:root {
  --primary: #4263eb;
  --primary-dark: #3b5bdb;
  --secondary: #6c63ff;
  --dark: #1e1e1e;
  --light: #f8f9fa;
  --gray: #495057;
  --success: #37b24d;
  --warning: #f59f00;
  --danger: #e03131;
  --text: #212529;
  --border-radius: 8px;
  --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  --font-mono: 'Fira Code', 'Consolas', monospace;
  --transition: all 0.3s ease;
}
/* Reset Styles */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background-color: var(--light);
  line-height: 1.6;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
header {
  background-color: var(--dark);
  padding: 15px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.logo {
  display: flex;
  align-items: center;
  color: white;
  text-decoration: none;
  font-weight: 700;
  font-size: 24px;
}

.logo span {
  color: var(--primary);
}

.logo i {
  margin-right: 10px;
  color: var(--secondary);
}

.nav-links {
  display: flex;
  list-style: none;
}

.nav-links li {
  margin-left: 25px;
}

.nav-links a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--secondary);
}

.auth-buttons {
  display: flex;
  gap: 10px;
}

.btn {
  padding: 8px 16px;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition);
  border: none;
  font-size: 14px;
}

.btn-outline {
  background: transparent;
  border: 1px solid white;
  color: white;
}

.btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.btn-primary {
  background-color: var(--primary);
  color: white;
  border: none;
  font-weight: 500;
}

.btn-primary:hover {
  background-color: var(--primary-dark);
}

.btn-success {
  background-color: var(--success);
  color: white;
}

.btn-success:hover {
  background-color: #2f9e44;
}

.btn-danger {
  background-color: #dc3545;
  color: white;
  border: none;
  font-weight: 500;
}

.btn-danger:hover {
  background-color: #c82333;
}

/* Hero Section */
.hero {
  padding: 80px 0 40px;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 800;
}

.hero p {
  font-size: 1.2rem;
  color: var(--gray);
  max-width: 700px;
  margin: 0 auto 40px;
}

/* Main Content */
.main-content {
  padding: 40px 0;
}

.card {
  background-color: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  padding: 30px;
  margin-bottom: 30px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.card-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
}

/* Tabs */
.tabs {
  display: flex;
  margin-bottom: 20px;
  border-bottom: 1px solid #eee;
}

.tab {
  padding: 10px 20px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  font-weight: 500;
  transition: var(--transition);
}

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

.tab-content {
  display: none;
}

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

/* Code Input */
.code-textarea {
  width: 100%;
  height: 300px;
  padding: 15px;
  border: 1px solid #ddd;
  border-radius: var(--border-radius);
  font-family: var(--font-mono);
  resize: vertical;
  transition: var(--transition);
}

.code-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(66, 99, 235, 0.1);
}

.file-upload {
  border: 2px dashed #ddd;
  padding: 50px;
  text-align: center;
  border-radius: var(--border-radius);
  transition: var(--transition);
  cursor: pointer;
}

.file-upload:hover {
  border-color: var(--primary);
  background-color: rgba(66, 99, 235, 0.05);
}

.file-upload.dragover {
  border-color: var(--primary);
  background-color: rgba(66, 99, 235, 0.1);
  box-shadow: 0 0 10px rgba(66, 99, 235, 0.2);
}

.file-upload i {
  font-size: 48px;
  color: var(--gray);
  margin-bottom: 15px;
}

.file-upload p {
  color: var(--gray);
}

.file-upload input {
  display: none;
}

.btn-large {
  padding: 12px 24px;
  font-size: 16px;
  width: 100%;
  margin-top: 20px;
}

/* Results Section */
.code-comparison {
  display: flex;
  gap: 20px;
}

.code-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.code-panel-header {
  margin-bottom: 10px;
  font-weight: 500;
  color: var(--gray);
  padding: 0 15px;
}

.code-display {
  background-color: var(--dark);
  color: #d4d4d4;
  border-radius: var(--border-radius);
  position: relative;
  height: 400px;
  overflow: hidden;
}

