:root{--bg:#f6f8fb;--card:#fff;--text:#172033;--muted:#6b7280;--line:#e6eaf0;--blue:#2563eb;--dark:#111827;--green:#dcfce7;--yellow:#fef9c3;--red:#fee2e2}*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--text)}a{text-decoration:none;color:inherit}.center{min-height:100vh;display:flex;align-items:center;justify-content:center}.card{background:var(--card);border:1px solid var(--line);border-radius:20px;box-shadow:0 10px 30px rgba(17,24,39,.08);padding:24px}.install,.login{width:min(440px,92vw)}h1,h2,h3{margin:0 0 14px}.muted{color:var(--muted);font-size:14px}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:12px;background:var(--blue);color:#fff;padding:11px 16px;font-weight:700;cursor:pointer}.btn.secondary{background:#eef2ff;color:#1e40af}.btn.danger{background:#dc2626}.btn.small{padding:7px 10px;font-size:13px}.input,select,textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:11px;margin:6px 0 12px;background:#fff}.success{background:var(--green);padding:10px;border-radius:12px;margin:12px 0}.error{background:var(--red);padding:10px;border-radius:12px;margin:12px 0}.layout{display:grid;grid-template-columns:250px 1fr;min-height:100vh}.sidebar{background:#0f172a;color:#fff;padding:22px}.brand{font-size:20px;font-weight:800;margin-bottom:24px}.nav a{display:block;padding:12px;border-radius:12px;color:#dbeafe;margin:5px 0}.nav a:hover,.nav a.active{background:#1d4ed8;color:#fff}.main{padding:24px}.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.grid{display:grid;grid-template-columns:repeat(4,minmax(160px,1fr));gap:14px}.kpi{padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line)}.kpi b{font-size:28px;display:block}.tablewrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:18px}.table{width:100%;border-collapse:collapse}.table th,.table td{border-bottom:1px solid var(--line);padding:11px;text-align:left;white-space:nowrap}.table th{background:#f9fafb}.row-green{background:var(--green)}.row-yellow{background:var(--yellow)}.row-red{background:var(--red)}.form-grid{display:grid;grid-template-columns:repeat(3,minmax(180px,1fr));gap:12px}.scanbox{font-size:22px;padding:14px}.flash{position:fixed;right:20px;bottom:20px;background:#111827;color:#fff;padding:14px 18px;border-radius:14px;display:none}@media(max-width:850px){.layout{grid-template-columns:1fr}.sidebar{position:relative}.grid,.form-grid{grid-template-columns:1fr}.top{display:block}.main{padding:14px}.nav{display:grid;grid-template-columns:1fr 1fr;gap:4px}}