:root{--bg:#f5f7fb;--card:#fff;--ink:#162033;--muted:#667085;--line:#d9e1ec;--brand:#1677ff;--ok:#12805c;--bad:#c03221;--soft:#eef5ff;--warn:#8a6100;--green:#16a34a;--red:#dc2626;--blue:#2563eb}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:linear-gradient(180deg,#eef5ff 0,#f7f8fb 260px);color:var(--ink)}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}.wrap{max-width:1180px;margin:0 auto;padding:24px}.top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}.top-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;justify-content:flex-end}.brand h1{font-size:28px;line-height:1.1;margin:0}.brand p{color:var(--muted);margin:8px 0 0}.card{background:var(--card);border:1px solid var(--line);border-radius:22px;box-shadow:0 12px 30px rgba(22,32,51,.07);padding:22px}.grid{display:grid;gap:16px}.grid.cards-3{grid-template-columns:repeat(3,minmax(0,1fr))}.doc-card,.test-card{display:flex;flex-direction:column;gap:12px;min-height:210px;min-width:0}.doc-card h2,.test-card h3,.admin-doc h3{overflow-wrap:anywhere;word-break:normal;hyphens:auto;line-height:1.2;margin:.2rem 0;min-width:0}.badge{display:inline-flex;align-items:center;gap:6px;width:max-content;max-width:100%;border:1px solid var(--line);border-radius:999px;padding:6px 10px;font-size:13px;color:var(--muted);background:#fff;white-space:normal}.btn{border:0;border-radius:14px;background:var(--brand);color:white;padding:12px 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16px;font-size:16px;margin:12px 0}.error{color:var(--bad);font-weight:700}.ok{color:var(--ok);font-weight:700}.bad{color:var(--bad);font-weight:700}.warn{color:var(--warn)}.crumbs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px;color:var(--muted)}.question-title{font-size:22px;margin:18px 0 12px;line-height:1.25}.option{width:100%;text-align:left;background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px 16px;margin:8px 0;cursor:pointer;color:var(--ink);font-weight:600;line-height:1.35}.option:hover{border-color:var(--brand);background:var(--soft)}.option.correct{border-color:var(--ok);background:#ecfdf5}.option.wrong{border-color:var(--bad);background:#fff2f0}.progressbar{height:10px;background:#e9eef6;border-radius:999px;overflow:hidden}.progressbar div{height:100%;background:var(--brand);width:0;transition:width .25s ease}.progressbar.green div{background:var(--green)}.explain{margin-top:16px;border-left:4px solid var(--brand);padding:12px 14px;background:var(--soft);border-radius:12px}.explain.okbox{border-left-color:var(--green);background:#ecfdf5}.explain p{margin:8px 0 12px}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:16px 0}.stat{padding:14px;border:1px solid var(--line);border-radius:16px;background:#fff}.stat strong{font-size:24px;display:block}.hidden{display:none!important}.notice{margin:14px 0;padding:12px 14px;border-radius:12px;background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;font-size:14px;line-height:1.45}.notice code{background:#ffedd5;padding:2px 6px;border-radius:6px}.doc-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:14px}.doc-head .btn{flex:0 0 auto}.resultbar{height:10px;width:100%;border-radius:999px;overflow:hidden;background:#e9eef6;display:flex}.resultbar-ok{height:100%;background:var(--green)}.resultbar-bad{height:100%;background:var(--red)}.question-nav{display:flex;flex-wrap:wrap;gap:7px;margin:8px 0 18px;padding:12px;border:1px solid var(--line);border-radius:16px;background:#fbfcff}.qdot{width:36px;height:36px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--muted);font-weight:800;cursor:pointer}.qdot.active{outline:3px solid rgba(22,119,255,.20);border-color:var(--brand);color:var(--brand)}.qdot.ok{background:#ecfdf5;border-color:var(--green);color:var(--green)}.qdot.bad{background:#fff2f0;border-color:var(--red);color:var(--red)}.quiz-actions{justify-content:flex-end}.admin-actions{margin-top:12px}.admin-doc{min-height:150px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:14px}th,td{border-bottom:1px solid var(--line);padding:10px;text-align:left;vertical-align:top}th{color:var(--muted);font-weight:800;background:#f8fafc}@media(max-width:980px){.grid.cards-3{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:760px){.wrap{padding:16px}.top{align-items:flex-start;flex-direction:column}.top-actions{width:100%;justify-content:flex-start}.brand h1{font-size:24px}.card{padding:16px}.grid.cards-3{grid-template-columns:1fr}.actions.two{grid-template-columns:1fr}.row .btn,.top-actions .btn{width:100%}.doc-head{flex-direction:column}.doc-head .btn{width:100%}.quiz-actions .btn{width:100%}.qdot{width:34px;height:34px}.question-title{font-size:20px}}