/* ===================================================
   PCT Tasks Lite - Modern UI v4.0
   =================================================== */

:root {
  /* Couleurs principales */
  --pctl-primary: #6366f1;
  --pctl-primary-hover: #4f46e5;
  --pctl-success: #10b981;
  --pctl-success-light: #d1fae5;
  --pctl-warning: #f59e0b;
  --pctl-warning-light: #fef3c7;
  --pctl-danger: #ef4444;
  --pctl-danger-light: #fee2e2;
  
  /* Neutres */
  --pctl-bg: #f8fafc;
  --pctl-bg-card: #ffffff;
  --pctl-border: #e2e8f0;
  --pctl-text: #1e293b;
  --pctl-text-muted: #64748b;
  --pctl-text-light: #94a3b8;
  
  /* Ombres */
  --pctl-shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --pctl-shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --pctl-shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  
  /* Rayons */
  --pctl-radius: 12px;
  --pctl-radius-lg: 16px;
  
  /* Transitions */
  --pctl-transition: all 0.2s ease;
}

/* Mode sombre */
@media (prefers-color-scheme: dark) {
  :root {
    --pctl-bg: #0f172a;
    --pctl-bg-card: #1e293b;
    --pctl-border: #334155;
    --pctl-text: #f1f5f9;
    --pctl-text-muted: #94a3b8;
    --pctl-text-light: #64748b;
  }
}

/* Container principal */
.pctl-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--pctl-text);
}

/* === STATISTIQUES === */
.pctl-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.pctl-stat-card {
  background: var(--pctl-bg-card);
  border: 1px solid var(--pctl-border);
  border-radius: var(--pctl-radius);
  padding: 16px;
  text-align: center;
  box-shadow: var(--pctl-shadow-sm);
  transition: var(--pctl-transition);
}

.pctl-stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--pctl-shadow);
}

.pctl-stat-number {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 4px;
}

.pctl-stat-number.green { color: var(--pctl-success); }
.pctl-stat-number.orange { color: var(--pctl-warning); }
.pctl-stat-number.red { color: var(--pctl-danger); }
.pctl-stat-number.blue { color: var(--pctl-primary); }

.pctl-stat-label {
  font-size: 0.75rem;
  color: var(--pctl-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* === FORMULAIRE D'AJOUT === */
.pctl-add {
  background: var(--pctl-bg-card);
  border: 1px solid var(--pctl-border);
  border-radius: var(--pctl-radius-lg);
  padding: 20px;
  margin-bottom: 24px;
  box-shadow: var(--pctl-shadow);
}

.pctl-add-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--pctl-text);
}

.pctl-add-title::before {
  content: '➕';
  font-size: 1.2rem;
}

.pctl-add textarea#pctl-desc {
  width: 100%;
  min-height: 100px;
  padding: 14px;
  border-radius: var(--pctl-radius);
  border: 2px solid var(--pctl-border);
  background: var(--pctl-bg);
  color: var(--pctl-text);
  font-size: 0.95rem;
  resize: vertical;
  transition: var(--pctl-transition);
  margin-bottom: 16px;
}

.pctl-add textarea#pctl-desc:focus {
  outline: none;
  border-color: var(--pctl-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.pctl-add textarea#pctl-desc::placeholder {
  color: var(--pctl-text-light);
}

.pctl-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  align-items: end;
}

.pctl-grid input,
.pctl-grid select {
  width: 100%;
  padding: 10px 12px;
  border: 2px solid var(--pctl-border);
  border-radius: 8px;
  background: var(--pctl-bg);
  color: var(--pctl-text);
  font-size: 0.9rem;
  transition: var(--pctl-transition);
}

.pctl-grid input:focus,
.pctl-grid select:focus {
  outline: none;
  border-color: var(--pctl-primary);
}

.pctl-grid select {
  cursor: pointer;
}

/* Bouton principal */
#pctl-add {
  background: linear-gradient(135deg, var(--pctl-primary), var(--pctl-primary-hover));
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--pctl-transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

