/* ============================================================
   Parcours·up Advisor — Design System
   Palette : bleu Parcoursup · graphe · accessibilité
   ============================================================ */

:root {
  --pa-bg:        #f0f4ff;
  --pa-surface:   #ffffff;
  --pa-border:    #cbd5e1;
  --pa-text:      #1e293b;
  --pa-muted:     #64748b;
  --pa-primary:   #1d4ed8;
  --pa-primary-h: #1e40af;
  --pa-secondary: #0891b2;
  --pa-success:   #16a34a;
  --pa-warning:   #d97706;
  --pa-danger:    #dc2626;
  --pa-radius:    10px;
  --pa-shadow:    0 2px 12px rgba(29,78,216,.10);

  /* Type colors for graph */
  --c-CPGE:       #7c3aed;
  --c-Ingenieur:  #1d4ed8;
  --c-Universite: #0891b2;
  --c-BUT:        #16a34a;
  --c-BTS:        #d97706;
  --c-ok:         #16a34a;
  --c-ok2:        #4ade80;
  --c-wait:       #d97706;
  --c-ko:         #dc2626;
  --c-comp:       #64748b;
  --c-final-ok:   #15803d;
  --c-final-ok2:  #22c55e;
  --c-final-reor: #ea580c;
  --c-final-ko:   #991b1b;
  --c-student:    #1d4ed8;
}

/* ── Layout ─────────────────────────────────────────────────── */

.pa-app {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 0 64px;
  font-family: system-ui, -apple-system, sans-serif;
  color: var(--pa-text);
}

/* ── Hero ───────────────────────────────────────────────────── */

.pa-hero {
  text-align: center;
  padding: 32px 16px 20px;
}
.pa-title {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 800;
  color: var(--pa-primary);
  margin: 0 0 8px;
  letter-spacing: -.02em;
}
.pa-subtitle {
  color: var(--pa-muted);
  font-size: .95rem;
  margin: 0;
}

/* ── Progress bar ───────────────────────────────────────────── */

.pa-progress {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 16px 24px 24px;
}
.pa-step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-width: 64px;
}
.pa-step-dot {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 2px solid var(--pa-border);
  background: var(--pa-surface);
  color: var(--pa-muted);
  font-weight: 700;
  font-size: .875rem;
  display: flex; align-items: center; justify-content: center;
  transition: all .2s;
}
.pa-step-item.active .pa-step-dot {
  background: var(--pa-primary);
  border-color: var(--pa-primary);
  color: #fff;
  box-shadow: 0 0 0 4px rgba(29,78,216,.15);
}
.pa-step-item.done .pa-step-dot {
  background: var(--pa-success);
  border-color: var(--pa-success);
  color: #fff;
}
.pa-step-lbl {
  font-size: .7rem;
  color: var(--pa-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.pa-step-item.active .pa-step-lbl { color: var(--pa-primary); }
.pa-step-line {
  flex: 1;
  height: 2px;
  background: var(--pa-border);
  max-width: 80px;
  margin-bottom: 22px;
}

/* ── Panels (steps) ─────────────────────────────────────────── */

.pa-panel {
  background: var(--pa-surface);
  border: 1px solid var(--pa-border);
  border-radius: var(--pa-radius);
  padding: 28px 32px;
  margin: 0 8px;
  box-shadow: var(--pa-shadow);
}
.pa-panel-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--pa-primary);
  margin: 0 0 6px;
}
.pa-panel-desc {
  color: var(--pa-muted);
  font-size: .875rem;
  margin: 0 0 24px;
}

/* ── Forms ──────────────────────────────────────────────────── */

.pa-form-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.pa-field {
  flex: 1;
  min-width: 180px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.pa-label {
  font-size: .8rem;
  font-weight: 600;
  color: var(--pa-text);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.pa-hint {
  font-size: .78rem;
  color: var(--pa-muted);
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
}
.pa-input, .pa-select {
  padding: 8px 12px;
  border: 1.5px solid var(--pa-border);
  border-radius: 8px;
  font-size: .9rem;
  color: var(--pa-text);
  background: var(--pa-surface);
  transition: border-color .15s;
  outline: none;
}
.pa-input:focus, .pa-select:focus {
  border-color: var(--pa-primary);
  box-shadow: 0 0 0 3px rgba(29,78,216,.12);
}
.pa-form-actions { margin-top: 20px; }

