:root{--brand:#c62828;--brand2:#8e0000;--bg:#f4f6f8;--card:#fff;--text:#1f2937;--muted:#6b7280}
*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}
.topbar{height:68px;background:#fff;border-bottom:1px solid #e5e7eb;display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:5}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:22px}.brandmark{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand2));display:grid;place-items:center;color:#fff;font-weight:900}.brand small{display:block;font-size:11px;color:var(--muted);font-weight:600}
nav a{color:#374151;text-decoration:none;margin-left:18px;font-weight:600}.container{max-width:1180px;margin:32px auto;padding:0 20px}
.card{background:var(--card);border:1px solid #e5e7eb;border-radius:16px;padding:22px;box-shadow:0 8px 24px rgba(0,0,0,.04)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px}.btn{display:inline-block;border:0;border-radius:10px;padding:10px 15px;background:var(--brand);color:white;font-weight:700;text-decoration:none;cursor:pointer}.btn.secondary{background:#111827}.btn.light{background:#eef2f7;color:#111827}.btn.danger{background:#b91c1c}
input,select,textarea{width:100%;padding:11px 12px;border:1px solid #d1d5db;border-radius:10px;background:white;font:inherit}label{font-size:13px;font-weight:700;color:#374151;display:block;margin-bottom:6px}.field{margin-bottom:14px}
table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:12px 10px;border-bottom:1px solid #edf0f2;font-size:14px}th{color:#6b7280;font-size:12px;text-transform:uppercase}
.badge{display:inline-block;padding:4px 8px;border-radius:999px;font-size:12px;font-weight:700;background:#eef2ff}.muted{color:var(--muted)}.actions{display:flex;gap:8px;flex-wrap:wrap}
.flash{padding:12px 14px;border-radius:10px;margin-bottom:14px;background:#ecfdf5}.flash.danger{background:#fef2f2}.flash.warning{background:#fffbeb}
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(145deg,#fafafa,#eef2f6)}.login-card{width:min(420px,100%)}.hero{margin-bottom:22px}.hero h1{margin:0 0 6px;font-size:30px}.hero p{margin:0;color:var(--muted)}
.docname{font-weight:800}.toolbar{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:18px;flex-wrap:wrap}
pre.preview{white-space:pre-wrap;background:#0f172a;color:#e2e8f0;padding:18px;border-radius:12px;max-height:500px;overflow:auto}
textarea.editor{min-height:520px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}