/* ============================================================================
   FORGE SYSTEM - ASCERTAIN Master Design System v1.0

   Consolidated design tokens, components, and utilities for ALL ASCERTAIN screens.
   Based on FORGE_STYLE_GUIDE.md v2.1

   "Trust is forged, not assumed."
   ============================================================================ */

/* ============================================================================
   1. DESIGN TOKENS (CSS Custom Properties)
   ============================================================================ */

:root {
  /* === FOUNDATION PALETTE (90% of surface area) ===
     Matched EXACTLY to forge-protocol.css for visual consistency */
  --forge-void: #0A0A0B;        /* Primary background, negative space */
  --forge-obsidian: #161618;    /* Card backgrounds, elevated surfaces */
  --forge-basalt: #1C1C1E;      /* Secondary containers, borders */
  --forge-slate: #2A2A2C;       /* Tertiary elements, dividers */

  /* === ACCENT PALETTE (10% of surface area) === */
  --forge-ember: #FF4D00;       /* Primary CTAs, heat seams */
  --forge-molten: #FF7A00;      /* Hover states, active indicators */
  --forge-gold: #FFB347;        /* Highlights, glyphs, brand accents */
  --forge-amber: #FFC94D;       /* Subtle glow, disabled-but-visible */

  /* === STATUS INDICATORS (Stoplight Convention) ===
     ONLY for: badges, verdict labels, gate dots, status indicators
     NEVER for: borders, backgrounds, message bubbles, decorative elements */
  --status-pass: #2EA043;       /* PASS / Clear */
  --status-flag: #F0B000;       /* FLAG / Warning */
  --status-block: #FF2D00;      /* BLOCK / Critical */

  /* === SEMANTIC COLORS === */
  --forge-heat-critical: #FF4D00;  /* Errors, destructive actions — matches forge-ember */
  --forge-cool-smoke: #4A4A52;     /* Muted text, disabled elements */
  --forge-ash: #A0A0A0;            /* Secondary text, timestamps (matched to --text-secondary) */
  --forge-silver: #F2F2F2;         /* Primary text (matched to --text-primary) */
  --forge-white: #FFFFFF;          /* Emphasis, headings */

  /* === GLOW EFFECTS === */
  --forge-glow-ember: 0 0 20px rgba(255, 77, 0, 0.4);
  --forge-glow-gold: 0 0 20px rgba(255, 184, 0, 0.4);
  --forge-glow-molten: 0 0 30px rgba(255, 122, 0, 0.5);
  --forge-glow-pass: 0 0 12px rgba(46, 160, 67, 0.5);
  --forge-glow-flag: 0 0 12px rgba(240, 176, 0, 0.5);
  --forge-glow-block: 0 0 12px rgba(255, 45, 0, 0.5);

  /* === TYPOGRAPHY === */
  --font-display: 'Inter Tight', 'SF Pro Display', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-heading: var(--font-display);  /* Alias for heading font */
  --font-body: 'Inter', 'SF Pro Text', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', 'Consolas', monospace;

  /* === TIMING FUNCTIONS === */
  --ease-forge-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-forge-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-forge-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-forge-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* === SPACING SCALE === */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  /* === BORDER RADII === */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* === SHADOWS (Elevation System) === */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.7);
  --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.8);

  /* === LAYOUT DIMENSIONS === */
  --topbar-height: 64px;
  --sidebar-width: 240px;
  --sidebar-collapsed: 56px;

  /* === SHORTHAND ALIASES (for cleaner code) ===
     Matched to forge-protocol.css for visual consistency */
  --void: var(--forge-void);
  --obsidian: var(--forge-obsidian);
  --basalt: var(--forge-basalt);
  --slate: var(--forge-slate);
  --ember: var(--forge-ember);
  --molten: var(--forge-molten);
  --gold: var(--forge-gold);
  --amber: var(--forge-amber);
  --ash: var(--forge-ash);
  --smoke: var(--forge-silver);

  /* === TEXT SIZE SCALE === */
  --text-xs: 11px;
  --text-sm: 13px;
  --text-base: 15px;
  --text-lg: 17px;
  --text-xl: 20px;
  --text-2xl: 24px;
  --text-3xl: 32px;

