy="${eyeY-1.5}" r="2.3" fill="${C.ink}"/>`; | |
| k += `<circle cx="40" cy="${eyeY}" r="5" fill="#fff"/><circle cx="41" cy="${eyeY-1.5}" r="2.3" fill="${C.ink}"/>`; | |
| k += `<path d="M28 44 h9" stroke="#fff" stroke-width="2.6" fill="none" stroke-linecap="round"/>`; | |
| } else { | |
| k += `<circle cx="24" cy="28" r="5" fill="#fff"/><circle cx="24" cy="29" r="2.4" fill="${C.ink}"/>`; | |
| k += `<circle cx="40" cy="28" r="5" fill="#fff"/><circle cx="40" cy="29" r="2.4" fill="${C.ink}"/>`; | |
| k += `<path d="M27 42 q5 4 10 0" stroke="#fff" stroke-width="2.6" fill="none" stroke-linecap="round"/>`; | |
| } | |
| return `<svg width="100%" height="100%" viewBox="0 0 64 64" style="display:block;overflow:visible">${k}</svg>`; | |
| } | |
| function flame(){ | |
| return `<svg width="100%" height="100%" viewBox="0 0 24 24" style="display:block">`+ | |
| `<path d="M12.5 2c.6 3.2 2.7 4.6 3.8 6.6A6.3 6.3 0 0 1 17 11.6C17 15.8 14.1 19.5 11.7 19.5 8.7 19.5 6.2 17 6.2 13.5c0-2.1 1.1-3.6 2.1-4.8.2 1.1.9 1.9 1.8 2.4C9.6 9.3 9.3 6.7 12.5 2z" fill="#e8590c"/>`+ | |
| `<path d="M11.6 19.5c1.6 0 3-1.4 3-3.2 0-1.4-1-2.6-1.9-3.6-.3 1.5-1.6 2-1.6 3.4 0 .6.3 1.1.6 1.6-1.1-.2-1.7-1-1.7-2.1-.7.7-1.1 1.5-1.1 2.4 0 .8.9 1.5 2.6 1.5z" fill="#f8b24a"/></svg>`; | |
| } | |
| function scoreDots(r){ | |
| if (!r) return ''; | |
| const col = r.correct ? C.green : C.orange; | |
| return `<div style="display:flex;gap:5px">` + [0,1,2,3,4].map(i => | |
| `<div style="width:11px;height:11px;border-radius:99px;background:${i < r.score ? col : '#e7e3d9'}"></div>`).join('') + `</div>`; | |
| } | |
| function masteryBars(){ | |
| const stats = (S.view && S.view.topicStats) || {}; | |
| const entries = Object.entries(stats); | |
| if (!entries.length) | |
| return `<div style="font-family:'Spline Sans Mono',monospace;font-size:10px;color:${C.ink2};letter-spacing:.08em;text-transform:uppercase">Mastery · building…</div>`; | |
| const bars = entries.map(([t, s]) => { | |
| const pct = s.total ? s.correct / s.total : 0; | |
| const col = s.total === 0 ? C.line : (pct >= 0.7 ? C.green : C.orange); | |
| const h = Math.max(14, pct * 100); | |
| return `<div title="${esc(t)}: ${Math.round(pct*100)}%" style="width:8px;height:26px;border-radius:5px;background:#e7e3d9;display:flex;align-items:flex-end;overflow:hidden">`+ | |
| `<div style="width:100%;height:${h}%;background:${col};border-radius:5px;transition:height .5s cubic-bezier(.2,.8,.2,1)"></div></div>`; | |
| }).join(''); | |
| return `<div style="display:flex;align-items:center;gap:12px">`+ | |
| `<span style="font-family:'Spline Sans Mono',monospace;font-size:10px;color:${C.ink2};letter-spacing:.1em;text-transform:uppercase">Mastery</span>`+ | |
| `<div style="display:flex;gap:6px;align-items:flex-end;height:26px">${bars}</div></div>`; | |
| } | |
| function queueRail(){ | |
| const rail = (S.view && S.view.rail) || []; | |
| const pos = (S.view && S.view.answered) || 0; | |
| return `<div style="display:flex;gap:6px;align-items:center;flex-wrap:wrap">` + rail.map((c, i) => { | |
| const injected = S.injectedIds.includes(c.id) || c.injected; | |
| let bg = '#ded9cd', w = 11; | |
| if (i < pos) bg = C.ink; | |
| if (i === pos) { bg = C.indigo; w = 28; } | |
| if (i > pos && injected) bg = C.orange; | |
| let extra = ''; | |
| if (S.injectedIds.includes(c.id)) extra = 'animation:recPop .5s cubic-bezier(.2,.8,.2,1) both;box-shadow:0 0 0 3px rgba(232,89,12,.18);'; | |
| return `<div title="${esc(c.topic)}" style="height:11px;width:${w}px;border-radius:6px;background:${bg};transition:all .45s cubic-bezier(.2,.8,.2,1);flex:none;${extra}"></div>`; | |
| }).join('') + `</div>`; | |
| } | |
| function diffLabel(card){ | |
| if (!card) return ''; | |
| if (card.diffLabel) return card.diffLabel; | |
| if (card.parent_id) return 'drill'; | |
| return ({1:'easy',2:'medium',3:'hard'})[card.difficulty] || 'medium'; | |
| } | |
| function sourceLabel(card){ | |
| if (!card) return ''; | |
| return (card.parent_id ? 'Follow-up · ' : 'Notes · ') + card.topic; | |
| } | |
| /* ---------- screens ---------- */ | |
| function renderUpload(){ | |
| const errBlock = S.uploadError ? ` | |
| <div style="margin-top:15px;display:flex;gap:11px;align-items:flex-start;background:#fdeee2;border:1px solid #f6c9aa;border-radius:14px;padding:13px 15px;animation:recRise .25s ease both"> | |
