/* Base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
  --primary-color: #4caf50;
  --secondary-color: #2196f3;
  --accent-color: #ff9800;
  --text-color: #333;
  --light-text: #666;
  --lighter-text: #999;
  --background-color: #f9f9f9;
  --card-color: #fff;
  --border-color: #e0e0e0;
  --success-color: #4caf50;
  --warning-color: #ffc107;
  --danger-color: #f44336;
}

body {
  background-color: var(--background-color);
  color: var(--text-color);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

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

.view {
  display: none;
  padding: 20px 0;
  min-height: calc(100vh - 60px);
}

.active {
  display: block;
}

/* Header */
header {
  background-color: var(--primary-color);
  color: white;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 60px;
  padding: 0 20px;
}

.logo {
  font-size: 20px;
  font-weight: bold;
  display: flex;
  align-items: center;
}

.logo i {
  margin-right: 10px;
}

.nav-links {
  display: flex;
  gap: 20px;
}

.nav-links a {
  color: white;
  text-decoration: none;
  font-size: 14px;
  padding: 5px 10px;
  border-radius: 4px;
  transition: background-color 0.3s;
}

.nav-links a:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

/* Button styles */
.btn {
  padding: 10px 20px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

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

.btn-primary:hover {
  background-color: #388e3c;
}

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

.btn-secondary:hover {
  background-color: #1976d2;
}

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

.btn-accent:hover {
  background-color: #f57c00;
}

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
}

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

.btn.btn-outline#logoutBtn,
#logoutBtn.btn.btn-outline {
  color: #fff;
  border: 1.5px solid #fff;
  background: transparent;
  transition: background 0.2s, color 0.2s;
}
#logoutBtn.btn.btn-outline:hover {
  background: var(--primary-color);
  color: #fff;
  border-color: #fff;
}

/* Card styles */
.card {
  background-color: var(--card-color);
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  margin-bottom: 20px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.card-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.card-content {
  padding: 15px;
}

.card-title {
  font-size: 18px;
  margin-bottom: 10px;
  color: var(--text-color);
}

.card-text {
  font-size: 14px;
  color: var(--light-text);
  margin-bottom: 10px;
  line-height: 1.5;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--lighter-text);
}

/* Hero section */
.hero {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: white;
  padding: 50px 0;
  text-align: center;
  border-radius: 0 0 20px 20px;
  margin-bottom: 30px;
}

.hero h1 {
  font-size: 32px;
  margin-bottom: 15px;
}

.hero p {
  font-size: 16px;
  max-width: 600px;
  margin: 0 auto 25px;
  opacity: 0.9;
}

/* Grid layouts */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

/* Upload section */
.upload-container {
  background-color: var(--card-color);
  border-radius: 8px;
  padding: 25px;
  text-align: center;
  margin-bottom: 30px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.upload-area {
  border: 2px dashed var(--border-color);
  border-radius: 4px;
  padding: 30px;
  margin: 20px 0;
  cursor: pointer;
  transition: all 0.3s;
}

.upload-area:hover {
  border-color: var(--primary-color);
  background-color: rgba(76, 175, 80, 0.05);
}

.upload-area.drag-active {
  border-color: var(--primary-color);
  background-color: rgba(76, 175, 80, 0.1);
  transform: scale(1.02);
  box-shadow: 0 0 10px rgba(76, 175, 80, 0.2);
}

.upload-area i {
  font-size: 40px;
  color: var(--light-text);
  margin-bottom: 15px;
}

.upload-text {
  color: var(--light-text);
}

/* Recipe detail */
.recipe-detail {
  background-color: var(--card-color);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 30px;
}

.recipe-header {
  position: relative;
  height: 250px;
}

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

.recipe-title-container {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
  color: white;
}

.recipe-body {
  padding: 20px;
}

.recipe-stats {
  display: flex;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
}

.stat {
  text-align: center;
}

.stat-value {
  font-size: 20px;
  font-weight: bold;
  color: var(--primary-color);
}

.stat-label {
  font-size: 12px;
  color: var(--light-text);
}

.recipe-section {
  margin-bottom: 20px;
}

.recipe-section h3 {
  margin-bottom: 10px;
  font-size: 18px;
}

.ingredient-list,
.step-list {
  list-style-position: inside;
  padding-left: 10px;
}

