/* ==========================================================================
   AINNA Tools Hub — tools-hub.css
   Design system: AINNA shared design tokens (--ainna-*)
   Theme: data-theme="dark" | data-theme="light"
   Font: Inter (system-ui fallback)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS CUSTOM PROPERTIES
   -------------------------------------------------------------------------- */
:root,
[data-theme="dark"] {
  /* ---- Accent palette ---- */
  --ainna-accent: #6c5ce7;
  --ainna-accent-hover: #7f70f0;
  --ainna-accent-subtle: rgba(108, 92, 231, 0.12);
  --ainna-accent-glow: rgba(108, 92, 231, 0.25);
  --ainna-cyan: #00d2d3;
  --ainna-cyan-subtle: rgba(0, 210, 211, 0.10);
  --ainna-blue: #54a0ff;
  --ainna-blue-subtle: rgba(84, 160, 255, 0.10);
  --ainna-green: #00b894;
  --ainna-green-subtle: rgba(0, 184, 148, 0.10);
  --ainna-amber: #fdcb6e;
  --ainna-amber-subtle: rgba(253, 203, 110, 0.10);
  --ainna-purple: #a29bfe;
  --ainna-purple-subtle: rgba(162, 155, 254, 0.10);
  --ainna-orange: #e17055;
  --ainna-orange-subtle: rgba(225, 112, 85, 0.10);
  --ainna-red: #d63031;
  --ainna-red-subtle: rgba(214, 48, 49, 0.10);
  --ainna-gray: #636e72;

  /* ---- Surface & text ---- */
  --ainna-bg-primary: #0a0a0f;
  --ainna-bg-secondary: #12121a;
  --ainna-bg-tertiary: #1a1a26;
  --ainna-bg-elevated: #1e1e2e;
  --ainna-bg-glass: rgba(30, 30, 46, 0.70);
  --ainna-bg-glass-hover: rgba(30, 30, 46, 0.85);
  --ainna-bg-input: #16161f;
  --ainna-bg-overlay: rgba(0, 0, 0, 0.65);
  --ainna-text-primary: #f1f2f6;
  --ainna-text-secondary: #a4a4b8;
  --ainna-text-tertiary: #6b6b80;
  --ainna-text-inverse: #0a0a0f;
  --ainna-text-link: #7f70f0;
  --ainna-text-link-hover: #9b8ff5;

  /* ---- Borders & dividers ---- */
  --ainna-border: #2a2a3e;
  --ainna-border-light: #222236;
  --ainna-border-focus: #6c5ce7;
  --ainna-divider: rgba(255, 255, 255, 0.06);

  /* ---- Shadows ---- */
  --ainna-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.30);
  --ainna-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.35);
  --ainna-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.45);
  --ainna-shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.55);
  --ainna-shadow-card: 0 2px 8px rgba(0, 0, 0, 0.25);
  --ainna-shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.40);
  --ainna-shadow-modal: 0 24px 80px rgba(0, 0, 0, 0.60);

  /* ---- Spacing scale ---- */
  --ainna-space-1: 4px;
  --ainna-space-2: 8px;
  --ainna-space-3: 12px;
  --ainna-space-4: 16px;
  --ainna-space-5: 20px;
  --ainna-space-6: 24px;
  --ainna-space-8: 32px;
  --ainna-space-10: 40px;
  --ainna-space-12: 48px;
  --ainna-space-16: 64px;
  --ainna-space-20: 80px;
  --ainna-space-24: 96px;

  /* ---- Typography ---- */
  --ainna-font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --ainna-font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
  --ainna-text-xs: 0.75rem;
  --ainna-text-sm: 0.8125rem;
  --ainna-text-base: 0.9375rem;
  --ainna-text-lg: 1.125rem;
  --ainna-text-xl: 1.375rem;
  --ainna-text-2xl: 1.75rem;
  --ainna-text-3xl: 2.25rem;
  --ainna-text-4xl: 3rem;
  --ainna-text-5xl: 3.75rem;
  --ainna-leading-tight: 1.15;
  --ainna-leading-normal: 1.5;
  --ainna-leading-relaxed: 1.65;
  --ainna-font-normal: 400;
  --ainna-font-medium: 500;
  --ainna-font-semibold: 600;
  --ainna-font-bold: 700;

  /* ---- Radii ---- */
  --ainna-radius-sm: 6px;
  --ainna-radius-md: 8px;
  --ainna-radius-lg: 12px;
  --ainna-radius-xl: 16px;
  --ainna-radius-card: 12px;
  --ainna-radius-pill: 9999px;
  --ainna-radius-full: 50%;

  /* ---- Transitions ---- */
  --ainna-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --ainna-transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --ainna-transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --ainna-transition-spring: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* ---- Z-index scale ---- */
  --ainna-z-base: 1;
  --ainna-z-dropdown: 100;
  --ainna-z-sticky: 200;
  --ainna-z-overlay: 500;
  --ainna-z-modal: 600;
  --ainna-z-toast: 700;

  /* ---- Glass effect ---- */
  --ainna-glass-blur: 12px;
  --ainna-glass-border: rgba(255, 255, 255, 0.06);
  --ainna-glass-border-hover: rgba(255, 255, 255, 0.10);

  /* ---- Skeleton ---- */
  --ainna-skeleton-base: #1e1e2e;
  --ainna-skeleton-shine: #2a2a3e;
}

/* ---- Light theme overrides ---- */
[data-theme="light"] {
  --ainna-accent: #5a4bd1;
  --ainna-accent-hover: #6c5ce7;
  --ainna-accent-subtle: rgba(90, 75, 209, 0.08);
  --ainna-accent-glow: rgba(90, 75, 209, 0.15);
  --ainna-cyan-subtle: rgba(0, 210, 211, 0.06);
  --ainna-blue-subtle: rgba(84, 160, 255, 0.06);
  --ainna-green-subtle: rgba(0, 184, 148, 0.06);
  --ainna-amber-subtle: rgba(253, 203, 110, 0.08);
  --ainna-purple-subtle: rgba(162, 155, 254, 0.06);
  --ainna-orange-subtle: rgba(225, 112, 85, 0.06);
  --ainna-red-subtle: rgba(214, 48, 49, 0.06);

  --ainna-bg-primary: #f8f9fc;
  --ainna-bg-secondary: #f0f1f5;
  --ainna-bg-tertiary: #e8e9ef;
  --ainna-bg-elevated: #ffffff;
  --ainna-bg-glass: rgba(255, 255, 255, 0.75);
  --ainna-bg-glass-hover: rgba(255, 255, 255, 0.90);
  --ainna-bg-input: #ffffff;
  --ainna-bg-overlay: rgba(0, 0, 0, 0.30);
  --ainna-text-primary: #1a1a2e;
  --ainna-text-secondary: #5a5a72;
  --ainna-text-tertiary: #8a8a9e;
  --ainna-text-inverse: #ffffff;
  --ainna-text-link: #5a4bd1;
  --ainna-text-link-hover: #6c5ce7;

  --ainna-border: #dcdce6;
  --ainna-border-light: #e8e8f0;
  --ainna-border-focus: #5a4bd1;
  --ainna-divider: rgba(0, 0, 0, 0.06);

  --ainna-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --ainna-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --ainna-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
  --ainna-shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
  --ainna-shadow-card: 0 1px 4px rgba(0, 0, 0, 0.06);
  --ainna-shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.10);
  --ainna-shadow-modal: 0 24px 80px rgba(0, 0, 0, 0.18);

  --ainna-skeleton-base: #e8e9ef;
  --ainna-skeleton-shine: #f0f1f5;

  --ainna-glass-border: rgba(0, 0, 0, 0.06);
  --ainna-glass-border-hover: rgba(0, 0, 0, 0.10);
}

/* --------------------------------------------------------------------------
   2. RESET & BASE
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--ainna-font-family, 'Inter', system-ui, sans-serif);
  font-size: var(--ainna-text-base, 0.9375rem);
  line-height: var(--ainna-leading-normal, 1.5);
  color: var(--ainna-text-primary, #f1f2f6);
  background-color: var(--ainna-bg-primary, #0a0a0f);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img,
svg,
video,
canvas {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

ul,
ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--ainna-font-semibold, 600);
  line-height: var(--ainna-leading-tight, 1.15);
  color: var(--ainna-text-primary, #f1f2f6);
}

/* --------------------------------------------------------------------------
   3. LAYOUT — Container & Sections
   -------------------------------------------------------------------------- */
.th-container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--ainna-space-6, 24px);
}

.th-section {
  padding: var(--ainna-space-16, 64px) 0;
}

.th-section + .th-section {
  border-top: 1px solid var(--ainna-divider, rgba(255, 255, 255, 0.06));
}

.th-section-header {
  display: flex;
  align-items: center;
  gap: var(--ainna-space-4, 16px);
  margin-bottom: var(--ainna-space-8, 32px);
}

.th-section-header h2 {
  font-size: var(--ainna-text-2xl, 1.75rem);
  font-weight: var(--ainna-font-semibold, 600);
  color: var(--ainna-text-primary, #f1f2f6);
  white-space: nowrap;
}

.th-section-header::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(
    to right,
    var(--ainna-accent, #6c5ce7),
    transparent
  );
  opacity: 0.4;
}

/* --------------------------------------------------------------------------
   4. HERO SECTION
   -------------------------------------------------------------------------- */
.th-hero {
  position: relative;
  padding: var(--ainna-space-20, 80px) 0 var(--ainna-space-16, 64px);
  overflow: hidden;
}

.th-hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(
    circle,
    var(--ainna-accent-glow, rgba(108, 92, 231, 0.25)) 0%,
    transparent 70%
  );
  pointer-events: none;
  animation: th-hero-glow 8s ease-in-out infinite alternate;
}

.th-hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -15%;
  width: 500px;
  height: 500px;
  background: radial-gradient(
    circle,
    var(--ainna-cyan-subtle, rgba(0, 210, 211, 0.10)) 0%,
    transparent 70%
  );
  pointer-events: none;
  animation: th-hero-glow 10s ease-in-out infinite alternate-reverse;
}

@keyframes th-hero-glow {
  0% {
    opacity: 0.5;
    transform: scale(1) translate(0, 0);
  }
  100% {
    opacity: 1;
    transform: scale(1.1) translate(20px, -20px);
  }
}

.th-hero-content {
  position: relative;
  z-index: 1;
  max-width: 820px;
}

.th-hero-title {
  font-size: var(--ainna-text-5xl, 3.75rem);
  font-weight: var(--ainna-font-bold, 700);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--ainna-text-primary, #f1f2f6);
  margin-bottom: var(--ainna-space-6, 24px);
}

.th-hero-title .th-highlight {
  background: linear-gradient(
    135deg,
    var(--ainna-accent, #6c5ce7),
    var(--ainna-cyan, #00d2d3)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.th-hero-subtitle {
  font-size: var(--ainna-text-lg, 1.125rem);
  line-height: var(--ainna-leading-relaxed, 1.65);
  color: var(--ainna-text-secondary, #a4a4b8);
  max-width: 640px;
  margin-bottom: var(--ainna-space-10, 40px);
}

.th-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ainna-space-4, 16px);
  margin-bottom: var(--ainna-space-12, 48px);
}

/* ---- Stats grid ---- */
.th-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--ainna-space-6, 24px);
  padding: var(--ainna-space-6, 24px) 0;
  border-top: 1px solid var(--ainna-divider, rgba(255, 255, 255, 0.06));
}

