:root {
  --navy: #0b3d63;
  --navy-dark: #082c47;
  --accent: #1d7a4c;
  --danger: #b23b3b;
  --warning: #c9822a;
  --bg: #f4f6f8;
  --card: #ffffff;
  --border: #dde3e8;
  --text: #1e2a33;
  --muted: #6b7a86;
}
* { 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(--navy);
  color: #fff;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
header.topbar .brand {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 12px;
}
header.topbar .brand img {
  height: 38px;
  width: auto;
  background: #fff;
  border-radius: 6px;
  padding: 3px;
}
header.topbar .brand small {
  display: block;
  font-weight: 400;
  font-size: 11px;
  color: #cfe0ee;
}
.login-card .login-logo {
  display: block;
  height: 64px;
  width: auto;
  margin: 0 auto 16px;
}
nav.mainnav {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
nav.mainnav a {
  color: #e6eef5;
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 14px;
}
nav.mainnav a:hover { background: var(--navy-dark); }
.userbox { display: flex; align-items: center; gap: 12px; font-size: 13px; }
.userbox a { color: #fff; }
.container { max-width: 1080px; margin: 24px auto; padding: 0 16px; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
}
.card h2 { margin-top: 0; font-size: 17px; color: var(--navy); }
.card h3 { font-size: 15px; color: var(--navy); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 720px) { .grid-2 { grid-template-columns: 1fr; } }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.4px; }
tr:hover td { background: #fafcfd; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge-pending { background: #fbeecb; color: var(--warning); }
.badge-approved { background: #dcf0e4; color: var(--accent); }
.badge-rejected { background: #f6dede; color: var(--danger); }
.btn { display: inline-block; border: none; border-radius: 6px; padding: 9px 16px; font-size: 14px; font-weight: 600; cursor: pointer; text-decoration: none; }
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--navy-dark); }
.btn-approve { background: var(--accent); color: #fff; }
.btn-reject { background: var(--danger); color: #fff; }
.btn-secondary { background: #e8edf1; color: var(--text); }
.btn-sm { padding: 5px 10px; font-size: 12px; }
form.inline { display: inline; }
label { display: block; font-size: 13px; font-weight: 600; margin: 12px 0 4px; color: var(--muted); }
input, select, textarea {
  width: 100%; padding: 9px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; font-family: inherit;
}
textarea { resize: vertical; min-height: 70px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 720px) { .form-row { grid-template-columns: 1fr; } }
.actions { margin-top: 18px; display: flex; gap: 10px; }
.flash { padding: 12px 16px; border-radius: 8px; margin-bottom: 18px; font-size: 14px; }
.flash-ok { background: #dcf0e4; color: var(--accent); }
.flash-err { background: #f6dede; color: var(--danger); }
.muted { color: var(--muted); font-size: 13px; }
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--navy), var(--navy-dark)); }
.login-card { background: #fff; padding: 36px; border-radius: 12px; width: 360px; box-shadow: 0 10px 40px rgba(0,0,0,0.25); }
.login-card h1 { font-size: 18px; color: var(--navy); margin-bottom: 4px; }
.login-card p.sub { color: var(--muted); font-size: 13px; margin-top: 0; margin-bottom: 20px; }
.demo-box { margin-top: 18px; font-size: 12px; color: var(--muted); background: #f4f6f8; padding: 10px; border-radius: 8px; line-height: 1.6; }
.stat { display: flex; gap: 20px; flex-wrap: wrap; }
.stat .item { background: #f4f6f8; border-radius: 8px; padding: 14px 18px; min-width: 140px; }
.stat .item .num { font-size: 24px; font-weight: 700; color: var(--navy); }
.stat .item .label { font-size: 12px; color: var(--muted); }
.empty { color: var(--muted); font-size: 14px; padding: 12px 0; }
.detail-grid { display: grid; grid-template-columns: 160px 1fr; row-gap: 10px; font-size: 14px; }
.detail-grid dt { color: var(--muted); font-weight: 600; }
.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li { padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 13px; }
footer.footer { text-align: center; color: var(--muted); font-size: 12px; padding: 30px 0; }