:root{--bg:#f4f6f9;--card:#fff;--ink:#1c2430;--muted:#5d6b7d;--line:#d9e0e8;--pri:#1f5fbf;--pri-d:#17479a;--ok:#1a7f4b;--warn:#b26a00;--bad:#b3261e;--bound-bg:#fff6dc;--bound-line:#e0a800;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif;font-size:16px;color:var(--ink)}*{box-sizing:border-box}body{margin:0;background:var(--bg);line-height:1.5}h1,h2,h3,h4{margin:0 0 .4em;line-height:1.25}code{background:#eef2f7;padding:1px 5px;border-radius:4px;font-size:.85em}.muted{color:var(--muted)}.small{font-size:.85rem}.row{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0;align-items:center}.btn{font:inherit;padding:7px 14px;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:8px;cursor:pointer}.btn:hover:not(:disabled){border-color:var(--pri);color:var(--pri)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.primary{background:var(--pri);border-color:var(--pri);color:#fff}.btn.primary:hover:not(:disabled){background:var(--pri-d);color:#fff}.btn.big{padding:10px 20px;font-weight:600}.btn.small{padding:3px 10px;font-size:.85rem}.btn.ghost{background:transparent}.btn.tab.active{background:#e5eefb;border-color:var(--pri);color:var(--pri-d);font-weight:600}.link-btn{background:none;border:none;color:var(--pri);cursor:pointer;font:inherit;padding:0}.link-btn:hover{text-decoration:underline}.topbar{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;padding:8px 18px}.brand{font-size:1.05rem}.progress-pill{background:#eef4ff;border:1px solid #c9dbf8;padding:3px 12px;border-radius:999px}.top-actions{display:flex;flex-wrap:wrap;gap:8px;margin-left:auto}.savestate{font-size:.8rem;width:100%;text-align:right}.savestate.ok{color:var(--ok)}.savestate.bad{color:var(--bad);font-weight:700}.start{display:flex;justify-content:center;padding:30px 16px 60px}.start-card{background:var(--card);max-width:820px;width:100%;padding:30px 34px;border-radius:14px;border:1px solid var(--line)}.start-card h2{margin-top:1.6em;font-size:1.15rem}.lead{font-size:1.05rem;color:#2c3a4d}.field-label{display:block;font-weight:600;margin:18px 0 6px}.text-input{width:100%;font:inherit;font-size:1.05rem;padding:10px 12px;border:1px solid #aab6c5;border-radius:8px}.text-input:focus,.note:focus{outline:2px solid #9fc0f2;border-color:var(--pri)}.error{color:var(--bad);margin-top:6px;font-weight:600}.resume-box{background:#eaf7f0;border:1px solid #9dd5b6;border-radius:10px;padding:12px 16px;margin:16px 0}.instr li{margin-bottom:5px}.intro{white-space:pre-wrap;background:#f7f9fc;border:1px solid var(--line);border-radius:8px;padding:12px 14px}.chart{padding:12px 18px 40px;max-width:1500px;margin:0 auto}.jump{background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px 12px;margin-bottom:12px}.legend{margin-left:16px;font-size:.82rem;color:var(--muted)}.chip{display:inline-block;width:12px;height:12px;border-radius:3px;margin:0 3px 0 10px;vertical-align:-1px;border:1px solid #9aa7b8}.chips{display:flex;flex-wrap:wrap;gap:5px;margin-top:8px}.chip-btn{width:36px;height:30px;font:inherit;font-size:.82rem;border-radius:6px;border:1px solid #9aa7b8;background:#fff;cursor:pointer;padding:0}.chip.done,.chip-btn.done{background:#cfeedd;border-color:#4fa879}.chip.part,.chip-btn.part{background:#ffe9b8;border-color:#d9a21b}.chip.none{background:#fff}.chip-btn.cur{outline:3px solid var(--pri);outline-offset:1px;font-weight:700}.columns{display:grid;grid-template-columns:minmax(340px,5fr) minmax(420px,6fr);gap:16px;align-items:start}.paper-panel{position:sticky;top:96px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 20px;max-height:calc(100vh - 112px);overflow:auto}.paper-meta{display:flex;gap:12px;align-items:center;margin-bottom:6px}.paper-id{background:var(--pri);color:#fff;border-radius:6px;padding:1px 