| <span style="flex:none;width:20px;height:20px;border-radius:99px;background:#e8590c;color:#fff;font-weight:800;font-size:13px;display:flex;align-items:center;justify-content:center;margin-top:1px">!</span> | |
| <span style="font-size:14px;color:#9a3a06;line-height:1.5">${esc(S.uploadError)}</span> | |
| </div>` : ''; | |
| const paste = ` | |
| <textarea id="pasteInput" oninput="S.pasteText=this.value" placeholder="Paste your lecture notes, a chapter, anything you want to be quizzed on…" class="ta" style="min-height:158px;padding:15px 17px"></textarea> | |
| <div style="margin-top:13px;display:flex;gap:10px;align-items:center;flex-wrap:wrap"> | |
| <button class="chip-sample" onclick="loadSample()" style="appearance:none;border:1px solid #e7e3d9;background:#fff;cursor:pointer;font-family:'Spline Sans Mono',monospace;font-size:12px;color:#6f6d61;padding:8px 13px;border-radius:99px">↺ Paste sample notes</button> | |
| <span style="font-family:'Spline Sans Mono',monospace;font-size:11px;color:#9a9789">Biology · Photosynthesis & respiration</span> | |
| </div>`; | |
| const filePill = S.fileName ? ` | |
| <div style="margin-top:18px;display:inline-flex;align-items:center;gap:10px;background:#eceefc;border:1px solid #c9d0fb;padding:9px 14px;border-radius:99px"> | |
| <span style="font-size:13px;font-weight:700;color:#2b3da8">${esc(S.fileName)}</span> | |
| <button onclick="clearFile()" style="appearance:none;border:none;background:transparent;cursor:pointer;color:#6f6d61;font-size:15px;line-height:1;padding:0">✕</button> | |
| </div>` : ''; | |
| const upload = ` | |
| <div onclick="if(!S.sample&&!S.fileName)document.getElementById('fileInput').click()" style="border:1.5px dashed #cfcabb;border-radius:18px;padding:28px 22px;text-align:center;background:#faf9f6;cursor:pointer"> | |
| <div style="font-family:'Spline Sans Mono',monospace;font-size:12px;color:#9a9789;letter-spacing:.04em">DROP A PDF HERE — OR TRY A SAMPLE</div> | |
| <div style="display:flex;gap:10px;justify-content:center;margin-top:16px;flex-wrap:wrap"> | |
| <span class="scan-prev"> | |
| <button class="pick" onclick="event.stopPropagation();pickBio()" style="display:flex;align-items:center;gap:9px;appearance:none;border:1px solid #e7e3d9;background:#fff;cursor:pointer;padding:9px 13px;border-radius:12px"> | |
| <span style="font-family:'Spline Sans Mono',monospace;font-size:9px;font-weight:500;color:#fff;background:#3b5bdb;padding:3px 5px;border-radius:4px;letter-spacing:.04em">PDF</span> | |
| <span style="font-size:13px;font-weight:600;color:#17160f">biology-notes.pdf</span> | |
| </button> | |
| <span class="scan-prev-pop" aria-hidden="true"> | |
| <span class="scan-prev-text">Photosynthesis happens in the chloroplast. The light-dependent reactions occur in the thylakoid membranes, where water is split, ATP and NADPH are produced, and oxygen is released. The Calvin cycle takes place in the stroma, where the enzyme RuBisCO fixes CO2 onto RuBP. Cellular respiration occurs in the mitochondria; most ATP is made during oxidative phosphorylation.</span> | |
| <span class="scan-prev-cap">plain-text notes · chunked into a deck</span> | |
| </span> | |
| </span> | |
| <span class="scan-prev"> | |
| <button class="pick" onclick="event.stopPropagation();pickScan()" style="display:flex;align-items:center;gap:9px;appearance:none;border:1px solid #e7e3d9;background:#fff;cursor:pointer;padding:9px 13px;border-radius:12px"> | |
| <span style="font-family:'Spline Sans Mono',monospace;font-size:9px;font-weight:500;color:#fff;background:#3b5bdb;padding:3px 5px;border-radius:4px;letter-spacing:.04em">IMG</span> | |
| <span style="font-size:13px;font-weight:600;color:#17160f">scanned-slides.pdf</span> | |
| </button> | |
| <span class="scan-prev-pop" aria-hidden="true"> | |
| <img src="/api/sample/scan.png" alt="Preview of the synthetic scanned slide" loading="lazy"> | |
| <span class="scan-prev-cap">synthetic image · no text layer → OCR'd by the vision model</span> | |
| </span> | |
| </span> | |
| </div> | |
| ${filePill} | |
| </div>`; | |
| const overlay = S.generating ? ` | |
| <div style="position:absolute;inset:0;border-radius:26px;background:rgba(255,255,255,.94);backdrop-filter:blur(3px);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:24px"> | |
