/* 51Talk Promotional Landing Page - Component Styles */
/* Interactive Components: Version Cards, Buttons, Modals, Toasts */

/* Version Cards Grid */
.versions-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  max-width: 600px;
  margin: 0 auto;
}

/* Version Card */
.version-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(240, 248, 255, 0.95) 100%);
  border: 3px solid var(--accent-yellow);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(255, 215, 0, 0.2);
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.version-card::before {
  content: '📚';
  position: absolute;
  top: -15px;
  right: -15px;
  font-size: 60px;
  opacity: 0;
  transform: rotate(15deg);
  transition: all var(--transition-normal);
}

.version-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, rgba(255, 215, 0, 0.1) 0%, rgba(255, 107, 53, 0.1) 100%);
  transition: width var(--transition-normal);
}

.version-card:hover {
  border-color: #FF6B35;
  box-shadow: 0 12px 35px rgba(255, 107, 53, 0.3);
  transform: translateY(-4px) scale(1.02);
  background: linear-gradient(135deg, rgba(255, 249, 230, 1) 0%, rgba(240, 248, 255, 1) 100%);
}

.version-card:hover::before {
  opacity: 0.1;
  transform: rotate(10deg) scale(0.8);
}

.version-card:hover::after {
  width: 100%;
}

.version-card.selected {
  border-color: #FF6B35;
  background: linear-gradient(135deg, #FF6B35 0%, #FFA500 100%);
  color: var(--white);
  box-shadow: 0 15px 40px rgba(255, 107, 53, 0.4);
  transform: translateY(-2px) scale(1.03);
  animation: celebrate 0.6s ease-out;
}

.version-card.selected::before {
  opacity: 0.3;
  transform: rotate(-10deg) scale(0.7);
}

.version-card.selected::after {
  width: 100%;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.1) 100%);
}

@keyframes celebrate {
  0% { transform: scale(1) rotate(0deg); }
  25% { transform: scale(1.05) rotate(2deg); }
  50% { transform: scale(1.02) rotate(-1deg); }
  75% { transform: scale(1.03) rotate(1deg); }
  100% { transform: scale(1.03) rotate(0deg); }
}

.version-card.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
  border-color: var(--gray-300);
  background: var(--gray-100);
  transform: none !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
}

.version-card.disabled:hover {
  transform: none !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
}

.version-name {
  font-weight: 600;
  font-size: var(--font-size-lg);
  line-height: 1.3;
  flex: 1;
}

.version-card .selection-indicator {
  width: 32px;
  height: 32px;
  border: 3px solid var(--accent-yellow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--white) 0%, rgba(240, 248, 255, 0.9) 100%);
  transition: all var(--transition-fast);
  flex-shrink: 0;
  margin-left: var(--spacing-lg);
  box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
  position: relative;
}

.version-card.selected .selection-indicator {
  border-color: var(--white);
  background: linear-gradient(135deg, var(--accent-yellow) 0%, #FF6B35 100%);
  box-shadow: 0 6px 20px rgba(255, 215, 0, 0.5);
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); box-shadow: 0 6px 20px rgba(255, 215, 0, 0.5); }
  50% { transform: scale(1.1); box-shadow: 0 8px 25px rgba(255, 215, 0, 0.7); }
}

.version-card .selection-indicator::after {
  content: '🎯';
  color: var(--gray-600);
  font-weight: bold;
  opacity: 0;
  transform: scale(0) rotate(-180deg);
  transition: all var(--transition-fast);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0) rotate(-180deg);
}

.version-card.selected .selection-indicator::after {
  content: '✅';
  opacity: 1;
  transform: translate(-50%, -50%) scale(1) rotate(0deg);
  color: var(--white);
  font-size: 18px;
}

/* Claim Button Container */
.claim-button-container {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(240, 248, 255, 0.98) 100%);
  border-top: 3px solid var(--accent-yellow);
  padding: var(--spacing-lg);
  box-shadow: 0 -8px 25px rgba(0, 0, 0, 0.15);
  z-index: var(--z-dropdown);
  backdrop-filter: blur(10px);
}

/* Claim Button */
.claim-button {
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  display: block;
  padding: var(--spacing-xl) var(--spacing-2xl);
  font-size: var(--font-size-xl);
  font-weight: 800;
  border-radius: var(--radius-2xl);
  min-height: 70px;
  position: relative;
  overflow: hidden;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.claim-button::before {
  content: '🎁';
  position: absolute;
  top: 50%;
  left: 30px;
  transform: translateY(-50%);
  font-size: var(--font-size-2xl);
  opacity: 0;
  transition: all var(--transition-normal);
}