9px;font-weight:700}.badge.ok{background:#cfeedd;color:#145c37;border-radius:999px;padding:0 10px;font-size:.8rem}.paper-title{font-size:1.3rem}.paper-author{color:#2c3a4d;margin-bottom:4px}.paper-doi{margin-bottom:12px;word-break:break-all}.abstract{font-size:1.05rem;line-height:1.65;white-space:pre-wrap;background:#fafbfd;border:1px solid var(--line);border-radius:8px;padding:12px 14px}.form-panel{display:flex;flex-direction:column;gap:12px}.form-bar{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;color:var(--muted)}.toggle{cursor:pointer;-webkit-user-select:none;user-select:none}.var-card{background:#fff;border:1px solid var(--line);border-left:5px solid #c4cedb;border-radius:10px;padding:14px 16px}.var-card.answered{border-left-color:var(--ok)}.var-head{display:flex;gap:12px;align-items:flex-start}.var-head h3{margin:0;font-size:1.08rem;display:inline}.var-num{background:#e7ecf3;border-radius:50%;min-width:28px;height:28px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem}.var-key{margin-left:8px;color:var(--muted)}.tag{margin-left:8px;font-size:.75rem;background:#efe6ff;color:#5b2ea8;padding:1px 8px;border-radius:999px}.clear{margin-left:auto;font-size:.85rem;color:var(--muted)}.definition{margin:8px 0;color:#2c3a4d;white-space:pre-wrap}.boundary{background:var(--bound-bg);border:1px solid var(--bound-line);border-left:5px solid var(--bound-line);border-radius:8px;padding:8px 12px;margin:8px 0 10px}.boundary-title{font-size:.75rem;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:#8a5a00;margin-bottom:2px}.boundary-text{white-space:pre-wrap;font-size:1rem;line-height:1.55}.options{display:flex;flex-wrap:wrap;gap:8px}.options.stacked{flex-direction:column}.opt{display:flex;gap:10px;align-items:flex-start;border:1px solid #b9c4d2;border-radius:8px;padding:8px 12px;cursor:pointer;background:#fff}.opt:hover{border-color:var(--pri)}.opt.selected{background:#e5eefb;border-color:var(--pri);box-shadow:inset 0 0 0 1px var(--pri)}.opt input{margin-top:5px;accent-color:var(--pri);width:16px;height:16px}.opt-body{display:flex;flex-direction:column}.opt-title{font-weight:600}.opt-help{font-size:.9rem;color:#3b4a5e}.note{width:100%;font:inherit;padding:8px 10px;border:1px solid #aab6c5;border-radius:8px;resize:vertical}.nav-bar{display:flex;justify-content:space-between;align-items:center;position:sticky;bottom:0;background:#f4f6f9f2;padding:10px 0;border-top:1px solid var(--line)}.review{display:flex;justify-content:center;padding:24px 16px 60px}.review-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px 28px;max-width:900px;width:100%}.ok-box{background:#eaf7f0;border:1px solid #9dd5b6;padding:10px 14px;border-radius:8px}.warn-box{background:#fff4dd;border:1px solid #e3b75a;padding:10px 14px;border-radius:8px;margin-bottom:12px}.miss-table{width:100%;border-collapse:collapse}.miss-table th,.miss-table td{text-align:left;padding:6px 8px;border-bottom:1px solid var(--line);vertical-align:top}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#141c288c;display:flex;align-items:center;justify-content:center;z-index:50;padding:16px}.modal{background:#fff;border-radius:14px;padding:24px 28px;max-width:560px;width:100%}.callout{background:#e5eefb;border:1px solid #b6cdf2;border-radius:8px;padding:10px 14px}.toast{position:fixed;bottom:20px;left:50%;transform:translate(-50%);background:#1c2430;color:#fff;padding:9px 18px;border-radius:8px;z-index:60}@media (max-width: 980px){.columns{grid-template-columns:1fr}.paper-panel{position:static;max-height:none}}.annot-choice{display:flex;gap:12px;margin:6px 0 12px}.annot-btn{min-width:110px}.annot-btn.selected{background:#e5eefb;border-color:var(--pri);color:var(--pri-d);box-shadow:0 0 0 2px var(--pri) inset}