/* ========================================
   Catppuccin Mocha Palette
   ======================================== */
:root {
  --ctp-rosewater: #f5e0dc;
  --ctp-flamingo: #f2cdcd;
  --ctp-pink: #f5c2e7;
  --ctp-mauve: #cba6f7;
  --ctp-red: #f38ba8;
  --ctp-maroon: #eba0ac;
  --ctp-peach: #fab387;
  --ctp-yellow: #f9e2af;
  --ctp-green: #a6e3a1;
  --ctp-teal: #94e2d5;
  --ctp-sky: #89dceb;
  --ctp-sapphire: #74c7ec;
  --ctp-blue: #89b4fa;
  --ctp-lavender: #b4befe;
  --ctp-text: #cdd6f4;
  --ctp-subtext-1: #bac2de;
  --ctp-subtext-0: #a6adc8;
  --ctp-overlay-2: #9399b2;
  --ctp-overlay-1: #7f849c;
  --ctp-overlay-0: #6c7086;
  --ctp-surface-2: #585b70;
  --ctp-surface-1: #45475a;
  --ctp-surface-0: #313244;
  --ctp-base: #1e1e2e;
  --ctp-mantle: #181825;
  --ctp-crust: #11111b;

  --font-sans: "Source Sans 3", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "Source Code Pro", "Fira Code", monospace;

  /* Radii & layout */
  --radius: 12px;
  --radius-sm: 8px;
  --radius-xs: 6px;
  --sidebar-width: 260px;
  --nav-height: 56px;

  /* Surfaces */
  --surface-elevated-soft: linear-gradient(135deg, rgba(30, 30, 46, 0.96), rgba(49, 50, 68, 0.98));
  --surface-elevated-strong: linear-gradient(145deg, rgba(30, 30, 46, 0.98), rgba(49, 50, 68, 1));
  --surface-ambient: radial-gradient(circle at top, rgba(137, 180, 250, 0.14), transparent 55%);

  /* Shadows / depth */
  --shadow-card: 0 4px 24px rgba(17, 17, 27, 0.4);
  --shadow-card-hover: 0 8px 32px rgba(137, 180, 250, 0.18);
  --shadow-card-featured: 0 0 0 1px rgba(137, 180, 250, 0.28), 0 14px 45px rgba(15, 23, 42, 0.9);
  --shadow-chrome: 0 10px 40px rgba(0, 0, 0, 0.6);

  /* Glows & outlines */
  --glow-accent: 0 0 24px rgba(137, 180, 250, 0.25);
  --focus-ring-color: rgba(137, 180, 250, 0.9);
  --focus-ring-subtle: rgba(137, 180, 250, 0.3);

  /* Motion */
  --transition-fast: 120ms ease-out;
  --transition-med: 180ms ease-out;
  --transition-slow: 260ms ease-out;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background:
    radial-gradient(circle at 0% 0%, rgba(148, 226, 213, 0.06), transparent 55%),
    radial-gradient(circle at 100% 0%, rgba(137, 180, 250, 0.08), transparent 60%),
    var(--ctp-base);
  color: var(--ctp-text);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--ctp-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--ctp-sky);
}

::selection {
  background: rgba(147, 153, 178, 0.25);
  color: inherit;
}

img {
  max-width: 100%;
  height: auto;
}

/* Iconify icon alignment - prevent baseline/vertical misalignment */
iconify-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  vertical-align: -0.2em;
}

/* Reset vertical-align in flex contexts - use 0 to prevent baseline offset */
.site-nav__links iconify-icon {
  vertical-align: 0;
}

/* ========================================
   Nav Bar
   ======================================== */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: var(--nav-height);
  min-height: var(--nav-height);
  padding: 0 1.5rem;
  background:
    linear-gradient(135deg, rgba(24, 24, 37, 0.98), rgba(30, 30, 46, 0.98));
  border-bottom: 1px solid rgba(49, 50, 68, 0.9);
  box-shadow: var(--shadow-chrome);
}

.site-nav__brand {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.site-nav__tagline {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  margin: 0;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--ctp-subtext-0);
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.site-nav__tagline-accent {
  color: var(--ctp-blue);
  font-weight: 600;
}

