@import url('fonts/sutonnymj.css');

/* ============================================================
   SutonnyMJ WebFont for Bijoy ANSI Bengali Font Rendering
   ============================================================ */
@font-face {
  font-family: 'SutonnyMJ';
  src: url('fonts/SutonnyMJ.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
  font-display: block;
}

.conv-bijoy-font,
.pane-bijoy textarea,
[data-converter="unicode-to-bijoy"] .converter-pane-right textarea,
[data-converter="bijoy-to-unicode"] .converter-pane-left textarea,
[data-converter="avro-to-bijoy"] .converter-pane-right textarea,
[data-converter="bijoy-to-avro"] .converter-pane-left textarea {
  font-family: 'SutonnyMJ', SutonnyMJ, 'SutonnyMJ-Regular', sans-serif !important;
  font-size: 22px !important;
  line-height: 1.8 !important;
  letter-spacing: 0 !important;
}

.conv-bijoy-font::placeholder,
.pane-bijoy textarea::placeholder {
  font-family: 'Noto Sans Bengali', system-ui, -apple-system, sans-serif !important;
  font-size: 15px !important;
  opacity: 0.65;
}

/* ============================================================
   TulBD Design System v65 — Professional & High Performance
   Mobile, Tablet, Laptop, and Desktop Ultra-Responsive
   ============================================================ */

/* --- Design Tokens --- */
:root {
  --tb-primary: #1769e0;
  --tb-primary-hover: #1256bd;
  --tb-primary-light: #eef5ff;
  --tb-primary-gradient: linear-gradient(135deg, #1d4ed8 0%, #2563eb 50%, #3b82f6 100%);
  --tb-primary-glow: rgba(23, 105, 224, .18);
  --tb-accent: #0ea5e9;
  --tb-accent-light: #f0f9ff;
  --tb-success: #16a34a;
  --tb-success-bg: #ecfdf5;
  --tb-warning: #d97706;
  --tb-warning-bg: #fffbeb;
  --tb-danger: #dc2626;
  --tb-danger-bg: #fef2f2;
  --tb-text: #0f172a;
  --tb-text-secondary: #334155;
  --tb-muted: #64748b;
  --tb-border: #e2e8f0;
  --tb-border-hover: #cbd5e1;
  --tb-surface: #f8fafc;
  --tb-card: #ffffff;
  --tb-radius-sm: 8px;
  --tb-radius: 14px;
  --tb-radius-lg: 22px;
  --tb-radius-pill: 999px;
  --tb-shadow-sm: 0 1px 3px rgba(15, 23, 42, .06), 0 1px 2px rgba(15, 23, 42, .04);
  --tb-shadow: 0 4px 20px -2px rgba(15, 23, 42, .08);
  --tb-shadow-lg: 0 16px 40px -4px rgba(15, 23, 42, .12);
  --tb-shadow-hover: 0 10px 30px -3px rgba(23, 105, 224, .16);
  --tb-header-bg: rgba(255, 255, 255, .95);
  --tb-font: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --tb-font-bn: 'Noto Sans Bengali', 'Inter', system-ui, -apple-system, sans-serif;
  --tb-transition: .18s cubic-bezier(0.16, 1, 0.3, 1);
  --tb-max-width: 1200px;
  --tb-content-width: 100%;
}

/* --- Dark Mode Theme Overrides --- */
:root[data-theme="dark"],
html[data-theme="dark"],
body.dark-theme {
  --tb-primary: #38bdf8;
  --tb-primary-hover: #0ea5e9;
  --tb-primary-light: rgba(56, 189, 248, 0.12);
  --tb-primary-gradient: linear-gradient(135deg, #0284c7 0%, #2563eb 50%, #38bdf8 100%);
  --tb-primary-glow: rgba(56, 189, 248, 0.22);
  --tb-accent: #38bdf8;
  --tb-accent-light: rgba(56, 189, 248, 0.1);
  --tb-success: #34d399;
  --tb-success-bg: rgba(16, 185, 129, 0.14);
  --tb-warning: #fbbf24;
  --tb-warning-bg: rgba(245, 158, 11, 0.14);
  --tb-danger: #f87171;
  --tb-danger-bg: rgba(239, 68, 68, 0.14);
  --tb-text: #f1f5f9;
  --tb-text-secondary: #cbd5e1;
  --tb-muted: #94a3b8;
  --tb-border: #273549;
  --tb-border-hover: #3e506d;
  --tb-surface: #0b1120;
  --tb-card: #151f32;
  --tb-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3);
  --tb-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.5);
  --tb-shadow-lg: 0 16px 40px -4px rgba(0, 0, 0, 0.6);
  --tb-shadow-hover: 0 10px 30px -3px rgba(56, 189, 248, 0.22);
  --tb-header-bg: rgba(11, 17, 32, 0.92);
}

/* --- Reset & Global Base --- */
*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
  max-width: 100%;
}
body {
  margin: 0;
  font-family: var(--tb-font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--tb-text);
  background: var(--tb-surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  max-width: 100%;
  width: 100%;
}
img, svg, video, canvas, audio, iframe, embed, object {
  max-width: 100%;
  height: auto;
}
img { display: block; }
pre, code {
  max-width: 100%;
  overflow-x: auto;
  word-break: break-word;
}
a { color: var(--tb-primary); text-decoration: none; transition: color var(--tb-transition); }
a:hover { color: var(--tb-primary-hover); }
button { font-family: inherit; cursor: pointer; -webkit-tap-highlight-color: transparent; }
textarea, input { font-family: inherit; }

/* Focus ring for accessibility */
button:focus-visible,
a:focus-visible,
textarea:focus-visible,
input:focus-visible {
  outline: 3px solid var(--tb-primary-glow);
  outline-offset: 2px;
}

/* --- Strict Unified 1200px Layout Alignment Architecture --- */
.wrap,
.site-header .nav.wrap,
.wrap.footer-grid,
.footer-bottom.wrap {
  max-width: 1200px !important;
  width: 100% !important;
  margin-left: auto !important;
  margin-right: auto !important;
  padding-left: 24px !important;
  padding-right: 24px !important;
  box-sizing: border-box !important;
}

/* Ensure ALL tool cards, articles, search & inner modules fit 100% of the content container */
.home-typing-model,
.converter-tool,
.adv-conv-card,
.word-counter-tool,
.tb-typing-module,
.tb-practice-help,
.english-typing-speed-module,
.category-tool-grid,
.simgrid,
.tool-area,
.tool-module,
.sgc,
.hg-c,
.hg,
.jac-container,
.bmic-container,
.cgpac-container,
.gpfc-container,
.itc-container,
.lmc-container,
.lmpc-container,
.lmpedd-container,
.prgc-container,
.tdr-container,
.ts-container,
.far-container,
.pdf-conv-card,
.topdf-conv-card,
.img-conv-card,
.tool-article-content,
.search-result-grid,
.search-empty,
.page-rich-card,
.faq details {
  width: 100% !important;
  max-width: 100% !important;
  margin-left: 0 !important;
  margin-right: 0 !important;
  box-sizing: border-box !important;
}

/* --- Text & Hero Alignment Utilities --- */
.text-center {
  text-align: center !important;
}
.tool-hero-header {
  text-align: center;
  margin-bottom: 24px;
}
.tool-hero-header h1 {
  text-align: center;
  margin: 0 auto 8px auto;
}
.tool-hero-header p.lead {
  text-align: center;
  margin: 0 auto;
  max-width: 820px;
}
.category-header {
  text-align: center;
  margin-bottom: 24px;
}
.category-header h1 {
  text-align: center;
  margin: 0 auto 8px auto;
}
.category-header p.lead {
  text-align: center;
  margin: 0 auto;
  max-width: 820px;
}

main { min-height: 65vh; }

/* --- Top Sticky Header (Glassmorphic) --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--tb-header-bg, rgba(255, 255, 255, .95));
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--tb-border);
  box-shadow: 0 1px 4px rgba(15, 23, 42, .04);
  transition: background-color var(--tb-transition), border-color var(--tb-transition);
}
.nav {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.logo {
  display: inline-flex;
  align-items: center;
  font-size: 22px;
  font-weight: 900;
  color: var(--tb-text);
  text-decoration: none;
  white-space: nowrap;
  gap: 8px;
  letter-spacing: -.02em;
}
.logo:hover {
  color: var(--tb-primary);
}
.logo-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--tb-primary-light);
  border-radius: 10px;
  font-size: 18px;
  border: 1px solid rgba(23, 105, 224, .15);
}
.logo-text {
  font-weight: 800;
}
.site-logo-img {
  max-height: 28px;
  height: 26px;
  width: auto;
  object-fit: contain;
  display: block;
  transition: opacity 0.2s ease;
}
.site-logo-light {
  display: block !important;
}
.site-logo-dark {
  display: none !important;
}

:root[data-theme="dark"] .site-logo-light,
html[data-theme="dark"] .site-logo-light,
html.dark-theme .site-logo-light,
body.dark-theme .site-logo-light {
  display: none !important;
}
:root[data-theme="dark"] .site-logo-dark,
html[data-theme="dark"] .site-logo-dark,
html.dark-theme .site-logo-dark,
body.dark-theme .site-logo-dark {
  display: block !important;
}

