/* ==========================================================================
   TIDY — Direction Artistique & Système de Design
   Inspiration : Blip / Linear / Vercel (Minimalisme brutaliste raffiné, typographie suisse, dark theme)
   Zéro fioriture Tailwind générique
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  /* Surfaces & fonds — Palette Charcoal / Ardoise mate (Style Linear / Raycast) */
  --bg-app: #0A0C10;
  --bg-surface: #101319;
  --bg-surface-elevated: #151921;
  --bg-surface-hover: #1A1F29;
  --bg-glass: #101319;

  /* Bordures architecturales franches et mates (Zéro effet halo IA) */
  --border-subtle: #1E232E;
  --border-strong: #2A303F;
  --border-active: #E2E8F0;

  /* Textes à fort contraste */
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --text-inverted: #0A0C10;

  /* Accents sobres */
  --accent-white: #FFFFFF;
  --accent-blue: #3B82F6;
  --accent-cyan: #38BDF8;
  --accent-emerald: #10B981;
  --accent-amber: #F59E0B;
  --accent-rose: #EF4444;

  /* Typographie 100% Sans-Serif géométrique (Suppression de la police monospace typique IA) */
  --font-sans: 'Inter', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Inter', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Ombres sobres */
  --shadow-subtle: 0 1px 2px rgba(0, 0, 0, 0.35);
  --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.4);

  /* Géométrie nette et rectangulaire */
  --radius-xs: 3px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-full: 4px;

  /* Transitions */
  --transition-fast: 120ms ease;
  --transition-normal: 180ms ease;
}

/* Base reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100vh;
  max-height: 100vh;
  overflow: hidden;
  background-color: var(--bg-app);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  letter-spacing: -0.011em;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  display: flex;
  flex-direction: column;
}

/* Scrollbar discrète (uniquement pour la grille de données interne si nécessaire) */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
::-webkit-scrollbar-track {
  background: var(--bg-app);
}
::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 2px;
}
::-webkit-scrollbar-thumb:hover {
  background: #3E465B;
}

/* App Container — Verrouillé sur 100vh exactement, zéro scroll de page */
.app-container {
  width: 100%;
  max-width: 100%;
  height: 100vh;
  max-height: 100vh;
  overflow: hidden;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* Zone centrale adaptable entre le header et le footer */
.workspace-main {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.workspace-main.has-results {
  justify-content: flex-start;
  padding-top: 16px;
}

/* ==========================================================================
   En-tête (Top Navigation Pleine Largeur)
   ========================================================================== */
.site-header {
  width: 100%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 48px;
  background: #0A0C10;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  z-index: 50;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}

.brand-title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: #FFFFFF;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.pill-metric {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 5px 11px;
  border-radius: var(--radius-sm);
}

.indicator-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10B981;
}

.btn-ghost {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.btn-ghost:hover {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

/* Sélecteur de langue en haut à droite */
.lang-switcher-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0 8px 0 10px;
  height: 30px;
  transition: all var(--transition-fast);
}

.lang-switcher-wrap:hover,
.lang-switcher-wrap:focus-within {
  background: var(--bg-surface-elevated);
  border-color: var(--border-strong);
}

.lang-globe-icon {
  color: var(--text-secondary);
  flex-shrink: 0;
  pointer-events: none;
}

.lang-select {
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 16px 4px 6px;
  cursor: pointer;
  outline: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 2px center;
}

.lang-select option {
  background: #0F1218;
  color: #F8FAFC;
  font-weight: 500;
}

.btn-upgrade {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-upgrade:hover {
  background: var(--bg-surface-hover);
  border-color: #3E475C;
}

.hero-section {
  text-align: center;
  max-width: 840px;
  margin: 0 auto 24px;
  padding: 0 32px;
  width: 100%;
  flex-shrink: 0;
}

.trust-badges-row {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
  margin-top: 18px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.trust-badge-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border-right: 1px solid var(--border-subtle);
  padding: 6px 14px;
  border-radius: 0;
}

.trust-badge-item:last-child {
  border-right: none;
}

.trust-badge-item svg {
  flex-shrink: 0;
  color: var(--text-secondary);
  stroke: currentColor !important;
}

.hero-title {
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.hero-title span {
  color: var(--text-secondary);
  font-weight: 400;
}

.hero-subtitle {
  font-size: 14.5px;
  color: var(--text-secondary);
  line-height: 1.55;
  max-width: 680px;
  margin: 0 auto;
}

/* ==========================================================================
   Zone de Dépôt Fichier (Cadre Architectural Mat — Zéro style IA)
   ========================================================================== */
.workbench-card {
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
  overflow: visible;
  margin: 0 auto;
  padding: 0 48px;
  width: 100%;
  max-width: 1120px;
  flex-shrink: 0;
}

