/* Chat Specific Styles */
.chat-container {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 180px);
  max-width: 900px;
  margin: 0 auto;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
  overflow: hidden;
}

.chat-header {
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chat-header h1 {
  font-size: 1.5rem;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.chat-messages {
  flex-grow: 1;
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 15px;
  scroll-behavior: smooth;
}

/* Scrollbar for chat messages */
.chat-messages::-webkit-scrollbar {
  width: 6px;
}
.chat-messages::-webkit-scrollbar-track {
  background: transparent;
}
.chat-messages::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 10px;
}

.message-wrapper {
  display: flex;
  flex-direction: column;
  max-width: 75%;
}

.message-wrapper.sent {
  align-self: flex-end;
  align-items: flex-end;
}

.message-wrapper.received {
  align-self: flex-start;
  align-items: flex-start;
}

.message-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.message-meta .sender-name {
  font-weight: 600;
  color: var(--text-color);
}

.message-bubble {
  padding: 12px 16px;
  border-radius: 18px;
  font-size: 0.95rem;
  line-height: 1.5;
  position: relative;
  word-wrap: break-word;
}

.message-wrapper.sent .message-bubble {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  border-bottom-right-radius: 4px;
}

.message-wrapper.received .message-bubble {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  border-bottom-left-radius: 4px;
}

.message-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--primary-color);
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
}

.chat-input-area {
  padding: 20px;
  background: var(--bg-color);
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: 10px;
  align-items: center;
}

.chat-input {
  flex-grow: 1;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 14px 20px;
  border-radius: 24px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.chat-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.chat-send-btn {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  flex-shrink: 0;
}

.chat-send-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 5px 15px rgba(99, 102, 241, 0.3);
}

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

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

/* Empty State / Loading */
.chat-notice {
  text-align: center;
  color: var(--text-muted);
  padding: 20px;
  font-size: 0.9rem;
  background: var(--bg-color);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  margin-top: 20px;
}

@media (max-width: 768px) {
  .chat-container {
    height: calc(100vh - 120px);
    border-radius: 16px;
  }
  .message-wrapper {
    max-width: 85%;
  }
}