@media (max-width: 640px) {
  .site-logo-img {
    max-height: 24px;
    height: 22px;
  }
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.nav-item {
  color: var(--tb-text-secondary);
  font-size: 14px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--tb-radius-sm);
  transition: all var(--tb-transition);
}
.nav-item:hover {
  color: var(--tb-primary);
  background: var(--tb-primary-light);
}
.nav-item-highlight {
  color: var(--tb-primary);
  background: var(--tb-primary-light);
  font-weight: 700;
}
.nav-item-highlight:hover {
  background: #dbeafe;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.search-trigger-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 1px solid var(--tb-border);
  background: var(--tb-card);
  border-radius: var(--tb-radius-pill);
  color: var(--tb-text-secondary);
  cursor: pointer;
  transition: all var(--tb-transition);
  box-shadow: var(--tb-shadow-sm);
  flex-shrink: 0;
}
.search-trigger-btn:hover {
  border-color: var(--tb-primary);
  background: var(--tb-primary-light);
  color: var(--tb-primary);
  transform: translateY(-1px) scale(1.05);
}
.search-trigger-btn:active {
  transform: translateY(0) scale(0.96);
}
.nav-svg-icon {
  width: 18px;
  height: 18px;
}

/* Theme Toggle Button (Light/Dark Mode) */
.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  padding: 0;
  border-radius: var(--tb-radius-pill);
  border: 1px solid var(--tb-border);
  background: var(--tb-card);
  color: var(--tb-text-secondary);
  cursor: pointer;
  transition: all var(--tb-transition);
  position: relative;
  box-shadow: var(--tb-shadow-sm);
  flex-shrink: 0;
}
.theme-toggle-btn:hover {
  border-color: var(--tb-primary);
  color: var(--tb-primary);
  background: var(--tb-primary-light);
  transform: translateY(-1px) scale(1.05);
}
.theme-toggle-btn:active {
  transform: translateY(0) scale(0.96);
}
.theme-toggle-btn svg {
  display: block;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.25s ease;
}
.theme-icon-sun {
  display: none !important;
  opacity: 0;
  transform: rotate(-90deg) scale(0.6);
  color: #f59e0b;
}
.theme-icon-moon {
  display: block !important;
  opacity: 1;
  transform: rotate(0deg) scale(1);
  color: var(--tb-text-secondary);
}

[data-theme="dark"] .theme-icon-sun,
.dark-theme .theme-icon-sun {
  display: block !important;
  opacity: 1;
  transform: rotate(0deg) scale(1);
  color: #fbbf24;
}
[data-theme="dark"] .theme-icon-moon,
.dark-theme .theme-icon-moon {
  display: none !important;
  opacity: 0;
  transform: rotate(90deg) scale(0.6);
}

.lang-switch-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 13px;
  color: var(--tb-primary);
  padding: 8px 14px;
  border: 1px solid var(--tb-border);
  border-radius: var(--tb-radius-pill);
  background: var(--tb-card);
  box-shadow: var(--tb-shadow-sm);
  transition: all var(--tb-transition);
}
.lang-switch-pill:hover {
  background: var(--tb-primary-light);
  border-color: var(--tb-primary);
  transform: translateY(-1px);
}
.lang-pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10b981;
}

/* Mobile Hamburger Menu */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 38px;
  height: 38px;
  padding: 8px;
  border: 1px solid var(--tb-border);
  background: var(--tb-card);
  border-radius: var(--tb-radius-sm);
  cursor: pointer;
}
.menu-toggle .bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--tb-text);
  border-radius: 2px;
  transition: all .2s ease;
}
.menu-toggle.active .bar1 {
  transform: translateY(6px) rotate(45deg);
}
.menu-toggle.active .bar2 {
  opacity: 0;
}
.menu-toggle.active .bar3 {
  transform: translateY(-6px) rotate(-45deg);
}



/* --- Search Panel Dropdown --- */
.search-panel {
  display: none;
  border-top: 1px solid var(--tb-border);
  background: var(--tb-card);
  padding: 16px 0;
  box-shadow: var(--tb-shadow-lg);
  animation: tbSlideDown .2s ease;
  overflow: hidden;
}
.search-panel.open { display: block; }
@keyframes tbSlideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}
.search-form {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: var(--tb-max-width);
  width: 100%;
  margin: 0 auto;
  position: relative;
  box-sizing: border-box;
}
.search-input-icon {
  position: absolute;
  left: 16px;
  width: 20px;
  height: 20px;
  color: var(--tb-muted);
  pointer-events: none;
  z-index: 2;
}
.search-form input {
  flex: 1 1 0%;
  min-width: 0;
  width: 100%;
  box-sizing: border-box;
  padding: 13px 16px 13px 46px;
  border: 1.5px solid var(--tb-border);
  border-radius: var(--tb-radius-pill);
  font-size: 15px;
  outline: none;
  background: var(--tb-surface);
  color: var(--tb-text);
  transition: border-color var(--tb-transition), box-shadow var(--tb-transition), background var(--tb-transition);
}
.search-form input:focus {
  border-color: var(--tb-primary);
  background: var(--tb-card);
  box-shadow: 0 0 0 3.5px var(--tb-primary-glow);
}
.search-submit-btn {
  flex-shrink: 0;
  white-space: nowrap;
  padding: 12px 24px;
  border: 0;
  border-radius: var(--tb-radius-pill);
  background: var(--tb-primary-gradient);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(23, 105, 224, .25);
  transition: all var(--tb-transition);
}
.search-submit-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(23, 105, 224, .32);
}
.search-close-btn {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  min-width: 40px;
  border: 1px solid var(--tb-border);
  background: var(--tb-surface);
  border-radius: 50%;
  font-size: 16px;
  color: var(--tb-muted);
  cursor: pointer;
  transition: all var(--tb-transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.search-close-btn:hover {
  color: var(--tb-danger);
  border-color: var(--tb-danger);
  background: var(--tb-danger-bg);
}

/* --- Hero Section --- */
.hero {
  padding-top: 16px;
  padding-bottom: 12px;
}
.hero-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--tb-radius-pill);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .01em;
}
.badge-rank {
  background: linear-gradient(135deg, #eef5ff 0%, #dbeafe 100%);
  color: var(--tb-primary);
  border: 1px solid rgba(23, 105, 224, .2);
}
.badge-free {
  background: var(--tb-success-bg);
  color: var(--tb-success);
  border: 1px solid rgba(22, 163, 74, .2);
}
.badge-safe {
  background: var(--tb-accent-light);
  color: var(--tb-accent);
  border: 1px solid rgba(14, 165, 233, .2);
}

.hero h1 {
  text-align: center;
  font-size: clamp(26px, 4.2vw, 40px);
  line-height: 1.2;
  margin: 2px 0 6px;
  color: var(--tb-text);
  letter-spacing: -.02em;
  font-weight: 900;
}
.hero-subtitle,
.hero > p {
  text-align: center;
  color: var(--tb-text-secondary);
  font-size: 16px;
  max-width: 720px;
  margin: 0 auto 14px;
  line-height: 1.6;
}

/* --- Homepage Typing Model Container --- */
.home-typing-model {
  background: var(--tb-card);
  border: 1px solid var(--tb-border);
  border-radius: var(--tb-radius-lg);
  padding: 24px 28px;
  box-shadow: var(--tb-shadow);
  margin-bottom: 12px;
}
.tool-area {
  margin-bottom: 12px;
}

/* Top Toolbar (Best Score & Sound) */
.home-toolbar-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--tb-border);
}
.home-best-score {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: #b45309;
  background: #fef3c7;
  padding: 5px 14px;
  border-radius: var(--tb-radius-pill);
  border: 1px solid #fde68a;
}
.home-best-score b {
  color: #92400e;
  font-size: 14px;
}
.tb-sound-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 700;
  color: var(--tb-text-secondary);
  background: var(--tb-surface);
  border: 1px solid var(--tb-border);
  border-radius: var(--tb-radius-pill);
  cursor: pointer;
  transition: all var(--tb-transition);
}
.tb-sound-btn:hover {
  background: var(--tb-primary-light);
  color: var(--tb-primary);
  border-color: var(--tb-primary);
}
.tb-sound-btn.sound-muted {
  color: var(--tb-muted);
  opacity: .75;
}

/* Controls */
.home-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 22px;
  text-align: center;
}
.home-control-group {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}
.control-label {
  font-size: 13px;
  font-weight: 800;
  color: var(--tb-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
  min-width: 90px;
}
.choice {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}
.choice button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 18px;
  min-height: 40px;
  min-width: max-content;
  white-space: nowrap;
  border: 1px solid var(--tb-border);
  background: var(--tb-surface);
  border-radius: var(--tb-radius-pill);
  font-weight: 700;
  font-size: 13.5px;
  color: var(--tb-text-secondary);
  flex: 0 0 auto;
  box-sizing: border-box;
  transition: all var(--tb-transition);
}
.choice button:hover {
  border-color: var(--tb-primary);
  color: var(--tb-primary);
  background: var(--tb-primary-light);
  transform: translateY(-1px);
}
.choice button.active {
  background: var(--tb-primary-gradient);
  color: #fff;
  border-color: var(--tb-primary);
  box-shadow: 0 4px 14px var(--tb-primary-glow);
}