/* Spécialités */
.pa-specialites-section { margin-bottom: 20px; }
.pa-specialites-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}
.pa-checkbox-label {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1.5px solid var(--pa-border);
  border-radius: 20px;
  font-size: .82rem;
  cursor: pointer;
  transition: all .15s;
  user-select: none;
}
.pa-checkbox-label:hover { border-color: var(--pa-primary); background: #eff6ff; }
.pa-checkbox-label input:checked ~ * { color: var(--pa-primary); }
.pa-checkbox-label:has(input:checked) {
  border-color: var(--pa-primary);
  background: #eff6ff;
  font-weight: 600;
}

/* ── Buttons ────────────────────────────────────────────────── */

.pa-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: .9rem;
  cursor: pointer;
  border: none;
  transition: all .15s;
  text-decoration: none;
}
.pa-btn-primary {
  background: var(--pa-primary);
  color: #fff;
}
.pa-btn-primary:hover { background: var(--pa-primary-h); transform: translateY(-1px); }
.pa-btn-secondary {
  background: var(--pa-secondary);
  color: #fff;
}
.pa-btn-secondary:hover { opacity: .9; }
.pa-btn-ghost {
  background: transparent;
  color: var(--pa-muted);
  border: 1.5px solid var(--pa-border);
}
.pa-btn-ghost:hover { background: #f1f5f9; }
.pa-btn-sm {
  padding: 5px 12px;
  font-size: .78rem;
}
.pa-btn-add {
  background: var(--pa-primary);
  color: #fff;
  border-radius: 6px;
  padding: 5px 14px;
  font-size: .78rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background .15s;
}
.pa-btn-add:hover { background: var(--pa-primary-h); }
.pa-btn-remove {
  background: #ecfdf5;
  color: var(--pa-success);
  border: 1.5px solid var(--pa-success);
  border-radius: 6px;
  padding: 4px 12px;
  font-size: .78rem;
  font-weight: 700;
  cursor: pointer;
  transition: all .15s;
}
.pa-btn-remove:hover { background: #dcfce7; }
.pa-btn-ai {
  background: #7c3aed;
  color: #fff;
}
.pa-btn-ai:hover { background: #6d28d9; }

/* ── Error ──────────────────────────────────────────────────── */

.pa-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: var(--pa-danger);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: .875rem;
  margin-top: 12px;
}

/* ── Nav row ────────────────────────────────────────────────── */

.pa-nav-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 24px;
  gap: 12px;
}

/* ── Step 2 : Formations ────────────────────────────────────── */

.pa-search-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.pa-search-input { flex: 1; min-width: 220px; }
.pa-voeux-counter {
  font-size: .82rem;
  color: var(--pa-muted);
  white-space: nowrap;
}
.pa-voeux-counter strong { color: var(--pa-primary); }

.pa-type-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.pa-type-btn {
  padding: 5px 14px;
  border-radius: 20px;
  border: 1.5px solid var(--pa-border);
  background: var(--pa-surface);
  font-size: .78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
  color: var(--pa-text);
}
.pa-type-btn:hover, .pa-type-btn.active {
  background: var(--pa-primary);
  border-color: var(--pa-primary);
  color: #fff;
}
.pa-type-btn.pa-type-CPGE.active    { background: var(--c-CPGE); border-color: var(--c-CPGE); }
.pa-type-btn.pa-type-Ingenieur.active { background: var(--c-Ingenieur); border-color: var(--c-Ingenieur); }
.pa-type-btn.pa-type-Universite.active { background: var(--c-Universite); border-color: var(--c-Universite); }
.pa-type-btn.pa-type-BUT.active     { background: var(--c-BUT); border-color: var(--c-BUT); }
.pa-type-btn.pa-type-BTS.active     { background: var(--c-BTS); border-color: var(--c-BTS); }

.pa-formations-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
  max-height: 480px;
  overflow-y: auto;
  padding-right: 4px;
}
.pa-loading { color: var(--pa-muted); font-size: .875rem; padding: 16px; }
.pa-empty   { color: var(--pa-muted); font-size: .875rem; padding: 16px; text-align: center; }

.pa-formation-card {
  border: 1.5px solid var(--pa-border);
  border-radius: var(--pa-radius);
  padding: 14px;
  background: var(--pa-surface);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color .15s, box-shadow .15s;
}
.pa-formation-card:hover { border-color: var(--pa-primary); box-shadow: var(--pa-shadow); }
.pa-formation-card.selected { border-color: var(--pa-success); background: #f0fdf4; }

.pa-formation-type {
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: 2px 8px;
  border-radius: 12px;
  display: inline-block;
  align-self: flex-start;
}
.pa-type-cpge        { background: #ede9fe; color: var(--c-CPGE); }
.pa-type-ingénieur   { background: #dbeafe; color: var(--c-Ingenieur); }
.pa-type-université  { background: #e0f2fe; color: var(--c-Universite); }
.pa-type-but         { background: #dcfce7; color: var(--c-BUT); }
.pa-type-bts         { background: #fef9c3; color: var(--c-BTS); }

