:root {
    --bg: #f4f6f8;
    --card: #ffffff;
    --text: #17202a;
    --muted: #6b7280;
    --border: #d9dee5;
    --primary: #1f3a5f;
    --danger: #b42318;
    --warn: #b54708;
    --ok: #027a48;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Arial, sans-serif; background: var(--bg); color: var(--text); }
.topbar { background: var(--primary); color: white; padding: 14px 22px; display: flex; justify-content: space-between; gap: 20px; align-items: center; flex-wrap: wrap; }
.topbar span { color: #c8d4e3; margin-left: 8px; font-size: 13px; }
.topbar nav { display: flex; gap: 10px; flex-wrap: wrap; }
.topbar a { color: white; text-decoration: none; padding: 7px 9px; border-radius: 6px; font-size: 14px; }
.topbar a.active, .topbar a:hover { background: rgba(255,255,255,.16); }
.container { max-width: 1280px; margin: 24px auto; padding: 0 18px; }
h1 { margin-top: 0; }
.grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px; box-shadow: 0 1px 2px rgba(0,0,0,.04); }
.card .label { color: var(--muted); font-size: 13px; }
.card .value { font-size: 25px; font-weight: 700; margin-top: 6px; }
.table-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; margin-top: 18px; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; font-size: 14px; }
th { background: #f8fafc; color: #374151; }
tr:last-child td { border-bottom: 0; }
.num { text-align: right; white-space: nowrap; }
.badge { display: inline-block; padding: 4px 8px; border-radius: 99px; font-size: 12px; background: #eef2ff; }
.badge.danger { background: #fee4e2; color: var(--danger); }
.badge.warn { background: #fef0c7; color: var(--warn); }
.badge.ok { background: #dcfae6; color: var(--ok); }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin: 14px 0; }
.btn, button { background: var(--primary); color: white; padding: 9px 12px; border: 0; border-radius: 8px; text-decoration: none; cursor: pointer; }
.btn.secondary { background: #475467; }
.form-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px; margin: 16px 0; }
label { display: block; font-weight: 600; margin: 10px 0 5px; }
input, select { width: 100%; max-width: 480px; padding: 9px; border: 1px solid var(--border); border-radius: 8px; }
.notice { border-left: 4px solid var(--primary); background: #eef4ff; padding: 12px; margin: 14px 0; }
.error { border-left-color: var(--danger); background: #fff1f0; }
.footer { color: var(--muted); text-align: center; padding: 30px; font-size: 13px; }
@media (max-width: 900px) { .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .grid { grid-template-columns: 1fr; } .topbar { align-items: flex-start; } }