/* ────────────────────────────────────────────────────────────────
   1. VARIABLES & RESET
   ──────────────────────────────────────────────────────────────── */

:root {
  /* Couleurs de surface */
  --color-bg:          #F7F7F5;      
  --color-surface:     #FFFFFF;      
  --color-surface-alt: #F0EFF8;       
  --color-border:      #E4E3DE;   
  --color-border-focus:#3B4CCA;   

  /* Les écritures */
  --color-text-primary:  #1A1A2E; 
  --color-text-secondary:#5C5C7A; 
  --color-text-muted:    #9B9BB0; 

  /* Accentuation fonctionnelle */
  --color-accent:      #3B4CCA;   
  --color-accent-light:#EEF0FB;   
  --color-success:     #16A34A;   
  --color-warning:     #D97706;   
  --color-danger:      #DC2626;   

  /* Ombres */
  --shadow-sm:  0 1px 3px rgba(26,26,46,.06), 0 1px 2px rgba(26,26,46,.04);
  --shadow-md:  0 4px 12px rgba(26,26,46,.08), 0 2px 4px rgba(26,26,46,.04);
  --shadow-focus: 0 0 0 3px rgba(59,76,202,.18);

  /* Géométrie */
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   14px;
  --sidebar-w:   248px;

  /* Polices */
  --font-sans:  'Plus Jakarta Sans', sans-serif;
  --font-serif: 'Lora', serif;

  /* Transitions */
  --transition-fast:  .12s ease;
  --transition-base:  .2s ease;
}


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

html,
body {
  height: 100%;
  overflow: hidden;          
  font-family: var(--font-sans);
  font-size: 15px;
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }
input, select { font-family: inherit; }


/* ────────────────────────────────────────────────────────────────
   2. LAYOUT PRINCIPAL
   Grille à deux colonnes : sidebar fixe + zone de travail
   ──────────────────────────────────────────────────────────────── */

.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  height: 100vh;
  background-color: var(--color-bg);
}


/* ────────────────────────────────────────────────────────────────
   3. SIDEBAR
   ──────────────────────────────────────────────────────────────── */

.sidebar {
  display: flex;
  flex-direction: column;
  background-color: var(--color-surface);
  border-right: 1px solid var(--color-border);
  overflow: hidden;
}

/* ── Logo ── */
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: .65rem;
  padding: 1.4rem 1.25rem 1.2rem;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background-color: var(--color-accent);
  color: #fff;
  font-weight: 700;
  font-size: .9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

.brand-name {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -.025em;
  color: var(--color-text-primary);
}

/* ── Navigation ── */
.sidebar-nav {
  padding: 1.1rem .85rem .5rem;
}

/* Titre de section */
.nav-section-label {
  font-size: .68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--color-text-muted);
  padding: 0 .5rem;
  margin-bottom: .5rem;
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

/* Élément de navigation */
.nav-item {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .5rem .65rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color var(--transition-fast);
  user-select: none;
}

.nav-item:hover {
  background-color: var(--color-surface-alt);
}

.nav-item.active {
  background-color: var(--color-accent-light);
}

.nav-item.active .nav-label {
  color: var(--color-accent);
  font-weight: 600;
}

.nav-icon {
  font-size: .75rem;
  width: 18px;
  text-align: center;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

/* Les points colorés des listes personnalisées */
.nav-icon.list-dot {
  color: var(--dot-color);
  font-size: .55rem;
}

.nav-item.active .nav-icon {
  color: var(--color-accent);
}

.nav-label {
  flex: 1;
  font-size: .875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Badge de comptage */
.nav-badge {
  font-size: .7rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 99px;
  padding: .1rem .45rem;
  min-width: 22px;
  text-align: center;
  flex-shrink: 0;
}

/* Badge urgent — priorité haute */
.nav-badge.urgent {
  background-color: #FEF2F2;
  color: var(--color-danger);
  border-color: #FECACA;
}

/* ── Pied de sidebar ── */
.sidebar-footer {
  margin-top: auto;
  padding: 1rem .85rem;
  border-top: 1px solid var(--color-border);
}

.user-card {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .5rem .65rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.user-card:hover {
  background-color: var(--color-surface-alt);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), #6D7FE0);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.user-name {
  display: block;
  font-size: .83rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.user-role {
  display: block;
  font-size: .72rem;
  color: var(--color-text-muted);
}


/* ────────────────────────────────────────────────────────────────
   4. PANNEAU PRINCIPAL
   ──────────────────────────────────────────────────────────────── */

.main-panel {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background-color: var(--color-bg);
}

/* ── Topbar ── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 2rem;
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-surface);
  flex-shrink: 0;
}

.view-title {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--color-text-primary);
}

