:root{--bg:#f4f6fa;--panel:#fff;--text:#172033;--muted:#6d7788;--line:#dce3ee;--primary:#1769e0;--dark:#101827}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif;font-size:14px}.sidebar{position:fixed;inset:0 auto 0 0;width:250px;background:var(--dark);color:#fff;padding:22px}.brand{font-weight:700;font-size:18px;margin-bottom:24px}.sidebar nav{display:grid;gap:6px}.sidebar a,.sidebar button{display:block;width:100%;padding:10px 12px;border:0;border-radius:8px;background:transparent;color:#dce7f7;text-align:left;text-decoration:none;cursor:pointer}.sidebar a:hover,.sidebar button:hover{background:#1f2d44}.main{margin-left:250px;padding:24px}.page-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}h1,h2,p{margin:0}h1{font-size:26px}h2{font-size:18px;margin-bottom:12px}p{color:var(--muted);margin-top:5px}.button,.primary,button{border:0;border-radius:8px;background:var(--primary);color:#fff;padding:10px 14px;font-weight:700;text-decoration:none;cursor:pointer}.panel{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:16px;margin-bottom:18px}.stats{display:grid;grid-template-columns:repeat(6,minmax(120px,1fr));gap:12px;margin-bottom:18px}.stats article{background:#fff;border:1px solid var(--line);border-radius:8px;padding:14px}.stats span{color:var(--muted)}.stats strong{display:block;font-size:26px;margin-top:8px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}table{width:100%;border-collapse:collapse}th,td{border-bottom:1px solid var(--line);padding:10px;text-align:left;vertical-align:top}th{background:#eef2f7;color:var(--muted);font-size:12px;text-transform:uppercase}a{color:var(--primary)}code,pre{background:#f0f3f8;border-radius:8px;padding:8px;white-space:pre-wrap;word-break:break-word}dl{display:grid;grid-template-columns:160px 1fr;gap:10px}dt{font-weight:700}.form-grid,.filters{display:grid;grid-template-columns:repeat(2,minmax(220px,1fr));gap:14px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:16px;margin-bottom:18px}.form-grid label{display:grid;gap:6px;font-weight:700}.form-grid .wide{grid-column:1/-1}.form-grid .check{display:flex;gap:8px;align-items:center}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:10px;background:#fff}textarea{min-height:120px}.login-page{display:grid;place-items:center;min-height:100vh}.login-card{width:min(420px,calc(100vw - 32px));background:#fff;border:1px solid var(--line);border-radius:8px;padding:24px;display:grid;gap:14px}.login-card label{display:grid;gap:6px}.alert{background:#fdeceb;color:#a52821;padding:10px;border-radius:8px}@media(max-width:900px){.sidebar{position:static;width:auto}.main{margin-left:0}.stats{grid-template-columns:1fr 1fr}.grid-2,.form-grid{grid-template-columns:1fr}}
 .helper-box{display:grid;gap:8px;background:#f7f9fc;border:1px solid var(--line);border-radius:8px;padding:12px;color:var(--muted)}.helper-box strong{color:var(--text)}.helper-box code{display:block;padding:6px}