/* =========================================
   CHAT GROUPS & IMAGE MESSAGES - Quest4You
   Estilos para grupos de chat e envio de imagens
   ========================================= */

/* ================================
   GROUP ITEMS IN SIDEBAR
   ================================ */
.group-item {
  position: relative;
}

.group-avatar {
  background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
  position: relative;
}

.group-icon {
  font-size: 1.2rem;
}

.group-icon-large {
  font-size: 1.5rem;
}

.group-count {
  position: absolute;
  bottom: -2px;
  right: -2px;
  background: var(--accent-gradient, linear-gradient(135deg, #6a11cb 0%, #2575fc 100%));
  color: white;
  font-size: 0.65rem;
  padding: 1px 4px;
  border-radius: 8px;
  font-weight: 600;
  border: 2px solid var(--bg-secondary, #fff);
}

.empty-groups {
  text-align: center;
  padding: 20px;
  color: var(--text-muted, #6c757d);
}

.empty-groups p {
  margin-bottom: 15px;
}

/* ================================
   GROUP HEADER
   ================================ */
.chat-header .group-avatar {
  width: 45px;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

/* ================================
   GROUP MESSAGES
   ================================ */
.message-sender {
  font-size: 0.75rem;
  font-weight: 600;
  color: #6a11cb;
  margin-bottom: 4px;
  padding-left: 2px;
}

.message.received .message-sender {
  display: block;
}

.message.sent .message-sender {
  display: none;
}

/* System messages in groups */
.message.system-message {
  justify-content: center;
  margin: 15px 0;
}

.system-bubble {
  background: var(--bg-tertiary, #f1f3f5) !important;
  color: var(--text-muted, #6c757d) !important;
  font-size: 0.85rem;
  padding: 8px 16px !important;
  border-radius: 20px !important;
  text-align: center;
}

/* ================================
   IMAGE MESSAGES
   ================================ */
.message-image {
  position: relative;
  max-width: 250px;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  margin-bottom: 5px;
}

.message-image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  transition: transform 0.3s ease;
}

.message-image:hover img {
  transform: scale(1.02);
}

.image-zoom-icon {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.message-image:hover .image-zoom-icon {
  opacity: 1;
}

/* ================================
   IMAGE VIEWER OVERLAY
   ================================ */
.image-viewer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  cursor: zoom-out;
}

.image-viewer-overlay.active {
  opacity: 1;
}

.image-viewer-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
}

.image-viewer-content .full-image {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
}

.image-viewer-close {
  position: absolute;
  top: -40px;
  right: 0;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  transition: background 0.2s ease;
}

.image-viewer-close:hover {
  background: rgba(255, 255, 255, 0.3);
}

.image-viewer-download {
  position: absolute;
  bottom: -45px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
  color: white;
  padding: 8px 20px;
  border-radius: 20px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: transform 0.2s ease;
}

.image-viewer-download:hover {
  transform: translateX(-50%) scale(1.05);
}

/* ================================
   IMAGE PREVIEW MODAL
   ================================ */
.image-preview-content {
  max-width: 500px;
}

.image-preview-container {
  max-height: 400px;
  overflow: hidden;
  border-radius: 12px;
  margin-bottom: 15px;
  background: var(--bg-tertiary, #f1f3f5);
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-preview-container img {
  max-width: 100%;
  max-height: 400px;
  object-fit: contain;
}

#imageCaption {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--border-color, #e9ecef);
  border-radius: 10px;
  font-size: 0.95rem;
  background: var(--input-bg, #fff);
  color: var(--text-primary, #1a1a2e);
}

/* ================================
   CREATE GROUP MODAL
   ================================ */
#createGroupModal .modal-content {
  max-width: 450px;
}

.friends-selector {
  max-height: 250px;
  overflow-y: auto;
  border: 1px solid var(--border-color, #e9ecef);
  border-radius: 10px;
  padding: 10px;
  background: var(--bg-secondary, #f8f9fa);
}

.friend-checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s ease;
  margin-bottom: 5px;
}