.th-stat {
  display: flex;
  flex-direction: column;
  gap: var(--ainna-space-1, 4px);
}

.th-stat-value {
  font-size: var(--ainna-text-3xl, 2.25rem);
  font-weight: var(--ainna-font-bold, 700);
  line-height: 1;
  color: var(--ainna-text-primary, #f1f2f6);
  letter-spacing: -0.02em;
}

.th-stat-label {
  font-size: var(--ainna-text-sm, 0.8125rem);
  color: var(--ainna-text-tertiary, #6b6b80);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ---- Buttons ---- */
.th-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--ainna-space-2, 8px);
  padding: var(--ainna-space-3, 12px) var(--ainna-space-6, 24px);
  font-size: var(--ainna-text-sm, 0.8125rem);
  font-weight: var(--ainna-font-medium, 500);
  line-height: 1;
  border-radius: var(--ainna-radius-md, 8px);
  transition: all var(--ainna-transition-base, 200ms cubic-bezier(0.4, 0, 0.2, 1));
  white-space: nowrap;
  min-height: 44px;
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
}

.th-btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.th-btn-primary {
  background: var(--ainna-accent, #6c5ce7);
  color: #ffffff;
  border-color: var(--ainna-accent, #6c5ce7);
}

.th-btn-primary:hover {
  background: var(--ainna-accent-hover, #7f70f0);
  border-color: var(--ainna-accent-hover, #7f70f0);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--ainna-accent-glow, rgba(108, 92, 231, 0.25));
}

.th-btn-primary:active {
  transform: translateY(0);
}

.th-btn-secondary {
  background: var(--ainna-bg-glass, rgba(30, 30, 46, 0.70));
  color: var(--ainna-text-primary, #f1f2f6);
  border-color: var(--ainna-border, #2a2a3e);
  backdrop-filter: blur(var(--ainna-glass-blur, 12px));
  -webkit-backdrop-filter: blur(var(--ainna-glass-blur, 12px));
}

.th-btn-secondary:hover {
  background: var(--ainna-bg-glass-hover, rgba(30, 30, 46, 0.85));
  border-color: var(--ainna-accent, #6c5ce7);
  transform: translateY(-1px);
}

.th-btn-ghost {
  background: transparent;
  color: var(--ainna-text-secondary, #a4a4b8);
  border-color: transparent;
  padding: var(--ainna-space-2, 8px) var(--ainna-space-4, 16px);
}

.th-btn-ghost:hover {
  color: var(--ainna-text-primary, #f1f2f6);
  background: var(--ainna-accent-subtle, rgba(108, 92, 231, 0.12));
}

.th-btn-ghost:active {
  background: var(--ainna-accent-subtle, rgba(108, 92, 231, 0.12));
}

/* --------------------------------------------------------------------------
   5. SEARCH BAR
   -------------------------------------------------------------------------- */
.th-search {
  position: relative;
  max-width: 640px;
  margin-bottom: var(--ainna-space-8, 32px);
}

.th-search-icon {
  position: absolute;
  left: var(--ainna-space-5, 20px);
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--ainna-text-tertiary, #6b6b80);
  pointer-events: none;
  transition: color var(--ainna-transition-base, 200ms cubic-bezier(0.4, 0, 0.2, 1));
}

.th-search-input {
  width: 100%;
  height: 56px;
  padding: 0 var(--ainna-space-5, 20px) 0 56px;
  font-size: var(--ainna-text-base, 0.9375rem);
  color: var(--ainna-text-primary, #f1f2f6);
  background: var(--ainna-bg-glass, rgba(30, 30, 46, 0.70));
  border: 1px solid var(--ainna-border, #2a2a3e);
  border-radius: var(--ainna-radius-lg, 12px);
  backdrop-filter: blur(var(--ainna-glass-blur, 12px));
  -webkit-backdrop-filter: blur(var(--ainna-glass-blur, 12px));
  transition: all var(--ainna-transition-base, 200ms cubic-bezier(0.4, 0, 0.2, 1));
  outline: none;
}

.th-search-input::placeholder {
  color: var(--ainna-text-tertiary, #6b6b80);
}

.th-search-input:hover {
  border-color: var(--ainna-border-focus, #6c5ce7);
}

.th-search-input:focus {
  border-color: var(--ainna-border-focus, #6c5ce7);
  box-shadow: 0 0 0 3px var(--ainna-accent-subtle, rgba(108, 92, 231, 0.12));
  background: var(--ainna-bg-glass-hover, rgba(30, 30, 46, 0.85));
}

.th-search-input:focus ~ .th-search-icon {
  color: var(--ainna-accent, #6c5ce7);
}

/* Keyboard shortcut badge */
.th-search-kbd {
  position: absolute;
  right: var(--ainna-space-4, 16px);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: 3px;
  padding: 3px 7px;
  font-size: 11px;
  font-family: var(--ainna-font-mono, 'JetBrains Mono', monospace);
  color: var(--ainna-text-tertiary, #6b6b80);
  background: var(--ainna-bg-tertiary, #1a1a26);
  border: 1px solid var(--ainna-border-light, #222236);
  border-radius: var(--ainna-radius-sm, 6px);
  pointer-events: none;
  line-height: 1;
  letter-spacing: 0.02em;
}

.th-search-kbd kbd {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* --------------------------------------------------------------------------
   6. FILTER CHIPS
   -------------------------------------------------------------------------- */
.th-filters {
  display: flex;
  align-items: center;
  gap: var(--ainna-space-4, 16px);
  margin-bottom: var(--ainna-space-8, 32px);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: var(--ainna-space-1, 4px);
}

.th-filters::-webkit-scrollbar {
  display: none;
}

.th-filter-chip {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: var(--ainna-space-2, 8px);
  padding: var(--ainna-space-2, 8px) var(--ainna-space-5, 20px);
  font-size: var(--ainna-text-sm, 0.8125rem);
  font-weight: var(--ainna-font-medium, 500);
  color: var(--ainna-text-secondary, #a4a4b8);
  background: var(--ainna-bg-glass, rgba(30, 30, 46, 0.70));
  border: 1px solid var(--ainna-border-light, #222236);
  border-radius: var(--ainna-radius-pill, 9999px);
  backdrop-filter: blur(var(--ainna-glass-blur, 12px));
  -webkit-backdrop-filter: blur(var(--ainna-glass-blur, 12px));
  cursor: pointer;
  transition: all var(--ainna-transition-base, 200ms cubic-bezier(0.4, 0, 0.2, 1));
  white-space: nowrap;
  min-height: 40px;
  user-select: none;
}

.th-filter-chip:hover {
  color: var(--ainna-text-primary, #f1f2f6);
  border-color: var(--ainna-accent, #6c5ce7);
  background: var(--ainna-accent-subtle, rgba(108, 92, 231, 0.12));
}

.th-filter-chip:active {
  transform: scale(0.97);
}

.th-filter-chip.is-active,
.th-filter-chip[aria-pressed="true"] {
  color: #ffffff;
  background: var(--ainna-accent, #6c5ce7);
  border-color: var(--ainna-accent, #6c5ce7);
}

.th-filter-chip.is-active:hover,
.th-filter-chip[aria-pressed="true"]:hover {
  background: var(--ainna-accent-hover, #7f70f0);
  border-color: var(--ainna-accent-hover, #7f70f0);
}

.th-filter-chip svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* --------------------------------------------------------------------------
   7. SORT DROPDOWN
   -------------------------------------------------------------------------- */
.th-sort-wrapper {
  position: relative;
  flex-shrink: 0;
  margin-left: auto;
}

.th-sort-select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  min-height: 40px;
  padding: var(--ainna-space-2, 8px) var(--ainna-space-10, 40px) var(--ainna-space-2, 8px) var(--ainna-space-4, 16px);
  font-size: var(--ainna-text-sm, 0.8125rem);
  font-weight: var(--ainna-font-medium, 500);
  color: var(--ainna-text-secondary, #a4a4b8);
  background: var(--ainna-bg-glass, rgba(30, 30, 46, 0.70));
  border: 1px solid var(--ainna-border-light, #222236);
  border-radius: var(--ainna-radius-md, 8px);
  backdrop-filter: blur(var(--ainna-glass-blur, 12px));
  -webkit-backdrop-filter: blur(var(--ainna-glass-blur, 12px));
  cursor: pointer;
  transition: all var(--ainna-transition-base, 200ms cubic-bezier(0.4, 0, 0.2, 1));
  outline: none;
  min-width: 160px;
}

.th-sort-select:hover {
  border-color: var(--ainna-accent, #6c5ce7);
  color: var(--ainna-text-primary, #f1f2f6);
}

.th-sort-select:focus {
  border-color: var(--ainna-border-focus, #6c5ce7);
  box-shadow: 0 0 0 3px var(--ainna-accent-subtle, rgba(108, 92, 231, 0.12));
}

.th-sort-chevron {
  position: absolute;
  right: var(--ainna-space-4, 16px);
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--ainna-text-tertiary, #6b6b80);
  pointer-events: none;
  transition: color var(--ainna-transition-base, 200ms cubic-bezier(0.4, 0, 0.2, 1));
}

.th-sort-select:hover + .th-sort-chevron {
  color: var(--ainna-accent, #6c5ce7);
}

/* --------------------------------------------------------------------------
   8. SECTION HEADERS
   -------------------------------------------------------------------------- */
.th-section-header {
  display: flex;
  align-items: center;
  gap: var(--ainna-space-4, 16px);
  margin-bottom: var(--ainna-space-8, 32px);
}

.th-section-header h2 {
  font-size: var(--ainna-text-2xl, 1.75rem);
  font-weight: var(--ainna-font-semibold, 600);
  color: var(--ainna-text-primary, #f1f2f6);
  white-space: nowrap;
}

.th-section-header::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(
    to right,
    var(--ainna-accent, #6c5ce7),
    transparent
  );
  opacity: 0.4;
}

/* --------------------------------------------------------------------------
   9. TOOL CARDS
   -------------------------------------------------------------------------- */
.th-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--ainna-space-6, 24px);
}

.th-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--ainna-space-5, 20px);
  padding: var(--ainna-space-6, 24px);
  background: var(--ainna-bg-glass, rgba(30, 30, 46, 0.70));
  border: 1px solid var(--ainna-border, #2a2a3e);
  border-radius: var(--ainna-radius-card, 12px);
  backdrop-filter: blur(var(--ainna-glass-blur, 12px));
  -webkit-backdrop-filter: blur(var(--ainna-glass-blur, 12px));
  transition: all var(--ainna-transition-slow, 350ms cubic-bezier(0.4, 0, 0.2, 1));
  cursor: pointer;
  outline: none;
}

.th-card:hover {
  transform: translateY(-4px);
  border-color: var(--ainna-glass-border-hover, rgba(255, 255, 255, 0.10));
  background: var(--ainna-bg-glass-hover, rgba(30, 30, 46, 0.85));
  box-shadow: var(--ainna-shadow-card-hover, 0 8px 24px rgba(0, 0, 0, 0.40));
}

.th-card:focus-visible {
  border-color: var(--ainna-border-focus, #6c5ce7);
  box-shadow: 0 0 0 3px var(--ainna-accent-subtle, rgba(108, 92, 231, 0.12));
}

/* Card icon circle */
.th-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--ainna-radius-lg, 12px);
  background: var(--ainna-accent-subtle, rgba(108, 92, 231, 0.12));
  flex-shrink: 0;
  transition: background var(--ainna-transition-base, 200ms cubic-bezier(0.4, 0, 0.2, 1));
}

