/**
 * JSON Toolbox - Design System v3.0
 * Design Identity Pass v1
 *
 * Design Philosophy:
 * - Developer-oriented power tool aesthetic
 * - VSCode/JetBrains/Figma inspired patterns
 * - Restrained, intentional color usage
 * - Information density over whitespace
 *
 * Typography: IBM Carbon scale
 * Icons: Lucide at 16px (small) / 18px (medium) / 20px (large)
 * WCAG: AA compliant (>= 4.5:1 contrast)
 */

/* ============================================
   DESIGN TOKENS
   ============================================ */

:root {
  /* === Spacing Scale (IBM Carbon) === */
  --space-0: 0;
  --space-xs: 0.125rem;   /* 2px */
  --space-sm: 0.25rem;    /* 4px */
  --space-md: 0.5rem;     /* 8px */
  --space-lg: 0.75rem;    /* 12px */
  --space-xl: 1rem;       /* 16px */
  --space-2xl: 1.5rem;    /* 24px */
  --space-3xl: 2rem;      /* 32px */
  --space-4xl: 2.5rem;    /* 40px */
  --space-5xl: 3rem;      /* 48px */

  /* Semantic spacing aliases */
  --space-component: var(--space-xl);
  --space-section: var(--space-2xl);
  --space-layout: var(--space-3xl);

  /* === Border & Radius === */
  --radius-none: 0;
  --radius-sm: 0.125rem;  /* 2px - subtle */
  --radius-md: 0.25rem;   /* 4px - inputs */
  --radius-lg: 0.375rem;  /* 6px - cards */
  --radius-xl: 0.5rem;    /* 8px - modals */
  --radius-2xl: 0.75rem;  /* 12px - panels */
  --radius-full: 9999px;

  --border-thin: 1px;
  --border-medium: 2px;

  /* === Typography Scale (Carbon) === */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'IBM Plex Sans', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'IBM Plex Mono', 'Fira Code', 'SF Mono', Consolas, 'Liberation Mono', Menlo, monospace;

  /* Font sizes */
  --text-caption: 0.6875rem;  /* 11px */
  --text-body-sm: 0.75rem;    /* 12px */
  --text-body: 0.8125rem;     /* 13px */
  --text-body-lg: 0.875rem;   /* 14px */
  --text-heading-sm: 1rem;    /* 16px */
  --text-heading: 1.125rem;   /* 18px */
  --text-heading-lg: 1.25rem; /* 20px */
  --text-display: 1.5rem;     /* 24px */

  /* Line heights */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;

  /* Font weights */
  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  /* Letter spacing */
  --tracking-tight: -0.01em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;

  /* === Transitions === */
  --duration-instant: 50ms;
  --duration-fast: 100ms;
  --duration-base: 150ms;
  --duration-slow: 250ms;
  --duration-slower: 350ms;

  --ease-default: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);

  --transition-fast: var(--duration-fast) var(--ease-default);
  --transition-base: var(--duration-base) var(--ease-default);
  --transition-slow: var(--duration-slow) var(--ease-default);

  /* === Elevation (subtle, no box-shadow circus) === */
  --elevation-0: none;
  --elevation-1: 0 1px 2px rgba(0, 0, 0, 0.04);
  --elevation-2: 0 2px 4px rgba(0, 0, 0, 0.06);
  --elevation-3: 0 4px 8px rgba(0, 0, 0, 0.08);
  --elevation-4: 0 8px 16px rgba(0, 0, 0, 0.10);
  --elevation-overlay: 0 12px 28px rgba(0, 0, 0, 0.15);

  /* === Focus Ring === */
  --focus-ring-width: 2px;
  --focus-ring-offset: 2px;

  /* ============================================
     LIGHT THEME COLORS (WCAG AA)
     Design Identity Pass v1 - Refined palette
     ============================================ */

  /* Primary palette - Slightly warmer blue */
  --color-primary: #0066cc;
  --color-primary-hover: #0052a3;
  --color-primary-active: #004080;
  --color-primary-subtle: rgba(0, 102, 204, 0.06);
  --color-primary-muted: rgba(0, 102, 204, 0.12);

  /* Accent - For highlights and selections */
  --color-accent: #7c3aed;
  --color-accent-hover: #6d28d9;
  --color-accent-subtle: rgba(124, 58, 237, 0.06);

  /* Surface colors - Tighter tonal range */
  --color-bg: #ffffff;
  --color-bg-subtle: #f8f9fa;
  --color-bg-muted: #f1f3f5;
  --color-bg-emphasis: #212529;
  --color-bg-overlay: rgba(0, 0, 0, 0.5);
  --color-bg-inset: #f4f5f7;

  --color-surface: #ffffff;
  --color-surface-raised: #f8f9fa;
  --color-surface-sunken: #f1f3f5;
  --color-surface-overlay: #ffffff;

  /* Border - More subtle, cohesive */
  --color-border: #dee2e6;
  --color-border-muted: #e9ecef;
  --color-border-subtle: #f1f3f5;
  --color-border-strong: #adb5bd;

  /* Text - WCAG AA verified, tighter hierarchy */
  --color-text: #212529;           /* 16.1:1 on white */
  --color-text-secondary: #495057; /* 7.4:1 on white */
  --color-text-tertiary: #6c757d;  /* 4.9:1 on white */
  --color-text-placeholder: #adb5bd;
  --color-text-disabled: #ced4da;
  --color-text-inverse: #ffffff;
  --color-text-link: #0066cc;

  /* Semantic: Success - Muted green */
  --color-success: #198754;
  --color-success-emphasis: #157347;
  --color-success-bg: #d1f7e5;
  --color-success-border: #a3e4c5;

  /* Semantic: Error - Clear red */
  --color-error: #dc3545;
  --color-error-emphasis: #b02a37;
  --color-error-bg: #fce8ea;
  --color-error-border: #f5c2c7;

  /* Semantic: Warning - Warm amber */
  --color-warning: #cc8400;
  --color-warning-emphasis: #997000;
  --color-warning-bg: #fff3cd;
  --color-warning-border: #ffe69c;

