:root{--bg:#f5f7fb;--card:#fff;--text:#172033;--muted:#6b7280;--primary:#1d4ed8;--danger:#dc2626;--ok:#059669;--line:#e5e7eb;--nav:#111827}*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--text)}button,input,select,textarea{font:inherit}.hidden{display:none!important}.login{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card{width:min(420px,100%);background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:0 15px 50px #0001}.brand{font-size:24px;font-weight:800}.sub{color:var(--muted);margin:6px 0 22px}.field{display:grid;gap:6px;margin:12px 0}.field input,.field select,.field textarea{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:9px;background:#fff}.btn{border:0;border-radius:9px;padding:10px 14px;cursor:pointer;background:#e5e7eb}.btn.primary{background:var(--primary);color:#fff}.btn.danger{background:var(--danger);color:#fff}.btn.ok{background:var(--ok);color:#fff}.error{color:var(--danger);font-size:13px}.shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh}.sidebar{background:var(--nav);color:#fff;padding:18px 12px}.sidebar .brand{padding:0 10px 18px}.navbtn{width:100%;text-align:left;background:transparent;color:#d1d5db;border:0;padding:11px 12px;border-radius:8px;cursor:pointer}.navbtn:hover,.navbtn.active{background:#1f2937;color:#fff}.main{padding:20px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px}.metric{font-size:28px;font-weight:800}.muted{color:var(--muted)}.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:12px}.toolbar input,.toolbar select{padding:9px 10px;border:1px solid var(--line);border-radius:8px}.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:12px}table{width:100%;border-collapse:collapse;min-width:900px}th,td{padding:10px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}th{background:#f9fafb}.actions{display:flex;gap:6px}.modal{position:fixed;inset:0;background:#0007;display:grid;place-items:center;padding:18px;z-index:20}.modal-card{width:min(760px,100%);max-height:90vh;overflow:auto;background:#fff;border-radius:14px;padding:18px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.span2{grid-column:1/-1}.pill{display:inline-block;padding:4px 8px;border-radius:999px;background:#eef2ff;color:#3730a3;font-size:12px}.notice{background:#fff7ed;border:1px solid #fed7aa;padding:10px;border-radius:9px;color:#9a3412}.small{font-size:12px}.right{margin-left:auto}@media(max-width:900px){.shell{grid-template-columns:1fr}.sidebar{position:sticky;top:0;z-index:10;display:flex;overflow:auto;gap:6px}.sidebar .brand{display:none}.navbtn{white-space:nowrap;width:auto}.grid{grid-template-columns:repeat(2,1fr)}.main{padding:12px}}@media(max-width:600px){.grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.span2{grid-column:auto}.topbar{align-items:flex-start;gap:10px;flex-direction:column}}