.site-nav__logo {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.25em;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1;
  color: var(--ctp-text);
  letter-spacing: -0.02em;
}

.site-nav__logo .logo-text {
  line-height: 1;
}

.site-nav__logo .logo-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 2em;
  font-weight: 600;
  line-height: 1;
  transform: rotate(90deg);
  transform-origin: center center;
  background: linear-gradient(
    90deg,
    var(--ctp-blue),
    var(--ctp-teal),
    var(--ctp-mauve),
    var(--ctp-blue)
  );
  background-size: 300% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: logo-gradient 8s ease-in-out infinite;
}

@keyframes logo-gradient {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.site-nav__logo .logo-tld {
  font-weight: 300;
  color: var(--ctp-overlay-0);
  letter-spacing: 0.02em;
}

.site-nav__logo:hover {
  color: var(--ctp-text);
}

.site-nav__logo:hover .logo-num {
  animation-duration: 4s;
}

.site-nav__links {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav__links li {
  display: flex;
  align-items: center;
}

.site-nav__links a {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  color: var(--ctp-subtext-1);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.15s ease;
}

.site-nav__links .nav-icon {
  font-size: 1.125rem;
  opacity: 0.9;
}

.site-nav__links .btn-contribute__icon {
  font-size: 1rem;
  color: currentColor;
}

.site-nav__links a:hover {
  color: var(--ctp-text);
}

@keyframes contribute-glow {
  0%, 100% { box-shadow: 0 0 8px rgba(137, 180, 250, 0.2); }
  50% { box-shadow: 0 0 16px rgba(137, 180, 250, 0.35); }
}

.site-nav__links .btn-contribute {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.75rem;
  background: linear-gradient(135deg, var(--ctp-blue), var(--ctp-sapphire));
  color: var(--ctp-crust);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.875rem;
  transition: filter 0.2s ease, transform 0.15s ease;
  animation: contribute-glow 3s ease-in-out infinite;
}

.site-nav__links .btn-contribute:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
  color: var(--ctp-crust);
  animation: none;
  box-shadow: 0 0 20px rgba(137, 180, 250, 0.4);
}

/* ========================================
   Page Layout
   ======================================== */
.page-layout {
  display: flex;
  min-height: calc(100vh - var(--nav-height));
}

/* ========================================
   Filter Sidebar
   ======================================== */
.filter-sidebar {
  position: sticky;
  top: var(--nav-height);
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  height: calc(100vh - var(--nav-height));
  display: flex;
  flex-direction: column;
  padding: 1.25rem 1rem;
  background: var(--surface-elevated-soft);
  border-right: 1px solid rgba(49, 50, 68, 0.9);
}

.sidebar-content {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}

.sidebar-content::-webkit-scrollbar {
  width: 4px;
}

.sidebar-content::-webkit-scrollbar-thumb {
  background: var(--ctp-surface-1);
  border-radius: 4px;
}

.sidebar-footer {
  flex-shrink: 0;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--ctp-surface-0);
  font-size: 0.6875rem;
  color: var(--ctp-overlay-0);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 0.5rem;
}

.sidebar-footer a {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--ctp-overlay-2);
}

.sidebar-footer__icon {
  font-size: 0.8125rem;
  color: currentColor;
  opacity: 0.9;
}

.sidebar-footer__credit {
  color: var(--ctp-overlay-0);
}

.sidebar-footer__credit a {
  color: var(--ctp-overlay-1);
}

.filter-section {
  margin-bottom: 0.5rem;
  border-radius: var(--radius-xs);
  padding: 0.125rem 0.125rem 0.25rem;
}

.filter-section__header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.5rem 0.375rem;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ctp-overlay-2);
  text-align: left;
  transition: color var(--transition-fast), background var(--transition-fast);
  border-radius: 4px;
}

.filter-section__header:hover {
  color: var(--ctp-text);
  background: var(--ctp-surface-0);
}

.filter-section__header:focus-visible {
  outline: 2px solid var(--focus-ring-color);
  outline-offset: 2px;
}