#pctl-add:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

#pctl-add:active {
  transform: translateY(0);
}

/* === SECTIONS === */
.pctl-section {
  margin-top: 32px;
  animation: fadeIn 0.3s ease;
}

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

.pctl-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--pctl-border);
}

.pctl-head h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
  color: var(--pctl-text);
}

.pctl-count {
  background: var(--pctl-primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  min-width: 28px;
  text-align: center;
}

.pctl-section[data-section="en_cours"] .pctl-count { background: var(--pctl-success); }
.pctl-section[data-section="en_attente"] .pctl-count { background: var(--pctl-warning); }
.pctl-section[data-section="archivee"] .pctl-count { background: var(--pctl-text-muted); }

.pctl-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.pctl-search {
  padding: 8px 14px;
  border: 2px solid var(--pctl-border);
  border-radius: 8px;
  background: var(--pctl-bg);
  color: var(--pctl-text);
  font-size: 0.85rem;
  min-width: 220px;
  transition: var(--pctl-transition);
}

.pctl-search:focus {
  outline: none;
  border-color: var(--pctl-primary);
}

.pctl-search::placeholder {
  color: var(--pctl-text-light);
}

/* Filtres */
.pctl-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.pctl-filter-btn {
  padding: 6px 12px;
  border: 1px solid var(--pctl-border);
  border-radius: 20px;
  background: var(--pctl-bg);
  color: var(--pctl-text-muted);
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--pctl-transition);
}

.pctl-filter-btn:hover,
.pctl-filter-btn.active {
  background: var(--pctl-primary);
  color: white;
  border-color: var(--pctl-primary);
}

/* Bouton export */
.pctl-export {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--pctl-bg);
  border: 1px solid var(--pctl-border);
  border-radius: 8px;
  color: var(--pctl-text);
  font-size: 0.85rem;
  text-decoration: none;
  transition: var(--pctl-transition);
}

.pctl-export:hover {
  background: var(--pctl-text);
  color: white;
}

/* === LISTE DES TÂCHES === */
.pctl-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* === CARTE TÂCHE === */
.pctl-item {
  position: relative;
  background: var(--pctl-bg-card);
  border: 1px solid var(--pctl-border);
  border-left: 5px solid var(--pctl-success);
  border-radius: var(--pctl-radius);
  padding: 16px;
  box-shadow: var(--pctl-shadow-sm);
  transition: var(--pctl-transition);
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

.pctl-item:hover {
  box-shadow: var(--pctl-shadow);
  transform: translateX(4px);
}

.pctl-item.prio-green { border-left-color: var(--pctl-success); }
.pctl-item.prio-orange { border-left-color: var(--pctl-warning); }
.pctl-item.prio-red { border-left-color: var(--pctl-danger); animation: pulse-red 2s infinite; }

@keyframes pulse-red {
  0%, 100% { box-shadow: var(--pctl-shadow-sm); }
  50% { box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2); }
}

/* Note/Description */
.pctl-note-wrap {
  margin-bottom: 12px;
}

.pctl-note {
  width: 100%;
  min-height: 60px;
  padding: 12px;
  border: 2px solid var(--pctl-border);
  border-radius: 8px;
  background: var(--pctl-bg);
  color: var(--pctl-text);
  font-size: 0.95rem;
  line-height: 1.5;
  resize: vertical;
  transition: var(--pctl-transition);
  white-space: pre-wrap;
}

.pctl-note:focus {
  outline: none;
  border-color: var(--pctl-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.pctl-hint {
  font-size: 0.7rem;
  color: var(--pctl-text-light);
  margin-top: 6px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.pctl-hint::before {
  content: '💡';
}

/* En-tête de carte */
.pctl-item .pctl-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  padding-bottom: 0;
  border-bottom: none;
}

.pctl-tl {
  font-weight: 700;
}

.pctl-plate {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px 6px 32px;
  background: var(--pctl-bg);
  border-radius: 6px;
  font-family: 'Courier New', monospace;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 1px;
}

.pctl-plate::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 10px;
  height: 18px;
  border-radius: 3px;
  background: var(--pctl-primary);
}