.pa-formation-name {
  font-size: .85rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--pa-text);
}
.pa-formation-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: .75rem;
  color: var(--pa-muted);
}
.pa-proba-badge {
  font-weight: 700;
  padding: 1px 8px;
  border-radius: 12px;
  font-size: .72rem;
}
.pa-proba-high   { background: #dcfce7; color: #166534; }
.pa-proba-medium { background: #fef9c3; color: #854d0e; }
.pa-proba-low    { background: #fee2e2; color: #991b1b; }

/* ── Step 3 : Vœux ──────────────────────────────────────────── */

.pa-voeux-list { margin-bottom: 16px; }
.pa-voeu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border: 1.5px solid var(--pa-border);
  border-radius: 10px;
  background: var(--pa-surface);
  margin-bottom: 8px;
  cursor: grab;
  transition: box-shadow .15s, border-color .15s;
}
.pa-voeu-item:active { cursor: grabbing; }
.pa-voeu-item.sortable-ghost { opacity: .5; border-style: dashed; }
.pa-voeu-item.sortable-drag  { box-shadow: 0 8px 24px rgba(0,0,0,.15); }
.pa-voeu-rang {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--pa-primary);
  color: #fff;
  font-weight: 700;
  font-size: .8rem;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.pa-voeu-handle { color: var(--pa-muted); cursor: grab; font-size: 1.1rem; }
.pa-voeu-info { flex: 1; min-width: 0; }
.pa-voeu-nom {
  font-size: .875rem;
  font-weight: 600;
  color: var(--pa-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.pa-voeu-type { font-size: .72rem; color: var(--pa-muted); margin-top: 2px; }
.pa-voeu-proba {
  font-size: .78rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
  white-space: nowrap;
}
.pa-btn-delete-voeu {
  background: none;
  border: none;
  color: var(--pa-muted);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 4px;
  border-radius: 6px;
  transition: color .15s, background .15s;
}
.pa-btn-delete-voeu:hover { color: var(--pa-danger); background: #fee2e2; }
.pa-empty-voeux { color: var(--pa-muted); font-size: .875rem; padding: 16px; text-align: center; }

/* ── Step 4 : Graphe ─────────────────────────────────────────── */

.pa-layer-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.pa-layer-legend { font-size: .78rem; color: var(--pa-muted); font-weight: 600; }
.pa-layer-btn {
  padding: 5px 14px;
  border-radius: 20px;
  border: 1.5px solid var(--pa-border);
  background: var(--pa-surface);
  font-size: .78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
  color: var(--pa-muted);
}
.pa-layer-btn.active {
  background: var(--pa-primary);
  border-color: var(--pa-primary);
  color: #fff;
}

.pa-graph-container {
  position: relative;
  background: #f8fafc;
  border: 1px solid var(--pa-border);
  border-radius: var(--pa-radius);
  overflow: hidden;
  min-height: 400px;
  margin-bottom: 16px;
}
.pa-dag-svg {
  width: 100%;
  display: block;
}
.pa-graph-loading {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: #f8fafc;
  color: var(--pa-muted);
  font-size: .875rem;
}
.pa-spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--pa-border);
  border-top-color: var(--pa-primary);
  border-radius: 50%;
  animation: pa-spin 1s linear infinite;
}
@keyframes pa-spin { to { transform: rotate(360deg); } }

/* ── Node detail panel ──────────────────────────────────────── */

.pa-node-detail {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 260px;
  max-height: calc(100% - 24px);
  background: var(--pa-surface);
  border: 1.5px solid var(--pa-primary);
  border-radius: var(--pa-radius);
  box-shadow: var(--pa-shadow);
  padding: 16px;
  overflow-y: auto;
  z-index: 10;
  font-size: .82rem;
}
.pa-detail-close {
  position: absolute;
  top: 8px; right: 10px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  color: var(--pa-muted);
}
#node-detail-content h3 { font-size: .9rem; margin: 0 0 10px; color: var(--pa-primary); }
#node-detail-content p  { margin: 4px 0; color: var(--pa-text); line-height: 1.5; }
#node-detail-content .pa-stat-row { display: flex; justify-content: space-between; padding: 4px 0; border-bottom: 1px solid #f1f5f9; }
#node-detail-content .pa-stat-key  { color: var(--pa-muted); }
#node-detail-content .pa-stat-val  { font-weight: 700; }

