/* ==========================================================================
   MIS-AO Design System — Méthode ux-webapp-design
   Marobag Menuiserie Intérieure SA & Copilote Chiffrage Suisse
   Accessibilité WCAG 2.2 AA | Cibles ≥ 44px | Focus Visible | Formatage Suisse
   ========================================================================== */

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

:root {
  /* Identité Marobag & Couleurs Primaires */
  --color-primary: #8F5A3B;           /* Bois chaud Marobag */
  --color-primary-hover: #75472E;     /* Bois foncé au survol */
  --color-primary-subtle: #FAF6F3;    /* Fond doux bois */
  --color-primary-border: #E8D8CD;    /* Bordure bois subtile */

  /* Neutres & Surfaces */
  --color-bg: #F8FAFC;                /* Fond d'application ardoise très clair */
  --color-surface: #FFFFFF;           /* Surface de carte/volet */
  --color-surface-hover: #F1F5F9;     /* Surface au survol */
  --color-border: #E2E8F0;            /* Bordure standard */
  --color-border-subtle: #F1F5F9;     /* Bordure discrète */
  
  /* Typographie & Lisibilité (WCAG 2.2 AA Contraste ≥ 4.5:1) */
  --color-text-main: #0F172A;         /* Texte principal quasi-noir */
  --color-text-secondary: #475569;    /* Texte secondaire gris ardoise */
  --color-text-muted: #64748B;        /* Texte tertiaire / métadonnées */
  
  /* Couleurs Sémantiques (Conformes aux contrastes légaux) */
  --color-success: #15803D;           /* Vert succès / Adjugé */
  --color-success-bg: #F0FDF4;
  --color-success-border: #BBF7D0;
  
  --color-warning: #B45309;           /* Ambre avertissement / En attente */
  --color-warning-bg: #FFFBEB;
  --color-warning-border: #FDE68A;
  
  --color-danger: #B91C1C;            /* Rouge danger / Perdu / Écart */
  --color-danger-bg: #FEF2F2;
  --color-danger-border: #FECACA;
  
  --color-info: #0369A1;              /* Bleu information / Normes SIA */
  --color-info-bg: #F0F9FF;
  --color-info-border: #BAE6FD;

  /* Ombres portées & Élévation */
  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
  --shadow-overlay: 0 20px 25px -5px rgba(15, 23, 42, 0.15), 0 8px 10px -6px rgba(15, 23, 42, 0.1);

  /* Variables d'alignement Copilot Fluent */
  --copilot-bg: #FFFFFF;
  --copilot-sidebar: #FBFBFB;
  --copilot-sidebar-hover: #F0F0F0;
  --copilot-sidebar-active: #E8E8E8;
  --copilot-border: #E2E8F0;
  --copilot-text: #0F172A;
  --copilot-text-secondary: #475569;
  --copilot-shadow-composer: 0 4px 20px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--color-bg);
  color: var(--color-text-main);
  font-family: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  overflow-x: hidden;
}

/* --------------------------------------------------------------------------
   Accessibilité WCAG 2.2 AA : Focus Visible & Cibles Tactiles
   -------------------------------------------------------------------------- */

:focus-visible {
  outline: 2px solid var(--color-primary) !important;
  outline-offset: 2px !important;
}

.skip-link {
  position: absolute;
  top: -60px;
  left: 16px;
  background-color: var(--color-primary);
  color: #FFFFFF;
  padding: 10px 18px;
  font-weight: 600;
  font-size: 14px;
  border-radius: 0 0 8px 8px;
  z-index: 10000;
  text-decoration: none;
  box-shadow: var(--shadow-lg);
  transition: top 0.2s ease-in-out;
}

.skip-link:focus {
  top: 0;
}

/* Utilitaires typographiques et formats suisses */
.tnum {
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.font-segoe {
  font-family: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Scrollbars modernes et discrètes (WebKit + Firefox) */
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(100, 116, 139, 0.25) transparent;
}
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(100, 116, 139, 0.2);
  border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(100, 116, 139, 0.4);
}

/* Respect de la préférence utilisateur pour les animations réduites (WCAG 2.3.3) */
@media (prefers-reduced-motion: reduce) {
  *,
  ::before,
  ::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .animate-ping,
  .animate-pulse,
  .animate-spin {
    animation: none !important;
  }
}


/* --------------------------------------------------------------------------
   Boutons d'Action — Règle : Verbe + Objet direct (Cibles ≥ 44px)
   -------------------------------------------------------------------------- */

.btn-base {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px; /* WCAG 2.2 AA — cible tactile ≥ 44px (critère 2.5.8) */
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.25;
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease, transform 0.05s ease;
  user-select: none;
  white-space: nowrap;
}

.btn-base:active {
  transform: scale(0.98);
}

/* État désactivé — WCAG : distinguer visuellement, expliquer dans le contexte */
.btn-base:disabled,
.btn-base[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
  transform: none;
}

