frontend/src/App.css

/* Reset et base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  background: linear-gradient(135deg, #1e40af 0%, #0f766e 100%);
  min-height: 100vh;
  overflow-x: hidden;
  overflow-y: auto;
  margin: 0;
  padding: 0;
}

.App {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.app-header {
  background: linear-gradient(90deg, #1e40af 0%, #0369a1 50%, #f59e0b 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  padding: 1rem 2rem;
  position: relative;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.app-header h1 {
  color: white;
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.app-header p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1rem;
}

/* Layout principal en 3 colonnes */
.app-grid {
  display: flex;
  min-height: calc(100vh - 120px);
  gap: 1rem;
  padding: 1rem;
  flex: 1;
  max-width: 100vw;
  overflow-x: hidden;
}

/* Colonne gauche - Documents (étroite) */
.left-column {
  width: 260px;
  min-width: 240px;
  max-width: 300px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex-shrink: 1;
}

/* Colonne centre - Chat (large) */
.center-column {
  flex: 1;
  min-width: 300px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Colonne droite - Console (fixe) */
.right-column {
  width: 320px;
  min-width: 280px;
  max-width: 350px;
  display: flex;
  flex-direction: column;
  flex-shrink: 1;
}

/* Cards communes */
.card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(15px);
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
  color: white;
}

.card h2 {
  margin-bottom: 1rem;
  font-size: 1.2rem;
  color: white;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Upload zone (compacte) */
.upload-zone {
  border: 2px dashed rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  padding: 1rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  min-height: 100px;
}

.upload-zone:hover,
.upload-zone.drag-active {
  border-color: rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.05);
}

.upload-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.7);
}

.upload-text {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0.5rem;
}

.upload-hint {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.6);
}

/* Liste documents (compacte) */
.documents-list {
  max-height: 300px;
  overflow-y: auto;
  overflow-x: hidden;
}

.document-item {
  padding: 0.75rem;
  margin-bottom: 0.5rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.document-item:hover {
  background: rgba(255, 255, 255, 0.15);
}

.document-item.selected {
  border-color: #f59e0b;
  background: rgba(245, 158, 11, 0.2);
}

.document-content {
  flex: 1;
  min-width: 0;
}

.document-name {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.document-status {
  font-size: 0.7rem;
  opacity: 0.8;
}

.delete-btn {
  background: rgba(239, 68, 68, 0.2);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #ef4444;
  border-radius: 6px;
  padding: 0.3rem 0.5rem;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.delete-btn:hover {
  background: rgba(239, 68, 68, 0.4);
  border-color: rgba(239, 68, 68, 0.6);
  transform: scale(1.05);
}

.delete-btn:active {
  transform: scale(0.95);
}

/* Interface Chat (centre) */
.chat-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-height: calc(100vh - 300px);
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.message {
  display: flex;
  flex-direction: column;
  max-width: 80%;
}

.message.message-user {
  align-self: flex-end;
}

.message.message-assistant {
  align-self: flex-start;
}

.message-content {
  padding: 1rem 1.5rem;
  border-radius: 18px;
  line-height: 1.5;
  word-wrap: break-word;
  overflow-wrap: break-word;
  max-width: 100%;
}

.message-user .message-content {
  background: linear-gradient(135deg, #0369a1, #0f766e);
  color: white;
}

.message-assistant .message-content {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
}

.chat-input-container {
  padding: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  gap: 1rem;
  align-items: flex-end;
}

.chat-input {
  flex: 1;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  padding: 0.75rem 1rem;
  color: white;
  resize: none;
  min-height: 44px;
  max-height: 120px;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.chat-input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.chat-input:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.5);
}

/* Console de Debug (droite) */
.debug-console {
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.debug-console-header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
}

.debug-console-header h3 {
  color: #f59e0b;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.debug-console-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 1rem;
  font-family: 'Monaco', 'Menlo', monospace;
  font-size: 0.8rem;
  line-height: 1.4;
  max-height: calc(100vh - 200px);
}

