/* The AI Biographer - Main Application Styles */
@import url('./styles/theme.css');
@import url('./styles/micro-interactions.css');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* Reset and Base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text);
  background-color: var(--background);
  min-height: 100vh;
}

/* Main App Container */
#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.app-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: var(--space-4) var(--space-6);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.header-content {
  max-width: var(--max-width-xl);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.app-title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.app-title h1 {
  font-family: var(--font-headers);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--primary);
  margin: 0;
}

.icon {
  font-size: var(--text-2xl);
}

/* Status Indicator */
#status {
  background: var(--surface-hover);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transition: all var(--transition-base);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--warning);
  transition: background-color var(--transition-base);
}

#status.connected .status-dot {
  background: var(--success);
  animation: pulse 2s ease-in-out infinite;
}

#status.error .status-dot {
  background: var(--error);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Navigation */
.main-nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 var(--space-6);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.nav-content {
  max-width: var(--max-width-xl);
  margin: 0 auto;
  display: flex;
  gap: var(--space-1);
}

.nav-item {
  padding: var(--space-3) var(--space-4);
  color: var(--text-light);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
  border-bottom: 3px solid transparent;
  transition: all var(--transition-fast);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-item:hover {
  color: var(--primary);
  background: var(--surface-hover);
}

.nav-item.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.nav-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: inherit;
}

/* Mobile Menu Toggle Button */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-base);
  transition: background-color var(--transition-fast);
}

.mobile-menu-toggle:hover {
  background: var(--surface-hover);
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: all 0.3s ease;
  transform-origin: center;
  margin: 2px 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Navigation Overlay */
.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--surface);
  z-index: 1000;
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
}

.mobile-nav-overlay.active {
  transform: translateX(0);
}

.mobile-nav-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--border);
  background: var(--surface-hover);
}

.mobile-user-info {
  font-weight: 500;
  color: var(--text);
}

.mobile-nav-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-base);
  color: var(--text-light);
  transition: all var(--transition-fast);
}

.mobile-nav-close:hover {
  background: var(--surface);
  color: var(--text);
}

.mobile-nav-content {
  flex: 1;
  padding: var(--space-4) 0;
  overflow-y: auto;
}

.mobile-nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  color: var(--text-light);
  text-decoration: none;
  font-size: var(--text-base);
  font-weight: 500;
  transition: all var(--transition-fast);
  border-left: 4px solid transparent;
}

.mobile-nav-item:hover {
  color: var(--primary);
  background: var(--surface-hover);
  border-left-color: var(--primary);
}

.mobile-nav-item.active {
  color: var(--primary);
  background: var(--primary-light);
  border-left-color: var(--primary);
}

.mobile-nav-item .nav-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.mobile-nav-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border);
  background: var(--surface-hover);
}

.mobile-logout-button {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--error);
  color: var(--text-inverse);
  border: none;
  border-radius: var(--radius-base);
  font-size: var(--text-base);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mobile-logout-button:hover {
  background: var(--error-dark);
  transform: translateY(-1px);
}

/* Desktop/Mobile Display Controls */
.desktop-only {
  display: flex;
}

.mobile-only {
  display: none;
}

/* Main Content Area */
.main-content {
  flex: 1;
  max-width: var(--max-width-xl);
  margin: 0 auto;
  padding: var(--space-6);
  width: 100%;
}

/* Interview Container */
#interview-container {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--space-6);
  height: calc(100vh - 200px);
}

/* Section Sidebar */
.section-sidebar {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
  overflow-y: auto;
}

.section-sidebar h2 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
  color: var(--primary);
}

.section-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.section-item {
  padding: var(--space-3);
  border-radius: var(--radius-base);
  background: var(--surface-hover);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
  position: relative;
}

.section-item:hover {
  background: var(--surface);
  border-color: var(--primary-light);
}

.section-item.active {
  background: var(--primary);
  color: var(--text-inverse);
}

.section-item.completed {
  border-color: var(--success);
}

.section-item.completed::after {
  content: '✓';
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  color: var(--success);
  font-weight: bold;
}

.section-number {
  font-size: var(--text-xs);
  opacity: 0.7;
  margin-bottom: var(--space-1);
}

.section-title {
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.section-duration {
  font-size: var(--text-xs);
  opacity: 0.7;
}

