:root{--bg: #F6F6FC;--panel: #FFFFFF;--line: #ECECF6;--ink: #24242F;--muted: #8888A2;--accent: #7B86F5;--accent-weak: #EAEDFF;--good: #2f9e78;--bad: #FF7A6B;--inset: #F5F5FB;--shadow: 0 10px 26px rgba(80, 84, 160, .07)}*{box-sizing:border-box}body{margin:0;font-family:Plus Jakarta Sans,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.5;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{color:#5b67e6}.topbar{display:flex;align-items:center;gap:12px;padding:14px 22px;background:var(--panel);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font-family:Sora,system-ui,sans-serif;font-weight:700;font-size:19px;letter-spacing:-.02em}.spacer{flex:1}.who{color:var(--muted);font-size:13px}.container{max-width:1000px;margin:0 auto;padding:24px 20px}.stack{display:flex;flex-direction:column;gap:16px}.card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:var(--shadow)}.card.narrow{max-width:420px;margin:44px auto}h1{font-family:Sora,system-ui,sans-serif;font-size:22px;font-weight:700;letter-spacing:-.02em;margin:0 0 4px}h2{font-family:Sora,system-ui,sans-serif;font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:600;margin:0 0 12px}h3{font-family:Sora,system-ui,sans-serif;margin:0}form{display:flex;flex-direction:column;gap:12px}form.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}label{display:flex;flex-direction:column;gap:5px;font-size:13px;color:var(--muted);font-weight:500}input,select,textarea{background:#fff;border:1px solid var(--line);color:var(--ink);border-radius:10px;padding:10px 11px;font:inherit;transition:border-color .15s,box-shadow .15s}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-weak)}textarea{resize:vertical}button{font-family:Plus Jakarta Sans,system-ui,sans-serif;background:var(--accent);color:#fff;border:0;border-radius:11px;padding:10px 16px;font-size:14px;font-weight:600;cursor:pointer;box-shadow:0 8px 18px #7b86f547;transition:transform .06s,box-shadow .15s,background .15s}button:hover{background:#6b77f0}button:active{transform:translateY(1px)}button:disabled{opacity:.5;cursor:default;box-shadow:none}button.ghost{background:#fff;border:1px solid var(--line);color:var(--ink);box-shadow:none}button.ghost:hover{background:var(--inset)}.span2{grid-column:1 / -1}label.check{flex-direction:row;align-items:center;gap:8px}label.check input{width:auto}.small{font-size:12px}code{background:var(--inset);padding:1px 6px;border-radius:5px;word-break:break-all;color:#5b5b74}.builder{border:1px solid var(--line);border-radius:14px;padding:14px;display:flex;flex-direction:column;gap:10px;background:var(--inset)}.builder-row{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap}.builder-row label{flex:1;min-width:120px}.builder-row button{white-space:nowrap}ul.specs{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}ul.specs li{display:flex;justify-content:space-between;align-items:center;background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-size:14px}button.link{background:none;border:0;color:var(--bad);cursor:pointer;padding:0;font-size:13px;box-shadow:none;font-weight:600}button.link:hover{background:none;text-decoration:underline}button.danger{background:var(--bad);color:#fff;border:0;border-radius:9px;padding:5px 12px;font-size:13px;cursor:pointer;box-shadow:none}button.danger:hover{background:#f2695a}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.good{color:var(--good)}.error{color:var(--bad);font-size:13px;font-weight:500}.muted{color:var(--muted)}.lang{padding:7px 10px}.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.tile{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px;text-align:center;box-shadow:var(--shadow)}.tile-n{font-family:Sora,system-ui,sans-serif;font-size:26px;font-weight:700}.tile-l{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin-top:4px}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:11px 10px;border-bottom:1px solid var(--line)}th{color:var(--muted);font-weight:600;font-size:11.5px;text-transform:uppercase;letter-spacing:.04em}tr:last-child td{border-bottom:0}.proc-label{font-size:13px;color:var(--ink);margin:0 0 8px}.progress{height:8px;background:#edeef6;border:1px solid var(--line);border-radius:999px;overflow:hidden;position:relative}.progress>span{position:absolute;top:0;left:-40%;width:40%;height:100%;border-radius:999px;background:linear-gradient(90deg,#9aa4ff,#7b86f5);animation:prog 1.15s ease-in-out infinite}.progress.review>span{background:#c7c7d8;animation-duration:1.8s}@keyframes prog{0%{left:-40%}to{left:100%}}.rec-wrap{display:flex;flex-direction:column;align-items:center;gap:10px;margin:6px 0}.rec-btn{--level: 0;width:84px;height:84px;border-radius:50%;border:0;padding:0;cursor:pointer;display:grid;place-items:center;background:var(--accent);color:#fff;box-shadow:0 0 0 8px var(--accent-weak),0 12px 26px #7b86f566;transition:background .2s ease,box-shadow .12s linear,transform .08s linear,filter .12s linear}.rec-btn:hover{background:#6b77f0}.rec-btn:disabled{opacity:.55;cursor:default}.rec-btn:focus-visible{outline:2px solid var(--ink);outline-offset:3px}.rec-btn svg{width:34px;height:34px}.rec-btn.on{background:var(--bad);transform:scale(calc(1 + var(--level) * .12));filter:brightness(calc(1 + var(--level) * .4));box-shadow:0 0 0 calc(6px + var(--level) * 26px) rgba(255,122,107,calc(.12 + var(--level) * .45)),0 12px 26px #ff7a6b61}.rec-hint{font-size:13px;color:var(--muted)}@media (max-width: 640px){form.grid2,.tiles{grid-template-columns:1fr}}@media (max-width: 820px){.home-hero,.home-3{grid-template-columns:1fr!important}}.