.th-card:hover .th-card-icon {
  background: var(--ainna-accent-subtle, rgba(108, 92, 231, 0.18));
}

.th-card-icon svg {
  width: 24px;
  height: 24px;
  color: var(--ainna-accent, #6c5ce7);
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Card body */
.th-card-body {
  display: flex;
  flex-direction: column;
  gap: var(--ainna-space-3, 12px);
  flex: 1;
}

.th-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--ainna-space-3, 12px);
}

.th-card-title {
  font-size: var(--ainna-text-lg, 1.125rem);
  font-weight: var(--ainna-font-semibold, 600);
  color: var(--ainna-text-primary, #f1f2f6);
  line-height: var(--ainna-leading-tight, 1.15);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.th-card-desc {
  font-size: var(--ainna-text-sm, 0.8125rem);
  line-height: var(--ainna-leading-normal, 1.5);
  color: var(--ainna-text-secondary, #a4a4b8);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Card tags */
.th-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ainna-space-2, 8px);
  margin-top: auto;
}

/* Card actions */
.th-card-actions {
  display: flex;
  align-items: center;
  gap: var(--ainna-space-3, 12px);
  padding-top: var(--ainna-space-4, 16px);
  border-top: 1px solid var(--ainna-divider, rgba(255, 255, 255, 0.06));
}

.th-card-actions .th-btn {
  flex: 1;
}

/* --------------------------------------------------------------------------
   10. STATUS BADGES
   -------------------------------------------------------------------------- */
.th-card-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: var(--ainna-font-semibold, 600);
  line-height: 1;
  border-radius: var(--ainna-radius-pill, 9999px);
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.th-card-status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: var(--ainna-radius-full, 50%);
  flex-shrink: 0;
}

/* Live — green */
.th-status--live {
  color: var(--ainna-green, #00b894);
  background: var(--ainna-green-subtle, rgba(0, 184, 148, 0.10));
}

.th-status--live::before {
  background: var(--ainna-green, #00b894);
}

/* Beta — amber */
.th-status--beta {
  color: var(--ainna-amber, #fdcb6e);
  background: var(--ainna-amber-subtle, rgba(253, 203, 110, 0.10));
}

.th-status--beta::before {
  background: var(--ainna-amber, #fdcb6e);
}

/* Experimental — purple */
.th-status--experimental {
  color: var(--ainna-purple, #a29bfe);
  background: var(--ainna-purple-subtle, rgba(162, 155, 254, 0.10));
}

.th-status--experimental::before {
  background: var(--ainna-purple, #a29bfe);
}

/* Coming Soon — gray */
.th-status--coming-soon {
  color: var(--ainna-text-tertiary, #6b6b80);
  background: var(--ainna-bg-tertiary, #1a1a26);
}

.th-status--coming-soon::before {
  background: var(--ainna-text-tertiary, #6b6b80);
}

/* Maintenance — orange */
.th-status--maintenance {
  color: var(--ainna-orange, #e17055);
  background: var(--ainna-orange-subtle, rgba(225, 112, 85, 0.10));
}

.th-status--maintenance::before {
  background: var(--ainna-orange, #e17055);
}

/* --------------------------------------------------------------------------
   11. TAG CHIPS
   -------------------------------------------------------------------------- */
.th-tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: var(--ainna-font-medium, 500);
  color: var(--ainna-text-secondary, #a4a4b8);
  background: var(--ainna-bg-tertiary, #1a1a26);
  border: 1px solid var(--ainna-border-light, #222236);
  border-radius: var(--ainna-radius-pill, 9999px);
  white-space: nowrap;
  line-height: 1.3;
  transition: all var(--ainna-transition-fast, 150ms cubic-bezier(0.4, 0, 0.2, 1));
}

.th-tag:hover {
  color: var(--ainna-text-primary, #f1f2f6);
  border-color: var(--ainna-accent, #6c5ce7);
  background: var(--ainna-accent-subtle, rgba(108, 92, 231, 0.12));
}

/* --------------------------------------------------------------------------
   12. PROBLEM ASSISTANT SECTION
   -------------------------------------------------------------------------- */
.th-assistant {
  background: var(--ainna-bg-secondary, #12121a);
  border: 1px solid var(--ainna-border, #2a2a3e);
  border-radius: var(--ainna-radius-xl, 16px);
  padding: var(--ainna-space-10, 40px);
}

.th-assistant-form {
  display: flex;
  flex-direction: column;
  gap: var(--ainna-space-4, 16px);
  margin-bottom: var(--ainna-space-8, 32px);
}

.th-assistant-textarea {
  width: 100%;
  min-height: 120px;
  padding: var(--ainna-space-5, 20px);
  font-size: var(--ainna-text-base, 0.9375rem);
  line-height: var(--ainna-leading-normal, 1.5);
  color: var(--ainna-text-primary, #f1f2f6);
  background: var(--ainna-bg-input, #16161f);
  border: 1px solid var(--ainna-border, #2a2a3e);
  border-radius: var(--ainna-radius-lg, 12px);
  resize: vertical;
  outline: none;
  transition: all var(--ainna-transition-base, 200ms cubic-bezier(0.4, 0, 0.2, 1));
  font-family: inherit;
}

.th-assistant-textarea::placeholder {
  color: var(--ainna-text-tertiary, #6b6b80);
}

.th-assistant-textarea:focus {
  border-color: var(--ainna-border-focus, #6c5ce7);
  box-shadow: 0 0 0 3px var(--ainna-accent-subtle, rgba(108, 92, 231, 0.12));
}

.th-assistant-submit {
  align-self: flex-end;
  display: inline-flex;
  align-items: center;
  gap: var(--ainna-space-2, 8px);
  padding: var(--ainna-space-3, 12px) var(--ainna-space-6, 24px);
  font-size: var(--ainna-text-sm, 0.8125rem);
  font-weight: var(--ainna-font-medium, 500);
  color: #ffffff;
  background: var(--ainna-accent, #6c5ce7);
  border: 1px solid var(--ainna-accent, #6c5ce7);
  border-radius: var(--ainna-radius-md, 8px);
  cursor: pointer;
  transition: all var(--ainna-transition-base, 200ms cubic-bezier(0.4, 0, 0.2, 1));
  min-height: 44px;
}

.th-assistant-submit:hover {
  background: var(--ainna-accent-hover, #7f70f0);
  border-color: var(--ainna-accent-hover, #7f70f0);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--ainna-accent-glow, rgba(108, 92, 231, 0.25));
}

.th-assistant-submit:active {
  transform: translateY(0);
}

.th-assistant-submit svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Recommendation cards */
.th-assistant-results {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--ainna-space-4, 16px);
}

.th-assistant-card {
  display: flex;
  flex-direction: column;
  gap: var(--ainna-space-3, 12px);
  padding: var(--ainna-space-5, 20px);
  background: var(--ainna-bg-glass, rgba(30, 30, 46, 0.70));
  border: 1px solid var(--ainna-border-light, #222236);
  border-radius: var(--ainna-radius-lg, 12px);
  backdrop-filter: blur(var(--ainna-glass-blur, 12px));
  -webkit-backdrop-filter: blur(var(--ainna-glass-blur, 12px));
  transition: all var(--ainna-transition-base, 200ms cubic-bezier(0.4, 0, 0.2, 1));
  cursor: pointer;
}

.th-assistant-card:hover {
  border-color: var(--ainna-accent, #6c5ce7);
  background: var(--ainna-bg-glass-hover, rgba(30, 30, 46, 0.85));
  transform: translateY(-2px);
}

.th-assistant-card-title {
  font-size: var(--ainna-text-base, 0.9375rem);
  font-weight: var(--ainna-font-semibold, 600);
  color: var(--ainna-text-primary, #f1f2f6);
}

.th-assistant-card-desc {
  font-size: var(--ainna-text-sm, 0.8125rem);
  color: var(--ainna-text-secondary, #a4a4b8);
  line-height: var(--ainna-leading-normal, 1.5);
}

.th-assistant-card-confidence {
  display: inline-flex;
  align-items: center;
  gap: var(--ainna-space-1, 4px);
  font-size: 11px;
  font-weight: var(--ainna-font-medium, 500);
  color: var(--ainna-green, #00b894);
}

/* --------------------------------------------------------------------------
   13. NEURALOPS ARCHITECTURE SECTION
   -------------------------------------------------------------------------- */
.th-architecture {
  position: relative;
  padding: var(--ainna-space-16, 64px) 0;
  overflow: hidden;
}

.th-arch-diagram {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--ainna-space-8, 32px);
  padding: var(--ainna-space-10, 40px);
  background: var(--ainna-bg-secondary, #12121a);
  border: 1px solid var(--ainna-border, #2a2a3e);
  border-radius: var(--ainna-radius-xl, 16px);
}

/* Architecture row */
.th-arch-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--ainna-space-6, 24px);
  width: 100%;
  flex-wrap: wrap;
}

.th-arch-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--ainna-space-3, 12px);
  padding: var(--ainna-space-5, 20px) var(--ainna-space-6, 24px);
  background: var(--ainna-bg-glass, rgba(30, 30, 46, 0.70));
  border: 1px solid var(--ainna-border, #2a2a3e);
  border-radius: var(--ainna-radius-lg, 12px);
  backdrop-filter: blur(var(--ainna-glass-blur, 12px));
  -webkit-backdrop-filter: blur(var(--ainna-glass-blur, 12px));
  transition: all var(--ainna-transition-base, 200ms cubic-bezier(0.4, 0, 0.2, 1));
  min-width: 140px;
  text-align: center;
}

.th-arch-node:hover {
  border-color: var(--ainna-accent, #6c5ce7);
  background: var(--ainna-bg-glass-hover, rgba(30, 30, 46, 0.85));
  transform: translateY(-2px);
  box-shadow: 0 4px 16px var(--ainna-accent-glow, rgba(108, 92, 231, 0.15));
}

.th-arch-node-icon {
  width: 36px;
  height: 36px;
  color: var(--ainna-accent, #6c5ce7);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.th-arch-node-label {
  font-size: var(--ainna-text-sm, 0.8125rem);
  font-weight: var(--ainna-font-medium, 500);
  color: var(--ainna-text-primary, #f1f2f6);
}

.th-arch-node-desc {
  font-size: 11px;
  color: var(--ainna-text-tertiary, #6b6b80);
  line-height: 1.3;
}

/* Animated arrows between rows */
.th-arch-connector {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--ainna-space-2, 8px);
  width: 100%;
  position: relative;
  height: 32px;
}

.th-arch-arrow {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--ainna-accent, #6c5ce7);
  opacity: 0.5;
  animation: th-arch-flow 2s ease-in-out infinite;
}

.th-arch-arrow:nth-child(2) {
  animation-delay: 0.3s;
}

.th-arch-arrow:nth-child(3) {
  animation-delay: 0.6s;
}

.th-arch-arrow svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.th-arch-line {
  flex: 1;
  max-width: 200px;
  height: 1px;
  background: linear-gradient(
    to right,
    transparent,
    var(--ainna-accent, #6c5ce7),
    transparent
  );
  opacity: 0.3;
}

@keyframes th-arch-flow {
  0% {
    opacity: 0.2;
    transform: translateX(-4px);
  }
  50% {
    opacity: 0.8;
    transform: translateX(4px);
  }
  100% {
    opacity: 0.2;
    transform: translateX(-4px);
  }
}