.code-content {
  height: 100%;
  overflow: auto;
  line-height: 1.5;
  font-family: var(--font-mono);
  white-space: pre-wrap;
  word-break: break-all;
  padding: 15px 30px 15px 60px;
  box-sizing: border-box;
  width: 100%;
}

.line-numbers {
  position: absolute;
  top: 0;
  left: 0;
  width: 40px;
  height: 100%;
  background-color: #252526;
  padding: 15px 5px;
  text-align: right;
  color: #858585;
  font-family: var(--font-mono);
  user-select: none;
  box-sizing: border-box;
  z-index: 1;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-sm i {
  font-size: 14px;
}

/* Card header button styles */
.header-buttons {
  display: flex;
  gap: 10px;
}

/* Pricing Section */
.pricing {
  padding: 60px 0;
  text-align: center;
}

.pricing-header {
  margin-bottom: 50px;
}

.pricing-header h2 {
  font-size: 2.5rem;
  margin-bottom: 15px;
}

.pricing-header p {
  color: var(--gray);
  max-width: 600px;
  margin: 0 auto;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 320px));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
  justify-content: center;
}

.pricing-plan {
  background-color: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.pricing-plan:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* Free Plan Special Styling */
.pricing-plan.free-plan {
  border: 3px solid var(--success);
  position: relative;
  background: linear-gradient(135deg, #f8fff9 0%, #ffffff 100%);
}

.pricing-plan.free-plan:hover {
  border-color: var(--success);
  transform: translateY(-8px);
  box-shadow: 0 12px 32px rgba(55, 178, 77, 0.2);
}

.free-plan .plan-header {
  background: linear-gradient(135deg, var(--success) 0%, #2b9348 100%);
  position: relative;
}

.plan-badge {
  position: absolute;
  top: -3px;
  right: -3px;
  background: linear-gradient(45deg, #ff6b6b, #ff8cc8);
  color: white;
  padding: 4px 12px;
  border-radius: 0 8px 0 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
  animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
  0%,
  100% {
    box-shadow: 0 0 5px rgba(255, 107, 107, 0.5);
  }
  50% {
    box-shadow: 0 0 15px rgba(255, 107, 107, 0.8);
  }
}

.free-trial-btn {
  background: linear-gradient(135deg, var(--success) 0%, #2b9348 100%);
  border: none;
  color: white;
  font-weight: 600;
  transition: all 0.3s ease;
}

.free-trial-btn:hover {
  background: linear-gradient(135deg, #2b9348 0%, var(--success) 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(55, 178, 77, 0.3);
}

/* Popular tag for pricing plans */
.pricing-plan.popular {
  border: 2px solid var(--primary);
  position: relative;
}

.popular-tag {
  position: absolute;
  top: -1px;
  right: -1px;
  background: var(--primary);
  color: white;
  padding: 5px 15px;
  border-radius: 0 8px 0 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  z-index: 1;
}

.plan-header {
  background-color: var(--dark);
  color: white;
  padding: 20px;
}

.plan-name {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 5px;
}

.plan-price {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 5px;
}

.plan-duration {
  font-size: 14px;
  opacity: 0.8;
}

.plan-features {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.feature-list {
  list-style: none;
  margin-bottom: 20px;
  text-align: left;
  flex-grow: 1;
}

.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
}

.feature-list i {
  color: var(--success);
  margin-right: 10px;
}

/* Modal */
.modal-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 9999;
  justify-content: center;
  align-items: center;
}

.modal-backdrop.active {
  display: flex;
}

.modal {
  background-color: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  width: 400px;
  max-width: 90%;
  overflow: hidden;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  border-bottom: 1px solid #eee;
}

.modal-title {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--gray);
}

.modal-close:hover {
  color: var(--dark);
}

.modal-body {
  padding: 20px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

.btn-outline {
  background-color: white;
  color: var(--dark);
  border: 1px solid #dee2e6;
}

.btn-outline:hover {
  background-color: #f8f9fa;
}

/* Form Styles */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: 10px 15px;
  border: 1px solid #ddd;
  border-radius: var(--border-radius);
  font-size: 16px;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(66, 99, 235, 0.1);
}

