:root {
  --blue-deep: #2A4F9E;
  --cyan: #3DA7B9;
  --paper: #F6F8FA;
  --ink: #1B2333;
  --muted: #6B7686;
  --border: #E1E6EC;
  --danger: #E9028C;
  --ok: #2E9E5B;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Nunito', 'Segoe UI', sans-serif;
  background: var(--paper);
  color: var(--ink);
}

header.topbar {
  background: linear-gradient(135deg, var(--blue-deep), var(--cyan));
  color: #fff;
  padding: 18px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header.topbar h1 {
  font-size: 1.3rem;
  margin: 0;
  font-weight: 800;
}

nav.tabs {
  display: flex;
  gap: 6px;
}

nav.tabs a {
  color: #fff;
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.92rem;
  opacity: 0.85;
}

nav.tabs a.active, nav.tabs a:hover {
  background: rgba(255,255,255,0.18);
  opacity: 1;
}

main {
  max-width: 1100px;
  margin: 28px auto;
  padding: 0 20px;
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  margin-bottom: 22px;
  box-shadow: 0 1px 3px rgba(20,30,60,0.04);
}

.card h2 {
  margin-top: 0;
  font-size: 1.05rem;
  color: var(--blue-deep);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
}

.stat {
  background: var(--paper);
  border-radius: 10px;
  padding: 14px 16px;
  text-align: center;
}

.stat .num {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--blue-deep);
}

.stat .label {
  font-size: 0.8rem;
  color: var(--muted);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

th, td {
  text-align: left;
  padding: 9px 10px;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--muted);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

tr:hover td { background: #FAFBFD; }

form.inline-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  align-items: end;
}

label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--muted);
  display: block;
  margin-bottom: 4px;
}

input, select, textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.92rem;
}

button, .btn {
  background: var(--blue-deep);
  color: #fff;
  border: none;
  padding: 9px 16px;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
  font-size: 0.9rem;
  text-decoration: none;
  display: inline-block;
}

button:hover, .btn:hover { background: var(--cyan); }

.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #c2016f; }

.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
}

.badge-annuel { background: #E7F0FF; color: var(--blue-deep); }
.badge-maladie { background: #FFE9F5; color: var(--danger); }
.badge-exceptionnel { background: #FFF4D9; color: #9A6B00; }
.badge-sans_solde { background: #EEE; color: var(--muted); }

.balance-low { color: var(--danger); font-weight: 800; }
.balance-ok { color: var(--ok); font-weight: 800; }

.empty-state {
  text-align: center;
  color: var(--muted);
  padding: 30px 0;
}

.actions a { margin-right: 10px; font-size: 0.85rem; }