/* Base Styles */
:root {
  /* Colors */
  --primary-color: #672a7c;
  --primary-dark: #7b3492;
  --critical-color: #c4a545;
  --error-color: #ff4444;
  --success-color: #00c851;
  --warning-color: #ffbb33;
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.7);
  
  /* Backgrounds */
  --bg-overlay-light: rgba(255, 255, 255, 0.05);
  --bg-overlay-medium: rgba(255, 255, 255, 0.1);
  --bg-dark: rgba(0, 0, 0, 0.2);
  --bg-darker: rgba(0, 0, 0, 0.3);
  --memory-bg: rgba(196, 165, 69, 0.08);
  --write-bg: rgba(196, 165, 69, 0.04);
  
  /* Gradients */
  --primary-gradient: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  --primary-gradient-hover: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
  --critical-gradient: linear-gradient(135deg, rgba(196, 165, 69, 0.08), rgba(196, 165, 69, 0.04));
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-primary: 0 4px 12px rgba(103, 42, 124, 0.3);
  --shadow-critical: 0 4px 12px rgba(196, 165, 69, 0.3);
  
  /* Layout */
  --border-radius: 8px;
  --border-radius-sm: 3px;
  --spacing-xs: 0.3rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  
  /* Animation */
  --transition-speed: 0.3s;
  --transition-base: all var(--transition-speed) ease-in-out;
}

/* Language Selection */
.language-selection-container {
  margin: var(--spacing-lg) 0;
}

.language-selection {
  margin-top: var(--spacing-sm);
}

.language-option {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: var(--spacing-md);
  min-width: 0;
  width: 100%;
  justify-content: center;
  background: var(--bg-overlay-light);
  border: 2px solid transparent;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.language-option:hover,
.os-option:hover {
  background: var(--bg-overlay-medium);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.language-option input[type="radio"],
.os-option input[type="radio"] {
  display: none;
}

.language-option input[type="radio"]:checked + .language-icon,
.os-option input[type="radio"]:checked + .os-icon {
  transform: scale(1.2);
  filter: drop-shadow(0 0 8px var(--primary-color));
}

.language-option input[type="radio"]:checked + .language-icon + span,
.os-option input[type="radio"]:checked + .os-icon + span {
  color: var(--primary-color);
  font-weight: bold;
}

.language-option.recommended {
  border: 2px solid rgba(196, 165, 69, 0.5);
  background: var(--critical-gradient);
}

.language-option.recommended:hover {
  box-shadow: var(--shadow-critical);
}

.strength-indicator {
  font-size: 0.8em;
  color: var(--critical-color);
  margin-left: var(--spacing-xs);
  white-space: nowrap;
  opacity: 0.7;
}

/* When any option is selected */
.language-option input[type="radio"]:checked ~ label,
.language-option:has(input[type="radio"]:checked),
.os-option input[type="radio"]:checked ~ label,
.os-option:has(input[type="radio"]:checked) {
  border-color: var(--primary-color);
  background: linear-gradient(135deg, rgba(103, 42, 124, 0.2), rgba(103, 42, 124, 0.1));
  box-shadow: var(--shadow-primary);
}

/* When recommended option is selected */
.language-option.recommended input[type="radio"]:checked ~ label,
.language-option.recommended:has(input[type="radio"]:checked) {
  border-color: var(--critical-color);
  background: var(--critical-gradient);
  box-shadow: var(--shadow-critical);
}

/* When recommended option is NOT selected */
/* When combined is selected, style both language options as selected */
.language-selection:has(input[value="combined"]:checked) .language-option:not(.recommended) {
  border-color: var(--primary-color);
  background: linear-gradient(135deg, rgba(103, 42, 124, 0.2), rgba(103, 42, 124, 0.1));
  box-shadow: var(--shadow-primary);
}

.language-selection:has(input[value="combined"]:checked) .language-option:not(.recommended) .language-icon {
  transform: scale(1.2);
  filter: drop-shadow(0 0 8px var(--primary-color));
}

