:root {
  --primary: #1a3a5c;
  --primary-light: #234e7a;
  --accent: #c8a84b;
  --accent-dark: #a88a38;
  --success: #1a7a4a;
  --danger: #c0392b;
  --bg: #f4f6f9;
  --card-bg: #ffffff;
  --text: #2c3e50;
  --text-muted: #6c757d;
  --border: #dde3ec;
  --radius: 10px;
  --shadow: 0 2px 12px rgba(0,0,0,.08);
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---- Header ---- */
header {
  background: var(--primary);
  color: #fff;
  padding: 0 24px;
  display: flex;
  align-items: center;
  height: 64px;
  gap: 16px;
}
header .logo { font-size: 1.2rem; font-weight: 700; color: var(--accent); text-decoration: none; flex: 1; }
header nav a {
  color: rgba(255,255,255,.85);
  text-decoration: none;
  margin-left: 20px;
  font-size: .9rem;
  transition: color .2s;
}
header nav a:hover { color: var(--accent); }
header .btn-header {
  background: var(--accent);
  color: var(--primary);
  font-weight: 600;
  padding: 7px 18px;
  border-radius: 6px;
  text-decoration: none;
  font-size: .9rem;
  margin-left: 12px;
  transition: background .2s;
}
header .btn-header:hover { background: var(--accent-dark); }

/* ---- Main ---- */
main { flex: 1; padding: 40px 24px; max-width: 960px; margin: 0 auto; width: 100%; }

/* ---- Cards ---- */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 32px;
  margin-bottom: 24px;
}
.card h2 { margin-top: 0; color: var(--primary); }

/* ---- Action tiles on landing ---- */
.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 32px;
}
.tile {
  background: var(--card-bg);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  text-decoration: none;
  color: var(--text);
  transition: border-color .2s, box-shadow .2s, transform .15s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.tile:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 20px rgba(0,0,0,.12);
  transform: translateY(-2px);
}
.tile .tile-icon { font-size: 2.4rem; }
.tile .tile-label { font-weight: 600; color: var(--primary); font-size: 1rem; }
.tile .tile-desc { font-size: .85rem; color: var(--text-muted); }

/* ---- Forms ---- */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; font-size: .9rem; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: 7px;
  font-size: .95rem;
  font-family: inherit;
  transition: border-color .2s;
  background: #fff;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}
.form-row { display: flex; gap: 16px; }
.form-row .form-group { flex: 1; }

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  padding: 11px 26px;
  border-radius: 7px;
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: background .2s, opacity .2s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-light); }
.btn-accent { background: var(--accent); color: var(--primary); }
.btn-accent:hover { background: var(--accent-dark); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-sm { padding: 6px 14px; font-size: .85rem; }
.btn-full { width: 100%; text-align: center; }

/* ---- Alerts ---- */
.alert {
  padding: 12px 16px;
  border-radius: 7px;
  margin-bottom: 18px;
  font-size: .9rem;
}
.alert-error { background: #fdf0ef; border-left: 4px solid var(--danger); color: var(--danger); }
.alert-success { background: #edfaf3; border-left: 4px solid var(--success); color: var(--success); }
.alert-info { background: #eaf2ff; border-left: 4px solid var(--primary); color: var(--primary); }

/* ---- Steps indicator ---- */
.steps {
  display: flex;
  align-items: center;
  margin-bottom: 32px;
  gap: 0;
}
.step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  position: relative;
}
.step-item:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 16px;
  left: 50%;
  width: 100%;
  height: 2px;
  background: var(--border);
  z-index: 0;
}
.step-item.done::after,
.step-item.active::after { background: var(--accent); }
.step-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--border);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .9rem;
  z-index: 1;
  position: relative;
}
.step-item.active .step-circle { background: var(--primary); color: #fff; }
.step-item.done .step-circle { background: var(--accent); color: var(--primary); }
.step-label { font-size: .75rem; color: var(--text-muted); margin-top: 4px; text-align: center; }
.step-item.active .step-label { color: var(--primary); font-weight: 600; }

/* ---- Table ---- */
table { width: 100%; border-collapse: collapse; }
th { background: var(--bg); text-align: left; padding: 10px 12px; font-size: .85rem; color: var(--text-muted); border-bottom: 1.5px solid var(--border); }
td { padding: 12px; border-bottom: 1px solid var(--border); font-size: .9rem; }
tr:hover td { background: #f8fafc; }

/* ---- Badges ---- */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: .78rem;
  font-weight: 600;
}
.badge-pending { background: #fff3cd; color: #856404; }
.badge-approved { background: #d1f0e0; color: var(--success); }
.badge-rejected { background: #fde8e8; color: var(--danger); }

/* ---- Footer ---- */
footer {
  background: var(--primary);
  color: rgba(255,255,255,.6);
  text-align: center;
  padding: 16px;
  font-size: .82rem;
}

/* ---- Responsive ---- */
@media (max-width: 600px) {
  main { padding: 20px 16px; }
  .card { padding: 20px 16px; }
  .form-row { flex-direction: column; gap: 0; }
  header { padding: 0 16px; }
  header nav { display: none; }
}