/* ==========================================================================
   UNTools — Pure Minimalist Design System (v0 Machinist's Blueprint)
   Theme: Light & Dark | Clean, High-Density Sectioned Blueprint
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Geist+Mono:wght@400;500;600&family=Geist:wght@400;500;600;700&display=swap');

:root {
  /* Light Theme Color Tokens */
  --color-paper-white: #ffffff;
  --color-canvas: #fafafa;
  --color-line: #eaeaea;
  --color-line-subtle: #f2f2f2;
  --color-subtext: #666666;
  --color-subtext-light: #888888;
  --color-icon: #737373;
  --color-ink: #171717;
  --color-onyx: #000000;
  --color-surface-hover: #f4f4f5;
  --color-header-bg: rgba(250, 250, 250, 0.85);

  /* Subtle Dot Grid */
  --dot-color: rgba(0, 0, 0, 0.04);
  --spotlight-glow: rgba(0, 0, 0, 0.035);

  /* State */
  --color-star: #eab308;
  --color-star-bg: rgba(234, 179, 8, 0.1);

  /* Typography */
  --font-sans: 'Geist', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'Geist Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Layout */
  --page-max-width: 1220px;
  --radius-sm: 6px;
  --radius-btn: 8px;
  --radius-card: 10px;

  /* Shadows */
  --shadow-subtle: 0px 0px 0px 1px rgba(0, 0, 0, 0.06), 0px 1px 2px 0px rgba(0, 0, 0, 0.02);
  --shadow-hover: 0px 0px 0px 1px rgba(0, 0, 0, 0.12), 0px 4px 12px -2px rgba(0, 0, 0, 0.05);
  --shadow-popover: 0px 16px 36px -8px rgba(0, 0, 0, 0.15);

  /* Easing */
  --transition: 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Dark Theme (Machinist Dark Blueprint) */
html.dark, :root.dark {
  --color-paper-white: #121215;
  --color-canvas: #09090b;
  --color-line: #27272a;
  --color-line-subtle: #1c1c20;
  --color-subtext: #a1a1aa;
  --color-subtext-light: #71717a;
  --color-icon: #71717a;
  --color-ink: #f4f4f5;
  --color-onyx: #ffffff;
  --color-surface-hover: #18181b;
  --color-header-bg: rgba(9, 9, 11, 0.85);

  --dot-color: rgba(255, 255, 255, 0.03);
  --spotlight-glow: rgba(255, 255, 255, 0.035);

  --shadow-subtle: 0px 0px 0px 1px rgba(255, 255, 255, 0.08), 0px 1px 2px 0px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0px 0px 0px 1px rgba(255, 255, 255, 0.18), 0px 4px 14px -2px rgba(0, 0, 0, 0.7);
  --shadow-popover: 0px 16px 36px -8px rgba(0, 0, 0, 0.6);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 15px;
  background-color: var(--color-canvas);
  color: var(--color-ink);
  -webkit-font-smoothing: antialiased;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE / Edge */
}

html::-webkit-scrollbar,
body::-webkit-scrollbar {
  display: none; /* Chrome, Safari, Opera */
  width: 0;
  height: 0;
}

body {
  font-family: var(--font-sans);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--color-canvas);
  color: var(--color-ink);
  position: relative;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

/* Subtle Blueprint Grid Pattern */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: radial-gradient(var(--dot-color) 1px, transparent 1px);
  background-size: 20px 20px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 20%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 20%, black 30%, transparent 100%);
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
  user-select: none;
}

.mono {
  font-family: var(--font-mono);
}

.tabler-icon {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
  stroke-width: 1.75;
}

/* Gradual Viewport Blur Overlay */
.viewport-gradual-blur-top {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 48px;
  pointer-events: none;
  z-index: 90;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  mask-image: linear-gradient(to bottom, black 0%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, black 0%, transparent 100%);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  background-color: var(--color-header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-line);
}

.header-container {
  width: 100%;
  max-width: 100%;
  padding: 10px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: -0.3px;
}

