:root {
  --bg: #f4f6f9; --card: #ffffff; --text: #1f2933; --muted: #616e7c; --line: #e4e7eb;
  --accent: #2563eb; --accent-text: #ffffff; --danger: #b42318; --ok: #067647;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.5 -apple-system, "Segoe UI", Roboto, sans-serif; }
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 12px 16px; background: var(--card); border-bottom: 1px solid var(--line); }
.brand { font-weight: 600; color: var(--text); text-decoration: none; }
.who { display: flex; align-items: center; gap: 12px; color: var(--muted); }
.who form { margin: 0; }
.page { max-width: 1100px; margin: 0 auto; padding: 24px 16px; }
h1 { font-size: 24px; margin: 0 0 8px; }
h2 { font-size: 17px; margin: 0 0 6px; }
.muted { color: var(--muted); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 18px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; margin-top: 16px; }
.login { max-width: 440px; margin: 48px auto; }
.btn { display: inline-block; border: 0; border-radius: 8px; padding: 10px 16px; cursor: pointer;
  background: var(--accent); color: var(--accent-text); font-size: 15px; text-decoration: none; }
.btn:disabled { opacity: .6; cursor: default; }
.btn-outline { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.link { background: none; border: 0; color: var(--accent); cursor: pointer; font-size: 15px; padding: 0; }
.hidden { display: none; }
.notice { padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; background: var(--card); border: 1px solid var(--line); }
.notice-error { border-color: var(--danger); color: var(--danger); }

.nav { display: flex; gap: 16px; margin-right: auto; margin-left: 24px; }
.nav a { color: var(--text); text-decoration: none; }
.nav a:hover { color: var(--accent); }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; align-items: end; margin-top: 16px; }
.form-grid label { display: flex; flex-direction: column; gap: 4px; color: var(--muted); font-size: 13px; }
.form-grid .wide { grid-column: span 2; }
.form-grid select, .form-grid input { font: inherit; color: var(--text); padding: 7px 8px; border: 1px solid var(--line); border-radius: 6px; background: #fff; }
.section { margin: 24px 0 8px; font-size: 18px; }
.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: 10px; }
table.data { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data th, table.data td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
table.data th { color: var(--muted); font-weight: 500; background: #fafbfc; }
table.data tr:last-child td { border-bottom: 0; }
table.data tr.best td { background: #ecfdf3; }
.num { font-variant-numeric: tabular-nums; }
.small { font-size: 12px; white-space: normal !important; }
.tag { display: inline-block; font-size: 11px; padding: 1px 6px; border-radius: 10px; background: #eef2ff; color: #3538cd; }
.tag-ok { background: #ecfdf3; color: var(--ok); }
@media (max-width: 640px) { .form-grid .wide { grid-column: span 1; } .nav { margin-left: 8px; gap: 10px; font-size: 14px; } }
.tag-warn { background: #fffaeb; color: #b54708; }