.form-text {
  font-size: 14px;
  color: var(--gray);
  margin-top: 5px;
}

/* Checkbox Styles */
.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.form-checkbox {
  width: 16px;
  height: 16px;
  margin-top: 2px;
  accent-color: var(--primary);
  cursor: pointer;
}

.checkbox-label {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.4;
  cursor: pointer;
  margin-bottom: 0;
}

.checkbox-label a {
  color: var(--primary);
  text-decoration: underline;
  transition: var(--transition);
}

.checkbox-label a:hover {
  color: var(--primary-dark);
}

/* Improve login button disabled state when terms not agreed */
#login-submit-btn:disabled,
#signup-submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* User Menu */
.user-menu {
  position: relative;
  display: none;
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--primary);
  color: white;
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.user-avatar:hover {
  background-color: var(--primary-dark);
}

/* User info summary display */
.user-menu {
  display: none;
  align-items: center;
  gap: 10px;
}

.user-info-summary {
  display: flex;
  flex-direction: column;
  color: white;
  font-size: 14px;
}

.user-name-display {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 120px;
}

.user-credits-display {
  font-size: 12px;
  opacity: 0.8;
}

/* Navigation logout button */
.logout-btn {
  margin-left: 20px;
  display: none; /* Hidden by default, only shown after login */
}

/* Subscription status */
.subscription-status-item {
  display: none; /* Hidden by default */
}

.subscription-status-item.show {
  display: block;
}

/* User subscription display in summary */
.user-subscription-display {
  font-size: 12px;
  opacity: 0.8;
  margin-top: 2px;
}

.user-subscription-display i {
  margin-right: 4px;
  color: #ffd700; /* Gold color for crown icon */
}

/* File upload styles */
.file-uploaded {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 20px;
  background: rgba(66, 99, 235, 0.05);
  border: 2px solid rgba(66, 99, 235, 0.2);
  border-radius: var(--border-radius);
}

.file-uploaded i {
  font-size: 32px;
  color: var(--primary);
}

.file-info {
  flex: 1;
}

.file-name {
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.file-size {
  font-size: 14px;
  color: var(--gray);
}

.remove-file-btn {
  padding: 6px 12px;
  font-size: 14px;
}

.file-upload.drag-over {
  background: rgba(66, 99, 235, 0.1);
  border-color: var(--primary);
}

/* History pagination styles */
.history-pagination {
  margin-top: 20px;
  padding: 15px;
  background: rgba(66, 99, 235, 0.05);
  border: 1px solid rgba(66, 99, 235, 0.1);
  border-radius: var(--border-radius);
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.pagination-info {
  color: var(--gray);
  font-size: 0.9rem;
  font-weight: 500;
}

.pagination-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
}

.pagination-btn {
  background: rgba(66, 99, 235, 0.1);
  border: 1px solid rgba(66, 99, 235, 0.3);
  color: var(--primary);
  padding: 8px 15px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: all 0.2s ease;
  font-weight: 500;
}

.pagination-btn:hover:not(:disabled) {
  background: rgba(66, 99, 235, 0.2);
  border-color: rgba(66, 99, 235, 0.5);
  transform: translateY(-1px);
}

.pagination-btn:disabled {
  opacity: 0.5;
  background: rgba(66, 99, 235, 0.05);
  border: 1px solid rgba(66, 99, 235, 0.1);
  color: var(--gray);
  cursor: not-allowed;
  transform: none;
}

.page-info {
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 600;
  padding: 0 10px;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  background-color: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  min-width: 200px;
  display: none;
  z-index: 1000;
}

.dropdown-menu.active {
  display: block;
}

.user-info {
  padding: 15px;
  border-bottom: 1px solid #eee;
}

.user-name {
  font-weight: 600;
}

.user-email {
  font-size: 14px;
  color: var(--gray);
}

.dropdown-list {
  list-style: none;
}

.dropdown-item {
  padding: 10px 15px;
  display: flex;
  align-items: center;
  color: var(--text);
  text-decoration: none;
  transition: var(--transition);
}