.brand-logo-img {
  width: 28px;
  height: 28px;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  border-radius: 6px;
  display: block;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.brand-logo:hover .brand-logo-img {
  transform: rotate(90deg);
}

html.dark .brand-logo-img {
  filter: invert(1);
  mix-blend-mode: screen;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.header-link-btn {
  font-size: 12px;
  color: var(--color-subtext);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all var(--transition);
}

.header-link-btn:hover {
  color: var(--color-ink);
  background-color: var(--color-surface-hover);
}

.header-link-btn.active {
  color: var(--color-ink);
  background-color: var(--color-surface-hover);
  box-shadow: var(--shadow-subtle);
}

.tg-header-icon {
  width: 11.5px;
  height: 11.5px;
  object-fit: contain;
  display: inline-block;
  vertical-align: middle;
  filter: invert(1);
  transition: opacity var(--transition);
}

html.dark .tg-header-icon {
  filter: invert(0);
}

.plus-header-icon {
  width: 9.5px;
  height: 9.5px;
  object-fit: contain;
  display: inline-block;
  vertical-align: middle;
  filter: invert(1);
  transition: opacity var(--transition);
}

html.dark .plus-header-icon {
  filter: invert(0);
}

/* Language Switcher */
.lang-segmented-control {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  background-color: var(--color-paper-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 2px 4px;
  font-size: 11px;
  font-weight: 500;
  color: var(--color-subtext);
  user-select: none;
}

.lang-seg-btn {
  padding: 2px 5px;
  border-radius: 4px;
  color: var(--color-subtext);
  font-size: 11px;
  font-family: var(--font-mono);
  font-weight: 500;
  transition: all var(--transition);
  cursor: pointer;
  line-height: 1.2;
}

.lang-seg-btn:hover {
  color: var(--color-ink);
}

.lang-seg-btn.active {
  background-color: var(--color-canvas);
  color: var(--color-ink);
  font-weight: 700;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12);
}

.lang-seg-divider {
  color: var(--color-line);
  font-size: 10px;
  padding: 0 1px;
}

/* Skiper 26 Theme Button */
.skiper-theme-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--color-paper-white);
  border: 1px solid var(--color-line);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  cursor: pointer;
  box-shadow: var(--shadow-subtle);
  transition: all var(--transition);
}

.skiper-theme-btn:hover {
  border-color: #a1a1aa;
}

.skiper-theme-btn:active {
  transform: scale(0.92);
}

.skiper-icon-svg {
  width: 16px;
  height: 16px;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

html.dark .skiper-icon-svg {
  transform: rotate(-180deg);
}

/* Main & Hero */
main {
  position: relative;
  z-index: 1;
  flex: 1;
}

.hero-section {
  max-width: 680px;
  margin: 0 auto;
  padding: 32px 20px 16px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.hero-title {
  font-size: 28px;
  line-height: 1.15;
  letter-spacing: -1px;
  font-weight: 600;
  color: var(--color-ink);
}

.hero-description {
  font-size: 13.5px;
  color: var(--color-subtext);
  line-height: 1.45;
  max-width: 520px;
}

/* Centered Search Bar */
.search-wrapper {
  width: 100%;
  max-width: 560px;
  margin-top: 2px;
}

.main-input-box {
  width: 100%;
  display: flex;
  align-items: center;
  background-color: var(--color-paper-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-btn);
  padding: 6px 12px;
  box-shadow: var(--shadow-subtle);
  transition: all var(--transition);
}

.main-input-box:focus-within {
  border-color: var(--color-ink);
  box-shadow: 0 0 0 1px var(--color-ink);
}

.search-icon-left {
  color: var(--color-icon);
  margin-right: 8px;
  display: flex;
  align-items: center;
}

.search-input {
  width: 100%;
  font-size: 13.5px;
  color: var(--color-ink);
  padding: 4px 0;
}

.search-input::placeholder {
  color: var(--color-subtext);
}

.search-kbd {
  font-family: var(--font-mono);
  font-size: 10px;
  background-color: var(--color-canvas);
  border: 1px solid var(--color-line);
  border-radius: 3px;
  padding: 1px 5px;
  color: var(--color-subtext);
}

.search-clear-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: var(--color-line);
  color: var(--color-subtext);
  cursor: pointer;
  margin-left: 6px;
}

