/* EcoAI Prompt Studio - Styles */
/* Modern ChatGPT-style interface with dark theme */

/* CSS Variables for Theme */
:root {
  /* Colors */
  --bg-primary: #000000;
  --bg-secondary: #111111;
  --bg-tertiary: #1a1a1a;
  --text-primary: #E5E7EB;
  --text-secondary: #94A3B8;
  --text-muted: #6B7280;
  --accent-green: #34D399;
  --accent-blue: #60A5FA;
  --accent-red: #F87171;
  --accent-yellow: #FBBF24;
  
  /* Semantic colors */
  --success: var(--accent-green);
  --warning: var(--accent-yellow);
  --danger: var(--accent-red);
  --info: var(--accent-blue);
  
  /* Borders and shadows */
  --border-color: #374151;
  --border-light: #4B5563;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  
  /* Typography */
  --font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  
  /* Border radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 200ms ease;
  --transition-slow: 300ms ease;
}

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

html {
  height: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  height: 100vh;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Accessibility - Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Focus styles for accessibility */
*:focus {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
}

*:focus:not(:focus-visible) {
  outline: none;
}

/* Header */
.header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-content {
  display: flex;
  align-items: center;
  padding: var(--space-4) var(--space-6);
  gap: var(--space-6);
  max-width: 100vw;
}

.sidebar-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.sidebar-toggle:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.studio-badge {
  background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
  color: white;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-xl);
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: 0 2px 8px rgba(52, 211, 153, 0.3);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-left: auto;
}

.search-container {
  position: relative;
}

.search-input {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-2) var(--space-3) var(--space-2) var(--space-10);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  width: 300px;
  transition: all var(--transition-fast);
}

.search-input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.1);
}

.search-input::placeholder {
  color: var(--text-muted);
}

.search-icon {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

/* App Layout */
.app-layout {
  display: grid;
  grid-template-columns: 280px 1fr 320px;
  height: calc(100vh - 80px);
  overflow: hidden;
}

/* Sidebar */
.sidebar {
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.sidebar.collapsed {
  width: 0;
  min-width: 0;
  border-right: none;
  overflow: hidden;
}

.sidebar-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--border-color);
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-green);
  color: white;
  border-color: var(--accent-green);
}

.btn-primary:hover {
  background: #10B981;
  border-color: #10B981;
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background: var(--border-light);
  border-color: var(--border-light);
}

.btn-sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
}

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

.nav-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--space-3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.recent-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.recent-item {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.recent-item.active {
  background: var(--bg-tertiary);
}

.recent-button {
  width: 100%;
  background: none;
  border: none;
  padding: var(--space-3);
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.recent-button:hover {
  background: var(--bg-tertiary);
}

.recent-title {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  font-weight: 500;
}

.recent-time {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.sidebar-footer {
  padding: var(--space-4);
  border-top: 1px solid var(--border-color);
}

.settings-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.settings-link:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

/* Main Content */
.main-content {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-primary);
}

.chat-container {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-6);
  scroll-behavior: smooth;
}

.chat-messages {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  max-width: 800px;
  margin: 0 auto;
}

/* Custom scrollbar */
.chat-container::-webkit-scrollbar,
.sidebar-nav::-webkit-scrollbar {
  width: 6px;
}

.chat-container::-webkit-scrollbar-track,
.sidebar-nav::-webkit-scrollbar-track {
  background: transparent;
}

.chat-container::-webkit-scrollbar-thumb,
.sidebar-nav::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

.chat-container::-webkit-scrollbar-thumb:hover,
.sidebar-nav::-webkit-scrollbar-thumb:hover {
  background: var(--border-light);
}

/* Message bubbles */
.message {
  display: flex;
  gap: var(--space-3);
  max-width: 100%;
}

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

.message-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 600;
  flex-shrink: 0;
}

.message.user .message-avatar {
  background: var(--accent-blue);
  color: white;
}

.message.assistant .message-avatar {
  background: var(--accent-green);
  color: white;
}

.message-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  max-width: 80%;
  word-wrap: break-word;
}