  /* Semantic: Info - Calm blue */
  --color-info: #0077b6;
  --color-info-emphasis: #005f8a;
  --color-info-bg: #cfe8f3;
  --color-info-border: #9ecfeb;

  /* === Component Tokens (Light) === */
  --jt-tab-bg: var(--color-bg-subtle);
  --jt-tab-bg-hover: var(--color-bg-muted);
  --jt-tab-bg-active: var(--color-surface);
  --jt-tab-border: var(--color-border);
  --jt-tab-text: var(--color-text-secondary);
  --jt-tab-text-hover: var(--color-text);
  --jt-tab-text-active: var(--color-primary);

  --jt-panel-bg: var(--color-surface);
  --jt-panel-border: var(--color-border);

  --jt-input-bg: var(--color-surface);
  --jt-input-bg-hover: var(--color-surface);
  --jt-input-border: var(--color-border);
  --jt-input-border-hover: var(--color-border-strong);
  --jt-input-border-focus: var(--color-primary);

  --jt-code-bg: var(--color-surface-raised);
  --jt-code-border: var(--color-border);

  --jt-badge-bg: var(--color-success-bg);
  --jt-badge-text: var(--color-success);
  --jt-badge-border: var(--color-success-border);

  /* Focus ring */
  --jt-focus-ring: 0 0 0 var(--focus-ring-offset) var(--color-surface),
                   0 0 0 calc(var(--focus-ring-offset) + var(--focus-ring-width)) var(--color-primary);
}

/* ============================================
   DARK THEME COLORS (WCAG AA)
   ============================================ */

[data-theme="dark"] {
  /* Primary palette - Cool cyan-blue */
  --color-primary: #4dabf7;
  --color-primary-hover: #74c0fc;
  --color-primary-active: #339af0;
  --color-primary-subtle: rgba(77, 171, 247, 0.10);
  --color-primary-muted: rgba(77, 171, 247, 0.18);

  /* Accent - Vibrant purple for highlights */
  --color-accent: #9775fa;
  --color-accent-hover: #b197fc;
  --color-accent-subtle: rgba(151, 117, 250, 0.10);

  /* Surface colors - Deeper, richer darks */
  --color-bg: #0c0e12;
  --color-bg-subtle: #13161b;
  --color-bg-muted: #1c1f26;
  --color-bg-emphasis: #e9ecef;
  --color-bg-overlay: rgba(0, 0, 0, 0.75);
  --color-bg-inset: #0f1115;

  --color-surface: #13161b;
  --color-surface-raised: #1c1f26;
  --color-surface-sunken: #0c0e12;
  --color-surface-overlay: #262b33;

  /* Border - Subtle definition */
  --color-border: #2c3038;
  --color-border-muted: #1f232a;
  --color-border-subtle: #181b21;
  --color-border-strong: #5c6370;

  /* Text - WCAG AA verified, good readability */
  --color-text: #e6e9ed;           /* 14.5:1 on #0c0e12 */
  --color-text-secondary: #a0a8b3; /* 6.8:1 on #0c0e12 */
  --color-text-tertiary: #7c8590;  /* 4.5:1 on #0c0e12 */
  --color-text-placeholder: #5c6370;
  --color-text-disabled: #3d424a;
  --color-text-inverse: #0c0e12;
  --color-text-link: #4dabf7;

  /* Semantic: Success - Softer green */
  --color-success: #51cf66;
  --color-success-emphasis: #40c057;
  --color-success-bg: #112118;
  --color-success-border: #2f9e44;

  /* Semantic: Error - Vibrant but not harsh */
  --color-error: #ff6b6b;
  --color-error-emphasis: #fa5252;
  --color-error-bg: #211414;
  --color-error-border: #e03131;

  /* Semantic: Warning - Warm yellow */
  --color-warning: #fcc419;
  --color-warning-emphasis: #fab005;
  --color-warning-bg: #1f1a0e;
  --color-warning-border: #f59f00;

  /* Semantic: Info - Matches primary */
  --color-info: #4dabf7;
  --color-info-emphasis: #339af0;
  --color-info-bg: #0e1620;
  --color-info-border: #228be6;

  /* === Component Tokens (Dark) === */
  --jt-tab-bg: var(--color-bg-subtle);
  --jt-tab-bg-hover: var(--color-bg-muted);
  --jt-tab-bg-active: var(--color-surface-raised);
  --jt-tab-border: var(--color-border);
  --jt-tab-text: var(--color-text-secondary);
  --jt-tab-text-hover: var(--color-text);
  --jt-tab-text-active: var(--color-primary);

  --jt-panel-bg: var(--color-surface);
  --jt-panel-border: var(--color-border);

  --jt-input-bg: var(--color-surface-sunken);
  --jt-input-bg-hover: var(--color-surface);
  --jt-input-border: var(--color-border);
  --jt-input-border-hover: var(--color-border-strong);
  --jt-input-border-focus: var(--color-primary);

  --jt-code-bg: var(--color-surface-sunken);
  --jt-code-border: var(--color-border);

  --jt-badge-bg: var(--color-success-bg);
  --jt-badge-text: var(--color-success);
  --jt-badge-border: var(--color-success-border);

  /* Elevation adjustments for dark */
  --elevation-1: 0 1px 2px rgba(0, 0, 0, 0.2);
  --elevation-2: 0 2px 4px rgba(0, 0, 0, 0.3);
  --elevation-3: 0 4px 8px rgba(0, 0, 0, 0.4);
  --elevation-4: 0 8px 16px rgba(0, 0, 0, 0.5);
  --elevation-overlay: 0 12px 28px rgba(0, 0, 0, 0.6);

  /* Focus ring for dark */
  --jt-focus-ring: 0 0 0 var(--focus-ring-offset) var(--color-surface),
                   0 0 0 calc(var(--focus-ring-offset) + var(--focus-ring-width)) var(--color-primary);

  /* Override global heading colors for dark mode */
  --rubrik-color: #e6edf3;
  --primary-color: #58a6ff;
}

