:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#18211f;background:#f7f8f5;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input,textarea{font:inherit}button{cursor:pointer}.loading{min-height:100vh;display:grid;place-items:center;color:#60706b}.login{min-height:100vh;display:grid;grid-template-columns:minmax(320px,.86fr) 1.14fr;background:#10221e;color:#f5fbf4}.loginCopy{padding:clamp(36px,7vw,92px);display:flex;flex-direction:column;justify-content:center;max-width:680px}.mark{width:52px;height:52px;display:grid;place-items:center;background:#d6ff64;color:#10221e;border-radius:8px;margin-bottom:34px}.login h1{font-size:clamp(48px,8vw,104px);line-height:.92;margin:0 0 24px;letter-spacing:0}.login p{font-size:19px;line-height:1.55;color:#cfddd7;max-width:520px}.primaryAction{display:inline-flex;align-items:center;justify-content:center;width:fit-content;min-height:44px;padding:0 18px;border:0;border-radius:7px;background:#d6ff64;color:#13201e;text-decoration:none;font-weight:700}.primaryAction.compact{min-height:38px;font-size:14px}.loginVisual{position:relative;overflow:hidden;background:radial-gradient(circle at 66% 24%,rgba(214,255,100,.2),transparent 28%),linear-gradient(145deg,#213b33,#0d1716 72%)}.loginVisual svg{position:absolute;top:11%;right:7%;bottom:11%;left:7%;width:86%;height:78%}.loginVisual path{fill:none;stroke:#d6ff645c;stroke-width:3}.node{position:absolute;z-index:1;width:116px;height:116px;display:grid;place-items:center;border:1px solid rgba(245,251,244,.2);border-radius:50%;color:#f5fbf4;background:#142c26db;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);animation:float 7s ease-in-out infinite}.n1{left:14%;top:20%}.n2{right:20%;top:26%;animation-delay:-1s}.n3{left:24%;bottom:24%;animation-delay:-2s}.n4{right:14%;bottom:18%;animation-delay:-3s}@keyframes float{50%{transform:translateY(-12px)}}.app{min-height:100vh;display:grid;grid-template-columns:244px 1fr}.sidebar{background:#18211f;color:#f4f8f2;padding:18px;display:flex;flex-direction:column;gap:24px}.brand{display:flex;align-items:center;gap:10px;font-weight:800}nav{display:grid;gap:4px}nav button,.profile button,.actions button{border:0;background:transparent;color:inherit}nav button{display:flex;align-items:center;gap:10px;color:#b9c8c2;padding:10px 12px;border-radius:7px;text-align:left}nav button.active,nav button:hover{background:#273631;color:#fff}.profile{margin-top:auto;display:flex;align-items:center;gap:10px;border-top:1px solid rgba(255,255,255,.1);padding-top:16px;font-size:13px;color:#b9c8c2}.workspace{padding:30px;overflow:auto}.page header{display:flex;justify-content:space-between;align-items:end;gap:24px;border-bottom:1px solid #dfe5dc;padding-bottom:18px;margin-bottom:22px}h2{font-size:30px;margin:0}h3{margin:0 0 12px}.page header p{margin:0;color:#65736f}.sourceGrid,.graphLayout,.adminGrid{display:grid;grid-template-columns:minmax(320px,.82fr) 1.18fr;gap:22px}.inputPanel,.listPanel,.questionPane,.inspector,.panel,.empty{background:#fff;border:1px solid #dde4dc;border-radius:8px;padding:18px}label{display:grid;gap:7px;font-size:13px;color:#586863;margin-bottom:14px}input,textarea{border:1px solid #cfd8d1;border-radius:7px;padding:10px 11px;color:#18211f;background:#fbfcfa}textarea{min-height:120px;resize:vertical}.answerBox{width:100%;min-height:160px;margin:14px 0}.row{display:flex;gap:10px;align-items:flex-start;padding:12px 0;border-bottom:1px solid #eef1ed}.row>div{flex:1}.row strong{display:block;font-size:14px}.row small{color:#697873;line-height:1.4}.rowAction{border:1px solid #cfd8d1;background:#fff;border-radius:7px;padding:6px 9px;color:#263330;font-size:12px}.dot{width:9px;height:9px;border-radius:50%;margin-top:5px;background:#90a09a;flex:0 