/**
 * BEM Styling Architecture for DNP Developer Utilities Suite
 * Modern CSS with proper BEM methodology and CSS variables
 * Version: 2.0.0
 */

/* ==========================================================================
   CSS Variables - Theme System
   ========================================================================== */

:root {
  /* Base font size for rem calculations (16px standard) */
  --dnp-base-font-size: 16px;
  /* Light Theme Variables */
  --dnp-bg-primary: #ffffff;
  --dnp-bg-secondary: #f8f9fa;
  --dnp-bg-tertiary: #e9ecef;
  --dnp-text-primary: #333333;
  --dnp-text-secondary: #666666;
  --dnp-text-muted: #999999;
  --dnp-border: #e0e0e0;
  --dnp-border-light: #f0f0f0;
  --dnp-border-dark: #d0d0d0;
  --dnp-primary: #007cba;
  --dnp-primary-hover: #005a87;
  --dnp-primary-light: #e6f3ff;
  --dnp-success: #28a745;
  --dnp-success-bg: #d4edda;
  --dnp-error: #dc3545;
  --dnp-error-bg: #f8d7da;
  --dnp-warning: #ffc107;
  --dnp-warning-bg: #fff3cd;
  --dnp-shadow: 0 2px 10px rgba(0,0,0,0.1);
  --dnp-shadow-hover: 0 4px 15px rgba(0,0,0,0.15);
  --dnp-radius: 8px;
  --dnp-radius-small: 4px;
  --dnp-spacing-xs: 4px;
  --dnp-spacing-sm: 8px;
  --dnp-spacing-md: 12px;
  --dnp-spacing-lg: 16px;
  --dnp-spacing-xl: 20px;
  --dnp-spacing-xxl: 24px;
  --dnp-font-size-sm: 0.95em;
  --dnp-font-size-base: 1em;
  --dnp-font-size-lg: 1.2em;
  --dnp-line-height: 1.4;
  --dnp-transition: all 0.2s ease-in-out;
}

/* Dark Theme Variables */
.dnp-tool--theme-dark {
  --dnp-bg-primary: #2c3e50;
  --dnp-bg-secondary: #34495e;
  --dnp-bg-tertiary: #3d566e;
  --dnp-text-primary: #ecf0f1;
  --dnp-text-secondary: #bdc3c7;
  --dnp-text-muted: #95a5a6;
  --dnp-border: #34495e;
  --dnp-border-light: #2c3e50;
  --dnp-border-dark: #3d566e;
  --dnp-primary: #3498db;
  --dnp-primary-hover: #2980b9;
  --dnp-primary-light: #1a252f;
  --dnp-success: #27ae60;
  --dnp-success-bg: #1e3a2e;
  --dnp-error: #e74c3c;
  --dnp-error-bg: #3a1e1e;
  --dnp-warning: #f39c12;
  --dnp-warning-bg: #3a2e1e;
  --dnp-shadow: 0 2px 10px rgba(0,0,0,0.3);
  --dnp-shadow-hover: 0 4px 15px rgba(0,0,0,0.4);
}

/* ==========================================================================
   Block: .dnp-tool (Root Container)
   ========================================================================== */

.dnp-tool {
  /* Layout */
  max-width: 100%;
  margin: var(--dnp-spacing-xl) 0;
  
  /* Visual */
  background: var(--dnp-bg-primary);
  border: 1px solid var(--dnp-border);
  border-radius: var(--dnp-radius);
  box-shadow: var(--dnp-shadow);
  overflow: visible;
  
  /* Typography - Set base font size for consistent rem calculations */
  color: var(--dnp-text-primary);
  font-family: inherit;
  font-size: 16px; /* Explicit base size ensures rem units work consistently */
  line-height: var(--dnp-line-height);
  
  /* Interaction */
  transition: var(--dnp-transition);
}

.dnp-tool:hover {
  box-shadow: var(--dnp-shadow-hover);
}

.dnp-tool:focus-within {
  border-color: var(--dnp-primary);
  box-shadow: 0 0 0 2px var(--dnp-primary-light);
}

/* ==========================================================================
   Elements: .dnp-tool__* (Child Components)
   ========================================================================== */