.dropdown-item:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

.dropdown-item i {
  margin-right: 10px;
  color: var(--gray);
  width: 20px;
  text-align: center;
}

.divider {
  height: 1px;
  background-color: #eee;
  margin: 5px 0;
}

.logout-item {
  color: var(--danger);
}

.logout-item i {
  color: var(--danger);
}

/* Dashboard */
.dashboard {
  display: none;
}

.dashboard-tabs {
  display: flex;
  margin-bottom: 20px;
  border-bottom: 1px solid #eee;
}

.dashboard-tab {
  padding: 10px 20px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  font-weight: 500;
  transition: var(--transition);
}

.dashboard-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.dashboard-content {
  display: none;
}

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

.credit-badge {
  display: inline-flex;
  align-items: center;
  background-color: rgba(66, 99, 235, 0.1);
  color: var(--primary);
  padding: 5px 10px;
  border-radius: 20px;
  font-weight: 600;
}

.credit-badge i {
  margin-right: 5px;
}

.history-item {
  border: 1px solid #eee;
  border-radius: var(--border-radius);
  padding: 15px;
  margin-bottom: 15px;
  transition: var(--transition);
  background-color: white;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.history-item:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Fix history content layout */
.history-content-wrapper {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  min-height: 45px; /* Ensure sufficient height for content */
}

.history-preview {
  background-color: #f5f5f5;
  padding: 10px 15px;
  border-radius: 4px;
  font-family: var(--font-mono);
  margin-bottom: 10px;
  overflow: hidden;
  font-size: 14px;
  color: #333;
  border-left: 3px solid var(--primary);
  line-height: 1.4;
  width: 100%;
  box-sizing: border-box;
  white-space: pre-wrap;
  max-height: 120px;
  position: relative;
}

.history-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 8px;
  flex-shrink: 0;
  align-self: flex-start;
}

.history-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.history-title {
  font-weight: 600;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 8px;
}

.history-title i {
  color: var(--primary);
  font-size: 16px;
}

.history-date {
  font-size: 14px;
  color: var(--gray);
  display: flex;
  align-items: center;
  gap: 6px;
}

.history-date i {
  color: var(--gray);
  opacity: 0.7;
}

.history-empty {
  padding: 30px;
  text-align: center;
  color: var(--gray);
  font-style: italic;
}

.history-loading {
  padding: 30px;
  text-align: center;
  color: var(--gray);
}

.history-loading i {
  font-size: 24px;
  color: var(--primary);
  margin-bottom: 10px;
}

/* Pagination styles */
.pagination-container {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.pagination {
  display: flex;
  gap: 5px;
  margin-bottom: 10px;
}

.pagination-btn {
  padding: 5px 10px;
  border: 1px solid #eee;
  border-radius: var(--border-radius);
  background: white;
  cursor: pointer;
  transition: var(--transition);
}

.pagination-btn:hover {
  background-color: #f5f5f5;
}

.pagination-btn.active {
  background-color: var(--primary);
  color: white;
  border-color: var(--primary);
}

.pagination-info {
  font-size: 14px;
  color: var(--gray);
}

/* Order status styles */
.order-status {
  font-size: 12px;
  font-weight: 500;
  padding: 4px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-pending {
  background-color: #fff3cd;
  color: #856404;
  border: 1px solid #ffeaa7;
}

.status-success {
  background-color: #d1edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.status-failed {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.status-cancelled {
  background-color: #e2e3e5;
  color: #383d41;
  border: 1px solid #d6d8db;
}

.status-unknown {
  background-color: #f8f9fa;
  color: #6c757d;
  border: 1px solid #dee2e6;
}

/* Order details styles */
.order-details {
  background: #f8f9fa;
  border: 1px solid #e9ecef;
  border-radius: 6px;
  padding: 12px;
  margin-bottom: 8px;
  font-family: inherit;
}

/* Pricing loading styles */
.pricing-loading {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 200px;
}

.loading-card {
  text-align: center;
  padding: 40px;
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  color: var(--gray);
}

.loading-card i {
  font-size: 32px;
  color: var(--primary);
  margin-bottom: 15px;
  display: block;
}