.search-clear-btn.visible {
  display: flex;
}

/* Structured Filter & Sort Toolbar (Machinist Blueprint) */
.filter-toolbar {
  width: 100%;
  max-width: 820px;
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.filter-row,
.filter-group {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}

.select-box {
  display: inline-flex;
  align-items: center;
  background-color: var(--color-paper-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-btn);
  padding: 3px 8px 3px 10px;
  box-shadow: var(--shadow-subtle);
  transition: all var(--transition);
}

.select-box:focus-within {
  border-color: var(--color-ink);
  box-shadow: 0 0 0 1px var(--color-ink);
}

.select-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--color-subtext-light);
  margin-right: 6px;
  user-select: none;
}

.toolbar-select {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--color-ink);
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 3px 4px;
  outline: none;
}

.toolbar-select option {
  background-color: var(--color-paper-white);
  color: var(--color-ink);
}

.toolbar-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: var(--radius-btn);
  background-color: var(--color-paper-white);
  border: 1px solid var(--color-line);
  color: var(--color-subtext);
  box-shadow: var(--shadow-subtle);
  transition: all var(--transition);
  cursor: pointer;
}

.toolbar-btn:hover {
  color: var(--color-ink);
  border-color: #a1a1aa;
}

.toolbar-btn.active {
  background-color: var(--color-star-bg);
  border-color: rgba(234, 179, 8, 0.4);
  color: var(--color-star);
}

.toolbar-btn.reset-btn {
  color: #ef4444;
  border-color: rgba(239, 68, 68, 0.25);
  background-color: rgba(239, 68, 68, 0.05);
}

.toolbar-btn.reset-btn:hover {
  background-color: rgba(239, 68, 68, 0.12);
  border-color: #ef4444;
}

.count-badge {
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 4px;
  background-color: var(--color-canvas);
  border: 1px solid var(--color-line);
}

/* ==========================================================================
   Sectioned Catalog (Screenshot_5.png Architecture)
   ========================================================================== */

.catalog-section {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 16px 20px 48px;
  width: 100%;
}

.catalog-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
  margin-bottom: 28px;
  padding: 0 2px;
}

.results-count {
  font-size: 11.5px;
  font-family: var(--font-mono);
  color: var(--color-subtext-light);
  letter-spacing: -0.2px;
}

.view-switcher {
  display: flex;
  align-items: center;
  background-color: var(--color-paper-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 3px;
  gap: 3px;
}

.view-btn {
  padding: 5px 8px;
  border-radius: 5px;
  color: var(--color-icon);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.view-btn:hover {
  color: var(--color-ink);
}

.view-btn.active {
  background-color: var(--color-canvas);
  color: var(--color-ink);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12);
}

/* Category Group Block */
.catalog-section-group {
  margin-bottom: 36px;
}

.catalog-section-group {
  margin-bottom: 32px;
  content-visibility: auto;
  contain-intrinsic-size: 1px 320px;
}

.section-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-line);
}

.section-title-wrapper {
  display: flex;
  align-items: center;
  gap: 7px;
}

.section-title {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.2px;
  color: var(--color-ink);
}

.section-count-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  background-color: var(--color-paper-white);
  border: 1px solid var(--color-line);
  color: var(--color-subtext);
}

/* ==========================================================================
   Tools Grid & Card (Exact Match to Reference with Machinist Styling)
   ========================================================================== */

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 12px;
}

@media (min-width: 1100px) {
  .tools-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.tool-card {
  background-color: var(--color-paper-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-subtle);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 10px;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  content-visibility: auto;
  contain-intrinsic-size: 1px 170px;
}

/* Spotlight Effect */
.tool-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  background: radial-gradient(
    380px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    var(--spotlight-glow),
    transparent 60%
  );
}

.tool-card:hover::before {
  opacity: 1;
}

.tool-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-1px);
}

/* Card Top Row */
.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  position: relative;
  z-index: 1;
}

.card-title-group {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
  flex: 1;
}

/* Real Logo Icon Container */
.tool-logo-box {
  width: 22px;
  height: 22px;
  border-radius: 5px;
  background-color: var(--color-canvas);
  border: 1px solid var(--color-line);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}