  /* === SPACING SHORTHAND === */
  --space-1: var(--space-xs);
  --space-2: var(--space-sm);
  --space-3: 12px;
  --space-4: var(--space-md);
  --space-5: 20px;
  --space-6: var(--space-lg);
  --space-7: var(--space-xl);
  --space-8: var(--space-2xl);
}

/* ============================================================================
   2. BASE STYLES & RESET
   ============================================================================ */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.6;
  color: var(--forge-silver);
  background: var(--forge-void);
  min-height: 100vh;
}

/* Links */
a {
  color: var(--forge-ember);
  text-decoration: none;
  transition: color 150ms var(--ease-forge-out);
}

a:hover {
  color: var(--forge-molten);
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--forge-white);
  line-height: 1.3;
}

h1 { font-size: 32px; font-weight: 700; }
h2 { font-size: 24px; }
h3 { font-size: 18px; }
h4 { font-size: 16px; }
h5 { font-size: 14px; }
h6 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em; }

/* Code */
code, pre {
  font-family: var(--font-mono);
  font-size: 13px;
}

code {
  background: var(--forge-basalt);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  color: var(--forge-gold);
}

pre {
  background: var(--forge-obsidian);
  border: 1px solid var(--forge-basalt);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  overflow-x: auto;
}

pre code {
  background: none;
  padding: 0;
}

/* Selection */
::selection {
  background: rgba(255, 184, 0, 0.3);
  color: var(--forge-white);
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--forge-void);
}

::-webkit-scrollbar-thumb {
  background: var(--forge-basalt);
  border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--forge-slate);
}

/* ============================================================================
   3. LAYOUT COMPONENTS
   ============================================================================ */

/* Page wrapper - sidebar offset handled by ForgeShell body padding */
.forge-page {
  margin-top: var(--topbar-height);
  min-height: calc(100vh - var(--topbar-height));
  padding: var(--space-lg);
}

/* Page header - sticky below topbar */
.forge-page-header {
  position: sticky;
  top: var(--topbar-height);
  z-index: 50;
  background-color: var(--forge-void);
  /* Break out of .forge-page padding for full-width coverage */
  margin: calc(-1 * var(--space-lg)) calc(-1 * var(--space-lg)) var(--space-xl);
  padding: var(--space-lg) var(--space-lg) var(--space-md);
  border-bottom: 1px solid var(--forge-basalt);
  /* Layout */
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.forge-page-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--forge-white);
}

/* Container */
.forge-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* Grid */
.forge-grid {
  display: grid;
  gap: var(--space-md);
}

.forge-grid-2 { grid-template-columns: repeat(2, 1fr); }
.forge-grid-3 { grid-template-columns: repeat(3, 1fr); }
.forge-grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ============================================================================
   4. NAVIGATION COMPONENTS (for forge-shell.js)
   ============================================================================ */

/* Topbar */
.forge-topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--topbar-height);
  background: var(--forge-void);
  border-bottom: 1px solid var(--forge-basalt);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-lg);
  z-index: 100;
}

.forge-topbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.forge-topbar-logo {
  color: var(--forge-gold);
  font-size: 18px;
}

.forge-topbar-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  background: linear-gradient(135deg, var(--forge-ember), var(--forge-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.12em;
}

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

.forge-user-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--forge-basalt);
  color: var(--forge-gold);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 150ms var(--ease-forge-out);
}

.forge-user-badge:hover {
  background: var(--forge-slate);
}

/* Sidebar */
.forge-sidebar {
  position: fixed;
  top: var(--topbar-height);
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--forge-void);
  border-right: 1px solid var(--forge-basalt);
  overflow-y: auto;
  z-index: 90;
  display: flex;
  flex-direction: column;
}

.forge-nav-section {
  padding: var(--space-md) var(--space-md) var(--space-xs);
}

.forge-nav-section-title {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--forge-cool-smoke);
  margin-bottom: var(--space-sm);
}

.forge-nav-list {
  list-style: none;
  padding: 0 var(--space-sm);
}

.forge-nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  color: var(--forge-ash);
  text-decoration: none;
  border-radius: var(--radius-md);
  margin-bottom: 2px;
  transition: all 150ms var(--ease-forge-out);
  font-size: 13px;
}

.forge-nav-item:hover {
  background: var(--forge-basalt);
  color: var(--forge-white);
}

.forge-nav-item.active {
  background: var(--forge-basalt);
  color: var(--forge-gold);
  border-left: 2px solid var(--forge-ember);
  margin-left: -2px;
}