.message.user .message-content {
  background: var(--accent-blue);
  color: white;
  border-color: var(--accent-blue);
}

.message-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.message.user .message-meta {
  color: rgba(255, 255, 255, 0.7);
}

.message-text {
  line-height: 1.6;
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  padding: var(--space-8);
}

.empty-illustration {
  margin-bottom: var(--space-6);
  opacity: 0.6;
}

.empty-state h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.empty-state p {
  color: var(--text-secondary);
  max-width: 400px;
}

/* Composer */
.composer-container {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
}

.composer {
  max-width: 800px;
  margin: 0 auto;
}

.composer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-3);
}

.templates-dropdown {
  position: relative;
}

.templates-menu {
  position: absolute;
  bottom: 100%;
  left: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  min-width: 200px;
  z-index: 100;
}

.template-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-1);
  width: 100%;
  background: none;
  border: none;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.template-item:hover {
  background: var(--bg-tertiary);
}

.template-name {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-primary);
}

.template-desc {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

.composer-actions {
  display: flex;
  gap: var(--space-2);
}

.composer-input {
  position: relative;
}

#prompt-input {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  color: var(--text-primary);
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  resize: none;
  min-height: 60px;
  max-height: 200px;
  transition: all var(--transition-fast);
}

#prompt-input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.1);
}

#prompt-input::placeholder {
  color: var(--text-muted);
}

.composer-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.shortcuts {
  display: flex;
  gap: var(--space-4);
}

/* Inspector Panel */
.inspector-panel {
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.inspector-panel.collapsed {
  width: 0;
  min-width: 0;
  border-left: none;
  overflow: hidden;
}

.inspector-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  border-bottom: 1px solid var(--border-color);
}

.inspector-tabs {
  display: flex;
  gap: var(--space-1);
}

.tab-button {
  background: none;
  border: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-button.active {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.tab-button:hover:not(.active) {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.inspector-toggle {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.inspector-toggle:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

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

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* Prompt Diff */
.prompt-diff {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.diff-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.diff-header h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
}

.diff-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

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

.diff-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.diff-text {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  font-size: var(--font-size-sm);
  line-height: 1.6;
  color: var(--text-primary);
  white-space: pre-wrap;
  word-wrap: break-word;
}

/* Diff highlighting */
.diff-added {
  background: rgba(52, 211, 153, 0.2);
  color: var(--accent-green);
  text-decoration: underline;
  padding: 2px 4px;
  border-radius: 3px;
}

.diff-removed {
  background: rgba(248, 113, 113, 0.2);
  color: var(--accent-red);
  text-decoration: line-through;
  padding: 2px 4px;
  border-radius: 3px;
}

.quality-badge {
  display: flex;
  justify-content: center;
}

.quality-score {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--bg-tertiary);
  border: 1px solid var(--accent-green);
  border-radius: var(--radius-xl);
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--accent-green);
}

/* Carbon Receipt */
.receipt-content h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.receipt-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.receipt-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

.receipt-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-3);
}

.receipt-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-primary);
}

.receipt-change {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--accent-green);
}

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

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

.bar-label {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  min-width: 50px;
}

.bar-fill {
  height: 8px;
  background: var(--accent-green);
  border-radius: 4px;
  transition: width var(--transition-slow);
  min-width: 20px;
}

.receipt-bar.before .bar-fill {
  background: var(--text-muted);
}

.bar-value {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--text-primary);
  min-width: 60px;
  text-align: right;
}

.assumptions {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-color);
}

.assumptions details {
  cursor: pointer;
}

.assumptions summary {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.assumptions summary:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.assumptions-content {
  padding: var(--space-3);
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  line-height: 1.6;
}

.assumptions-content p {
  margin-bottom: var(--space-2);
}

.assumptions-content p:last-child {
  margin-bottom: 0;
}

/* Toast System */
.toast-container {
  position: fixed;
  top: var(--space-6);
  right: var(--space-6);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-width: 400px;
}

.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  animation: toastSlideIn 0.3s ease-out;
  max-width: 100%;
}

