/* ============================================================
   Contrat pédagogique IA — IMT Business School
   Charte graphique 2024 : Violet #AD1D89 · Bleu #00B8DE · Noir · Blanc
   Police : Arial
   ============================================================ */

:root {
  --violet: #AD1D89;
  --bleu: #00B8DE;
  --noir: #000000;
  --blanc: #FFFFFF;
  --bleu-pale: #E5F8FC;   /* tint of Bleu IMT for zone backgrounds */
  --violet-pale: #F7E8F3; /* tint of Violet IMT-BS */
  --noir-pale: #F0F0F0;   /* neutral tint */
  --border: #D9D9D9;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--noir);
  background: var(--blanc);
  font-size: 15px;
  line-height: 1.4;
}

/* ===== Top bar ===== */
.topbar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 14px 28px;
  border-bottom: 4px solid var(--violet);
}
.topbar-logo { height: 62px; width: auto; }
.topbar-titles { flex: 1; }
.topbar-titles h1 {
  margin: 0;
  font-size: 22px;
  text-transform: uppercase;
  color: var(--violet);
  letter-spacing: 0.5px;
}
.topbar-titles p { margin: 2px 0 0; color: var(--noir); font-size: 13px; }
.lang-switch { display: flex; gap: 6px; }
.lang-btn {
  font-family: Arial, sans-serif;
  font-weight: bold;
  border: 2px solid var(--bleu);
  background: var(--blanc);
  color: var(--bleu);
  padding: 6px 12px;
  cursor: pointer;
  border-radius: 4px;
}
.lang-btn.active { background: var(--bleu); color: var(--blanc); }

/* ===== Sections ===== */
main { max-width: 1180px; margin: 0 auto; padding: 10px 28px 40px; }
.section { margin-top: 30px; }
.section h2 {
  font-size: 17px;
  text-transform: uppercase;
  color: var(--violet);
  border-bottom: 2px solid var(--bleu);
  padding-bottom: 6px;
  margin: 0 0 14px;
}
.hint { color: #444; font-size: 13px; margin: 6px 0 12px; }

/* ===== Template picker ===== */
.template-picker { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.template-card {
  font-family: Arial, sans-serif;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-start;
  text-align: left;
  padding: 16px;
  background: var(--blanc);
  border: 2px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  color: var(--noir);
}
.template-card strong { font-size: 15px; color: var(--violet); text-transform: uppercase; }
.template-card .template-icon { font-size: 26px; }
.template-card:hover { border-color: var(--bleu); }
.template-card.active { border-color: var(--violet); box-shadow: 0 0 0 2px var(--violet-pale); }

/* ===== Info grid ===== */
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.info-field { display: flex; flex-direction: column; gap: 4px; }
.info-field label { font-weight: bold; font-size: 13px; color: var(--noir); }
.info-field input {
  font-family: Arial, sans-serif;
  font-size: 14px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
}
.info-field input:focus { outline: 2px solid var(--bleu); border-color: var(--bleu); }

/* ===== Card bank ===== */
.bank {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 56px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #FAFAFA;
}
.card {
  font-family: Arial, sans-serif;
  font-size: 13px;
  background: var(--blanc);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 6px 12px;
  cursor: grab;
  user-select: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.card:hover { border-color: var(--bleu); }
.card.selected { outline: 2px solid var(--bleu); }
.card.dragging { opacity: 0.4; }
.card.custom { border-style: dashed; color: #666; }
.card.custom.filled { color: var(--noir); }
.card .card-text { min-width: 30px; outline: none; }
.card .card-text:empty::before { content: attr(data-placeholder); color: #999; font-style: italic; }
.card .markers { display: inline-flex; gap: 2px; }
.card .marker { cursor: pointer; }
.card .remove-btn {
  border: none; background: none; cursor: pointer;
  font-size: 11px; color: #888; padding: 0 0 0 2px; font-family: Arial, sans-serif;
}
.card .remove-btn:hover { color: var(--violet); }

/* ===== Legend ===== */
.legend { display: flex; align-items: center; gap: 22px; margin-top: 12px; flex-wrap: wrap; }
.legend-item {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: bold;
  cursor: grab; user-select: none;
  padding: 4px 10px;
  border: 1px dashed var(--border);
  border-radius: 16px;
  background: var(--blanc);
}
.legend-item:hover { border-color: var(--violet); }
.legend .hint { margin: 0; font-weight: normal; }