.forge-nav-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ============================================================================
   5. BUTTON COMPONENTS
   ============================================================================ */

.forge-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 10px 20px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 150ms var(--ease-forge-out);
  text-decoration: none;
  white-space: nowrap;
}

.forge-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Primary button — Forge gradient style */
.forge-btn-primary {
  background: linear-gradient(180deg, #FF8C00 0%, #FF6200 100%);
  color: #000000;
  font-weight: 700;
  border-radius: 12px;
}

.forge-btn-primary:hover:not(:disabled) {
  background: linear-gradient(180deg, #FFA033 0%, #FF7A1A 100%);
  box-shadow: 0 4px 16px rgba(255, 122, 0, 0.4);
}

/* Secondary button */
.forge-btn-secondary {
  background: var(--forge-basalt);
  color: var(--forge-ash);
  border: 1px solid var(--forge-slate);
}

.forge-btn-secondary:hover:not(:disabled) {
  background: var(--forge-slate);
  color: var(--forge-white);
}

/* Ghost button */
.forge-btn-ghost {
  background: transparent;
  color: var(--forge-ash);
  padding: 8px 12px;
}

.forge-btn-ghost:hover:not(:disabled) {
  color: var(--forge-gold);
  background: rgba(255, 184, 0, 0.1);
}

/* Danger button — Forge gradient style */
.forge-btn-danger {
  background: linear-gradient(180deg, #FF8C00 0%, #FF6200 100%);
  color: #000000;
  font-weight: 700;
  border-radius: 12px;
}

.forge-btn-danger:hover:not(:disabled) {
  background: linear-gradient(180deg, #FFA033 0%, #FF7A1A 100%);
  box-shadow: 0 4px 16px rgba(255, 122, 0, 0.4);
}

/* Size variants */
.forge-btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.forge-btn-lg {
  padding: 14px 28px;
  font-size: 16px;
}

/* Icon-only button */
.forge-btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-md);
}

/* Search button - gradient accent style */
.search-btn {
  padding: var(--space-3) var(--space-5);
  background: linear-gradient(135deg, var(--forge-ember), var(--forge-gold));
  border: none;
  border-radius: var(--radius-md);
  color: var(--forge-void);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all 150ms var(--ease-forge-out);
  white-space: nowrap;
}

.search-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255, 184, 0, 0.3);
}

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

/* Clear button - icon style for search clear */
.clear-btn {
  padding: var(--space-3);
  background-color: transparent;
  border: 1px solid var(--forge-slate);
  border-radius: var(--radius-md);
  color: var(--forge-ash);
  cursor: pointer;
  transition: all 150ms var(--ease-forge-out);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.clear-btn:hover:not(:disabled) {
  border-color: var(--forge-ember);
  color: var(--forge-ember);
}

.clear-btn svg {
  width: 18px;
  height: 18px;
}

/* Info Tooltip - compact "i" icon that reveals info on hover */
.forge-info-tooltip {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background-color: var(--forge-basalt);
  border: 1px solid var(--forge-slate);
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}

.forge-info-tooltip:hover {
  border-color: var(--forge-gold);
  background-color: rgba(255, 184, 0, 0.1);
}

.forge-info-tooltip svg {
  width: 14px;
  height: 14px;
  color: var(--forge-ash);
}

.forge-info-tooltip:hover svg {
  color: var(--forge-gold);
}

.forge-info-tooltip-content {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  width: 380px;
  background-color: var(--forge-basalt);
  border: 1px solid var(--forge-slate);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: all 0.2s;
  z-index: 200;
}

.forge-info-tooltip:hover .forge-info-tooltip-content {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.forge-info-tooltip-content p {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--forge-smoke);
  line-height: 1.5;
}

.forge-info-tooltip-content strong {
  color: var(--forge-gold);
}

/* Compact Stats Bar - inline stat display */
.forge-stats-bar {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  background-color: var(--forge-basalt);
  border: 1px solid var(--forge-slate);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--forge-ash);
  margin-bottom: var(--space-md);
}

.forge-stats-inline {
  display: flex;
  gap: var(--space-md);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.forge-stats-inline-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.forge-stats-inline-value {
  font-weight: 600;
}

/* Clickable stat values (e.g. filter on click) */
.forge-stats-inline-value[data-filter] {
  cursor: pointer;
  border-radius: var(--radius-sm);
  padding: 1px 4px;
  transition: all 0.15s;
}

