.chat-container {
  margin-top: 60px; /* Account for navbar height */
  height: calc(100vh - 60px);
  display: flex;
  flex-direction: column;
}

#messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px 20px 140px;
  max-width: 680px;
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 1;
}

.chat-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 12px;
  z-index: 100;
  transition: all 0.3s;
  backdrop-filter: blur(20px);
}

/* Message styles */
.message-container {
  margin-bottom: 24px;
  opacity: 0;
  transform: translateY(10px);
}

.user-message {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 8px;
}

.user-message-content {
  background: var(--fg);
  color: var(--bg);
  border-radius: 18px;
  padding: 12px 18px;
  max-width: 80%;
  font-size: 14px;
  line-height: 1.5;
  box-shadow: 0 2px 8px var(--shadow);
  position: relative;
  overflow: hidden;
}

.user-message-content::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-2);
  opacity: 0.3;
  pointer-events: none;
}

.assistant-message {
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.assistant-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--logo-url) center/contain no-repeat;
  flex-shrink: 0;
  margin-top: 2px;
  filter: var(--logo-filter, none);
}

.assistant-message-content {
  flex: 1;
  font-size: 14px;
  line-height: 1.7;
  background: var(--glass);
  border-radius: 18px;
  padding: 12px 18px;
  border: 1px solid var(--border);
  box-shadow: 0 2px 8px var(--shadow);
  position: relative;
  overflow: hidden;
}

.assistant-message-content::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-1);
  opacity: 0.5;
  pointer-events: none;
}

/* Input and suggestions */
.suggestions-container {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 8px;
  justify-content: center;
  max-width: 680px;
  margin: 0 auto 8px;
}

.suggestion-button {
  padding: 6px 12px;
  border-radius: 12px;
  cursor: pointer;
  font-size: 11px;
  font-weight: 400;
  transition: all 0.2s;
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--fg);
}

.suggestion-button:hover {
  background: var(--fg);
  color: var(--bg);
  transform: scale(1.05);
}

.input-container {
  display: flex;
  gap: 6px;
  max-width: 680px;
  margin: 0 auto;
  align-items: center;
}

#messageInput {
  flex: 1;
  border-radius: 20px;
  padding: 10px 16px;
  font-size: 14px;
  font-family: "Inter", sans-serif;
  outline: none;
  transition: all 0.3s;
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--fg);
  backdrop-filter: blur(10px);
}

#messageInput:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,102,255,0.1);
}

#messageInput::placeholder {
  opacity: 0.3;
}

#sendBtn, #voiceBtn {
  width: 36px;
  height: 36px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  background: var(--fg);
  color: var(--bg);
  font-size: 16px;
  flex-shrink: 0;
}

#voiceBtn.recording {
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1) }
  50% { opacity: 0.6; transform: scale(1.1) }
}

/* Responsive adjustments */
@media (max-width: 768px) {
  #messages {
    padding: 20px 16px 140px;
  }
}