/* Header Element */
.dnp-tool__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--dnp-spacing-lg) var(--dnp-spacing-xl);
  background: var(--dnp-bg-secondary);
  border-bottom: 1px solid var(--dnp-border);
  border-radius: var(--dnp-radius) var(--dnp-radius) 0 0;
}

/* Title Element */
.dnp-tool__title {
  margin: 0;
  font-size: var(--dnp-font-size-lg);
  font-weight: 600;
  color: var(--dnp-text-primary);
}

/* Actions Container Element */
.dnp-tool__actions {
  display: flex;
  gap: var(--dnp-spacing-sm);
  flex-wrap: wrap;
}

/* Button Element */
.dnp-tool__button {
  /* Layout */
  padding: var(--dnp-spacing-sm) var(--dnp-spacing-md);
  border: 1px solid var(--dnp-border-dark);
  border-radius: var(--dnp-radius-small);
  
  /* Visual */
  background: var(--dnp-bg-primary);
  color: var(--dnp-text-primary);
  
  /* Typography */
  font-size: var(--dnp-font-size-sm);
  font-weight: 400;
  line-height: 1;
  text-decoration: none;
  
  /* Interaction */
  cursor: pointer;
  transition: var(--dnp-transition);
  
  /* Reset */
  outline: none;
}

.dnp-tool__button:hover {
  background: var(--dnp-bg-tertiary);
  border-color: var(--dnp-primary);
  color: var(--dnp-primary);
}

.dnp-tool__button:focus {
  border-color: var(--dnp-primary);
  box-shadow: 0 0 0 2px var(--dnp-primary-light);
}

.dnp-tool__button:active {
  transform: translateY(1px);
}

.dnp-tool__button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary Button Modifier */
.dnp-tool__button--primary {
  background: var(--dnp-primary);
  border-color: var(--dnp-primary);
  color: #ffffff;
}

.dnp-tool__button--primary:hover {
  background: var(--dnp-primary-hover);
  border-color: var(--dnp-primary-hover);
  color: #ffffff;
}

/* Content Area Element */
.dnp-tool__content {
  padding: var(--dnp-spacing-xl);
  min-height: auto;
  overflow: visible;
}

/* Input Element */
.dnp-tool__input {
  width: 100%;
  padding: var(--dnp-spacing-md);
  margin-top: var(--dnp-spacing-xs);
  border: 1px solid var(--dnp-border);
  border-radius: var(--dnp-radius-small);
  
  /* Visual */
  background: var(--dnp-bg-primary);
  color: var(--dnp-text-primary);
  
  /* Typography */
  font-family: inherit;
  font-size: var(--dnp-font-size-sm);
  line-height: var(--dnp-line-height);
  
  /* Layout */
  box-sizing: border-box;
  outline: none;
  transition: var(--dnp-transition);
}

.dnp-tool__input:focus {
  border-color: var(--dnp-primary);
  box-shadow: 0 0 0 2px var(--dnp-primary-light);
}

.dnp-tool__input[readonly] {
  background: var(--dnp-bg-secondary);
  cursor: default;
}

.dnp-tool__input::placeholder {
  color: var(--dnp-text-muted);
}

/* Output Element */
.dnp-tool__output {
  width: 100%;
  padding: var(--dnp-spacing-md);
  border: 1px solid var(--dnp-border);
  border-radius: var(--dnp-radius-small);
  
  /* Visual */
  background: var(--dnp-bg-secondary);
  color: var(--dnp-text-primary);
  
  /* Typography */
  font-family: inherit;
  font-size: var(--dnp-font-size-base);
  line-height: var(--dnp-line-height);
  
  /* Layout */
  box-sizing: border-box;
  outline: none;
  resize: vertical;
  min-height: 120px;
}

.dnp-tool__output:focus {
  border-color: var(--dnp-primary);
  box-shadow: 0 0 0 2px var(--dnp-primary-light);
}

.dnp-tool__output[readonly] {
  cursor: default;
}

.dnp-tool__output::placeholder {
  color: var(--dnp-text-muted);
}

/* Textarea Element */
.dnp-tool__textarea {
  width: 100%;
  padding: var(--dnp-spacing-md);
  margin-top: var(--dnp-spacing-xs);
  border: 1px solid var(--dnp-border);
  border-radius: var(--dnp-radius-small);
  