.loading-card p {
  margin: 0;
  font-size: 16px;
}

/* Payment Options */
.payment-options {
  display: flex;
  gap: 15px;
  margin-bottom: 20px;
}

.payment-option {
  flex: 1;
  border: 1px solid #ddd;
  border-radius: var(--border-radius);
  padding: 15px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}

.payment-option:hover {
  border-color: var(--primary);
}

.payment-option.selected {
  border-color: var(--primary);
  background-color: rgba(66, 99, 235, 0.05);
}

.payment-option i {
  font-size: 24px;
  color: var(--gray);
  margin-bottom: 10px;
}

/* Code Highlighting */
.code-annotation {
  background-color: rgba(108, 99, 255, 0.1);
  border-left: 3px solid var(--secondary);
  margin-left: -3px;
  padding-left: 10px;
}

.annotation-comment {
  color: #6c63ff;
  font-style: italic;
}

/* Loading Indicator */
.loader {
  display: none;
  width: 48px;
  height: 48px;
  border: 4px solid rgba(66, 99, 235, 0.1);
  border-radius: 50%;
  border-top-color: var(--primary);
  margin: 30px auto;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Success Checkmark */
.checkmark {
  display: none;
  width: 48px;
  height: 48px;
  margin: 30px auto;
  border-radius: 50%;
  background-color: var(--success);
  position: relative;
  animation: scale 0.3s ease-in-out;
}

.checkmark::after {
  content: '';
  position: absolute;
  top: 14px;
  left: 17px;
  width: 14px;
  height: 8px;
  border-left: 3px solid white;
  border-bottom: 3px solid white;
  transform: rotate(-45deg);
}

@keyframes scale {
  0% {
    transform: scale(0);
  }
  100% {
    transform: scale(1);
  }
}

/* Footer */
footer {
  background-color: var(--dark);
  color: white;
  padding: 40px 0;
  text-align: center;
}

.footer-content {
  max-width: 600px;
  margin: 0 auto;
}

.footer-logo {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.footer-links a {
  color: #adb5bd;
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: white;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 20px;
}

.social-icon {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  color: white;
  text-decoration: none;
  transition: var(--transition);
}

.social-icon:hover {
  background-color: var(--primary);
  transform: translateY(-3px);
}

/* Responsive */
@media (max-width: 992px) {
  .code-comparison {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    justify-content: center;
  }

  .history-actions {
    justify-content: flex-end;
  }

  .history-preview {
    max-width: 100%;
  }
}

@media (max-width: 576px) {
  .hero h1 {
    font-size: 2rem;
  }

  .card {
    padding: 20px;
  }

  .form-control {
    padding: 8px 12px;
  }
}

/* Privacy Content Styles */
.privacy-content {
  max-height: 70vh;
  overflow-y: auto;
  font-size: 14px;
  line-height: 1.6;
}

.privacy-content h3 {
  color: var(--primary);
  margin: 20px 0 10px;
  font-size: 18px;
}

.privacy-content p,
.privacy-content li {
  margin-bottom: 10px;
  color: var(--text);
  line-height: 1.6;
}

.privacy-content ul {
  padding-left: 20px;
  margin-bottom: 15px;
}

.privacy-content .last-updated {
  font-style: italic;
  color: var(--gray);
  text-align: right;
  margin-top: 30px;
}

.privacy-content::-webkit-scrollbar {
  width: 8px;
}

.privacy-content::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
}

.privacy-content::-webkit-scrollbar-thumb {
  background: rgba(66, 99, 235, 0.5);
  border-radius: 10px;
}

/* Success notification styles */
.success-notification {
  position: fixed;
  top: 20px;
  right: 20px;
  background-color: var(--success);
  color: white;
  padding: 15px 20px;
  border-radius: var(--border-radius);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 2000;
  display: flex;
  align-items: center;
  transform: translateX(120%);
  transition: transform 0.3s ease;
}

