/* style.css — AI Eval Framework Design System */

/* ============================================
   FONTS
   ============================================ */
:root {
  --font-display: 'Instrument Serif', 'Georgia', serif;
  --font-body: 'DM Sans', 'Helvetica Neue', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* ============================================
   TYPE SCALE
   ============================================ */
:root {
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.9rem  + 0.5vw,  1.125rem);
  --text-lg:   clamp(1.125rem, 0.95rem + 0.85vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1rem    + 1.5vw,  2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    8rem);
}

/* ============================================
   4px SPACING SYSTEM
   ============================================ */
:root {
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
}

/* ============================================
   NEXUS COLOR PALETTE — LIGHT MODE
   ============================================ */
:root, [data-theme="light"] {
  --color-bg:             #f7f6f2;
  --color-surface:        #f9f8f5;
  --color-surface-2:      #fbfbf9;
  --color-surface-offset: #f3f0ec;
  --color-surface-offset-2: #edeae5;
  --color-surface-dynamic: #e6e4df;
  --color-divider:        #dcd9d5;
  --color-border:         #d4d1ca;

  --color-text:           #28251d;
  --color-text-muted:     #7a7974;
  --color-text-faint:     #bab9b4;
  --color-text-inverse:   #f9f8f4;

  --color-primary:        #01696f;
  --color-primary-hover:  #0c4e54;
  --color-primary-active: #0f3638;
  --color-primary-highlight: #cedcd8;

  --color-warning:        #964219;
  --color-warning-hover:  #713417;
  --color-warning-active: #4b2614;
  --color-warning-highlight: #ddcfc6;

  --color-error:          #a12c7b;
  --color-error-hover:    #7d1e5e;
  --color-error-active:   #561740;
  --color-error-highlight: #e0ced7;

  --color-notification:   #a13544;
  --color-notification-hover: #782b33;
  --color-notification-active: #521f24;
  --color-notification-highlight: #dececb;

  --color-orange:         #da7101;
  --color-orange-hover:   #c55700;
  --color-orange-active:  #ac3e00;
  --color-orange-highlight: #e7d7c4;

  --color-gold:           #d19900;
  --color-gold-hover:     #b07a00;
  --color-gold-active:    #8a5b00;
  --color-gold-highlight: #e9e0c6;

  --color-yellow:         #d19900;
  --color-yellow-hover:   #b07a00;
  --color-yellow-active:  #8a5b00;
  --color-yellow-highlight: #e6ddc4;

  --color-success:        #437a22;
  --color-success-hover:  #2e5c10;
  --color-success-active: #1e3f0a;
  --color-success-highlight: #d4dfcc;

  --color-blue:           #006494;
  --color-blue-hover:     #0b5177;
  --color-blue-active:    #0b3751;
  --color-blue-highlight: #c6d8e4;

  --color-purple:         #7a39bb;
  --color-purple-hover:   #5f2699;
  --color-purple-active:  #431673;
  --color-purple-highlight: #dacfde;

  /* Evaluation RAG colors */
  --eval-good:    #22c55e;
  --eval-good-bg: #dcfce7;
  --eval-adequate: #f59e0b;
  --eval-adequate-bg: #fef3c7;
  --eval-poor:    #ef4444;
  --eval-poor-bg: #fee2e2;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px oklch(0.2 0.01 80 / 0.06);
  --shadow-md: 0 4px 12px oklch(0.2 0.01 80 / 0.08);
  --shadow-lg: 0 12px 32px oklch(0.2 0.01 80 / 0.12);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;
}

/* ============================================
   DARK MODE
   ============================================ */
[data-theme="dark"] {
  --color-bg:             #171614;
  --color-surface:        #1c1b19;
  --color-surface-2:      #201f1d;
  --color-surface-offset: #1d1c1a;
  --color-surface-offset-2: #22211f;
  --color-surface-dynamic: #2d2c2a;
  --color-divider:        #262523;
  --color-border:         #393836;

  --color-text:           #cdccca;
  --color-text-muted:     #797876;
  --color-text-faint:     #5a5957;
  --color-text-inverse:   #2b2a28;