.debug-log {
  margin-bottom: 0.5rem;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  border-left: 3px solid;
  background: rgba(255, 255, 255, 0.05);
}

.debug-log.info {
  border-left-color: #3b82f6;
  color: #93c5fd;
}

.debug-log.success {
  border-left-color: #0f766e;
  color: #5eead4;
}

.debug-log.warning {
  border-left-color: #d97706;
  color: #fbbf24;
}

.debug-log.error {
  border-left-color: #ef4444;
  color: #fca5a5;
}

.debug-log.vision {
  border-left-color: #0369a1;
  color: #7dd3fc;
}

.debug-log.chunking {
  border-left-color: #0891b2;
  color: #67e8f9;
}

.debug-log.rag {
  border-left-color: #0f766e;
  color: #5eead4;
}

.debug-timestamp {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.7rem;
  margin-right: 0.5rem;
}

.debug-message {
  word-wrap: break-word;
}

/* Boutons */
.btn {
  background: linear-gradient(135deg, #0369a1, #0f766e);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.2s ease;
  font-size: 0.9rem;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-small {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
}

/* Alerts */
.alert {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.alert-error {
  background: rgba(239, 68, 68, 0.2);
  border: 1px solid #ef4444;
  color: #fca5a5;
}

.alert-success {
  background: rgba(15, 118, 110, 0.2);
  border: 1px solid #0f766e;
  color: #5eead4;
}

/* Loading */
.loading {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 3rem 2rem;
  color: rgba(255, 255, 255, 0.7);
}

.empty-state h3 {
  margin-bottom: 1rem;
  color: white;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.3);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.5);
}

/* Responsive */
@media (max-width: 1400px) {
  .app-grid {
    gap: 0.75rem;
    padding: 0.75rem;
  }
  
  .left-column {
    width: 220px;
    min-width: 200px;
  }
  
  .right-column {
    width: 280px;
    min-width: 260px;
  }
}

@media (max-width: 1200px) {
  .app-grid {
    gap: 0.5rem;
    padding: 0.5rem;
  }
  
  .left-column {
    width: 200px;
    min-width: 180px;
  }
  
  .right-column {
    width: 250px;
    min-width: 220px;
  }
  
  .center-column {
    min-width: 250px;
  }
}

@media (max-width: 1024px) {
  .app-grid {
    flex-direction: column;
    min-height: auto;
    gap: 0.75rem;
  }
  
  .left-column,
  .right-column {
    width: 100%;
    min-width: auto;
    max-width: none;
    max-height: 300px;
    min-height: 200px;
  }
  
  .center-column {
    min-height: 400px;
    min-width: auto;
    flex: 1;
  }
}

@media (max-width: 768px) {
  .app-grid {
    padding: 0.5rem;
    gap: 0.5rem;
  }
  
  .app-header {
    padding: 0.5rem 1rem;
  }
  
  .app-header h1 {
    font-size: 1.4rem;
  }
  
  .app-header p {
    font-size: 0.9rem;
  }
  
  .card {
    padding: 1rem;
  }
  
  .left-column,
  .right-column {
    max-height: 250px;
  }
}

@media (max-width: 480px) {
  .app-grid {
    padding: 0.25rem;
  }
  
  .app-header {
    padding: 0.5rem;
  }
  
  .app-header h1 {
    font-size: 1.2rem;
  }
  
  .card {
    padding: 0.75rem;
  }
  
  .card h2 {
    font-size: 1rem;
  }
}

/* Animation pour le curseur de streaming */
.streaming-cursor {
  color: #10b981;
  font-weight: bold;
  animation: blink 1s infinite;
  margin-left: 2px;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* Spinner médical élégant */
.medical-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-left: 2px solid #10b981;
  border-radius: 50%;
  animation: medical-spin 1s linear infinite;
  flex-shrink: 0;
}

@keyframes medical-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}