/* Global heading overrides for dark mode in JSON Toolbox */
[data-theme="dark"] .rubrik,
[data-theme="dark"] .rubrik--sektion,
[data-theme="dark"] .rubrik--underrubrik {
  color: var(--color-text);
  text-shadow: none;
}

/* ============================================
   TYPOGRAPHY HIERARCHY
   ============================================ */

/* Display */
.text-display {
  font-family: var(--font-sans);
  font-size: var(--text-display);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text);
}

/* Headings */
.text-h1 {
  font-family: var(--font-sans);
  font-size: var(--text-heading-lg);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text);
}

.text-h2 {
  font-family: var(--font-sans);
  font-size: var(--text-heading);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-snug);
  color: var(--color-text);
}

.text-h3 {
  font-family: var(--font-sans);
  font-size: var(--text-heading-sm);
  font-weight: var(--weight-medium);
  line-height: var(--leading-snug);
  color: var(--color-text);
}

/* Body text */
.text-body {
  font-family: var(--font-sans);
  font-size: var(--text-body);
  font-weight: var(--weight-normal);
  line-height: var(--leading-normal);
  color: var(--color-text);
}

.text-body-lg {
  font-family: var(--font-sans);
  font-size: var(--text-body-lg);
  font-weight: var(--weight-normal);
  line-height: var(--leading-normal);
  color: var(--color-text);
}

/* Label */
.text-label {
  font-family: var(--font-sans);
  font-size: var(--text-body);
  font-weight: var(--weight-medium);
  line-height: var(--leading-tight);
  color: var(--color-text);
}

.text-label-sm {
  font-family: var(--font-sans);
  font-size: var(--text-body-sm);
  font-weight: var(--weight-medium);
  line-height: var(--leading-tight);
  color: var(--color-text-secondary);
}

/* Caption / Meta */
.text-caption {
  font-family: var(--font-sans);
  font-size: var(--text-caption);
  font-weight: var(--weight-normal);
  line-height: var(--leading-normal);
  color: var(--color-text-tertiary);
}

.text-meta {
  font-family: var(--font-sans);
  font-size: var(--text-body-sm);
  font-weight: var(--weight-normal);
  line-height: var(--leading-normal);
  color: var(--color-text-secondary);
}

/* Code */
.text-code {
  font-family: var(--font-mono);
  font-size: var(--text-body);
  font-weight: var(--weight-normal);
  line-height: var(--leading-relaxed);
  color: var(--color-text);
}

.text-code-sm {
  font-family: var(--font-mono);
  font-size: var(--text-body-sm);
  font-weight: var(--weight-normal);
  line-height: var(--leading-relaxed);
  color: var(--color-text);
}

/* ============================================
   MAIN CONTAINER
   ============================================ */

.json-toolbox {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: var(--leading-normal);
  color: var(--color-text);
}

/* ============================================
   LAYOUT SECTION OVERRIDE (UX Layout Pass v1)
   Reduce vertical whitespace for tool-first layout
   ============================================ */

.layout__sektion--compact {
  padding-top: var(--space-md);
  padding-bottom: var(--space-sm);
}

/* ============================================
   COMPACT HEADER BAR (UX Layout Pass v1)
   - Developer-grade: minimal, tool-first
   - Title inline with privacy badge
   ============================================ */

.json-toolbox__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-border-muted);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  border-bottom: none;
}

.json-toolbox__header-left {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.json-toolbox__title {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-family: var(--font-sans);
  font-size: var(--text-body-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  margin: 0;
  cursor: help;
}

.json-toolbox__title-icon {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  stroke-width: 2;
}

.json-toolbox__header-right {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* ============================================
   PRIVACY BADGE
   ============================================ */

.json-toolbox__privacy {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  background: var(--jt-badge-bg);
  color: var(--jt-badge-text);
  border: var(--border-thin) solid var(--jt-badge-border);
  border-radius: var(--radius-full);
  font-size: var(--text-caption);
  font-weight: var(--weight-medium);
  cursor: help;
  transition: opacity var(--transition-fast);
}

.json-toolbox__privacy:hover {
  opacity: 0.9;
}

.json-toolbox__privacy svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  stroke-width: 2;
}

/* ============================================
   TAB NAVIGATION
   ============================================ */

.json-toolbox__tabs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  background: var(--jt-tab-bg);
  border: var(--border-thin) solid var(--jt-tab-border);
  border-top: none;
  border-bottom: none;
}

/* Tab Group with Separators (UX Layout Pass v1) */
.json-toolbox__tab-group {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.json-toolbox__tab-separator {
  width: 1px;
  height: 24px;
  margin: 0 var(--space-sm);
  background: var(--color-border);
  opacity: 0.5;
}

.json-toolbox__tab {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  min-width: auto;
  background: transparent;
  border: var(--border-thin) solid transparent;
  border-radius: var(--radius-md);
  color: var(--jt-tab-text);
  font-family: var(--font-sans);
  font-size: var(--text-body-sm);
  font-weight: var(--weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.json-toolbox__tab::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: calc(100% - var(--space-xl));
  height: 2px;
  background: var(--color-primary);
  transition: transform var(--transition-base);
  border-radius: var(--radius-full);
  transform-origin: center;
}

.json-toolbox__tab:hover {
  background: var(--jt-tab-bg-hover);
  color: var(--jt-tab-text-hover);
}

.json-toolbox__tab:focus {
  outline: none;
}

.json-toolbox__tab:focus-visible {
  box-shadow: var(--jt-focus-ring);
}

.json-toolbox__tab:active {
  transform: scale(0.98);
}

.json-toolbox__tab--active {
  background: var(--jt-tab-bg-active);
  border-color: var(--jt-tab-border);
  border-bottom-color: var(--jt-tab-bg-active);
  color: var(--jt-tab-text-active);
  font-weight: var(--weight-semibold);
}

.json-toolbox__tab--active::after {
  transform: translateX(-50%) scaleX(1);
}

.json-toolbox__tab-icon {
  width: 16px;
  height: 16px;
  stroke-width: 1.75;
  flex-shrink: 0;
  opacity: 0.85;
  transition: opacity var(--transition-fast);
}

