/* hdz-para — feuille de style autonome (aucun build, aucune dépendance CDN). */

:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --border: #e3e6ea;
  --text: #1f2933;
  --muted: #6b7684;
  --primary: #2b6cb0;
  --primary-dark: #234e7d;
  --success: #2f855a;
  --warning: #b7791f;
  --danger: #c53030;
  --radius: 8px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------------------------------------------------------------- layout */
.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  height: 56px;
}
.topbar .brand { font-weight: 700; letter-spacing: -0.2px; }
.topbar .brand span { color: var(--primary); }
.topbar nav { display: flex; gap: 16px; }
.topbar nav a { color: var(--muted); font-weight: 500; }
.topbar nav a.active, .topbar nav a:hover { color: var(--text); text-decoration: none; }

.container { max-width: 1100px; margin: 24px auto; padding: 0 24px; }

.page-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; margin-bottom: 16px; flex-wrap: wrap;
}
.page-head h1 { font-size: 22px; margin: 0; }

/* ---------------------------------------------------------------- cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 16px;
}
.card > h2 {
  font-size: 15px; text-transform: uppercase; letter-spacing: 0.4px;
  color: var(--muted); margin: 0 0 12px;
}
.grid-2 { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; align-items: start; }
@media (max-width: 860px) { .grid-2 { grid-template-columns: 1fr; } }

/* ---------------------------------------------------------------- tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.3px; }
tbody tr:hover { background: #fafbfc; }
td.num, th.num { text-align: right; }

/* ---------------------------------------------------------------- forms */
label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 4px; }
input[type=text], input[type=number], input[type=date], input[type=time],
input[type=email], select, textarea {
  width: 100%; padding: 8px 10px; font: inherit; font-size: 14px;
  border: 1px solid var(--border); border-radius: 6px; background: #fff; color: var(--text);
}
textarea { min-height: 70px; resize: vertical; }
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(43,108,176,.12);
}
.field { margin-bottom: 12px; }
.fields { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.fields .full { grid-column: 1 / -1; }
@media (max-width: 640px) { .fields { grid-template-columns: 1fr; } }
.hint { color: var(--muted); font-size: 12px; margin-top: 3px; }
.check { display: flex; align-items: center; gap: 8px; }
.check input { width: auto; }
.check label { margin: 0; font-weight: 500; }

/* ---------------------------------------------------------------- buttons */
.btn {
  display: inline-block; padding: 8px 14px; border-radius: 6px; border: 1px solid transparent;
  background: var(--primary); color: #fff; font: inherit; font-size: 14px; font-weight: 600;
  cursor: pointer; text-decoration: none;
}
.btn:hover { background: var(--primary-dark); text-decoration: none; }
.btn.secondary { background: #fff; color: var(--text); border-color: var(--border); }
.btn.secondary:hover { background: #f2f4f7; }
.btn.danger { background: var(--danger); }
.btn.sm { padding: 5px 10px; font-size: 13px; }

/* ---------------------------------------------------------------- badges */
.badge {
  display: inline-block; padding: 2px 8px; border-radius: 999px;
  font-size: 12px; font-weight: 600; background: #eef1f4; color: var(--muted);
}
.badge.en_cours   { background: #e6f0fa; color: var(--primary); }
.badge.terminee   { background: #e6f4ec; color: var(--success); }
.badge.suspendue  { background: #fdf3e2; color: var(--warning); }
.badge.abandonnee { background: #fdeaea; color: var(--danger); }
.badge.present { background: #e6f4ec; color: var(--success); }
.badge.absent, .badge.annule { background: #fdeaea; color: var(--danger); }
.badge.excuse { background: #fdf3e2; color: var(--warning); }

/* ---------------------------------------------------------------- misc */
.alert { padding: 10px 12px; border-radius: 6px; margin-bottom: 16px; font-size: 14px; }
.alert.error { background: #fdeaea; color: var(--danger); border: 1px solid #f5c6c6; }
.alert.ok { background: #e6f4ec; color: var(--success); border: 1px solid #c3e6d2; }
.alert ul { margin: 6px 0 0; padding-left: 18px; }
.empty { color: var(--muted); font-size: 14px; padding: 14px 0; text-align: center; }
.meta { color: var(--muted); font-size: 13px; }
.kv { display: grid; grid-template-columns: 130px 1fr; gap: 6px 12px; font-size: 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
.filters { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.filters .field { margin: 0; min-width: 170px; }
.stat { font-size: 26px; font-weight: 700; }
.stat small { display: block; font-size: 12px; font-weight: 500; color: var(--muted); text-transform: uppercase; }

/* ---------------------------------------------------------------- login */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.login-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; width: 100%; max-width: 380px;
}
.login-brand { font-size: 22px; font-weight: 700; letter-spacing: -0.3px; }
.login-brand span { color: var(--primary); }

/* ---------------------------------------------------------------- topbar user */
.topbar .spacer { flex: 1; }
.topbar .user { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--muted); }
.topbar .user form { margin: 0; }
.linkbtn {
  background: none; border: none; padding: 0; font: inherit; font-size: 13px;
  color: var(--primary); cursor: pointer; text-decoration: underline;
}