/* --------------------------------------------------------------------------
   14. ENTERPRISE CTA SECTION
   -------------------------------------------------------------------------- */
.th-cta {
  position: relative;
  padding: var(--ainna-space-20, 80px) var(--ainna-space-10, 40px);
  text-align: center;
  background: linear-gradient(
    135deg,
    var(--ainna-accent, #6c5ce7) 0%,
    var(--ainna-blue, #54a0ff) 50%,
    var(--ainna-cyan, #00d2d3) 100%
  );
  border-radius: var(--ainna-radius-xl, 16px);
  overflow: hidden;
  isolation: isolate;
}

.th-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at 30% 50%,
    rgba(255, 255, 255, 0.12) 0%,
    transparent 60%
  );
  pointer-events: none;
  z-index: 0;
}

.th-cta * {
  position: relative;
  z-index: 1;
}

.th-cta-title {
  font-size: var(--ainna-text-3xl, 2.25rem);
  font-weight: var(--ainna-font-bold, 700);
  color: #ffffff;
  margin-bottom: var(--ainna-space-4, 16px);
  letter-spacing: -0.02em;
}

.th-cta-desc {
  font-size: var(--ainna-text-lg, 1.125rem);
  color: rgba(255, 255, 255, 0.80);
  max-width: 560px;
  margin: 0 auto var(--ainna-space-8, 32px);
  line-height: var(--ainna-leading-relaxed, 1.65);
}

.th-cta .th-btn {
  border-color: rgba(255, 255, 255, 0.30);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.10);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  min-height: 48px;
  padding: var(--ainna-space-3, 12px) var(--ainna-space-8, 32px);
  font-size: var(--ainna-text-base, 0.9375rem);
}

.th-cta .th-btn:hover {
  background: rgba(255, 255, 255, 0.20);
  border-color: rgba(255, 255, 255, 0.50);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.20);
}

.th-cta .th-btn-primary {
  background: #ffffff;
  color: var(--ainna-accent, #6c5ce7);
  border-color: #ffffff;
}

.th-cta .th-btn-primary:hover {
  background: rgba(255, 255, 255, 0.90);
  border-color: rgba(255, 255, 255, 0.90);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

/* --------------------------------------------------------------------------
   15. TOOL DETAIL MODAL
   -------------------------------------------------------------------------- */
.th-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--ainna-z-overlay, 500);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--ainna-space-6, 24px);
  background: var(--ainna-bg-overlay, rgba(0, 0, 0, 0.65));
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: all var(--ainna-transition-slow, 350ms cubic-bezier(0.4, 0, 0.2, 1));
}

.th-modal-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.th-modal {
  position: relative;
  z-index: var(--ainna-z-modal, 600);
  width: 100%;
  max-width: 640px;
  max-height: 85vh;
  overflow-y: auto;
  background: var(--ainna-bg-elevated, #1e1e2e);
  border: 1px solid var(--ainna-border, #2a2a3e);
  border-radius: var(--ainna-radius-xl, 16px);
  box-shadow: var(--ainna-shadow-modal, 0 24px 80px rgba(0, 0, 0, 0.60));
  transform: translateY(20px) scale(0.97);
  transition: transform var(--ainna-transition-slow, 350ms cubic-bezier(0.4, 0, 0.2, 1));
  padding: var(--ainna-space-8, 32px);
}

.th-modal-overlay.is-open .th-modal {
  transform: translateY(0) scale(1);
}

/* Modal close button */
.th-modal-close {
  position: absolute;
  top: var(--ainna-space-4, 16px);
  right: var(--ainna-space-4, 16px);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  min-width: 44px;
  min-height: 44px;
  border-radius: var(--ainna-radius-md, 8px);
  color: var(--ainna-text-tertiary, #6b6b80);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all var(--ainna-transition-base, 200ms cubic-bezier(0.4, 0, 0.2, 1));
}

.th-modal-close:hover {
  color: var(--ainna-text-primary, #f1f2f6);
  background: var(--ainna-bg-tertiary, #1a1a26);
}

.th-modal-close:focus-visible {
  outline: 2px solid var(--ainna-border-focus, #6c5ce7);
  outline-offset: 2px;
}

.th-modal-close svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Modal header */
.th-modal-header {
  display: flex;
  align-items: center;
  gap: var(--ainna-space-4, 16px);
  margin-bottom: var(--ainna-space-6, 24px);
  padding-right: var(--ainna-space-10, 40px);
}

.th-modal-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--ainna-radius-lg, 12px);
  background: var(--ainna-accent-subtle, rgba(108, 92, 231, 0.12));
  flex-shrink: 0;
}

.th-modal-icon svg {
  width: 28px;
  height: 28px;
  color: var(--ainna-accent, #6c5ce7);
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.th-modal-title {
  font-size: var(--ainna-text-xl, 1.375rem);
  font-weight: var(--ainna-font-semibold, 600);
  color: var(--ainna-text-primary, #f1f2f6);
}

/* Modal body */
.th-modal-body {
  display: flex;
  flex-direction: column;
  gap: var(--ainna-space-5, 20px);
}

.th-modal-description {
  font-size: var(--ainna-text-base, 0.9375rem);
  line-height: var(--ainna-leading-relaxed, 1.65);
  color: var(--ainna-text-secondary, #a4a4b8);
}

.th-modal-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--ainna-space-4, 16px);
  padding: var(--ainna-space-5, 20px);
  background: var(--ainna-bg-secondary, #12121a);
  border-radius: var(--ainna-radius-lg, 12px);
}

.th-modal-meta-item {
  display: flex;
  flex-direction: column;
  gap: var(--ainna-space-1, 4px);
}

.th-modal-meta-label {
  font-size: 11px;
  font-weight: var(--ainna-font-medium, 500);
  color: var(--ainna-text-tertiary, #6b6b80);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.th-modal-meta-value {
  font-size: var(--ainna-text-sm, 0.8125rem);
  color: var(--ainna-text-primary, #f1f2f6);
}

/* Modal footer */
.th-modal-footer {
  display: flex;
  align-items: center;
  gap: var(--ainna-space-4, 16px);
  padding-top: var(--ainna-space-6, 24px);
  margin-top: var(--ainna-space-6, 24px);
  border-top: 1px solid var(--ainna-divider, rgba(255, 255, 255, 0.06));
}

.th-modal-footer .th-btn {
  flex: 1;
}

/* Focus trap indicator (visual only) */
.th-modal:focus {
  outline: none;
}

/* Modal scrollbar */
.th-modal::-webkit-scrollbar {
  width: 6px;
}

.th-modal::-webkit-scrollbar-track {
  background: transparent;
}

.th-modal::-webkit-scrollbar-thumb {
  background: var(--ainna-border, #2a2a3e);
  border-radius: 3px;
}

.th-modal::-webkit-scrollbar-thumb:hover {
  background: var(--ainna-text-tertiary, #6b6b80);
}

/* --------------------------------------------------------------------------
   16. EMPTY STATE
   -------------------------------------------------------------------------- */
.th-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--ainna-space-6, 24px);
  padding: var(--ainna-space-20, 80px) var(--ainna-space-6, 24px);
  text-align: center;
}

.th-empty-icon {
  width: 64px;
  height: 64px;
  color: var(--ainna-text-tertiary, #6b6b80);
  opacity: 0.5;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.th-empty-title {
  font-size: var(--ainna-text-xl, 1.375rem);
  font-weight: var(--ainna-font-semibold, 600);
  color: var(--ainna-text-primary, #f1f2f6);
}

.th-empty-desc {
  font-size: var(--ainna-text-base, 0.9375rem);
  color: var(--ainna-text-secondary, #a4a4b8);
  max-width: 400px;
  line-height: var(--ainna-leading-normal, 1.5);
}

.th-empty .th-btn {
  margin-top: var(--ainna-space-4, 16px);
}

/* --------------------------------------------------------------------------
   17. LOADING STATE — Skeleton Cards
   -------------------------------------------------------------------------- */
.th-skeleton-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--ainna-space-6, 24px);
}

.th-skeleton-card {
  display: flex;
  flex-direction: column;
  gap: var(--ainna-space-5, 20px);
  padding: var(--ainna-space-6, 24px);
  background: var(--ainna-bg-glass, rgba(30, 30, 46, 0.70));
  border: 1px solid var(--ainna-border, #2a2a3e);
  border-radius: var(--ainna-radius-card, 12px);
}

.th-skeleton-pulse {
  background: var(--ainna-skeleton-base, #1e1e2e);
  border-radius: var(--ainna-radius-sm, 6px);
  position: relative;
  overflow: hidden;
}

.th-skeleton-pulse::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent,
    var(--ainna-skeleton-shine, #2a2a3e),
    transparent
  );
  animation: th-skeleton-shimmer 1.5s ease-in-out infinite;
  transform: translateX(-100%);
}

@keyframes th-skeleton-shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

.th-skeleton-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--ainna-radius-lg, 12px);
}

.th-skeleton-line {
  height: 14px;
  width: 100%;
}

.th-skeleton-line--short {
  width: 60%;
}

.th-skeleton-line--medium {
  width: 80%;
}

.th-skeleton-tags {
  display: flex;
  gap: var(--ainna-space-2, 8px);
}

.th-skeleton-tag {
  height: 22px;
  width: 60px;
  border-radius: var(--ainna-radius-pill, 9999px);
}

.th-skeleton-actions {
  display: flex;
  gap: var(--ainna-space-3, 12px);
  padding-top: var(--ainna-space-4, 16px);
  border-top: 1px solid var(--ainna-divider, rgba(255, 255, 255, 0.06));
}

.th-skeleton-btn {
  height: 40px;
  flex: 1;
  border-radius: var(--ainna-radius-md, 8px);
}

/* --------------------------------------------------------------------------
   18. ERROR STATE
   -------------------------------------------------------------------------- */
.th-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--ainna-space-4, 16px);
  padding: var(--ainna-space-16, 64px) var(--ainna-space-6, 24px);
  text-align: center;
}

.th-error-icon {
  width: 48px;
  height: 48px;
  color: var(--ainna-red, #d63031);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.th-error-title {
  font-size: var(--ainna-text-lg, 1.125rem);
  font-weight: var(--ainna-font-semibold, 600);
  color: var(--ainna-text-primary, #f1f2f6);
}

.th-error-desc {
  font-size: var(--ainna-text-sm, 0.8125rem);
  color: var(--ainna-text-secondary, #a4a4b8);
  max-width: 400px;
  line-height: var(--ainna-leading-normal, 1.5);
}

.th-error .th-btn {
  margin-top: var(--ainna-space-4, 16px);
}

/* --------------------------------------------------------------------------
   19. ANIMATIONS
   -------------------------------------------------------------------------- */
@keyframes th-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes th-slide-up {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes th-slide-up-lg {
  from {
    opacity: 0;
    transform: translateY(32px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Entrance animations for cards */
.th-card-grid .th-card {
  animation: th-slide-up 0.4s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.th-card-grid .th-card:nth-child(1) { animation-delay: 0.02s; }
.th-card-grid .th-card:nth-child(2) { animation-delay: 0.04s; }
.th-card-grid .th-card:nth-child(3) { animation-delay: 0.06s; }
.th-card-grid .th-card:nth-child(4) { animation-delay: 0.08s; }
.th-card-grid .th-card:nth-child(5) { animation-delay: 0.10s; }
.th-card-grid .th-card:nth-child(6) { animation-delay: 0.12s; }
.th-card-grid .th-card:nth-child(7) { animation-delay: 0.14s; }
.th-card-grid .th-card:nth-child(8) { animation-delay: 0.16s; }
.th-card-grid .th-card:nth-child(9) { animation-delay: 0.18s; }
.th-card-grid .th-card:nth-child(10) { animation-delay: 0.20s; }
.th-card-grid .th-card:nth-child(11) { animation-delay: 0.22s; }
.th-card-grid .th-card:nth-child(12) { animation-delay: 0.24s; }