.dropzone-container {
  padding: 44px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  margin: 0;
  background: var(--bg-surface);
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease;
  position: relative;
  width: 100%;
}

.dropzone-container:hover, .dropzone-container.drag-over {
  border-color: #475569;
  background: var(--bg-surface-elevated);
}

.dropzone-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  color: var(--text-primary);
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.dropzone-container:hover .dropzone-icon-wrap {
  border-color: #64748B;
  background: var(--bg-surface-hover);
}

.dropzone-title {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.dropzone-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 18px;
  max-width: 500px;
  line-height: 1.5;
}

.dropzone-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-sans);
  font-size: 11.5px;
}

.badge-format {
  font-family: var(--font-sans);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface-elevated);
  padding: 3px 9px;
  border-radius: var(--radius-xs);
  color: var(--text-secondary);
  font-weight: 500;
  letter-spacing: 0;
}

.badge-pill-free {
  font-family: var(--font-sans);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 3px 10px;
  border-radius: var(--radius-xs);
  font-weight: 500;
  letter-spacing: 0;
}

/* ==========================================================================
   Panneau Fichier Chargé & Contrôles du Moteur
   ========================================================================== */
.file-loaded-banner {
  padding: 16px 24px;
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  width: 100%;
}

.file-info-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.file-type-chip {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  padding: 4px 8px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xs);
  color: var(--text-primary);
}

.file-name-text {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.file-stats-text {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 1px;
}

.action-bar-top {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-change-file {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  transition: all 0.15s ease;
}

.btn-change-file:hover {
  background: var(--bg-surface-hover);
  border-color: #475569;
}

/* Configuration du Moteur Hybride */
.engine-config-bar {
  padding: 16px 28px;
  background: rgba(14, 17, 24, 0.75);
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  width: 100%;
}

.config-toggles {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.config-toggle-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: #94a3b8;
  cursor: pointer;
  user-select: none;
  transition: color 0.15s ease;
}

.config-toggle-item:hover {
  color: #f1f5f9;
}

.config-toggle-item input[type="checkbox"] {
  appearance: none;
  width: 16px;
  height: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  cursor: pointer;
  display: grid;
  place-content: center;
  transition: all 0.15s ease;
}

.config-toggle-item input[type="checkbox"]:checked {
  background: #38bdf8;
  border-color: #38bdf8;
}

.config-toggle-item input[type="checkbox"]:checked::after {
  content: "";
  width: 8px;
  height: 4px;
  border-left: 2px solid #0f172a;
  border-bottom: 2px solid #0f172a;
  transform: rotate(-45deg) translate(1px, -1px);
}

.ai-chip {
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 1px 5px;
  border-radius: var(--radius-xs);
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.35);
  color: var(--accent-cyan);
}

.date-select-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
}

.custom-select {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  outline: none;
  cursor: pointer;
}

/* ==========================================================================
   Bouton d'Action Principal (High-Contrast & Tactile)
   ========================================================================== */
.magic-button-bar {
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface);
  border-left: 1px solid var(--border-subtle);
  border-right: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  width: 100%;
}

/* ==========================================================================
   Barre de Téléchargement Immédiate Post-Nettoyage (Visible dès le succès)
   ========================================================================== */
.download-action-bar {
  padding: 22px 32px;
  background: #0B1C17;
  border-left: 1px solid rgba(16, 185, 129, 0.4);
  border-right: 1px solid rgba(16, 185, 129, 0.4);
  border-bottom: 1px solid rgba(16, 185, 129, 0.4);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  width: 100%;
  animation: fadeIn 200ms ease;
  box-shadow: 0 4px 20px rgba(16, 185, 129, 0.12);
}

.download-success-status {
  display: flex;
  align-items: center;
  gap: 14px;
}

.download-buttons-cluster {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-download-primary {
  background: #10B981;
  color: #FFFFFF;
  border: 1px solid #10B981;
  border-radius: var(--radius-sm);
  padding: 13px 26px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.01em;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: all var(--transition-fast);
}

.btn-download-primary:hover {
  background: #059669;
  border-color: #059669;
  transform: translateY(-1px);
}

.btn-download-primary:active {
  transform: scale(0.99);
}

.btn-download-secondary {
  background: #181C26;
  color: #F1F5F9;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-fast);
}

.btn-download-secondary:hover {
  background: #232938;
  border-color: rgba(255, 255, 255, 0.3);
  color: #FFFFFF;
}