/* Action & Stats Bar */
.home-timer-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  background: var(--tb-surface);
  border: 1px solid var(--tb-border);
  border-radius: var(--tb-radius);
  padding: 16px 20px;
  margin-bottom: 20px;
}
.home-actions {
  display: flex;
  gap: 10px;
}
.start, .stop {
  min-height: 46px;
  min-width: 140px;
  padding: 10px 22px;
  border: 0;
  border-radius: var(--tb-radius-pill);
  font-weight: 800;
  font-size: 14px;
  cursor: pointer;
  transition: all var(--tb-transition);
}
.start {
  background: var(--tb-primary-gradient);
  color: #fff;
  box-shadow: 0 4px 16px rgba(23, 105, 224, .3);
}
.start:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(23, 105, 224, .4);
}
.stop {
  background: #ffffff;
  color: var(--tb-danger);
  border: 1px solid #fecaca;
}
.stop:hover:not(:disabled) {
  background: var(--tb-danger-bg);
  transform: translateY(-1px);
}
.start:disabled, .stop:disabled {
  opacity: .45;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.home-stats {
  display: flex;
  gap: 12px;
  align-items: center;
}
.home-stats > div {
  background: #ffffff;
  border: 1px solid var(--tb-border);
  border-radius: 12px;
  padding: 10px 16px;
  text-align: center;
  min-width: 82px;
  box-shadow: var(--tb-shadow-sm);
}
.home-stats small {
  display: block;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--tb-muted);
  letter-spacing: .04em;
}
.home-stats b {
  display: block;
  font-size: 24px;
  font-weight: 900;
  color: var(--tb-text);
  margin-top: 2px;
  font-variant-numeric: tabular-nums;
}
.stat-highlight {
  color: var(--tb-primary) !important;
}
.stat-mistakes {
  color: var(--tb-danger) !important;
}

/* Passage Display */
.home-typing-passage-wrap {
  margin-bottom: 18px;
}
.passage, .home-typing-passage {
  border: 1.5px solid var(--tb-border);
  border-radius: var(--tb-radius);
  padding: 20px 24px;
  font-family: var(--tb-font-bn);
  font-size: clamp(20px, 3.8vw, 24px);
  line-height: 1.95;
  min-height: 140px;
  max-height: 7.2em;
  overflow-y: auto;
  overflow-x: hidden;
  white-space: pre-wrap;
  word-break: break-word;
  background: #fcfdfe;
  box-shadow: inset 0 1px 3px rgba(15, 23, 42, .03);
  scrollbar-width: thin;
}
.passage:focus, .home-typing-passage:focus {
  outline: none;
  border-color: var(--tb-primary);
  box-shadow: 0 0 0 3px var(--tb-primary-glow);
}
.home-passage-char {
  transition: color .08s ease, background-color .08s ease;
}
.home-passage-char.home-correct, .passage span.correct {
  color: var(--tb-success);
  font-weight: 600;
}
.home-passage-char.home-wrong, .passage span.wrong {
  color: var(--tb-danger);
  background: var(--tb-danger-bg);
  border-radius: 3px;
  text-decoration: underline;
  font-weight: 600;
}
.home-passage-char.home-current, .passage span.current {
  background: #dbeafe;
  color: var(--tb-primary);
  border-radius: 4px;
  font-weight: 700;
  box-shadow: 0 0 0 2px var(--tb-primary-glow);
}
.home-passage-char.is-space.home-current {
  display: inline-block;
  min-width: 0.5em;
}

/* Typing Input (Mirror Overlay) */
.home-input-wrap, .typing-input-wrap {
  position: relative;
  width: 100%;
  min-height: 180px;
  margin-bottom: 18px;
}
.home-input-wrap textarea, .typing-input-wrap textarea {
  position: relative;
  z-index: 2;
  display: block;
  width: 100%;
  min-height: 180px;
  padding: 20px 24px;
  border: 1.5px solid var(--tb-border);
  border-radius: var(--tb-radius);
  background: transparent;
  color: transparent;
  -webkit-text-fill-color: transparent;
  caret-color: transparent !important;
  font-family: var(--tb-font-bn);
  font-size: clamp(20px, 3.8vw, 24px);
  line-height: 1.95;
  resize: vertical;
  box-sizing: border-box;
}
.home-input-wrap textarea::placeholder, .typing-input-wrap textarea::placeholder {
  color: transparent;
  -webkit-text-fill-color: transparent;
}
.home-input-wrap textarea:focus, .typing-input-wrap textarea:focus {
  outline: none;
  border-color: var(--tb-primary);
  box-shadow: 0 0 0 3px var(--tb-primary-glow);
  caret-color: transparent !important;
}
.home-input-wrap textarea.tb-hide-caret,
.typing-input-wrap textarea.tb-hide-caret,
#typing-input.tb-hide-caret {
  caret-color: transparent !important;
}
.home-typing-mirror, .typing-mirror {
  position: absolute;
  z-index: 1;
  inset: 0;
  padding: 20px 24px;
  box-sizing: border-box;
  font-family: var(--tb-font-bn);
  font-size: clamp(20px, 3.8vw, 24px);
  line-height: 1.95;
  white-space: pre-wrap;
  word-break: break-word;
  overflow: auto;
  pointer-events: none;
  background: #ffffff;
  border-radius: var(--tb-radius);
  color: var(--tb-text);
}
.home-typing-mirror .correct, .typing-mirror .correct { color: var(--tb-success); font-weight: 600; }
.home-typing-mirror .wrong, .typing-mirror .wrong { color: var(--tb-danger); background: var(--tb-danger-bg); border-radius: 2px; }
.home-typing-mirror .typing-hint, .typing-mirror .typing-hint { color: var(--tb-muted); font-style: italic; font-size: 18px; }

.tb-fake-cursor {
  display: inline-block;
  width: 2px;
  height: 1.1em;
  margin-bottom: -0.15em;
  background: var(--tb-primary);
  animation: tbBlink 1s step-end infinite;
  vertical-align: baseline;
}
@keyframes tbBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* Result Celebration Card */
.result { margin-top: 20px; }
.tb-result-card-wrap {
  background: #ffffff;
  border: 1.5px solid #bfdbfe;
  border-radius: var(--tb-radius-lg);
  padding: 24px;
  box-shadow: 0 8px 30px rgba(23, 105, 224, .12);
  animation: tbResultPop .3s ease;
}
@keyframes tbResultPop {
  from { opacity: 0; transform: scale(.97); }
  to { opacity: 1; transform: scale(1); }
}
.tb-new-record-banner {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  color: #92400e;
  font-weight: 800;
  font-size: 14px;
  padding: 10px 16px;
  border-radius: 12px;
  margin-bottom: 16px;
  text-align: center;
  border: 1px solid #fcd34d;
}
.tb-result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}
.tb-result-title h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 900;
  color: var(--tb-text);
}
.tb-speed-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--tb-radius-pill);
  font-size: 13px;
  font-weight: 800;
}
.badge-pro { background: #dcfce7; color: #15803d; border: 1px solid #86efac; }
.badge-fast { background: #dbeafe; color: #1d4ed8; border: 1px solid #93c5fd; }
.badge-good { background: #fef9c3; color: #a16207; border: 1px solid #fde047; }
.badge-practice { background: #f1f5f9; color: #475569; border: 1px solid #cbd5e1; }

.tb-result-card {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}
.stat-box {
  background: var(--tb-surface);
  border: 1px solid var(--tb-border);
  border-radius: 14px;
  padding: 14px 10px;
  text-align: center;
  transition: transform var(--tb-transition);
}
.stat-box:hover {
  transform: translateY(-2px);
  border-color: var(--tb-border-hover);
}
.stat-box.stat-primary {
  background: #eff6ff;
  border-color: #bfdbfe;
}
.stat-box small {
  display: block;
  font-size: 11px;
  font-weight: 800;
  color: var(--tb-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.stat-box b {
  display: block;
  font-size: 26px;
  font-weight: 900;
  color: var(--tb-text);
  margin-top: 4px;
}
.stat-box b .unit {
  font-size: 14px;
  color: var(--tb-muted);
}
.stat-box .stat-acc { color: var(--tb-primary); }
.stat-box .stat-correct { color: var(--tb-success); }
.stat-box .stat-errors { color: var(--tb-danger); }

.tb-result-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.tb-btn-copy-result,
.tb-btn-restart-result {
  min-height: 44px;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 800;
  border-radius: var(--tb-radius-pill);
  cursor: pointer;
  transition: all var(--tb-transition);
}
.tb-btn-copy-result {
  background: #ffffff;
  color: var(--tb-primary);
  border: 1.5px solid var(--tb-primary);
}
.tb-btn-copy-result:hover {
  background: var(--tb-primary-light);
  transform: translateY(-1px);
}
.tb-btn-restart-result {
  background: var(--tb-primary-gradient);
  color: #fff;
  border: none;
  box-shadow: 0 4px 14px var(--tb-primary-glow);
}
.tb-btn-restart-result:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(23, 105, 224, .35);
}

/* Similar Tools */
.similar {
  padding-top: 14px;
  padding-bottom: 10px;
}
.similar h2 {
  font-size: 22px;
  font-weight: 800;
  margin: 0 0 12px;
  color: var(--tb-text);
}
.home-similar {
  padding-top: 10px;
  padding-bottom: 10px;
}
.home-similar .section-head {
  display: none !important;
}
.simgrid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.simgrid a {
  display: flex;
  align-items: center;
  padding: 14px 18px;
  background: #ffffff;
  border: 1px solid var(--tb-border);
  border-radius: var(--tb-radius);
  color: var(--tb-text);
  font-weight: 700;
  font-size: 15px;
  box-shadow: var(--tb-shadow-sm);
  transition: all var(--tb-transition);
}
.simgrid a:hover {
  color: var(--tb-primary);
  border-color: var(--tb-primary);
  background: var(--tb-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--tb-shadow);
}

