:root{--bg:#f6f7f9;--card:#fff;--text:#171717;--muted:#6b7280;--line:#e5e7eb;--accent:#d71920;--blue:#1463d6}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--blue);text-decoration:none}.top{height:64px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:5}.brand{font-weight:800;font-size:20px}.layout{display:grid;grid-template-columns:230px 1fr;min-height:calc(100vh - 64px)}.nav{background:#fff;border-right:1px solid var(--line);padding:18px}.nav a{display:block;padding:10px 12px;border-radius:8px;color:#333;margin-bottom:4px}.nav a:hover{background:#f2f4f7}.main{padding:24px;max-width:1500px}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;margin-bottom:18px}.grid{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.stat{font-size:32px;font-weight:800}.muted{color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:9px 13px;border-radius:8px;border:1px solid var(--line);background:#fff;color:#222;cursor:pointer}.btn-primary{background:#111;color:#fff;border-color:#111}.btn-danger{background:#fff0f0;color:#b91c1c;border-color:#fecaca}.btn-small{padding:6px 9px;font-size:13px}input,select,textarea{width:100%;padding:10px 11px;border:1px solid #d1d5db;border-radius:8px;background:#fff;font:inherit}textarea{min-height:120px}label{display:block;font-weight:600;margin-bottom:6px}.field{margin-bottom:14px}.toolbar{display:flex;gap:8px;align-items:center;justify-content:space-between;margin-bottom:16px;flex-wrap:wrap}.actions{display:flex;gap:8px;flex-wrap:wrap}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.badge{display:inline-block;padding:3px 7px;border-radius:999px;background:#eef2ff;font-size:12px}.flash{background:#ecfdf5;border:1px solid #a7f3d0;padding:11px 14px;border-radius:8px;margin-bottom:16px}.article-card{display:grid;grid-template-columns:90px 1fr;gap:12px;align-items:start}.article-card img{width:90px;height:60px;object-fit:cover;border-radius:6px}.checklist{max-height:440px;overflow:auto;border:1px solid var(--line);border-radius:8px}.checkitem{display:flex;gap:10px;padding:10px;border-bottom:1px solid var(--line)}.checkitem input{width:auto;margin-top:4px}.preview-frame{width:100%;height:650px;border:1px solid var(--line);background:#fff}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(420px,100%);background:#fff;padding:28px;border:1px solid var(--line);border-radius:14px}.tiny{font-size:12px}.right{text-align:right}@media(max-width:900px){.layout{grid-template-columns:1fr}.nav{display:none}.grid-4,.grid-2{grid-template-columns:1fr}.main{padding:14px}.table{font-size:13px;display:block;overflow:auto}}