.tool-real-logo {
  width: 16px;
  height: 16px;
  object-fit: contain;
  display: block;
}

.tool-name {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.2px;
  color: var(--color-ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: opacity var(--transition);
}

.tool-name:hover {
  opacity: 0.8;
}

/* Star Rating Pill Button (Top Right) */
.card-star-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background-color: var(--color-canvas);
  border: 1px solid var(--color-line);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-subtext);
  transition: all var(--transition);
  flex-shrink: 0;
}

.card-star-btn:hover {
  border-color: #a1a1aa;
  color: var(--color-ink);
}

.card-star-btn.starred {
  color: var(--color-star);
  background-color: var(--color-star-bg);
  border-color: rgba(234, 179, 8, 0.35);
}

/* Card Body */
.card-desc {
  font-size: 12.5px;
  line-height: 1.45;
  color: var(--color-subtext);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  position: relative;
  z-index: 1;
}

/* Card Bottom Row */
.card-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--color-line-subtle);
  position: relative;
  z-index: 1;
}

.card-breadcrumb {
  font-size: 11px;
  color: var(--color-subtext-light);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.card-bottom-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.card-copy-btn {
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 5px;
  background-color: var(--color-canvas);
  border: 1px solid var(--color-line);
  color: var(--color-subtext);
  transition: all var(--transition);
}

.card-copy-btn:hover {
  color: var(--color-ink);
  border-color: #a1a1aa;
}

.card-arrow-btn {
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 5px;
  background-color: var(--color-canvas);
  border: 1px solid var(--color-line);
  color: var(--color-subtext);
  transition: all var(--transition);
}

.card-arrow-btn:hover {
  color: var(--color-ink);
  border-color: #a1a1aa;
  background-color: var(--color-paper-white);
  transform: translateY(-1px);
}

.ui-action-icon {
  width: 12px;
  height: 12px;
  object-fit: contain;
  display: inline-block;
  vertical-align: middle;
  filter: invert(0);
  opacity: 0.75;
  transition: opacity var(--transition), filter var(--transition), transform var(--transition);
}

.card-copy-btn:hover .ui-action-icon,
.card-arrow-btn:hover .ui-action-icon {
  opacity: 1;
}

html.dark .ui-action-icon {
  filter: invert(1);
}

.detail-open-btn .ui-action-icon-cta {
  width: 10px;
  height: 10px;
  opacity: 1;
  filter: invert(1);
  margin-left: 1px;
}

html.dark .detail-open-btn .ui-action-icon-cta {
  filter: invert(0);
}

/* Table View */
.tools-table-container {
  display: none;
  background-color: var(--color-paper-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  overflow-x: auto;
  box-shadow: var(--shadow-subtle);
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.tools-table-container::-webkit-scrollbar {
  display: none;
}

.tools-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 12.5px;
}

.tools-table th {
  background-color: var(--color-canvas);
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  color: var(--color-subtext);
  text-transform: uppercase;
  border-bottom: 1px solid var(--color-line);
}

.tools-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-line-subtle);
  vertical-align: middle;
}

.tools-table tr:hover td {
  background-color: var(--color-surface-hover);
}

/* Empty State */
.empty-state {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 36px 20px;
  text-align: center;
  background-color: var(--color-paper-white);
  border: 1px dashed var(--color-line);
  border-radius: var(--radius-card);
  gap: 4px;
}

.empty-title {
  font-size: 14px;
  font-weight: 600;
}

.empty-text {
  font-size: 12px;
  color: var(--color-subtext);
}

.site-footer {
  border-top: 1px solid var(--color-line);
  background-color: var(--color-paper-white);
  padding: 16px 32px;
  font-size: 12px;
  color: var(--color-subtext);
}

.footer-container {
  width: 100%;
  max-width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11.5px;
}

.footer-brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-ink);
  transition: opacity var(--transition);
}