| <div style="width:66px;height:66px;animation:recBob 1.5s ease-in-out infinite">${mascot('thinking')}</div> | |
| <div style="font-family:'Bricolage Grotesque',sans-serif;font-weight:700;font-size:21px">Reading your notes…</div> | |
| <div style="font-family:'Spline Sans Mono',monospace;font-size:12px;color:#9a9789">pulling out concepts · writing your deck</div> | |
| <div style="display:flex;flex-direction:column;gap:9px;width:min(360px,76%);margin-top:8px"> | |
| ${[100,86,64].map(w=>`<div style="height:11px;border-radius:6px;width:${w}%;background:linear-gradient(90deg,#efece4 25%,#e1dccf 37%,#efece4 63%);background-size:400px 100%;animation:recShimmer 1.3s linear infinite"></div>`).join('')} | |
| </div> | |
| </div>` : ''; | |
| return ` | |
| <div style="max-width:940px;margin:0 auto;padding:46px 24px 90px"> | |
| <div style="display:flex;align-items:center;gap:13px;margin-bottom:46px"> | |
| <div style="width:46px;height:46px;animation:recBob 4s ease-in-out infinite">${mascot('idle')}</div> | |
| <div style="display:flex;flex-direction:column;line-height:1"> | |
| <span style="font-family:'Bricolage Grotesque',sans-serif;font-weight:800;font-size:25px;letter-spacing:-.025em">Recall</span> | |
| <span style="font-family:'Spline Sans Mono',monospace;font-size:11px;color:#6f6d61;letter-spacing:.12em;margin-top:5px">AI STUDY PARTNER</span> | |
| </div> | |
| </div> | |
| <h1 style="font-family:'Bricolage Grotesque',sans-serif;font-weight:800;font-size:clamp(34px,5.6vw,58px);line-height:1.06;letter-spacing:-.035em;margin:0 0 20px;max-width:16ch;text-wrap:balance">Turn your notes into a quiz that fights back.</h1> | |
| <p style="font-size:18px;line-height:1.55;color:#6f6d61;max-width:48ch;margin:0 0 34px">Drop in a PDF or paste your notes. Recall builds a deck, grades your free-text answers, and the moment you slip it spins up new questions to drill exactly what you missed.</p> | |
| <div style="background:#fff;border:1px solid #e7e3d9;border-radius:26px;box-shadow:0 1px 2px rgba(20,18,10,.04),0 22px 48px -24px rgba(20,18,10,.22);position:relative"> | |
| <div style="display:flex;gap:6px;padding:16px 18px 0;border-bottom:1px solid #f0ede5"> | |
| <button class="tab ${S.mode==='paste'?'active':''}" onclick="setMode('paste')">Paste notes</button> | |
| <button class="tab ${S.mode==='upload'?'active':''}" onclick="setMode('upload')">Upload PDF</button> | |
| </div> | |
| <div style="padding:20px 22px 22px"> | |
| ${S.mode==='paste'?paste:upload} | |
| ${errBlock} | |
| <div style="display:flex;align-items:center;justify-content:space-between;margin-top:22px;gap:16px;flex-wrap:wrap"> | |
| <span style="font-family:'Spline Sans Mono',monospace;font-size:11px;color:#9a9789;letter-spacing:.03em">12 questions · ~5 min · free-text</span> | |
| <button class="btn-primary" onclick="generate()" style="font-size:16px;padding:14px 24px">Generate quiz deck →</button> | |
| </div> | |
| </div> | |
| ${overlay} | |
| </div> | |
| </div>`; | |
| } | |
| function renderStudy(){ | |
| const card = S.card || { topic:'', difficulty:2, question:'', id:'' }; | |
| const v = S.view || { posDisplay:1, total:1, streak:0 }; | |
| const moodHead = S.phase === 'grading' ? 'thinking' : 'idle'; | |
| let body = ''; | |
| if (S.phase === 'answering'){ | |
| body = ` | |
| <div style="margin-top:24px"> | |
| <textarea id="answerInput" oninput="S.answer=this.value" placeholder="Type your answer in your own words…" class="ta" style="min-height:104px;padding:14px 16px;font-size:16px"></textarea> | |
| <div style="display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:16px;flex-wrap:wrap"> | |
| <div style="display:flex;align-items:center;gap:8px"> | |
| <span style="font-family:'Spline Sans Mono',monospace;font-size:10px;color:#9a9789;letter-spacing:.06em">DIFFICULTY</span> | |
| <button class="diff-easier" onclick="regen('easier')" style="appearance:none;border:1px solid #d8d3c7;background:#fff;cursor:pointer;font-size:13px;font-weight:600;color:#3d3b33;padding:7px 13px;border-radius:99px">↓ Easier</button> | |
| <button class="diff-harder" onclick="regen('harder')" style="appearance:none;border:1px solid #d8d3c7;background:#fff;cursor:pointer;font-size:13px;font-weight:600;color:#3d3b33;padding:7px 13px;border-radius:99px">↑ Harder</button> | |
