/* Chats page - Two column layout: chat list + active chat window */

/* Full width layout */
.layout > div[style*="flex:1"] {
  margin: 0 !important;
  max-width: 100% !important;
  padding: 0 !important;
  width: 100% !important;
}

.chats-main {
  flex: 1;
  padding: 20px 32px;
  background: transparent;
}

/* Chat container (flex, two columns) */
.chat-container {
  display: flex;
  gap: 24px;
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 2px 8px rgba(59,130,246,0.06);
  overflow: hidden;
  height: calc(100vh - 120px); /* Adjust based on topbar height */
  min-height: 500px;
}

/* LEFT COLUMN: Chat list */
.chat-list {
  width: 320px;
  border-right: 1px solid #eef2f7;
  display: flex;
  flex-direction: column;
  background: #fff;
}

.chat-list-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid #eef2f7;
}
.chat-list-header h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0;
}
.new-chat-btn {
  background: none;
  border: none;
  font-size: 1.2rem;
  color: #3b82f6;
  cursor: pointer;
}

.chat-list-items {
  flex: 1;
  overflow-y: auto;
}

.chat-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  cursor: pointer;
  transition: background 0.2s;
  border-bottom: 1px solid #f0f2f5;
}
.chat-item:hover {
  background: #f8fafc;
}
.chat-item.active {
  background: #eef2ff;
  border-left: 3px solid #3b82f6;
}

.chat-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

.chat-item-info {
  flex: 1;
  min-width: 0;
}
.chat-name {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 4px;
}
.chat-last-msg {
  font-size: 0.8rem;
  color: #64748b;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.chat-time {
  font-size: 0.7rem;
  color: #94a3b8;
}

/* RIGHT COLUMN: Active chat */
.chat-active {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: #fff;
}

.chat-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 24px;
  border-bottom: 1px solid #eef2f7;
}
.chat-avatar-large {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}
.chat-header-info {
  flex: 1;
}
.chat-header-name {
  font-weight: 700;
  font-size: 1rem;
}
.chat-header-status {
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  gap: 6px;
}
.online-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: #10b981;
  border-radius: 50%;
}

/* Chat messages area */
.chat-messages {
  flex: 1;
  padding: 20px 24px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: #fafcff;
}

.message {
  display: flex;
  flex-direction: column;
  max-width: 70%;
}
.message.received {
  align-items: flex-start;
}
.message.sent {
  align-items: flex-end;
  margin-left: auto;
}
.message-bubble {
  padding: 10px 14px;
  border-radius: 18px;
  font-size: 0.9rem;
  line-height: 1.4;
  background: #f1f5f9;
  color: #1e293b;
}
.message.sent .message-bubble {
  background: var(--gradient);
  color: white;
}
.message-time {
  font-size: 0.7rem;
  color: #94a3b8;
  margin-top: 4px;
  padding: 0 8px;
}

/* Input area */
.chat-input-area {
  display: flex;
  gap: 12px;
  padding: 16px 24px;
  border-top: 1px solid #eef2f7;
  background: #fff;
}
.chat-input-area input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid #e2e8f0;
  border-radius: 30px;
  font-size: 0.9rem;
  outline: none;
}
.chat-input-area input:focus {
  border-color: #3b82f6;
}
.send-btn {
  background: var(--gradient);
  border: none;
  padding: 0 24px;
  border-radius: 30px;
  color: white;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}
.send-btn:hover {
  opacity: 0.85;
}

/* Responsive */
@media (max-width: 768px) {
  .chats-main {
    padding: 16px;
  }
  .chat-list {
    width: 280px;
  }
}
@media (max-width: 640px) {
  .chat-container {
    flex-direction: column;
    height: auto;
  }
  .chat-list {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid #eef2f7;
  }
  .chat-active {
    height: 500px;
  }
}