/* Hero entrance */
.th-hero-content {
  animation: th-slide-up-lg 0.6s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.th-stats {
  animation: th-fade-in 0.6s ease 0.3s both;
}

/* Section entrance */
.th-section {
  animation: th-fade-in 0.5s ease both;
}

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

  .th-hero::before,
  .th-hero::after {
    animation: none !important;
  }

  .th-arch-arrow {
    animation: none !important;
  }

  .th-skeleton-pulse::after {
    animation: none !important;
    display: none;
  }

  .th-card:hover {
    transform: none !important;
  }

  .th-btn:hover {
    transform: none !important;
  }

  .th-modal {
    transform: none !important;
  }

  .th-modal-overlay.is-open .th-modal {
    transform: none !important;
  }
}

/* --------------------------------------------------------------------------
   20. RESPONSIVE BREAKPOINTS
   -------------------------------------------------------------------------- */

/* 1440px and below */
@media (max-width: 1440px) {
  .th-container {
    max-width: 1200px;
  }
}

/* 1024px and below */
@media (max-width: 1024px) {
  .th-hero-title {
    font-size: var(--ainna-text-4xl, 3rem);
  }

  .th-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--ainna-space-4, 16px);
  }

  .th-card-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }

  .th-arch-row {
    gap: var(--ainna-space-4, 16px);
  }

  .th-arch-node {
    min-width: 120px;
    padding: var(--ainna-space-4, 16px);
  }

  .th-cta-title {
    font-size: var(--ainna-text-2xl, 1.75rem);
  }
}

/* 768px and below */
@media (max-width: 768px) {
  .th-hero {
    padding: var(--ainna-space-12, 48px) 0 var(--ainna-space-10, 40px);
  }

  .th-hero-title {
    font-size: var(--ainna-text-3xl, 2.25rem);
  }

  .th-hero-subtitle {
    font-size: var(--ainna-text-base, 0.9375rem);
  }

  .th-hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .th-hero-actions .th-btn {
    width: 100%;
  }

  .th-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--ainna-space-4, 16px);
  }

  .th-section {
    padding: var(--ainna-space-12, 48px) 0;
  }

  .th-section-header h2 {
    font-size: var(--ainna-text-xl, 1.375rem);
  }

  .th-card-grid {
    grid-template-columns: 1fr;
  }

  .th-filters {
    gap: var(--ainna-space-3, 12px);
  }

  .th-filter-chip {
    padding: var(--ainna-space-2, 8px) var(--ainna-space-4, 16px);
    font-size: 0.75rem;
  }

  .th-sort-wrapper {
    margin-left: 0;
  }

  .th-sort-select {
    min-width: 140px;
  }

  .th-assistant {
    padding: var(--ainna-space-6, 24px);
  }

  .th-assistant-results {
    grid-template-columns: 1fr;
  }

  .th-arch-diagram {
    padding: var(--ainna-space-6, 24px);
  }

  .th-arch-row {
    flex-direction: column;
    gap: var(--ainna-space-3, 12px);
  }

  .th-arch-connector {
    height: 24px;
  }

  .th-arch-connector .th-arch-line {
    display: none;
  }

  .th-cta {
    padding: var(--ainna-space-12, 48px) var(--ainna-space-6, 24px);
  }

  .th-cta-title {
    font-size: var(--ainna-text-2xl, 1.75rem);
  }

  .th-cta-desc {
    font-size: var(--ainna-text-base, 0.9375rem);
  }

  .th-modal {
    max-width: 100%;
    max-height: 90vh;
    margin: var(--ainna-space-4, 16px);
    padding: var(--ainna-space-6, 24px);
    border-radius: var(--ainna-radius-lg, 12px);
  }

  .th-modal-meta {
    grid-template-columns: 1fr;
  }

  .th-modal-footer {
    flex-direction: column;
  }

  .th-search {
    max-width: 100%;
  }

  .th-search-kbd {
    display: none;
  }
}

/* 480px and below */
@media (max-width: 480px) {
  .th-container {
    padding: 0 var(--ainna-space-4, 16px);
  }

  .th-hero-title {
    font-size: var(--ainna-text-2xl, 1.75rem);
  }

  .th-hero-subtitle {
    font-size: var(--ainna-text-sm, 0.8125rem);
  }

  .th-stats {
    grid-template-columns: 1fr 1fr;
    gap: var(--ainna-space-3, 12px);
  }

  .th-stat-value {
    font-size: var(--ainna-text-2xl, 1.75rem);
  }

  .th-section-header h2 {
    font-size: var(--ainna-text-lg, 1.125rem);
  }

  .th-card {
    padding: var(--ainna-space-5, 20px);
  }

  .th-card-header {
    flex-direction: column;
    gap: var(--ainna-space-2, 8px);
  }

  .th-card-title {
    font-size: var(--ainna-text-base, 0.9375rem);
  }

  .th-card-actions {
    flex-direction: column;
  }

  .th-card-actions .th-btn {
    width: 100%;
  }

  .th-filters {
    gap: var(--ainna-space-2, 8px);
  }

  .th-filter-chip {
    padding: var(--ainna-space-1, 4px) var(--ainna-space-3, 12px);
    font-size: 0.6875rem;
    min-height: 36px;
  }

  .th-sort-select {
    min-width: 120px;
    font-size: 0.75rem;
  }

  .th-assistant {
    padding: var(--ainna-space-4, 16px);
  }

  .th-assistant-textarea {
    min-height: 100px;
    padding: var(--ainna-space-4, 16px);
  }

  .th-cta-title {
    font-size: var(--ainna-text-xl, 1.375rem);
  }

  .th-cta .th-btn {
    width: 100%;
  }

  .th-modal {
    padding: var(--ainna-space-5, 20px);
  }

  .th-modal-header {
    flex-direction: column;
    align-items: flex-start;
    padding-right: var(--ainna-space-8, 32px);
  }

  .th-empty {
    padding: var(--ainna-space-12, 48px) var(--ainna-space-4, 16px);
  }

  .th-empty-icon {
    width: 48px;
    height: 48px;
  }

  .th-empty-title {
    font-size: var(--ainna-text-lg, 1.125rem);
  }
}

/* 360px and below */
@media (max-width: 360px) {
  .th-container {
    padding: 0 var(--ainna-space-3, 12px);
  }

  .th-hero-title {
    font-size: var(--ainna-text-xl, 1.375rem);
  }

  .th-stats {
    grid-template-columns: 1fr 1fr;
    gap: var(--ainna-space-2, 8px);
  }

  .th-stat-value {
    font-size: var(--ainna-text-xl, 1.375rem);
  }

  .th-stat-label {
    font-size: 0.6875rem;
  }

  .th-filter-chip {
    font-size: 0.625rem;
    padding: var(--ainna-space-1, 4px) var(--ainna-space-2, 8px);
    min-height: 32px;
  }

  .th-sort-select {
    min-width: 100px;
    font-size: 0.6875rem;
    padding-right: var(--ainna-space-8, 32px);
  }

  .th-card {
    padding: var(--ainna-space-4, 16px);
  }

  .th-card-icon {
    width: 40px;
    height: 40px;
  }

  .th-card-icon svg {
    width: 20px;
    height: 20px;
  }

  .th-modal {
    padding: var(--ainna-space-4, 16px);
    margin: var(--ainna-space-2, 8px);
  }
}

/* --------------------------------------------------------------------------
   21. ACCESSIBILITY
   -------------------------------------------------------------------------- */

/* Focus-visible outlines */
:focus-visible {
  outline: 2px solid var(--ainna-border-focus, #6c5ce7);
  outline-offset: 2px;
}

/* Remove outline for mouse focus */
:focus:not(:focus-visible) {
  outline: none;
}

/* Skip link (if present) */
.th-skip-link {
  position: absolute;
  top: -100%;
  left: var(--ainna-space-4, 16px);
  z-index: var(--ainna-z-toast, 700);
  padding: var(--ainna-space-2, 8px) var(--ainna-space-4, 16px);
  background: var(--ainna-accent, #6c5ce7);
  color: #ffffff;
  border-radius: var(--ainna-radius-md, 8px);
  font-size: var(--ainna-text-sm, 0.8125rem);
  font-weight: var(--ainna-font-medium, 500);
  transition: top var(--ainna-transition-fast, 150ms cubic-bezier(0.4, 0, 0.2, 1));
}

.th-skip-link:focus {
  top: var(--ainna-space-4, 16px);
}

/* Screen reader only */
.th-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;
}

/* Ensure sufficient contrast on interactive elements */
.th-btn-primary {
  color: #ffffff;
}

.th-btn-secondary {
  color: var(--ainna-text-primary, #f1f2f6);
}

/* Touch targets */
.th-btn,
.th-filter-chip,
.th-sort-select,
.th-modal-close,
.th-assistant-submit {
  min-height: 44px;
}

.th-filter-chip,
.th-sort-select {
  min-height: 40px;
}

/* Reduced data motion preference for hero glow */
@media (prefers-reduced-motion: no-preference) {
  .th-hero::before,
  .th-hero::after {
    animation: th-hero-glow 8s ease-in-out infinite alternate;
  }

  .th-hero::after {
    animation-duration: 10s;
    animation-direction: alternate-reverse;
  }
}

/* --------------------------------------------------------------------------
   22. DARK/LIGHT THEME — Additional refinements
   -------------------------------------------------------------------------- */

/* Light theme card adjustments */
[data-theme="light"] .th-card {
  background: var(--ainna-bg-glass, rgba(255, 255, 255, 0.75));
  border-color: var(--ainna-border, #dcdce6);
}

[data-theme="light"] .th-card:hover {
  background: var(--ainna-bg-glass-hover, rgba(255, 255, 255, 0.90));
  border-color: var(--ainna-accent, #5a4bd1);
}

[data-theme="light"] .th-search-input {
  background: var(--ainna-bg-glass, rgba(255, 255, 255, 0.75));
  border-color: var(--ainna-border, #dcdce6);
}

[data-theme="light"] .th-search-input:focus {
  background: #ffffff;
}

[data-theme="light"] .th-filter-chip {
  background: var(--ainna-bg-glass, rgba(255, 255, 255, 0.75));
  border-color: var(--ainna-border-light, #e8e8f0);
}

[data-theme="light"] .th-filter-chip.is-active,
[data-theme="light"] .th-filter-chip[aria-pressed="true"] {
  color: #ffffff;
  background: var(--ainna-accent, #5a4bd1);
  border-color: var(--ainna-accent, #5a4bd1);
}

[data-theme="light"] .th-sort-select {
  background: var(--ainna-bg-glass, rgba(255, 255, 255, 0.75));
  border-color: var(--ainna-border-light, #e8e8f0);
}

[data-theme="light"] .th-assistant {
  background: var(--ainna-bg-secondary, #f0f1f5);
  border-color: var(--ainna-border, #dcdce6);
}