| </div> | |
| <div style="display:flex;align-items:center;gap:14px"> | |
| <span style="font-family:'Spline Sans Mono',monospace;font-size:11px;color:#9a9789">↵ to submit</span> | |
| <button class="btn-primary" onclick="submit()" style="font-size:15px;padding:12px 22px;border-radius:13px">Check answer</button> | |
| </div> | |
| </div> | |
| </div>`; | |
| } else if (S.phase === 'grading'){ | |
| body = ` | |
| <div style="margin-top:24px;display:flex;align-items:center;gap:16px;background:#faf9f6;border:1px solid #e7e3d9;border-radius:16px;padding:18px 20px"> | |
| <div style="width:46px;height:46px;animation:recBob 1.4s ease-in-out infinite">${mascot('thinking')}</div> | |
| <div> | |
| <div style="font-family:'Bricolage Grotesque',sans-serif;font-weight:700;font-size:17px">Grading your answer…</div> | |
| <div style="font-family:'Spline Sans Mono',monospace;font-size:11px;color:#9a9789;margin-top:2px">comparing to the source · scoring 0–5</div> | |
| </div> | |
| <div style="margin-left:auto;display:flex;gap:5px"> | |
| ${[0,.15,.3].map(d=>`<div style="width:7px;height:7px;border-radius:99px;background:#3b5bdb;animation:recDot 1s ease-in-out ${d}s infinite"></div>`).join('')} | |
| </div> | |
| </div>`; | |
| } else { // graded | |
| const r = S.result; | |
| const mood = r && r.correct ? 'happy' : 'oops'; | |
| const panel = r && r.correct ? ` | |
| <div style="margin-top:18px;background:#e6f5ec;border:1px solid #b7e3c8;border-radius:18px;padding:20px 22px;display:flex;gap:16px"> | |
| <div style="width:52px;height:52px;flex:none">${mascot(mood)}</div> | |
| <div style="flex:1"> | |
| <div style="display:flex;align-items:center;gap:12px;flex-wrap:wrap"> | |
| <span style="font-family:'Bricolage Grotesque',sans-serif;font-weight:800;font-size:18px;color:#1f8a5b">Correct!</span> | |
| <div>${scoreDots(r)}</div> | |
| <span style="font-family:'Spline Sans Mono',monospace;font-size:10px;color:#6f6d61">SCORE ${r.score}/5</span> | |
| </div> | |
| <p style="font-size:15px;line-height:1.55;color:#2f3a33;margin:10px 0 0">${esc(r.explanation)}</p> | |
| <div style="margin-top:12px;display:flex;align-items:center;gap:8px"> | |
| <div style="width:18px;height:18px">${flame()}</div> | |
| <span style="font-size:14px;font-weight:700;color:#c2410c">Streak ${v.streak} — keep it lit.</span> | |
| </div> | |
| </div> | |
| </div>` : ` | |
| <div style="margin-top:18px;background:#fdeee2;border:1px solid #f6c9aa;border-radius:18px;padding:20px 22px;display:flex;gap:16px"> | |
| <div style="width:52px;height:52px;flex:none">${mascot(mood)}</div> | |
| <div style="flex:1"> | |
| <div style="display:flex;align-items:center;gap:12px;flex-wrap:wrap"> | |
| <span style="font-family:'Bricolage Grotesque',sans-serif;font-weight:800;font-size:18px;color:#c2410c">Not quite.</span> | |
| <div>${scoreDots(r)}</div> | |
| <span style="font-family:'Spline Sans Mono',monospace;font-size:10px;color:#6f6d61">SCORE ${r.score}/5</span> | |
| </div> | |
| <p style="font-size:15px;line-height:1.55;color:#5a4334;margin:10px 0 0">${esc(r.explanation)}</p> | |
| <div style="margin-top:14px;background:#fff;border:1px dashed #e8a37a;border-radius:12px;padding:11px 14px"> | |
| <span style="font-family:'Spline Sans Mono',monospace;font-size:10px;color:#c2410c;letter-spacing:.06em">MISSED CONCEPT</span> | |
| <div style="font-family:'Bricolage Grotesque',sans-serif;font-weight:700;font-size:16px;color:#9a3a06;margin-top:3px">${esc(r.missed)}</div> | |
| </div> | |
| </div> | |
| </div>`; | |
| body = ` | |
| <div style="margin-top:22px"> | |
| <div style="font-family:'Spline Sans Mono',monospace;font-size:10px;color:#9a9789;letter-spacing:.08em">YOUR ANSWER</div> | |
| <p style="font-size:16px;line-height:1.5;color:#56544a;margin:6px 0 0">${esc(S.answerShown)}</p> | |
| </div> | |
| ${panel} | |
| <div style="display:flex;justify-content:flex-end;margin-top:22px"> | |
| <button class="btn-dark" onclick="next()" style="font-size:15px;padding:12px 22px">Next card →</button> | |
| </div>`; | |
| } | |
| const banner = S.showBanner ? ` | |
