:root{--bg:#f5f7fb;--card:#fff;--text:#172033;--muted:#6b7280;--line:#e5e7eb;--accent:#5b5bd6;--sidebar:#111827;--green:#0f9f6e;--red:#dc2626}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial;background:var(--bg);color:var(--text)}a{color:inherit}.sidebar{position:fixed;inset:0 auto 0 0;width:240px;background:var(--sidebar);color:#fff;padding:22px 16px}.brand{display:flex;gap:10px;align-items:center;font-weight:700;font-size:18px;margin-bottom:30px}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#7c3aed,#2563eb)}nav{display:grid;gap:7px}nav a{text-decoration:none;padding:11px 12px;border-radius:9px;color:#d1d5db}nav a:hover{background:#1f2937;color:#fff}.main{margin-left:240px;min-height:100vh}.topbar{height:64px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 26px}.content{padding:26px;max-width:1400px}.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:0 4px 16px rgba(17,24,39,.04)}.metric{font-size:30px;font-weight:750;margin-top:8px}.muted{color:var(--muted)}.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:14px}.table{width:100%;border-collapse:collapse}.table th,.table td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--line);white-space:nowrap}.table th{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;gap:12px}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:9px;padding:10px 14px;text-decoration:none;cursor:pointer;font-weight:650}.btn-primary{background:var(--accent);color:#fff}.btn-danger{background:#fee2e2;color:#991b1b}.btn-light{background:#fff;border:1px solid var(--line)}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.field{display:grid;gap:7px}.field label{font-weight:650}.field input,.field select,.field textarea{padding:11px 12px;border:1px solid #cfd4dc;border-radius:9px;background:#fff;font:inherit}.field.full{grid-column:1/-1}.actions{grid-column:1/-1;display:flex;gap:10px}.alert{padding:12px 14px;border-radius:10px;margin-bottom:16px}.alert.success{background:#dcfce7;color:#166534}.alert.error{background:#fee2e2;color:#991b1b}.auth-main{min-height:100vh;display:grid;place-items:center}.auth-card{width:min(420px,92vw);background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;box-shadow:0 20px 50px rgba(17,24,39,.08)}.auth-card h1{margin-top:0}.badge{padding:5px 8px;border-radius:999px;font-size:12px;background:#eef2ff;color:#3730a3}@media(max-width:900px){.sidebar{width:190px}.main{margin-left:190px}.cards{grid-template-columns:repeat(2,1fr)}.form-grid{grid-template-columns:1fr}}@media(max-width:680px){.sidebar{position:static;width:auto}.main{margin-left:0}.cards{grid-template-columns:1fr}.content{padding:16px}}