[data-theme="light"] .th-assistant-textarea {
  background: var(--ainna-bg-input, #ffffff);
  border-color: var(--ainna-border, #dcdce6);
}

[data-theme="light"] .th-assistant-card {
  background: var(--ainna-bg-glass, rgba(255, 255, 255, 0.75));
  border-color: var(--ainna-border-light, #e8e8f0);
}

[data-theme="light"] .th-assistant-card:hover {
  background: var(--ainna-bg-glass-hover, rgba(255, 255, 255, 0.90));
}

[data-theme="light"] .th-arch-diagram {
  background: var(--ainna-bg-secondary, #f0f1f5);
  border-color: var(--ainna-border, #dcdce6);
}

[data-theme="light"] .th-arch-node {
  background: var(--ainna-bg-glass, rgba(255, 255, 255, 0.75));
  border-color: var(--ainna-border, #dcdce6);
}

[data-theme="light"] .th-arch-node:hover {
  background: var(--ainna-bg-glass-hover, rgba(255, 255, 255, 0.90));
}

[data-theme="light"] .th-modal {
  background: var(--ainna-bg-elevated, #ffffff);
  border-color: var(--ainna-border, #dcdce6);
}

[data-theme="light"] .th-modal-meta {
  background: var(--ainna-bg-secondary, #f0f1f5);
}

[data-theme="light"] .th-tag {
  background: var(--ainna-bg-tertiary, #e8e9ef);
  border-color: var(--ainna-border-light, #e8e8f0);
}

[data-theme="light"] .th-tag:hover {
  background: var(--ainna-accent-subtle, rgba(90, 75, 209, 0.08));
  border-color: var(--ainna-accent, #5a4bd1);
}

[data-theme="light"] .th-status--coming-soon {
  background: var(--ainna-bg-tertiary, #e8e9ef);
}

[data-theme="light"] .th-skeleton-card {
  background: var(--ainna-bg-glass, rgba(255, 255, 255, 0.75));
  border-color: var(--ainna-border, #dcdce6);
}

[data-theme="light"] .th-search-kbd {
  background: var(--ainna-bg-tertiary, #e8e9ef);
  border-color: var(--ainna-border-light, #e8e8f0);
}

/* --------------------------------------------------------------------------
   23. PRINT STYLES
   -------------------------------------------------------------------------- */
@media print {
  *,
  *::before,
  *::after {
    background: transparent !important;
    color: #000 !important;
    box-shadow: none !important;
    text-shadow: none !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }

  body {
    font-size: 12pt;
    line-height: 1.5;
  }

  .th-hero::before,
  .th-hero::after,
  .th-hero-glow {
    display: none !important;
  }

  .th-search,
  .th-filters,
  .th-sort-wrapper,
  .th-assistant,
  .th-architecture,
  .th-cta,
  .th-modal-overlay,
  .th-empty,
  .th-error,
  .th-skeleton-grid {
    display: none !important;
  }

  .th-container {
    max-width: 100%;
    padding: 0;
  }

  .th-section {
    padding: 24pt 0;
    page-break-inside: avoid;
    border-top: 1px solid #ccc;
  }

  .th-card-grid {
    display: block;
  }

  .th-card {
    display: block;
    page-break-inside: avoid;
    margin-bottom: 16pt;
    padding: 12pt;
    border: 1px solid #ccc;
    border-radius: 4pt;
    transform: none !important;
  }

  .th-card:hover {
    transform: none !important;
  }

  .th-card-icon {
    display: inline-flex;
    width: 36pt;
    height: 36pt;
    margin-bottom: 8pt;
  }

  .th-card-actions {
    display: none;
  }

  .th-card-status {
    border: 1px solid #999;
    color: #000 !important;
  }

  .th-card-status::before {
    background: #000 !important;
  }

  .th-tag {
    border: 1px solid #ccc;
    color: #333 !important;
  }

  .th-section-header::after {
    background: #ccc !important;
    opacity: 1;
  }

  .th-hero-title {
    font-size: 24pt;
  }

  .th-hero-subtitle {
    font-size: 12pt;
    color: #333 !important;
  }

  .th-stat-value {
    font-size: 18pt;
  }

  .th-stat-label {
    color: #666 !important;
  }

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 9pt;
    color: #666;
  }

  .th-btn::after {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   24. HERO ASCII ART
   -------------------------------------------------------------------------- */

.th-hero-inner {
  display: flex;
  align-items: center;
  gap: var(--ainna-space-10, 40px);
}

.th-hero-content {
  flex: 1;
  min-width: 0;
}

/* ── Crystal lattice hero (shared engine, /nanotech/ port) ─────────── */
.th-hero .ant-lattice-wrap {
  position: relative;
  flex-shrink: 0;
  width: min(360px, 42vw);
  max-width: 360px;
  aspect-ratio: 1 / 1;
  margin: 0 auto;
  /* Crystal lattice vars (scoped to the tools hero) */
  --ant-bg-1: #0d1017;
  --ant-muted: #9aa4b8;
  --ant-muted-2: #6d768a;
  --ant-line-2: #29334a;
  --ant-cyan: #22d3ee;
  --ant-text: #e8edf6;
}
[data-theme="light"] .th-hero .ant-lattice-wrap {
  --ant-bg-1: #ffffff;
  --ant-muted: #475569;
  --ant-muted-2: #64748b;
  --ant-line-2: #94a3b8;
  --ant-cyan: #0891b2;
  --ant-text: #0f172a;
}
.th-hero .ant-lattice-wrap::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(34,211,238,0.45), rgba(91,157,255,0.15), rgba(167,139,250,0.45));
  opacity: 0.55;
  z-index: 0;
  animation: ant-lattice-ring 4.5s ease-in-out infinite alternate;
  pointer-events: none;
}
@keyframes ant-lattice-ring {
  0% { opacity: 0.35; filter: blur(0px); }
  100% { opacity: 0.75; filter: blur(0.5px); }
}
.th-hero .ant-lattice-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  touch-action: none;
  cursor: grab;
  border-radius: 20px;
  border: 1px solid rgba(91, 157, 255, 0.35);
  background:
    radial-gradient(circle at 50% 42%, rgba(91, 157, 255, 0.14), transparent 58%),
    radial-gradient(circle at 70% 70%, rgba(167, 139, 250, 0.08), transparent 50%),
    var(--ant-bg-1);
  box-shadow:
    0 0 40px rgba(91, 157, 255, 0.12),
    0 18px 50px rgba(0, 0, 0, 0.45);
  z-index: 1;
}
.th-hero .ant-lattice-canvas:active { cursor: grabbing; }
.th-hero .ant-lattice-hud,
.th-hero .ant-lattice-controls,
.th-hero .ant-lattice-hint { z-index: 2; }
.th-hero .ant-lattice-hud {
  position: absolute;
  top: 12px; left: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  pointer-events: none;
}
.th-hero .ant-lattice-hud b { font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ant-muted); font-weight: 700; }
.th-hero .ant-lattice-hud span { font-size: 11px; color: var(--ant-muted-2); }
.th-hero .ant-lattice-controls {
  position: absolute;
  bottom: 12px; left: 12px; right: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  pointer-events: auto;
}
.th-hero .ant-toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(8, 10, 15, 0.82);
  border: 1px solid var(--ant-line-2);
  color: var(--ant-muted);
  font-size: 12px;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  min-height: 40px;
}
.th-hero .ant-toggle i { width: 8px; height: 8px; border-radius: 50%; background: var(--ant-muted-2); }
.th-hero .ant-toggle.ant-on { color: var(--ant-cyan); border-color: rgba(34, 211, 238, 0.5); }
.th-hero .ant-toggle.ant-on i { background: var(--ant-cyan); box-shadow: 0 0 10px var(--ant-cyan); }
.th-hero .ant-zoom-group { display: inline-flex; gap: 6px; margin-left: auto; }
.th-hero .ant-zoom-btn {
  width: 40px; height: 40px;
  background: rgba(8, 10, 15, 0.82);
  border: 1px solid var(--ant-line-2);
  color: var(--ant-text);
  border-radius: 8px;
  cursor: pointer;
  font-size: 17px;
  font-weight: 700;
  line-height: 1;
}
.th-hero .ant-lattice-hint { position: absolute; bottom: 74px; left: 0; right: 0; text-align: center; font-size: 11px; color: var(--ant-muted-2); pointer-events: none; }

@media (prefers-reduced-motion: reduce) {
  .th-hero .ant-lattice-wrap::before { animation: none !important; }
}

@media (max-width: 768px) {
  .th-hero-inner {
    flex-direction: column;
    gap: var(--ainna-space-6, 24px);
  }

  .th-hero .ant-lattice-wrap {
    display: none;
  }
}

@media (max-width: 480px) {
  .th-hero .ant-lattice-wrap {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   25. COMPACT ANIMATED ARCHITECTURE
   -------------------------------------------------------------------------- */

.th-arch-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: var(--ainna-space-8, 32px) var(--ainna-space-4, 16px);
  background: var(--ainna-bg-secondary, #12121a);
  border: 1px solid var(--ainna-border, #2a2a3e);
  border-radius: var(--ainna-radius-xl, 16px);
  flex-wrap: nowrap;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.th-arch-flow::-webkit-scrollbar {
  display: none;
}

.th-arch-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--ainna-space-2, 8px);
  padding: var(--ainna-space-3, 12px) var(--ainna-space-4, 16px);
  min-width: 80px;
  text-align: center;
  animation: th-arch-fade-in 0.5s ease both;
}

.th-arch-step:nth-child(1) { animation-delay: 0s; }
.th-arch-step:nth-child(3) { animation-delay: 0.15s; }
.th-arch-step:nth-child(5) { animation-delay: 0.3s; }
.th-arch-step:nth-child(7) { animation-delay: 0.45s; }

.th-arch-step-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--ainna-radius-lg, 12px);
  background: var(--ainna-accent-subtle, rgba(108, 92, 231, 0.12));
  transition: all var(--ainna-transition-base, 200ms cubic-bezier(0.4, 0, 0.2, 1));
}

.th-arch-step:hover .th-arch-step-icon {
  background: var(--ainna-accent, #6c5ce7);
  transform: scale(1.1);
  box-shadow: 0 0 20px var(--ainna-accent-glow, rgba(108, 92, 231, 0.4));
}

.th-arch-step:hover .th-arch-step-icon svg {
  color: #ffffff;
}

.th-arch-step-icon svg {
  width: 24px;
  height: 24px;
  color: var(--ainna-accent, #6c5ce7);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: color var(--ainna-transition-base, 200ms cubic-bezier(0.4, 0, 0.2, 1));
}

.th-arch-step-label {
  font-size: var(--ainna-text-xs, 0.75rem);
  font-weight: var(--ainna-font-medium, 500);
  color: var(--ainna-text-secondary, #a4a4b8);
  white-space: nowrap;
}

/* Animated connector dots */
.th-arch-connector {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 var(--ainna-space-2, 8px);
}

.th-arch-dot {
  width: 5px;
  height: 5px;
  border-radius: var(--ainna-radius-full, 50%);
  background: var(--ainna-accent, #6c5ce7);
  opacity: 0.3;
  animation: th-arch-dot-pulse 1.5s ease-in-out infinite;
}

.th-arch-dot:nth-child(2) { animation-delay: 0.3s; }
.th-arch-dot:nth-child(3) { animation-delay: 0.6s; }