.claim-button:not(:disabled):hover::before {
  opacity: 1;
  transform: translateY(-50%) scale(1.2) rotate(10deg);
}

.claim-button:disabled {
  background: linear-gradient(135deg, var(--gray-300) 0%, var(--gray-400) 100%);
  color: var(--gray-600);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
  border: 3px solid var(--gray-200);
}

.claim-button:not(:disabled) {
  background: linear-gradient(135deg, #FFD700 0%, #FFA500 50%, #FF8C00 100%);
  color: var(--gray-800);
  box-shadow: 0 12px 35px rgba(255, 215, 0, 0.4);
  border: 4px solid rgba(255, 255, 255, 0.8);
  animation: buttonShine 3s ease-in-out infinite;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

@keyframes buttonShine {
  0%, 100% {
    box-shadow: 0 12px 35px rgba(255, 215, 0, 0.4);
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 50%, #FF8C00 100%);
  }
  50% {
    box-shadow: 0 15px 45px rgba(255, 215, 0, 0.6);
    background: linear-gradient(135deg, #FFA500 0%, #FFD700 50%, #FFB347 100%);
  }
}

.claim-button:not(:disabled):hover {
  background: linear-gradient(135deg, #FFA500 0%, #FFD700 50%, #FF8C00 100%);
  box-shadow: 0 18px 50px rgba(255, 215, 0, 0.6);
  transform: translateY(-4px) scale(1.02);
  border-color: var(--white);
  animation: buttonGlow 1s ease-in-out infinite;
}

@keyframes buttonGlow {
  0%, 100% { box-shadow: 0 18px 50px rgba(255, 215, 0, 0.6); }
  50% { box-shadow: 0 20px 60px rgba(255, 215, 0, 0.8); }
}

.claim-button:not(:disabled):active {
  transform: translateY(-2px) scale(1.01);
  box-shadow: 0 10px 30px rgba(255, 215, 0, 0.5);
}

.claim-button.loading {
  background: linear-gradient(135deg, #4FC3F7 0%, #29B6F6 100%);
  color: var(--white);
  animation: loadingPulse 1.5s ease-in-out infinite;
}

@keyframes loadingPulse {
  0%, 100% { opacity: 0.8; }
  50% { opacity: 1; }
}

.claim-button .button-text {
  position: relative;
  z-index: 2;
  padding-left: 30px;
}

/* Button Spinner */
.button-spinner {
  display: none;
  width: 20px;
  height: 20px;
  border: 2px solid var(--white);
  border-radius: 50%;
  border-top-color: transparent;
  animation: spin 0.8s linear infinite;
}

.claim-button.loading .button-text {
  opacity: 0.8;
}

.claim-button.loading .button-spinner {
  display: inline-block;
}

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

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal[hidden] {
  display: none;
}

.modal.show {
  opacity: 1;
  visibility: visible;
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal-backdrop);
}

.modal-content {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  z-index: var(--z-modal);
  transform: scale(0.9);
  transition: transform var(--transition-normal);
}

.modal.show .modal-content {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-xl);
  border-bottom: 1px solid var(--gray-200);
  background: linear-gradient(135deg, #FF6B35 0%, #FFA500 50%, #FF5722 100%);
  color: var(--white);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  position: relative;
  overflow: hidden;
}

.modal-header::before {
  content: '🎉🎊🏆';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 80px;
  opacity: 0.1;
  letter-spacing: 20px;
  animation: celebration 3s ease-in-out infinite;
}

@keyframes celebration {
  0%, 100% { transform: translate(-50%, -50%) rotate(0deg); }
  25% { transform: translate(-50%, -60%) rotate(5deg); }
  75% { transform: translate(-50%, -40%) rotate(-5deg); }
}

.modal-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin: 0;
  flex: 1;
}

.modal-close {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: var(--white);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  font-weight: 300;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}

.modal-body {
  padding: var(--spacing-xl);
}

.modal-footer {
  padding: var(--spacing-lg) var(--spacing-xl);
  border-top: 1px solid var(--gray-200);
  background: var(--gray-50);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

/* Modal Content */
.claim-info {
  margin-bottom: var(--spacing-xl);
}

.claim-version {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: var(--gray-100);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--primary-blue);
}

.claim-version span {
  color: var(--primary-blue);
}

.link-section,
.code-section {
  margin-bottom: var(--spacing-xl);
}

.link-label,
.code-label {
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: var(--spacing-sm);
}