  /* Visual */
  background: var(--dnp-bg-primary);
  color: var(--dnp-text-primary);
  
  /* Typography */
  font-family: inherit;
  font-size: var(--dnp-font-size-sm);
  line-height: var(--dnp-line-height);
  
  /* Layout */
  box-sizing: border-box;
  outline: none;
  resize: vertical;
  min-height: 120px;
  transition: var(--dnp-transition);
}

.dnp-tool__textarea:focus {
  border-color: var(--dnp-primary);
  box-shadow: 0 0 0 2px var(--dnp-primary-light);
}

.dnp-tool__textarea[readonly] {
  background: var(--dnp-bg-secondary);
  cursor: default;
}

.dnp-tool__textarea::placeholder {
  color: var(--dnp-text-muted);
}

/* Select Element */
.dnp-tool__select {
  width: 100%;
  padding: var(--dnp-spacing-md);
  margin-top: var(--dnp-spacing-xs);
  border: 1px solid var(--dnp-border);
  border-radius: var(--dnp-radius-small);
  
  /* Visual */
  background: var(--dnp-bg-primary);
  color: var(--dnp-text-primary);
  
  /* Typography */
  font-family: inherit;
  font-size: var(--dnp-font-size-sm);
  line-height: var(--dnp-line-height);
  
  /* Layout */
  box-sizing: border-box;
  cursor: pointer;
  outline: none;
  transition: var(--dnp-transition);
}

.dnp-tool__select:focus {
  border-color: var(--dnp-primary);
  box-shadow: 0 0 0 2px var(--dnp-primary-light);
}

/* Label Element */
.dnp-tool__label {
  display: block;
  margin-bottom: var(--dnp-spacing-sm);
  margin-top: var(--dnp-spacing-md);
  font-weight: 500;
  color: var(--dnp-text-primary);
  font-size: var(--dnp-font-size-sm);
}

/* First label in a form group should not have top margin */
.dnp-tool__form-group > .dnp-tool__label:first-child,
.dnp-tool__form-group .dnp-tool__form-group > .dnp-tool__label:first-child {
  margin-top: 0;
}

/* Message Element */
.dnp-tool__message {
  padding: var(--dnp-spacing-md);
  margin: var(--dnp-spacing-md) 0;
  border-radius: var(--dnp-radius-small);
  font-size: var(--dnp-font-size-sm);
  line-height: var(--dnp-line-height);
  display: none;
}

.dnp-tool__message--success {
  background: var(--dnp-success-bg);
  color: var(--dnp-success);
  border: 1px solid var(--dnp-success);
}

.dnp-tool__message--error {
  background: var(--dnp-error-bg);
  color: var(--dnp-error);
  border: 1px solid var(--dnp-error);
}

.dnp-tool__message--warning {
  background: var(--dnp-warning-bg);
  color: var(--dnp-warning);
  border: 1px solid var(--dnp-warning);
}

/* Form Groups */
.dnp-tool__form-group {
  margin-bottom: var(--dnp-spacing-lg);
  display: block;
}

/* Remove br tags that WordPress wpautop might add */
/* Only hide br tags in form groups, not in textareas or outputs */
.dnp-tool__form-group > br,
.dnp-tool__form-group label + br,
.dnp-tool__form-group input + br,
.dnp-tool__form-group select + br {
  display: none;
}

/* Also handle legacy classes (for random-string-generator and other legacy shortcodes) */
.dnp-dev-tools-content > br,
.dnp-dev-tools-content label + br,
.dnp-dev-tools-content input + br,
.dnp-dev-tools-content select + br,
.dnp-string-options > br,
.dnp-string-settings > br,
.dnp-string-settings label + br,
.dnp-string-settings input + br,
.dnp-string-settings select + br {
  display: none;
}

/* Preserve br tags in textarea and output content (for line breaks) */
.dnp-tool__textarea br,
.dnp-tool__output br,
textarea br,
.dnp-string-output br,
.dnp-lorem-output br {
  display: inline !important;
}

.dnp-tool__form-row {
  display: flex;
  gap: var(--dnp-spacing-md);
  align-items: end;
}