| <div style="margin-top:16px;background:#e8590c;color:#fff;border-radius:18px;padding:17px 22px;display:flex;align-items:center;gap:16px;box-shadow:0 18px 34px -18px rgba(232,89,12,.65);animation:recBanner .45s cubic-bezier(.2,.85,.25,1) both"> | |
| <div style="width:44px;height:44px;flex:none;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.2);border-radius:13px;font-family:'Bricolage Grotesque',sans-serif;font-weight:800;font-size:18px">+${S.injectedIds.length}</div> | |
| <div style="flex:1"> | |
| <div style="font-family:'Spline Sans Mono',monospace;font-size:10px;opacity:.82;letter-spacing:.1em">ADAPTIVE FOLLOW-UP</div> | |
| <div style="font-family:'Bricolage Grotesque',sans-serif;font-weight:700;font-size:18px;line-height:1.28;margin-top:3px">You missed ${esc(S.missed)} → ${S.injectedIds.length} new question${S.injectedIds.length===1?'':'s'} just slid into your deck to drill it.</div> | |
| </div> | |
| </div>` : ''; | |
| const shimmer = S.regenBusy ? `<div style="position:absolute;inset:-8px;border-radius:14px;background:linear-gradient(90deg,rgba(245,243,238,0),rgba(245,243,238,.85) 50%,rgba(245,243,238,0));background-size:300px 100%;animation:recShimmer 1s linear infinite"></div>` : ''; | |
| const cardAnim = S.animateCard ? 'animation:recSlideIn .42s cubic-bezier(.2,.85,.25,1) both;' : ''; | |
| return ` | |
| <div> | |
| <div style="position:sticky;top:0;z-index:5;background:rgba(245,243,238,.86);backdrop-filter:blur(10px);border-bottom:1px solid #e7e3d9"> | |
| <div style="max-width:1080px;margin:0 auto;padding:13px 24px;display:flex;align-items:center;gap:20px"> | |
| <div style="display:flex;align-items:center;gap:12px"> | |
| <div style="width:36px;height:36px">${mascot(moodHead)}</div> | |
| <div style="display:flex;flex-direction:column;line-height:1.15"> | |
| <span style="font-family:'Bricolage Grotesque',sans-serif;font-weight:800;font-size:16px;letter-spacing:-.02em">Recall</span> | |
| <span style="font-family:'Spline Sans Mono',monospace;font-size:10px;color:#6f6d61;letter-spacing:.08em">CARD ${v.posDisplay} / ${v.total}</span> | |
| </div> | |
| </div> | |
| <div style="margin:0 auto">${masteryBars()}</div> | |
| <div style="display:flex;align-items:center;gap:14px"> | |
| <div style="display:flex;align-items:center;gap:7px;background:#fdeee2;border:1px solid #f6c9aa;padding:7px 13px;border-radius:99px"> | |
| <div style="width:20px;height:20px;animation:recFlick 1.5s ease-in-out infinite">${flame()}</div> | |
| <span style="font-family:'Bricolage Grotesque',sans-serif;font-weight:800;font-size:16px;color:#c2410c">${v.streak}</span> | |
| </div> | |
| <button class="btn-ghost" onclick="finish()" style="font-size:14px;padding:9px 15px">Finish & recap</button> | |
| </div> | |
| </div> | |
| </div> | |
| <div style="max-width:760px;margin:0 auto;padding:38px 24px 64px"> | |
| <div style="background:#fff;border:1px solid #e7e3d9;border-radius:26px;box-shadow:0 1px 2px rgba(20,18,10,.04),0 24px 50px -26px rgba(20,18,10,.2);padding:30px 34px;${cardAnim}"> | |
| <div style="display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px"> | |
| <div style="display:flex;gap:8px;align-items:center;flex-wrap:wrap"> | |
| <span style="font-size:12px;font-weight:700;color:#2b3da8;background:#eceefc;padding:5px 11px;border-radius:99px">${esc(card.topic)}</span> | |
| <span style="font-family:'Spline Sans Mono',monospace;font-size:11px;color:#6f6d61;border:1px solid #e7e3d9;padding:4px 9px;border-radius:99px;text-transform:uppercase;letter-spacing:.04em">${esc(diffLabel(card))}</span> | |
| </div> | |
| <span style="font-family:'Spline Sans Mono',monospace;font-size:11px;color:#9a9789">${esc(sourceLabel(card))}</span> | |
| </div> | |
| <div style="position:relative"> | |
| <p style="font-family:'Bricolage Grotesque',sans-serif;font-weight:600;font-size:clamp(22px,3.5vw,31px);line-height:1.2;letter-spacing:-.012em;margin:0;text-wrap:pretty">${esc(card.question)}</p> | |
| ${shimmer} | |
| </div> | |
| ${body} | |
| </div> | |
| ${banner} | |
| <div style="margin-top:28px"> | |
| <div style="font-family:'Spline Sans Mono',monospace;font-size:10px;color:#9a9789;letter-spacing:.08em;margin-bottom:11px;display:flex;justify-content:space-between"> | |
| <span>YOUR DECK</span><span>${v.posDisplay} / ${v.total}</span> | |
| </div> | |
| ${queueRail()} | |
| </div> | |
| </div> | |
