:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --border: #dfe3e8;
  --text: #1f2733;
  --muted: #626c7a;
  --primary: #2a5d8f;
  --primary-dark: #1e4468;
  --danger: #b3261e;
  --danger-bg: #fdecea;
  --warn: #8a5a00;
  --warn-bg: #fff5df;
  --ok: #1e6b3c;
  --ok-bg: #e8f5ec;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}
header.topbar {
  background: var(--primary-dark);
  color: #fff;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
header.topbar a { color: #fff; text-decoration: none; }
header.topbar nav a { margin-right: 1rem; opacity: 0.9; }
header.topbar nav a:hover { opacity: 1; text-decoration: underline; }
main { max-width: 1100px; margin: 1.5rem auto; padding: 0 1rem 3rem; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.15rem; margin-top: 2rem; }
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 0.5rem 0.6rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: #f0f2f5; font-weight: 600; }
tr:hover td { background: #fafbfc; }
.badge { display: inline-block; padding: 0.15rem 0.55rem; border-radius: 999px; font-size: 0.78rem; font-weight: 600; }
.badge-ok { background: var(--ok-bg); color: var(--ok); }
.badge-warn { background: var(--warn-bg); color: var(--warn); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-muted { background: #eceff2; color: var(--muted); }
a.button, button, input[type=submit] {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  font-size: 0.92rem;
}
a.button:hover, button:hover { background: var(--primary-dark); }
button.secondary, a.button.secondary { background: #fff; color: var(--primary); border: 1px solid var(--primary); }
button.danger { background: var(--danger); }
label { display: block; font-weight: 600; margin: 0.6rem 0 0.25rem; font-size: 0.88rem; }
input[type=text], input[type=password], input[type=email], input[type=date], input[type=number], input[type=file], select, textarea {
  width: 100%; padding: 0.45rem 0.6rem; border: 1px solid var(--border); border-radius: 5px; font-size: 0.92rem;
}
.flash { padding: 0.7rem 1rem; border-radius: 6px; margin-bottom: 1rem; }
.flash-error { background: var(--danger-bg); color: var(--danger); }
.flash-success { background: var(--ok-bg); color: var(--ok); }
.muted { color: var(--muted); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.week-nav { display: flex; gap: 0.5rem; align-items: center; margin-bottom: 1rem; flex-wrap: wrap; }
.day-card { display: flex; justify-content: space-between; align-items: center; padding: 0.75rem; border: 1px solid var(--border); border-radius: 6px; margin-bottom: 0.5rem; }
footer.disclaimer { max-width: 1100px; margin: 2rem auto; padding: 0 1rem; font-size: 0.78rem; color: var(--muted); }
@media (max-width: 700px) {
  .grid-2 { grid-template-columns: 1fr; }
  table, thead, tbody, th, td, tr { display: block; }
  thead { display: none; }
  td { border-bottom: none; padding: 0.2rem 0; }
  tr { border-bottom: 1px solid var(--border); padding-bottom: 0.5rem; margin-bottom: 0.5rem; }
  td::before { content: attr(data-label) ": "; font-weight: 600; }
}