:root{
        --bg:#f6f7f9; --fg:#0a0b0e; --muted:#6b7280; --card:#ffffff; --line:#e5e7eb;
        --brand:#0f766e; --brand-2:#0ea5e9; --ok:#16a34a; --warn:#ea580c; --err:#b91c1c;
      }
      *{box-sizing:border-box} body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.45 system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell}
      .container{max-width:1000px;margin:24px auto;padding:0 16px}
      .nav{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:5}
      .nav .brand{font-weight:700;color:var(--brand)}
      .nav a{color:var(--fg);margin-right:12px;text-decoration:none}
      .nav .auth{display:flex;align-items:center;gap:12px}
      .avatar{width:28px;height:28px;border-radius:50%;vertical-align:middle}
      .flashwrap{max-width:1000px;margin:8px auto;padding:0 16px}
      .flash{padding:10px 12px;border-radius:8px;margin:8px 0}
      .flash.success{background:#ecfdf5;color:#065f46}
      .flash.error{background:#fef2f2;color:#7f1d1d}
      .hero{background:linear-gradient(90deg,#e0f2fe,#f0fdfa);padding:24px;border-radius:16px;border:1px solid var(--line)}
      .cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:16px 0}
      .card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:0 1px 1px rgba(0,0,0,0.02)}
      .table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
      .table th,.table td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left}
      .table thead{background:#f8fafc}
      .form{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px;margin:12px 0}
      .form .row{display:flex;gap:12px;flex-wrap:wrap}
      label{display:flex;flex-direction:column;gap:6px;font-size:14px}
      input,select,textarea{padding:10px;border:1px solid var(--line);border-radius:10px;background:#fff}
      .btn{display:inline-block;background:var(--brand);color:#fff;border:none;border-radius:10px;padding:10px 14px;text-decoration:none;cursor:pointer}
      .btn.small{padding:6px 10px;font-size:13px}
      .btn:disabled{opacity:.6;cursor:not-allowed}
      .inline{display:inline}
      .badge{padding:3px 8px;border-radius:999px;font-size:12px}
      .badge.ok{background:#ecfdf5;color:#065f46}
      .badge.warn{background:#fffbeb;color:#854d0e}
      .footer{max-width:1000px;margin:24px auto;padding:0 16px;color:var(--muted)}
      .muted{color:var(--muted);font-size:13px}
      .grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
      @media (max-width:800px){.grid-2{grid-template-columns:1fr}}