:root {
  --bg:#f5f7fb; --panel:#fff; --border:#dce3ef; --text:#10203a; --muted:#667a99;
  --primary:#173b7a; --accent:#1f8b4c; --danger:#b32424; --warning:#fff4dd;
}
* { box-sizing:border-box; }
body { margin:0; font-family:Arial, sans-serif; background:var(--bg); color:var(--text); }
a { color:var(--primary); text-decoration:none; }
.topbar { display:flex; justify-content:space-between; align-items:center; padding:16px 24px; background:#0f1d35; color:#fff; position:sticky; top:0; z-index:5; }
.nav a { color:#fff; margin-left:14px; }
.container { max-width:1360px; margin:20px auto; padding:0 16px 40px; }
.panel { background:var(--panel); border:1px solid var(--border); border-radius:16px; padding:18px; margin-bottom:18px; box-shadow:0 1px 2px rgba(0,0,0,.04); }
.panel-compact { padding:12px 16px; }
.panel-title { font-weight:700; margin-bottom:12px; }
.cards { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-bottom:18px; }
.card { background:#fff; border:1px solid var(--border); border-radius:16px; padding:18px; }
.big { font-size:32px; font-weight:700; }
.grid { display:grid; grid-template-columns:repeat(2,1fr); gap:12px; }
.grid-2 { display:grid; grid-template-columns:1.3fr 1fr; gap:18px; }
.grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.grid-4 { display:grid; grid-template-columns:repeat(4,1fr); gap:12px; }
label { display:block; font-size:14px; font-weight:600; margin-bottom:10px; }
input, textarea, select { width:100%; margin-top:6px; padding:10px 12px; border:1px solid var(--border); border-radius:10px; background:#fff; }
.checkbox { display:flex; align-items:center; gap:8px; font-weight:500; }
.checkbox input { width:auto; margin:0; }
.btn { display:inline-block; border:1px solid var(--border); background:#fff; color:var(--text); padding:10px 14px; border-radius:10px; cursor:pointer; }
.btn-primary { background:var(--primary); color:#fff; border-color:var(--primary); }
.btn-danger { background:var(--danger); color:#fff; border-color:var(--danger); }
.btn-small { padding:6px 10px; font-size:12px; }
.table { width:100%; border-collapse:collapse; font-size:14px; }
.table th, .table td { padding:10px 8px; border-top:1px solid var(--border); vertical-align:top; }
.table th { text-align:left; background:#f7f9fc; }
.timeline { list-style:none; padding:0; margin:0; }
.timeline li { padding:8px 0; border-top:1px solid var(--border); }
.compact-list li { padding:10px 0; }
.muted { color:var(--muted); font-size:13px; }
.text-light { color:#d2d9e5; }
.badge { display:inline-block; min-width:20px; padding:1px 6px; font-size:12px; border-radius:999px; background:#edf2ff; color:var(--primary); }
.alert { background:var(--warning); border:1px solid #f2d08e; border-radius:10px; padding:10px 12px; margin-bottom:12px; }
.success { background:#e9f7ef; border:1px solid #b9e3c8; border-radius:10px; padding:10px 12px; }
.danger-box { background:#fde9e9; border:1px solid #f3b6b6; border-radius:10px; padding:10px 12px; }
.small-list-row { display:flex; justify-content:space-between; gap:12px; padding:8px 0; border-top:1px solid var(--border); }
.item-row { display:grid; grid-template-columns:2fr 1fr 1fr; gap:10px; margin-bottom:10px; }
.filterbar { display:flex; gap:10px; align-items:center; flex-wrap:wrap; }
.login-shell { min-height:80vh; display:grid; place-items:center; }
.login-card { width:min(420px, 100%); }
.login-logo, .splash-logo { max-height:90px; width:auto; margin:0 auto 10px; display:block; }
.upload-form { display:grid; grid-template-columns:1fr 1fr 1fr auto; gap:10px; margin-bottom:10px; }
.splash { position:fixed; inset:0; background:#0f1d35; display:grid; place-items:center; z-index:9999; opacity:1; transition:opacity .35s ease; }
.splash.hide { opacity:0; pointer-events:none; }
.splash-card { text-align:center; color:#fff; }
.splash-title { font-size:26px; font-weight:700; }
.inline-form { display:flex; gap:8px; align-items:center; margin-top:8px; }
.action-row { display:flex; gap:10px; flex-wrap:wrap; }
.mt-12 { margin-top:12px; }
hr { border:none; border-top:1px solid var(--border); margin:16px 0; }
code { word-break:break-all; font-size:12px; }
@media (max-width: 1100px) {
  .grid-4 { grid-template-columns:repeat(2,1fr); }
}
@media (max-width: 900px) {
  .cards, .grid, .grid-2, .grid-3, .grid-4, .upload-form, .item-row { grid-template-columns:1fr; }
  .topbar { display:block; }
  .nav { margin-top:10px; }
  .inline-form, .action-row { flex-direction:column; align-items:stretch; }
}