.footer-logo-img {
  width: 18px;
  height: 18px;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  border-radius: 4px;
  display: block;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.footer-brand-logo:hover .footer-logo-img {
  transform: rotate(90deg);
}

html.dark .footer-logo-img {
  filter: invert(1);
  mix-blend-mode: screen;
}

.footer-title {
  font-weight: 600;
  color: var(--color-ink);
}

.footer-divider {
  color: var(--color-subtext-light);
}

.footer-tg-link {
  color: var(--color-subtext);
  transition: color var(--transition);
}

.footer-tg-link:hover {
  color: var(--color-ink);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-link {
  color: var(--color-subtext);
  font-size: 12px;
  transition: color var(--transition);
  cursor: pointer;
  background: none;
  border: none;
  padding: 2px 4px;
}

.footer-link:hover {
  color: var(--color-ink);
}

.footer-divider-dot {
  color: var(--color-subtext-light);
  font-size: 10px;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal-overlay.active {
  display: flex;
}

.modal-box {
  background-color: var(--color-paper-white);
  border-radius: var(--radius-card);
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-popover);
  border: 1px solid var(--color-line);
  overflow: hidden;
  animation: modalFadeIn 0.15s ease-out;
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: scale(0.98);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.modal-header {
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-line);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 13px;
  font-weight: 600;
}

.modal-close-btn {
  color: var(--color-subtext);
  font-size: 14px;
  padding: 2px;
}

.modal-close-btn:hover {
  color: var(--color-ink);
}

.modal-body {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.form-label {
  font-size: 10px;
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--color-ink);
}

.form-input, .form-select, .form-textarea {
  background-color: var(--color-canvas);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  font-size: 12px;
  color: var(--color-ink);
  transition: all var(--transition);
}

.form-textarea {
  resize: none !important;
  min-height: 84px;
  max-height: 84px;
  height: 84px;
  font-family: inherit;
  line-height: 1.45;
  box-sizing: border-box;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  background-color: var(--color-paper-white);
  border-color: var(--color-ink);
}

.modal-footer {
  padding: 8px 14px;
  border-top: 1px solid var(--color-line);
  background-color: var(--color-canvas);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
}

.btn-ghost {
  color: var(--color-subtext);
  font-size: 12px;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

.btn-ghost:hover {
  color: var(--color-ink);
}

.btn-submit {
  background-color: var(--color-ink);
  color: var(--color-canvas);
  font-size: 12px;
  font-weight: 500;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  transition: opacity var(--transition);
}

.btn-submit:hover {
  opacity: 0.88;
}

/* ==========================================================================
   Tool Detail Modal (Frosted Glass Backdrop Blur)
   ========================================================================== */

.detail-modal-overlay {
  background-color: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  padding: 20px;
}

.detail-modal-box {
  max-width: 560px;
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--color-line);
  background-color: var(--color-paper-white);
  box-shadow: var(--shadow-popover);
  overflow: hidden;
  animation: detailModalIn 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes detailModalIn {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(8px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.detail-header {
  padding: 16px 20px 14px;
  border-bottom: 1px solid var(--color-line-subtle);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.detail-title-group {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  flex: 1;
}

.detail-logo-box {
  width: 40px;
  height: 40px;
  border-radius: 9px;
  background-color: var(--color-canvas);
  border: 1px solid var(--color-line);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}

.detail-real-logo {
  width: 24px;
  height: 24px;
  object-fit: contain;
  display: block;
}

.detail-title-col {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.detail-name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--color-ink);
}

.detail-meta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 11.5px;
}

.detail-domain {
  color: var(--color-subtext);
}

.detail-category-badge {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 4px;
  background-color: var(--color-canvas);
  border: 1px solid var(--color-line);
  color: var(--color-subtext);
}

.detail-body {
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.detail-desc-full {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--color-ink);
}

.detail-section-block {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.detail-section-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-subtext-light);
}

.detail-chips-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.detail-chip {
  font-size: 11.5px;
  padding: 3px 8px;
  border-radius: 5px;
  background-color: var(--color-canvas);
  border: 1px solid var(--color-line);
  color: var(--color-subtext);
}

.detail-chip.feature-chip {
  background-color: var(--color-surface-hover);
  color: var(--color-ink);
  font-weight: 500;
}

