:root {
  --primary: #4F46E5;
  --primary-dark: #4338CA;
  --bg: #F8FAFC;
  --card: #FFFFFF;
  --text: #0F172A;
  --muted: #64748B;
  --border: #E2E8F0;
  --green: #10B981;
  --yellow: #F59E0B;
  --red: #EF4444;
  --radius: 14px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', -apple-system, system-ui, sans-serif; background: var(--bg); color: var(--text); font-size: 15px; }
a { color: var(--primary); text-decoration: none; }
h1 { font-size: 26px; } h2 { font-size: 20px; margin-bottom: 14px; } h3 { font-size: 16px; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* nav */
.topbar { background: var(--card); border-bottom: 1px solid var(--border); padding: 14px 0; position: sticky; top: 0; z-index: 10; }
.topbar .container { display: flex; align-items: center; justify-content: space-between; }
.logo { font-size: 20px; font-weight: 800; color: var(--primary); letter-spacing: -0.5px; }
.logo span { color: var(--text); }

/* buttons & forms */
.btn { display: inline-block; background: var(--primary); color: #fff; border: none; padding: 11px 20px; border-radius: 10px; font-size: 14px; font-weight: 600; cursor: pointer; transition: background .15s; }
.btn:hover { background: var(--primary-dark); }
.btn.secondary { background: #EEF2FF; color: var(--primary); }
.btn.danger { background: #FEF2F2; color: var(--red); }
.btn.small { padding: 7px 14px; font-size: 13px; }
input, select, textarea { width: 100%; padding: 11px 14px; border: 1px solid var(--border); border-radius: 10px; font-size: 14px; font-family: inherit; background: #fff; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary); border-color: transparent; }
label { display: block; font-size: 13px; font-weight: 600; margin: 12px 0 5px; color: var(--muted); }

/* cards */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.grid { display: grid; gap: 16px; }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }

/* stats */
.stat { text-align: left; }
.stat .value { font-size: 28px; font-weight: 800; margin-top: 4px; }
.stat .label { color: var(--muted); font-size: 13px; font-weight: 600; }

/* tabs */
.tabs { display: flex; gap: 4px; margin: 22px 0; background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 5px; overflow-x: auto; }
.tabs button { flex: 1; background: none; border: none; padding: 10px 14px; border-radius: 9px; font-size: 14px; font-weight: 600; color: var(--muted); cursor: pointer; white-space: nowrap; }
.tabs button.active { background: var(--primary); color: #fff; }

/* table */
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: 12px; text-transform: uppercase; color: var(--muted); padding: 10px 12px; border-bottom: 1px solid var(--border); }
td { padding: 12px; border-bottom: 1px solid #F1F5F9; font-size: 14px; }
tr:hover td { background: #F8FAFC; }

/* badges */
.badge { display: inline-block; padding: 4px 10px; border-radius: 99px; font-size: 12px; font-weight: 700; }
.badge.actif { background: #ECFDF5; color: var(--green); }
.badge.a_risque { background: #FFFBEB; color: var(--yellow); }
.badge.inactif { background: #FEF2F2; color: var(--red); }

/* modal */
.modal-bg { position: fixed; inset: 0; background: rgba(15,23,42,.5); display: none; align-items: center; justify-content: center; z-index: 50; padding: 20px; }
.modal-bg.open { display: flex; }
.modal { background: #fff; border-radius: 16px; padding: 26px; width: 100%; max-width: 460px; max-height: 90vh; overflow-y: auto; }
.modal h3 { margin-bottom: 10px; }

.muted { color: var(--muted); font-size: 13px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
.mt { margin-top: 18px; }
.alert { padding: 12px 16px; border-radius: 10px; font-size: 14px; margin: 12px 0; display: none; }
.alert.error { background: #FEF2F2; color: var(--red); display: block; }
.alert.success { background: #ECFDF5; color: var(--green); display: block; }

/* landing */
.hero { text-align: center; padding: 80px 20px 50px; }
.hero h1 { font-size: 40px; letter-spacing: -1px; max-width: 640px; margin: 0 auto 16px; }
.hero p { color: var(--muted); font-size: 17px; max-width: 520px; margin: 0 auto 28px; }
.features { padding: 30px 0 70px; }
.feature { padding: 22px; }
.feature .emoji { font-size: 28px; }
.feature h3 { margin: 10px 0 6px; }
.feature p { color: var(--muted); font-size: 14px; line-height: 1.5; }

@media (max-width: 640px) {
  .hero h1 { font-size: 29px; }
  .hide-mobile { display: none; }
}