.view-date {
  display: block;
  font-size: .78rem;
  color: var(--color-text-muted);
  margin-top: .1rem;
  font-style: italic;
  font-family: var(--font-serif);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: .5rem;
}

/* Boutons icône + dans la topbar */
.icon-btn {
  width: 34px;
  height: 34px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: transparent;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.icon-btn:hover {
  background-color: var(--color-surface-alt);
  color: var(--color-text-primary);
}

.icon-btn.danger:hover {
  background-color: #FEF2F2;
  color: var(--color-danger);
  border-color: #FECACA;
}

.icon-btn:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

/* ── Zone scrollable ── */
.main-content {
  flex: 1;
  overflow-y: auto;
  padding: 1.75rem 2rem 3rem;
}

.main-content::-webkit-scrollbar {
  width: 5px;
}

.main-content::-webkit-scrollbar-thumb {
  background-color: var(--color-border);
  border-radius: 99px;
}


/* ────────────────────────────────────────────────────────────────
   5. BLOC D'AJOUT DE TÂCHE
   ──────────────────────────────────────────────────────────────── */

.add-section {
  margin-bottom: 1.5rem;
}

/* Carte contenant le champ de saisie */
.input-card {
  display: flex;
  align-items: center;
  gap: .75rem;
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: .7rem .75rem .7rem 1.1rem;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.input-card:focus-within {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-focus);
}

.input-prefix {
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  flex-shrink: 0;
  transition: color var(--transition-base);
}

.input-card:focus-within .input-prefix {
  color: var(--color-accent);
}

.task-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: .95rem;
  color: var(--color-text-primary);
  font-weight: 400;
}

.task-input::placeholder {
  color: var(--color-text-muted);
  font-style: italic;
  font-family: var(--font-serif);
}

/* Bouton de soumission */
.submit-btn {
  flex-shrink: 0;
  background-color: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: .48rem 1.1rem;
  font-size: .83rem;
  font-weight: 600;
  letter-spacing: .01em;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.submit-btn:hover {
  opacity: .88;
  transform: translateY(-1px);
}

.submit-btn:active {
  transform: translateY(0);
  opacity: 1;
}

.submit-btn:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

/* ── Options contextuelles (priorité + liste) ── */
.input-options {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: .85rem;
  padding-left: .25rem;
  flex-wrap: wrap;
}

.option-group {
  display: flex;
  align-items: center;
  gap: .6rem;
}

.option-label {
  font-size: .75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  white-space: nowrap;
}

/* Boutons de priorité */
.priority-selector {
  display: flex;
  gap: .35rem;
}

.priority-btn {
  display: flex;
  align-items: center;
  gap: .35rem;
  padding: .28rem .7rem;
  border: 1.5px solid var(--color-border);
  border-radius: 99px;
  background-color: var(--color-surface);
  font-size: .76rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.priority-btn:hover {
  border-color: var(--color-text-muted);
  color: var(--color-text-primary);
}

.priority-btn.selected {
  border-color: var(--color-accent);
  background-color: var(--color-accent-light);
  color: var(--color-accent);
}

.priority-btn:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

/* Petit point de couleur de priorité */
.p-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

/* Sélecteur de liste */
.list-select {
  padding: .28rem .65rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface);
  font-size: .78rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition-fast);
  appearance: auto;
}

.list-select:focus {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-focus);
}


/* ────────────────────────────────────────────────────────────────
   6. BARRE DE PROGRESSION
   ──────────────────────────────────────────────────────────────── */

.progress-section {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.progress-bar-track {
  flex: 1;
  height: 5px;
  background-color: var(--color-border);
  border-radius: 99px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent) 0%, #6D7FE0 100%);
  border-radius: 99px;
  width: 0%;
  transition: width .45s cubic-bezier(.34,1.56,.64,1);
}

.progress-label {
  font-size: .75rem;
  color: var(--color-text-muted);
  white-space: nowrap;
  min-width: 70px;
  text-align: right;
}


/* ────────────────────────────────────────────────────────────────
   7. ONGLETS DE FILTRE
   ──────────────────────────────────────────────────────────────── */

.filter-tabs {
  display: flex;
  gap: .25rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0;
}

.tab {
  display: flex;
  align-items: center;
  gap: .4rem;
  padding: .55rem 1rem;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;           
  background-color: transparent;
  font-size: .83rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

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

.tab.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
  font-weight: 600;
}

.tab:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

/* Compteur sur les onglets */
.tab-count {
  font-size: .68rem;
  font-weight: 600;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 99px;
  padding: .08rem .4rem;
  min-width: 20px;
  text-align: center;
  color: var(--color-text-muted);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.tab.active .tab-count {
  background-color: var(--color-accent-light);
  border-color: transparent;
  color: var(--color-accent);
}