.language-selection:has(input[value="combined"]:checked) .language-option:not(.recommended) span:not(.language-icon) {
  color: var(--primary-color);
  font-weight: bold;
}

/* When a specific language is selected, remove combined recommendation */
.language-selection:has(input[type="radio"]:checked:not([value="combined"])) .language-option.recommended {
  border-color: rgba(196, 165, 69, 0.2);
  background: transparent;
  box-shadow: none;
}

.language-selection:has(input[type="radio"]:checked:not([value="combined"])) .strength-indicator {
  opacity: 0.4;
}

/* Hover effect overlay */
.language-option::after,
.os-option::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), transparent);
  opacity: 0;
  transition: opacity var(--transition-speed);
}

.language-option:hover::after,
.os-option:hover::after {
  opacity: 1;
}

/* OS Selection */
.os-selection-container {
  margin: var(--spacing-lg) 0;
}

.os-selection {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-sm);
}

.os-group h4 {
  margin: 0 0 var(--spacing-sm) 0;
  color: var(--text-primary);
  font-size: 1rem;
}

.os-options {
  display: flex;
  gap: var(--spacing-sm);
}

.os-option {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: var(--spacing-md);
  background: var(--bg-overlay-light);
  border: 2px solid transparent;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

/* Passwords Container */
#passwords-container {
  position: relative;
  margin: var(--spacing-lg) 0;
}

/* Password Groups */
.password-group {
  position: relative;
  margin: 2rem 0 var(--spacing-lg);
  padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
  border-radius: var(--border-radius);
}

.password-group.other {
  background: linear-gradient(135deg, rgba(103, 42, 124, 0.1), rgba(103, 42, 124, 0.05));
  border: 2px dashed var(--primary-color);
}

.password-group.critical {
  background: var(--critical-gradient);
  border: 1px solid var(--critical-color);
}

.group-header {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 0.95em;
  font-weight: bold;
  color: var(--text-primary);
  padding: var(--spacing-xs) var(--spacing-md);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--border-radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
  z-index: 2;
}

.header-icon {
  font-size: 1.1em;
  line-height: 1;
}

.header-text {
  position: relative;
  top: 1px;
}

.password-group.critical .group-header {
  background: #2a2416;
}

.password-group.other .group-header {
  background: #1a0d1f;
}

.warning-banner {
  color: var(--critical-color);
  font-weight: bold;
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
  text-align: center;
  background: var(--memory-bg);
  padding: var(--spacing-xs);
  border-radius: var(--border-radius);
}

.warning-banner.storage {
  color: var(--primary-color);
  background: rgba(103, 42, 124, 0.1);
}

.storage-note.critical {
  background: var(--write-bg);
  border: 1px solid rgba(196, 165, 69, 0.15);
}

.storage-note.critical .instruction-icon {
  background: var(--memory-bg);
}

.storage-note.critical .instruction-title {
  color: var(--critical-color);
}

.storage-note.critical .highlight-critical {
  text-shadow: 0 0 8px rgba(196, 165, 69, 0.2);
}

.storage-note .instruction-note.warning {
  color: var(--critical-color);
  font-weight: bold;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  margin-top: 0.4rem;
}

.password-item {
  margin: var(--spacing-md) 0;
  position: relative;
}

.password-label {
  font-weight: bold;
  margin-bottom: 0.4rem;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.password-value {
  font-family: monospace;
  font-size: 1.1rem;
  padding: var(--spacing-sm);
  background: var(--bg-dark);
  border-radius: var(--border-radius);
  line-height: 1.5;
  position: relative;
  white-space: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.password-value::-webkit-scrollbar {
  display: none;
}

/* Storage Instructions */
.storage-note {
  background: var(--bg-dark);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  margin: var(--spacing-md) 0;
}

.storage-note .instruction-step {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  background: var(--bg-dark);
  border-radius: var(--border-radius);
  transition: var(--transition-speed);
  width: 100%;
}

.storage-note .instruction-step:hover {
  background: var(--bg-darker);
  transform: translateY(-2px);
}