.btn-primary-action, .btn-magic {
  background: #FFFFFF;
  color: #0B0D11;
  border: 1px solid #FFFFFF;
  border-radius: var(--radius-sm);
  padding: 13px 28px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
  transition: all var(--transition-fast);
}

.btn-primary-action:hover:not(:disabled), .btn-magic:hover:not(:disabled) {
  background: #E2E8F0;
  border-color: #E2E8F0;
  transform: translateY(-1px);
}

.btn-primary-action:active:not(:disabled), .btn-magic:active:not(:disabled) {
  transform: scale(0.99);
}

.btn-primary-action:disabled, .btn-magic:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Bannière d'erreur dédiée (Affichage en rouge vif sous la dropzone) */
.error-alert-banner {
  margin: 16px 24px;
  padding: 12px 18px;
  background: #230B0B;
  border: 1px solid #DC2626;
  border-radius: var(--radius-sm);
  color: #FCA5A5;
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 12px;
  animation: fadeIn 200ms ease;
}

.error-alert-banner svg {
  flex-shrink: 0;
  color: #EF4444;
}

/* Barre de progression fluide & uniforme */
.processing-status-bar {
  padding: 18px 24px;
  background: var(--bg-surface-elevated);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.processing-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
}

.processing-step-text {
  font-family: var(--font-mono);
  color: #60A5FA;
  display: flex;
  align-items: center;
  gap: 8px;
}

.progress-track {
  width: 100%;
  height: 6px;
  background: #1E2330;
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: #3B82F6;
  transition: width 250ms ease-out;
}

/* ==========================================================================
   Mini-Rapport d'Audit (Cartes Métriques)
   ========================================================================== */
.audit-report-section {
  margin: 0 auto 16px;
  padding: 0 48px;
  width: 100%;
  max-width: 1120px;
  animation: fadeIn 200ms ease-out;
  flex-shrink: 0;
}

.report-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.report-title {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.015em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 8px;
}

.metric-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 100%;
  background: var(--border-strong);
}

.metric-card.emerald::before { background: var(--accent-emerald); }
.metric-card.amber::before { background: var(--accent-amber); }
.metric-card.cyan::before { background: var(--accent-cyan); }
.metric-card.blue::before { background: var(--accent-blue); }

.metric-label {
  font-size: 11.5px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.metric-value {
  font-family: var(--font-sans);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.metric-detail {
  font-size: 11px;
  color: var(--text-muted);
}

/* ==========================================================================
   Tableau Interactif & Prévisualisation (Data Grid Pleine Largeur)
   ========================================================================== */
.data-preview-card {
  background: transparent;
  border: none;
  box-shadow: none;
  border-radius: 0;
  overflow: visible;
  margin: 0 auto 16px;
  padding: 0 48px;
  width: 100%;
  max-width: 1120px;
  display: flex;
  flex-direction: column;
}

.table-toolbar {
  padding: 10px 16px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  width: 100%;
}

.table-filters {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-btn {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn.active {
  background: var(--bg-surface-hover);
  border-color: var(--border-strong);
  color: var(--text-primary);
  font-weight: 500;
}

.search-input-wrap {
  position: relative;
  width: 220px;
}

.search-input {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-family: var(--font-sans);
  padding: 5px 10px 5px 28px;
  border-radius: var(--radius-xs);
  font-size: 12px;
  outline: none;
  transition: border-color var(--transition-fast);
}

.search-input:focus {
  border-color: var(--border-strong);
}

.search-icon {
  position: absolute;
  left: 9px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 13px;
  height: 13px;
}

/* Grille de table */
.table-scroll-container {
  max-height: 260px;
  overflow: auto;
  position: relative;
  background: var(--bg-surface);
  border-left: 1px solid var(--border-subtle);
  border-right: 1px solid var(--border-subtle);
  width: 100%;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  text-align: left;
}

.data-table th {
  position: sticky;
  top: 0;
  background: #11141B;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 8px 14px;
  border-bottom: 1px solid var(--border-strong);
  white-space: nowrap;
  z-index: 10;
}

.data-table td {
  padding: 7px 14px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
  white-space: nowrap;
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  position: relative;
}

.data-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* Surbrillance des cellules modifiées */
.cell-modified {
  background: rgba(16, 185, 129, 0.07) !important;
  color: #34D399 !important;
  font-weight: 500;
}

.cell-ai-modified {
  background: rgba(56, 189, 248, 0.09) !important;
  color: #7DD3FC !important;
  font-weight: 500;
}

.diff-badge {
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 600;
  margin-left: 6px;
  padding: 1px 4px;
  border-radius: 2px;
  background: rgba(16, 185, 129, 0.2);
  color: #10B981;
}