.forge-stats-inline-value[data-filter]:hover {
  background-color: rgba(255, 184, 0, 0.15);
}

.forge-stats-inline-value[data-filter].active-filter {
  background-color: rgba(255, 184, 0, 0.2);
  outline: 1px solid var(--forge-gold);
}

/* ============================================================================
   6. CARD COMPONENTS
   ============================================================================ */

.forge-card {
  background: var(--forge-obsidian);
  border: 1px solid var(--forge-basalt);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all 200ms var(--ease-forge-out);
}

.forge-card:hover {
  border-color: var(--forge-slate);
}

.forge-card-active,
.forge-card.active {
  border-color: var(--forge-ember);
  box-shadow: var(--forge-glow-ember);
}

.forge-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.forge-card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--forge-white);
}

.forge-card-body {
  color: var(--forge-ash);
}

.forge-card-footer {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--forge-basalt);
  display: flex;
  gap: var(--space-sm);
}

/* Clickable card */
.forge-card-clickable {
  cursor: pointer;
}

.forge-card-clickable:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ============================================================================
   7. FORM COMPONENTS
   ============================================================================ */

/* Input group */
.forge-input-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.forge-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--forge-ash);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Text input */
.forge-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--forge-void);
  border: 1px solid var(--forge-basalt);
  border-radius: var(--radius-md);
  color: var(--forge-white);
  font-family: var(--font-body);
  font-size: 14px;
  transition: all 150ms var(--ease-forge-out);
}

.forge-input:focus {
  outline: none;
  border-color: var(--forge-gold);
  box-shadow: 0 0 0 3px rgba(255, 184, 0, 0.15);
}

.forge-input::placeholder {
  color: var(--forge-cool-smoke);
}

.forge-input:disabled {
  background: var(--forge-basalt);
  color: var(--forge-cool-smoke);
  cursor: not-allowed;
}

/* Textarea */
.forge-textarea {
  min-height: 100px;
  resize: vertical;
}

/* Select */
.forge-select {
  width: 100%;
  padding: 12px 16px;
  padding-right: 36px;
  background: var(--forge-void);
  border: 1px solid var(--forge-basalt);
  border-radius: var(--radius-md);
  color: var(--forge-white);
  font-family: var(--font-body);
  font-size: 14px;
  transition: all 150ms var(--ease-forge-out);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238A8A92' d='M6 8L2 4h8z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  cursor: pointer;
}

.forge-select:focus {
  outline: none;
  border-color: var(--forge-gold);
  box-shadow: 0 0 0 3px rgba(255, 184, 0, 0.15);
}

.forge-select option {
  background: var(--forge-obsidian);
  color: var(--forge-white);
  padding: 8px 12px;
}

/* Checkbox & Radio */
.forge-checkbox,
.forge-radio {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  font-size: 14px;
  color: var(--forge-ash);
}

.forge-checkbox input,
.forge-radio input {
  width: 18px;
  height: 18px;
  accent-color: var(--forge-ember);
  cursor: pointer;
}

/* Toggle switch */
.forge-toggle {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.forge-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.forge-toggle-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--forge-basalt);
  border-radius: var(--radius-full);
  transition: 200ms var(--ease-forge-out);
}

.forge-toggle-slider::before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background: var(--forge-ash);
  border-radius: 50%;
  transition: 200ms var(--ease-forge-out);
}

.forge-toggle input:checked + .forge-toggle-slider {
  background: var(--forge-ember);
}

.forge-toggle input:checked + .forge-toggle-slider::before {
  transform: translateX(20px);
  background: var(--forge-white);
}

.forge-toggle input:focus-visible + .forge-toggle-slider {
  outline: 2px solid var(--forge-gold);
  outline-offset: 2px;
}

/* Range slider */
.forge-range {
  width: 100%;
  height: 6px;
  background: var(--forge-basalt);
  border-radius: var(--radius-full);
  appearance: none;
}

.forge-range::-webkit-slider-thumb {
  appearance: none;
  width: 18px;
  height: 18px;
  background: var(--forge-ember);
  border-radius: 50%;
  cursor: pointer;
  transition: all 150ms var(--ease-forge-out);
}

.forge-range::-webkit-slider-thumb:hover {
  transform: scale(1.1);
  box-shadow: var(--forge-glow-ember);
}