.ingredient-list li,
.step-list li {
  margin-bottom: 8px;
  line-height: 1.5;
}

/* Analysis result */
.analysis-result {
  background-color: var(--card-color);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 30px;
}

.result-header {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.result-image {
  width: 80px;
  height: 80px;
  border-radius: 8px;
  object-fit: cover;
  margin-right: 15px;
}

.result-title {
  flex: 1;
}

.result-title h3 {
  margin-bottom: 5px;
}

.result-tag {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: bold;
  margin-right: 5px;
}

.tag-success {
  background-color: rgba(76, 175, 80, 0.1);
  color: var(--success-color);
}

.tag-warning {
  background-color: rgba(255, 193, 7, 0.1);
  color: var(--warning-color);
}

.tag-danger {
  background-color: rgba(244, 67, 54, 0.1);
  color: var(--danger-color);
}

.result-body {
  padding-top: 15px;
  border-top: 1px solid var(--border-color);
}

/* Pricing section */
.pricing-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin: 30px 0;
}

.pricing-card {
  background-color: var(--card-color);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s, box-shadow 0.3s;
  display: flex;
  flex-direction: column;
  min-height: 480px;
}

.pricing-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.pricing-header {
  background-color: var(--primary-color);
  color: white;
  padding: 20px;
  text-align: center;
}

.pricing-name {
  font-size: 18px;
  margin-bottom: 10px;
}

.pricing-price {
  font-size: 32px;
  font-weight: bold;
}

.pricing-period {
  font-size: 14px;
  opacity: 0.8;
}

.pricing-features {
  padding: 20px;
  list-style: none;
}

.pricing-features li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features i {
  color: var(--success-color);
  margin-right: 8px;
}

.pricing-footer {
  padding: 0 20px 20px;
  text-align: center;
  margin-top: auto;
}

/* Login/Signup forms */
.auth-container {
  max-width: 400px;
  margin: 30px auto;
  background-color: var(--card-color);
  border-radius: 8px;
  padding: 30px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.auth-header {
  text-align: center;
  margin-bottom: 25px;
}

.auth-form-group {
  margin-bottom: 20px;
}

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

.auth-input {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 16px;
}

.auth-input:focus {
  border-color: var(--primary-color);
  outline: none;
}

.auth-footer {
  margin-top: 20px;
  text-align: center;
  font-size: 14px;
  color: var(--light-text);
}

.auth-footer a {
  color: var(--primary-color);
  text-decoration: none;
}

/* History section */
.history-item {
  display: flex;
  margin-bottom: 15px;
  background-color: var(--card-color);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.history-image {
  width: 100px;
  height: 100px;
  object-fit: cover;
}

.history-content {
  padding: 15px;
  flex: 1;
}

.history-date {
  font-size: 12px;
  color: var(--lighter-text);
  margin-bottom: 5px;
}

.history-title {
  font-size: 16px;
  margin-bottom: 5px;
}

.history-meta {
  display: flex;
  font-size: 12px;
  color: var(--light-text);
}

.history-meta div {
  margin-right: 15px;
}

/* Recommendations section */
.recommendations {
  margin: 30px 0;
}

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

.section-title {
  font-size: 20px;
  font-weight: bold;
}

.see-all {
  color: var(--primary-color);
  text-decoration: none;
  font-size: 14px;
}

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

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: #ddd;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: var(--text-color);
}

.credits-tag {
  background-color: rgba(255, 255, 255, 0.2);
  padding: 3px 8px;
  border-radius: 12px;
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.subscription-tag {
  background-color: rgba(255, 255, 255, 0.2);
  padding: 3px 8px;
  border-radius: 12px;
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
}

.subscription-tag i {
  font-size: 12px;
}

/* Mobile menu */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  cursor: pointer;
}

.menu-toggle span {
  height: 3px;
  width: 100%;
  background-color: white;
  border-radius: 3px;
}

/* Footer */
footer {
  background-color: #333;
  color: rgba(255, 255, 255, 0.7);
  padding: 30px 0;
  margin-top: auto;
}

.footer-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 30px;
}

.footer-section {
  flex: 1 1 200px;
}

.footer-title {
  color: white;
  margin-bottom: 15px;
  font-size: 16px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.3s;
}

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

.copyright {
  text-align: center;
  padding-top: 20px;
  margin-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 14px;
}

/* Responsive styles */
@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background-color: var(--primary-color);
    flex-direction: column;
    padding: 20px;
    gap: 15px;
    display: none;
  }