@keyframes th-arch-dot-pulse {
  0%, 100% { opacity: 0.2; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.3); }
}

@keyframes th-arch-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Badges row */
.th-arch-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--ainna-space-3, 12px);
  margin-top: var(--ainna-space-6, 24px);
}

.th-arch-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--ainna-space-2, 8px);
  padding: var(--ainna-space-2, 8px) var(--ainna-space-4, 16px);
  font-size: var(--ainna-text-xs, 0.75rem);
  font-weight: var(--ainna-font-medium, 500);
  color: var(--ainna-text-secondary, #a4a4b8);
  background: var(--ainna-bg-glass, rgba(30, 30, 46, 0.70));
  border: 1px solid var(--ainna-border-light, #222236);
  border-radius: var(--ainna-radius-pill, 9999px);
  backdrop-filter: blur(var(--ainna-glass-blur, 12px));
  -webkit-backdrop-filter: blur(var(--ainna-glass-blur, 12px));
  white-space: nowrap;
  transition: all var(--ainna-transition-base, 200ms cubic-bezier(0.4, 0, 0.2, 1));
}

.th-arch-badge:hover {
  color: var(--ainna-text-primary, #f1f2f6);
  border-color: var(--ainna-accent, #6c5ce7);
  background: var(--ainna-accent-subtle, rgba(108, 92, 231, 0.12));
}

.th-arch-badge svg {
  width: 14px;
  height: 14px;
  color: var(--ainna-accent, #6c5ce7);
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Light theme */
[data-theme="light"] .th-arch-flow {
  background: var(--ainna-bg-secondary, #f0f1f5);
  border-color: var(--ainna-border, #dcdce6);
}

[data-theme="light"] .th-arch-badge {
  background: var(--ainna-bg-glass, rgba(255, 255, 255, 0.75));
  border-color: var(--ainna-border-light, #e8e8f0);
}

/* Responsive */
@media (max-width: 768px) {
  .th-arch-flow {
    flex-direction: column;
    gap: var(--ainna-space-2, 8px);
    padding: var(--ainna-space-6, 24px);
  }

  .th-arch-connector {
    transform: rotate(90deg);
    padding: var(--ainna-space-1, 4px) 0;
  }
}

/* --------------------------------------------------------------------------
   25. ALIASES — Match HTML classes used in index.php
   -------------------------------------------------------------------------- */

/* Hero stats grid */
.th-hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--ainna-space-6, 24px);
  padding: var(--ainna-space-6, 24px) 0;
  border-top: 1px solid var(--ainna-divider, rgba(255, 255, 255, 0.06));
}

/* Search section */
.th-search-section {
  position: relative;
  margin-bottom: var(--ainna-space-8, 32px);
}

.th-search-bar {
  position: relative;
  max-width: 640px;
  margin-bottom: var(--ainna-space-6, 24px);
}

.th-search-hint {
  position: absolute;
  right: var(--ainna-space-4, 16px);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: 3px;
  padding: 3px 7px;
  font-size: 11px;
  font-family: var(--ainna-font-mono, 'JetBrains Mono', monospace);
  color: var(--ainna-text-tertiary, #6b6b80);
  background: var(--ainna-bg-tertiary, #1a1a26);
  border: 1px solid var(--ainna-border-light, #222236);
  border-radius: var(--ainna-radius-sm, 6px);
  pointer-events: none;
  line-height: 1;
  letter-spacing: 0.02em;
}

.th-search-hint kbd {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* Filter row */
.th-filter-row {
  display: flex;
  align-items: center;
  gap: var(--ainna-space-4, 16px);
  margin-bottom: var(--ainna-space-8, 32px);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: var(--ainna-space-1, 4px);
}

.th-filter-row::-webkit-scrollbar {
  display: none;
}

/* Chips container */
.th-chips {
  display: flex;
  align-items: center;
  gap: var(--ainna-space-2, 8px);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.th-chips::-webkit-scrollbar {
  display: none;
}

/* Individual chip */
.th-chip {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: var(--ainna-space-2, 8px);
  padding: var(--ainna-space-2, 8px) var(--ainna-space-5, 20px);
  font-size: var(--ainna-text-sm, 0.8125rem);
  font-weight: var(--ainna-font-medium, 500);
  color: var(--ainna-text-secondary, #a4a4b8);
  background: var(--ainna-bg-glass, rgba(30, 30, 46, 0.70));
  border: 1px solid var(--ainna-border-light, #222236);
  border-radius: var(--ainna-radius-pill, 9999px);
  backdrop-filter: blur(var(--ainna-glass-blur, 12px));
  -webkit-backdrop-filter: blur(var(--ainna-glass-blur, 12px));
  cursor: pointer;
  transition: all var(--ainna-transition-base, 200ms cubic-bezier(0.4, 0, 0.2, 1));
  white-space: nowrap;
  min-height: 40px;
  user-select: none;
}

.th-chip:hover {
  color: var(--ainna-text-primary, #f1f2f6);
  border-color: var(--ainna-accent, #6c5ce7);
  background: var(--ainna-accent-subtle, rgba(108, 92, 231, 0.12));
}

.th-chip:active {
  transform: scale(0.97);
}

.th-chip--active,
.th-chip[aria-pressed="true"] {
  color: #ffffff;
  background: var(--ainna-accent, #6c5ce7);
  border-color: var(--ainna-accent, #6c5ce7);
}

.th-chip--active:hover,
.th-chip[aria-pressed="true"]:hover {
  background: var(--ainna-accent-hover, #7f70f0);
  border-color: var(--ainna-accent-hover, #7f70f0);
}

/* Grid layouts */
.th-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--ainna-space-6, 24px);
}

.th-grid--featured,
.th-grid--recent,
.th-grid--all {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--ainna-space-6, 24px);
}

/* Section badge */
.th-section-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  font-size: 11px;
  font-weight: var(--ainna-font-semibold, 600);
  color: var(--ainna-text-secondary, #a4a4b8);
  background: var(--ainna-bg-tertiary, #1a1a26);
  border: 1px solid var(--ainna-border-light, #222236);
  border-radius: var(--ainna-radius-pill, 9999px);
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Button large */
.th-btn-lg {
  padding: var(--ainna-space-4, 16px) var(--ainna-space-8, 32px);
  font-size: var(--ainna-text-base, 0.9375rem);
  min-height: 48px;
}

/* Empty state */
.th-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--ainna-space-6, 24px);
  padding: var(--ainna-space-20, 80px) var(--ainna-space-6, 24px);
  text-align: center;
}

/* Problem assistant section */
.th-problem-section {
  padding: var(--ainna-space-16, 64px) 0;
}

.th-problem-card {
  background: var(--ainna-bg-secondary, #12121a);
  border: 1px solid var(--ainna-border, #2a2a3e);
  border-radius: var(--ainna-radius-xl, 16px);
  padding: var(--ainna-space-10, 40px);
}

.th-problem-header {
  display: flex;
  align-items: center;
  gap: var(--ainna-space-4, 16px);
  margin-bottom: var(--ainna-space-4, 16px);
}

.th-problem-header svg {
  width: 28px;
  height: 28px;
  color: var(--ainna-accent, #6c5ce7);
  flex-shrink: 0;
}

.th-problem-desc {
  font-size: var(--ainna-text-base, 0.9375rem);
  color: var(--ainna-text-secondary, #a4a4b8);
  margin-bottom: var(--ainna-space-6, 24px);
  line-height: var(--ainna-leading-normal, 1.5);
}

.th-problem-form {
  display: flex;
  flex-direction: column;
  gap: var(--ainna-space-4, 16px);
}

.th-problem-input {
  width: 100%;
  min-height: 100px;
  padding: var(--ainna-space-5, 20px);
  font-size: var(--ainna-text-base, 0.9375rem);
  line-height: var(--ainna-leading-normal, 1.5);
  color: var(--ainna-text-primary, #f1f2f6);
  background: var(--ainna-bg-input, #16161f);
  border: 1px solid var(--ainna-border, #2a2a3e);
  border-radius: var(--ainna-radius-lg, 12px);
  resize: vertical;
  outline: none;
  transition: all var(--ainna-transition-base, 200ms cubic-bezier(0.4, 0, 0.2, 1));
  font-family: inherit;
}

.th-problem-input::placeholder {
  color: var(--ainna-text-tertiary, #6b6b80);
}

.th-problem-input:focus {
  border-color: var(--ainna-border-focus, #6c5ce7);
  box-shadow: 0 0 0 3px var(--ainna-accent-subtle, rgba(108, 92, 231, 0.12));
}

.th-problem-hint {
  font-size: var(--ainna-text-sm, 0.8125rem);
  color: var(--ainna-text-tertiary, #6b6b80);
}

.th-problem-submit {
  align-self: flex-end;
}

.th-problem-result {
  margin-top: var(--ainna-space-6, 24px);
}

.th-problem-result-inner {
  display: flex;
  align-items: center;
  gap: var(--ainna-space-4, 16px);
  padding: var(--ainna-space-5, 20px);
  background: var(--ainna-green-subtle, rgba(0, 184, 148, 0.10));
  border: 1px solid var(--ainna-green, #00b894);
  border-radius: var(--ainna-radius-lg, 12px);
}

.th-problem-result-icon svg {
  width: 24px;
  height: 24px;
  color: var(--ainna-green, #00b894);
}

.th-problem-result-label {
  font-size: var(--ainna-text-sm, 0.8125rem);
  color: var(--ainna-text-secondary, #a4a4b8);
  margin-bottom: 2px;
}

.th-problem-result-link {
  font-size: var(--ainna-text-base, 0.9375rem);
  font-weight: var(--ainna-font-semibold, 600);
  color: var(--ainna-text-link, #7f70f0);
}

.th-problem-result-link:hover {
  color: var(--ainna-text-link-hover, #9b8ff5);
  text-decoration: underline;
}

.th-problem-noresult {
  margin-top: var(--ainna-space-6, 24px);
  padding: var(--ainna-space-5, 20px);
  background: var(--ainna-red-subtle, rgba(214, 48, 49, 0.10));
  border: 1px solid var(--ainna-red, #d63031);
  border-radius: var(--ainna-radius-lg, 12px);
  color: var(--ainna-text-primary, #f1f2f6);
  font-size: var(--ainna-text-sm, 0.8125rem);
}

/* Architecture section */
.th-arch-section {
  padding: var(--ainna-space-16, 64px) 0;
}

.th-arch-header {
  margin-bottom: var(--ainna-space-8, 32px);
}

.th-arch-subtitle {
  font-size: var(--ainna-text-base, 0.9375rem);
  color: var(--ainna-text-secondary, #a4a4b8);
  margin-top: var(--ainna-space-2, 8px);
  line-height: var(--ainna-leading-normal, 1.5);
}

.th-arch-features {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--ainna-space-4, 16px);
  margin-top: var(--ainna-space-8, 32px);
}

.th-arch-feature {
  display: flex;
  align-items: center;
  gap: var(--ainna-space-3, 12px);
  padding: var(--ainna-space-4, 16px);
  background: var(--ainna-bg-glass, rgba(30, 30, 46, 0.70));
  border: 1px solid var(--ainna-border-light, #222236);
  border-radius: var(--ainna-radius-lg, 12px);
  font-size: var(--ainna-text-sm, 0.8125rem);
  color: var(--ainna-text-secondary, #a4a4b8);
}

.th-arch-feature svg {
  width: 20px;
  height: 20px;
  color: var(--ainna-accent, #6c5ce7);
  flex-shrink: 0;
}

