:root {
  --navy: #123c5a;
  --navy-dark: #0d2c43;
  --gold: #c7a24b;
  --gold-dark: #a9863a;
  --bg: #f4f6f8;
  --card: #ffffff;
  --text: #22303c;
  --muted: #5c6b78;
  --border: #d7dee4;
  --error: #b3261e;
  --error-bg: #fdecea;
  --ok: #1e7a46;
  --radius: 10px;
  --shadow: 0 2px 10px rgba(18, 60, 90, .08);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
}

/* Header / footer */
.site-header {
  background: var(--navy);
  padding: 16px 20px;
  display: flex;
  justify-content: center;
}
.site-header .logo { height: 88px; width: auto; display: block; }
.brand { display: inline-block; }
.site-footer {
  text-align: center;
  color: var(--muted);
  padding: 28px 20px;
  font-size: .9rem;
}
.site-footer p { margin: 4px 0; }
.rgpd-link a { color: var(--navy); }

.wrap { max-width: 820px; margin: 0 auto; padding: 28px 20px 40px; }

h1 { color: var(--navy); font-size: 1.8rem; margin: .2em 0 .4em; }
h2 { color: var(--navy); }
a { color: var(--gold-dark); }

.lead { font-size: 1.1rem; color: var(--muted); }
.intro { margin-bottom: 24px; }

/* Cartes collèges */
.colleges { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.college-card {
  display: flex; flex-direction: column;
  background: var(--card);
  border: 1px solid var(--border);
  border-top: 4px solid var(--gold);
  border-radius: var(--radius);
  padding: 20px 22px;
  text-decoration: none;
  color: var(--text);
  box-shadow: var(--shadow);
  transition: transform .12s ease, box-shadow .12s ease;
}
.college-card:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(18,60,90,.14); }
.college-card .num { color: var(--gold-dark); font-weight: 700; font-size: .85rem; text-transform: uppercase; letter-spacing: .04em; }
.college-card h2 { margin: 6px 0 4px; font-size: 1.2rem; }
.college-card .effectif { color: var(--muted); font-weight: 600; margin: 0 0 8px; font-size: .9rem; }
.college-card .desc { color: var(--muted); font-size: .93rem; flex: 1; }
.college-card .cta { margin-top: 12px; color: var(--navy); font-weight: 700; }

.mention-papier {
  margin-top: 26px;
  background: #fff8e8;
  border: 1px solid var(--gold);
  border-radius: var(--radius);
  padding: 14px 18px;
  font-size: .95rem;
  color: #6b5417;
}

/* Formulaire */
.back { display: inline-block; margin-bottom: 12px; color: var(--navy); text-decoration: none; }
.form-intro .num { color: var(--gold-dark); font-weight: 700; text-transform: uppercase; font-size: .85rem; }
.form-intro .desc { color: var(--muted); }
.form-intro .charte a { font-weight: 600; }

.fieldset {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin: 18px 0;
  box-shadow: var(--shadow);
}
.fieldset > h2 { margin-top: 0; font-size: 1.15rem; border-bottom: 2px solid var(--gold); padding-bottom: 8px; }

.field { margin: 14px 0; }
.field > label { display: block; font-weight: 600; margin-bottom: 5px; }
.req { color: var(--error); }
.help { margin: 0 0 6px; color: var(--muted); font-size: .88rem; }

input[type=text], input[type=tel], input[type=email], input[type=date], textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
  color: var(--text);
  background: #fff;
}
input:focus, textarea:focus { outline: 2px solid var(--navy); border-color: var(--navy); }
textarea { resize: vertical; }

.radio-group { display: grid; gap: 6px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.radio, .checkbox label { display: flex; align-items: flex-start; gap: 8px; font-weight: 400; cursor: pointer; }
.radio input, .checkbox input { margin-top: 4px; flex: none; }

.charcount { margin: 4px 0 0; font-size: .82rem; color: var(--muted); text-align: right; }
.charcount.over { color: var(--error); font-weight: 700; }

.consent .checkbox { margin: 12px 0; }
.field.has-error input, .field.has-error textarea { border-color: var(--error); background: var(--error-bg); }
.error-msg { color: var(--error); font-size: .85rem; margin: 5px 0 0; font-weight: 600; }

.alert { padding: 14px 18px; border-radius: var(--radius); margin: 16px 0; }
.alert-error { background: var(--error-bg); border: 1px solid var(--error); color: #7a1a15; }

.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 8px; border: 2px solid transparent;
  font: inherit; font-weight: 700; cursor: pointer; text-decoration: none; text-align: center;
}
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--navy-dark); }
.btn-ghost { background: #fff; color: var(--navy); border-color: var(--navy); }
.btn-ghost:hover { background: #eef3f7; }

/* Honeypot caché */
.hp { position: absolute; left: -9999px; height: 0; overflow: hidden; }

/* Confirmation */
.confirm { text-align: center; background: var(--card); border-radius: var(--radius); padding: 40px 24px; box-shadow: var(--shadow); }
.confirm-icon {
  width: 68px; height: 68px; line-height: 68px; border-radius: 50%;
  background: var(--ok); color: #fff; font-size: 2rem; margin: 0 auto 14px;
}

/* Contenu légal */
.legal h2 { font-size: 1.1rem; margin-top: 22px; }

/* Back-office */
.admin-bar { background: var(--navy); color: #fff; padding: 12px 20px; display: flex; justify-content: space-between; align-items: center; }
.admin-bar a { color: #fff; }
table.data { width: 100%; border-collapse: collapse; background: #fff; box-shadow: var(--shadow); border-radius: var(--radius); overflow: hidden; }
table.data th, table.data td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); font-size: .92rem; }
table.data th { background: var(--navy); color: #fff; }
table.data tr:hover td { background: #f0f5f9; }
.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin: 18px 0; }
.tab { padding: 8px 14px; border-radius: 8px; background: #fff; border: 1px solid var(--border); text-decoration: none; color: var(--navy); font-weight: 600; }
.tab.active { background: var(--navy); color: #fff; }
.detail-grid { display: grid; grid-template-columns: 200px 1fr; gap: 6px 16px; background: #fff; padding: 20px; border-radius: var(--radius); box-shadow: var(--shadow); }
.detail-grid dt { font-weight: 700; color: var(--navy); }
.detail-grid dd { margin: 0; }
.login-box { max-width: 380px; margin: 40px auto; background: #fff; padding: 28px; border-radius: var(--radius); box-shadow: var(--shadow); }

@media (max-width: 560px) {
  .site-header .logo { height: 66px; }
  .detail-grid { grid-template-columns: 1fr; }
}

/* Impression */
@media print {
  .site-header, .site-footer, .actions, .back, .mention-papier, .admin-bar, .tabs { display: none !important; }
  body { background: #fff; }
  .fieldset, .confirm, table.data { box-shadow: none; border: 1px solid #999; }
  a { color: #000; text-decoration: none; }
}