| </div>`; | |
| } | |
| function renderRecap(){ | |
| const stats = (S.view && S.view.topicStats) || {}; | |
| let totalT = 0, totalC = 0; | |
| Object.values(stats).forEach(st => { totalT += st.total; totalC += st.correct; }); | |
| const acc = totalT ? Math.round(totalC/totalT*100) : 0; | |
| // Membership comes from the server recap (average-grade based) so the | |
| // mastered/weak split shown here is exactly what the scheduler resurfaces — | |
| // the % beside each topic is just a display stat from topicStats. | |
| const pctLabel = (t) => { | |
| const st = stats[t]; const pct = st && st.total ? st.correct / st.total : 0; | |
| return Math.round(pct * 100) + '%'; | |
| }; | |
| const mastered = ((S.recap && S.recap.mastered) || []).map(t => ({ topic: t, pctLabel: pctLabel(t) })); | |
| const weak = ((S.recap && S.recap.weak_topics) || []).map(t => ({ topic: t, pctLabel: pctLabel(t) })); | |
| const answered = (S.view && S.view.answered) || 0; | |
| const recapTitle = acc >= 80 ? 'Strong session.' : acc >= 50 ? 'Solid progress.' : 'Good start.'; | |
| const reflection = (S.recap && S.recap.reflection) || | |
| 'You turned shaky topics into targeted drills — spaced repetition will bring the weak ones back first.'; | |
| const masteredBlock = mastered.length ? `<div style="display:grid;gap:9px">` + mastered.map(m => ` | |
| <div style="display:flex;align-items:center;gap:12px;background:#e6f5ec;border:1px solid #cdeada;border-radius:13px;padding:11px 15px"> | |
| <span style="width:18px;height:18px;border-radius:99px;background:#1f8a5b;color:#fff;font-size:11px;font-weight:800;display:flex;align-items:center;justify-content:center;flex:none">✓</span> | |
| <span style="font-weight:700;font-size:15px;flex:1">${esc(m.topic)}</span> | |
| <span style="font-family:'Spline Sans Mono',monospace;font-size:12px;color:#1f8a5b">${m.pctLabel}</span> | |
| </div>`).join('') + `</div>` | |
| : `<p style="font-size:14px;color:#9a9789;margin:0">Nothing fully locked in yet — another pass and these will turn green.</p>`; | |
| const weakBlock = weak.length ? `<div style="display:grid;gap:9px">` + weak.map(w => ` | |
| <div style="display:flex;align-items:center;gap:12px;background:#fdeee2;border:1px solid #f6d2b5;border-radius:13px;padding:11px 15px"> | |
| <span style="width:18px;height:18px;border-radius:99px;background:#e8590c;color:#fff;font-size:11px;font-weight:800;display:flex;align-items:center;justify-content:center;flex:none">↑</span> | |
| <span style="font-weight:700;font-size:15px;flex:1">${esc(w.topic)}</span> | |
| <span style="font-family:'Spline Sans Mono',monospace;font-size:12px;color:#c2410c">${w.pctLabel}</span> | |
| </div>`).join('') + `</div>` | |
| : `<p style="font-size:14px;color:#9a9789;margin:0">Clean sweep — no weak topics this round. 🔥-worthy.</p>`; | |
| return ` | |
| <div style="max-width:720px;margin:0 auto;padding:54px 24px 90px;text-align:center"> | |
| <div style="width:112px;height:112px;margin:0 auto 6px;animation:recBob 3.6s ease-in-out infinite">${mascot('celebrate')}</div> | |
| <div style="font-family:'Spline Sans Mono',monospace;font-size:11px;color:#9a9789;letter-spacing:.14em">SESSION RECAP</div> | |
| <h1 style="font-family:'Bricolage Grotesque',sans-serif;font-weight:800;font-size:clamp(32px,6.4vw,50px);letter-spacing:-.035em;margin:8px 0 8px">${recapTitle}</h1> | |
| <p style="font-size:18px;color:#6f6d61;max-width:44ch;margin:0 auto 30px;line-height:1.5;text-wrap:pretty">${esc(reflection)}</p> | |
| <div style="display:flex;gap:13px;justify-content:center;flex-wrap:wrap;margin-bottom:36px"> | |
| <div style="background:#fff;border:1px solid #e7e3d9;border-radius:18px;padding:18px 26px;min-width:132px"> | |
| <div style="display:flex;align-items:center;justify-content:center;gap:6px"><div style="width:24px;height:24px">${flame()}</div><span style="font-family:'Bricolage Grotesque',sans-serif;font-weight:800;font-size:34px;color:#c2410c">${S.best}</span></div> | |
| <div style="font-family:'Spline Sans Mono',monospace;font-size:10px;color:#9a9789;letter-spacing:.06em;margin-top:4px">BEST STREAK</div> | |
| </div> | |
| <div style="background:#fff;border:1px solid #e7e3d9;border-radius:18px;padding:18px 26px;min-width:132px"> | |
