:root{--bg:#f6f7fb;--card:#fff;--text:#172033;--muted:#667085;--primary:#2563eb;--border:#e5e7eb;--green:#16a34a;--orange:#ea580c;--red:#dc2626}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{text-decoration:none;color:inherit}button,input,select,textarea{font:inherit}.shell{display:flex;min-height:100vh}.sidebar{width:250px;background:#111827;color:#fff;padding:22px 16px;position:fixed;inset:0 auto 0 0}.brand{font-size:24px;font-weight:800;margin:0 10px 24px}.nav a{display:block;padding:11px 12px;border-radius:9px;color:#cbd5e1;margin:4px 0}.nav a:hover{background:#1f2937;color:#fff}.main{margin-left:250px;flex:1 1;padding:30px;max-width:1600px}.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px}.top h1{margin:0;font-size:28px}.user{font-size:13px;color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:16px;gap:16px}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px;box-shadow:0 2px 8px #00000008}.metric{font-size:30px;font-weight:800;margin-top:6px}.label{font-size:13px;color:var(--muted)}.section{margin-top:22px}.section h2{font-size:18px}.table{width:100%;border-collapse:collapse}.table td,.table th{text-align:left;padding:12px;border-bottom:1px solid var(--border);font-size:14px}.badge{display:inline-block;padding:4px 8px;border-radius:999px;font-size:12px;background:#eef2ff}.actions{display:flex;gap:10px;align-items:center}.btn{border:0;border-radius:9px;padding:10px 14px;cursor:pointer;background:var(--primary);color:#fff;font-weight:600}.btn.secondary{background:#e5e7eb;color:#111827}.form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:14px;gap:14px}.field{display:flex;flex-direction:column;gap:6px}.field.full{grid-column:1/-1}.field label{font-size:13px;font-weight:600}.field input,.field select,.field textarea{border:1px solid var(--border);border-radius:9px;padding:10px;background:#fff}.login{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#eef2ff,#f8fafc)}.loginbox{width:min(420px,92vw);background:#fff;padding:32px;border-radius:18px;box-shadow:0 20px 60px #0001}.error{color:var(--red);margin:8px 0}.error,.ok{font-size:13px}.ok{color:var(--green)}@media(max-width:900px){.sidebar{width:210px}.main{margin-left:210px}.grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.sidebar{position:static;width:100%;min-height:auto}.shell{display:block}.main{margin-left:0;padding:18px}.form,.grid{grid-template-columns:1fr}.sidebar .nav{display:flex;overflow:auto}.sidebar .nav a{white-space:nowrap}}