:root {
  --navy: #1F4E79;
  --blue: #2E75B6;
  --ice: #D6E4F0;
  --bg: #f4f6f8;
  --text: #1a1a1a;
  --muted: #5b6770;
  --ok: #1b7f4e;
  --warn: #8a6d00;
  --err: #a32020;
  --line: #d0d7de;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.45 "Segoe UI", Arial, sans-serif; }
a { color: var(--blue); }
header {
  background: var(--navy); color: #fff; padding: 12px 18px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
header .brand { font-weight: 700; letter-spacing: .02em; }
header nav { display: flex; gap: 14px; flex-wrap: wrap; }
header nav a { color: #fff; text-decoration: none; opacity: .9; }
header nav a:hover { opacity: 1; text-decoration: underline; }
main { max-width: 1100px; margin: 20px auto; padding: 0 16px 48px; }
h1 { font-size: 1.25rem; margin: 0 0 12px; color: var(--navy); }
.card { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 16px; margin-bottom: 16px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; }
label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; }
input, select, textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px;
  font: inherit; background: #fff;
}
.field { min-width: 140px; flex: 1; }
.field.narrow { flex: 0 0 120px; min-width: 110px; }
button, .btn {
  background: var(--navy); color: #fff; border: 0; border-radius: 8px;
  padding: 10px 16px; font: inherit; cursor: pointer; text-decoration: none; display: inline-block;
}
button.secondary, .btn.secondary { background: var(--blue); }
button.ghost, .btn.ghost { background: #fff; color: var(--navy); border: 1px solid var(--navy); }
button.danger { background: var(--err); }
.muted { color: var(--muted); font-size: 13px; }
.banner { padding: 10px 12px; border-radius: 8px; margin-bottom: 12px; }
.banner.warn { background: #fff6d6; color: var(--warn); }
.banner.ok { background: #e5f6ec; color: var(--ok); }
.banner.err { background: #fde8e8; color: var(--err); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; background: var(--navy); color: #fff; padding: 8px; font-weight: 600; }
td { padding: 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr:nth-child(even) td { background: #f7fafc; }
.totals { font-weight: 700; }
.login { max-width: 380px; margin: 10vh auto; }
.daynav { display: flex; gap: 8px; align-items: center; margin-bottom: 12px; }
@media (max-width: 640px) {
  .field.narrow { flex: 1 1 100%; }
  table { font-size: 13px; }
  header { padding: 10px 12px; }
}