/* StudyBuddy Onboarding Styles */
/* Matches the existing design system and integrates with sb-themes.css */

:root {
  --primary-color: #20b2aa; /* LightSeaGreen - matches StudyBuddy theme */
  --primary-color-dark: #2d74c6;
  --primary-color-light: #e6f3f3; /* Lightest tint for selections */
  --secondary-color: #2d74c6; /* MediumSeaGreen */
  --text-dark: #333333;
  --text-medium: #555555;
  --text-light: #666666;
  --text-extra-light: #777;
  --background-light: #f8f8f8;
  --border-color: #e0e6ee;
  --accent-yellow: #ffd166;
  --accent-blue: #a0d2eb;
  --accent-red: #ff6b6b;
  --accent-green: #8bd39e;

  --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  --border-radius-card: 20px;
  --border-radius-button: 12px;
  --border-radius-input: 8px;
  --border-radius-avatar: 50%;

  --spacing-xs: 8px;
  --spacing-sm: 10px;
  --spacing-md: 15px;
  --spacing-lg: 20px;
  --spacing-xl: 25px;
  --spacing-xxl: 30px;
}

/* Overlay-specific styles */
#onboarding-background-blur {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  background: rgba(0, 0, 0, 0.6) !important;
  backdrop-filter: blur(4px) !important;
  -webkit-backdrop-filter: blur(4px) !important;
  z-index: 9998 !important;
  opacity: 0;
  transition: opacity 0.3s ease;
}

#onboarding-overlay {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  z-index: 9999 !important;
  display: flex !important;
  justify-content: center !important;
  align-items: center !important;
  opacity: 0;
  transition: opacity 0.3s ease;
}

/* Base styles */
body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto",
    sans-serif;
  line-height: 1.5;
}

/* Page container styles - specific for overlay */
#onboarding-overlay .page-container {
  display: none;
  min-height: 100vh;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-lg);
  box-sizing: border-box;
  background-size: cover;
  background-position: center;
  transition: opacity 0.5s ease-in-out;
  opacity: 0;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

#onboarding-overlay .page-container.active {
  display: flex;
  opacity: 1;
  z-index: 10;
}

/* Card styles */
#onboarding-overlay .card {
  background-color: #ffffff;
  border-radius: var(--border-radius-card);
  box-shadow: var(--card-shadow);
  padding: var(--spacing-xxl);
  text-align: center;
  max-width: 400px;
  width: 100%;
  overflow-y: auto;
  max-height: calc(100vh - 40px);
  box-sizing: border-box;
  position: relative;
}

/* Typography */
#onboarding-overlay h1,
#onboarding-overlay h2,
#onboarding-overlay h3 {
  color: var(--text-dark);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  line-height: 1.2;
}

#onboarding-overlay h1 {
  font-size: 1.8rem;
  margin-bottom: var(--spacing-md);
}

#onboarding-overlay h2 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-lg);
}

#onboarding-overlay p {
  color: var(--text-medium);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
  font-size: 1rem;
}

#onboarding-overlay .question-emoji {
  font-size: 3rem;
  margin-bottom: var(--spacing-lg);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

#onboarding-overlay .privacy-text {
  font-size: 0.8rem;
  color: var(--text-extra-light);
  margin-top: var(--spacing-lg);
  line-height: 1.4;
}

/* Form elements */
#onboarding-overlay input[type="text"],
#onboarding-overlay select {
  width: calc(100% - var(--spacing-md) - var(--spacing-md));
  padding: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-input);
  font-size: 1rem;
  color: var(--text-dark);
  outline: none;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  box-sizing: border-box;
  background-color: #fff;
  font-family: inherit;
}

#onboarding-overlay select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23333%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13.6-6.4H18.8c-5%200-9.3%201.8-13.6%206.4-4.2%204.6-6.4%2010.2-6.4%2016.3%200%206.1%202.2%2011.7%206.4%2016.3l127.3%20127.3c4.2%204.6%209.7%206.9%2015.8%206.9s11.6-2.3%2015.8-6.9L287%20102c4.2-4.6%206.4-10.2%206.4-16.3S291.2%2074%20287%2069.4z%22%2F%3E%3C%2Fsvg%3E");
  background-repeat: no-repeat;
  background-position: right var(--spacing-sm) top 50%;
  background-size: 12px auto;
  cursor: pointer;
}