.storage-note .instruction-step:last-child {
  margin-bottom: 0;
}

.storage-note .instruction-icon {
  font-size: 1.25rem;
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(103, 42, 124, 0.1);
  border-radius: 50%;
  flex-shrink: 0;
}

.storage-note .instruction-title {
  font-size: 1rem;
  font-weight: bold;
  margin-bottom: 0.4rem;
  color: var(--primary-color);
}

.storage-note .instruction-text {
  color: var(--text-primary);
  line-height: 1.4;
  font-size: 0.9rem;
  word-wrap: break-word;
  overflow-wrap: break-word;
  flex: 1;
  min-width: 0;
}

.storage-note .instruction-note {
  color: var(--text-secondary);
  font-style: italic;
  margin-top: 0.4rem;
  line-height: 1.3;
  font-size: 0.85rem;
}

/* Additional Notes */
.os-instructions {
  background: var(--bg-dark);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  margin: var(--spacing-md) 0;
}

.os-instructions p {
  margin: 0.6rem 0;
  line-height: 1.4;
}

.os-instructions a {
  color: var(--warning-color);
  text-decoration: none;
  transition: var(--transition-speed);
}

.os-instructions a:hover {
  text-decoration: underline;
  filter: brightness(1.2);
}

/* Button Container */
.button-container {
  display: flex;
  justify-content: center;
  margin: var(--spacing-lg) 0;
}

/* Button */
#generate-button {
  background: var(--primary-gradient);
  color: var(--text-primary);
  border: none;
  padding: var(--spacing-md) 2rem;
  border-radius: var(--border-radius);
  font-size: 1.1rem;
  cursor: pointer;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: bold;
  width: auto;
  min-width: 250px;
  text-align: center;
}

#generate-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: 0.5s;
}

#generate-button:hover:not(:disabled) {
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(103, 42, 124, 0.4);
  background: var(--primary-gradient-hover);
}

#generate-button:hover:not(:disabled)::before {
  left: 100%;
}

#generate-button:active:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: var(--shadow-primary);
}

#generate-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

#generate-button:focus-visible {
  outline: 2px solid var(--warning-color);
  outline-offset: 2px;
}

#generate-button .button-text {
  position: relative;
  z-index: 1;
}

/* Highlights */
.highlight-critical {
  color: var(--critical-color);
  font-weight: bold;
  border-radius: var(--border-radius-sm);
  text-shadow: 0 0 10px rgba(196, 165, 69, 0.2);
}

/* Word Containers and Indicators */
.memory-container, .write-container {
  position: relative;
  display: inline-block;
  padding: 0.1rem 0.25rem;
  border-radius: 2px;
}

.memory-container {
  background: var(--memory-bg);
  border-style: solid;
  border-width: 1px 1px 1px 0;
  border-color: rgba(255, 255, 0, 0.25);
}

.write-container {
  background: var(--write-bg);
  border: 1px dashed rgba(255, 255, 0, 0.2);
}

.memory-word {
  text-decoration: underline;
}

.memory-indicator, .write-indicator {
  position: absolute;
  top: -0.3rem;
  font-size: 0.7rem;
  opacity: 0.8;
  user-select: none;
  pointer-events: none;
  line-height: 1;
}

.write-indicator {
  left: -0.3rem;
}

/* Responsive Design */
@media (max-width: 480px) {
  :root {
    --spacing-md: 0.75rem;
    --spacing-lg: 1.25rem;
  }

  .password-value {
    font-size: 0.7rem;
    padding: var(--spacing-xs);
  }

  .storage-note {
    padding: var(--spacing-sm);
  }
  
  .storage-note .instruction-step {
    padding: var(--spacing-xs);
    gap: var(--spacing-xs);
  }
  
  .storage-note .instruction-icon {
    width: 1.75rem;
    height: 1.75rem;
    font-size: 1rem;
  }

  .password-group {
    padding: var(--spacing-md) var(--spacing-sm) var(--spacing-sm);
  }

  .storage-note .instruction-text,
  .storage-note .instruction-note,
  .storage-note .instruction-title,
  .password-label {
    font-size: 0.8rem !important;
  }
}