.json-toolbox__tab:hover .json-toolbox__tab-icon,
.json-toolbox__tab--active .json-toolbox__tab-icon {
  opacity: 1;
}

.json-toolbox__tab-label {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  line-height: var(--leading-tight);
}

/* ============================================
   TAB PANELS
   ============================================ */

.json-toolbox__panels {
  background: var(--jt-panel-bg);
  border: var(--border-thin) solid var(--jt-panel-border);
  border-top: none;
  border-radius: 0;
  min-height: 350px;
}

.json-toolbox__panel {
  padding: var(--space-xl);
}

/* ============================================
   PRIMARY ACTION BUTTON (UX Layout Pass v1)
   Contextual action button that adapts per mode
   ============================================ */

.json-toolbox__primary-action {
  display: inline-flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-xl);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  font-weight: var(--weight-semibold);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--elevation-1);
}

.json-toolbox__primary-action:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--elevation-2);
}

.json-toolbox__primary-action:active {
  background: var(--color-primary-active);
  transform: scale(0.98);
}

.json-toolbox__primary-action:focus-visible {
  box-shadow: var(--jt-focus-ring);
}

.json-toolbox__primary-action svg {
  width: 16px;
  height: 16px;
  stroke-width: 2;
}

.json-toolbox__primary-action--disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.json-toolbox__panel.hidden {
  display: none;
}

.json-toolbox__panel:focus {
  outline: none;
}

.json-toolbox__content {
  margin-top: var(--space-xl);
}

/* ============================================
   PLACEHOLDER (COMING SOON)
   ============================================ */

.json-toolbox__placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-5xl) var(--space-xl);
  text-align: center;
  color: var(--color-text-tertiary);
}

.json-toolbox__placeholder-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-xl);
  opacity: 0.4;
  stroke-width: 1.5;
}

.json-toolbox__placeholder-text {
  font-size: var(--text-heading);
  font-weight: var(--weight-semibold);
  margin: 0 0 var(--space-md) 0;
  color: var(--color-text-secondary);
}

.json-toolbox__placeholder-desc {
  font-size: var(--text-body);
  margin: 0;
  color: var(--color-text-tertiary);
}

/* ============================================
   STATUS BAR (VSCode-inspired)
   Pinned at bottom of toolbox, compact, dense info
   ============================================ */

.json-toolbox__statusbar {
  display: flex;
  align-items: center;
  height: 22px;
  padding: 0 var(--space-md);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-family: var(--font-sans);
  font-size: var(--text-caption);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  user-select: none;
}

[data-theme="dark"] .json-toolbox__statusbar {
  background: var(--color-bg-muted);
  color: var(--color-text-secondary);
}

.json-toolbox__statusbar-section {
  display: flex;
  align-items: center;
  height: 100%;
}

.json-toolbox__statusbar-section--left {
  flex: 0 0 auto;
}

.json-toolbox__statusbar-section--center {
  flex: 1;
  justify-content: center;
}

.json-toolbox__statusbar-section--right {
  flex: 0 0 auto;
}

.json-toolbox__statusbar-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  height: 100%;
  padding: 0 var(--space-md);
  background: transparent;
  border: none;
  color: inherit;
  font: inherit;
  font-size: var(--text-body-sm);
  white-space: nowrap;
}

.json-toolbox__statusbar-item--clickable {
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.json-toolbox__statusbar-item--clickable:hover {
  background: rgba(255, 255, 255, 0.15);
}

[data-theme="dark"] .json-toolbox__statusbar-item--clickable:hover {
  background: var(--color-bg-subtle);
}

.json-toolbox__statusbar-item--clickable:focus {
  outline: none;
}

.json-toolbox__statusbar-item--clickable:focus-visible {
  background: rgba(255, 255, 255, 0.2);
}

[data-theme="dark"] .json-toolbox__statusbar-item--clickable:focus-visible {
  background: var(--color-primary-subtle);
}

.json-toolbox__statusbar-item--active {
  background: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .json-toolbox__statusbar-item--active {
  background: var(--color-primary-subtle);
  color: var(--color-primary);
}

.json-toolbox__statusbar-icon {
  width: 14px;
  height: 14px;
  stroke-width: 1.75;
  opacity: 0.9;
}

.json-toolbox__statusbar-icon--light {
  display: inline;
}

.json-toolbox__statusbar-icon--dark {
  display: none;
}

[data-theme="dark"] .json-toolbox__statusbar-icon--light {
  display: none;
}

[data-theme="dark"] .json-toolbox__statusbar-icon--dark {
  display: inline;
}

.json-toolbox__statusbar-kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 16px;
  height: 16px;
  padding: 0 var(--space-xs);
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: var(--weight-semibold);
  line-height: 1;
}

[data-theme="dark"] .json-toolbox__statusbar-kbd {
  background: var(--color-bg-subtle);
  color: var(--color-text);
}

.json-toolbox__statusbar-divider {
  width: 1px;
  height: 14px;
  background: rgba(255, 255, 255, 0.2);
  margin: 0 var(--space-xs);
}

[data-theme="dark"] .json-toolbox__statusbar-divider {
  background: var(--color-border);
}

.json-toolbox__statusbar-spacer {
  flex: 1;
}

/* GitHub link in status bar */
.json-toolbox__statusbar-item--github {
  text-decoration: none;
  color: inherit;
  padding: 0 var(--space-sm);
}

.json-toolbox__statusbar-item--github svg {
  display: block !important;
  width: 14px;
  height: 14px;
  min-width: 14px;
  min-height: 14px;
  fill: currentColor;
  opacity: 0.9;
}

/* ============================================
   FOOTER
   ============================================ */

.json-toolbox__footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  padding-top: var(--space-md);
  padding-bottom: var(--space-lg);
}

/* Shortcut hint moved to status bar - see .json-toolbox__statusbar */

.json-toolbox__clear-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: transparent;
  border: var(--border-thin) solid var(--jt-tab-border);
  border-radius: var(--radius-md);
  color: var(--color-text-tertiary);
  font-family: var(--font-sans);
  font-size: var(--text-body-sm);
  font-weight: var(--weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.json-toolbox__clear-btn:hover {
  background: var(--jt-tab-bg-hover);
  border-color: var(--color-border-strong);
  color: var(--color-text);
}