/* ── Légende ────────────────────────────────────────────────── */

.pa-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: .75rem;
  color: var(--pa-muted);
  margin-bottom: 20px;
}
.pa-legend-item { display: flex; align-items: center; gap: 5px; }
.pa-dot {
  width: 11px; height: 11px;
  border-radius: 50%;
  flex-shrink: 0;
}
.pa-dot-CPGE       { background: var(--c-CPGE); }
.pa-dot-Ingenieur  { background: var(--c-Ingenieur); }
.pa-dot-Universite { background: var(--c-Universite); }
.pa-dot-BUT        { background: var(--c-BUT); }
.pa-dot-BTS        { background: var(--c-BTS); }
.pa-dot-ok         { background: var(--c-ok); }
.pa-dot-wait       { background: var(--c-wait); }
.pa-dot-ko         { background: var(--c-ko); }

/* ── AI Panel ───────────────────────────────────────────────── */

.pa-ai-panel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}
.pa-details {
  border: 1.5px solid var(--pa-border);
  border-radius: var(--pa-radius);
  overflow: hidden;
}
.pa-details-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  cursor: pointer;
  font-size: .875rem;
  font-weight: 600;
  background: #f8fafc;
  user-select: none;
  list-style: none;
  gap: 10px;
}
.pa-details-summary::-webkit-details-marker { display: none; }
.pa-details[open] .pa-details-summary { background: #eff6ff; border-bottom: 1px solid var(--pa-border); }
.pa-details-body { padding: 16px; font-size: .875rem; }

.pa-analyse-section { margin-bottom: 14px; }
.pa-analyse-section h4 { font-size: .82rem; font-weight: 700; color: var(--pa-primary); text-transform: uppercase; letter-spacing: .04em; margin: 0 0 8px; }
.pa-analyse-section ul { margin: 0; padding-left: 18px; }
.pa-analyse-section li { margin-bottom: 4px; line-height: 1.5; }
.pa-risque-badge {
  display: inline-block;
  font-size: .68rem;
  font-weight: 700;
  padding: 1px 7px;
  border-radius: 10px;
  margin-left: 6px;
}
.pa-risque-faible  { background: #dcfce7; color: #166534; }
.pa-risque-moyen   { background: #fef9c3; color: #854d0e; }
.pa-risque-élevé   { background: #fee2e2; color: #991b1b; }

.pa-strategie-conseil {
  background: #eff6ff;
  border-left: 4px solid var(--pa-primary);
  padding: 10px 14px;
  border-radius: 0 8px 8px 0;
  margin-bottom: 12px;
  font-size: .875rem;
  line-height: 1.6;
  color: var(--pa-text);
}

/* ── Disclaimer ─────────────────────────────────────────────── */

.pa-disclaimer {
  font-size: .75rem;
  color: var(--pa-muted);
  background: #f8fafc;
  border: 1px solid var(--pa-border);
  border-radius: 8px;
  padding: 10px 14px;
  margin-top: 8px;
  line-height: 1.5;
}

/* ── SVG Graph elements ──────────────────────────────────────── */

.pa-node circle { transition: opacity .2s; }
.pa-node:hover circle { filter: brightness(1.1); }
.pa-node text { pointer-events: none; }
.pa-edge { transition: opacity .2s; }

/* ── Bulletin paste ─────────────────────────────────────────── */

.pa-bulletin-toggle-row {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px dashed var(--pa-border);
  text-align: center;
}
.pa-bulletin-paste {
  margin-top: 14px;
  background: #f8fafc;
  border: 1.5px dashed var(--pa-border);
  border-radius: var(--pa-radius);
  padding: 18px 20px;
}
.pa-bulletin-textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 10px 12px;
  border: 1.5px solid var(--pa-border);
  border-radius: 8px;
  font-size: .85rem;
  font-family: 'Courier New', monospace;
  line-height: 1.6;
  color: var(--pa-text);
  background: var(--pa-surface);
  resize: vertical;
  outline: none;
  transition: border-color .15s;
}
.pa-bulletin-textarea:focus {
  border-color: var(--pa-primary);
  box-shadow: 0 0 0 3px rgba(29,78,216,.10);
}
.pa-bulletin-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
  flex-wrap: wrap;
}
.pa-bulletin-status {
  font-size: .82rem;
  font-weight: 600;
}
.pa-status-ok { color: var(--pa-success); }

/* ── Responsive ─────────────────────────────────────────────── */

@media (max-width: 600px) {
  .pa-panel { padding: 18px 16px; margin: 0 4px; }
  .pa-form-row { flex-direction: column; }
  .pa-progress { padding: 12px 8px 20px; }
  .pa-step-lbl { display: none; }
  .pa-node-detail { width: 200px; font-size: .75rem; }
}