.dnp-tool__form-col {
  flex: 1;
}

/* ==========================================================================
   Modifiers: .dnp-tool--* (Variations)
   ========================================================================== */

/* Tool-Specific Modifiers */
.dnp-tool--json-formatter .dnp-tool__textarea {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.dnp-tool--base64-converter .dnp-tool__textarea {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.dnp-tool--regex-tester .dnp-tool__textarea {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.dnp-tool--sql-minifier .dnp-tool__textarea {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.dnp-tool--css-inliner .dnp-tool__textarea {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.dnp-tool--css-units-converter .dnp-tool__input {
  max-width: 200px;
}

.dnp-tool--css-units-converter .dnp-tool__form-row {
  align-items: center;
}

.dnp-tool--number-base-changer .dnp-tool__input {
  max-width: 150px;
}

.dnp-tool--random-string .dnp-tool__form-row {
  flex-wrap: wrap;
}

.dnp-tool--random-string .dnp-tool__form-col {
  min-width: 200px;
}

.dnp-tool--lorem-ipsum .dnp-tool__form-row {
  flex-wrap: wrap;
}

.dnp-tool--lorem-ipsum .dnp-tool__form-col {
  min-width: 150px;
}

.dnp-tool--timestamp-converter .dnp-tool__form-row {
  flex-wrap: wrap;
}

.dnp-tool--timestamp-converter .dnp-tool__form-col {
  min-width: 200px;
}

.dnp-tool--url-encoder .dnp-tool__textarea {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.dnp-tool--hash-generator .dnp-tool__textarea {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.dnp-tool--uuid-generator .dnp-tool__textarea {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.dnp-tool--jwt-parser .dnp-tool__textarea {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.dnp-tool--query-to-json .dnp-tool__textarea {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.dnp-tool--svg-viewer .dnp-tool__content {
  text-align: center;
}

.dnp-tool--har-viewer .dnp-tool__textarea {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

/* Theme Modifiers */
.dnp-tool--theme-light {
  /* Light theme is default, no additional styles needed */
}

.dnp-tool--theme-dark {
  /* Dark theme variables are applied via CSS variables above */
}

/* Size Modifiers */
.dnp-tool--compact .dnp-tool__header {
  padding: var(--dnp-spacing-md) var(--dnp-spacing-lg);
}

.dnp-tool--compact .dnp-tool__content {
  padding: var(--dnp-spacing-lg);
}

.dnp-tool--compact .dnp-tool__title {
  font-size: var(--dnp-font-size-base);
}

.dnp-tool--large .dnp-tool__header {
  padding: var(--dnp-spacing-xxl);
}

.dnp-tool--large .dnp-tool__content {
  padding: var(--dnp-spacing-xxl);
}

.dnp-tool--large .dnp-tool__title {
  font-size: 1.25rem;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 768px) {
  .dnp-tool__header {
    flex-direction: column;
    align-items: stretch;
    gap: var(--dnp-spacing-md);
  }
  
  .dnp-tool__actions {
    justify-content: center;
  }
  
  .dnp-tool__form-row {
    flex-direction: column;
    align-items: stretch;
  }
  
  .dnp-tool__form-col {
    min-width: auto;
  }
  
  .dnp-tool--css-units-converter .dnp-tool__input,
  .dnp-tool--number-base-changer .dnp-tool__input {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .dnp-tool {
    margin: var(--dnp-spacing-md) 0;
  }
  
  .dnp-tool__header {
    padding: var(--dnp-spacing-md);
  }
  
  .dnp-tool__content {
    padding: var(--dnp-spacing-md);
  }
  
  .dnp-tool__actions {
    flex-direction: column;
  }
  
  .dnp-tool__button {
    width: 100%;
    text-align: center;
  }
  
  .dnp-tool__textarea,
  .dnp-tool__input,
  .dnp-tool__output {
    font-size: var(--dnp-font-size-sm);
  }
}

/* ==========================================================================
   Accessibility
   ========================================================================== */

/* Focus indicators */
.dnp-tool__button:focus-visible,
.dnp-tool__input:focus-visible,
.dnp-tool__textarea:focus-visible,
.dnp-tool__select:focus-visible {
  outline: 2px solid var(--dnp-primary);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .dnp-tool {
    border-width: 2px;
  }
  