.detail-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--color-line-subtle);
  background-color: var(--color-canvas);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.detail-footer-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.detail-open-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: var(--radius-btn);
  background-color: var(--color-ink);
  color: var(--color-canvas);
  font-size: 12.5px;
  font-weight: 600;
  transition: opacity var(--transition), transform var(--transition);
}

.detail-open-btn:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

/* Document Modals (Help & Legal) */
.doc-modal-box {
  max-width: 620px;
  width: 100%;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  border-radius: 14px;
  border: 1px solid var(--color-line);
  background-color: var(--color-paper-white);
  box-shadow: var(--shadow-popover);
  overflow: hidden;
  animation: detailModalIn 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-doc-body {
  padding: 20px 24px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
  font-size: 13px;
  line-height: 1.6;
  scrollbar-width: none;
}

.modal-doc-body::-webkit-scrollbar {
  display: none;
}

.doc-section {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.doc-section-title {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--color-ink);
  letter-spacing: -0.2px;
}

.doc-p {
  color: var(--color-subtext);
}

.doc-list {
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--color-subtext);
}

.doc-list li strong {
  color: var(--color-ink);
}

.doc-list code {
  font-family: var(--font-mono);
  font-size: 11px;
  background-color: var(--color-canvas);
  border: 1px solid var(--color-line);
  padding: 1px 4px;
  border-radius: 3px;
  color: var(--color-ink);
}

.doc-link {
  color: var(--color-ink);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.doc-link:hover {
  opacity: 0.8;
}

/* Stats & Analytics Modal (Machinist Blueprint) */
.stats-modal-box {
  max-width: 680px;
  max-height: 85vh;
}

.stats-metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 6px;
}

@media (max-width: 600px) {
  .stats-metrics-grid {
    grid-template-columns: 1fr;
  }
}

.stat-card {
  background-color: var(--color-canvas);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-val {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-onyx);
  letter-spacing: -0.5px;
}

.stat-label {
  font-size: 11px;
  color: var(--color-subtext);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.stat-section-block {
  background-color: var(--color-canvas);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.stat-section-heading {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--color-ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.stat-bar-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-bar-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.stat-bar-header {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--color-ink);
}

.stat-bar-track {
  width: 100%;
  height: 6px;
  background-color: var(--color-line);
  border-radius: 3px;
  overflow: hidden;
}

.stat-bar-fill {
  height: 100%;
  background-color: var(--color-onyx);
  border-radius: 3px;
  transition: width 0.4s ease;
}

.stat-events-feed {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 160px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  scrollbar-width: none;
}

.stat-events-feed::-webkit-scrollbar {
  display: none;
}

.stat-event-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 8px;
  background-color: var(--color-paper-white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-line-subtle);
}

.stat-event-time {
  color: var(--color-subtext-light);
  font-size: 10px;
}

.stat-actions-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 10px;
  border-top: 1px solid var(--color-line);
}

/* ==========================================================================
   Cloudflare Turnstile Verification Modal (Anti-Bot Rating Protection)
   ========================================================================== */

.turnstile-modal-box {
  max-width: 440px;
  width: 92%;
  border-radius: 12px;
  border: 1px solid var(--color-line);
  background-color: var(--color-paper-white);
  box-shadow: var(--shadow-popover);
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  animation: detailModalIn 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

.turnstile-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.turnstile-title-group {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-ink);
}

.turnstile-shield-icon {
  color: var(--color-ink);
}

.turnstile-subtitle {
  font-size: 12.5px;
  line-height: 1.45;
  color: var(--color-subtext);
  margin-top: 2px;
}

.turnstile-desc {
  font-size: 11.5px;
  color: var(--color-subtext-light);
  margin-top: 2px;
}

.turnstile-widget-card {
  margin-top: 10px;
  background-color: var(--color-canvas);
  border: 1px solid var(--color-line);
  border-radius: 8px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
  user-select: none;
  cursor: pointer;
}

.turnstile-widget-card:hover {
  border-color: var(--color-onyx);
  background-color: var(--color-surface-hover);
}

.turnstile-widget-card.verified {
  border-color: #10b981 !important;
  background-color: rgba(16, 185, 129, 0.06) !important;
  cursor: default;
}

