/* ============================================
   Chat Area
   ============================================ */

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100vh;
  min-width: 0;
  position: relative;
}

/* --- Mobile Header --- */
.mobile-header {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border-light);
}

.mobile-menu-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.mobile-menu-btn:hover {
  background: var(--glass-bg);
  color: var(--color-text);
}

.mobile-header-title {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-lg);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Chat Messages Area --- */
.chat-area {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4) var(--space-8);
  display: flex;
  flex-direction: column;
  scroll-behavior: smooth;
}

/* --- Welcome / Empty State --- */
.welcome-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-8);
  animation: fadeIn 0.8s ease;
}

.welcome-state.hidden {
  display: none;
}

.welcome-title {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 700;
  margin-top: var(--space-6);
  margin-bottom: var(--space-2);
}

.welcome-title-gradient {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary), var(--color-accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% auto;
  animation: gradientBorder 4s ease infinite;
}

.welcome-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
  max-width: 500px;
  line-height: 1.7;
}

.welcome-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  max-width: 700px;
}

/* --- Suggestion Chips --- */
.suggestion-chip {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: var(--glass-bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-normal);
  white-space: nowrap;
}

.suggestion-chip:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), var(--shadow-glow-primary);
}

.suggestion-chip i {
  width: 16px;
  height: 16px;
  opacity: 0.7;
}

.suggestion-chip:hover i {
  opacity: 1;
}

/* --- Messages Container --- */
.messages-container {
  display: none;
  flex-direction: column;
  gap: var(--space-6);
  padding-bottom: var(--space-4);
  max-width: 800px;
  width: 100%;
  margin: 0 auto;
}

.messages-container.active {
  display: flex;
}

/* --- Message Bubble --- */
.message {
  display: flex;
  gap: var(--space-3);
  animation: slideUp 0.3s ease;
  max-width: 100%;
}

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

.message-user .message-content {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.message-user .message-bubble {
  display: inline-block;
  width: auto;
  max-width: 80%;
}

.message-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background: var(--glass-bg-strong);
}

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

.message-bot .message-avatar {
  border: 1px solid rgba(108, 99, 255, 0.3);
}

.message-user .message-avatar {
  border: 1px solid var(--glass-border);
}

.message-content {
  flex: 1;
  min-width: 0;
}

.message-sender {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-light);
  margin-bottom: var(--space-1);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.message-bubble {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  line-height: 1.7;
  word-wrap: break-word;
}

.message-bot .message-bubble {
  background: var(--glass-bg-card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  color: var(--color-text);
}

.message-user .message-bubble {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  border: none;
  box-shadow: var(--shadow-md), 0 4px 12px rgba(108, 99, 255, 0.25);
}

/* --- Typing Cursor --- */
.typing-cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--color-primary);
  margin-left: 2px;
  animation: blink 0.7s infinite;
  vertical-align: text-bottom;
}

/* --- Typing Indicator (Rashed is thinking...) --- */
.typing-indicator {
  display: none;
  align-items: center;
  gap: var(--space-3);
  animation: fadeIn 0.3s ease;
}

.typing-indicator.active {
  display: flex;
}

.typing-indicator .message-bubble {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
}

.typing-dots {
  display: flex;
  gap: 4px;
}

.typing-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-primary);
  opacity: 0.4;
  animation: typingBounce 1.4s ease-in-out infinite;
}

.typing-dot:nth-child(2) {
  animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes typingBounce {
  0%, 80%, 100% {
    opacity: 0.4;
    transform: translateY(0);
  }
  40% {
    opacity: 1;
    transform: translateY(-6px);
  }
}

.typing-text {
  font-size: var(--text-xs);
  color: var(--color-text-light);
  font-style: italic;
}

/* --- Response Cards (Projects, Skills etc.) --- */
.response-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.response-card {
  padding: var(--space-4);
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  cursor: default;
}

.response-card:hover {
  background: var(--glass-bg-strong);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.response-card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
  background: linear-gradient(135deg, rgba(108, 99, 255, 0.15), rgba(255, 107, 157, 0.15));
  color: var(--color-primary);
}

.response-card-title {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-sm);
  margin-bottom: var(--space-1);
}

.response-card-desc {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.response-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: var(--space-3);
}

.response-card-tag {
  padding: 2px 8px;
  font-size: 0.65rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  background: rgba(108, 99, 255, 0.08);
  color: var(--color-primary);
}

.response-card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-3);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-primary);
  transition: gap var(--transition-fast);
}

.response-card-link:hover {
  gap: var(--space-2);
}

/* --- Skill Bars --- */
.skill-bar-container {
  margin-top: var(--space-3);
}

.skill-bar-item {
  margin-bottom: var(--space-3);
}

.skill-bar-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--space-1);
  font-size: var(--text-xs);
  font-weight: 500;
}

.skill-bar {
  height: 6px;
  border-radius: 3px;
  background: var(--glass-bg-strong);
  overflow: hidden;
}

.skill-bar-fill {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  width: 0%;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Contact Card --- */
.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.contact-item:hover {
  background: var(--glass-bg);
}

.contact-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg);
  color: var(--color-primary);
}

.contact-info {
  flex: 1;
}

.contact-label {
  font-size: var(--text-xs);
  color: var(--color-text-light);
}

.contact-value {
  font-size: var(--text-sm);
  font-weight: 500;
}

/* --- Download Button --- */
.download-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  font-size: var(--text-sm);
  font-weight: 500;
  margin-top: var(--space-4);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-md);
  cursor: pointer;
}

.download-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow-primary);
  color: white;
}

/* ============================================
   Input Area
   ============================================ */
.input-area {
  padding: var(--space-4) var(--space-8) var(--space-6);
  max-width: 800px;
  width: 100%;
  margin: 0 auto;
}

/* Command Suggestion Chips */
.command-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  justify-content: center;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.command-chips.visible {
  opacity: 1;
  max-height: 100px;
}

.command-chip {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  border-radius: var(--radius-full);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border-light);
  color: var(--color-text-light);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.command-chip:hover {
  background: var(--glass-bg-strong);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Input Container */
.input-container {
  display: flex;
  align-items: flex-end;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3) var(--space-3) var(--space-5);
  background: var(--glass-bg-card);
  backdrop-filter: blur(var(--glass-blur-strong));
  -webkit-backdrop-filter: blur(var(--glass-blur-strong));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.input-container:focus-within {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md), 0 0 0 3px rgba(108, 99, 255, 0.08);
}

.chat-input {
  flex: 1;
  border: none;
  background: none;
  outline: none;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  padding: var(--space-2) 0;
  resize: none;
  max-height: 120px;
  line-height: 1.5;
}

.chat-input::placeholder {
  color: var(--color-text-light);
}

.send-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(108, 99, 255, 0.3);
}

.send-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 16px rgba(108, 99, 255, 0.4);
}

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

.send-btn.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.send-btn i {
  width: 18px;
  height: 18px;
}

/* Input footer */
.input-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-light);
  gap: var(--space-2);
}

.input-footer i {
  width: 12px;
  height: 12px;
}

/* --- Achievement / Certificate Cards --- */
.achievement-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  margin-top: var(--space-3);
  transition: all var(--transition-normal);
}

.achievement-card:hover {
  background: var(--glass-bg-strong);
  transform: translateX(4px);
}

.achievement-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: linear-gradient(135deg, rgba(255, 159, 67, 0.15), rgba(255, 107, 157, 0.15));
  flex-shrink: 0;
}

.achievement-info {
  flex: 1;
}

.achievement-title {
  font-weight: 600;
  font-size: var(--text-sm);
}

.achievement-desc {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  margin-top: 2px;
}