.json-toolbox__clear-btn:focus-visible {
  box-shadow: var(--jt-focus-ring);
}

.json-toolbox__clear-btn:active {
  transform: scale(0.98);
}

.json-toolbox__clear-btn svg {
  width: 14px;
  height: 14px;
}

/* ============================================
   MODULE LAYOUT SYSTEM
   ============================================ */

/* Standard module container */
.jt-module {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

/* Module header */
.jt-module__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: var(--border-thin) solid var(--color-border-subtle);
}

.jt-module__title {
  font-size: var(--text-heading-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.jt-module__title svg {
  width: 18px;
  height: 18px;
  color: var(--color-text-secondary);
}

/* Module sections */
.jt-module__section {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.jt-module__label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  font-size: var(--text-body);
  font-weight: var(--weight-medium);
  color: var(--color-text);
}

.jt-module__label-hint {
  font-size: var(--text-body-sm);
  font-weight: var(--weight-normal);
  color: var(--color-text-tertiary);
}

/* Module input area */
.jt-module__input {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* Module options */
.jt-module__options {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-lg);
  background: var(--color-bg-subtle);
  border-radius: var(--radius-lg);
  border: var(--border-thin) solid var(--color-border-subtle);
}

.jt-module__options-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md);
}

.jt-module__options-label {
  font-size: var(--text-body-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
}

/* Module actions */
.jt-module__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.jt-module__actions--primary {
  padding-top: var(--space-md);
}

.jt-module__actions--secondary {
  padding-top: var(--space-sm);
}

/* Module output */
.jt-module__output {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* Module stats badge */
.jt-module__stats {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  font-weight: var(--weight-medium);
  color: var(--color-primary);
  background: var(--color-primary-subtle);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-md);
}

/* ============================================
   FORM ELEMENTS
   ============================================ */

/* Textarea (Code areas) */
.jt-textarea {
  width: 100%;
  min-height: 180px;
  padding: var(--space-lg);
  border: var(--border-thin) solid var(--jt-input-border);
  border-radius: var(--radius-lg);
  background: var(--jt-input-bg);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: var(--text-body);
  line-height: var(--leading-relaxed);
  resize: vertical;
  transition: border-color var(--transition-fast),
              background-color var(--transition-fast),
              box-shadow var(--transition-fast);
}

.jt-textarea::placeholder {
  color: var(--color-text-placeholder);
}

.jt-textarea:hover {
  border-color: var(--jt-input-border-hover);
}

.jt-textarea:focus {
  outline: none;
  border-color: var(--jt-input-border-focus);
  box-shadow: 0 0 0 3px var(--color-primary-muted);
}

.jt-textarea--output {
  background: var(--jt-code-bg);
}

/* Select */
.jt-select {
  padding: var(--space-md) var(--space-lg);
  border: var(--border-thin) solid var(--jt-input-border);
  border-radius: var(--radius-md);
  background: var(--jt-input-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  cursor: pointer;
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast);
}

.jt-select:hover {
  border-color: var(--jt-input-border-hover);
}

.jt-select:focus {
  outline: none;
  border-color: var(--jt-input-border-focus);
  box-shadow: 0 0 0 3px var(--color-primary-muted);
}

/* Input */
.jt-input {
  padding: var(--space-md) var(--space-lg);
  border: var(--border-thin) solid var(--jt-input-border);
  border-radius: var(--radius-md);
  background: var(--jt-input-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast);
}

.jt-input::placeholder {
  color: var(--color-text-placeholder);
}

.jt-input:hover {
  border-color: var(--jt-input-border-hover);
}

.jt-input:focus {
  outline: none;
  border-color: var(--jt-input-border-focus);
  box-shadow: 0 0 0 3px var(--color-primary-muted);
}

/* Checkbox */
.jt-checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  cursor: pointer;
  font-size: var(--text-body);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.jt-checkbox:hover {
  color: var(--color-text);
}

.jt-checkbox input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

/* ============================================
   BUTTONS
   ============================================ */

/* Base button */
.jt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-xl);
  border: var(--border-thin) solid transparent;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  font-weight: var(--weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.jt-btn:focus {
  outline: none;
}

.jt-btn:focus-visible {
  box-shadow: var(--jt-focus-ring);
}

.jt-btn:active {
  transform: scale(0.98);
}

.jt-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.jt-btn svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  stroke-width: 2;
}

/* Primary button */
.jt-btn--primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.jt-btn--primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.jt-btn--primary:active {
  background: var(--color-primary-active);
  border-color: var(--color-primary-active);
}

/* Secondary button */
.jt-btn--secondary {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text-secondary);
}

.jt-btn--secondary:hover {
  background: var(--color-bg-subtle);
  border-color: var(--color-border-strong);
  color: var(--color-text);
}

/* Ghost button */
.jt-btn--ghost {
  background: transparent;
  border-color: transparent;
  color: var(--color-text-secondary);
}

.jt-btn--ghost:hover {
  background: var(--color-bg-subtle);
  color: var(--color-text);
}

/* Small button */
.jt-btn--sm {
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--text-body-sm);
}

.jt-btn--sm svg {
  width: 12px;
  height: 12px;
}

/* Button group */
.jt-btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

/* Legacy button classes (compatibility) */
.json-toolbox__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-xl);
  background: var(--color-primary);
  border: var(--border-thin) solid var(--color-primary);
  border-radius: var(--radius-md);
  color: var(--color-text-inverse);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  font-weight: var(--weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.json-toolbox__btn:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.json-toolbox__btn:focus-visible {
  box-shadow: var(--jt-focus-ring);
}

.json-toolbox__btn:active {
  transform: scale(0.98);
}

.json-toolbox__btn svg {
  width: 14px;
  height: 14px;
}

.json-toolbox__btn--secondary {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text-secondary);
}