/* ============================================================================
   8. TABLE COMPONENTS
   ============================================================================ */

.forge-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.forge-table th,
.forge-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--forge-basalt);
}

.forge-table th {
  background: var(--forge-basalt);
  color: var(--forge-ash);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.forge-table tbody tr {
  transition: background 150ms var(--ease-forge-out);
}

.forge-table tbody tr:hover {
  background: var(--forge-obsidian);
}

.forge-table tbody td {
  color: var(--forge-silver);
}

/* Table variants */
.forge-table-compact th,
.forge-table-compact td {
  padding: 8px 12px;
}

.forge-table-striped tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

/* ============================================================================
   9. BADGE COMPONENTS
   ============================================================================ */

.forge-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 600;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
  background: var(--forge-basalt);
  color: var(--forge-ash);
}

/* Status badges - stoplight colors */
.forge-badge-pass {
  background: rgba(46, 160, 67, 0.15);
  color: var(--status-pass);
}

.forge-badge-flag {
  background: rgba(240, 176, 0, 0.15);
  color: var(--status-flag);
}

.forge-badge-block {
  background: rgba(255, 45, 0, 0.15);
  color: var(--status-block);
}

/* Accent badges */
.forge-badge-ember {
  background: rgba(255, 77, 0, 0.15);
  color: var(--forge-ember);
}

.forge-badge-gold {
  background: rgba(255, 184, 0, 0.15);
  color: var(--forge-gold);
}

/* Size variants */
.forge-badge-sm {
  padding: 2px 6px;
  font-size: 9px;
}

.forge-badge-lg {
  padding: 6px 14px;
  font-size: 13px;
}

/* ============================================================================
   10. TAB COMPONENTS
   ============================================================================ */

.forge-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--forge-basalt);
  margin-bottom: var(--space-lg);
}

.forge-tab {
  padding: 12px 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--forge-ash);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all 150ms var(--ease-forge-out);
  margin-bottom: -1px;
}

.forge-tab:hover {
  color: var(--forge-white);
}

.forge-tab.active,
.forge-tab[aria-selected="true"] {
  color: var(--forge-ember);
  border-bottom-color: var(--forge-ember);
}

.forge-tab-panel {
  display: none;
}

.forge-tab-panel.active,
.forge-tab-panel[aria-hidden="false"] {
  display: block;
}

/* ============================================================================
   11. MODAL COMPONENTS
   ============================================================================ */

.forge-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 200ms var(--ease-forge-out);
}

.forge-modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.forge-modal {
  background: var(--forge-obsidian);
  border: 1px solid var(--forge-basalt);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 500px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
  transform: translateY(20px);
  transition: transform 200ms var(--ease-forge-out);
}

.forge-modal-backdrop.open .forge-modal {
  transform: translateY(0);
}

.forge-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--forge-basalt);
}

.forge-modal-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--forge-white);
}

.forge-modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  color: var(--forge-ash);
  cursor: pointer;
  font-size: 20px;
  transition: all 150ms var(--ease-forge-out);
}

.forge-modal-close:hover {
  background: var(--forge-basalt);
  color: var(--forge-white);
}

.forge-modal-body {
  flex: 1;
  padding: var(--space-lg);
  overflow-y: auto;
}

.forge-modal-footer {
  display: flex;
  gap: var(--space-sm);
  justify-content: flex-end;
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--forge-basalt);
}

/* Modal size variants */
.forge-modal-sm {
  max-width: 400px;
}

.forge-modal-lg {
  max-width: 700px;
}

.forge-modal-xl {
  max-width: 900px;
}

/* ============================================================================
   12. TAG COMPONENTS (for categories)
   ============================================================================ */

.forge-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-sm);
  background: var(--forge-basalt);
  color: var(--forge-ash);
}

/* Category-specific tags */
.forge-tag-constraint {
  background: rgba(255, 184, 0, 0.15);
  color: var(--forge-amber);
}

.forge-tag-style {
  background: rgba(138, 138, 146, 0.15);
  color: var(--forge-ash);
}

.forge-tag-persona {
  background: rgba(46, 160, 67, 0.15);
  color: var(--status-pass);
}

.forge-tag-safety {
  background: rgba(255, 45, 0, 0.15);
  color: var(--forge-heat-critical);
}

/* ============================================================================
   13. PROGRESS COMPONENTS
   ============================================================================ */