/* Homepage & Subpage Article, Section Head & Rich Cards */
.section-head {
  margin-bottom: 14px;
}
.section-head h2,
.home-article h2,
.similar h2,
.faq h2 {
  font-size: 26px;
  font-weight: 800;
  margin-top: 0;
  margin-bottom: 12px;
  color: var(--tb-text);
  letter-spacing: -.02em;
}
.section-head .lead,
.home-article .lead {
  font-size: 16px;
  color: var(--tb-text-secondary);
  line-height: 1.7;
  margin: 0 0 12px;
}

.page-rich-card,
.tool-article-content .rich,
.home-article .rich {
  background: #ffffff;
  border: 1px solid var(--tb-border);
  border-radius: var(--tb-radius-lg);
  padding: 28px 28px;
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
  margin: 2px 0 14px;
}
.rich {
  line-height: 1.85;
  color: var(--tb-text-secondary);
  font-size: 16px;
}
.rich p { margin-bottom: 16px; }
.rich p:last-child { margin-bottom: 0; }
.rich h2, .rich h3 { color: var(--tb-text); margin: 28px 0 12px; }
.rich h2:first-child, .rich h3:first-child { margin-top: 0; }
.rich ul, .rich ol { padding-left: 24px; margin-bottom: 16px; }
.rich li { margin-bottom: 8px; }
.rich table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 15px;
  border-radius: var(--tb-radius, 8px);
  overflow: hidden;
}
.rich th, .rich td {
  padding: 10px 14px;
  border: 1px solid var(--tb-border, #e2e8f0);
  text-align: left;
}
.rich th {
  background: var(--tb-surface, #f8fafc);
  font-weight: 600;
  color: var(--tb-text, #0f172a);
}
@media (max-width: 640px) {
  .rich table {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* FAQ Accordion */
.faq {
  padding-top: 10px;
  padding-bottom: 12px;
  width: 100%;
  box-sizing: border-box;
}

/* Guard against nested wrap or inside article */
.article .faq.wrap,
.tool-article .faq.wrap {
  padding-left: 0 !important;
  padding-right: 0 !important;
  max-width: 100% !important;
  width: 100% !important;
}

.faq .section-head {
  margin-bottom: 12px;
}

.faq h2 {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 12px;
}
.faq details {
  background: #ffffff;
  border: 1px solid var(--tb-border);
  border-radius: var(--tb-radius);
  margin-bottom: 8px;
  overflow: hidden;
  box-shadow: var(--tb-shadow-sm);
  transition: border-color var(--tb-transition);
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
}
.faq details:hover {
  border-color: var(--tb-border-hover);
}
.faq details[open] {
  border-color: rgba(23, 105, 224, .3);
  box-shadow: 0 4px 16px rgba(23, 105, 224, .06);
}
.faq summary {
  padding: 18px 22px;
  font-weight: 700;
  font-size: 16px;
  color: var(--tb-text);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-size: 20px;
  font-weight: 400;
  color: var(--tb-muted);
  transition: transform .2s ease;
}
.faq details[open] summary::after {
  content: "−";
  color: var(--tb-primary);
}
.faq details p {
  padding: 0 22px 20px;
  margin: 0;
  color: var(--tb-text-secondary);
  line-height: 1.75;
}

/* Tool / Article / Category Headings Centering */
.tool-hero-header,
.tool-article > h1,
.tool-article > .lead,
.article > h1,
.article > .lead,
.category-page h1,
.category-page p,
.category-page .lead,
.category-header,
.category-header h1,
.category-header p,
.page-header h1,
.page-header p {
  text-align: center !important;
}

.tool-hero-header h1,
.tool-article > h1,
.article > h1,
.category-page h1,
.category-header h1 {
  text-align: center !important;
  margin-left: auto !important;
  margin-right: auto !important;
  max-width: 860px;
  font-size: clamp(26px, 3.8vw, 40px);
  font-weight: 900;
  line-height: 1.25;
  color: var(--tb-text);
  margin-top: 4px;
  margin-bottom: 6px;
}

.tool-hero-header .lead,
.tool-article > .lead,
.article > .lead,
.category-page p,
.category-page .lead,
.category-header p {
  text-align: center !important;
  margin-left: auto !important;
  margin-right: auto !important;
  max-width: 740px;
  font-size: 16px;
  line-height: 1.65;
  color: var(--tb-text-secondary);
  margin-bottom: 14px;
}

/* Category Page Grid & Modern Tool Cards (4-Column Layout & Screenshots 1-3 Aesthetic) */
.category-page {
  padding-top: 36px;
}

/* Tools Interactive Toolbar (Search & Filter Pills - Screenshot 3) */
.tb-tools-toolbar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin: 28px auto 24px;
  max-width: 900px;
  width: 100%;
}
.tb-tools-search-box {
  position: relative;
  max-width: 480px;
  width: 100%;
}
.tb-tools-search-input {
  width: 100%;
  padding: 12px 18px 12px 44px;
  font-size: 14.5px;
  border-radius: 9999px;
  border: 1.5px solid var(--tb-border);
  background: var(--tb-card);
  color: var(--tb-text);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
  box-sizing: border-box;
  font-family: inherit;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.03);
}
.tb-tools-search-input:focus {
  border-color: #4f46e5;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}
.tb-tools-search-icon {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: #94a3b8;
  pointer-events: none;
}
.tb-tools-search-clear {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: #94a3b8;
  cursor: pointer;
  font-size: 14px;
  display: none;
  padding: 4px 6px;
  border-radius: 50%;
  line-height: 1;
}
.tb-tools-search-clear:hover {
  color: #475569;
}

/* Filter Pills Bar (Screenshot 3) */
.tb-filter-pills {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}
.tb-filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 9999px;
  font-size: 14px;
  font-weight: 600;
  border: 1.5px solid var(--tb-border);
  background: var(--tb-card);
  color: #475569;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
  outline: none;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.03);
}
.tb-filter-pill:hover {
  border-color: #cbd5e1;
  background: #f8fafc;
  color: #0f172a;
  transform: translateY(-1px);
}
.tb-filter-pill.active {
  border-color: #6366f1;
  background: #f5f3ff;
  color: #4f46e5;
  box-shadow: 0 2px 10px rgba(79, 70, 229, 0.12);
}
.tb-filter-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 20px;
  padding: 0 7px;
  border-radius: 9999px;
  font-size: 11.5px;
  font-weight: 700;
  background: #f1f5f9;
  color: #64748b;
  transition: all 0.2s ease;
  line-height: 1;
}
.tb-filter-pill.active .tb-filter-count {
  background: #4f46e5;
  color: #ffffff;
}

/* 4-Column Responsive Grid (Screenshot 1 & 3) */
.category-tool-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 24px;
}
@media (max-width: 1100px) {
  .category-tool-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }
}
@media (max-width: 820px) {
  .category-tool-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}
@media (max-width: 520px) {
  .category-tool-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

/* Tool Card (Screenshot 1 & 3) */
.category-tool-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 26px 18px 22px;
  background: var(--tb-card);
  border: 1.5px solid var(--tb-border);
  border-radius: 18px;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.03);
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
}
.category-tool-card:hover {
  border-color: #6366f1;
  background: var(--tb-card);
  transform: translateY(-4px);
  box-shadow: 0 14px 28px -4px rgba(79, 70, 229, 0.12), 0 3px 8px rgba(0, 0, 0, 0.04);
}
.category-tool-card.tb-card-hidden {
  display: none !important;
}

/* Custom Tool Logo & Badges (Screenshot 1 & 3) */
.category-tool-icon {
  width: 62px;
  height: 62px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.category-tool-icon img.tool-custom-img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}
.tb-custom-logo-svg {
  width: 60px;
  height: 60px;
  display: block;
  flex-shrink: 0;
  transition: transform 0.22s ease;
  filter: drop-shadow(0 2px 4px rgba(15, 23, 42, 0.04));
}
.category-tool-card:hover .tb-custom-logo-svg {
  transform: scale(1.08);
}
.tb-svg-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.22s ease;
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.04);
}
.category-tool-card:hover .tb-svg-icon {
  transform: scale(1.08);
}
.tb-svg-icon svg {
  width: 30px;
  height: 30px;
}
.tb-svg-icon.icon-typing {
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  color: #2563eb;
  border: 1px solid rgba(37, 99, 235, 0.2);
}
.tb-svg-icon.icon-converter {
  background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
  color: #059669;
  border: 1px solid rgba(5, 150, 105, 0.2);
}
.tb-svg-icon.icon-counter {
  background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
  color: #d97706;
  border: 1px solid rgba(217, 119, 6, 0.2);
}
.tb-svg-icon.icon-calculator {
  background: linear-gradient(135deg, #f5f3ff 0%, #ede9fe 100%);
  color: #7c3aed;
  border: 1px solid rgba(124, 58, 237, 0.2);
}
.tb-svg-icon.icon-article {
  background: linear-gradient(135deg, #fdf2f8 0%, #fce7f3 100%);
  color: #db2777;
  border: 1px solid rgba(219, 39, 119, 0.2);
}
.tb-svg-icon.icon-default {
  background: linear-gradient(135deg, #f0fdf4 0%, #e0e7ff 100%);
  color: #4f46e5;
  border: 1px solid rgba(79, 70, 229, 0.2);
}