  --color-primary:        #4f98a3;
  --color-primary-hover:  #227f8b;
  --color-primary-active: #1a626b;
  --color-primary-highlight: #313b3b;

  --color-warning:        #bb653b;
  --color-warning-hover:  #b95525;
  --color-warning-active: #993d10;
  --color-warning-highlight: #564942;

  --color-error:          #d163a7;
  --color-error-hover:    #b9478f;
  --color-error-active:   #9b2f76;
  --color-error-highlight: #4c3d46;

  --color-notification:   #dd6974;
  --color-notification-hover: #c24a59;
  --color-notification-active: #a53142;
  --color-notification-highlight: #574848;

  --color-orange:         #fdab43;
  --color-orange-hover:   #fec47e;
  --color-orange-active:  #fdd1a4;
  --color-orange-highlight: #564b3e;

  --color-gold:           #e8af34;
  --color-gold-hover:     #fdc551;
  --color-gold-active:    #feda74;
  --color-gold-highlight: #4d4332;

  --color-yellow:         #edb336;
  --color-yellow-hover:   #fdc452;
  --color-yellow-active:  #feda74;
  --color-yellow-highlight: #574e3d;

  --color-success:        #6daa45;
  --color-success-hover:  #4d8f25;
  --color-success-active: #387015;
  --color-success-highlight: #3a4435;

  --color-blue:           #5591c7;
  --color-blue-hover:     #3b78ab;
  --color-blue-active:    #275f8e;
  --color-blue-highlight: #3a4550;

  --color-purple:         #a86fdf;
  --color-purple-hover:   #9250d0;
  --color-purple-active:  #7537ba;
  --color-purple-highlight: #4e4652;

  /* Evaluation RAG colors — dark mode */
  --eval-good:    #4ade80;
  --eval-good-bg: #14532d;
  --eval-adequate: #fbbf24;
  --eval-adequate-bg: #713f12;
  --eval-poor:    #f87171;
  --eval-poor-bg: #7f1d1d;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.2);
  --shadow-md: 0 4px 12px oklch(0 0 0 / 0.3);
  --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.4);
}

/* System preference fallback */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:             #171614;
    --color-surface:        #1c1b19;
    --color-surface-2:      #201f1d;
    --color-surface-offset: #1d1c1a;
    --color-surface-offset-2: #22211f;
    --color-surface-dynamic: #2d2c2a;
    --color-divider:        #262523;
    --color-border:         #393836;
    --color-text:           #cdccca;
    --color-text-muted:     #797876;
    --color-text-faint:     #5a5957;
    --color-text-inverse:   #2b2a28;
    --color-primary:        #4f98a3;
    --color-primary-hover:  #227f8b;
    --color-primary-active: #1a626b;
    --color-primary-highlight: #313b3b;
    --color-warning:        #bb653b;
    --color-warning-hover:  #b95525;
    --color-warning-active: #993d10;
    --color-warning-highlight: #564942;
    --color-error:          #d163a7;
    --color-error-hover:    #b9478f;
    --color-error-active:   #9b2f76;
    --color-error-highlight: #4c3d46;
    --color-notification:   #dd6974;
    --color-notification-hover: #c24a59;
    --color-notification-active: #a53142;
    --color-notification-highlight: #574848;
    --color-orange:         #fdab43;
    --color-orange-hover:   #fec47e;
    --color-orange-active:  #fdd1a4;
    --color-orange-highlight: #564b3e;
    --color-gold:           #e8af34;
    --color-gold-hover:     #fdc551;
    --color-gold-active:    #feda74;
    --color-gold-highlight: #4d4332;
    --color-yellow:         #edb336;
    --color-yellow-hover:   #fdc452;
    --color-yellow-active:  #feda74;
    --color-yellow-highlight: #574e3d;
    --color-success:        #6daa45;
    --color-success-hover:  #4d8f25;
    --color-success-active: #387015;
    --color-success-highlight: #3a4435;
    --color-blue:           #5591c7;
    --color-blue-hover:     #3b78ab;
    --color-blue-active:    #275f8e;
    --color-blue-highlight: #3a4550;
    --color-purple:         #a86fdf;
    --color-purple-hover:   #9250d0;
    --color-purple-active:  #7537ba;
    --color-purple-highlight: #4e4652;
    --eval-good:    #4ade80;
    --eval-good-bg: #14532d;
    --eval-adequate: #fbbf24;
    --eval-adequate-bg: #713f12;
    --eval-poor:    #f87171;
    --eval-poor-bg: #7f1d1d;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.2);
    --shadow-md: 0 4px 12px oklch(0 0 0 / 0.3);
    --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.4);
  }
}

