:root{--ink:#111827;--muted:#667085;--line:#e5e7eb;--paper:#fff;--soft:#f7f8fa;--accent:#b45309}*{box-sizing:border-box}body{margin:0;font:14px/1.5 Inter,system-ui,Arial;background:var(--soft);color:var(--ink)}a{color:inherit;text-decoration:none}.login{min-height:100vh;display:grid;place-items:center}.card{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 16px 50px rgba(17,24,39,.08);padding:30px}.login .card{width:min(430px,92vw)}.brand{font-size:22px;font-weight:800}.muted{color:var(--muted)}input,textarea,select{width:100%;padding:11px 12px;border:1px solid #d0d5dd;border-radius:9px;margin:6px 0 14px;background:#fff}.btn{display:inline-block;border:0;border-radius:9px;padding:10px 15px;background:#111827;color:#fff;cursor:pointer}.btn.secondary{background:#fff;color:#111827;border:1px solid #d0d5dd}.layout{display:grid;grid-template-columns:250px 1fr;min-height:100vh}.side{background:#fff;border-right:1px solid var(--line);padding:24px 18px}.side nav a{display:block;padding:10px 12px;border-radius:8px;margin:3px 0}.side nav a:hover{background:#f2f4f7}.main{padding:28px}.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}.stat b{font-size:26px;display:block}.table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line)}.table th,.table td{text-align:left;padding:12px;border-bottom:1px solid var(--line)}.panel{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;margin-top:18px}.flash{padding:10px 12px;border-radius:8px;background:#ecfdf3;margin-bottom:15px}@media(max-width:900px){.layout{grid-template-columns:1fr}.side{display:none}.grid{grid-template-columns:1fr 1fr}}@media(max-width:560px){.grid{grid-template-columns:1fr}}