#onboarding-overlay input[type="text"]:focus,
#onboarding-overlay select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(32, 178, 170, 0.1);
}

#onboarding-overlay label {
  display: block;
  text-align: left;
  font-size: 0.95rem;
  color: var(--text-dark);
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
}

/* Button styles */
#onboarding-overlay .button-group {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xxl);
}

#onboarding-overlay button {
  font-weight: 600;
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--border-radius-button);
  cursor: pointer;
  transition: all 0.3s ease;
  flex-grow: 1;
  font-size: 1rem;
  font-family: inherit;
  min-height: 44px; /* Ensure touch-friendly height */
}

#onboarding-overlay button:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

#onboarding-overlay button:active {
  transform: translateY(0);
}

#onboarding-overlay .primary-button {
  background: linear-gradient(
    45deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(32, 178, 170, 0.3);
}

#onboarding-overlay .primary-button:hover {
  box-shadow: 0 6px 20px rgba(32, 178, 170, 0.4);
}

#onboarding-overlay .secondary-button {
  background-color: #f8f9fa;
  color: var(--text-dark);
  border: 1px solid var(--border-color);
}

#onboarding-overlay .secondary-button:hover {
  background-color: #e9ecef;
  border-color: var(--primary-color);
}

/* Option buttons */
#onboarding-overlay .option-button-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

#onboarding-overlay .option-button {
  padding: var(--spacing-md);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-input);
  background-color: #ffffff;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
  font-weight: 500;
  color: var(--text-dark);
}

#onboarding-overlay .option-button:hover {
  border-color: var(--primary-color);
  background-color: var(--primary-color-light);
}

#onboarding-overlay .option-button.selected {
  border-color: var(--primary-color);
  background-color: var(--primary-color);
  color: #ffffff;
}

/* Step indicators */
#onboarding-overlay .step-indicators {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-lg);
}

#onboarding-overlay .step-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--border-color);
  transition: background-color 0.3s ease;
}

#onboarding-overlay .step-dot.active {
  background-color: var(--primary-color);
}

/* Error messages */
#onboarding-overlay .error-message {
  color: var(--accent-red);
  font-size: 0.9rem;
  margin-top: var(--spacing-xs);
  text-align: left;
  opacity: 0;
  transition: opacity 0.3s ease;
}

#onboarding-overlay .error-message.active {
  opacity: 1;
}

/* Avatar selection grid */
#onboarding-overlay .avatar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

#onboarding-overlay .avatar-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-md);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-input);
  cursor: pointer;
  transition: all 0.3s ease;
  background-color: #ffffff;
}

#onboarding-overlay .avatar-option:hover {
  border-color: var(--primary-color);
  transform: translateY(-2px);
}

#onboarding-overlay .avatar-option.selected {
  border-color: var(--primary-color);
  background-color: var(--primary-color-light);
  box-shadow: 0 4px 12px rgba(32, 178, 170, 0.2);
}

#onboarding-overlay .avatar-option img {
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius-avatar);
  margin-bottom: var(--spacing-sm);
  object-fit: cover;
}

#onboarding-overlay .avatar-option p {
  margin: 0;
  font-weight: 600;
  color: var(--text-dark);
  font-size: 0.9rem;
}

#onboarding-overlay .language-sample-btn {
  margin-top: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--primary-color);
  color: #ffffff;
  border: none;
  border-radius: var(--border-radius-input);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

#onboarding-overlay .language-sample-btn:hover {
  background-color: var(--primary-color-dark);
  transform: scale(1.05);
}

#onboarding-overlay .visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* Loading state */
#onboarding-overlay .loading {
  opacity: 0.7;
  cursor: not-allowed;
}