/* ============================================
   GLOBAL STYLES
   ============================================ */
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
a:hover {
  color: var(--color-primary-hover);
}

/* ============================================
   NAVIGATION
   ============================================ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in oklab, var(--color-bg) 85%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
  padding: var(--space-3) var(--space-6);
}
.nav-inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}
.nav-logo svg {
  width: 28px;
  height: 28px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
  margin-left: auto;
}
.nav-links a, .nav-links button.nav-link-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive), background var(--transition-interactive);
  white-space: nowrap;
}
.nav-links a:hover, .nav-links button.nav-link-btn:hover {
  color: var(--color-text);
  background: var(--color-surface-dynamic);
}
.nav-links a.active {
  color: var(--color-text);
  background: var(--color-surface-offset);
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: var(--color-text-inverse) !important;
  font-weight: 600;
  font-size: var(--text-sm);
  text-decoration: none;
  transition: background var(--transition-interactive);
}
.nav-cta:hover {
  background: var(--color-primary-hover);
  color: var(--color-text-inverse) !important;
}

/* Theme toggle */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-dynamic);
}
.theme-toggle svg {
  width: 18px;
  height: 18px;
}

/* Mobile nav */
.mobile-menu-btn {
  display: none;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}
@media (max-width: 767px) {
  .mobile-menu-btn { display: inline-flex; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-divider);
    padding: var(--space-4);
    box-shadow: var(--shadow-lg);
    z-index: 99;
  }
}

/* ============================================
   MAIN LAYOUT
   ============================================ */
.app-view { display: none; }
.app-view.active { display: block; }

main {
  min-height: calc(100dvh - 56px);
}

.container {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
.container--wide {
  max-width: var(--content-wide);
}
.container--narrow {
  max-width: var(--content-narrow);
}

.section {
  padding-block: clamp(var(--space-8), 6vw, var(--space-24));
}

/* ============================================
   HERO SECTION (Landing)
   ============================================ */
.hero {
  padding-block: clamp(var(--space-12), 8vw, var(--space-32));
  text-align: center;
}
.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  color: var(--color-text);
  max-width: 18ch;
  margin-inline: auto;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-6);
}
.hero-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 52ch;
  margin-inline: auto;
  margin-bottom: var(--space-8);
  line-height: 1.5;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-weight: 600;
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: background var(--transition-interactive), transform var(--transition-interactive);
}
.hero-cta:hover {
  background: var(--color-primary-hover);
  color: var(--color-text-inverse);
  transform: translateY(-1px);
}
.hero-cta:active {
  transform: translateY(0);
}

/* ============================================
   DIMENSION CARDS
   ============================================ */
.dimensions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
  gap: var(--space-6);
}
.dim-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: box-shadow var(--transition-interactive), border-color var(--transition-interactive);
}
.dim-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-border);
}
.dim-card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}
.dim-card-icon svg {
  width: 20px;
  height: 20px;
}
.dim-card h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.dim-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-3);
}
.dim-card-detail {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.dim-card-detail strong {
  color: var(--color-text);
  font-weight: 600;
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-text);
  text-align: center;
  margin-bottom: var(--space-3);
}
.section-subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  text-align: center;
  max-width: 55ch;
  margin-inline: auto;
  margin-bottom: var(--space-10);
}