.json-toolbox__btn--secondary:hover {
  background: var(--color-bg-subtle);
  border-color: var(--color-border-strong);
  color: var(--color-text);
}

/* Primary Action Pill (UX Layout Pass v1) */
.json-toolbox__btn--primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
  font-weight: var(--weight-semibold);
  padding: var(--space-md) var(--space-2xl);
  box-shadow: var(--elevation-1);
}

.json-toolbox__btn--primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  box-shadow: var(--elevation-2);
}

.json-toolbox__btn--primary:active {
  background: var(--color-primary-active);
  box-shadow: var(--elevation-1);
}

/* ============================================
   STATUS MESSAGES
   ============================================ */

.jt-status {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-xl);
  border-radius: var(--radius-lg);
  font-size: var(--text-body);
  font-weight: var(--weight-medium);
  border: var(--border-thin) solid;
  animation: statusFadeIn var(--duration-base) var(--ease-out);
}

@keyframes statusFadeIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.jt-status svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.jt-status--success {
  background: var(--color-success-bg);
  color: var(--color-success);
  border-color: var(--color-success-border);
}

.jt-status--error {
  background: var(--color-error-bg);
  color: var(--color-error);
  border-color: var(--color-error-border);
}

.jt-status--warning {
  background: var(--color-warning-bg);
  color: var(--color-warning);
  border-color: var(--color-warning-border);
}

.jt-status--info {
  background: var(--color-info-bg);
  color: var(--color-info);
  border-color: var(--color-info-border);
}

/* Legacy status classes */
.json-toolbox__status {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-xl);
  margin-top: var(--space-xl);
  border-radius: var(--radius-lg);
  font-size: var(--text-body);
  font-weight: var(--weight-medium);
}

.json-toolbox__status svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.json-toolbox__status--success {
  background: var(--color-success-bg);
  color: var(--color-success);
  border: var(--border-thin) solid var(--color-success-border);
}

.json-toolbox__status--error {
  background: var(--color-error-bg);
  color: var(--color-error);
  border: var(--border-thin) solid var(--color-error-border);
}

.json-toolbox__status--info {
  background: var(--color-info-bg);
  color: var(--color-info);
  border: var(--border-thin) solid var(--color-info-border);
}

.json-toolbox__status--warning {
  background: var(--color-warning-bg);
  color: var(--color-warning);
  border: var(--border-thin) solid var(--color-warning-border);
}

/* Module status (inline) */
.module-status {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-size: var(--text-body);
  min-height: 2rem;
  animation: statusFadeIn var(--duration-base) var(--ease-out);
}

.module-status svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

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

.status-error {
  background: var(--color-error-bg);
  color: var(--color-error);
}

.status-info {
  background: var(--color-info-bg);
  color: var(--color-info);
}

.status-warning {
  background: var(--color-warning-bg);
  color: var(--color-warning);
}

/* ============================================
   MODAL (KEYBOARD SHORTCUTS)
   ============================================ */

.jt-modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-bg-overlay);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.jt-modal-overlay--visible {
  opacity: 1;
}

.jt-modal {
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--elevation-overlay);
  max-width: 520px;
  width: 90%;
  max-height: 85vh;
  overflow: hidden;
  transform: scale(0.96) translateY(8px);
  transition: transform var(--transition-slow);
}

.jt-modal-overlay--visible .jt-modal {
  transform: scale(1) translateY(0);
}

.jt-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xl) var(--space-2xl);
  border-bottom: var(--border-thin) solid var(--color-border);
  background: var(--color-bg-subtle);
}

.jt-modal__header h3 {
  margin: 0;
  font-size: var(--text-heading-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.jt-modal__header h3 svg {
  width: 18px;
  height: 18px;
  color: var(--color-text-secondary);
  stroke-width: 2;
}

.jt-modal__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.jt-modal__close:hover {
  background: var(--color-bg-muted);
  color: var(--color-text);
}

.jt-modal__close:focus-visible {
  box-shadow: var(--jt-focus-ring);
}

.jt-modal__close svg {
  width: 16px;
  height: 16px;
}

.jt-modal__body {
  padding: var(--space-2xl);
  overflow-y: auto;
  max-height: calc(85vh - 140px);
}

.jt-modal__footer {
  padding: var(--space-lg) var(--space-2xl);
  border-top: var(--border-thin) solid var(--color-border);
  background: var(--color-bg-subtle);
  text-align: center;
}

.jt-modal__footer small {
  font-size: var(--text-caption);
  color: var(--color-text-tertiary);
}

/* Shortcuts List - VSCode style */
.jt-shortcuts-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.jt-shortcuts-group {
  margin-bottom: var(--space-xl);
}

.jt-shortcuts-group:last-child {
  margin-bottom: 0;
}

.jt-shortcuts-group__title {
  font-size: var(--text-caption);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: var(--border-thin) solid var(--color-border-subtle);
}

.jt-shortcut-row {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.jt-shortcut-row:hover {
  background: var(--color-bg-subtle);
}

.jt-shortcut-row kbd {
  min-width: 100px;
  justify-content: center;
}

.jt-shortcut-row span {
  flex: 1;
  color: var(--color-text-secondary);
  font-size: var(--text-body);
}

.jt-shortcut-row svg {
  width: 14px;
  height: 14px;
  color: var(--color-text-tertiary);
  margin-right: var(--space-md);
}

/* Keyboard Key */
kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  padding: 0 var(--space-md);
  background: linear-gradient(180deg, var(--color-bg-subtle) 0%, var(--color-bg-muted) 100%);
  border: var(--border-thin) solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  box-shadow: 0 2px 0 var(--color-border),
              inset 0 -1px 0 var(--color-border-muted);
}

[data-theme="dark"] kbd {
  background: linear-gradient(180deg, var(--color-surface-raised) 0%, var(--color-surface-overlay) 100%);
}

/* ============================================
   DRAG & DROP
   ============================================ */

.drag-over {
  border-color: var(--color-primary) !important;
  background: var(--color-primary-subtle) !important;
  box-shadow: 0 0 0 3px var(--color-primary-muted) !important;
}