.forge-progress {
  height: 8px;
  background: var(--forge-basalt);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.forge-progress-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 300ms var(--ease-forge-out);
  background: var(--forge-ember);
}

/* Progress variants */
.forge-progress-pass .forge-progress-fill {
  background: var(--status-pass);
}

.forge-progress-flag .forge-progress-fill {
  background: var(--status-flag);
}

.forge-progress-gradient .forge-progress-fill {
  background: linear-gradient(90deg, var(--status-flag), var(--status-pass));
}

/* Progress dots */
.forge-progress-dots {
  display: flex;
  gap: 4px;
  align-items: center;
}

.forge-progress-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--forge-basalt);
  transition: all 200ms var(--ease-forge-out);
}

.forge-progress-dot.filled {
  background: var(--forge-gold);
}

/* ============================================================================
   14. EMPTY STATE COMPONENTS
   ============================================================================ */

.forge-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
  text-align: center;
  border: 1px dashed var(--forge-basalt);
  border-radius: var(--radius-lg);
}

.forge-empty-icon {
  font-size: 48px;
  color: var(--forge-cool-smoke);
  margin-bottom: var(--space-md);
}

.forge-empty-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--forge-ash);
  margin-bottom: var(--space-sm);
}

.forge-empty-text {
  font-size: 14px;
  color: var(--forge-cool-smoke);
  margin-bottom: var(--space-lg);
  max-width: 300px;
}

/* ============================================================================
   15. LOADING & ANIMATION COMPONENTS
   ============================================================================ */

/* Spinner */
.forge-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--forge-basalt);
  border-top-color: var(--forge-gold);
  border-radius: 50%;
  animation: forge-spin 0.8s linear infinite;
}

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

/* Pulse animation */
@keyframes forge-pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

.forge-pulse {
  animation: forge-pulse 1.5s var(--ease-forge-in-out) infinite;
}

/* Skeleton loading */
.forge-skeleton {
  background: linear-gradient(90deg,
    var(--forge-basalt) 25%,
    var(--forge-slate) 50%,
    var(--forge-basalt) 75%
  );
  background-size: 200% 100%;
  animation: forge-shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

@keyframes forge-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.forge-skeleton-text {
  height: 14px;
  margin-bottom: 8px;
}

.forge-skeleton-text:last-child {
  width: 60%;
}

/* ============================================================================
   16. UTILITY CLASSES
   ============================================================================ */

/* Display */
.hidden { display: none !important; }
.block { display: block; }
.inline { display: inline; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }

/* Flex utilities */
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }
.flex-shrink-0 { flex-shrink: 0; }
.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }

/* Gap */
.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* Margin */
.m-0 { margin: 0; }
.m-xs { margin: var(--space-xs); }
.m-sm { margin: var(--space-sm); }
.m-md { margin: var(--space-md); }
.m-lg { margin: var(--space-lg); }
.mt-0 { margin-top: 0; }
.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-0 { margin-bottom: 0; }
.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }

/* Padding */
.p-0 { padding: 0; }
.p-xs { padding: var(--space-xs); }
.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.pt-md { padding-top: var(--space-md); }
.pb-md { padding-bottom: var(--space-md); }

/* Width & Height */
.w-full { width: 100%; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }

/* Text colors */
.text-void { color: var(--forge-void); }
.text-obsidian { color: var(--forge-obsidian); }
.text-basalt { color: var(--forge-basalt); }
.text-cool-smoke { color: var(--forge-cool-smoke); }
.text-ash { color: var(--forge-ash); }
.text-silver { color: var(--forge-silver); }
.text-white { color: var(--forge-white); }
.text-ember { color: var(--forge-ember); }
.text-molten { color: var(--forge-molten); }
.text-gold { color: var(--forge-gold); }
.text-heat-critical { color: var(--forge-heat-critical); }
.text-status-pass { color: var(--status-pass); }
.text-status-flag { color: var(--status-flag); }
.text-status-block { color: var(--status-block); }

/* Background colors */
.bg-void { background-color: var(--forge-void); }
.bg-obsidian { background-color: var(--forge-obsidian); }
.bg-basalt { background-color: var(--forge-basalt); }
.bg-slate { background-color: var(--forge-slate); }