.turnstile-status-col {
  display: flex;
  align-items: center;
  gap: 12px;
}

.turnstile-checkbox {
  width: 22px;
  height: 22px;
  border-radius: 4px;
  border: 2px solid var(--color-line);
  background-color: var(--color-paper-white);
  transition: border-color 0.2s ease, transform 0.15s ease;
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.1);
}

.turnstile-widget-card:hover .turnstile-checkbox {
  border-color: #3b82f6;
  transform: scale(1.05);
}

.turnstile-widget-card.verifying .turnstile-checkbox {
  display: none !important;
}

.turnstile-widget-card.verifying .turnstile-spinner-ring {
  display: block !important;
}

.turnstile-widget-card.verified .turnstile-checkbox {
  display: none !important;
}

.turnstile-widget-card.verified .turnstile-spinner-ring {
  display: none !important;
}

.turnstile-spinner-ring {
  width: 22px;
  height: 22px;
  border: 2.5px solid rgba(120, 120, 128, 0.2);
  border-top-color: #3b82f6;
  border-radius: 50%;
  animation: turnstileSpin 0.75s linear infinite;
}

.turnstile-check-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background-color: #10b981;
  color: #ffffff;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: bold;
}

.turnstile-widget-card.verified .turnstile-check-icon {
  display: flex !important;
  animation: checkPop 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes turnstileSpin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes checkPop {
  0% { transform: scale(0.5); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.turnstile-status-text {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-ink);
}

.turnstile-brand-col {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}

.turnstile-cf-logo {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--color-ink);
}

.turnstile-links {
  font-size: 9.5px;
  color: var(--color-subtext-light);
  display: flex;
  gap: 4px;
}

.turnstile-links a {
  color: inherit;
  text-decoration: underline;
}

/* ==========================================================================
   Floating Telegram Live Radar (Machinist Blueprint Bespoke)
   ========================================================================== */

.tg-floating-widget {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 950;
  max-width: 380px;
  width: calc(100% - 48px);
  background-color: var(--color-paper-white);
  border: 1px solid var(--color-line);
  border-radius: 12px;
  box-shadow: var(--shadow-popover);
  padding: 16px 18px 14px;
  transform: translateY(30px) scale(0.95);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.35s ease, box-shadow 0.3s ease;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.tg-floating-widget.active {
  transform: translateY(0) scale(1);
  opacity: 1;
  pointer-events: auto;
}

.tg-radar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-line-subtle);
}

.tg-widget-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.6px;
  color: var(--color-subtext);
  text-transform: uppercase;
}

.tg-pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #10b981;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: tgPulse 2s infinite;
}

@keyframes tgPulse {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 6px rgba(16, 185, 129, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

.tg-widget-close-btn {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  color: var(--color-subtext-light);
  font-size: 12px;
  transition: all var(--transition);
}

.tg-widget-close-btn:hover {
  color: var(--color-ink);
  background-color: var(--color-canvas);
}

.tg-radar-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.tg-widget-title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--color-ink);
}

.tg-widget-desc {
  font-size: 12px;
  line-height: 1.5;
  color: var(--color-subtext);
}

.tg-radar-chips {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 2px;
}

.tg-radar-chip {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 4px;
  background-color: var(--color-canvas);
  border: 1px solid var(--color-line);
  color: var(--color-subtext);
}

.tg-radar-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 6px;
}

.tg-widget-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: var(--radius-btn);
  background-color: var(--color-ink);
  color: var(--color-canvas);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: -0.1px;
  transition: opacity var(--transition), transform var(--transition);
}

.tg-widget-action-btn:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

.tg-radar-handle {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-subtext-light);
  letter-spacing: -0.2px;
}

/* ==========================================================================
   Mobile Adaptation & Responsive Excellence (iPhone / Android / Tablets)
   PC version (> 768px) is 100% preserved and untouched!
   ========================================================================== */

@media (max-width: 768px) {
  /* Prevent tap delay & unwanted tap highlight on iOS / Android */
  * {
    -webkit-tap-highlight-color: transparent;
  }

  .tg-floating-widget {
    bottom: 14px;
    right: 14px;
    left: 14px;
    width: auto;
    max-width: calc(100% - 28px);
    padding: 14px 14px 12px;
    border-radius: 12px;
  }