.filter-section__icon {
  flex-shrink: 0;
  font-size: 1rem;
  opacity: 0.8;
}

.filter-section__chevron {
  font-size: 0.875rem;
  margin-left: auto;
  transition: transform 0.2s ease;
  color: var(--ctp-overlay-1);
}

.filter-section:not(.is-collapsed) .filter-section__chevron {
  transform: rotate(90deg);
}

.filter-section__title {
  font-size: inherit;
  font-weight: inherit;
  margin: 0;
}

.filter-section__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  overflow: hidden;
  max-height: 800px;
  transition: max-height 0.25s ease, opacity 0.2s ease, margin 0.2s ease;
}

.filter-section.is-collapsed .filter-section__list {
  max-height: 0;
  opacity: 0;
  margin: 0;
  padding: 0;
  visibility: hidden;
}

.filter-section:not(.is-collapsed) .filter-section__list {
  margin-top: 0.25rem;
  margin-bottom: 1rem;
}

.filter-checkbox {
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.375rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.8125rem;
  color: var(--ctp-subtext-0);
  transition: background var(--transition-fast), color var(--transition-fast);
  user-select: none;
}

.filter-checkbox:hover {
  background: var(--ctp-surface-0);
  color: var(--ctp-text);
}

.filter-checkbox input[type="checkbox"] {
  appearance: none;
  width: 16px;
  height: 16px;
  min-width: 16px;
  border: 2px solid var(--ctp-surface-2);
  border-radius: 3px;
  background: transparent;
  cursor: pointer;
  transition: all 0.15s ease;
}

.filter-checkbox input[type="checkbox"]:checked {
  background: var(--ctp-blue);
  border-color: var(--ctp-blue);
  box-shadow: 0 0 0 2px rgba(137, 180, 250, 0.35), 0 0 8px rgba(137, 180, 250, 0.4);
}

.filter-count {
  margin-left: auto;
  font-size: 0.6875rem;
  color: var(--ctp-overlay-0);
  font-variant-numeric: tabular-nums;
}

.search-box-wrap {
  position: relative;
  margin-bottom: 1.25rem;
}

.search-box__icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1rem;
  color: var(--ctp-overlay-1);
  pointer-events: none;
}

.search-box {
  width: 100%;
  padding: 0.5rem 0.75rem 0.5rem 2.25rem;
  background: var(--ctp-surface-0);
  border: 1px solid var(--ctp-surface-1);
  border-radius: var(--radius);
  color: var(--ctp-text);
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  outline: none;
  transition: border-color 0.15s ease;
}

.search-box::placeholder {
  color: var(--ctp-overlay-0);
}

.search-box:focus {
  border-color: var(--ctp-blue);
  box-shadow: 0 0 0 3px rgba(137, 180, 250, 0.15);
}

.filter-toggle__icon {
  font-size: 1.125rem;
  opacity: 0.9;
}

.filter-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--ctp-surface-0);
  color: var(--ctp-text);
  border: 1px solid var(--ctp-surface-1);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  margin-bottom: 1rem;
}

/* ========================================
   Main Content
   ======================================== */
.main-content {
  flex: 1;
  padding: 1.5rem 2rem;
  min-width: 0;
  background:
    radial-gradient(circle at top, rgba(137, 180, 250, 0.06), transparent 60%),
    var(--ctp-base);
  background-attachment: fixed;
}

.results-shell {
  position: relative;
  margin: 0 auto;
  max-width: 72rem;
}

.results-shell__panel {
  margin-bottom: 1.25rem;
  padding: 0.9rem 1rem;
  border-radius: calc(var(--radius) + 2px);
  background: var(--surface-elevated-soft);
  border: 1px solid rgba(49, 50, 68, 0.95);
  box-shadow: 0 18px 55px rgba(3, 7, 18, 0.85);
}

.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.results-count-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.results-count {
  font-size: 0.875rem;
  color: var(--ctp-subtext-0);
}

.results-count strong {
  color: var(--ctp-text);
}

.results-helper {
  margin: 0.25rem 0 0.75rem;
  font-size: 0.8125rem;
  color: var(--ctp-overlay-1);
}