/* ============================================
   LOADING SPINNER
   ============================================ */

.jt-loading {
  display: inline-block;
  width: 1em;
  height: 1em;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: var(--radius-full);
  animation: jt-spin 0.75s linear infinite;
}

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

/* ============================================
   COPY ANIMATION
   ============================================ */

@keyframes copyPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.02); }
  100% { transform: scale(1); }
}

.copy-success {
  animation: copyPulse var(--duration-base) var(--ease-out);
}

/* ============================================
   CODE INPUT/OUTPUT AREAS (Legacy)
   ============================================ */

.code-input,
.code-output {
  width: 100%;
  min-height: 200px;
  padding: var(--space-lg);
  border: var(--border-thin) solid var(--jt-code-border);
  border-radius: var(--radius-lg);
  background: var(--jt-code-bg);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: var(--text-body);
  line-height: var(--leading-relaxed);
  resize: vertical;
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast);
}

.code-input::placeholder,
.code-output::placeholder {
  color: var(--color-text-placeholder);
}

.code-input:hover,
.code-output:hover {
  border-color: var(--jt-input-border-hover);
}

.code-input:focus,
.code-output:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-muted);
}

.code-output {
  background: var(--color-surface-sunken);
}

/* ============================================
   COMMON FORM ELEMENTS (Legacy)
   ============================================ */

.form-select,
.form-input {
  padding: var(--space-md) var(--space-lg);
  border: var(--border-thin) solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast);
}

.form-select:focus,
.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-muted);
}

.form-select::placeholder,
.form-input::placeholder {
  color: var(--color-text-placeholder);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  cursor: pointer;
  font-size: var(--text-body);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.checkbox-label:hover {
  color: var(--color-text);
}

.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary);
}

/* ============================================
   COMMON BUTTONS (Legacy)
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-xl);
  border: var(--border-thin) solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  font-weight: var(--weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn:hover {
  background: var(--jt-tab-bg-hover);
  border-color: var(--color-border-strong);
  color: var(--color-text);
}

.btn:focus-visible {
  box-shadow: var(--jt-focus-ring);
}

.btn:active {
  transform: scale(0.98);
}

.btn svg {
  width: 14px;
  height: 14px;
}

.btn-sm {
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--text-body-sm);
}

.btn-sm svg {
  width: 12px;
  height: 12px;
}

.btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: var(--color-text-inverse);
}

.btn-secondary {
  background: transparent;
}

.btn-danger {
  background: var(--color-error);
  border-color: var(--color-error);
  color: var(--color-text-inverse);
}

.btn-danger:hover {
  background: var(--color-error-emphasis);
  border-color: var(--color-error-emphasis);
  color: var(--color-text-inverse);
}

/* ============================================
   GRID LAYOUTS
   ============================================ */

.module-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

@media (max-width: 768px) {
  .module-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   LUCIDE ICON DEFAULTS
   ============================================ */

.lucide {
  width: 1em;
  height: 1em;
  stroke-width: 2;
  stroke: currentColor;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: middle;
}

/* Icon sizes */
.icon-xs { width: 12px; height: 12px; }
.icon-sm { width: 14px; height: 14px; }
.icon-md { width: 16px; height: 16px; }
.icon-lg { width: 18px; height: 18px; }
.icon-xl { width: 20px; height: 20px; }
.icon-2xl { width: 24px; height: 24px; }

/* ============================================
   RESPONSIVE: TABLET
   ============================================ */

@media (max-width: 768px) {
  .json-toolbox__tabs {
    gap: var(--space-xs);
    padding: var(--space-md);
  }

  .json-toolbox__tab {
    flex: 1 1 calc(33.333% - 4px);
    min-width: 0;
    padding: var(--space-md) var(--space-sm);
  }

  .json-toolbox__tab-icon {
    width: 16px;
    height: 16px;
  }

  .json-toolbox__tab-label {
    font-size: 0.625rem;
  }

  .json-toolbox__panel {
    padding: var(--space-xl);
  }

  .json-toolbox__panels {
    min-height: 300px;
  }

  .jt-modal {
    width: 95%;
    max-height: 90vh;
  }

  .jt-modal__body {
    max-height: calc(90vh - 140px);
  }
}

/* ============================================
   RESPONSIVE: MOBILE
   ============================================ */

@media (max-width: 480px) {
  .json-toolbox__tabs {
    gap: var(--space-xs);
    padding: var(--space-sm);
  }

  .json-toolbox__tab {
    flex: 1 1 calc(33.333% - 2px);
    padding: var(--space-md) var(--space-sm);
    gap: var(--space-xs);
  }

  .json-toolbox__tab-icon {
    width: 14px;
    height: 14px;
  }

  .json-toolbox__tab-label {
    font-size: 0.5625rem;
  }

  .json-toolbox__panel {
    padding: var(--space-lg);
  }

  .json-toolbox__privacy {
    font-size: var(--text-caption);
    padding: var(--space-md) var(--space-lg);
  }

  .jt-module__options {
    flex-direction: column;
    align-items: stretch;
  }

  .jt-btn-group,
  .jt-module__actions {
    flex-direction: column;
  }

  .jt-btn-group .jt-btn,
  .jt-module__actions .json-toolbox__btn {
    width: 100%;
    justify-content: center;
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.hidden {
  display: none !important;
}

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

/* Text utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Spacing utilities */
.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

/* Flex utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* ============================================
   DEVELOPER ERGONOMICS PASS v1
   Target: Pro-grade developer tool density
   Goals:
   - Work area above fold (1366x768 + 1920x1080)
   - Pipeline flow (Input → Options → Action → Output)
   - Minimal chrome, maximal workspace
   - Zero-seconds onboarding for developers
   ============================================ */

/* Hide redundant section headers - tab labels are sufficient */
.json-toolbox__panel > .rubrik,
.json-toolbox__panel > .rubrik--underrubrik {
  display: none;
}

/* Tighter panel padding for density */
.json-toolbox__panel {
  padding: var(--space-lg) var(--space-xl);
}

/* Reduce min-height to allow above-fold fit */
.json-toolbox__panels {
  min-height: 280px;
}