/* ===== Board ===== */
.board { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; align-items: stretch; }
.board-col { display: flex; flex-direction: column; gap: 8px; }
.col-header {
  color: var(--blanc);
  font-weight: bold;
  text-transform: uppercase;
  text-align: center;
  padding: 10px 6px;
  border-radius: 6px 6px 0 0;
  font-size: 14px;
  letter-spacing: 0.4px;
}
.col-symbol {
  display: inline-flex; justify-content: center; align-items: center;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--blanc); font-size: 13px; margin-right: 4px;
}
.col-allowed  .col-header { background: var(--bleu); }
.col-allowed  .col-symbol { color: var(--bleu); }
.col-reserved .col-header { background: var(--violet); }
.col-reserved .col-symbol { color: var(--violet); }
.col-forbidden .col-header { background: var(--noir); }
.col-forbidden .col-symbol { color: var(--noir); }

.zone { border: 1px solid var(--border); border-radius: 6px; display: flex; flex-direction: column; flex: 1; }
.zone[data-zone="a1"], .zone[data-zone="c1"] { flex: 1.6; }
.col-allowed  .zone { background: var(--bleu-pale); }
.col-reserved .zone { background: var(--violet-pale); }
.col-forbidden .zone { background: var(--noir-pale); }
.zone-label {
  font-size: 12px; font-weight: bold; font-style: italic;
  padding: 6px 10px 2px; color: #333;
}
.zone-cards {
  flex: 1;
  display: flex; flex-wrap: wrap; align-content: flex-start; gap: 6px;
  padding: 8px 10px 10px;
  min-height: 52px;
  border-radius: 0 0 6px 6px;
}
.zone-cards:empty::after {
  content: attr(data-placeholder);
  color: #999; font-size: 12px; font-style: italic;
}
.dropzone-over { outline: 2px dashed var(--bleu); outline-offset: -4px; }
.card, .legend-item { touch-action: none; }
.drag-ghost {
  position: fixed;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 100;
  opacity: 0.9;
  box-shadow: 0 4px 10px rgba(0,0,0,0.25);
}

/* ===== Integrity ===== */
#integrityList { display: flex; flex-direction: column; gap: 8px; }
.integrity-item { display: flex; gap: 10px; align-items: flex-start; }
.integrity-item input[type="checkbox"] { margin-top: 4px; width: 16px; height: 16px; accent-color: var(--violet); }
.integrity-text {
  flex: 1;
  font-family: Arial, sans-serif;
  font-size: 14px;
  border: 1px solid transparent;
  border-radius: 4px;
  padding: 4px 6px;
  background: transparent;
}
.integrity-text:hover { border-color: var(--border); }
.integrity-text:focus { outline: 2px solid var(--bleu); background: var(--blanc); }
.integrity-item .remove-btn {
  border: none; background: none; cursor: pointer; color: #888; font-size: 13px; font-family: Arial, sans-serif;
}
.integrity-item .remove-btn:hover { color: var(--violet); }
.rgpd-note {
  margin-top: 14px; font-size: 13px;
  border-left: 4px solid var(--bleu);
  padding: 8px 12px; background: var(--bleu-pale);
}

/* ===== Buttons / actions ===== */
.actions-bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; border-top: 2px solid var(--bleu); padding-top: 18px; }
.btn {
  font-family: Arial, sans-serif;
  font-size: 14px; font-weight: bold;
  padding: 10px 16px;
  border: 2px solid var(--bleu);
  background: var(--blanc);
  color: var(--bleu);
  border-radius: 4px;
  cursor: pointer;
}
.btn:hover { background: var(--bleu-pale); }
.btn-primary { background: var(--violet); border-color: var(--violet); color: var(--blanc); }
.btn-primary:hover { background: #8F1571; border-color: #8F1571; }
.btn-danger { border-color: var(--noir); color: var(--noir); }
.btn-danger:hover { background: var(--noir-pale); }
.btn-ghost { border-style: dashed; margin-top: 8px; }
.autosave-note { font-size: 12px; color: #777; margin-left: auto; }

/* ===== Footer ===== */
.app-footer {
  border-top: 4px solid var(--violet);
  padding: 16px 28px 24px;
  font-size: 12px;
  color: #444;
}
.app-footer p { margin: 4px 0; }

/* ===== Preview modal ===== */
.modal-overlay[hidden] { display: none; }
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex; justify-content: center; align-items: flex-start;
  padding: 30px 16px;
  overflow: auto;
  z-index: 50;
}
.modal { background: #EEE; border-radius: 8px; max-width: 900px; width: 100%; }
.modal-bar {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  padding: 12px 18px;
  background: var(--blanc);
  border-radius: 8px 8px 0 0;
  border-bottom: 2px solid var(--violet);
  position: sticky; top: 0;
}
.modal-body { padding: 24px; display: flex; justify-content: center; }

