/* 
 * Direct Messaging System - Styles
 * File: assets/css/messaging.css
 * Matches CharlestonHacks cyan/tech theme
 */

/* ===== MESSAGES TAB LAYOUT ===== */
.messages-container {
  display: grid;
  grid-template-columns: 350px 1fr;
  gap: 1rem;
  height: calc(100vh - 200px);
  max-height: 800px;
  padding: 1rem;
}

/* ===== CONVERSATIONS SIDEBAR ===== */
.conversations-sidebar {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  border: 1px solid rgba(0, 224, 255, 0.3);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.conversations-header {
  padding: 1.5rem;
  border-bottom: 1px solid rgba(0, 224, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.conversations-header h3 {
  color: #00e0ff;
  margin: 0;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.unread-badge {
  background: #f00;
  color: #fff;
  padding: 0.25rem 0.5rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: bold;
  min-width: 20px;
  text-align: center;
}

.new-message-btn {
  background: #00e0ff;
  border: none;
  color: #000;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.new-message-btn:hover {
  background: #00b8cc;
  transform: translateY(-2px);
}

.conversations-list {
  flex: 1;
  overflow-y: auto;
  padding: 0.5rem;
}

.conversations-list::-webkit-scrollbar {
  width: 6px;
}

.conversations-list::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.2);
}

.conversations-list::-webkit-scrollbar-thumb {
  background: rgba(0, 224, 255, 0.3);
  border-radius: 3px;
}

/* ===== CONVERSATION ITEM ===== */
.conversation-item {
  padding: 1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 1px solid transparent;
  margin-bottom: 0.5rem;
  position: relative;
}

.conversation-item:hover {
  background: rgba(0, 224, 255, 0.05);
  border-color: rgba(0, 224, 255, 0.3);
}

.conversation-item.active {
  background: rgba(0, 224, 255, 0.1);
  border-color: #00e0ff;
}

.conversation-item.unread {
  background: rgba(0, 224, 255, 0.05);
  border-left: 3px solid #00e0ff;
}

.conversation-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.conversation-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00e0ff, #0096aa);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  font-weight: bold;
  font-size: 1rem;
  position: relative;
}

.online-indicator {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 12px;
  height: 12px;
  background: #0f0;
  border: 2px solid #1a1a2e;
  border-radius: 50%;
}

.conversation-info {
  flex: 1;
  min-width: 0;
}

.conversation-name {
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.conversation-time {
  font-size: 0.75rem;
  color: #888;
}

.conversation-preview {
  color: #aaa;
  font-size: 0.85rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.conversation-item.unread .conversation-preview {
  color: #fff;
  font-weight: 600;
}

/* ===== CHAT PANEL ===== */
.chat-panel {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  border: 1px solid rgba(0, 224, 255, 0.3);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chat-header {
  padding: 1.5rem;
  border-bottom: 1px solid rgba(0, 224, 255, 0.2);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.chat-header-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00e0ff, #0096aa);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  font-weight: bold;
  font-size: 1.25rem;
}

.chat-header-info {
  flex: 1;
}

.chat-header-name {
  color: #fff;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.chat-header-status {
  color: #888;
  font-size: 0.85rem;
}

.chat-header-status.online {
  color: #0f0;
}

.chat-context {
  background: rgba(0, 224, 255, 0.1);
  border: 1px solid rgba(0, 224, 255, 0.3);
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  font-size: 0.85rem;
  color: #00e0ff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ===== MESSAGES AREA ===== */
.messages-area {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.messages-area::-webkit-scrollbar {
  width: 8px;
}

.messages-area::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.2);
}

.messages-area::-webkit-scrollbar-thumb {
  background: rgba(0, 224, 255, 0.3);
  border-radius: 4px;
}

/* ===== MESSAGE BUBBLE ===== */
.message {
  display: flex;
  gap: 0.75rem;
  animation: fadeInMessage 0.3s ease;
}

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

.message.sent {
  flex-direction: row-reverse;
}

.message-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00e0ff, #0096aa);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  font-weight: bold;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.message.sent .message-avatar {
  background: linear-gradient(135deg, #555, #777);
}

.message-content {
  max-width: 70%;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.message-bubble {
  background: rgba(0, 224, 255, 0.1);
  border: 1px solid rgba(0, 224, 255, 0.3);
  border-radius: 12px;
  padding: 0.75rem 1rem;
  color: #fff;
  line-height: 1.5;
  word-wrap: break-word;
}

.message.sent .message-bubble {
  background: rgba(0, 224, 255, 0.2);
  border-color: #00e0ff;
}

.message-timestamp {
  font-size: 0.75rem;
  color: #888;
  padding: 0 0.5rem;
}

.message.sent .message-timestamp {
  text-align: right;
}

/* ===== MESSAGE INPUT ===== */
.message-input-container {
  padding: 1.5rem;
  border-top: 1px solid rgba(0, 224, 255, 0.2);
  display: flex;
  gap: 1rem;
  align-items: flex-end;
}

.message-input-wrapper {
  flex: 1;
  position: relative;
}

.message-input {
  width: 100%;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(0, 224, 255, 0.3);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: #fff;
  font-size: 0.95rem;
  font-family: inherit;
  resize: vertical;
  min-height: 44px;
  max-height: 120px;
  transition: all 0.3s ease;
}

.message-input:focus {
  outline: none;
  border-color: #00e0ff;
  box-shadow: 0 0 0 2px rgba(0, 224, 255, 0.1);
}

.message-input::placeholder {
  color: #666;
}

.send-button {
  background: #00e0ff;
  border: none;
  color: #000;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  min-height: 44px;
}

.send-button:hover:not(:disabled) {
  background: #00b8cc;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 224, 255, 0.3);
}