/* Remove content margin-top since section header is hidden */
.json-toolbox__content {
  margin-top: 0;
}

/* Tighter module gaps for density */
.jt-module {
  gap: var(--space-lg);
}

/* Compact module headers */
.jt-module__header {
  padding-bottom: var(--space-md);
}

/* Smaller module section spacing */
.jt-module__section {
  margin-bottom: var(--space-lg);
}

/* ============================================
   PIPELINE FLOW LAYOUT
   Input → Options → Action → Output pattern
   ============================================ */

/* Two-column pipeline layout for larger screens */
.jt-pipeline {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: var(--space-lg);
}

.jt-pipeline__input {
  grid-column: 1;
  grid-row: 1 / 3;
}

.jt-pipeline__options {
  grid-column: 2;
  grid-row: 1;
}

.jt-pipeline__actions {
  grid-column: 2;
  grid-row: 2;
  align-self: start;
}

.jt-pipeline__output {
  grid-column: 1 / 3;
  grid-row: 3;
}

/* Single column on narrow screens */
@media (max-width: 768px) {
  .jt-pipeline {
    grid-template-columns: 1fr;
  }
  
  .jt-pipeline__input,
  .jt-pipeline__options,
  .jt-pipeline__actions,
  .jt-pipeline__output {
    grid-column: 1;
    grid-row: auto;
  }
}

/* ============================================
   COMPACT TEXTAREA HEIGHTS
   Fit above fold while remaining usable
   ============================================ */

/* Default compact textarea height */
.jt-textarea--compact {
  min-height: 120px;
  max-height: 180px;
  resize: vertical;
}

/* Taller textarea for primary work area */
.jt-textarea--primary {
  min-height: 160px;
  max-height: 240px;
  resize: vertical;
}

/* Side-by-side textareas (diff, etc.) */
.jt-textarea--split {
  min-height: 140px;
  max-height: 200px;
  resize: vertical;
}

/* ============================================
   COMPACT ACTION BAR
   Primary action prominent, secondaries subtle
   ============================================ */

.jt-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.jt-actions--compact {
  gap: var(--space-sm);
}

/* Primary action pill */
.jt-action-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  font-weight: var(--weight-semibold);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--elevation-1);
}

.jt-action-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--elevation-2);
}

.jt-action-primary:active {
  transform: scale(0.98);
}

.jt-action-primary:focus-visible {
  box-shadow: var(--jt-focus-ring);
}

.jt-action-primary svg {
  width: 16px;
  height: 16px;
  stroke-width: 2;
}

/* Secondary action (ghost) */
.jt-action-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: transparent;
  color: var(--color-text-secondary);
  border: var(--border-thin) solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: var(--text-body-sm);
  font-weight: var(--weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.jt-action-secondary:hover {
  background: var(--color-bg-subtle);
  border-color: var(--color-border-strong);
  color: var(--color-text);
}

.jt-action-secondary:focus-visible {
  box-shadow: var(--jt-focus-ring);
}

.jt-action-secondary svg {
  width: 14px;
  height: 14px;
  stroke-width: 1.75;
}

/* Icon-only action button */
.jt-action-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  background: transparent;
  color: var(--color-text-tertiary);
  border: var(--border-thin) solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.jt-action-icon:hover {
  background: var(--color-bg-subtle);
  color: var(--color-text);
  border-color: var(--color-border);
}

.jt-action-icon:focus-visible {
  box-shadow: var(--jt-focus-ring);
}

.jt-action-icon svg {
  width: 16px;
  height: 16px;
  stroke-width: 1.75;
}

/* ============================================
   COMPACT OPTIONS ROW
   Inline options for density
   ============================================ */

.jt-options-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-md) 0;
}

.jt-option {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-body-sm);
  color: var(--color-text-secondary);
}

.jt-option label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
}

.jt-option select,
.jt-option input[type="text"] {
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--text-body-sm);
  border: var(--border-thin) solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
}

.jt-option select:focus,
.jt-option input[type="text"]:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* Checkbox styling */
.jt-option input[type="checkbox"] {
  width: 14px;
  height: 14px;
  margin: 0;
  accent-color: var(--color-primary);
}

/* ============================================
   COMPACT HEADER BAR REFINEMENT
   Even more minimal for developer focus
   ============================================ */

/* Slightly smaller header padding */
.json-toolbox__header {
  padding: var(--space-sm) var(--space-lg);
}

/* Smaller title font */
.json-toolbox__title {
  font-size: var(--text-body);
}

/* Smaller title icon */
.json-toolbox__title-icon {
  width: 18px;
  height: 18px;
}

/* ============================================
   DENSITY ADJUSTMENTS FOR MODULES
   Applied to individual module CSS
   ============================================ */

/* CSV/XML/YAML direction toggles - more compact */
[class*="-module__direction"] {
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

[class*="-module__dir-btn"] {
  padding: var(--space-xs) var(--space-md);
  font-size: var(--text-body-sm);
}

/* Module option rows - tighter */
[class*="-module__options"] {
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

[class*="-module__option"] {
  gap: var(--space-sm);
}

/* Module action rows - tighter */
[class*="-module__actions"] {
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

/* Module textareas - constrained height */
[class*="-module__textarea"] {
  min-height: 140px;
  max-height: 200px;
}

/* Module labels - smaller, less prominent */
[class*="-module__label"] {
  margin-bottom: var(--space-sm);
}

[class*="-module__label-text"] {
  font-size: var(--text-body-sm);
  font-weight: var(--weight-medium);
}

/* ============================================
   ABOVE-FOLD OPTIMIZATION
   Ensure primary workflow fits on 1366x768
   ============================================ */

@media (max-height: 768px) {
  .json-toolbox__panels {
    min-height: 240px;
  }
  
  [class*="-module__textarea"] {
    min-height: 100px;
    max-height: 160px;
  }
}

@media (min-height: 900px) {
  .json-toolbox__panels {
    min-height: 320px;
  }
  
  [class*="-module__textarea"] {
    min-height: 160px;
    max-height: 280px;
  }
}