  .dnp-tool__button {
    border-width: 2px;
  }
  
  .dnp-tool__input,
  .dnp-tool__textarea,
  .dnp-tool__select {
    border-width: 2px;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .dnp-tool,
  .dnp-tool__button,
  .dnp-tool__input,
  .dnp-tool__textarea,
  .dnp-tool__select {
    transition: none;
  }
  
  .dnp-tool__button:active {
    transform: none;
  }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
  .dnp-tool {
    box-shadow: none;
    border: 1px solid #000;
    break-inside: avoid;
  }
  
  .dnp-tool__actions {
    display: none;
  }
  
  .dnp-tool__button {
    display: none;
  }
}

/* ==========================================================================
   Backward Compatibility & Font Size Fixes
   ========================================================================== */

/* Override old CSS font sizes for consistency */
.dnp-dev-tools-shortcode textarea,
.dnp-dev-tools-shortcode input[type="text"],
.dnp-dev-tools-shortcode input[type="number"],
.dnp-dev-tools-shortcode input[type="email"],
.dnp-dev-tools-shortcode input[type="url"],
.dnp-dev-tools-shortcode input[type="password"],
.dnp-dev-tools-shortcode select {
  font-size: 0.95em !important;
}

/* Ensure old classes still work during transition */
.dnp-dev-tools-shortcode {
  max-width: 100%;
  margin: 20px 0;
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  overflow: visible;
}

.dnp-dev-tools-header {
  background: #f8f9fa;
  padding: 15px 20px;
  border-bottom: 1px solid #e0e0e0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.dnp-dev-tools-header h3 {
  font-size: 1.2em !important;
  margin: 0 !important;
  font-weight: 600 !important;
  color: #333;
}

.dnp-dev-tools-content {
  padding: 20px;
  min-height: auto;
  overflow: visible;
}

/* Textarea and input styling for old classes */
.dnp-dev-tools-shortcode textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.95em;
  line-height: 1.4;
  resize: vertical;
  min-height: 120px;
  box-sizing: border-box;
  background: #fff;
  color: #333;
}

.dnp-dev-tools-shortcode textarea:focus {
  border-color: #007cba;
  outline: none;
  box-shadow: 0 0 0 1px #007cba;
}

.dnp-dev-tools-shortcode textarea[readonly] {
  background: #f8f9fa;
  cursor: default;
}

.dnp-dev-tools-shortcode input[type="text"],
.dnp-dev-tools-shortcode input[type="number"],
.dnp-dev-tools-shortcode input[type="email"],
.dnp-dev-tools-shortcode input[type="url"],
.dnp-dev-tools-shortcode input[type="password"] {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.95em;
  line-height: 1.4;
  box-sizing: border-box;
  background: #fff;
  color: #333;
}

.dnp-dev-tools-shortcode input:focus {
  border-color: #007cba;
  outline: none;
  box-shadow: 0 0 0 1px #007cba;
}

.dnp-dev-tools-shortcode select {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.95em;
  line-height: 1.4;
  box-sizing: border-box;
  background: #fff;
  color: #333;
  cursor: pointer;
}

.dnp-dev-tools-shortcode label {
  display: block;
  margin-bottom: var(--dnp-spacing-sm, 8px);
  margin-top: var(--dnp-spacing-md, 12px);
  font-weight: 500;
  color: #333;
  font-size: 0.95em;
}

/* First label in a section should not have top margin */
.dnp-dev-tools-shortcode .dnp-uuid-options > label:first-child,
.dnp-dev-tools-shortcode .dnp-uuid-format-section > label:first-child,
.dnp-dev-tools-shortcode .dnp-uuid-v5-section > label:first-child,
.dnp-dev-tools-shortcode .dnp-batch-section > label:first-child {
  margin-top: 0;
}

.dnp-dev-tools-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* Button styling for old classes - replicate old CSS without !important conflicts */
.dnp-dev-tools-actions button,
.dnp-filter-btn,
.dnp-example-btn {
  padding: 6px 12px !important;
  border: 1px solid #333 !important;
  background: transparent !important;
  color: #333 !important;
  border-radius: 20px !important;
  cursor: pointer !important;
  font-size: 12px !important;
  font-weight: 400 !important;
  transition: all 0.3s ease !important;
  text-decoration: none !important;
  display: inline-block !important;
  margin-right: 6px !important;
  margin-bottom: 6px !important;
  box-shadow: none !important;
  min-height: 28px !important;
  line-height: 1.2 !important;
}