/* ============================================
   WHY 5 DIMENSIONS
   ============================================ */
.why-section {
  background: var(--color-surface-offset);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
  gap: var(--space-6);
}
.why-card {
  padding: var(--space-5);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
}
.why-card h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.why-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ============================================
   METHODOLOGY PAGE
   ============================================ */
.methodology-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--space-8);
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
@media (max-width: 767px) {
  .methodology-layout {
    grid-template-columns: 1fr;
  }
  .method-sidebar { display: none; }
}
.method-sidebar {
  position: sticky;
  top: 80px;
  align-self: start;
  max-height: calc(100dvh - 100px);
  overflow-y: auto;
}
.method-sidebar nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.method-sidebar nav a {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: color var(--transition-interactive), background var(--transition-interactive);
  border-left: 2px solid transparent;
}
.method-sidebar nav a:hover {
  color: var(--color-text);
  background: var(--color-surface-dynamic);
}
.method-sidebar nav a.active {
  color: var(--color-primary);
  border-left-color: var(--color-primary);
  background: var(--color-primary-highlight);
}
.method-content {
  max-width: 72ch;
}
.method-content h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  margin-top: var(--space-12);
  margin-bottom: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
  color: var(--color-text);
}
.method-content h2:first-child {
  margin-top: 0;
  border-top: none;
  padding-top: 0;
}
.method-content h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
  color: var(--color-text);
}
.method-content h4 {
  font-size: var(--text-base);
  font-weight: 600;
  margin-top: var(--space-6);
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.method-content p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}
.method-content ul, .method-content ol {
  padding-left: var(--space-6);
  margin-bottom: var(--space-4);
}
.method-content li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-2);
}
.method-content code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  padding: var(--space-1) var(--space-2);
  background: var(--color-surface-offset);
  border-radius: var(--radius-sm);
  color: var(--color-primary);
}
.method-content blockquote {
  border-left: 3px solid var(--color-primary);
  padding-left: var(--space-4);
  margin: var(--space-4) 0;
  color: var(--color-text-muted);
  font-style: italic;
}
.method-content .glossary-term {
  margin-bottom: var(--space-4);
}
.method-content .glossary-term dt {
  font-weight: 600;
  color: var(--color-text);
  font-size: var(--text-sm);
}
.method-content .glossary-term dd {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-left: 0;
  margin-top: var(--space-1);
}

/* ============================================
   TEST CASES PAGE
   ============================================ */
.tc-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  align-items: center;
}
.tc-filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.tc-filter-group label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.tc-filter-group select, .tc-filter-group input[type="text"] {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font-size: var(--text-sm);
  color: var(--color-text);
  min-width: 160px;
  transition: border-color var(--transition-interactive);
}
.tc-filter-group select:focus, .tc-filter-group input:focus {
  border-color: var(--color-primary);
  outline: none;
}
.tc-count {
  margin-left: auto;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums lining-nums;
}

.tc-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.tc-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-interactive);
}
.tc-card:hover {
  border-color: var(--color-border);
}
.tc-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  cursor: pointer;
  user-select: none;
}
.tc-card-header:hover, .tc-card-header:focus-visible {
  background: var(--color-surface-offset);
  outline: none;
}
.tc-card-header:focus-visible {
  box-shadow: inset 0 0 0 2px var(--color-primary);
}
.tc-card-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  flex: 1;
}
.tc-card-tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  flex-shrink: 0;
}
.tc-card-chevron {
  color: var(--color-text-faint);
  transition: transform var(--transition-interactive);
  flex-shrink: 0;
}
.tc-card.open .tc-card-chevron {
  transform: rotate(180deg);
}
.tc-card-body {
  display: none;
  padding: 0 var(--space-5) var(--space-5);
  border-top: 1px solid var(--color-divider);
}
.tc-card.open .tc-card-body {
  display: block;
}
.tc-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-4);
}
@media (max-width: 767px) {
  .tc-detail-grid { grid-template-columns: 1fr; }
}
.tc-detail-item h5 {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}
.tc-detail-item p, .tc-detail-item ul {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.6;
}
.tc-detail-item ul {
  padding-left: var(--space-4);
}
.tc-detail-item li {
  margin-bottom: var(--space-1);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  line-height: 1;
}
.badge--system {
  background: var(--color-primary-highlight);
  color: var(--color-primary);
}
.badge--accuracy {
  background: var(--color-blue-highlight);
  color: var(--color-blue);
}
.badge--consistency {
  background: var(--color-purple-highlight);
  color: var(--color-purple);
}
.badge--safety {
  background: var(--color-notification-highlight);
  color: var(--color-notification);
}
.badge--alignment {
  background: var(--color-success-highlight);
  color: var(--color-success);
}
.badge--robustness {
  background: var(--color-orange-highlight);
  color: var(--color-orange);
}
.badge--basic {
  background: var(--eval-good-bg);
  color: var(--eval-good);
}
.badge--intermediate {
  background: var(--eval-adequate-bg);
  color: var(--eval-adequate);
}
.badge--adversarial {
  background: var(--eval-poor-bg);
  color: var(--eval-poor);
}

