:root{--bg:#f6f7fb;--card:#fff;--line:#e7e9f0;--ink:#111827;--muted:#6b7280;--accent:#3b5bfd;--accent2:#8b5cf6;--good:#16a34a;--warn:#d97706;--err:#dc2626;--chipbg:#f3f4f6;--shadow:0 1px 3px rgba(16,24,40,.07)}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}a{color:inherit;text-decoration:none}.topbar{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:10px 22px;gap:22px}.brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:18px}.brand .dot{width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px}.nav{display:flex;gap:4px;flex:1;flex-wrap:wrap}.nav a{padding:7px 13px;border-radius:9px;font-size:14px;font-weight:500;color:var(--muted)}.nav a.on{background:#eef0ff;color:var(--accent);font-weight:600}.nav a:hover{background:var(--chipbg);color:var(--ink)}.credits{font-size:13px;font-weight:600;color:var(--accent);background:#eef0ff;padding:6px 12px;border-radius:999px}.container{max-width:1080px;margin:0 auto;padding:28px 22px 80px}h1{font-size:26px;margin:0 0 6px;font-weight:800}.hint{color:var(--muted);font-size:14px;margin:0 0 18px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--shadow)}.grid{display:grid;gap:16px}.g4{grid-template-columns:repeat(4,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:2fr 1fr}.btn{border:1px solid var(--line);background:#fff;color:var(--ink);padding:10px 16px;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer}.btn:hover{border-color:#c7cbd6}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.primary:hover{background:#2d49e6}.btn.big{padding:13px 22px;font-size:15px}button:disabled{opacity:.55;cursor:default}.field{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font-size:14px;font-family:inherit;background:#fff}.field:focus{outline:2px solid #c7d2fe;border-color:var(--accent)}.label{display:block;font-size:12.5px;font-weight:600;color:var(--muted);margin:0 0 6px}.row{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}.muted{color:var(--muted)}.small{font-size:13px}.error{color:var(--err);background:#fef2f2;border:1px solid #fecaca;padding:9px 12px;border-radius:9px;font-size:13.5px}.badge{display:inline-block;padding:3px 9px;border-radius:999px;font-size:11.5px;font-weight:600;background:var(--chipbg);color:var(--muted)}.badge.b{background:#eef0ff;color:var(--accent)}.badge.g{background:#ecfdf3;color:var(--good)}.badge.o{background:#fffbeb;color:var(--warn)}.chip{display:inline-block;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;background:#eef0ff;color:var(--accent);margin:2px}.spinner{display:inline-block;width:14px;height:14px;border:2px solid #fff;border-top-color:transparent;border-radius:50%;animation:spin .8s linear infinite;vertical-align:-2px;margin-right:6px}@keyframes spin{to{transform:rotate(360deg)}}.flex{display:flex;align-items:center;gap:10px}.stat{font-size:24px;font-weight:800}.big-note{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;border-radius:16px;padding:24px}.big-note h3{margin:0 0 6px;font-size:20px}.placeholder{border:2px dashed var(--line);border-radius:12px;padding:26px;text-align:center;color:var(--muted);font-size:14px;background:#fafbfc}@media (max-width:820px){.g4{grid-template-columns:repeat(2,1fr)}.g3,.g2{grid-template-columns:1fr}.topbar{flex-wrap:wrap}}