:root{--primary:#f97316;--dark:#111827;--muted:#6b7280;--bg:#f3f4f6;--card:#ffffff;--border:#e5e7eb}.login-body{background:linear-gradient(135deg,#111827,#1f2937,#f97316);min-height:100vh;display:flex;align-items:center;justify-content:center;font-family:Arial,sans-serif}.login-card{background:#fff;padding:35px;border-radius:18px;width:380px;box-shadow:0 20px 50px rgba(0,0,0,.25)}.login-card h1{margin:0;color:var(--dark)}.login-card p{color:var(--muted)}input,select,textarea{width:100%;padding:12px;border:1px solid var(--border);border-radius:10px;margin:8px 0 14px;box-sizing:border-box}.btn{background:var(--primary);color:#fff;padding:12px 18px;border:none;border-radius:10px;text-decoration:none;display:inline-block;cursor:pointer;font-weight:bold}.btn-secondary{background:#374151}.layout{display:flex;min-height:100vh;font-family:Arial,sans-serif;background:var(--bg)}.sidebar{width:260px;background:#111827;color:#fff;padding:24px}.sidebar h2{color:#fb923c}.sidebar a{display:block;color:#e5e7eb;text-decoration:none;padding:12px;border-radius:10px;margin:6px 0}.sidebar a:hover{background:#1f2937}.main{flex:1;padding:28px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:20px;margin-bottom:18px;box-shadow:0 6px 20px rgba(0,0,0,.05)}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.stat h3{font-size:28px;margin:0;color:var(--primary)}.stat p{margin:6px 0 0;color:var(--muted)}table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden}th,td{padding:12px;border-bottom:1px solid var(--border);text-align:left}th{background:#f9fafb}.badge{padding:5px 9px;border-radius:999px;background:#e5e7eb;font-size:12px}.success{background:#dcfce7;color:#166534}.warning{background:#fef3c7;color:#92400e}.danger{background:#fee2e2;color:#991b1b}@media(max-width:900px){.layout{display:block}.sidebar{width:auto}.grid{grid-template-columns:1fr 1fr}}@media(max-width:600px){.grid{grid-template-columns:1fr}.login-card{width:90%}}