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

/* Font utilities */
.font-display { font-family: var(--font-display); }
.font-body { font-family: var(--font-body); }
.font-mono { font-family: var(--font-mono); }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.text-xs { font-size: 11px; }
.text-sm { font-size: 13px; }
.text-base { font-size: 14px; }
.text-lg { font-size: 16px; }
.text-xl { font-size: 18px; }
.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }
.tracking-wide { letter-spacing: 0.05em; }
.tracking-wider { letter-spacing: 0.1em; }

/* Border utilities */
.border { border: 1px solid var(--forge-basalt); }
.border-t { border-top: 1px solid var(--forge-basalt); }
.border-b { border-bottom: 1px solid var(--forge-basalt); }
.border-l { border-left: 1px solid var(--forge-basalt); }
.border-r { border-right: 1px solid var(--forge-basalt); }
.border-basalt { border-color: var(--forge-basalt); }
.border-slate { border-color: var(--forge-slate); }
.border-ember { border-color: var(--forge-ember); }
.border-gold { border-color: var(--forge-gold); }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

/* Cursor */
.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-y-auto { overflow-y: auto; }
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ============================================================================
   17. STATUS INDICATOR CLASSES
   ============================================================================ */

/* Status dot indicator */
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--forge-cool-smoke);
}

.status-dot-pass { background: var(--status-pass); }
.status-dot-flag { background: var(--status-flag); }
.status-dot-block { background: var(--status-block); }
.status-dot-active { background: var(--forge-gold); }

/* Status text */
.status-pass { color: var(--status-pass); }
.status-flag { color: var(--status-flag); }
.status-block { color: var(--status-block); }
.status-pending { color: var(--forge-ash); }
.status-active { color: var(--forge-gold); }

/* ============================================================================
   18. RESPONSIVE BREAKPOINTS
   ============================================================================ */

/* Tablet: 768px - 1200px */
@media (max-width: 1200px) {
  .forge-sidebar {
    transform: translateX(-100%);
    transition: transform 250ms var(--ease-forge-out);
  }

  .forge-sidebar.open {
    transform: translateX(0);
  }

  .forge-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile: < 768px */
@media (max-width: 768px) {
  :root {
    --topbar-height: 48px;
  }

  .forge-page {
    padding: var(--space-md);
  }

  .forge-page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
    /* Match mobile .forge-page padding */
    margin: calc(-1 * var(--space-md)) calc(-1 * var(--space-md)) var(--space-lg);
    padding: var(--space-md) var(--space-md) var(--space-sm);
  }

  .forge-grid-2,
  .forge-grid-3,
  .forge-grid-4 {
    grid-template-columns: 1fr;
  }

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

  .forge-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .forge-tab {
    padding: 10px 16px;
    font-size: 12px;
    white-space: nowrap;
  }
}

/* ============================================================================
   19. ACCESSIBILITY
   ============================================================================ */

/* Focus states */
:focus-visible {
  outline: 2px solid var(--forge-gold);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

/* Skip link */
.forge-skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  padding: 12px 24px;
  background: var(--forge-gold);
  color: var(--forge-void);
  font-weight: 600;
  z-index: 9999;
  border-radius: var(--radius-sm);
  text-decoration: none;
}

.forge-skip-link:focus {
  top: 12px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .forge-spinner {
    animation: none;
    border-top-color: var(--forge-gold);
  }
}

/* Screen reader only */
.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;
}

/* ============================================================================
   20. SURFACE ELEVATION SYSTEM
   ============================================================================ */

.forge-surface-0 {
  background: var(--forge-void);
}

.forge-surface-1 {
  background: var(--forge-obsidian);
  box-shadow: var(--shadow-sm);
}

.forge-surface-2 {
  background: var(--forge-basalt);
  box-shadow: var(--shadow-md);
}

.forge-surface-3 {
  background: var(--forge-slate);
  box-shadow: var(--shadow-lg);
}

/* ============================================================================
   21. PRINT STYLES
   ============================================================================ */

@media print {
  body {
    background: white;
    color: black;
  }

  .forge-topbar,
  .forge-sidebar,
  .forge-btn,
  .forge-modal-backdrop {
    display: none !important;
  }

  .forge-page {
    margin: 0;
    padding: 0;
  }

  .forge-page-header {
    position: static;
    margin: 0;
    border-bottom: 1px solid #ccc;
  }

  .forge-card {
    border: 1px solid #ccc;
    break-inside: avoid;
  }
}