  /* Header mobile layout */
  .header-container {
    padding: 10px 16px;
  }

  .brand-logo {
    font-size: 13.5px;
    gap: 6px;
  }

  .brand-logo-img {
    width: 24px;
    height: 24px;
  }

  .header-actions {
    gap: 4px;
  }

  .header-link-btn {
    font-size: 11px;
    padding: 4px 7px;
    gap: 3px;
  }

  /* Hero mobile layout */
  .hero-section {
    padding: 36px 16px 20px;
    gap: 12px;
  }

  .hero-title {
    font-size: 26px;
    line-height: 1.18;
    letter-spacing: -0.6px;
  }

  .hero-description {
    font-size: 12.5px;
    line-height: 1.5;
    padding: 0 4px;
  }

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

  .main-input-box {
    padding: 9px 12px;
  }

  /* 16px font-size prevents iOS Safari zoom on focus */
  .search-input {
    font-size: 16px;
  }

  .search-kbd {
    display: none; /* Hide keyboard shortcut on touch devices */
  }

  /* Filter Toolbar mobile layout */
  .filter-toolbar {
    width: 100%;
    max-width: 100%;
    gap: 8px;
  }

  .filter-group {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
  }

  .select-box {
    flex: 1 1 calc(50% - 6px);
    min-width: 130px;
    padding: 6px 8px;
  }

  .toolbar-select {
    font-size: 13px;
    width: 100%;
  }

  .toolbar-btn {
    flex: 1 1 auto;
    justify-content: center;
    padding: 7px 10px;
    font-size: 11.5px;
  }

  /* Catalog Container */
  .catalog-container {
    padding: 0 14px 48px;
  }

  .catalog-toolbar-row {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 16px;
  }

  .results-count-text {
    font-size: 11.5px;
  }

  /* Single Column Card Grid on Mobile */
  .tools-grid {
    grid-template-columns: 1fr !important;
    gap: 10px;
  }

  .tool-card {
    padding: 14px;
    border-radius: 10px;
  }

  .card-top {
    gap: 8px;
  }

  .tool-name {
    font-size: 13.5px;
  }

  .card-desc {
    font-size: 12px;
    line-height: 1.45;
  }

  .card-star-btn {
    padding: 5px 9px;
    font-size: 11.5px;
    min-height: 32px;
  }

  .card-copy-btn, .card-arrow-btn {
    width: 32px;
    height: 32px;
  }

  /* Table Container horizontal scrolling on mobile */
  .tools-table-container {
    border-radius: 8px;
    margin: 0 -14px;
    border-left: none;
    border-right: none;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .tools-table {
    min-width: 580px;
  }

  /* Modals on Mobile */
  .modal-overlay {
    padding: 12px;
    align-items: center;
  }

  .detail-modal-box,
  .modal-box,
  .turnstile-modal-box,
  .doc-modal-box,
  .stats-modal-box {
    max-width: 100% !important;
    width: 100% !important;
    max-height: 88vh;
    border-radius: 16px;
    margin: 0 auto;
  }

  .detail-header {
    padding: 14px 16px 12px;
  }

  .detail-name {
    font-size: 16px;
  }

  .detail-body {
    padding: 14px 16px;
    gap: 12px;
  }

  .detail-footer {
    padding: 12px 16px;
  }

  .detail-open-btn {
    padding: 8px 14px;
    font-size: 12px;
  }

  /* Footer on mobile */
  .site-footer {
    padding: 24px 16px 36px;
  }

  .footer-container {
    flex-direction: column;
    align-items: center;
    gap: 12px;
    text-align: center;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
  }
}

@media (max-width: 480px) {
  .header-container {
    padding: 8px 12px;
  }

  .brand-text {
    font-size: 13px;
  }

  .header-link-btn span {
    font-size: 11px;
  }

  .hero-title {
    font-size: 23px;
  }

  .select-box {
    flex: 1 1 100%;
  }

  .turnstile-modal-box {
    padding: 18px 16px;
  }

  .turnstile-widget-card {
    padding: 12px 14px;
  }
}