.link-container,
.code-container {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.link-input {
  flex: 1;
  padding: var(--spacing-lg);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: var(--font-size-sm);
  background: var(--gray-50);
  color: var(--gray-700);
  min-width: 0;
}

.extraction-code {
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary-blue);
  padding: var(--spacing-lg);
  background: var(--primary-blue);
  color: var(--white);
  border-radius: var(--radius-lg);
  letter-spacing: 2px;
  min-width: 80px;
  text-align: center;
}

.copy-button {
  padding: var(--spacing-lg) var(--spacing-xl);
  background: var(--primary-blue);
  color: var(--white);
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: var(--font-size-sm);
  white-space: nowrap;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.copy-button:hover {
  background: var(--secondary-blue);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.copy-button.copied {
  background: var(--success);
}

.auto-copy-notice {
  padding: var(--spacing-lg);
  background: var(--success);
  color: var(--white);
  border-radius: var(--radius-lg);
  text-align: center;
  font-weight: 500;
}

.auto-copy-notice p {
  margin: 0;
}

.modal-action-button {
  width: 100%;
  padding: var(--spacing-xl);
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
  color: var(--white);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-lg);
  font-weight: 700;
  transition: all var(--transition-normal);
}

.modal-action-button:hover {
  background: linear-gradient(135deg, var(--secondary-blue) 0%, var(--primary-blue) 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Toast */
.toast {
  position: fixed;
  top: var(--spacing-xl);
  right: var(--spacing-xl);
  max-width: 400px;
  z-index: var(--z-toast);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  transform: translateX(100%);
  transition: transform var(--transition-normal);
}

.toast[hidden] {
  display: none;
}

.toast.show {
  transform: translateX(0);
}

.toast-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg) var(--spacing-xl);
}

.error-toast {
  background: var(--error);
  color: var(--white);
}

.error-toast .toast-icon {
  font-size: var(--font-size-xl);
  flex-shrink: 0;
}

.error-toast .toast-message {
  flex: 1;
  font-weight: 500;
  line-height: 1.4;
}

.toast-close {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: var(--white);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.toast-close:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Restriction Notice */
.restriction-notice {
  max-width: 600px;
  margin: var(--spacing-xl) auto;
  padding: var(--spacing-xl);
  background: linear-gradient(135deg, var(--warning) 0%, var(--accent-yellow) 100%);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--accent-yellow);
  box-shadow: var(--shadow-md);
}

.notice-content {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg);
}

.notice-icon {
  font-size: var(--font-size-2xl);
  flex-shrink: 0;
}

.notice-message h4 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--spacing-sm);
}

.notice-message p {
  color: var(--gray-700);
  font-weight: 500;
  line-height: 1.5;
  margin-bottom: 0;
}

/* Responsive Design for Components */

/* Small tablets (576px and up) */
@media (min-width: 576px) {
  .versions-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }

  .modal-content {
    margin: var(--spacing-xl);
  }

  .toast {
    max-width: 500px;
  }
}

/* Tablets (768px and up) */
@media (min-width: 768px) {
  .claim-button-container {
    padding: var(--spacing-xl);
  }

  .versions-grid {
    max-width: 800px;
    gap: var(--spacing-xl);
  }

  .version-card {
    padding: var(--spacing-xl);
    min-height: 90px;
  }

  .link-container {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-sm);
  }

  .link-input {
    text-align: center;
  }
}

/* Desktop (992px and up) */
@media (min-width: 992px) {
  .versions-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
  }

  .modal-body {
    padding: var(--spacing-2xl);
  }

  .code-container {
    justify-content: center;
  }
}

/* Large Desktop (1200px and up) */
@media (min-width: 1200px) {
  .versions-grid {
    max-width: 1000px;
  }

  .claim-button-container {
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 2rem);
    max-width: 1200px;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  }
}

/* Mobile Landscape Adjustments */
@media (max-width: 767px) and (orientation: landscape) {
  .claim-button-container {
    position: static;
    padding: var(--spacing-lg);
    box-shadow: none;
    border-top: none;
    border-bottom: 1px solid var(--gray-200);
  }

  .selection-section {
    padding-bottom: 0;
  }
}

/* Focus styles for better accessibility */
@media (hover: none) {
  .version-card:hover {
    transform: none;
  }

  .claim-button:hover {
    transform: none;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .version-card {
    border-width: 3px;
  }

  .claim-button {
    border: 3px solid currentColor;
  }
}