.success-notification.active {
  transform: translateX(0);
}

.success-notification i {
  margin-right: 10px;
  font-size: 18px;
}

.success-notification p {
  margin: 0;
  font-weight: 500;
}

/* Error notification styles */
.error-notification {
  position: fixed;
  top: 20px;
  right: 20px;
  background-color: var(--danger);
  color: white;
  padding: 15px 20px;
  border-radius: var(--border-radius);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 2000;
  display: flex;
  align-items: center;
  transform: translateX(120%);
  transition: transform 0.3s ease;
}

.error-notification.active {
  transform: translateX(0);
}

.error-notification i {
  margin-right: 10px;
  font-size: 18px;
}

.error-notification p {
  margin: 0;
  font-weight: 500;
}

/* Privacy Policy and Terms of Service Modals */
#privacyPolicyModal .modal,
#termsModal .modal {
  max-width: 900px; /* Increased for better readability */
  width: 90%; /* Responsive width */
  max-height: 80vh; /* Maximum height to prevent overflow */
  overflow-y: auto; /* Allow scrolling if content is too long */
}

#privacyPolicyModal .modal-body,
#termsModal .modal-body {
  max-height: 60vh; /* Limit content height */
  overflow-y: auto; /* Scrollable content */
  padding: 25px 30px; /* Increased padding for better spacing */
}

#privacyPolicyModal .privacy-content,
#termsModal .privacy-content {
  line-height: 1.6; /* Better line spacing */
}

#privacyPolicyModal .privacy-content h3,
#termsModal .privacy-content h3 {
  margin-top: 25px;
  margin-bottom: 15px;
  color: var(--primary);
  font-size: 1.3rem;
}

#privacyPolicyModal .privacy-content p,
#termsModal .privacy-content p {
  margin-bottom: 15px;
  text-align: justify;
}

#privacyPolicyModal .privacy-content ul,
#termsModal .privacy-content ul {
  margin-bottom: 15px;
  padding-left: 25px;
}

#privacyPolicyModal .privacy-content li,
#termsModal .privacy-content li {
  margin-bottom: 8px;
}

/* Contact Section Styles */
.contact-section {
  padding: 60px 0;
  background-color: var(--light);
  border-top: 1px solid #e9ecef;
}

.contact-header {
  text-align: center;
  margin-bottom: 50px;
}

.contact-header h2 {
  font-size: 2.5rem;
  margin-bottom: 15px;
  color: var(--dark);
  font-weight: 700;
}

.contact-header p {
  font-size: 1.1rem;
  color: var(--gray);
  max-width: 600px;
  margin: 0 auto;
}

.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  padding: 25px;
  background: white;
  border-radius: var(--border-radius);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: var(--transition);
  border: 1px solid #f1f3f4;
}

.contact-item:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  transform: translateY(-2px);
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 20px;
  flex-shrink: 0;
}

.contact-icon i {
  color: white;
  font-size: 20px;
}

.contact-details h3 {
  margin: 0 0 8px 0;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--dark);
}

.contact-details p {
  margin: 0;
  color: var(--gray);
  line-height: 1.5;
}

.contact-details a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

.contact-details a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* Responsive design for contact section */
@media (max-width: 768px) {
  .contact-info-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .contact-item {
    padding: 20px;
  }

  .contact-header h2 {
    font-size: 2rem;
  }

  .contact-icon {
    width: 45px;
    height: 45px;
    margin-right: 15px;
  }

  .contact-icon i {
    font-size: 18px;
  }
}

/* About Section Styles */
.about-section {
  padding: 60px 0;
  background-color: var(--light);
}

.about-header {
  text-align: center;
  margin-bottom: 50px;
}

.about-header h2 {
  font-size: 2.5rem;
  margin-bottom: 15px;
  color: var(--dark);
}

.about-header p {
  font-size: 1.2rem;
  color: var(--gray);
  max-width: 700px;
  margin: 0 auto;
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: 60px;
}

.about-story,
.about-mission {
  display: flex;
  align-items: center;
  gap: 40px;
}

.about-mission {
  flex-direction: row-reverse;
}

.about-image {
  flex: 1;
  border-radius: var(--border-radius);
  overflow: hidden;
  position: relative;
  box-shadow: var(--box-shadow);
}