.dnp-dev-tools-actions button:hover,
.dnp-filter-btn:hover,
.dnp-example-btn:hover {
  background: #333 !important;
  border-color: #000 !important;
  color: #fff !important;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.15) !important;
}

.dnp-dev-tools-actions button:active,
.dnp-filter-btn:active,
.dnp-example-btn:active {
  transform: translateY(0);
  box-shadow: 0 1px 3px rgba(0,0,0,0.1) !important;
}

/* Dark theme support for old classes */
.dnp-dev-tools-shortcode.dnp-theme-dark {
  background: #2c3e50;
  border-color: #34495e;
  color: #ecf0f1;
}

.dnp-dev-tools-shortcode.dnp-theme-dark .dnp-dev-tools-header {
  background: #34495e;
  border-bottom-color: #2c3e50;
}

.dnp-dev-tools-shortcode.dnp-theme-dark .dnp-dev-tools-header h3 {
  color: #ecf0f1 !important;
}

.dnp-dev-tools-shortcode.dnp-theme-dark textarea,
.dnp-dev-tools-shortcode.dnp-theme-dark input {
  background: #34495e;
  border-color: #2c3e50;
  color: #ecf0f1;
}

.dnp-dev-tools-shortcode.dnp-theme-dark button,
.dnp-dev-tools-shortcode.dnp-theme-dark .dnp-filter-btn,
.dnp-dev-tools-shortcode.dnp-theme-dark .dnp-example-btn {
  border-color: #ecf0f1 !important;
  color: #ecf0f1 !important;
}

.dnp-dev-tools-shortcode.dnp-theme-dark button:hover,
.dnp-dev-tools-shortcode.dnp-theme-dark .dnp-filter-btn:hover,
.dnp-dev-tools-shortcode.dnp-theme-dark .dnp-example-btn:hover {
  background: #ecf0f1 !important;
  border-color: #fff !important;
  color: #2c3e50 !important;
}

/* Legacy button classes */
.dnp-format-btn,
.dnp-minify-btn,
.dnp-validate-btn,
.dnp-copy-btn,
.dnp-encode-btn,
.dnp-decode-btn,
.dnp-convert-btn,
.dnp-test-btn,
.dnp-now-btn {
  /* Inherit from .dnp-tool__button */
}

/* Legacy input/output classes */
.dnp-json-input,
.dnp-json-output,
.dnp-base64-input,
.dnp-base64-output,
.dnp-timestamp-input,
.dnp-timestamp-output,
.dnp-regex-input,
.dnp-regex-pattern,
.dnp-regex-output,
.dnp-url-input,
.dnp-url-output,
.dnp-hash-input,
.dnp-hash-output,
.dnp-uuid-output,
.dnp-query-input,
.dnp-query-output,
.dnp-css-input,
.dnp-css-output,
.dnp-lorem-output,
.dnp-string-output,
.dnp-jwt-input,
.dnp-jwt-output,
.dnp-number-input,
.dnp-number-output,
.dnp-sql-input,
.dnp-sql-output,
.dnp-css-inline-input,
.dnp-css-inline-output,
.dnp-svg-input,
.dnp-svg-output,
.dnp-har-input,
.dnp-har-output {
  /* Inherit from .dnp-tool__textarea */
}

/* Legacy message classes */
.dnp-message {
  padding: 10px 15px;
  margin: 10px 0;
  border-radius: 4px;
  font-size: 0.9em;
}

.dnp-message.dnp-success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.dnp-message.dnp-error {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