| <div style="font-family:'Bricolage Grotesque',sans-serif;font-weight:800;font-size:38px">${acc}%</div> | |
| <div style="font-family:'Spline Sans Mono',monospace;font-size:10px;color:#9a9789;letter-spacing:.06em;margin-top:4px">ACCURACY</div> | |
| </div> | |
| <div style="background:#fff;border:1px solid #e7e3d9;border-radius:18px;padding:18px 26px;min-width:132px"> | |
| <div style="font-family:'Bricolage Grotesque',sans-serif;font-weight:800;font-size:38px">${answered}</div> | |
| <div style="font-family:'Spline Sans Mono',monospace;font-size:10px;color:#9a9789;letter-spacing:.06em;margin-top:4px">CARDS ANSWERED</div> | |
| </div> | |
| </div> | |
| <div style="text-align:left;display:grid;gap:16px"> | |
| <div style="background:#fff;border:1px solid #e7e3d9;border-radius:20px;padding:20px 22px"> | |
| <div style="display:flex;align-items:center;gap:9px;margin-bottom:14px"> | |
| <span style="width:22px;height:22px;border-radius:99px;background:#1f8a5b;color:#fff;font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center">✓</span> | |
| <span style="font-family:'Bricolage Grotesque',sans-serif;font-weight:700;font-size:17px">Mastered <span style="color:#6f6d61;font-weight:500">· ${mastered.length}</span></span> | |
| </div> | |
| ${masteredBlock} | |
| </div> | |
| <div style="background:#fff;border:1px solid #e7e3d9;border-radius:20px;padding:20px 22px"> | |
| <div style="display:flex;align-items:center;gap:9px;margin-bottom:6px"> | |
| <span style="width:22px;height:22px;border-radius:99px;background:#e8590c;color:#fff;font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center">↑</span> | |
| <span style="font-family:'Bricolage Grotesque',sans-serif;font-weight:700;font-size:17px">Coming back sooner <span style="color:#6f6d61;font-weight:500">· ${weak.length}</span></span> | |
| </div> | |
| <p style="font-size:12px;color:#9a9789;margin:0 0 14px;font-family:'Spline Sans Mono',monospace;letter-spacing:.02em">spaced repetition will resurface these first</p> | |
| ${weakBlock} | |
| </div> | |
| </div> | |
| <div style="display:flex;gap:12px;justify-content:center;margin-top:34px;flex-wrap:wrap"> | |
| <button class="btn-primary" onclick="restart()" style="font-size:16px;padding:14px 24px">Study this deck again</button> | |
| <button class="btn-ghost" onclick="newMaterial()" style="font-size:16px;padding:14px 22px;border-radius:14px">New material</button> | |
| </div> | |
| </div>`; | |
| } | |
| /* ---------- render + state plumbing ---------- */ | |
| function esc(s){ return String(s==null?'':s).replace(/[&<>"]/g, c => ({'&':'&','<':'<','>':'>','"':'"'}[c])); } | |
| function render(){ | |
| const root = document.getElementById('app'); | |
| if (S.screen === 'upload') root.innerHTML = renderUpload(); | |
| else if (S.screen === 'study') root.innerHTML = renderStudy(); | |
| else root.innerHTML = renderRecap(); | |
| // restore uncontrolled input values | |
| const p = document.getElementById('pasteInput'); if (p) p.value = S.pasteText; | |
| const a = document.getElementById('answerInput'); | |
| if (a){ a.value = S.answer; a.addEventListener('keydown', onAnswerKey); a.focus(); } | |
| S.animateCard = false; | |
| } | |
| function onAnswerKey(e){ if (e.key === 'Enter' && !e.shiftKey){ e.preventDefault(); submit(); } } | |
| async function postJSON(url, body){ | |
| const r = await fetch(url, { method:'POST', headers:{'Content-Type':'application/json'}, body: JSON.stringify(body) }); | |
| return r.json(); | |
| } | |
| /* ---------- upload actions ---------- */ | |
| function setMode(m){ S.mode = m; S.uploadError = ''; render(); } | |
| function loadSample(){ S.pasteText = SAMPLE; S.mode = 'paste'; S.uploadError = ''; render(); } | |
| function pickBio(){ S.sample = 'bio'; S.fileName = 'biology-notes.pdf'; selectedFile = null; S.uploadError = ''; render(); } | |
| function pickScan(){ S.sample = 'scan'; S.fileName = 'scanned-slides.pdf'; selectedFile = null; S.uploadError = ''; render(); } | |
| function clearFile(){ S.fileName = ''; S.sample = ''; selectedFile = null; S.uploadError = ''; render(); } | |
| document.getElementById('fileInput').addEventListener('change', (e) => { | |
| const f = e.target.files[0]; if (!f) return; | |
| selectedFile = f; S.fileName = f.name; S.sample = ''; S.mode = 'upload'; S.uploadError = ''; render(); | |