.send-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ===== EMPTY STATES ===== */
.empty-conversations {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1rem;
  color: #888;
  text-align: center;
}

.empty-conversations-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
  opacity: 0.3;
}

.empty-chat {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: #888;
  text-align: center;
  padding: 2rem;
}

.empty-chat-icon {
  font-size: 5rem;
  margin-bottom: 1.5rem;
  opacity: 0.3;
}

/* ===== NEW MESSAGE MODAL ===== */
.new-message-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 15000;
  padding: 1rem;
}

.new-message-modal.active {
  display: flex;
}

.new-message-modal-content {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  border: 1px solid rgba(0, 224, 255, 0.3);
  border-radius: 12px;
  padding: 2rem;
  max-width: 600px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.modal-header h3 {
  color: #fff;
  margin: 0;
  font-size: 1.5rem;
}

.modal-close {
  background: none;
  border: none;
  color: #888;
  font-size: 1.5rem;
  cursor: pointer;
  transition: color 0.3s ease;
  line-height: 1;
}

.modal-close:hover {
  color: #fff;
}

.search-users {
  margin-bottom: 1.5rem;
}

.search-input {
  width: 100%;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(0, 224, 255, 0.3);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: #fff;
  font-size: 0.95rem;
  font-family: inherit;
}

.search-input:focus {
  outline: none;
  border-color: #00e0ff;
}

.users-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: 400px;
  overflow-y: auto;
}

.user-item {
  padding: 1rem;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(0, 224, 255, 0.2);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-item:hover {
  background: rgba(0, 224, 255, 0.05);
  border-color: #00e0ff;
}

.user-item-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00e0ff, #0096aa);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  font-weight: bold;
}

.user-item-info {
  flex: 1;
}

.user-item-name {
  color: #fff;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.user-item-details {
  color: #888;
  font-size: 0.85rem;
}

/* ===== LOADING STATE ===== */
.loading-messages {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  color: #888;
}

.loading-spinner {
  width: 24px;
  height: 24px;
  border: 3px solid rgba(0, 224, 255, 0.2);
  border-top-color: #00e0ff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 968px) {
  .messages-container {
    grid-template-columns: 1fr;
  }
  
  .conversations-sidebar {
    display: none;
  }
  
  .conversations-sidebar.mobile-show {
    display: flex;
  }
  
  .chat-panel.mobile-hide {
    display: none;
  }
  
  .message-content {
    max-width: 85%;
  }
}

@media (max-width: 640px) {
  .messages-container {
    padding: 0.5rem;
    height: calc(100vh - 150px);
  }
  
  .chat-header {
    padding: 1rem;
  }
  
  .messages-area {
    padding: 1rem;
  }
  
  .message-input-container {
    padding: 1rem;
  }
}
//* =========================================================
   WhatsApp / iMessage Mobile Mode (targets your messaging.js DOM)
   DOM (from messaging.js):
   .messages-container
     .conversations-sidebar
     .chat-panel
       .chat-header
       .messages-area
       .message-input-container
   ========================================================= */

:root {
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-top: env(safe-area-inset-top, 0px);
}

@media (max-width: 768px) {
  /* Full-screen modal behavior (your modal container is outside messaging.js) */
  #messages-modal {
    position: fixed !important;
    inset: 0 !important;
    z-index: 10050 !important;
  }

  #messages-modal .modal-content {
    width: 100vw !important;
    height: 100dvh !important;
    max-width: none !important;
    max-height: none !important;
    margin: 0 !important;
    border-radius: 0 !important;
    padding: 0 !important;
    overflow: hidden !important;
    display: flex !important;
    flex-direction: column !important;
  }

  #messages-container {
    flex: 1 1 auto !important;
    min-height: 0 !important;
    overflow: hidden !important;
    padding-bottom: var(--safe-bottom) !important;
  }

  /* Kill desktop height math inside full-screen */
  #messages-container .messages-container {
    height: 100% !important;
    max-height: none !important;
    padding: 0 !important;
    gap: 0 !important;
    grid-template-columns: 1fr !important;
  }

  /* Default mobile state = show conversations list, hide chat (like WhatsApp) */
  #messages-container .conversations-sidebar {
    display: flex !important;
    border-radius: 0 !important;
    height: 100% !important;
  }

  #messages-container .chat-panel {
    display: none !important;
    border-radius: 0 !important;
    height: 100% !important;
    min-height: 0 !important;
  }

  /* When user selects a conversation, we toggle these classes via JS */
  #messages-container .conversations-sidebar.mobile-hide {
    display: none !important;
  }
  #messages-container .chat-panel.mobile-show {
    display: flex !important;
    flex-direction: column !important;
  }

  /* Header becomes sticky like an app nav bar */
  #messages-container .chat-header {
    position: sticky !important;
    top: 0 !important;
    z-index: 5 !important;
    padding-top: calc(0.75rem + var(--safe-top)) !important;
    padding-bottom: 0.75rem !important;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%) !important;
  }

  /* Message list = only scroll region */
  #messages-container .messages-area {
    flex: 1 1 auto !important;
    min-height: 0 !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    overscroll-behavior: contain !important;
    padding: 1rem !important;
  }

  /* Composer pinned to bottom */
  #messages-container .message-input-container {
    position: sticky !important;
    bottom: 0 !important;
    z-index: 6 !important;
    padding: 0.75rem 0.75rem calc(0.75rem + var(--safe-bottom)) !important;
    background: rgba(10,14,39,0.95) !important;
    backdrop-filter: blur(10px) !important;
  }

  /* Prevent iOS zoom */
  #messages-container .message-input {
    font-size: 16px !important;
  }

  /* Make send button thumb-friendly */
  #messages-container .send-button {
    min-height: 44px !important;
  }
}