/* ────────────────────────────────────────────────────────────────
   8. LISTE DE TÂCHES
   ──────────────────────────────────────────────────────────────── */

.tasks-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* ── Carte de tâche ── */
.task-item {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: .8rem 1rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  cursor: default;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);

  /* Animation d'apparition */
  animation: task-enter .2s ease both;
}

.task-item:hover {
  border-color: #D1D0E8;
  box-shadow: var(--shadow-md);
}

/* Animation d'entrée */
@keyframes task-enter {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Animation de sortie*/
.task-item.task-exit {
  animation: task-exit .18s ease forwards;
}

@keyframes task-exit {
  to {
    opacity: 0;
    transform: scale(.97) translateX(8px);
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    margin: 0;
    border-width: 0;
  }
}

/* Checkbox circulaire */
.task-checkbox {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  background-color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition:
    border-color var(--transition-fast),
    background-color var(--transition-fast),
    transform var(--transition-fast);
  color: transparent;
  padding: 0;
}

.task-checkbox:hover {
  border-color: var(--color-success);
  transform: scale(1.1);
}

.task-checkbox.checked {
  background-color: var(--color-success);
  border-color: var(--color-success);
  color: #fff;
}

.task-checkbox:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

/* ── Indicateur de priorité ── */
.priority-indicator {
  width: 3px;
  height: 28px;
  border-radius: 99px;
  flex-shrink: 0;
  opacity: .7;
}

/* ── Corps de la tâche ── */
.task-body {
  flex: 1;
  min-width: 0;
}

.task-text {
  font-size: .9rem;
  font-weight: 500;
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color var(--transition-fast);
}

/* Style tâche terminée */
.task-text.done {
  text-decoration: line-through;
  color: var(--color-text-muted);
}

/* Champ d'édition inline */
.task-edit-input {
  width: 100%;
  background-color: transparent;
  border: none;
  border-bottom: 1.5px solid var(--color-accent);
  outline: none;
  font-family: var(--font-sans);
  font-size: .9rem;
  font-weight: 500;
  color: var(--color-text-primary);
  padding-bottom: 2px;
}

/* Informations de la tâche (liste + priorité) */
.task-meta {
  display: flex;
  align-items: center;
  gap: .4rem;
  margin-top: .2rem;
}

.task-tag {
  font-size: .68rem;
  font-weight: 500;
  color: var(--color-text-muted);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: .06rem .42rem;
  border-radius: 4px;
  white-space: nowrap;
}

/* ── Actions contextuelles (visibles au survol) ── */
.task-actions {
  display: flex;
  gap: .25rem;
  opacity: 0;
  transition: opacity var(--transition-fast);
  flex-shrink: 0;
}

.task-item:hover .task-actions {
  opacity: 1;
}

/* Boutons d'action de la tâche */
.task-action-btn {
  width: 28px;
  height: 28px;
  border: none;
  border-radius: var(--radius-sm);
  background-color: transparent;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .78rem;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.task-action-btn:hover {
  background-color: var(--color-bg);
  color: var(--color-text-primary);
}

.task-action-btn.delete:hover {
  background-color: #FEF2F2;
  color: var(--color-danger);
}

.task-action-btn:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}


/* ────────────────────────────────────────────────────────────────
   9. QUAND IL N'Y A PAS DE TÂCHE
   ──────────────────────────────────────────────────────────────── */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  text-align: center;
  gap: .6rem;
  animation: task-enter .3s ease;
}

.empty-icon {
  width: 40px;
  height: 40px;
  opacity: .2;
  margin-bottom: .5rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.empty-title {
  font-size: .95rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.empty-subtitle {
  font-size: .82rem;
  color: var(--color-text-muted);
  font-family: var(--font-serif);
  font-style: italic;
}


/* ────────────────────────────────────────────────────────────────
   10. RESPONSIVE
   ──────────────────────────────────────────────────────────────── */

@media (max-width: 720px) {
  :root {
    --sidebar-w: 56px;   /* Sidebar réduite en icônes uniquement */
  }

  /* On masque tous les textes dans la sidebar */
  .brand-name,
  .nav-section-label,
  .nav-label,
  .nav-badge,
  .user-name,
  .user-role {
    display: none;
  }

  .sidebar-brand {
    justify-content: center;
    padding: 1rem .5rem;
  }

  .nav-item {
    justify-content: center;
    padding: .6rem;
  }

  .user-card {
    justify-content: center;
  }

  .topbar {
    padding: .9rem 1.25rem;
  }

  .main-content {
    padding: 1.25rem 1.25rem 2rem;
  }

  .input-options {
    gap: .75rem;
  }
}

@media (max-width: 480px) {
  .filter-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .priority-selector {
    flex-wrap: wrap;
  }
}