/* ============================================
   AUTH PAGES
   ============================================ */
.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100dvh - 56px);
  padding: var(--space-6);
}
.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}
.auth-card h2 {
  font-family: var(--font-body);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.auth-card .auth-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

/* ============================================
   FORM COMPONENTS
   ============================================ */
.form-group {
  margin-bottom: var(--space-4);
}
.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  font-size: var(--text-sm);
  color: var(--color-text);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.form-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-highlight);
  outline: none;
}
.form-input::placeholder {
  color: var(--color-text-faint);
}
textarea.form-input {
  resize: vertical;
  min-height: 80px;
}
.form-error {
  font-size: var(--text-xs);
  color: var(--eval-poor);
  margin-top: var(--space-1);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-interactive);
  border: none;
  text-decoration: none;
  white-space: nowrap;
}
.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
}
.btn--primary:active {
  background: var(--color-primary-active);
}
.btn--secondary {
  background: var(--color-surface-dynamic);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn--secondary:hover {
  background: var(--color-surface-offset-2);
}
.btn--danger {
  background: var(--eval-poor);
  color: #fff;
}
.btn--danger:hover {
  opacity: 0.9;
}
.btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
}
.btn--ghost:hover {
  background: var(--color-surface-dynamic);
  color: var(--color-text);
}
.btn--full {
  width: 100%;
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ============================================
   BUILDER / WIZARD
   ============================================ */
.wizard-progress {
  display: flex;
  gap: var(--space-1);
  margin-bottom: var(--space-8);
  padding: 0 var(--space-4);
}
.wizard-step-indicator {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  position: relative;
}
.wizard-step-dot {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-faint);
  background: var(--color-surface);
  transition: all var(--transition-interactive);
  font-variant-numeric: tabular-nums;
}
.wizard-step-indicator.active .wizard-step-dot {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-highlight);
}
.wizard-step-indicator.completed .wizard-step-dot {
  border-color: var(--eval-good);
  color: #fff;
  background: var(--eval-good);
}
.wizard-step-label {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  white-space: nowrap;
}
.wizard-step-indicator.active .wizard-step-label {
  color: var(--color-text);
  font-weight: 600;
}
.wizard-step-indicator.completed .wizard-step-label {
  color: var(--color-text-muted);
}

.wizard-body {
  min-height: 400px;
}
.wizard-panel { display: none; }
.wizard-panel.active { display: block; }

.wizard-actions {
  display: flex;
  justify-content: space-between;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  margin-top: var(--space-6);
}