0 auto}.dot.complete,.dot.success{background:#34855d}.dot.failed{background:#b34848}.dot.processing,.dot.queued{background:#d09b2a}.statusLine,.fileLine{color:#55655f}.error{color:#9d2929}.activityPanel{margin-top:18px;border-top:1px solid #eef1ed;padding-top:14px}.activityItem{display:grid;grid-template-columns:24px 1fr;gap:10px;padding:10px 0}.activityItem small{display:block;color:#697873;margin-top:2px}.activityItem ol{margin:8px 0 0;padding-left:18px;color:#60706b;font-size:13px;line-height:1.5}.spinner{width:18px;height:18px;margin-top:2px;border-radius:50%;border:2px solid #dfe5dc;border-top-color:#78982c;animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.questionPane{max-width:860px}.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:12px;color:#60706b}.choices{display:grid;gap:10px;margin:16px 0}.choices label{display:grid;grid-template-columns:20px 28px 1fr;align-items:start;margin:0;color:#263330;border:1px solid #dfe5dc;border-radius:8px;padding:12px;background:#fbfcfa}.choices label.selected{border-color:#78982c;background:#f2f8df}.actions{display:flex;gap:10px;align-items:center}.actions button:not(.primaryAction){min-height:38px;padding:0 14px;border:1px solid #cfd8d1;border-radius:7px;color:#263330}.feedback{margin-top:16px;padding:14px;border-radius:8px}.feedback.good{background:#eaf6ee;color:#174a2c}.feedback.needsWork{background:#fff2df;color:#684100}.graphCanvas{width:100%;min-height:520px;background:#fff;border:1px solid #dde4dc;border-radius:8px}.graphCanvas line{stroke:#bcc8c2;stroke-width:2}.graphNode{cursor:pointer}.graphNode circle{fill:#eef1ed;stroke:#aab8b2;stroke-width:2}.graphNode text{text-anchor:middle;font-size:11px;fill:#18211f;pointer-events:none}.graphNode.mastered circle{fill:#ccebd6;stroke:#34855d}.graphNode.learning circle{fill:#e9f0ff;stroke:#4c6fb2}.graphNode.review_due circle{fill:#fff1cc;stroke:#c48818}.graphNode.blocked circle{fill:#f3d3d3;stroke:#b34848}.badge{display:inline-flex;padding:4px 8px;border-radius:999px;background:#eef1ed;font-size:12px;margin-bottom:12px}.badge.mastered{background:#ccebd6}.badge.learning{background:#e9f0ff}.badge.review_due{background:#fff1cc}dl{display:grid;grid-template-columns:1fr 1fr;gap:10px}dt{color:#65736f}dd{margin:0;font-weight:700}.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:22px}.metrics div{border-bottom:2px solid #d6ff64;background:#fff;padding:16px;border-radius:8px}.metrics strong{display:block;font-size:30px}.metrics span{color:#65736f}.wide{max-width:920px}.adminGrid{grid-template-columns:repeat(2,minmax(280px,1fr))}.adminGrid .panel:last-child{grid-column:1 / -1}.adminActions{display:flex;flex-wrap:wrap;gap:10px}.adminActions button{min-height:38px;border:1px solid #cfd8d1;border-radius:7px;background:#fff;color:#263330;padding:0 12px}.adminActions .dangerAction{border-color:#d9b6b6;background:#fff6f6;color:#8b3333}.tableWrap{overflow-x:auto}.dataTable{width:100%;border-collapse:collapse;min-width:760px;font-size:13px}.dataTable th,.dataTable td{border-bottom:1px solid #eef1ed;padding:10px 8px;text-align:left;vertical-align:top}.dataTable th{color:#60706b;font-weight:700;background:#fbfcfa}.statusPill{display:inline-flex;align-items:center;min-height:22px;padding:2px 8px;border-radius:999px;background:#eef1ed;color:#263330;font-size:12px}.statusPill.success{background:#e0f3e7;color:#174a2c}.statusPill.failed{background:#f6dfdf;color:#7e2424}.statusPill.mock{background:#fff1cc;color:#684100}.errorCell{max-width:360px;color:#8b3333;white-space:normal}@media(max-width:860px){.login,.app,.sourceGrid,.graphLayout,.adminGrid{grid-template-columns:1fr}.loginVisual{min-height:360px}.sidebar{position:static}.workspace{padding:18px}.page header{display:block}}