/* ============================================================
   CONTRACT (shared by on-screen preview and print)
   ============================================================ */
.contract {
  background: var(--blanc);
  color: var(--noir);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 11pt;
  width: 210mm;
  max-width: 100%;
  padding: 15mm 16mm;
  box-shadow: 0 2px 14px rgba(0,0,0,0.25);
}
.contract-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 10mm; border-bottom: 3px solid var(--violet); padding-bottom: 6mm; }
.contract-header img { height: 22mm; width: auto; }
.contract-header .c-titles { text-align: right; }
.contract-header h1 { margin: 0; font-size: 17pt; text-transform: uppercase; color: var(--violet); }
.contract-header h2 { margin: 2mm 0 0; font-size: 11pt; font-weight: normal; color: var(--noir); border: none; text-transform: none; padding: 0; }
.contract-header .c-date { margin-top: 2mm; font-size: 9pt; color: #555; }

.c-intro { font-size: 10pt; margin: 6mm 0; text-align: justify; }

.c-info-table { width: 100%; border-collapse: collapse; margin-bottom: 6mm; }
.c-info-table td { border: 1px solid var(--border); padding: 2mm 3mm; font-size: 10pt; }
.c-info-table td:first-child { font-weight: bold; width: 38%; background: #F6F6F6; }

.c-section-title {
  font-size: 12pt; text-transform: uppercase; color: var(--violet);
  border-bottom: 2px solid var(--bleu);
  padding-bottom: 1.5mm; margin: 7mm 0 4mm;
}

/* usage table */
.c-uses { width: 100%; border-collapse: collapse; table-layout: fixed; }
.c-uses th { color: var(--blanc); padding: 2.5mm 2mm; font-size: 10pt; text-transform: uppercase; }
.c-uses th.h-allowed { background: var(--bleu); }
.c-uses th.h-reserved { background: var(--violet); }
.c-uses th.h-forbidden { background: var(--noir); }
.c-uses td { border: 1px solid var(--border); vertical-align: top; padding: 2mm; font-size: 9pt; }
.c-zone-title { font-weight: bold; font-style: italic; font-size: 8.5pt; color: #333; margin: 0 0 1.5mm; }
.c-uses ul { margin: 0 0 2.5mm; padding-left: 4mm; }
.c-uses li { margin-bottom: 1mm; }
.c-empty { color: #999; font-style: italic; font-size: 8.5pt; }
.c-legend { font-size: 8.5pt; color: #333; margin-top: 2mm; }

/* integrity list */
.c-integrity ol { margin: 2mm 0 0; padding-left: 6mm; font-size: 10pt; }
.c-integrity li { margin-bottom: 2mm; text-align: justify; }
.c-fraud { font-size: 9pt; border-left: 3px solid var(--violet); background: var(--violet-pale); padding: 2.5mm 3mm; margin-top: 4mm; }

/* signatures */
.c-made { margin: 8mm 0 4mm; font-size: 10.5pt; }
.c-sign-row { display: flex; gap: 8mm; }
.c-sign-box { flex: 1; border: 1px solid var(--border); border-radius: 2mm; padding: 3mm 4mm 18mm; }
.c-sign-box .c-sign-role { font-weight: bold; color: var(--violet); font-size: 10.5pt; }
.c-sign-box .c-sign-name { font-size: 10pt; margin-top: 1mm; }
.c-sign-box .c-sign-note { font-size: 8pt; color: #666; margin-top: 2mm; font-style: italic; }

/* appendix */
.c-annexe { page-break-before: always; }
.c-annexe-table { width: 100%; border-collapse: collapse; margin-top: 3mm; }
.c-annexe-table th { background: var(--bleu); color: var(--blanc); font-size: 9pt; padding: 2mm; }
.c-annexe-table td { border: 1px solid var(--border); padding: 2mm; font-size: 9pt; height: 14mm; vertical-align: top; }
.c-annexe-intro { font-size: 9.5pt; }

.c-footer { margin-top: 8mm; border-top: 1px solid var(--border); padding-top: 2mm; font-size: 8pt; color: #666; }

/* ============================================================
   PRINT
   ============================================================ */
.print-only { display: none; }

@media print {
  @page { size: A4 portrait; margin: 12mm; }
  body { background: var(--blanc); }
  .no-print { display: none !important; }
  .print-only { display: block; }
  .contract { box-shadow: none; width: auto; padding: 0; }
  .c-uses, .c-annexe-table { page-break-inside: auto; }
  .c-sign-row, .c-sign-box, .c-fraud { page-break-inside: avoid; }
  .col-header, .c-uses th, .c-annexe-table th, .c-fraud, .c-sign-box, .zone {
    -webkit-print-color-adjust: exact; print-color-adjust: exact;
  }
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .template-picker, .info-grid, .board { grid-template-columns: 1fr; }
  .topbar { flex-wrap: wrap; }
}