/* Checkboxes and radios */
.checkbox-group, .radio-group {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-3);
}
.checkbox-group .checkbox-item,
.radio-group .radio-item {
  min-width: 0;
}
.checkbox-item, .radio-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--transition-interactive), background var(--transition-interactive);
  flex: 1;
  min-width: 180px;
}
.checkbox-item:hover, .radio-item:hover {
  border-color: var(--color-border);
  background: var(--color-surface-offset);
}
.checkbox-item.selected, .radio-item.selected {
  border-color: var(--color-primary);
  background: var(--color-primary-highlight);
}
.checkbox-item input, .radio-item input {
  margin-top: 3px;
  flex-shrink: 0;
  accent-color: var(--color-primary);
}
.checkbox-item div, .radio-item div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.checkbox-item .item-label, .radio-item .item-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
}
.checkbox-item .item-desc, .radio-item .item-desc {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* Criteria sliders */
.criteria-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.criteria-item {
  display: grid;
  grid-template-columns: 1fr auto 80px;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
}
.criteria-name {
  font-size: var(--text-sm);
  font-weight: 500;
}
.criteria-info {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1.5px solid var(--color-text-muted);
  color: var(--color-text-muted);
  font-size: 10px;
  font-weight: 700;
  cursor: default;
  flex-shrink: 0;
  position: relative;
  line-height: 1;
}
.criteria-info:hover .criteria-tooltip {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.criteria-tooltip {
  position: absolute;
  left: 24px;
  top: 50%;
  transform: translateY(4px);
  background: var(--color-surface-raised, #fff);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
  padding: var(--space-3) var(--space-4);
  width: 260px;
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.5;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s, transform 0.15s;
  z-index: 100;
  white-space: normal;
  text-align: left;
}
.criteria-tooltip strong {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-1);
  color: var(--color-text);
}
.criteria-tooltip .tooltip-when {
  margin-top: var(--space-2);
  color: var(--color-text-muted);
}
.criteria-slider {
  width: 120px;
  accent-color: var(--color-primary);
}
.criteria-weight {
  font-size: var(--text-sm);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--color-primary);
  text-align: center;
}
.criteria-toggle {
  width: 20px;
  height: 20px;
  accent-color: var(--color-primary);
}

/* Test case selection */
.tc-select-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-2);
  background: var(--color-surface);
  transition: background var(--transition-interactive);
}
.tc-select-item:hover {
  background: var(--color-surface-offset);
}
.tc-select-item input[type="checkbox"] {
  accent-color: var(--color-primary);
  flex-shrink: 0;
}
.tc-select-info {
  flex: 1;
}
.tc-select-info strong {
  font-size: var(--text-sm);
  display: block;
  margin-bottom: var(--space-1);
}
.tc-select-info span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* Step 4: Evaluation scoring */
.eval-nav {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-divider);
}
.eval-progress-bar {
  flex: 1;
  height: 6px;
  background: var(--color-surface-dynamic);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.eval-progress-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}
.eval-progress-text {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.eval-case {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}
@media (max-width: 767px) {
  .eval-case { grid-template-columns: 1fr; }
}
.eval-case-left, .eval-case-right {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.eval-case-prompt {
  background: var(--color-surface-offset);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-divider);
}
.eval-case-prompt h4 {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}
.eval-case-prompt p {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text);
  white-space: pre-wrap;
  line-height: 1.6;
}

/* Score pills */
.score-pills {
  display: flex;
  gap: var(--space-2);
}
.score-pill {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all var(--transition-interactive);
  position: relative;
  color: var(--color-text-muted);
  background: var(--color-surface);
}
.score-pill:hover {
  border-color: var(--color-text-muted);
}
.score-pill.selected {
  color: #fff;
}
.score-pill[data-score="1"].selected {
  background: var(--eval-poor);
  border-color: var(--eval-poor);
}
.score-pill[data-score="2"].selected {
  background: var(--eval-poor);
  border-color: var(--eval-poor);
  opacity: 0.85;
}
.score-pill[data-score="3"].selected {
  background: var(--eval-adequate);
  border-color: var(--eval-adequate);
  color: #000;
}
.score-pill[data-score="4"].selected {
  background: var(--eval-good);
  border-color: var(--eval-good);
}
.score-pill[data-score="5"].selected {
  background: var(--eval-good);
  border-color: var(--eval-good);
}
/* Tooltip on hover */
.score-pill::after {
  content: attr(data-label);
  position: absolute;
  bottom: calc(100% + var(--space-2));
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-1) var(--space-3);
  background: var(--color-text);
  color: var(--color-text-inverse);
  font-size: 0.65rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-interactive);
}
.score-pill:hover::after {
  opacity: 1;
}

.eval-jump-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}
.eval-jump-btn {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-divider);
  background: var(--color-surface);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-interactive);
  font-variant-numeric: tabular-nums;
}
.eval-jump-btn.active {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}
.eval-jump-btn.scored {
  background: var(--color-primary-highlight);
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.eval-jump-btn.flagged {
  background: var(--eval-poor-bg);
  border-color: var(--eval-poor);
  color: var(--eval-poor);
}