  .nav-links.show {
    display: flex;
  }

  .hero h1 {
    font-size: 24px;
  }

  .hero p {
    font-size: 14px;
  }

  .pricing-container {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .history-image {
    width: 80px;
    height: 80px;
  }

  /* Mobile subscription tag adjustments */
  .user-info {
    flex-wrap: wrap;
    gap: 5px;
  }

  .subscription-tag {
    font-size: 11px;
    padding: 2px 6px;
    margin-left: 0;
    order: 3;
    width: 100%;
    justify-content: center;
  }

  .credits-tag {
    font-size: 11px;
    padding: 2px 6px;
  }
}

/* Animation keyframes */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.fade-in {
  animation: fadeIn 0.5s ease-in-out;
}

/* Notification component styles */
.notification {
  position: fixed;
  top: 30px;
  left: 50%;
  transform: translateX(-50%);
  min-width: 280px;
  max-width: 90vw;
  background: var(--card-color);
  color: var(--text-color);
  border-radius: 8px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
  padding: 18px 32px 18px 24px;
  z-index: 99999;
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 15px;
  border-left: 5px solid var(--primary-color);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, top 0.3s;
}
.notification.show {
  opacity: 1;
  pointer-events: auto;
  top: 50px;
}
.notification-success {
  border-left-color: var(--success-color);
}
.notification-error {
  border-left-color: var(--danger-color);
}
.notification-warning {
  border-left-color: var(--warning-color);
}
.notification-close {
  background: none;
  border: none;
  color: var(--light-text);
  font-size: 20px;
  cursor: pointer;
  margin-left: auto;
  padding: 0 4px;
  line-height: 1;
  transition: color 0.2s;
}
.notification-close:hover {
  color: var(--danger-color);
}

/* History page styles */
.active-tab {
  background-color: var(--primary-color);
  color: white;
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.history-item {
  display: flex;
  background: white;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  position: relative;
}

.history-item:hover {
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.history-image {
  width: 120px;
  height: 120px;
  object-fit: cover;
}

.history-content {
  flex: 1;
  padding: 15px;
  display: flex;
  flex-direction: column;
}

.history-date {
  font-size: 12px;
  color: var(--text-light);
  margin-bottom: 5px;
}

.history-title {
  margin: 0 0 10px 0;
  font-size: 18px;
  color: var(--text-color);
}

.history-meta {
  display: flex;
  gap: 15px;
  font-size: 14px;
  color: var(--text-light);
}

.history-actions {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 15px;
  gap: 10px;
}

.btn-icon {
  background: none;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-icon:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

.view-detail {
  color: var(--primary-color);
}

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

/* Pagination styles */
.pagination {
  display: flex;
  align-items: center;
}

.pagination button {
  padding: 5px 10px;
  min-width: 40px;
}

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

@media (max-width: 768px) {
  .history-image {
    width: 80px;
    height: 80px;
  }

  .history-title {
    font-size: 16px;
  }

  .history-meta {
    flex-direction: column;
    gap: 5px;
  }

  .history-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .pagination-controls {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .pagination {
    width: 100%;
    justify-content: center;
  }
}

/* Health tips area styles */
.health-tips-container {
  background-color: #f9f9f9;
  border-radius: 8px;
  padding: 15px;
  margin: 10px 0;
  line-height: 1.6;
}

.health-tips-container ul {
  list-style-type: none;
  padding-left: 10px;
  margin: 5px 0;
}

.health-tips-container li {
  margin-bottom: 8px;
  position: relative;
  padding-left: 20px;
}

.health-tips-container li:before {
  content: '•';
  color: var(--primary-color);
  font-size: 18px;
  position: absolute;
  left: 0;
  top: -2px;
}

.health-tips-container strong {
  color: var(--text-color);
  font-weight: 600;
}

/* Recipe card style optimization */
.recipe-card {
  transition: all 0.3s ease;
  border: 1px solid transparent;
}

.recipe-card:hover {
  border-color: var(--primary-color);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.recipe-card .card-title {
  font-weight: 600;
  color: var(--primary-color);
}

.recipe-card .card-meta {
  margin-top: 10px;
  color: var(--light-text);
}

/* Badge styles for order status */
.badge {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: bold;
  text-align: center;
  color: white;
}