/* Accessibility */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Responsive design */
@media (max-width: 600px) {
  #onboarding-overlay .card {
    margin: var(--spacing-sm);
    padding: var(--spacing-lg);
    max-width: none;
  }

  #onboarding-overlay .button-group {
    flex-direction: column;
  }

  #onboarding-overlay button {
    width: 100%;
  }

  #onboarding-overlay .option-button-group {
    flex-direction: column;
  }

  #onboarding-overlay .option-button {
    width: 100%;
  }

  #onboarding-overlay .avatar-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  #onboarding-overlay h1 {
    font-size: 1.5rem;
  }

  #onboarding-overlay h2 {
    font-size: 1.3rem;
  }
}

@media (max-width: 400px) {
  #onboarding-overlay .avatar-grid {
    grid-template-columns: 1fr;
  }

  #onboarding-overlay .card {
    margin: var(--spacing-xs);
    padding: var(--spacing-md);
  }

  #onboarding-overlay .question-emoji {
    font-size: 2.5rem;
  }
}

/* Dark theme support */
[data-theme="dark"] #onboarding-overlay .card {
  background-color: #2a2a2a;
  color: #ffffff;
}

[data-theme="dark"] #onboarding-overlay input[type="text"],
[data-theme="dark"] #onboarding-overlay select {
  background-color: #3a3a3a;
  border-color: #444;
  color: #ffffff;
}

[data-theme="dark"] #onboarding-overlay .option-button {
  background-color: #3a3a3a;
  border-color: #444;
  color: #ffffff;
}

[data-theme="dark"] #onboarding-overlay .option-button:hover {
  background-color: #4a4a4a;
  border-color: var(--primary-color);
}

[data-theme="dark"] #onboarding-overlay .avatar-option {
  background-color: #3a3a3a;
  border-color: #444;
}

[data-theme="dark"] #onboarding-overlay .avatar-option:hover {
  background-color: #4a4a4a;
  border-color: var(--primary-color);
}

/* Learning preference and personality styles */
#onboarding-overlay .learning-preference-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

#onboarding-overlay .learning-option {
  padding: var(--spacing-md);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-input);
  cursor: pointer;
  transition: all 0.3s ease;
  background-color: #ffffff;
}

#onboarding-overlay .learning-option:hover {
  border-color: var(--primary-color);
  background-color: var(--primary-color-light);
}

#onboarding-overlay .learning-option.selected {
  border-color: var(--primary-color);
  background-color: var(--primary-color);
  color: #ffffff;
}

#onboarding-overlay .learning-option-content {
  text-align: left;
}

#onboarding-overlay .learning-option-content strong {
  display: block;
  font-size: 1.1rem;
  margin-bottom: var(--spacing-xs);
}

#onboarding-overlay .learning-option-content span {
  color: inherit;
  opacity: 0.8;
}

/* Confidence slider */
#onboarding-overlay .confidence-slider-container {
  margin-bottom: var(--spacing-lg);
}

#onboarding-overlay .confidence-slider {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--border-color);
  outline: none;
  -webkit-appearance: none;
  margin-bottom: var(--spacing-sm);
}

#onboarding-overlay .confidence-slider:hover {
  background: var(--primary-color-light);
}

#onboarding-overlay .confidence-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary-color);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

#onboarding-overlay .confidence-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary-color);
  cursor: pointer;
  border: none;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

#onboarding-overlay .slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-medium);
}

#onboarding-overlay #confidenceValue {
  font-weight: 600;
  color: var(--primary-color);
}

/* Personality group */
#onboarding-overlay .personality-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

#onboarding-overlay .personality-option {
  padding: var(--spacing-md);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-input);
  cursor: pointer;
  transition: all 0.3s ease;
  background-color: #ffffff;
}

#onboarding-overlay .personality-option:hover {
  border-color: var(--primary-color);
  background-color: var(--primary-color-light);
}

#onboarding-overlay .personality-option.selected {
  border-color: var(--primary-color);
  background-color: var(--primary-color);
  color: #ffffff;
}

#onboarding-overlay .personality-content {
  text-align: left;
}

#onboarding-overlay .personality-content strong {
  display: block;
  font-size: 1.1rem;
  margin-bottom: var(--spacing-xs);
}

