:root {
  --navy: #1f3a5f;
  --accent: #2f7d4f;
  --bg: #f4f6f9;
  --card: #ffffff;
  --line: #dfe4ea;
  --muted: #6b7480;
  --danger: #c0392b;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: #1c2530;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.topbar {
  background: var(--navy);
  color: #fff;
  padding: 12px 18px;
}
.topbar .brand { color: #fff; font-weight: 700; text-decoration: none; font-size: 1.05rem; }

.wrap { width: 100%; max-width: 640px; margin: 0 auto; padding: 22px 18px; flex: 1; }
.foot { text-align: center; padding: 16px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 18px;
}
.card.center { text-align: center; }
.card.narrow { max-width: 440px; margin: 30px auto; }
h1 { margin: 0 0 12px; font-size: 1.45rem; color: var(--navy); }
h2 { margin: 22px 0 10px; color: var(--navy); font-size: 1.1rem; }
p.lead { color: #3a4756; margin-top: 0; font-size: 1.02rem; }

fieldset { border: 1px solid var(--line); border-radius: 10px; padding: 8px 16px 18px; margin: 0 0 18px; }
legend { font-weight: 700; color: var(--navy); padding: 0 8px; font-size: .95rem; }

label { display: block; font-weight: 600; font-size: .88rem; margin: 12px 0 0; color: #333; }
input[type=text], input[type=date], input[type=password], input:not([type]) {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 1rem;
  margin-top: 5px;
  font-family: inherit;
}
.row { display: flex; gap: 14px; flex-wrap: wrap; }
.row.spread { justify-content: space-between; align-items: baseline; }
.col { flex: 1; min-width: 140px; }

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 13px 22px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 9px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  margin-top: 18px;
}
.btn-primary:hover { background: #266b43; }
.btn-secondary {
  background: #eef2f7;
  color: var(--navy);
  border: 1px solid var(--line);
  padding: 10px 16px;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  font-size: .92rem;
  display: inline-block;
}
.btn-secondary:hover { background: #e2e8f0; }

.muted { color: var(--muted); }
.small { font-size: .82rem; }
.mt { margin-top: 18px; }
a { color: var(--navy); }

.flash { padding: 12px 16px; border-radius: 8px; margin-bottom: 14px; background: #fff8e1; border: 1px solid #ffe082; }
.flash-error { background: #fdecea; color: var(--danger); border: 1px solid #f5c6cb; }

.logbox { max-height: 420px; overflow: auto; border: 1px solid var(--line); border-radius: 8px; }
table.log { width: 100%; border-collapse: collapse; font-size: .82rem; }
table.log th, table.log td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
table.log th { position: sticky; top: 0; background: #f7f9fb; color: var(--muted); text-transform: uppercase; font-size: .72rem; letter-spacing: .03em; }
code { background: #eef2f7; padding: 1px 5px; border-radius: 4px; font-size: .85em; }

@media (max-width: 480px) {
  .row { flex-direction: column; gap: 0; }
}