.category-tool-copy {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 100%;
}
.category-tool-copy strong {
  display: block;
  color: var(--tb-text);
  font-size: 16.5px;
  font-weight: 800;
  line-height: 1.35;
  margin: 0 0 8px;
  transition: color var(--tb-transition);
}
.category-tool-card:hover .category-tool-copy strong {
  color: #4f46e5;
}
.category-tool-desc {
  display: block;
  font-size: 13px;
  color: var(--tb-muted);
  line-height: 1.55;
  margin: 0;
  max-width: 96%;
}
.category-tool-arrow,
.category-tool-badge {
  display: none !important;
}

/* Empty Search State */
.tb-tools-empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 20px;
  background: var(--tb-card);
  border: 1.5px dashed var(--tb-border);
  border-radius: 18px;
  margin: 20px 0;
}
.tb-tools-empty-icon {
  font-size: 38px;
  margin-bottom: 12px;
  color: #94a3b8;
}
.tb-tools-empty-state h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--tb-text);
  margin: 0 0 6px;
}
.tb-tools-empty-state p {
  font-size: 14px;
  color: var(--tb-muted);
  margin: 0;
}

/* Capsule Pagination (Screenshot 2) */
.tb-pagination-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 36px auto 20px;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  padding: 0 12px;
  overflow: hidden;
}
.tb-pagination-capsule {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--tb-card);
  border: 1.5px solid var(--tb-border);
  border-radius: 9999px;
  padding: 6px 14px;
  box-shadow: 0 3px 14px rgba(15, 23, 42, 0.04);
  user-select: none;
  max-width: 100%;
  box-sizing: border-box;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.tb-pagination-capsule::-webkit-scrollbar {
  display: none;
}
.tb-page-nav {
  background: transparent;
  border: none;
  font-size: 14px;
  font-weight: 600;
  color: #475569;
  cursor: pointer;
  padding: 6px 14px;
  border-radius: 9999px;
  transition: color 0.18s, background 0.18s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-family: inherit;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}
.tb-page-nav .tb-nav-arrow {
  font-size: 14px;
  line-height: 1;
  flex-shrink: 0;
}
.tb-page-nav .tb-nav-text {
  display: inline;
}
.tb-page-nav:hover:not(:disabled):not(.disabled) {
  color: #0f172a;
  background: #f1f5f9;
}
.tb-page-nav:disabled,
.tb-page-nav.disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}
.tb-page-numbers {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.tb-page-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: #1e293b;
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.18s ease;
  font-family: inherit;
  text-decoration: none;
  flex-shrink: 0;
}
.tb-page-num:hover:not(.active) {
  background: #f1f5f9;
  color: #4f46e5;
}
.tb-page-num.active {
  background: #4f46e5;
  color: #ffffff !important;
  font-weight: 700;
  box-shadow: 0 3px 10px rgba(79, 70, 229, 0.35);
  cursor: default;
}
.tb-page-ellipsis {
  padding: 0 4px;
  color: #94a3b8;
  font-size: 14px;
  font-weight: 600;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 640px) {
  .tb-pagination-wrap {
    margin: 26px auto 16px;
    padding: 0 8px;
  }
  .tb-pagination-capsule {
    padding: 5px 8px;
    gap: 4px;
  }
  .tb-page-nav {
    padding: 5px 10px;
    font-size: 13px;
    gap: 3px;
  }
  .tb-page-num {
    width: 32px;
    height: 32px;
    font-size: 13px;
  }
  .tb-page-ellipsis {
    padding: 0 2px;
    font-size: 13px;
  }
}

@media (max-width: 440px) {
  .tb-pagination-wrap {
    padding: 0 4px;
  }
  .tb-pagination-capsule {
    padding: 4px 6px;
    gap: 2.5px;
  }
  .tb-page-nav {
    padding: 4px 8px;
    font-size: 12px;
    gap: 2px;
  }
  .tb-page-num {
    width: 29px;
    height: 29px;
    font-size: 12px;
  }
  .tb-page-ellipsis {
    padding: 0 1px;
    font-size: 12px;
  }
}

@media (max-width: 370px) {
  .tb-pagination-capsule {
    padding: 3px 5px;
    gap: 2px;
  }
  .tb-page-nav .tb-nav-text {
    display: none;
  }
  .tb-page-nav {
    width: 28px;
    height: 28px;
    padding: 0;
    border-radius: 50%;
  }
  .tb-page-nav .tb-nav-arrow {
    font-size: 15px;
    margin: 0;
  }
  .tb-page-num {
    width: 27px;
    height: 27px;
    font-size: 11.5px;
  }
}

/* Search Results Grid */
.search-page {
  padding-top: 36px;
}
.search-query {
  font-size: 18px;
  color: var(--tb-text-secondary);
}
.search-summary {
  font-size: 13px;
  font-weight: 700;
  color: var(--tb-muted);
  margin-bottom: 24px;
}
.search-result-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.search-result-card {
  display: block;
  padding: 20px;
  background: #ffffff;
  border: 1px solid var(--tb-border);
  border-radius: var(--tb-radius);
  box-shadow: var(--tb-shadow-sm);
  transition: all var(--tb-transition);
  position: relative;
}
.search-result-card:hover {
  border-color: var(--tb-primary);
  transform: translateY(-2px);
  box-shadow: var(--tb-shadow);
}
.search-result-type {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--tb-primary);
  background: var(--tb-primary-light);
  padding: 3px 8px;
  border-radius: 6px;
  margin-bottom: 8px;
}
.search-result-card h2 {
  margin: 0 0 8px;
  font-size: 18px;
  color: var(--tb-text);
}
.search-result-card p {
  margin: 0;
  font-size: 14px;
  color: var(--tb-text-secondary);
  line-height: 1.6;
}
.search-result-arrow {
  position: absolute;
  right: 18px;
  top: 20px;
  font-size: 18px;
  color: var(--tb-muted);
}
.search-empty {
  text-align: center;
  padding: 60px 20px;
  background: #ffffff;
  border: 1px dashed var(--tb-border);
  border-radius: var(--tb-radius-lg);
}
.search-empty-icon {
  font-size: 48px;
  color: var(--tb-muted);
  margin-bottom: 12px;
}

/* Global Toast Notification */
.tb-toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(15, 23, 42, .92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: #ffffff;
  padding: 12px 24px;
  border-radius: var(--tb-radius-pill);
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 10px 30px rgba(15, 23, 42, .3);
  z-index: 99999;
  opacity: 0;
  pointer-events: none;
  transition: all .25s cubic-bezier(0.16, 1, 0.3, 1);
  max-width: calc(100vw - 32px);
  text-align: center;
  box-sizing: border-box;
}
.tb-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Back to Top Floating Button */
.tb-back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--tb-border);
  background: var(--tb-card);
  color: var(--tb-primary);
  font-size: 20px;
  font-weight: 900;
  box-shadow: 0 4px 16px rgba(15, 23, 42, .12);
  cursor: pointer;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: scale(.8);
  transition: all .25s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}
.tb-back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}
.tb-back-to-top:hover {
  background: var(--tb-primary);
  color: #ffffff;
  border-color: var(--tb-primary);
  transform: scale(1.08) translateY(-2px);
}

/* --- Professional Footer --- */
.site-footer {
  background: var(--tb-card);
  border-top: 1px solid var(--tb-border);
  padding: 36px 0 20px;
  margin-top: 20px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 30px;
}
.footer-brand {
  padding-right: 20px;
}
.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 900;
  color: var(--tb-text);
  margin-bottom: 12px;
}
.footer-logo .site-logo-img {
  max-height: 26px;
  height: 24px;
}
.footer-desc {
  font-size: 14px;
  color: var(--tb-muted);
  line-height: 1.7;
  margin: 0 0 16px;
}
.footer-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.footer-badges span {
  font-size: 11px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: var(--tb-radius-pill);
}
.footer-col-title {
  font-size: 14px;
  font-weight: 800;
  color: var(--tb-text);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin: 0 0 16px;
}
.footer-menu {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-menu li {
  margin-bottom: 10px;
}
.footer-menu a {
  font-size: 14px;
  color: var(--tb-text-secondary);
  transition: all var(--tb-transition);
}
.footer-menu a:hover {
  color: var(--tb-primary);
  padding-left: 3px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--tb-border);
  font-size: 13px;
  color: var(--tb-muted);
}
.footer-copy { margin: 0; }
.footer-built { font-weight: 600; }

/* Custom Code & Ads */
.ad-slot { width: 100%; margin: 20px auto; text-align: center; overflow: hidden; }
.site-header-custom:empty, .site-footer-custom:empty { display: none; }

/* ============================================================
   RESPONSIVE DESIGN BREAKPOINTS
   ============================================================ */

/* Tablet (≤ 960px) */
@media (max-width: 960px) {
  .wrap,
  .site-header .nav.wrap,
  .wrap.footer-grid,
  .footer-bottom.wrap {
    padding-left: 18px !important;
    padding-right: 18px !important;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
  .category-tool-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .simgrid {
    grid-template-columns: repeat(2, 1fr);
  }
  .search-result-grid {
    grid-template-columns: 1fr;
  }
  .tb-result-card {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Mobile Nav Drawer (≤ 800px) */
@media (max-width: 800px) {
  .menu-toggle { display: flex; }
  .main-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 14px;
    right: 14px;
    background: var(--tb-card);
    border: 1px solid var(--tb-border);
    border-radius: var(--tb-radius-lg);
    box-shadow: var(--tb-shadow-lg);
    padding: 12px;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    z-index: 9999;
  }
  .main-nav.open {
    display: flex;
    animation: tbSlideDown .2s ease;
  }
  .main-nav .nav-item {
    padding: 12px 16px;
    font-size: 15px;
    border-radius: var(--tb-radius);
  }
}

