:root {
  --bg: #f3f6fc;
  --card: #ffffff;
  --text: #0b1f4d;
  --muted: #5b6b8c;
  --primary: #1558d6;
  --border: #d9e2f3;
  --danger: #c62828;
  --header: #0b1f4d;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a1330;
    --card: #14214a;
    --text: #e8eeff;
    --muted: #9fb0d6;
    --primary: #5b8cff;
    --border: #2a3a6b;
    --danger: #ff8a80;
    --header: #050b1f;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

/* Top bar */
.top {
  background: var(--header);
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  position: sticky;
  top: 0;
  z-index: 5;
}
.logo { height: 38px; background: #fff; border-radius: 6px; padding: 2px 6px; cursor: pointer; }
.who {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  font-size: 12px;
  line-height: 1.25;
  cursor: pointer;
}
.who small { opacity: 0.8; }
.photo {
  width: 64px; height: 64px; border-radius: 50%; object-fit: cover; background: var(--border);
  display: flex; align-items: center; justify-content: center;
}
.who .photo { width: 34px; height: 34px; color: #0b1f4d; font-weight: 800; }

/* Tabs */
nav { display: flex; gap: 4px; padding: 8px 8px 0; overflow-x: auto; }
nav button {
  flex: 1; white-space: nowrap; background: none; border: 0; border-bottom: 3px solid transparent;
  color: var(--muted); font: 600 14px inherit; font-family: inherit; padding: 8px 10px; cursor: pointer;
}
nav button.on { color: var(--primary); border-color: var(--primary); }

main { padding: 12px; max-width: 960px; margin: auto; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 14px; margin-bottom: 12px; }
.card.highlight { border: 2px solid var(--primary); }
h2 { margin: 0 0 8px; font-size: 18px; }
h3 { margin: 0 0 6px; font-size: 15px; }
.muted { color: var(--muted); font-size: 13px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; }
.stat { cursor: pointer; border-left: 4px solid var(--primary); }
.stat b { font-size: 26px; display: block; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.grow { flex: 1; min-width: 120px; }

/* Forms */
input, select, textarea {
  width: 100%; font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--border); border-radius: 8px; padding: 9px; margin: 3px 0 8px;
}
label { font-size: 13px; color: var(--muted); font-weight: 600; }
.btn {
  background: var(--primary); color: #fff; border: 0; border-radius: 8px; padding: 10px 16px;
  font: 600 15px inherit; font-family: inherit; cursor: pointer; display: inline-block; text-decoration: none; text-align: center;
}
.btn.outline { background: none; color: var(--primary); border: 1px solid var(--primary); }
.btn.danger { background: var(--danger); color: #fff; }
.btn.big { width: 100%; font-size: 18px; padding: 14px; }
.btn.small { padding: 6px 12px; font-size: 13px; }

/* Tables */
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--border); white-space: nowrap; }
td select { margin: 0; padding: 4px; }

#toast {
  display: none; position: fixed; left: 12px; right: 12px; bottom: 14px; z-index: 9;
  background: var(--text); color: var(--bg); padding: 12px; border-radius: 8px;
}
.error { color: var(--danger); min-height: 1.2em; }
hr { border: 0; border-top: 1px solid var(--border); margin: 12px 0; }
.btn:disabled{opacity:.45;cursor:not-allowed}