:root {
  --bg: #f1f3f7;
  --panel: #ffffff;
  --border: #e1e5ec;
  --border-strong: #cbd2de;
  --text: #1b2233;
  --muted: #6b7385;
  --accent: #3763e8;
  --accent-dark: #2748c4;
  --accent-soft: #eaefff;
  --ok: #17824f;
  --ok-soft: #e5f6ee;
  --warn: #b4650a;
  --warn-soft: #fef1e2;
  --danger: #c0392b;
  --danger-soft: #fdeceb;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(20, 25, 40, 0.05), 0 1px 8px rgba(20, 25, 40, 0.04);
}

* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  margin: 0;
  -webkit-font-smoothing: antialiased;
}

header.topbar {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 28px;
  position: sticky;
  top: 0;
  z-index: 20;
  box-shadow: var(--shadow);
}

header.topbar a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  transition: color .15s;
}
header.topbar a:hover { color: var(--text); }

header.topbar a.brand {
  font-weight: 700;
  color: var(--text);
  font-size: 15px;
}
header.topbar a.brand:hover { color: var(--accent); }

header.topbar nav { display: flex; gap: 20px; align-items: center; }

main {
  max-width: 1240px;
  margin: 0 auto;
  padding: 28px 24px 60px;
}

h1 { font-size: 23px; font-weight: 700; letter-spacing: -0.01em; margin: 0 0 6px; }
h2 { font-size: 16px; font-weight: 700; margin-top: 32px; margin-bottom: 10px; color: var(--text); }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 20px;
  margin-bottom: 18px;
}

table {
  border-collapse: separate;
  border-spacing: 0;
  width: 100%;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

th, td {
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  padding: 8px 10px;
  font-size: 13px;
  text-align: left;
  vertical-align: middle;
}
th:last-child, td:last-child { border-right: none; }
tbody tr:last-child td { border-bottom: none; }

th {
  background: #f7f8fb;
  color: var(--muted);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .03em;
}

tbody tr:hover td { background: #fafbfd; }

label { display: block; font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 4px; }

input[type=text], input[type=date], input[type=password], select {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
  background: var(--panel);
  transition: border-color .15s, box-shadow .15s;
}
input[type=text]:focus, input[type=date]:focus, input[type=password]:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
input:disabled { opacity: .6; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 7px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background .15s, transform .05s;
}
.btn:hover { background: var(--accent-dark); }
.btn:active { transform: translateY(1px); }
.btn.secondary { background: var(--panel); color: var(--text); border: 1px solid var(--border-strong); }
.btn.secondary:hover { background: #f5f6f9; }
.btn.danger { background: var(--danger); }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .02em;
}
.badge.travail { background: var(--ok-soft); color: var(--ok); }
.badge.autre { background: #eef1f6; color: var(--muted); }
.badge.etudiant { background: #eef0ff; color: #4338ca; }
.badge.brouillon { background: var(--warn-soft); color: var(--warn); }
.badge.validee { background: var(--ok-soft); color: var(--ok); }

.pool {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0 4px;
}
.pool .chip {
  background: var(--accent-soft);
  color: var(--accent-dark);
  border: 1px solid #d6e0ff;
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 600;
}
.pool .chip[draggable="true"] {
  cursor: grab;
}
.pool .chip[draggable="true"]:active { cursor: grabbing; }
.pool .chip.chip-etudiant {
  background: #f0edff;
  color: #5b3fd6;
  border-color: #ded6ff;
}
.pool .chip { display: inline-flex; align-items: center; gap: 6px; }
.code-pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  background: var(--pill-bg, #eee);
  color: var(--pill-fg, #333);
}

.day-tabs { display: flex; gap: 4px; margin-bottom: 0; border-bottom: 1px solid var(--border); }
.day-tabs a {
  padding: 9px 16px;
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  font-size: 13px;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color .15s;
}
.day-tabs a:hover { color: var(--text); }
.day-tabs a.active { color: var(--accent); border-bottom-color: var(--accent); }

.muted { color: var(--muted); font-size: 13px; }
.warning-list { color: var(--warn); font-size: 13px; }

.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 90vh;
}
.auth-card { width: 380px; }
.auth-card h1 { margin-top: 0; }
.error-box {
  background: var(--danger-soft);
  color: var(--danger);
  border-radius: 7px;
  padding: 10px 12px;
  margin-bottom: 14px;
  font-size: 13px;
  font-weight: 500;
}

/* Grille de semaine : cases avec nom + détail, glisser-déposer */
td.cell { padding: 6px; min-width: 150px; }
.cell-input { margin-bottom: 4px; font-weight: 500; }
.cell-detail { font-size: 12px; color: var(--muted); padding: 5px 8px; }
.cell-readonly-name { display: block; font-weight: 500; }
.cell-readonly-detail { display: block; font-size: 12px; color: var(--muted); margin-top: 2px; }
.cell-error { border-color: var(--danger) !important; box-shadow: 0 0 0 3px var(--danger-soft) !important; }

td.drop-zone { transition: background .12s, box-shadow .12s; border-radius: 6px; }
td.drop-zone.drop-hover {
  background: var(--accent-soft) !important;
  box-shadow: inset 0 0 0 2px var(--accent);
}

/* Légende des codes : contrôle segmenté */
.code-grid { display: flex; flex-direction: column; gap: 6px; }
.code-row {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  box-shadow: var(--shadow);
}
.code-name {
  min-width: 90px;
  font-weight: 700;
  font-size: 13px;
  background: #f7f8fb;
  padding: 3px 8px;
  border-radius: 5px;
}
.segmented { display: inline-flex; border: 1px solid var(--border-strong); border-radius: 7px; overflow: hidden; }
.segment {
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  background: var(--panel);
  border-right: 1px solid var(--border-strong);
  transition: background .12s, color .12s;
}
.segment:last-child { border-right: none; }
.segment input { display: none; }
.segment:hover { background: #f5f6f9; }
.segment.segment-travail:has(input:checked) { background: var(--ok-soft); color: var(--ok); }
.segment.segment-etudiant:has(input:checked) { background: #eef0ff; color: #4338ca; }
.segment.segment-autre:has(input:checked) { background: #eef1f6; color: var(--text); }

@media print {
  header.topbar, .no-print { display: none !important; }
  main { max-width: 100%; padding: 0; }
  .print-page { page-break-after: always; }
  table { box-shadow: none; }
  body.brouillon::before {
    content: "BROUILLON";
    position: fixed;
    top: 40%;
    left: 20%;
    font-size: 90px;
    color: rgba(200,0,0,0.15);
    transform: rotate(-25deg);
    z-index: 999;
  }
}