/* Mobile Devices (≤ 640px) */
@media (max-width: 640px) {
  .wrap,
  .site-header .nav.wrap,
  .wrap.footer-grid,
  .footer-bottom.wrap {
    padding-left: 14px !important;
    padding-right: 14px !important;
  }
  /* Mobile Search Panel (Zero overflow, perfectly padded & responsive) */
  .search-panel {
    padding: 10px 0;
  }
  .search-panel-inner.wrap {
    padding-left: 12px !important;
    padding-right: 12px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .search-form {
    gap: 8px;
    width: 100%;
  }
  .search-input-icon {
    left: 12px;
    width: 17px;
    height: 17px;
  }
  .search-form input {
    flex: 1 1 0%;
    min-width: 0;
    padding: 10px 12px 10px 36px;
    font-size: 13.5px;
    border-radius: var(--tb-radius-pill);
    box-sizing: border-box;
  }
  .search-submit-btn {
    padding: 10px 15px;
    font-size: 13px;
    white-space: nowrap;
    border-radius: var(--tb-radius-pill);
    flex-shrink: 0;
  }
  .search-close-btn {
    width: 36px;
    height: 36px;
    min-width: 36px;
    font-size: 14px;
    flex-shrink: 0;
  }
  .page-rich-card,
  .tool-article-content .rich,
  .home-article .rich {
    padding: 18px 16px;
    margin: 2px 0 12px;
  }
  .hero { padding-top: 12px; padding-bottom: 8px; }
  .hero h1 { font-size: 23px; margin-bottom: 4px; }
  .hero-subtitle { font-size: 14px; margin-bottom: 12px; }
  .hero-badges { gap: 6px; margin-bottom: 8px; }
  .hero-badge { font-size: 11px; padding: 3px 8px; }
  
  .home-typing-model {
    padding: 14px 10px;
    border-radius: var(--tb-radius);
    margin-bottom: 10px;
  }
  .home-toolbar-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .home-best-score, .tb-sound-btn { width: 100%; justify-content: center; }
  .home-control-group {
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }
  .choice {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
  }
  .choice button {
    flex: 0 0 auto;
    min-width: max-content;
    white-space: nowrap;
    padding: 8px 16px;
    min-height: 38px;
    font-size: 13px;
    border-radius: var(--tb-radius-pill);
    box-sizing: border-box;
  }
  
  .home-timer-bar {
    flex-direction: column;
    align-items: stretch;
    padding: 14px;
  }
  .home-actions {
    width: 100%;
  }
  .home-actions button {
    flex: 1;
    min-width: 0;
  }
  .home-stats {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
  }
  .home-stats > div {
    min-width: 0;
    padding: 8px 4px;
  }
  .home-stats b { font-size: 18px; }
  .home-stats small { font-size: 10px; }
  
  .passage, .home-typing-passage {
    padding: 14px 16px;
    min-height: 120px;
    font-size: 19px !important;
  }
  .home-input-wrap, .typing-input-wrap {
    min-height: 140px;
  }
  .home-input-wrap textarea, .typing-input-wrap textarea,
  .home-typing-mirror, .typing-mirror {
    padding: 14px 16px;
    min-height: 140px;
    font-size: 19px !important;
  }
  
  .tb-result-card {
    grid-template-columns: repeat(2, 1fr);
  }
  .category-tool-grid {
    grid-template-columns: 1fr;
  }
  .simgrid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* Small Smartphone (≤ 380px) */
@media (max-width: 380px) {
  .logo { font-size: 19px; }
  .logo-badge { width: 32px; height: 32px; font-size: 16px; }
  .nav-actions { gap: 6px; }
  .search-trigger-btn, .theme-toggle-btn, .lang-toggle-btn, .nav-toggle {
    width: 34px;
    height: 34px;
  }
  .home-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .choice button {
    padding: 7px 14px;
    min-height: 36px;
    font-size: 12px;
    min-width: max-content;
    white-space: nowrap;
    flex: 0 0 auto;
  }
}

/* ============================================================
   Dark Mode Component Refinements
   ============================================================ */
[data-theme="dark"] body {
  background: var(--tb-surface);
  color: var(--tb-text);
}
[data-theme="dark"] input,
[data-theme="dark"] textarea,
[data-theme="dark"] select {
  color-scheme: dark;
  background: #0d1527;
  color: var(--tb-text);
  border-color: var(--tb-border);
}
[data-theme="dark"] input:focus,
[data-theme="dark"] textarea:focus,
[data-theme="dark"] select:focus {
  background: #111a2e;
  border-color: var(--tb-primary);
}
[data-theme="dark"] .passage,
[data-theme="dark"] .home-typing-passage,
[data-theme="dark"] .home-input-wrap,
[data-theme="dark"] .typing-input-wrap {
  background: #0d1527;
  border-color: var(--tb-border);
}
[data-theme="dark"] .home-typing-mirror,
[data-theme="dark"] .typing-mirror {
  color: #94a3b8;
}
[data-theme="dark"] .home-typing-passage .char.correct,
[data-theme="dark"] .passage .char.correct {
  color: #4ade80 !important;
}
[data-theme="dark"] .home-typing-passage .char.incorrect,
[data-theme="dark"] .passage .char.incorrect {
  color: #f87171 !important;
  background: rgba(248, 113, 113, 0.22) !important;
}
[data-theme="dark"] .home-typing-passage .char.current,
[data-theme="dark"] .passage .char.current {
  background: rgba(56, 189, 248, 0.3) !important;
  border-bottom: 2px solid #38bdf8 !important;
}
[data-theme="dark"] .badge-rank {
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  border-color: rgba(56, 189, 248, 0.3);
}
[data-theme="dark"] .home-timer-bar {
  background: #0d1527;
  border-color: var(--tb-border);
}
[data-theme="dark"] .home-stats > div {
  background: #151f32;
  border-color: var(--tb-border);
}
[data-theme="dark"] .tb-kb-keyboard {
  background: #0d1527;
  border-color: var(--tb-border);
}
[data-theme="dark"] .tb-kb-key {
  background: #182338;
  border-color: #2a3a52;
  color: #f1f5f9;
  box-shadow: 0 2px 0 #0b1120;
}
[data-theme="dark"] .tb-kb-key.active {
  background: var(--tb-primary);
  color: #ffffff;
  border-color: var(--tb-primary);
}
[data-theme="dark"] .converter-pane {
  background: #0d1527;
  border-color: var(--tb-border);
}
[data-theme="dark"] .converter-pane:focus-within {
  background: #111a2e;
  border-color: var(--tb-primary);
}
[data-theme="dark"] .btn-pane-tool {
  background: #151f32;
  border-color: var(--tb-border);
  color: var(--tb-text-secondary);
}
[data-theme="dark"] .btn-pane-tool:hover {
  background: #1e293b;
  color: var(--tb-primary);
  border-color: var(--tb-primary);
}
[data-theme="dark"] .conv-sample-chip {
  background: #151f32;
  border-color: #273549;
  color: var(--tb-primary);
}
[data-theme="dark"] .adv-check-pill {
  background: #0d1527;
  border-color: var(--tb-border);
  color: var(--tb-text);
}
[data-theme="dark"] .adv-check-pill:hover {
  background: #151f32;
}
[data-theme="dark"] .adv-chip {
  background: #151f32;
  border-color: #273549;
  color: var(--tb-primary);
}
[data-theme="dark"] .adv-date-picker-pane {
  background: #0d1527;
  border-color: var(--tb-border);
}
[data-theme="dark"] .adv-date-input {
  background: #151f32;
  border-color: var(--tb-border);
  color: var(--tb-text);
}
[data-theme="dark"] .adv-date-result-box {
  background: #151f32;
  border-color: var(--tb-border);
}
[data-theme="dark"] .adv-date-bn-val {
  color: var(--tb-primary);
}
[data-theme="dark"] .adv-date-detail-pill {
  background: #0d1527;
  border-color: var(--tb-border);
  color: var(--tb-text-secondary);
}
[data-theme="dark"] .adv-btn-primary {
  background: var(--tb-primary-gradient);
  color: #ffffff;
}
[data-theme="dark"] .adv-btn-secondary {
  background: #151f32;
  border-color: var(--tb-border);
  color: var(--tb-text);
}
[data-theme="dark"] .adv-btn-secondary:hover {
  background: #1e293b;
  border-color: var(--tb-primary);
  color: var(--tb-primary);
}
[data-theme="dark"] .page-rich-card,
body.dark-theme .page-rich-card,
.dark-theme .page-rich-card,
[data-theme="dark"] .tool-article-content .rich,
body.dark-theme .tool-article-content .rich,
.dark-theme .tool-article-content .rich,
[data-theme="dark"] .home-article .rich,
body.dark-theme .home-article .rich,
.dark-theme .home-article .rich,
[data-theme="dark"] .rich,
body.dark-theme .rich,
.dark-theme .rich {
  background: var(--tb-card) !important;
  border-color: var(--tb-border) !important;
  color: #cbd5e1 !important;
}
[data-theme="dark"] .rich h1,
[data-theme="dark"] .rich h2,
[data-theme="dark"] .rich h3,
[data-theme="dark"] .rich h4,
[data-theme="dark"] .rich h5,
[data-theme="dark"] .rich h6,
body.dark-theme .rich h1,
body.dark-theme .rich h2,
body.dark-theme .rich h3,
body.dark-theme .rich h4,
body.dark-theme .rich h5,
body.dark-theme .rich h6,
.dark-theme .rich h1,
.dark-theme .rich h2,
.dark-theme .rich h3,
.dark-theme .rich h4,
.dark-theme .rich h5,
.dark-theme .rich h6,
[data-theme="dark"] .page-rich-card h1,
[data-theme="dark"] .page-rich-card h2,
[data-theme="dark"] .page-rich-card h3,
[data-theme="dark"] .page-rich-card h4,
body.dark-theme .page-rich-card h1,
body.dark-theme .page-rich-card h2,
body.dark-theme .page-rich-card h3,
body.dark-theme .page-rich-card h4,
.dark-theme .page-rich-card h1,
.dark-theme .page-rich-card h2,
.dark-theme .page-rich-card h3,
.dark-theme .page-rich-card h4 {
  color: #f1f5f9 !important;
}
[data-theme="dark"] .rich p,
[data-theme="dark"] .rich li,
[data-theme="dark"] .rich span,
body.dark-theme .rich p,
body.dark-theme .rich li,
body.dark-theme .rich span,
.dark-theme .rich p,
.dark-theme .rich li,
.dark-theme .rich span,
[data-theme="dark"] .page-rich-card p,
[data-theme="dark"] .page-rich-card li,
body.dark-theme .page-rich-card p,
body.dark-theme .page-rich-card li,
.dark-theme .page-rich-card p,
.dark-theme .page-rich-card li {
  color: #cbd5e1 !important;
}
[data-theme="dark"] .rich strong,
[data-theme="dark"] .rich b,
body.dark-theme .rich strong,
body.dark-theme .rich b,
.dark-theme .rich strong,
.dark-theme .rich b,
[data-theme="dark"] .page-rich-card strong,
[data-theme="dark"] .page-rich-card b,
body.dark-theme .page-rich-card strong,
body.dark-theme .page-rich-card b,
.dark-theme .page-rich-card strong,
.dark-theme .page-rich-card b {
  color: #ffffff !important;
}
[data-theme="dark"] .rich th,
body.dark-theme .rich th,
.dark-theme .rich th {
  background: #1e293b !important;
  color: #f1f5f9 !important;
  border-color: #334155 !important;
}
[data-theme="dark"] .rich td,
body.dark-theme .rich td,
.dark-theme .rich td {
  border-color: #334155 !important;
  color: #cbd5e1 !important;
}
[data-theme="dark"] .rich blockquote {
  background: #0d1527;
  border-left-color: var(--tb-primary);
}
[data-theme="dark"] .rich code {
  background: #0d1527;
  color: #38bdf8;
}
[data-theme="dark"] .rich table th {
  background: #0d1527;
  border-color: var(--tb-border);
  color: var(--tb-text);
}
[data-theme="dark"] .rich table td {
  border-color: var(--tb-border);
}