.about-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.3s ease;
}

.about-image:hover img {
  transform: scale(1.05);
}

.image-credit {
  position: absolute;
  bottom: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.7);
  color: rgba(255, 255, 255, 0.7);
  padding: 5px 10px;
  font-size: 12px;
  border-top-left-radius: var(--border-radius);
}

.image-credit a {
  color: var(--secondary);
  text-decoration: none;
}

.image-credit a:hover {
  text-decoration: underline;
}

.about-text {
  flex: 1;
}

.about-text h3 {
  color: var(--primary);
  font-size: 1.8rem;
  margin-bottom: 20px;
}

.about-text p {
  margin-bottom: 15px;
  line-height: 1.8;
  color: var(--text);
}

.about-team,
.about-values {
  text-align: center;
}

.about-team h3,
.about-values h3 {
  color: var(--primary);
  font-size: 1.8rem;
  margin-bottom: 30px;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
}

.team-member {
  background-color: white;
  border-radius: var(--border-radius);
  padding: 20px;
  box-shadow: var(--box-shadow);
  transition: transform 0.3s ease;
}

.team-member:hover {
  transform: translateY(-5px);
}

.member-image {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 15px;
  border: 3px solid var(--primary);
}

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

.team-member h4 {
  color: var(--text);
  font-size: 18px;
  margin-bottom: 5px;
}

.member-role {
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 10px;
}

.member-bio {
  font-size: 14px;
  color: var(--gray);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.value-item {
  background-color: white;
  border-radius: var(--border-radius);
  padding: 25px;
  text-align: center;
  box-shadow: var(--box-shadow);
  transition: all 0.3s ease;
}

.value-item:hover {
  transform: translateY(-5px);
  background-color: rgba(66, 99, 235, 0.05);
}

.value-item i {
  font-size: 36px;
  color: var(--primary);
  margin-bottom: 15px;
}

.value-item h4 {
  color: var(--text);
  font-size: 18px;
  margin-bottom: 10px;
}

.value-item p {
  font-size: 15px;
  color: var(--gray);
  line-height: 1.6;
}

.about-cta {
  text-align: center;
  padding: 40px;
  background-color: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.about-cta h3 {
  color: var(--primary);
  font-size: 1.5rem;
  margin-bottom: 15px;
}

.about-cta p {
  margin-bottom: 25px;
  color: var(--gray);
}

/* Responsive styles for About section */
@media (max-width: 900px) {
  .about-story,
  .about-mission {
    flex-direction: column;
  }

  .team-grid,
  .values-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

@media (max-width: 576px) {
  .about-header h2 {
    font-size: 2rem;
  }
}

/* Loading state button styles */
.btn-loading {
  position: relative;
  pointer-events: none;
  opacity: 0.7;
}

.btn-loading .spinner {
  display: inline-block;
  margin-right: 5px;
}

/* Toast notification styles */
.toast-container {
  position: fixed;
  top: 70px; /* Header height about 55px + spacing, prevent being covered */
  right: 20px;
  z-index: 25000; /* Higher than code modal (2000) */
  width: 300px;
}

.toast {
  background-color: white;
  color: var(--dark);
  padding: 15px;
  border-radius: var(--border-radius);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  margin-bottom: 10px;
  display: flex;
  align-items: flex-start;
  animation: slideIn 0.3s ease, fadeOut 0.5s ease 2.5s forwards;
  position: relative;
  overflow: hidden;
}

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

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

.toast-warning {
  border-left: 4px solid var(--warning);
}

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

.toast-icon {
  margin-right: 10px;
  font-size: 18px;
}

.toast-success .toast-icon {
  color: var(--success);
}

.toast-error .toast-icon {
  color: var(--danger);
}

.toast-warning .toast-icon {
  color: var(--warning);
}

.toast-info .toast-icon {
  color: var(--primary);
}

.toast-content {
  flex-grow: 1;
}

.toast-title {
  font-weight: 600;
  margin-bottom: 4px;
  font-size: 16px;
}

.toast-message {
  font-size: 14px;
  color: var(--gray);
}

.toast-close {
  background: none;
  border: none;
  color: var(--gray);
  font-size: 16px;
  cursor: pointer;
  padding: 0;
  margin-left: 10px;
}