/* Chat Container */
#chat-container {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chat-header {
  padding: var(--space-4);
  border-bottom: 1px solid var(--border);
  background: var(--surface-hover);
}

.chat-header h3 {
  font-size: var(--text-lg);
  margin: 0;
  color: var(--primary);
}

.chat-messages {
  flex: 1;
  padding: var(--space-4);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* Message Styles */
.message {
  display: flex;
  gap: var(--space-3);
  animation: slideInUp var(--transition-base);
}

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

.message-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  flex-shrink: 0;
}

.message.assistant .message-avatar {
  background: var(--secondary);
}

.message-content {
  max-width: 70%;
  background: var(--surface-hover);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
}

.message.user .message-content {
  background: var(--primary);
  color: var(--text-inverse);
}

.message-timestamp {
  font-size: var(--text-xs);
  color: var(--text-lighter);
  margin-top: var(--space-1);
}

/* Controls */
#controls {
  padding: var(--space-4);
  border-top: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  gap: var(--space-3);
  justify-content: center;
}

.button {
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  border: none;
  font-family: var(--font-ui);
  font-size: var(--text-base);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  box-shadow: var(--shadow-sm);
}

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

#start {
  background: var(--primary);
  color: var(--text-inverse);
}

#start:hover:not(:disabled) {
  background: var(--primary-dark);
  box-shadow: var(--shadow-base);
  transform: translateY(-1px);
}

#stop {
  background: var(--error);
  color: var(--text-inverse);
}

#stop:hover:not(:disabled) {
  background: var(--error-light);
  box-shadow: var(--shadow-base);
  transform: translateY(-1px);
}

/* Mode Toggle */
.mode-toggle {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-4);
  justify-content: center;
  background: var(--surface-hover);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
}

.mode-button {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-base);
  border: 2px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-weight: 500;
}

.mode-button.active {
  background: var(--primary);
  color: var(--text-inverse);
  border-color: var(--primary);
}

/* Progress Indicator */
.progress-bar {
  height: 4px;
  background: var(--border);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-4);
}

.progress-fill {
  height: 100%;
  background: var(--primary);
  transition: width var(--transition-slow);
}

/* Loading States */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
  color: var(--text-light);
}

.loading .spinner {
  margin-right: var(--space-3);
}

/* Empty States */
.empty-state {
  text-align: center;
  padding: var(--space-8);
  color: var(--text-light);
}

.empty-state-icon {
  font-size: var(--text-5xl);
  opacity: 0.3;
  margin-bottom: var(--space-4);
}

/* Responsive Design */
@media (max-width: 768px) {
  /* Mobile Navigation */
  .mobile-menu-toggle {
    display: flex;
  }
  
  .desktop-only {
    display: none !important;
  }
  
  /* Specifically hide user menu on mobile */
  .user-menu {
    display: none !important;
  }
  
  .mobile-only {
    display: flex;
  }
  
  /* Hide entire desktop navigation bar on mobile */
  .main-nav {
    display: none;
  }
  
  .main-nav .desktop-nav {
    display: none;
  }
  
  /* Header adjustments */
  .header-content {
    gap: var(--space-3);
    justify-content: flex-start;
    align-items: center;
  }
  
  .app-title {
    flex: 1;
    justify-content: center;
  }
  
  /* Ensure hamburger and logo are the only visible header elements */
  .app-header .user-menu,
  .app-header .desktop-only {
    display: none !important;
  }
  
  .app-title h1 {
    font-size: var(--text-xl);
  }
  
  .app-title img {
    height: 40px !important;
  }
  
  /* Main content adjustments */
  .main-content {
    padding: var(--space-4);
  }
  
  #interview-container {
    grid-template-columns: 1fr;
    height: auto;
  }
  
  .section-sidebar {
    display: none;
  }
  
  .message-content {
    max-width: 85%;
  }
}

/* Larger mobile devices */
@media (max-width: 1024px) and (min-width: 769px) {
  .nav-content {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .nav-item {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
  }
}

/* Accessibility */
.button:focus,
.nav-item:focus,
.section-item:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Print Styles */
@media print {
  .app-header,
  #controls,
  .section-sidebar,
  .mode-toggle {
    display: none;
  }
  
  .chat-messages {
    background: white;
    color: black;
  }
}