.pctl-plate.green::before { background: var(--pctl-success); }
.pctl-plate.orange::before { background: var(--pctl-warning); }
.pctl-plate.red::before { background: var(--pctl-danger); }

.pctl-tr {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* === CONTRÔLES === */
.pctl-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--pctl-border);
}

.pctl-controls input[type="date"],
.pctl-controls input[type="time"],
.pctl-controls select {
  padding: 8px 10px;
  border: 1px solid var(--pctl-border);
  border-radius: 6px;
  background: var(--pctl-bg);
  color: var(--pctl-text);
  font-size: 0.85rem;
  transition: var(--pctl-transition);
}

.pctl-controls input:focus,
.pctl-controls select:focus {
  outline: none;
  border-color: var(--pctl-primary);
}

/* Boutons actions */
.pctl-controls .button {
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--pctl-transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.button.pctl-wait {
  background: var(--pctl-warning-light);
  color: #92400e;
  border: 1px solid var(--pctl-warning);
}

.button.pctl-wait:hover {
  background: var(--pctl-warning);
  color: white;
}

.button.pctl-resume {
  background: var(--pctl-success-light);
  color: #065f46;
  border: 1px solid var(--pctl-success);
}

.button.pctl-resume:hover {
  background: var(--pctl-success);
  color: white;
}

.button.pctl-done {
  background: linear-gradient(135deg, var(--pctl-primary), var(--pctl-primary-hover));
  color: white;
  border: none;
}

.button.pctl-done:hover {
  transform: scale(1.02);
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.4);
}

.button.pctl-reopen {
  background: var(--pctl-bg);
  color: var(--pctl-text);
  border: 1px solid var(--pctl-border);
}

.button.pctl-reopen:hover {
  background: var(--pctl-text);
  color: white;
}

.button.pctl-delete,
.button-link-delete {
  background: var(--pctl-danger-light);
  color: var(--pctl-danger);
  border: 1px solid var(--pctl-danger);
  padding: 8px 12px;
}

.button.pctl-delete:hover,
.button-link-delete:hover {
  background: var(--pctl-danger);
  color: white;
}

/* === BOUTON WHATSAPP === */
.button.pctl-whatsapp {
  background: #dcfce7;
  color: #16a34a;
  border: 1px solid #22c55e;
  padding: 8px 12px;
  font-size: 1rem;
  transition: var(--pctl-transition);
}

.button.pctl-whatsapp:hover {
  background: #22c55e;
  color: white;
  transform: scale(1.05);
}

.button.pctl-whatsapp:active {
  transform: scale(0.98);
}

/* Animation pulsation pour rappel WhatsApp */
.button.pctl-whatsapp.pctl-reminder {
  animation: whatsapp-pulse 2s infinite;
}

@keyframes whatsapp-pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(34, 197, 94, 0);
  }
}

/* === BADGES === */
.pctl-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: 20px;
  background: var(--pctl-bg);
  color: var(--pctl-text-muted);
  font-size: 0.8rem;
  font-weight: 500;
}

.pctl-badge.pctl-danger {
  background: var(--pctl-danger-light);
  color: var(--pctl-danger);
  font-weight: 600;
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.pctl-deadline {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--pctl-text);
}

.pctl-closed {
  font-size: 0.8rem;
  color: var(--pctl-text-muted);
  background: var(--pctl-bg);
  padding: 4px 10px;
  border-radius: 6px;
}

/* === ÉTAT VIDE === */
.pctl-empty {
  padding: 40px 20px;
  border: 2px dashed var(--pctl-border);
  border-radius: var(--pctl-radius);
  color: var(--pctl-text-muted);
  text-align: center;
  font-size: 0.95rem;
}

.pctl-empty::before {
  content: '📋';
  display: block;
  font-size: 2rem;
  margin-bottom: 10px;
}

/* === TOAST NOTIFICATIONS === */
.pctl-toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pctl-toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: var(--pctl-bg-card);
  border-radius: 10px;
  box-shadow: var(--pctl-shadow-lg);
  border-left: 4px solid var(--pctl-primary);
  animation: toastIn 0.3s ease;
  max-width: 350px;
}