.flag-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  transition: all var(--transition-interactive);
}
.flag-toggle.active {
  background: var(--eval-poor-bg);
  border-color: var(--eval-poor);
  color: var(--eval-poor);
}

/* ============================================
   RESULTS / DASHBOARD
   ============================================ */
.results-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  gap: var(--space-4);
}
.results-header h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
}
.results-header-actions {
  display: flex;
  gap: var(--space-3);
}

.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}
@media (max-width: 767px) {
  .results-grid { grid-template-columns: 1fr; }
}

.results-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.results-card h3 {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.results-card--full {
  grid-column: 1 / -1;
}

.rag-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.rag-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: 600;
}
.rag-badge--good {
  background: var(--eval-good-bg);
  color: var(--eval-good);
}
.rag-badge--adequate {
  background: var(--eval-adequate-bg);
  color: var(--eval-adequate);
}
.rag-badge--poor {
  background: var(--eval-poor-bg);
  color: var(--eval-poor);
}
.rag-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
}
.rag-dot--good { background: var(--eval-good); }
.rag-dot--adequate { background: var(--eval-adequate); }
.rag-dot--poor { background: var(--eval-poor); }

.readiness-assessment {
  padding: var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  line-height: 1.6;
}
.readiness-assessment.good {
  background: var(--eval-good-bg);
  color: var(--eval-good);
}
.readiness-assessment.adequate {
  background: var(--eval-adequate-bg);
  color: var(--eval-adequate);
}
.readiness-assessment.poor {
  background: var(--eval-poor-bg);
  color: var(--eval-poor);
}

.critical-issues-list {
  list-style: none;
}
.critical-issues-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
  font-size: var(--text-sm);
  color: var(--color-text);
}
.critical-issues-list li:last-child {
  border-bottom: none;
}
.critical-icon {
  color: var(--eval-poor);
  flex-shrink: 0;
  margin-top: 2px;
}

/* Chart container */
.chart-container {
  position: relative;
  width: 100%;
  max-width: 400px;
  margin-inline: auto;
}
.chart-container canvas {
  width: 100% !important;
  height: auto !important;
}

/* ============================================
   DASHBOARD (Project List)
   ============================================ */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr));
  gap: var(--space-4);
}
.project-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  cursor: pointer;
  transition: box-shadow var(--transition-interactive), border-color var(--transition-interactive);
}
.project-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-border);
}
.project-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-3);
}
.project-card h3 {
  font-size: var(--text-base);
  font-weight: 600;
}
.project-card-meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}
.project-card-score {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.project-card-rag-dots {
  display: flex;
  gap: var(--space-1);
}
.project-card-score-value {
  font-size: var(--text-lg);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.project-card-actions {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-divider);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: var(--space-16) var(--space-4);
  color: var(--color-text-muted);
}
.empty-state-icon {
  width: 48px;
  height: 48px;
  color: var(--color-text-faint);
  margin-inline: auto;
  margin-bottom: var(--space-4);
}
.empty-state h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.empty-state p {
  font-size: var(--text-sm);
  margin-inline: auto;
  margin-bottom: var(--space-6);
}

/* ============================================
   RISK MATRIX
   ============================================ */
.risk-matrix {
  display: grid;
  grid-template-columns: auto 1fr 1fr;
  grid-template-rows: auto 1fr 1fr;
  gap: 2px;
  font-size: var(--text-xs);
  max-width: 400px;
}
.risk-matrix-label {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2);
  font-weight: 600;
  color: var(--color-text-muted);
}
.risk-matrix-cell {
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  min-height: 80px;
}
.risk-cell-low { background: var(--eval-good-bg); }
.risk-cell-med { background: var(--eval-adequate-bg); }
.risk-cell-high { background: var(--eval-poor-bg); }

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
  .site-nav, .wizard-actions, .btn, .theme-toggle, .mobile-menu-btn {
    display: none !important;
  }
  body {
    background: #fff;
    color: #000;
  }
  .results-card {
    break-inside: avoid;
    border: 1px solid #ccc;
  }
}