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}.answer-timer{display:flex;flex-direction:column;align-items:center;gap:6px;margin:4px 0 12px}.timer-ring{position:relative;width:116px;height:116px}.timer-ring svg{width:100%;height:100%;transform:rotate(-90deg)}.timer-ring .track{fill:none;stroke:var(--line);stroke-width:8}.timer-ring .bar{fill:none;stroke:var(--accent);stroke-width:8;stroke-linecap:round;transition:stroke-dashoffset .3s linear,stroke .3s linear}.timer-ring.warn .bar,.timer-ring.grace .bar{stroke:var(--bad)}.timer-face{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;text-align:center}.timer-time{font-family:Sora,system-ui,sans-serif;font-size:26px;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums;color:var(--ink)}.timer-ring.warn .timer-time,.timer-ring.grace .timer-time{color:var(--bad)}.timer-label{font-size:12px;color:var(--muted);font-weight:600}.timer-grace-msg,.timer-timedout{font-size:13px;color:var(--bad);font-weight:600}@media (max-width: 640px){.timer-ring{width:96px;height:96px}.timer-time{font-size:22px}}.choice-opt{border:1px solid var(--line);transition:border-color .12s,background .12s}.choice-opt:hover{border-color:var(--accent)}.choice-opt.selected{border-color:var(--accent);background:var(--accent-weak)}.choice-opt input[type=radio],.choice-opt input[type=checkbox]{accent-color:var(--accent);width:18px;height:18px}.blank-input{width:100%;max-width:420px}.topnav{display:flex;gap:6px;margin-right:8px}.topnav a{font-size:13px;font-weight:600;color:var(--muted);padding:6px 12px;border-radius:999px}.topnav a:hover{color:var(--accent);background:var(--accent-weak)}.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.tbl-scroll{overflow-x:auto}@media (max-width: 840px){.stats-grid{grid-template-columns:1fr}}.material-panel{margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}.material-panel h3{margin:0 0 4px}.mat-spec-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}.table-wrap{overflow-x:auto}table.mini{width:auto;border-collapse:collapse}table.mini th,table.mini td{padding:6px 10px;border-bottom:1px solid var(--line);text-align:center;font-size:14px;white-space:nowrap}table.mini td:first-child,table.mini th:first-child{text-align:left}table.mini input{width:60px;text-align:center}.material-panel .toc{border:1px solid var(--line);border-radius:12px;padding:12px;background:var(--inset)}.chip{background:#fff;border:1px solid var(--line);color:var(--muted);border-radius:999px;padding:3px 11px;font-size:13px;cursor:pointer;box-shadow:none}.chip.on{background:var(--accent-weak);color:var(--accent);border-color:var(--accent)}ul.preview{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}ul.preview li{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-size:14px}.warn{color:var(--bad)}.kebab-wrap{position:relative;display:inline-flex}.kebab{background:transparent;border:0;box-shadow:none;color:var(--muted);font-size:20px;line-height:1;padding:2px 9px;border-radius:8px;cursor:pointer}.kebab:hover{background:var(--inset);color:var(--ink)}.menu{position:absolute;right:0;top:100%;margin-top:4px;min-width:220px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:6px;z-index:30}.menu-item{display:block;width:100%;text-align:left;background:transparent;border:0;box-shadow:none;padding:8px 10px;border-radius:8px;cursor:pointer;color:var(--ink);font-size:14px}.menu-item:hover{background:var(--inset)}.menu-item.danger-text{color:var(--bad)}.menu-confirm{padding:6px 8px;display:flex;flex-direction:column;gap:8px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#24242f73;display:flex;align-items:center;justify-content:center;padding:20px;z-index:60}.modal{max-width:460px;width:100%}.saving-card{position:relative;z-index:10000;text-align:center;margin-top:12px}.chip{display:inline-flex;align-items:center;gap:4px;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600}.proctor-signals{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:4px 14px;margin-top:4px}.proctor-signals label.check{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--ink);font-weight:500}.proctor-signals label.check.disabled{color:var(--muted)}.badge-warn{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:#e8730c;background:#e8730c22;border-radius:5px;padding:1px 5px}.badge-muted{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:var(--inset);border-radius:5px;padding:1px 5px}.apidocs-nav a:hover{background:var(--accent-weak);color:#5b67e6}@media (max-width: 760px){.apidocs{grid-template-columns:1fr!important}.apidocs-nav{display:none!important}}