/* Form groups and sections */
.dnp-dev-tools-shortcode .dnp-hash-input-section,
.dnp-dev-tools-shortcode .dnp-hash-options,
.dnp-dev-tools-shortcode .dnp-hmac-section,
.dnp-dev-tools-shortcode .dnp-hash-output-section,
.dnp-dev-tools-shortcode .dnp-uuid-options,
.dnp-dev-tools-shortcode .dnp-uuid-format-section,
.dnp-dev-tools-shortcode .dnp-uuid-v5-section,
.dnp-dev-tools-shortcode .dnp-batch-section,
.dnp-dev-tools-shortcode .dnp-uuid-output-section,
.dnp-dev-tools-shortcode .dnp-string-settings,
.dnp-dev-tools-shortcode .dnp-string-options,
.dnp-dev-tools-shortcode .dnp-filter-section,
.dnp-dev-tools-shortcode .dnp-examples-section {
  margin-bottom: 15px;
}

/* Button group containers */
.dnp-filter-buttons,
.dnp-example-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.dnp-dev-tools-shortcode .dnp-string-settings,
.dnp-dev-tools-shortcode .dnp-string-options,
.dnp-dev-tools-shortcode .dnp-hash-options,
.dnp-dev-tools-shortcode .dnp-uuid-options {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

/* Output divs (non-textarea outputs) */
.dnp-timestamp-output,
.dnp-regex-matches {
  padding: 12px;
  background: #f8f9fa;
  border: 1px solid #ddd;
  border-radius: 4px;
  min-height: 60px;
  font-size: 0.95em;
  line-height: 1.4;
}

.dnp-dev-tools-shortcode.dnp-theme-dark .dnp-timestamp-output,
.dnp-dev-tools-shortcode.dnp-theme-dark .dnp-regex-matches {
  background: #34495e;
  border-color: #2c3e50;
  color: #ecf0f1;
}

/* ==========================================================================
   Color Converter Tool Specific Styles
   ========================================================================== */

.dnp-tool--color-converter .dnp-color-input-group {
  display: flex;
  gap: 8px;
  align-items: stretch;
  margin-bottom: 15px;
  width: 100%;
  box-sizing: border-box;
  flex-wrap: nowrap;
}

.dnp-tool--color-converter .dnp-color-input-group .dnp-tool__select {
  min-width: 80px;
  max-width: 100px;
  flex-shrink: 0;
  height: 40px;
}

.dnp-tool--color-converter .dnp-color-input-group .dnp-tool__input {
  flex: 1;
  min-width: 0;
  height: 40px;
}

.dnp-tool--color-converter .dnp-color-picker {
  width: 40px;
  height: 40px;
  border: 2px solid var(--dnp-border);
  border-radius: 4px;
  cursor: pointer;
  background: none;
  padding: 0;
  flex-shrink: 0;
  overflow: hidden;
  box-sizing: border-box;
}

.dnp-tool--color-converter .dnp-color-picker:hover {
  border-color: var(--dnp-primary);
}

.dnp-tool--color-converter .dnp-color-outputs {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.dnp-tool--color-converter .dnp-color-output-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--dnp-bg-secondary);
  border-radius: 6px;
  border: 1px solid var(--dnp-border);
  transition: all 0.2s ease;
}

.dnp-tool--color-converter .dnp-color-output-item:hover {
  background: var(--dnp-bg-primary);
  border-color: var(--dnp-primary);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.dnp-tool--color-converter .dnp-color-format-label {
  min-width: 80px;
  font-weight: 600;
  color: var(--dnp-text-primary);
  font-size: 0.95em;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.dnp-tool--color-converter .dnp-color-output-value {
  flex: 1;
  font-family: 'Courier New', monospace;
  font-size: 0.95em;
  background: var(--dnp-bg-primary);
  border: 1px solid var(--dnp-border);
  padding: 8px 12px;
  border-radius: 4px;
  color: var(--dnp-text-primary);
  transition: all 0.2s ease;
}

.dnp-tool--color-converter .dnp-color-output-value:hover {
  border-color: var(--dnp-primary);
}

.dnp-tool--color-converter .dnp-copy-single-btn {
  padding: 6px 12px;
  font-size: 0.85em;
  min-width: 60px;
}

.dnp-tool--color-converter .dnp-color-preview {
  padding: 20px;
  background: var(--dnp-bg-secondary);
  border-radius: 8px;
  margin-bottom: 20px;
}

.dnp-tool--color-converter .dnp-preview-group {
  display: flex;
  gap: 30px;
  margin-bottom: 15px;
  flex-wrap: wrap;
}

.dnp-tool--color-converter .dnp-preview-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 120px;
}