/* High-Contrast Dark Mode Card & Text Enforcement */
[data-theme="dark"] .category-tool-card,
.dark-theme .category-tool-card {
  background: #151f32 !important;
  border-color: #273549 !important;
  box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.5) !important;
}
[data-theme="dark"] .category-tool-card:hover,
.dark-theme .category-tool-card:hover {
  background: #19263e !important;
  border-color: var(--tb-primary) !important;
  box-shadow: 0 16px 36px -4px rgba(56, 189, 248, 0.22) !important;
}
[data-theme="dark"] .category-tool-copy strong,
.dark-theme .category-tool-copy strong {
  color: #f1f5f9 !important;
}
[data-theme="dark"] .category-tool-card:hover .category-tool-copy strong,
.dark-theme .category-tool-card:hover .category-tool-copy strong {
  color: #38bdf8 !important;
}
[data-theme="dark"] .category-tool-desc,
.dark-theme .category-tool-desc {
  color: #94a3b8 !important;
}
[data-theme="dark"] .category-header h1,
.dark-theme .category-header h1 {
  color: #f1f5f9 !important;
}
[data-theme="dark"] .category-header .lead,
.dark-theme .category-header .lead {
  color: #94a3b8 !important;
}
[data-theme="dark"] .tb-svg-icon.icon-typing {
  background: rgba(37, 99, 235, 0.16) !important;
  color: #60a5fa !important;
  border-color: rgba(96, 165, 250, 0.3) !important;
}
[data-theme="dark"] .tb-svg-icon.icon-converter {
  background: rgba(5, 150, 105, 0.16) !important;
  color: #34d399 !important;
  border-color: rgba(52, 211, 153, 0.3) !important;
}
[data-theme="dark"] .tb-svg-icon.icon-counter {
  background: rgba(217, 119, 6, 0.16) !important;
  color: #fbbf24 !important;
  border-color: rgba(251, 191, 36, 0.3) !important;
}
[data-theme="dark"] .tb-svg-icon.icon-calculator {
  background: rgba(124, 58, 237, 0.16) !important;
  color: #a78bfa !important;
  border-color: rgba(167, 139, 250, 0.3) !important;
}
[data-theme="dark"] .tb-svg-icon.icon-article {
  background: rgba(219, 39, 119, 0.16) !important;
  color: #f472b6 !important;
  border-color: rgba(244, 114, 182, 0.3) !important;
}
[data-theme="dark"] .tb-svg-icon.icon-default {
  background: rgba(79, 70, 229, 0.16) !important;
  color: #818cf8 !important;
  border-color: rgba(129, 140, 248, 0.3) !important;
}

/* Global Text Visibility in Dark Mode */
[data-theme="dark"] h1, [data-theme="dark"] h2, [data-theme="dark"] h3,
[data-theme="dark"] h4, [data-theme="dark"] h5, [data-theme="dark"] h6 {
  color: #f1f5f9;
}
[data-theme="dark"] .section-head h2 {
  color: #f1f5f9 !important;
}
[data-theme="dark"] .section-head p,
[data-theme="dark"] .lead {
  color: #94a3b8 !important;
}
[data-theme="dark"] .choice button {
  background: #151f32;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #cbd5e1;
}
[data-theme="dark"] .choice button:hover {
  background: #1e293b;
  border-color: var(--tb-primary);
  color: var(--tb-primary);
}
[data-theme="dark"] .choice button.active {
  background: var(--tb-primary-gradient);
  color: #ffffff;
  border-color: var(--tb-primary);
  box-shadow: 0 4px 14px var(--tb-primary-glow);
}
[data-theme="dark"] .home-best-score {
  background: rgba(245, 158, 11, 0.15);
  border-color: rgba(245, 158, 11, 0.3);
  color: #fbbf24;
}
[data-theme="dark"] .home-best-score b {
  color: #fde68a;
}
[data-theme="dark"] .tb-sound-btn {
  background: #151f32;
  border-color: var(--tb-border);
  color: #cbd5e1;
}
[data-theme="dark"] .home-stats > div {
  background: #151f32;
  border-color: var(--tb-border);
  color: #cbd5e1;
}
[data-theme="dark"] .home-stats b {
  color: #f1f5f9;
}
[data-theme="dark"] .home-stats small {
  color: #94a3b8;
}
[data-theme="dark"] .converter-head h2 {
  color: #f1f5f9 !important;
}
[data-theme="dark"] .converter-pane label {
  color: #cbd5e1 !important;
}
[data-theme="dark"] .converter-counter {
  color: #94a3b8 !important;
}
[data-theme="dark"] .adv-conv-title-wrap h2 {
  color: #f1f5f9 !important;
}
[data-theme="dark"] .adv-chips-label {
  color: #94a3b8 !important;
}
[data-theme="dark"] .faq details {
  background: #151f32;
  border-color: var(--tb-border);
}
[data-theme="dark"] .faq summary {
  color: #f1f5f9;
}
[data-theme="dark"] .faq p {
  color: #cbd5e1;
}
[data-theme="dark"] .footer-col-title {
  color: #f1f5f9;
}
[data-theme="dark"] .footer-desc {
  color: #94a3b8;
}
[data-theme="dark"] .footer-menu a {
  color: #cbd5e1;
}
[data-theme="dark"] .footer-copy {
  color: #94a3b8;
}
[data-theme="dark"] .footer-built {
  color: #cbd5e1;
}

/* Dark Mode Toolbar, Search, Filter Pills & Capsule Pagination */
[data-theme="dark"] .tb-tools-search-input {
  background: #151f32;
  border-color: #273549;
  color: #f1f5f9;
}
[data-theme="dark"] .tb-tools-search-input:focus {
  border-color: #38bdf8;
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}
[data-theme="dark"] .tb-filter-pill {
  background: #151f32;
  border-color: #273549;
  color: #cbd5e1;
}
[data-theme="dark"] .tb-filter-pill:hover {
  background: #1e293b;
  border-color: #38bdf8;
  color: #f1f5f9;
}
[data-theme="dark"] .tb-filter-pill.active {
  background: rgba(56, 189, 248, 0.15);
  border-color: #38bdf8;
  color: #38bdf8;
}
[data-theme="dark"] .tb-filter-count {
  background: #0d1527;
  color: #94a3b8;
}
[data-theme="dark"] .tb-filter-pill.active .tb-filter-count {
  background: #38bdf8;
  color: #0b1120;
}
[data-theme="dark"] .tb-pagination-capsule {
  background: #151f32;
  border-color: #273549;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
}
[data-theme="dark"] .tb-page-nav {
  color: #94a3b8;
}
[data-theme="dark"] .tb-page-nav:hover:not(:disabled):not(.disabled) {
  color: #f1f5f9;
  background: #1e293b;
}
[data-theme="dark"] .tb-page-num {
  color: #cbd5e1;
}
[data-theme="dark"] .tb-page-num:hover:not(.active) {
  background: #1e293b;
  color: #38bdf8;
}
[data-theme="dark"] .tb-page-num.active {
  background: #38bdf8;
  color: #0b1120 !important;
}
[data-theme="dark"] .tb-page-ellipsis {
  color: #64748b;
}
[data-theme="dark"] .tb-tools-empty-state {
  background: #151f32;
  border-color: #273549;
}

