*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#f3f6fb;color:#172033}.layout{display:flex;min-height:100vh}.sidebar{width:250px;background:#111827;color:white;padding:24px}.sidebar h1{font-size:22px;margin:0 0 28px}.sidebar a{display:block;color:#dbeafe;text-decoration:none;margin:12px 0;padding:10px;border-radius:10px}.sidebar a:hover{background:#1f2937}.main{flex:1;padding:28px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.card{background:white;border-radius:18px;padding:20px;box-shadow:0 8px 24px rgba(15,23,42,.07);margin-bottom:18px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}.btn{display:inline-block;background:#2563eb;color:white;border:0;border-radius:10px;padding:10px 14px;text-decoration:none;cursor:pointer}.btn.secondary{background:#475569}.btn.danger{background:#dc2626}.input,select,textarea{width:100%;padding:11px;border:1px solid #cbd5e1;border-radius:10px;margin:6px 0 12px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:12px;border-bottom:1px solid #e5e7eb}.badge{padding:5px 9px;border-radius:999px;font-size:13px}.green{background:#dcfce7;color:#166534}.yellow{background:#fef9c3;color:#854d0e}.red{background:#fee2e2;color:#991b1b}.vehicle-card{text-decoration:none;color:inherit;display:block}.vehicle-card:hover{transform:translateY(-2px)}.loginbox{max-width:420px;margin:80px auto}.small{color:#64748b;font-size:14px}.diagram{border:2px dashed #cbd5e1;border-radius:16px;min-height:220px;display:flex;align-items:center;justify-content:center;color:#64748b;background:#f8fafc}
.btn.danger, .danger { background:#b91c1c; color:#fff; }
.btn.danger:hover { background:#991b1b; }
.topbar > div { display:flex; gap:8px; flex-wrap:wrap; }
.combo-card{border-left:6px solid #2563eb}.topbar h2{margin:0}h4{margin-bottom:6px}.card a{color:#2563eb}.card a.btn{color:white}input[readonly]{background:#e5e7eb;color:#334155}