.dnp-tool--color-converter .dnp-preview-label {
  font-size: 0.85em;
  font-weight: 600;
  color: var(--dnp-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.dnp-tool--color-converter .dnp-color-swatch {
  width: 80px;
  height: 80px;
  border-radius: 8px;
  border: none;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  background: #f0f0f0;
}

.dnp-tool--color-converter .dnp-rgb-swatch {
  position: relative;
}

.dnp-tool--color-converter .dnp-cmyk-swatch {
  position: relative;
}

.dnp-tool--color-converter .dnp-cmyk-swatch::after {
  content: '(RGB approximation)';
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.7em;
  color: var(--dnp-text-secondary);
  white-space: nowrap;
}

.dnp-tool--color-converter .dnp-color-info {
  width: 100%;
}

.dnp-tool--color-converter .dnp-color-name,
.dnp-tool--color-converter .dnp-cmyk-name {
  font-size: 0.9em;
  font-weight: 600;
  color: var(--dnp-text-primary);
  text-align: center;
  word-break: break-all;
}

.dnp-tool--color-converter .dnp-contrast-info {
  font-size: 0.9em;
  color: var(--dnp-text-secondary);
  margin-bottom: 10px;
}

.dnp-tool--color-converter .dnp-gamut-warning {
  padding: 12px 15px;
  background: #fff3cd;
  border: 1px solid #ffc107;
  border-radius: 6px;
  color: #856404;
  font-size: 0.9em;
  line-height: 1.5;
  margin-top: 10px;
}

.dnp-tool--color-converter.dnp-tool--theme-dark .dnp-gamut-warning {
  background: rgba(255, 193, 7, 0.15);
  border-color: #ffc107;
  color: #ffc107;
}

.dnp-tool--color-converter .dnp-palette-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 15px;
}

.dnp-tool--color-converter .dnp-palette-results {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 15px;
}

.dnp-tool--color-converter .dnp-palette-color {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
}

.dnp-tool--color-converter .dnp-palette-swatch {
  width: 40px;
  height: 40px;
  border-radius: 4px;
  border: 2px solid var(--dnp-border);
  cursor: pointer;
  transition: transform 0.2s ease;
}

.dnp-tool--color-converter .dnp-palette-swatch:hover {
  transform: scale(1.1);
}

.dnp-tool--color-converter .dnp-palette-hex {
  font-family: monospace;
  font-size: 0.8em;
  color: var(--dnp-text-secondary);
}

/* Dark theme adjustments for Color Converter */
.dnp-tool--color-converter.dnp-tool--theme-dark .dnp-color-output-item {
  background: var(--dnp-bg-primary);
}

.dnp-tool--color-converter.dnp-tool--theme-dark .dnp-color-output-value {
  background: var(--dnp-bg-secondary);
  color: var(--dnp-text-primary);
}

.dnp-tool--color-converter.dnp-tool--theme-dark .dnp-color-preview {
  background: var(--dnp-bg-primary);
}

.dnp-tool--color-converter.dnp-tool--theme-dark .dnp-color-swatch {
  background: #444;
}

/* Responsive design for Color Converter */
@media (max-width: 768px) {
  .dnp-tool--color-converter .dnp-color-input-group {
    flex-direction: column;
    align-items: stretch;
  }
  
  .dnp-tool--color-converter .dnp-color-input-group .dnp-tool__select {
    min-width: auto;
  }
  
  .dnp-tool--color-converter .dnp-color-preview {
    flex-direction: column;
    text-align: center;
  }
  
  .dnp-tool--color-converter .dnp-palette-buttons {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .dnp-tool--color-converter .dnp-color-output-item {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding: 10px 12px;
  }
  
  .dnp-tool--color-converter .dnp-color-format-label {
    min-width: auto;
    text-align: center;
    font-size: 0.9em;
  }
  
  .dnp-tool--color-converter .dnp-color-output-value {
    text-align: center;
    font-size: 0.9em;
  }
  
  .dnp-tool--color-converter .dnp-copy-single-btn {
    width: 100%;
    padding: 8px 12px;
  }
  
  .dnp-tool--color-converter .dnp-color-swatch {
    width: 60px;
    height: 60px;
  }
}