:root{--bg:#f5f7fb;--card:#fff;--ink:#172033;--muted:#6b7280;--line:#e5e7eb;--brand:#1d4ed8;--dark:#111827;--good:#15803d;--bad:#b91c1c}
*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink)}a{text-decoration:none;color:inherit}.layout{display:grid;grid-template-columns:255px 1fr;min-height:100vh}.sidebar{background:var(--dark);color:#fff;padding:20px 14px;position:sticky;top:0;height:100vh;overflow:auto}.brand{font-size:20px;font-weight:800;padding:8px 10px 20px}.nav-label{font-size:11px;text-transform:uppercase;color:#94a3b8;margin:20px 10px 7px}.nav a{display:block;padding:10px 12px;border-radius:9px;color:#dbeafe;margin:2px 0}.nav a:hover,.nav a.active{background:#1f2937;color:white}.main{min-width:0}.topbar{height:68px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 26px;position:sticky;top:0;z-index:4}.content{padding:26px}.grid{display:grid;gap:18px}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:0 1px 2px rgba(0,0,0,.03)}.stat{font-size:28px;font-weight:800;margin-top:5px}.muted{color:var(--muted)}h1{margin:0 0 6px;font-size:26px}h2{font-size:18px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:9px 14px;border-radius:9px;border:0;background:var(--brand);color:#fff;font-weight:700;cursor:pointer}.btn.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}.btn.danger{background:var(--bad)}.toolbar{display:flex;gap:10px;align-items:center;justify-content:space-between;margin-bottom:18px}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse;background:#fff}.table th,.table td{padding:12px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}.table th{font-size:12px;text-transform:uppercase;color:var(--muted);background:#f8fafc}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field label{display:block;font-size:13px;font-weight:700;margin-bottom:6px}.field input,.field select,.field textarea{width:100%;padding:10px 11px;border:1px solid #d1d5db;border-radius:9px;background:#fff}.field.full{grid-column:1/-1}.alert{padding:12px 14px;border-radius:10px;margin-bottom:16px;background:#ecfdf5;color:#166534}.login-shell{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card{width:min(430px,100%);background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px}.badge{padding:4px 8px;border-radius:999px;background:#eef2ff;font-size:12px}@media(max-width:1000px){.grid-4{grid-template-columns:repeat(2,1fr)}.layout{grid-template-columns:210px 1fr}}@media(max-width:720px){.layout{display:block}.sidebar{height:auto;position:relative}.grid-4,.grid-2,.form-grid{grid-template-columns:1fr}.topbar{position:relative}.content{padding:16px}}