/* Bouton d'Action Primaire (1 seul dominant par écran) */
.btn-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
}

/* Bouton Secondaire */
.btn-secondary {
  background-color: #FFFFFF;
  color: var(--color-text-main);
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background-color: var(--color-surface-hover);
  border-color: #CBD5E1;
}

/* Bouton Discret (Ghost) */
.btn-ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
}

.btn-ghost:hover {
  background-color: rgba(143, 90, 59, 0.08);
  color: var(--color-primary);
}

/* Bouton Danger */
.btn-danger {
  background-color: #FFFFFF;
  color: var(--color-danger);
  border-color: var(--color-danger-border);
}

.btn-danger:hover {
  background-color: var(--color-danger-bg);
}

/* Puces d'actions rapides (Chips) */
.copilot-chip {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 9999px;
  color: var(--color-text-main);
  font-size: 12.5px;
  font-weight: 500;
  padding: 8px 16px;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all 0.15s ease;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.copilot-chip:hover {
  background-color: var(--color-primary-subtle);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.copilot-chip:active {
  transform: scale(0.98);
}

/* --------------------------------------------------------------------------
   Navigation & Shell
   -------------------------------------------------------------------------- */

.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  min-height: 44px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.sidebar-nav-item:hover {
  background-color: rgba(143, 90, 59, 0.06);
  color: var(--color-primary);
}

.sidebar-nav-item.active {
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
  font-weight: 600;
  border-left: 3px solid var(--color-primary);
}

/* --------------------------------------------------------------------------
   Stepper Pipeline Commercial en 7 Étapes
   -------------------------------------------------------------------------- */

.pipeline-stepper {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  padding: 4px 0;
}

.pipeline-step {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 11.5px;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.15s ease;
  background: #F1F5F9;
  color: var(--color-text-secondary);
  border: 1px solid transparent;
}

.pipeline-step.completed {
  background: var(--color-success-bg);
  color: var(--color-success);
  border-color: var(--color-success-border);
}

.pipeline-step.active {
  background: var(--color-primary-subtle);
  color: var(--color-primary);
  font-weight: 700;
  border-color: var(--color-primary-border);
  box-shadow: var(--shadow-sm);
}

.pipeline-step.pending {
  background: #F8FAFC;
  color: #94A3B8;
  border-color: #E2E8F0;
}

/* --------------------------------------------------------------------------
   Tableaux de Données Métier (Sticky Header & Formatage)
   -------------------------------------------------------------------------- */

.fluent-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 13px;
}

.fluent-table th {
  text-align: left;
  padding: 12px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
  background-color: #F8FAFC;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.fluent-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--color-border-subtle);
  color: var(--color-text-main);
  vertical-align: middle;
}

.fluent-table tr:hover td {
  background-color: #F8FAFC;
}

.table-numeric {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* --------------------------------------------------------------------------
   Zone de Dépôt d'Appel d'Offres & Saisie Copilote
   -------------------------------------------------------------------------- */

.dropzone-container {
  border: 2px dashed #CBD5E1;
  border-radius: 16px;
  background-color: #FFFFFF;
  padding: 40px 24px;
  text-align: center;
  transition: all 0.2s ease-in-out;
  cursor: pointer;
}

.dropzone-container:hover,
.dropzone-container.dragover {
  border-color: var(--color-primary);
  background-color: var(--color-primary-subtle);
}

/* Capsule Copilot Input */
.copilot-composer {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 9999px;
  box-shadow: var(--copilot-shadow-composer);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.copilot-composer:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(143, 90, 59, 0.15), var(--copilot-shadow-composer);
}

/* L'input intérieur du composer ne doit pas afficher outline par défaut
   car le :focus-within du parent le gère. On le préserve uniquement en mode focus-visible. */
.copilot-composer input:focus {
  outline: none;
}


/* --------------------------------------------------------------------------
   Overlay d'Analyse en Plein Écran (Microsoft HAX Feedback)
   -------------------------------------------------------------------------- */

.analysis-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(6px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: fadeIn 0.2s ease-out;
}

.analysis-card {
  background: #FFFFFF;
  border-radius: 20px;
  max-width: 520px;
  width: 100%;
  padding: 36px 32px;
  box-shadow: var(--shadow-overlay);
  text-align: center;
}

@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.98); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.spinner-marobag {
  width: 44px;
  height: 44px;
  border: 3px solid rgba(143, 90, 59, 0.15);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto;
  will-change: transform; /* Hint GPU pour optimiser la rotation */
}


/* --------------------------------------------------------------------------
   Aperçu Feuille A4 Devis
   -------------------------------------------------------------------------- */