| }); | |
| const SAMPLE = 'Photosynthesis happens in the chloroplast. The light-dependent reactions occur in the thylakoid membranes, where water is split, ATP and NADPH are produced, and oxygen is released. The Calvin cycle takes place in the stroma, where the enzyme RuBisCO fixes CO2 onto RuBP. Cellular respiration occurs in the mitochondria; most ATP is made during oxidative phosphorylation, as the electron transport chain pumps protons and oxygen acts as the final electron acceptor, forming water.'; | |
| async function generate(){ | |
| if (S.generating) return; | |
| S.uploadError = ''; | |
| if (S.mode === 'paste') S.pasteText = (document.getElementById('pasteInput')||{}).value || S.pasteText; | |
| S.generating = true; render(); | |
| const fd = new FormData(); | |
| if (S.mode === 'paste') fd.append('text', S.pasteText || ''); | |
| else { if (S.sample) fd.append('sample', S.sample); else if (selectedFile) fd.append('file', selectedFile); } | |
| try { | |
| const r = await fetch('/api/generate', { method:'POST', body: fd }); | |
| const d = await r.json(); | |
| if (d.error){ S.generating = false; S.uploadError = d.error; render(); return; } | |
| S.sid = d.sid; S.card = d.card; S.view = d.view; | |
| S.screen = 'study'; S.phase = 'answering'; S.answer = ''; S.result = null; | |
| S.best = 0; S.showBanner = false; S.injectedIds = []; S.generating = false; | |
| S.animateCard = true; render(); | |
| } catch (e){ S.generating = false; S.uploadError = 'Something went wrong reaching the server. Try again.'; render(); } | |
| } | |
| /* ---------- study actions ---------- */ | |
| async function submit(){ | |
| if (S.phase !== 'answering') return; | |
| S.answer = (document.getElementById('answerInput')||{}).value || ''; | |
| S.phase = 'grading'; render(); | |
| const d = await postJSON('/api/grade', { sid: S.sid, answer: S.answer }); | |
| if (d.error){ S.phase = 'answering'; render(); return; } | |
| S.result = d.grade; S.view = d.view; | |
| S.answerShown = S.answer.trim() ? S.answer : '(left blank)'; | |
| S.best = Math.max(S.best, d.view.streak); | |
| S.injectedIds = []; S.showBanner = false; S.phase = 'graded'; | |
| render(); | |
| // The adaptive follow-up lands a beat after the verdict — the hero moment. | |
| if (!d.grade.correct && d.injectedIds && d.injectedIds.length){ | |
| setTimeout(() => { S.missed = d.grade.missed; S.injectedIds = d.injectedIds; S.showBanner = true; render(); }, 600); | |
| } | |
| } | |
| async function regen(dir){ | |
| if (S.regenBusy || S.phase !== 'answering') return; | |
| S.answer = (document.getElementById('answerInput')||{}).value || S.answer; | |
| S.regenBusy = true; render(); | |
| const d = await postJSON('/api/regenerate', { sid: S.sid, direction: dir }); | |
| if (d.card){ S.card = d.card; S.view = d.view; } | |
| S.regenBusy = false; render(); | |
| } | |
| async function next(){ | |
| const d = await postJSON('/api/next', { sid: S.sid }); | |
| if (!d.card){ finish(); return; } | |
| S.card = d.card; S.view = d.view; S.phase = 'answering'; | |
| S.answer = ''; S.result = null; S.showBanner = false; S.injectedIds = []; | |
| S.animateCard = true; render(); | |
| } | |
| async function finish(){ | |
| const d = await postJSON('/api/recap', { sid: S.sid }); | |
| S.recap = d.recap; S.view = d.view; S.screen = 'recap'; render(); | |
| } | |
| async function restart(){ | |
| const d = await postJSON('/api/restart', { sid: S.sid }); | |
| S.card = d.card; S.view = d.view; S.screen = 'study'; S.phase = 'answering'; | |
| S.answer = ''; S.result = null; S.best = 0; S.showBanner = false; S.injectedIds = []; | |
| S.animateCard = true; render(); | |
| } | |
| function newMaterial(){ | |
| S.screen = 'upload'; S.mode = 'paste'; S.pasteText = ''; S.fileName = ''; S.sample = ''; | |
| selectedFile = null; S.uploadError = ''; S.card = null; S.view = null; S.sid = null; | |
| render(); | |
| } | |
| // graded → Enter / ArrowRight advances (keyboard-friendly) | |
| window.addEventListener('keydown', (e) => { | |
| if (S.screen === 'study' && S.phase === 'graded' && (e.key === 'Enter' || e.key === 'ArrowRight')){ | |
| e.preventDefault(); next(); | |
| } | |
| }); | |
| render(); | |
| </script> | |
| </body> | |
| </html> | |