.badge.bg-success {
  background-color: var(--success-color);
}

.badge.bg-warning {
  background-color: var(--warning-color);
  color: #333;
}

.badge.bg-danger {
  background-color: var(--danger-color);
}

.badge.bg-secondary {
  background-color: #6c757d;
}

/* Purchase History Enhanced Styles */
.history-item:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12) !important;
}

.page-number-btn:hover:not(:disabled) {
  background: #3182ce !important;
  color: #fff !important;
  border-color: #3182ce !important;
  transform: translateY(-1px);
}

.page-number-btn:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

#orderPrevPageBtn:disabled,
#orderNextPageBtn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

#orderPrevPageBtn:hover:not(:disabled),
#orderNextPageBtn:hover:not(:disabled) {
  background: #f7fafc !important;
  border-color: #cbd5e0 !important;
  transform: translateY(-1px);
}

/* Enhanced badge styles */
.badge.bg-warning {
  background: linear-gradient(135deg, #ffd700 0%, #ffb347 100%) !important;
  color: #744210 !important;
  box-shadow: 0 2px 4px rgba(255, 193, 7, 0.3);
}

.badge.bg-success {
  background: linear-gradient(135deg, #48bb78 0%, #38a169 100%) !important;
  color: white !important;
  box-shadow: 0 2px 4px rgba(72, 187, 120, 0.3);
}

.badge.bg-danger {
  background: linear-gradient(135deg, #f56565 0%, #e53e3e 100%) !important;
  color: white !important;
  box-shadow: 0 2px 4px rgba(245, 101, 101, 0.3);
}

/* Pagination container styles */
.pagination-container {
  background: #f8fafc;
  border-radius: 12px;
  padding: 20px;
  border: 1px solid #e2e8f0;
}

.pagination-info {
  font-weight: 500;
}

.pagination-controls {
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .pagination-controls {
    flex-direction: column;
    gap: 15px !important;
  }

  .page-numbers {
    order: -1;
    justify-content: center;
  }
}

/* Purchase History Card Styling - food theme */
.purchase-history-item {
  border: 1px solid rgba(76, 175, 80, 0.1) !important;
  background: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%) !important;
}

.purchase-history-item:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1) !important;
  border-color: rgba(76, 175, 80, 0.3) !important;
}

.purchase-history-title {
  color: var(--primary-color) !important;
}

.purchase-history-amount {
  color: var(--primary-color) !important;
}

/* Update page number button colors to match food theme */
.page-number-btn:hover:not(:disabled) {
  background: var(--primary-color) !important;
  color: #fff !important;
  border-color: var(--primary-color) !important;
  transform: translateY(-1px);
}

/* Enhanced badge styles with food theme colors */
.badge.bg-success {
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    #388e3c 100%
  ) !important;
  color: white !important;
  box-shadow: 0 2px 4px rgba(76, 175, 80, 0.3);
}

/* Loading Overlay - Food Theme */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.7) 0%,
    rgba(76, 175, 80, 0.1) 100%
  );
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  backdrop-filter: blur(5px);
}

.loading-overlay.show {
  opacity: 1;
  visibility: visible;
}

.loading-container {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 16px;
  padding: 40px 30px;
  text-align: center;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  border: 2px solid rgba(76, 175, 80, 0.2);
  max-width: 400px;
  width: 90%;
}

.loading-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid rgba(76, 175, 80, 0.2);
  border-top: 4px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 20px auto;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.loading-text {
  color: var(--primary-color);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}

.loading-description {
  color: var(--light-text);
  font-size: 14px;
  line-height: 1.5;
  margin-bottom: 15px;
}

.loading-progress {
  width: 100%;
  height: 4px;
  background-color: rgba(76, 175, 80, 0.2);
  border-radius: 2px;
  overflow: hidden;
}

.loading-progress-bar {
  height: 100%;
  background: linear-gradient(
    90deg,
    var(--primary-color) 0%,
    #66bb6a 50%,
    var(--primary-color) 100%
  );
  border-radius: 2px;
  animation: progress 2s ease-in-out infinite;
}

@keyframes progress {
  0% {
    transform: translateX(-100%);
  }
  50% {
    transform: translateX(0%);
  }
  100% {
    transform: translateX(100%);
  }
}

/* Loading animation for analyze button */
.btn-loading {
  position: relative;
  pointer-events: none;
  opacity: 0.8;
}

.btn-loading .btn-text {
  opacity: 0;
}

.btn-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 16px;
  margin: -8px 0 0 -8px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}