#onboarding-overlay .personality-content span {
  color: inherit;
  opacity: 0.8;
}

/* Dark theme for learning and personality options */
[data-theme="dark"] #onboarding-overlay .learning-option,
[data-theme="dark"] #onboarding-overlay .personality-option {
  background-color: #3a3a3a;
  border-color: #444;
  color: #ffffff;
}

[data-theme="dark"] #onboarding-overlay .learning-option:hover,
[data-theme="dark"] #onboarding-overlay .personality-option:hover {
  background-color: #4a4a4a;
  border-color: var(--primary-color);
}

[data-theme="dark"] #onboarding-overlay .learning-option-content strong,
[data-theme="dark"] #onboarding-overlay .personality-content strong {
  color: #ffffff;
}

[data-theme="dark"] #onboarding-overlay .learning-option-content span,
[data-theme="dark"] #onboarding-overlay .personality-content span {
  color: #cccccc;
}

[data-theme="dark"] #onboarding-overlay .confidence-slider {
  background: #444;
}

@media (max-width: 600px) {
  #onboarding-overlay .personality-group {
    gap: var(--spacing-sm);
  }

  #onboarding-overlay .learning-preference-group {
    gap: var(--spacing-sm);
  }

  #onboarding-overlay .slider-labels {
    flex-direction: column;
    gap: var(--spacing-xs);
    text-align: center;
  }

  #onboarding-overlay .slider-labels span:first-child,
  #onboarding-overlay .slider-labels span:last-child {
    font-size: 0.75rem;
  }
}

/* Handwriting Page Styles */
.handwriting-container {
  margin: var(--spacing-lg) 0;
}

.handwriting-instructions {
  text-align: left;
  margin-bottom: var(--spacing-lg);
}

.handwriting-instructions p {
  margin-bottom: var(--spacing-sm);
  color: var(--text-medium);
}

.handwriting-instructions strong {
  color: var(--text-dark);
  font-size: 1.1rem;
}

.canvas-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.handwriting-placeholder {
  width: 300px;
  height: 200px;
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius-input);
  background-color: #f8f9fa;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.handwriting-placeholder:hover {
  border-color: var(--primary-color);
  background-color: var(--primary-color-light);
}

.placeholder-content {
  text-align: center;
  color: var(--text-medium);
}

.placeholder-content i {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
  color: var(--primary-color);
}

.placeholder-content p {
  margin: 0 0 var(--spacing-xs) 0;
  font-weight: 600;
  color: var(--text-dark);
}

.placeholder-content small {
  color: var(--text-extra-light);
  font-size: 0.85rem;
}

.canvas-controls {
  display: flex;
  gap: var(--spacing-md);
  width: 100%;
  justify-content: center;
}

.canvas-controls button {
  min-width: 100px;
  font-size: 0.9rem;
}

.progress-indicator {
  margin-top: var(--spacing-lg);
  text-align: center;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background-color: var(--border-color);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: var(--spacing-sm);
}

.progress-fill {
  height: 100%;
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  border-radius: 4px;
  transition: width 0.3s ease;
  width: 0%;
}

#progressText {
  font-size: 0.9rem;
  color: var(--text-medium);
  font-weight: 500;
}

/* Dark theme support for handwriting */
[data-theme="dark"] .handwriting-placeholder {
  background-color: #2a2a2a;
  border-color: #444;
}

[data-theme="dark"] .handwriting-placeholder:hover {
  border-color: var(--primary-color);
  background-color: #3a3a3a;
}

[data-theme="dark"] .progress-bar {
  background-color: #444;
}

/* Mobile responsiveness for handwriting */
@media (max-width: 600px) {
  .handwriting-placeholder {
    width: 280px;
    height: 180px;
  }
  
  .canvas-controls {
    flex-direction: column;
    align-items: center;
  }
  
  .canvas-controls button {
    width: 100%;
    max-width: 200px;
  }
  
  .handwriting-instructions {
    text-align: center;
  }
}