.pctl-toast.success { border-left-color: var(--pctl-success); }
.pctl-toast.warning { border-left-color: var(--pctl-warning); }
.pctl-toast.error { border-left-color: var(--pctl-danger); }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(100%); }
  to { opacity: 1; transform: translateX(0); }
}

.pctl-toast.hide {
  animation: toastOut 0.3s ease forwards;
}

@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(100%); }
}

.pctl-toast-icon {
  font-size: 1.3rem;
}

.pctl-toast-message {
  flex: 1;
  font-size: 0.9rem;
  color: var(--pctl-text);
}

.pctl-toast-close {
  background: none;
  border: none;
  color: var(--pctl-text-light);
  cursor: pointer;
  font-size: 1.2rem;
  padding: 0;
  line-height: 1;
}

.pctl-toast-close:hover {
  color: var(--pctl-text);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .pctl-wrapper {
    padding: 12px;
  }
  
  .pctl-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .pctl-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .pctl-grid > *:last-child {
    grid-column: 1 / -1;
  }
  
  .pctl-head {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .pctl-actions {
    width: 100%;
  }
  
  .pctl-search {
    width: 100%;
    min-width: unset;
  }
  
  .pctl-controls {
    flex-direction: column;
    align-items: stretch;
  }
  
  .pctl-controls input,
  .pctl-controls select,
  .pctl-controls .button {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .pctl-stats {
    grid-template-columns: 1fr;
  }
  
  .pctl-grid {
    grid-template-columns: 1fr;
  }
  
  .pctl-item .pctl-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

/* === LOADER === */
.pctl-loading {
  display: flex;
  justify-content: center;
  padding: 30px;
}

.pctl-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--pctl-border);
  border-top-color: var(--pctl-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* === KEYBOARD SHORTCUTS HINT === */
.pctl-shortcuts {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--pctl-bg-card);
  border: 1px solid var(--pctl-border);
  border-radius: 8px;
  padding: 12px;
  font-size: 0.75rem;
  color: var(--pctl-text-muted);
  box-shadow: var(--pctl-shadow);
  opacity: 0.7;
  transition: var(--pctl-transition);
}

.pctl-shortcuts:hover {
  opacity: 1;
}

.pctl-shortcuts kbd {
  background: var(--pctl-bg);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--pctl-border);
  font-family: monospace;
}

/* === MODAL WHATSAPP CONTACTS === */
.pctl-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.pctl-modal {
  background: var(--pctl-bg-card);
  border-radius: var(--pctl-radius-lg);
  width: 90%;
  max-width: 400px;
  box-shadow: var(--pctl-shadow-lg);
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from { 
    opacity: 0;
    transform: translateY(20px);
  }
  to { 
    opacity: 1;
    transform: translateY(0);
  }
}

.pctl-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--pctl-border);
}

.pctl-modal-header h3 {
  margin: 0;
  font-size: 1.1rem;
  color: var(--pctl-text);
}

.pctl-modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--pctl-text-muted);
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--pctl-transition);
}

.pctl-modal-close:hover {
  background: var(--pctl-danger-light);
  color: var(--pctl-danger);
}

.pctl-modal-body {
  padding: 20px;
}

.pctl-contact-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pctl-contact-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: var(--pctl-bg);
  border: 2px solid var(--pctl-border);
  border-radius: var(--pctl-radius);
  cursor: pointer;
  transition: var(--pctl-transition);
  text-decoration: none;
  color: inherit;
}

.pctl-contact-item:hover,
.pctl-contact-item:focus {
  border-color: #25D366;
  background: #dcfce7;
  transform: translateX(4px);
}

.pctl-contact-name {
  font-weight: 600;
  font-size: 1rem;
  color: var(--pctl-text);
}

.pctl-contact-phone {
  font-size: 0.85rem;
  color: var(--pctl-text-muted);
  font-family: monospace;
}

/* WhatsApp button style */
.pctl-whatsapp {
  background: #25D366 !important;
  color: white !important;
  border-color: #25D366 !important;
}

.pctl-whatsapp:hover {
  background: #128C7E !important;
  border-color: #128C7E !important;
}