.friend-checkbox:hover {
  background: var(--hover-bg, rgba(106, 17, 203, 0.08));
}

.friend-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: #6a11cb;
}

.friend-checkbox-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 0.9rem;
  overflow: hidden;
}

.friend-checkbox-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.friend-checkbox-name {
  flex: 1;
  font-weight: 500;
  color: var(--text-primary, #1a1a2e);
}

.selected-members {
  margin-top: 10px;
  padding: 10px;
  background: rgba(106, 17, 203, 0.1);
  border-radius: 8px;
  text-align: center;
}

.selected-count {
  color: #6a11cb;
  font-weight: 600;
  font-size: 0.9rem;
}

.loading-text,
.empty-text,
.error-text {
  text-align: center;
  padding: 20px;
  color: var(--text-muted, #6c757d);
}

.error-text {
  color: #dc3545;
}

/* ================================
   GROUP INFO MODAL
   ================================ */
#groupInfoModal .modal-content {
  max-width: 400px;
}

.group-description {
  color: var(--text-secondary, #4a4a5a);
  font-size: 0.95rem;
  margin-bottom: 20px;
  padding: 15px;
  background: var(--bg-secondary, #f8f9fa);
  border-radius: 10px;
}

.group-info-section {
  margin-bottom: 20px;
}

.group-info-section h4 {
  margin-bottom: 15px;
  color: var(--text-primary, #1a1a2e);
  font-size: 1rem;
}

.group-members-list {
  max-height: 200px;
  overflow-y: auto;
}

.group-member-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  border-radius: 8px;
  background: var(--bg-secondary, #f8f9fa);
  margin-bottom: 8px;
}

.member-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  overflow: hidden;
}

.member-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.member-name {
  flex: 1;
  font-weight: 500;
  color: var(--text-primary, #1a1a2e);
}

.admin-badge {
  background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
  color: white;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 0.7rem;
  font-weight: 600;
}

.you-badge {
  background: var(--bg-tertiary, #f1f3f5);
  color: var(--text-muted, #6c757d);
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 0.7rem;
}

.group-admin-actions,
.group-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid var(--border-color, #e9ecef);
}

/* ================================
   CHAT INPUT - IMAGE BUTTON
   ================================ */
.chat-input-area {
  position: relative;
}

.btn-image {
  background: none;
  border: none;
  font-size: 1.3rem;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: background 0.2s ease;
  margin-right: 5px;
}

.btn-image:hover {
  background: var(--hover-bg, rgba(106, 17, 203, 0.1));
}

/* ================================
   SIDEBAR TABS (Conversations / Groups)
   ================================ */
.sidebar-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color, #e9ecef);
}

.sidebar-tab {
  flex: 1;
  padding: 12px;
  background: none;
  border: none;
  cursor: pointer;
  font-weight: 500;
  color: var(--text-muted, #6c757d);
  transition: all 0.2s ease;
  position: relative;
}

.sidebar-tab.active {
  color: #6a11cb;
}

.sidebar-tab.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 20%;
  width: 60%;
  height: 3px;
  background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
  border-radius: 3px 3px 0 0;
}

.sidebar-tab:hover:not(.active) {
  background: var(--hover-bg, rgba(106, 17, 203, 0.05));
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* ================================
   CREATE GROUP BUTTON
   ================================ */
.create-group-btn {
  position: absolute;
  bottom: 20px;
  right: 20px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
  color: white;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(106, 17, 203, 0.4);
  transition: all 0.3s ease;
  z-index: 100;
}

.create-group-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(106, 17, 203, 0.5);
}

/* ================================
   RESPONSIVE
   ================================ */
@media (max-width: 768px) {
  .image-preview-container {
    max-height: 300px;
  }
  
  .image-viewer-content .full-image {
    max-width: 95vw;
    max-height: 80vh;
  }
  
  .friends-selector {
    max-height: 200px;
  }
  
  .group-members-list {
    max-height: 150px;
  }
  
  .group-admin-actions,
  .group-actions {
    flex-direction: column;
  }
  
  .group-admin-actions .btn,
  .group-actions .btn {
    width: 100%;
  }
}