/* Enterprise section */
.th-enterprise-section {
  padding: var(--ainna-space-16, 64px) 0;
}

.th-enterprise-card {
  position: relative;
  padding: var(--ainna-space-20, 80px) var(--ainna-space-10, 40px);
  text-align: center;
  background: linear-gradient(
    135deg,
    var(--ainna-accent, #6c5ce7) 0%,
    var(--ainna-blue, #54a0ff) 50%,
    var(--ainna-cyan, #00d2d3) 100%
  );
  border-radius: var(--ainna-radius-xl, 16px);
  overflow: hidden;
  isolation: isolate;
}

.th-enterprise-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at 30% 50%,
    rgba(255, 255, 255, 0.12) 0%,
    transparent 60%
  );
  pointer-events: none;
  z-index: 0;
}

.th-enterprise-card * {
  position: relative;
  z-index: 1;
}

.th-enterprise-title {
  font-size: var(--ainna-text-3xl, 2.25rem);
  font-weight: var(--ainna-font-bold, 700);
  color: #ffffff;
  margin-bottom: var(--ainna-space-4, 16px);
  letter-spacing: -0.02em;
}

.th-enterprise-desc {
  font-size: var(--ainna-text-lg, 1.125rem);
  color: rgba(255, 255, 255, 0.80);
  max-width: 560px;
  margin: 0 auto var(--ainna-space-8, 32px);
  line-height: var(--ainna-leading-relaxed, 1.65);
}

.th-enterprise-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--ainna-space-4, 16px);
}

.th-enterprise-actions .th-btn {
  border-color: rgba(255, 255, 255, 0.30);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.10);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  min-height: 48px;
  padding: var(--ainna-space-3, 12px) var(--ainna-space-8, 32px);
  font-size: var(--ainna-text-base, 0.9375rem);
}

.th-enterprise-actions .th-btn:hover {
  background: rgba(255, 255, 255, 0.20);
  border-color: rgba(255, 255, 255, 0.50);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.20);
}

.th-enterprise-actions .th-btn-primary {
  background: #ffffff;
  color: var(--ainna-accent, #6c5ce7);
  border-color: #ffffff;
}

.th-enterprise-actions .th-btn-primary:hover {
  background: rgba(255, 255, 255, 0.90);
  border-color: rgba(255, 255, 255, 0.90);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

/* Modal container */
.th-modal-container {
  position: relative;
  z-index: var(--ainna-z-modal, 600);
  width: 100%;
  max-width: 640px;
  max-height: 85vh;
  overflow-y: auto;
  background: var(--ainna-bg-elevated, #1e1e2e);
  border: 1px solid var(--ainna-border, #2a2a3e);
  border-radius: var(--ainna-radius-xl, 16px);
  box-shadow: var(--ainna-shadow-modal, 0 24px 80px rgba(0, 0, 0, 0.60));
  transform: translateY(20px) scale(0.97);
  transition: transform var(--ainna-transition-slow, 350ms cubic-bezier(0.4, 0, 0.2, 1));
  padding: var(--ainna-space-8, 32px);
}

.th-modal-overlay.is-open .th-modal-container {
  transform: translateY(0) scale(1);
}

/* Modal content area */
#th-modal-content {
  display: flex;
  flex-direction: column;
  gap: var(--ainna-space-5, 20px);
}

/* Modal description */
.th-modal-desc {
  font-size: var(--ainna-text-base, 0.9375rem);
  line-height: var(--ainna-leading-relaxed, 1.65);
  color: var(--ainna-text-secondary, #a4a4b8);
}

/* Modal label/value */
.th-modal-label {
  font-size: 11px;
  font-weight: var(--ainna-font-medium, 500);
  color: var(--ainna-text-tertiary, #6b6b80);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.th-modal-value {
  font-size: var(--ainna-text-sm, 0.8125rem);
  color: var(--ainna-text-primary, #f1f2f6);
}

/* Modal section */
.th-modal-section {
  margin-top: var(--ainna-space-4, 16px);
}

.th-modal-section h4 {
  font-size: var(--ainna-text-sm, 0.8125rem);
  font-weight: var(--ainna-font-semibold, 600);
  color: var(--ainna-text-primary, #f1f2f6);
  margin-bottom: var(--ainna-space-2, 8px);
}

.th-modal-section p {
  font-size: var(--ainna-text-sm, 0.8125rem);
  color: var(--ainna-text-secondary, #a4a4b8);
  line-height: var(--ainna-leading-normal, 1.5);
}

/* Modal list */
.th-modal-list {
  list-style: disc;
  padding-left: var(--ainna-space-5, 20px);
  font-size: var(--ainna-text-sm, 0.8125rem);
  color: var(--ainna-text-secondary, #a4a4b8);
  line-height: var(--ainna-leading-normal, 1.5);
}

.th-modal-list li {
  margin-bottom: var(--ainna-space-1, 4px);
}

/* Modal IO */
.th-modal-io {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--ainna-space-4, 16px);
}

.th-modal-io-item {
  display: flex;
  flex-direction: column;
  gap: var(--ainna-space-1, 4px);
}

/* Modal capabilities */
.th-modal-caps {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ainna-space-2, 8px);
}

.th-cap-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: var(--ainna-font-medium, 500);
  color: var(--ainna-cyan, #00d2d3);
  background: var(--ainna-cyan-subtle, rgba(0, 210, 211, 0.10));
  border: 1px solid rgba(0, 210, 211, 0.20);
  border-radius: var(--ainna-radius-pill, 9999px);
  white-space: nowrap;
  line-height: 1.3;
}

/* Pre-rendered modal panels */
.th-modal-panel[hidden] {
  display: none;
}

/* Background blobs */
.th-bg-blobs {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.th-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
}

.th-blob-1 {
  width: 600px;
  height: 600px;
  top: -200px;
  right: -100px;
  background: var(--ainna-accent, #6c5ce7);
  animation: th-hero-glow 8s ease-in-out infinite alternate;
}

.th-blob-2 {
  width: 500px;
  height: 500px;
  bottom: -150px;
  left: -100px;
  background: var(--ainna-cyan, #00d2d3);
  animation: th-hero-glow 10s ease-in-out infinite alternate-reverse;
}

.th-blob-3 {
  width: 400px;
  height: 400px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--ainna-blue, #54a0ff);
  animation: th-hero-glow 12s ease-in-out infinite alternate;
}

.th-bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(var(--ainna-border-light, #222236) 1px, transparent 1px),
    linear-gradient(90deg, var(--ainna-border-light, #222236) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.3;
}

.th-aurora-container {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.th-aurora-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.08;
}

.th-aurora-1 {
  width: 800px;
  height: 800px;
  top: -300px;
  right: -200px;
  background: linear-gradient(135deg, var(--ainna-accent, #6c5ce7), var(--ainna-cyan, #00d2d3));
}

.th-aurora-2 {
  width: 600px;
  height: 600px;
  bottom: -200px;
  left: -150px;
  background: linear-gradient(135deg, var(--ainna-blue, #54a0ff), var(--ainna-purple, #a29bfe));
}

.th-aurora-3 {
  width: 500px;
  height: 500px;
  top: 40%;
  left: 60%;
  background: linear-gradient(135deg, var(--ainna-cyan, #00d2d3), var(--ainna-green, #00b894));
}

/* Visually hidden */
.th-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Sort label */
.th-sort-label {
  font-size: var(--ainna-text-sm, 0.8125rem);
  color: var(--ainna-text-tertiary, #6b6b80);
  white-space: nowrap;
}

.th-sort-select-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.th-sort-select-wrap svg {
  position: absolute;
  right: var(--ainna-space-4, 16px);
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--ainna-text-tertiary, #6b6b80);
  pointer-events: none;
}

/* Modal status badge */
.th-modal-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: var(--ainna-font-semibold, 600);
  line-height: 1;
  border-radius: var(--ainna-radius-pill, 9999px);
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

/* Light theme overrides for new sections */
[data-theme="light"] .th-chip {
  background: var(--ainna-bg-glass, rgba(255, 255, 255, 0.75));
  border-color: var(--ainna-border-light, #e8e8f0);
}

[data-theme="light"] .th-chip--active,
[data-theme="light"] .th-chip[aria-pressed="true"] {
  color: #ffffff;
  background: var(--ainna-accent, #5a4bd1);
  border-color: var(--ainna-accent, #5a4bd1);
}

[data-theme="light"] .th-problem-card {
  background: var(--ainna-bg-secondary, #f0f1f5);
  border-color: var(--ainna-border, #dcdce6);
}

[data-theme="light"] .th-problem-input {
  background: var(--ainna-bg-input, #ffffff);
  border-color: var(--ainna-border, #dcdce6);
}

[data-theme="light"] .th-arch-feature {
  background: var(--ainna-bg-glass, rgba(255, 255, 255, 0.75));
  border-color: var(--ainna-border-light, #e8e8f0);
}

[data-theme="light"] .th-section-badge {
  background: var(--ainna-bg-tertiary, #e8e9ef);
  border-color: var(--ainna-border-light, #e8e8f0);
}

[data-theme="light"] .th-search-hint {
  background: var(--ainna-bg-tertiary, #e8e9ef);
  border-color: var(--ainna-border-light, #e8e8f0);
}

[data-theme="light"] .th-modal-container {
  background: var(--ainna-bg-elevated, #ffffff);
  border-color: var(--ainna-border, #dcdce6);
}

[data-theme="light"] .th-cap-badge {
  color: var(--ainna-cyan, #00b894);
  background: var(--ainna-cyan-subtle, rgba(0, 184, 148, 0.08));
  border-color: rgba(0, 184, 148, 0.15);
}

/* Responsive: hero stats */
@media (max-width: 768px) {
  .th-hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--ainna-space-4, 16px);
  }
}

@media (max-width: 480px) {
  .th-hero-stats {
    grid-template-columns: 1fr 1fr;
    gap: var(--ainna-space-3, 12px);
  }
}

/* Responsive: filter row */
@media (max-width: 768px) {
  .th-filter-row {
    flex-direction: column;
    align-items: stretch;
  }

  .th-sort-wrapper {
    margin-left: 0;
  }
}

/* Responsive: grids */
@media (max-width: 768px) {
  .th-grid,
  .th-grid--featured,
  .th-grid--recent,
  .th-grid--all {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1024px) {
  .th-grid,
  .th-grid--featured,
  .th-grid--recent,
  .th-grid--all {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }
}

/* Responsive: enterprise */
@media (max-width: 768px) {
  .th-enterprise-card {
    padding: var(--ainna-space-12, 48px) var(--ainna-space-6, 24px);
  }

  .th-enterprise-title {
    font-size: var(--ainna-text-2xl, 1.75rem);
  }

  .th-enterprise-desc {
    font-size: var(--ainna-text-base, 0.9375rem);
  }
}

/* Responsive: modal */
@media (max-width: 768px) {
  .th-modal-container {
    max-width: 100%;
    max-height: 90vh;
    margin: var(--ainna-space-4, 16px);
    padding: var(--ainna-space-6, 24px);
    border-radius: var(--ainna-radius-lg, 12px);
  }

  .th-modal-io {
    grid-template-columns: 1fr;
  }
}

/* Responsive: search hint */
@media (max-width: 768px) {
  .th-search-hint {
    display: none;
  }
}

/* ==========================================================================
   End of AINNA Tools Hub CSS
   ========================================================================== */