.a4-sheet {
  background: #FFFFFF;
  box-shadow: 0 4px 25px rgba(15, 23, 42, 0.08), 0 1px 3px rgba(15, 23, 42, 0.04);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  max-width: 720px;
  margin: 0 auto;
  padding: 44px 48px;
}

/* --------------------------------------------------------------------------
   Rendu Markdown dans le Copilote
   -------------------------------------------------------------------------- */

.prose {
  color: var(--color-text-main);
  font-size: 13.5px;
  line-height: 1.6;
}
.prose h1, .prose h2, .prose h3, .prose h4 {
  color: var(--color-text-main);
  font-weight: 600;
  margin-top: 1rem;
  margin-bottom: 0.35rem;
  line-height: 1.3;
}
.prose h1 { font-size: 1.25rem; font-weight: 700; }
.prose h2 { font-size: 1.1rem; border-bottom: 1px solid var(--color-border); padding-bottom: 0.3rem; }
.prose h3 { font-size: 0.98rem; }
.prose h4 { font-size: 0.9rem; }
.prose p { margin-top: 0.4rem; margin-bottom: 0.4rem; }
.prose ul { list-style-type: disc; padding-left: 1.4rem; margin-top: 0.35rem; margin-bottom: 0.45rem; }
.prose ol { list-style-type: decimal; padding-left: 1.4rem; margin-top: 0.35rem; margin-bottom: 0.45rem; }
.prose li { margin-top: 0.2rem; margin-bottom: 0.2rem; }
.prose strong { font-weight: 600; color: var(--color-text-main); }
.prose blockquote { border-left: 3px solid var(--color-primary); padding-left: 0.85rem; color: var(--color-text-secondary); margin: 0.6rem 0; font-style: italic; }
.prose code { background: #F1F5F9; color: var(--color-text-main); padding: 2px 6px; border-radius: 4px; font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: 12px; }
.prose pre { background: #0F172A; color: #F8FAFC; padding: 12px 16px; border-radius: 8px; overflow-x: auto; font-size: 12px; margin: 0.75rem 0; }
.prose pre code { background: transparent; padding: 0; color: inherit; }

/* Tableaux dans le chat */
.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 12.5px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  overflow: hidden;
}
.prose th {
  background-color: #F8FAFC;
  color: var(--color-text-secondary);
  font-weight: 600;
  text-align: left;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
}
.prose td {
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  color: var(--color-text-main);
}
.prose tr:nth-child(even) td {
  background-color: #F8FAFC;
}
.prose tr:hover td {
  background-color: #F1F5F9;
}

/* --------------------------------------------------------------------------
   Styles Microsoft Copilot (Commutateur, Cartes, Citations & Discussions)
   -------------------------------------------------------------------------- */

/* Commutateur Segmented Chat / Offres */
.copilot-switcher {
  background-color: #EBEBEB;
  border-radius: 9999px;
  padding: 3px;
  display: flex;
  gap: 2px;
}

.copilot-switcher-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
  border: none;
  background: transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
  white-space: nowrap;
}

.copilot-switcher-btn:hover {
  color: var(--color-text-main);
}

.copilot-switcher-btn.active {
  background-color: #FFFFFF;
  color: var(--color-text-main);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

/* Bouton "+ Nouvelle discussion" (Style Pilule Copilot) */
.btn-copilot-new {
  background-color: #F0EDE9;
  color: #111827;
  border-radius: 9999px;
  font-size: 13px;
  font-weight: 600;
  padding: 9px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  border: none;
  cursor: pointer;
  transition: background-color 0.15s ease, transform 0.05s ease;
  box-shadow: var(--shadow-sm);
}

.btn-copilot-new:hover {
  background-color: #E5E1DC;
}

.btn-copilot-new:active {
  transform: scale(0.99);
}

/* Cartes de démarrage rapide Copilot (Starter Cards) */
.copilot-starter-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 16px 18px;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.copilot-starter-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  background-color: var(--color-primary-subtle);
}

/* Badges de citations de sources Copilot */
.copilot-citation {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 9999px;
  background-color: #FAF6F3;
  color: var(--color-primary);
  border: 1px solid var(--color-primary-border);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.12s ease;
  margin: 2px;
}

.copilot-citation:hover {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

/* Boutons d'action sous les messages Copilot */
.copilot-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  background-color: #FFFFFF;
  color: var(--color-text-secondary);
  font-size: 11.5px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.12s ease;
}

.copilot-action-btn:hover {
  background-color: var(--color-surface-hover);
  color: var(--color-text-main);
  border-color: #CBD5E1;
}

/* Élément de discussion dans la barre latérale */
.discussion-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 12.5px;
  color: var(--color-text-main);
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.12s ease;
  user-select: none;
}

.discussion-item:hover {
  background-color: rgba(143, 90, 59, 0.06);
}

.discussion-item.active {
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
  font-weight: 600;
  border-left: 3px solid var(--color-primary);
}