.diff-badge.ai {
  background: rgba(56, 189, 248, 0.25);
  color: #38BDF8;
}

/* Barre d'export & actions finales */
.table-footer-export {
  padding: 12px 16px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-top: none;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  width: 100%;
}

.export-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-export {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  padding: 6px 13px;
  border-radius: var(--radius-xs);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: all var(--transition-fast);
}

.btn-export:hover {
  background: var(--bg-surface-hover);
  border-color: #475569;
}

.btn-export.primary {
  background: var(--accent-white);
  color: var(--text-inverted);
  border-color: var(--accent-white);
}

.btn-export.primary:hover {
  background: #E8EAED;
}

/* ==========================================================================
   Bannière Sécurité & Pied de page Légal (Pleine Largeur — Compact 100vh)
   ========================================================================== */
.security-banner {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  padding: 10px 48px;
  background: #0D1016;
  border-top: 1px solid var(--border-subtle);
  margin: 0;
  font-size: 11.5px;
  color: var(--text-secondary);
  width: 100%;
  flex-wrap: wrap;
}

.security-item {
  display: flex;
  align-items: center;
  gap: 7px;
}

.site-footer {
  flex-shrink: 0;
  margin-top: 0;
  padding: 12px 48px;
  background: #0A0C10;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11.5px;
  color: var(--text-muted);
  width: 100%;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-links {
  display: flex;
  gap: 16px;
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--text-primary);
}

/* ==========================================================================
   Modales (Tarification Pro, Légal & Paramètres Clé API)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  max-width: 520px;
  width: 100%;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
  overflow: hidden;
  transform: translateY(12px) scale(0.98);
  transition: all var(--transition-normal);
}

.modal-overlay.active .modal-dialog {
  transform: translateY(0) scale(1);
}

.modal-header {
  padding: 20px 24px;
  background: var(--bg-surface-elevated);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
  padding: 4px;
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 24px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Tarification dans la modale */
.pricing-options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 18px 0 22px;
}

.pricing-plan-card {
  border: 1px solid var(--border-strong);
  background: var(--bg-surface-elevated);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.pricing-plan-card.featured {
  border-color: var(--accent-white);
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.08);
}

.plan-name {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-bottom: 8px;
}

.plan-price {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-mono);
  margin-bottom: 6px;
}

.plan-price small {
  font-size: 12px;
  font-weight: 400;
  color: var(--text-secondary);
}

.plan-desc {
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.btn-plan {
  width: 100%;
  padding: 8px;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid var(--border-strong);
  background: var(--bg-surface);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.btn-plan.primary {
  background: var(--accent-white);
  color: var(--text-inverted);
  border-color: var(--accent-white);
}

.btn-plan:hover {
  filter: brightness(1.1);
}

/* Modal form controls */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  outline: none;
}

.form-input:focus {
  border-color: var(--border-strong);
}

/* Toast notifications (Positionnées en haut à droite pour ne JAMAIS être masquées par le badge Netlify) */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  bottom: auto;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 420px;
}

.toast {
  background: #181C26;
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
  animation: slideDown 200ms ease-out;
}

.toast.error {
  background: #230B0B;
  border-color: #DC2626;
  color: #FCA5A5;
}

.toast.success {
  background: #0B2014;
  border-color: #059669;
  color: #A7F3D0;
}

.toast.info {
  background: #101B2E;
  border-color: #2563EB;
  color: #BFDBFE;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Keyframe animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .app-container { padding: 0 0 60px 0; }
  .site-header { padding: 14px 20px; flex-direction: column; gap: 12px; align-items: stretch; }
  .header-actions { justify-content: space-between; }
  .hero-section { padding: 0 18px; margin: 28px auto 24px; }
  .hero-title { font-size: 26px; }
  .workbench-card, .audit-report-section, .data-preview-card { padding: 0 16px; }
  .security-banner, .site-footer { padding: 16px 20px; }
  .engine-config-bar { padding: 14px 16px; flex-direction: column; align-items: stretch; }
  .download-action-bar { padding: 16px 18px; flex-direction: column; align-items: stretch; }
  .download-buttons-cluster { flex-direction: column; width: 100%; }
  .btn-download-primary, .btn-download-secondary { width: 100%; justify-content: center; }
  .pricing-options-grid { grid-template-columns: 1fr; }
}

/* Barre de pagination fluide */
.table-pagination-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-surface-elevated);
  font-size: 12px;
  color: var(--text-secondary);
  flex-wrap: wrap;
  gap: 12px;
}

.table-pagination-bar select {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  font-size: 12px;
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.table-pagination-bar select:focus {
  border-color: var(--accent-cyan);
}