:root{--bg:#f4f6fb;--card:#fff;--text:#172033;--muted:#6b7280;--primary:#6d28d9;--primary2:#4f46e5;--danger:#dc2626;--ok:#059669;--border:#e5e7eb}*{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}.layout{display:grid;grid-template-columns:250px 1fr;min-height:100vh}.sidebar{background:#111827;color:#fff;padding:22px 14px;position:sticky;top:0;height:100vh}.brand{font-size:20px;font-weight:800;padding:8px 12px 22px}.nav a{display:block;padding:12px 14px;border-radius:10px;color:#d1d5db;margin:4px 0}.nav a:hover,.nav a.active{background:#6d28d9;color:#fff}.content{padding:26px}.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px;box-shadow:0 3px 12px rgba(15,23,42,.04)}.metric{font-size:28px;font-weight:800;margin-top:8px}.muted{color:var(--muted)}.btn{border:0;border-radius:9px;padding:10px 14px;font-weight:700;cursor:pointer;display:inline-block}.btn-primary{background:var(--primary);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-light{background:#eef2ff;color:#3730a3}.table-wrap{overflow:auto;background:#fff;border:1px solid var(--border);border-radius:14px}table{width:100%;border-collapse:collapse}th,td{padding:12px 14px;border-bottom:1px solid var(--border);text-align:left;white-space:nowrap}th{background:#f8fafc;font-size:13px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.field label{display:block;font-size:13px;font-weight:700;margin-bottom:6px}.field input,.field select,.field textarea{width:100%;padding:11px;border:1px solid #d1d5db;border-radius:9px;background:#fff}.field.full{grid-column:1/-1}.alert{padding:12px 14px;border-radius:9px;margin-bottom:15px}.alert-ok{background:#d1fae5;color:#065f46}.alert-err{background:#fee2e2;color:#991b1b}.login{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#111827,#312e81)}.login-box{width:min(420px,92vw);background:#fff;padding:28px;border-radius:18px}.actions{display:flex;gap:8px;align-items:center}.badge{display:inline-block;padding:5px 8px;border-radius:999px;font-size:12px;font-weight:700;background:#eef2ff;color:#4338ca}.badge.ok{background:#d1fae5;color:#047857}.badge.warn{background:#fef3c7;color:#92400e}@media(max-width:1000px){.grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){.layout{display:block}.sidebar{height:auto;position:relative}.nav{display:flex;overflow:auto}.nav a{white-space:nowrap}.content{padding:16px}.grid,.form-grid{grid-template-columns:1fr}.top{align-items:flex-start;gap:12px;flex-direction:column}}