/* ==========================================================================
   Universal Comparison & Responsive Data Tables (3-Part Layout & Mobile Optimization)
   ========================================================================== */
.table-responsive {
  width: 100%;
  margin: 28px 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: 12px;
  border: 1px solid var(--tb-border, #cbd5e1);
  background: var(--tb-card-bg, #ffffff);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}

.table-bordered,
.comp-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--tb-text, #1e293b);
}

.table-bordered th,
.comp-table th {
  background: #f1f5f9;
  color: #0f172a;
  padding: 14px 18px;
  font-weight: 700;
  font-size: 14px;
  border-bottom: 2px solid #cbd5e1;
  border-right: 1px solid #cbd5e1;
  letter-spacing: 0.01em;
}

.table-bordered th:last-child,
.comp-table th:last-child {
  border-right: none;
}

.table-bordered th:nth-child(2),
.comp-table th:nth-child(2) {
  background: #eff6ff;
  color: #1d4ed8;
  border-left: 1px solid #cbd5e1;
  border-right: 1px solid #cbd5e1;
}

.table-bordered td,
.comp-table td {
  padding: 13px 18px;
  border-bottom: 1px solid #e2e8f0;
  border-right: 1px solid #e2e8f0;
  vertical-align: middle;
}

.table-bordered td:last-child,
.comp-table td:last-child {
  border-right: none;
}

.table-bordered tr:last-child td,
.comp-table tr:last-child td {
  border-bottom: none;
}

.table-bordered tr:hover td,
.comp-table tr:hover td {
  background: #f8fafc;
}

.table-bordered td:nth-child(2),
.comp-table td:nth-child(2) {
  background: rgba(16, 185, 129, 0.04);
  border-left: 1px solid #e2e8f0;
  border-right: 1px solid #e2e8f0;
}

.table-bordered tr:hover td:nth-child(2),
.comp-table tr:hover td:nth-child(2) {
  background: rgba(16, 185, 129, 0.08);
}

.table-badge-good {
  display: inline-block;
  padding: 2px 7px;
  background: #d1fae5;
  color: #065f46;
  border-radius: 6px;
  font-weight: 700;
  font-size: 12.5px;
  margin-right: 4px;
}

.table-badge-bad {
  display: inline-block;
  padding: 2px 7px;
  background: #fee2e2;
  color: #991b1b;
  border-radius: 6px;
  font-weight: 700;
  font-size: 12.5px;
  margin-right: 4px;
}

/* Dark Theme for Tables */
[data-theme="dark"] .table-responsive,
body.dark-theme .table-responsive,
.dark-theme .table-responsive {
  background: #0f172a;
  border-color: #273549;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .table-bordered,
[data-theme="dark"] .comp-table,
body.dark-theme .table-bordered,
body.dark-theme .comp-table {
  color: #cbd5e1;
}

[data-theme="dark"] .table-bordered th,
[data-theme="dark"] .comp-table th,
body.dark-theme .table-bordered th,
body.dark-theme .comp-table th {
  background: #182338;
  color: #f8fafc;
  border-bottom: 2px solid #273549;
  border-right: 1px solid #273549;
}

[data-theme="dark"] .table-bordered th:nth-child(2),
[data-theme="dark"] .comp-table th:nth-child(2),
body.dark-theme .table-bordered th:nth-child(2),
body.dark-theme .comp-table th:nth-child(2) {
  background: rgba(37, 99, 235, 0.18);
  color: #60a5fa;
  border-left: 1px solid #273549;
  border-right: 1px solid #273549;
}

[data-theme="dark"] .table-bordered td,
[data-theme="dark"] .comp-table td,
body.dark-theme .table-bordered td,
body.dark-theme .comp-table td {
  border-bottom: 1px solid #273549;
  border-right: 1px solid #273549;
}

[data-theme="dark"] .table-bordered td:nth-child(2),
[data-theme="dark"] .comp-table td:nth-child(2),
body.dark-theme .table-bordered td:nth-child(2),
body.dark-theme .comp-table td:nth-child(2) {
  background: rgba(16, 185, 129, 0.08);
  border-left: 1px solid #273549;
  border-right: 1px solid #273549;
}

[data-theme="dark"] .table-bordered tr:hover td,
[data-theme="dark"] .comp-table tr:hover td,
body.dark-theme .table-bordered tr:hover td,
body.dark-theme .comp-table tr:hover td {
  background: #141f33;
}

[data-theme="dark"] .table-badge-good,
body.dark-theme .table-badge-good {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
}

[data-theme="dark"] .table-badge-bad,
body.dark-theme .table-badge-bad {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
}

/* Mobile Responsive Optimization: Fits all 3 parts fully on mobile screen */
@media (max-width: 680px) {
  .table-responsive {
    margin: 18px 0;
    border-radius: 10px;
    width: 100%;
  }
  .table-bordered,
  .comp-table {
    font-size: 11.5px;
    line-height: 1.38;
    table-layout: auto;
    width: 100%;
  }
  .table-bordered th,
  .comp-table th {
    padding: 9px 5px !important;
    font-size: 11px !important;
    white-space: normal;
  }
  .table-bordered td,
  .comp-table td {
    padding: 8px 5px !important;
    font-size: 11px !important;
    white-space: normal;
    word-break: break-word;
  }
  .table-bordered th:first-child,
  .table-bordered td:first-child,
  .comp-table th:first-child,
  .comp-table td:first-child {
    width: 28% !important;
    min-width: 78px;
  }
  .table-bordered th:nth-child(2),
  .table-bordered td:nth-child(2),
  .comp-table th:nth-child(2),
  .comp-table td:nth-child(2) {
    width: 36% !important;
    min-width: 98px;
  }
  .table-bordered th:nth-child(3),
  .table-bordered td:nth-child(3),
  .comp-table th:nth-child(3),
  .comp-table td:nth-child(3) {
    width: 36% !important;
    min-width: 98px;
  }
  .table-badge-good,
  .table-badge-bad {
    display: inline-block;
    padding: 1px 4px;
    font-size: 9.5px;
    border-radius: 4px;
    margin-right: 2px;
    margin-bottom: 2px;
  }
}

@media (max-width: 400px) {
  .table-bordered,
  .comp-table {
    font-size: 10.5px;
  }
  .table-bordered th,
  .comp-table th {
    padding: 7px 4px !important;
    font-size: 10.5px !important;
  }
  .table-bordered td,
  .comp-table td {
    padding: 6px 4px !important;
    font-size: 10.5px !important;
  }
  .table-bordered th:first-child,
  .table-bordered td:first-child,
  .comp-table th:first-child,
  .comp-table td:first-child {
    min-width: 70px;
  }
  .table-bordered th:nth-child(2),
  .table-bordered td:nth-child(2),
  .comp-table th:nth-child(2),
  .comp-table td:nth-child(2) {
    min-width: 88px;
  }
  .table-bordered th:nth-child(3),
  .table-bordered td:nth-child(3),
  .comp-table th:nth-child(3),
  .comp-table td:nth-child(3) {
    min-width: 88px;
  }
}

/* --- Mobile Responsiveness for Tools Category --- */
@media (max-width: 768px) {
  .adv-conv-card,
  .tdr-container,
  .ts-container,
  .far-container,
  .tdr-card,
  .ts-card,
  .far-card,
  .word-counter-tool {
    width: 100% !important;
    max-width: 100% !important;
    padding: 16px 12px !important;
    box-sizing: border-box !important;
    border-radius: 14px !important;
  }
  .adv-conv-title-wrap h2,
  .tdr-badge-title h2,
  .ts-badge-title h2,
  .far-badge-title h2 {
    font-size: 17px !important;
    text-align: center !important;
    line-height: 1.35 !important;
  }
  .tdr-badge-title,
  .ts-badge-title,
  .far-badge-title {
    flex-direction: column !important;
    gap: 8px !important;
    text-align: center !important;
  }
  .tdr-icon-badge,
  .ts-icon-badge,
  .far-icon-badge {
    margin: 0 auto !important;
  }
  .tdr-panes-grid,
  .ts-panes-grid,
  .far-panes-grid,
  .converter-grid,
  .adv-date-grid,
  .bli-controls-grid {
    grid-template-columns: 1fr !important;
    width: 100% !important;
  }
  .bli-actions-bar .bli-btn,
  .converter-actions button,
  .word-counter-actions button {
    width: 100% !important;
    max-width: 100% !important;
  }
  .ts-algo-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
  .tdr-options-grid,
  .ts-options-grid {
    grid-template-columns: 1fr !important;
  }
}

.img-related-tools {
  display: none !important;
  visibility: hidden !important;
  height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  opacity: 0 !important;
}