.toast.success {
  border-left: 4px solid var(--accent-green);
}

.toast.error {
  border-left: 4px solid var(--accent-red);
}

.toast.info {
  border-left: 4px solid var(--accent-blue);
}

.toast-icon {
  flex-shrink: 0;
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.toast-message {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.4;
}

.toast-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: var(--space-1);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.toast-close:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

/* Animations */
@keyframes toastSlideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

.toast.fade-out {
  animation: fadeOut 0.3s ease-in forwards;
}

/* Responsive Design */
@media (max-width: 1199px) {
  .app-layout {
    grid-template-columns: 280px 1fr;
  }
  
  .inspector-panel {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: 320px;
    transform: translateX(100%);
    z-index: 60;
    box-shadow: var(--shadow-lg);
  }
  
  .inspector-panel.open {
    transform: translateX(0);
  }
  
  .header-actions .search-container {
    display: none;
  }
}

@media (max-width: 767px) {
  .app-layout {
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 280px;
    transform: translateX(-100%);
    z-index: 60;
    box-shadow: var(--shadow-lg);
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .sidebar-toggle {
    display: block;
  }
  
  .header-content {
    padding: var(--space-3) var(--space-4);
  }
  
  .header-title h1 {
    font-size: var(--font-size-lg);
  }
  
  .header-actions .btn {
    display: none;
  }
  
  .header-actions .btn:first-child {
    display: flex;
  }
  
  .chat-container {
    padding: var(--space-4);
  }
  
  .composer-container {
    padding: var(--space-4);
  }
  
  .message-content {
    max-width: 95%;
  }
  
  .inspector-panel {
    width: 100%;
    bottom: 0;
    top: auto;
    height: 60vh;
    transform: translateY(100%);
  }
  
  .inspector-panel.open {
    transform: translateY(0);
  }
  
  .toast-container {
    top: var(--space-4);
    right: var(--space-4);
    left: var(--space-4);
    max-width: none;
  }
  
  .composer-header {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3);
  }
  
  .templates-dropdown {
    align-self: flex-start;
  }
  
  .composer-actions {
    align-self: flex-end;
  }
  
  .diff-content {
    gap: var(--space-3);
  }
  
  .receipt-cards {
    gap: var(--space-3);
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --border-color: #6B7280;
    --border-light: #9CA3AF;
    --text-secondary: #D1D5DB;
    --text-muted: #9CA3AF;
  }
}

/* Authentication Modal */
.auth-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  backdrop-filter: blur(10px);
}

.auth-modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  max-width: 500px;
  width: 90%;
  box-shadow: var(--shadow-lg);
  animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.auth-header {
  text-align: center;
  margin-bottom: var(--space-6);
}

.auth-header h2 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.auth-header p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

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

.form-group label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-primary);
}

.form-group input {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.form-group input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.1);
  outline: none;
}

.form-group small {
  color: var(--text-muted);
  font-size: var(--font-size-xs);
}

.form-group small a {
  color: var(--accent-blue);
  text-decoration: none;
}

.form-group small a:hover {
  text-decoration: underline;
}

.auth-actions {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.auth-actions .btn {
  flex: 1;
  justify-content: center;
}

.login-info {
  margin-bottom: var(--space-6);
}

.info-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
}

.info-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.info-card p {
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}

.info-card ul {
  list-style: none;
  text-align: left;
  max-width: 300px;
  margin: 0 auto;
}

.info-card li {
  color: var(--text-secondary);
  padding: var(--space-2) 0;
  position: relative;
  padding-left: var(--space-6);
}

.info-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent-green);
  font-weight: bold;
}

.login-help {
  text-align: center;
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-color);
}

/* Loading message styling */
.message.loading .message-content {
  opacity: 0.7;
}

.message.loading .message-text {
  font-style: italic;
}

/* Print styles */
@media print {
  .sidebar,
  .inspector-panel,
  .composer-container,
  .header {
    display: none;
  }
  
  .app-layout {
    grid-template-columns: 1fr;
  }
  
  .chat-container {
    padding: 0;
  }
  
  .message-content {
    background: white;
    color: black;
    border: 1px solid #ccc;
  }
}