.toast-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background-color: rgba(0, 0, 0, 0.1);
  width: 100%;
}

.toast-progress-bar {
  height: 100%;
  background-color: var(--primary);
  width: 100%;
  animation: progress 3s linear;
}

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

@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

@keyframes progress {
  from {
    width: 100%;
  }
  to {
    width: 0%;
  }
}

/* Verification code input styles */
.verification-input-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
}

.verification-code-input {
  flex-grow: 1;
}

.verification-btn {
  white-space: nowrap;
  min-width: 100px;
}

/* Optimize code annotation display */
#annotated-code {
  max-width: 100%;
  overflow-x: auto;
}

#annotated-code pre {
  max-width: 100%;
  overflow-x: auto;
  padding: 15px;
  border-radius: 4px;
  background-color: #f5f5f5;
  font-family: var(--font-mono);
  margin: 10px 0;
}

#annotated-code code {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
}

/* Ensure button display in history record items */
.btn-sm {
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 4px;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-sm i {
  margin-right: 5px;
}

/* Code view modal styles - completely refactored to solve bottom blue line and scrolling issues */
.code-modal-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 2000;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

.code-modal {
  background-color: #fff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  width: 90%;
  max-width: 1000px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0;
  overflow: hidden;
  border: none !important;
  position: relative;
  box-sizing: border-box;
}

.code-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  background-color: var(--dark);
  color: white;
  border: none !important;
  position: relative;
  z-index: 2;
  box-sizing: border-box;
}

.code-modal-title {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 600;
}

.code-modal-actions {
  display: flex;
  gap: 10px;
}

.code-modal-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: white;
  margin-left: 15px;
}

.code-modal-close:hover {
  color: var(--secondary);
}

.code-modal-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  position: relative;
  overflow: auto;
  box-sizing: border-box;
  padding: 0;
  margin: 0;
  background-color: #fff;
  overflow-x: hidden;
  border: none !important;
}

.code-modal-content {
  flex: 1;
  position: relative;
  box-sizing: border-box;
  background-color: #fff;
  border: none !important;
}

.code-modal-display {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  background-color: #fff;
  position: relative;
  border: none !important;
}

/* Clear all possible borders */
#code-view-modal,
.code-modal,
.code-modal-header,
.code-modal-body,
.code-modal-content,
.code-modal-display,
.code-modal-display * {
  border: none !important;
  outline: none !important;
}

/* Key to solving bottom blue line issue */
.code-modal-display::after {
  content: '';
  display: block;
  height: 50px; /* Increase height to ensure blue line coverage */
  width: 100%;
  background-color: #fff;
  position: sticky;
  bottom: -1px;
  margin-bottom: -20px;
  z-index: 100;
  pointer-events: none;
  border: none !important;
}

/* 确保内容正确显示 */
.code-modal-display pre {
  margin: 0;
  padding: 15px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
  background-color: #f5f5f5;
  border-radius: 0;
  overflow: visible;
  box-sizing: border-box;
  border: none !important;
}

.code-modal-display code {
  font-family: var(--font-mono);
  border: none !important;
}

/* 避免版权信息等元素显示 */
body
  > *:not(.code-modal-backdrop):not(header):not(footer):not(script):not(
    .toast-container
  ) {
  z-index: 11;
}

#code-view-modal {
  z-index: 2000;
}

/* 移除所有伪元素 */
#code-view-modal::before,
#code-view-modal::after,
.code-modal::before,
.code-modal::after,
.code-modal-body::before,
.code-modal-body::after,
.code-modal-content::before,
.code-modal-content::after {
  display: none !important;
}

/* 添加底部额外空白，彻底解决蓝线问题 */
.modal-bottom-spacer {
  height: 50px;
  background-color: #fff;
  width: 100%;
  border: none !important;
  margin: 0;
  padding: 0;
  position: sticky;
  bottom: 0;
  z-index: 101;
}