/* ============================================
   LOADING / TOAST
   ============================================ */
.toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.toast {
  padding: var(--space-3) var(--space-5);
  background: var(--color-text);
  color: var(--color-text-inverse);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  animation: toast-in 300ms cubic-bezier(0.16, 1, 0.3, 1);
}
.toast.toast-error {
  background: var(--eval-poor);
  color: #fff;
}
.toast.toast-success {
  background: var(--eval-good);
  color: #fff;
}
@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Spinner */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================
   SKIP TO CONTENT LINK
   ============================================ */
.sr-only:focus {
  position: fixed;
  width: auto;
  height: auto;
  padding: var(--space-2) var(--space-4);
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
  border-width: 2px;
  border-style: solid;
  border-color: var(--color-primary);
  z-index: 9999;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
}

/* ============================================
   COMPARE PAGE
   ============================================ */
.compare-chart-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

/* ============================================
   ANALYTICS GRID
   ============================================ */
.analytics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}
@media (max-width: 767px) {
  .analytics-grid { grid-template-columns: 1fr; }
}

/* ============================================
   RISK LEVEL BADGES
   ============================================ */
.badge--critical {
  background: var(--eval-poor-bg);
  color: var(--eval-poor);
}
.badge--high {
  background: var(--eval-adequate-bg);
  color: var(--eval-adequate);
}
.badge--medium {
  background: var(--eval-good-bg);
  color: var(--eval-good);
}
.badge--low {
  background: var(--color-primary-highlight);
  color: var(--color-primary);
}

/* Score pill keyboard focus */
.score-pill:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  z-index: 1;
}

/* ============================================
   PRICING CARDS
   ============================================ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-8);
  max-width: 900px;
  margin-inline: auto;
}
.pricing-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  position: relative;
}
.pricing-card--featured {
  border-color: var(--color-primary);
  border-width: 2px;
  box-shadow: 0 0 0 4px var(--color-primary-highlight);
}
.pricing-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: var(--space-1) var(--space-3);
  border-radius: 9999px;
  white-space: nowrap;
}
.pricing-tier {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}
.pricing-price {
  font-size: var(--text-2xl);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  color: var(--color-text);
}
.pricing-detail {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.pricing-features {
  list-style: none;
  padding: 0;
  margin: var(--space-2) 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.pricing-features li {
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  max-width: none;
}
.pricing-features li::before {
  content: '✓';
  font-weight: 700;
  color: var(--color-primary);
  flex-shrink: 0;
}
.pricing-page-header {
  text-align: center;
  margin-bottom: var(--space-8);
}
.pricing-grid--page {
  max-width: 1100px;
}
.pricing-free-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  max-width: 1100px;
  margin-inline: auto;
  margin-bottom: var(--space-8);
}
.pricing-free-banner-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.pricing-free-banner-text strong {
  font-size: var(--text-base);
  color: var(--color-text);
}
.pricing-free-banner-text span {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
@media (max-width: 600px) {
  .pricing-free-banner {
    flex-direction: column;
    text-align: center;
  }
}

/* ============================================
   UPGRADE MODAL
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: var(--space-4);
}
.modal-content {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  max-width: 760px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-lg);
}
.modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  font-size: var(--text-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  line-height: 1;
}
.modal-close:hover {
  background: var(--color-surface-dynamic);
  color: var(--color-text);
}
.upgrade-header {
  text-align: center;
  margin-bottom: var(--space-6);
}
.upgrade-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: var(--color-primary-highlight);
  border-radius: 50%;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.upgrade-footer {
  text-align: center;
  margin-top: var(--space-6);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ============================================
   DASHBOARD CREDITS BANNER
   ============================================ */
.credits-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-5);
  background: var(--color-primary-highlight);
  border-radius: var(--radius-md);
  border: 1px solid color-mix(in srgb, var(--color-primary) 30%, transparent);
  flex-wrap: wrap;
}
.credits-banner-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-primary-active);
}
.credits-plan-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-2);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: capitalize;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  border-top: 1px solid var(--color-divider);
  padding: var(--space-6) var(--space-4);
  text-align: center;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}