.applied-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
  min-height: 1.4rem;
}

.applied-filters__chip {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: none;
  background: rgba(137, 180, 250, 0.16);
  color: var(--ctp-text);
  border: 1px solid rgba(137, 180, 250, 0.4);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.applied-filters__chip-label {
  white-space: nowrap;
}

.applied-filters__chip-remove {
  font-size: 0.9em;
  opacity: 0.9;
}

.applied-filters__chip:hover,
.applied-filters__chip:focus-visible {
  background: rgba(148, 226, 213, 0.2);
  border-color: rgba(148, 226, 213, 0.55);
  transform: translateY(-1px);
  outline: none;
}

.applied-filters__chip--search {
  background: rgba(203, 166, 247, 0.16);
  border-color: rgba(203, 166, 247, 0.4);
}

.results-clear {
  padding: 0.25rem 0.5rem;
  background: none;
  border: none;
  color: var(--ctp-blue);
  font-size: 0.8125rem;
  font-family: var(--font-sans);
  cursor: pointer;
  border-radius: 4px;
}

.results-clear:hover {
  color: var(--ctp-sky);
}

.sort-select {
  padding: 0.375rem 0.75rem;
  background: var(--ctp-surface-0);
  border: 1px solid var(--ctp-surface-1);
  border-radius: var(--radius);
  color: var(--ctp-text);
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  cursor: pointer;
  outline: none;
}

.sort-select:focus {
  border-color: var(--ctp-blue);
  box-shadow: 0 0 0 3px rgba(137, 180, 250, 0.15);
}

/* ========================================
   Tool Cards Grid
   ======================================== */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}

/* Build-in shimmer (Facebook-style) when results update after filter/search/sort */
.tools-grid--build-in .tool-card {
  position: relative;
  overflow: hidden;
}

.tools-grid--build-in .tool-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 0%,
    transparent 42%,
    rgba(255, 255, 255, 0.02) 48%,
    rgba(137, 180, 250, 0.04) 50%,
    rgba(255, 255, 255, 0.02) 52%,
    transparent 58%,
    transparent 100%
  );
  background-size: 200% 100%;
  background-position: 150% 0;
  pointer-events: none;
  animation: filter-build-in-shimmer 1.4s ease-out forwards;
}

@keyframes filter-build-in-shimmer {
  to {
    background-position: -50% 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .tools-grid--build-in .tool-card::after {
    animation-duration: 0.01ms;
    opacity: 0;
  }
}

.tools-reveal {
  position: relative;
  margin-top: 1.5rem;
  padding: 2.5rem 1.5rem 1.75rem;
  text-align: center;
  background: linear-gradient(180deg, rgba(30, 30, 46, 0.12) 0%, rgba(49, 50, 68, 0.92) 28%, rgba(24, 24, 37, 0.96) 100%);
  border: 1px solid rgba(137, 180, 250, 0.18);
  border-radius: calc(var(--radius) + 4px);
  overflow: hidden;
}

.tools-reveal__fade {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  background: linear-gradient(180deg, rgba(30, 30, 46, 0) 0%, rgba(30, 30, 46, 0.78) 100%);
  pointer-events: none;
}

.tools-reveal__eyebrow {
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ctp-blue);
  margin-bottom: 0.5rem;
}

.tools-reveal__summary {
  position: relative;
  max-width: 28rem;
  margin: 0 auto 1rem;
  font-size: 0.95rem;
  color: var(--ctp-subtext-0);
}

.tools-reveal__button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 13rem;
  padding: 0.75rem 1.1rem;
  background: linear-gradient(135deg, rgba(137, 180, 250, 0.2), rgba(148, 226, 213, 0.14));
  color: var(--ctp-text);
  border: 1px solid rgba(137, 180, 250, 0.35);
  border-radius: 999px;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.tools-reveal__button:hover,
.tools-reveal__button:focus {
  transform: translateY(-1px);
  border-color: rgba(137, 180, 250, 0.55);
  box-shadow: var(--glow-accent);
  outline: none;
}

.tools-reveal__sentinel {
  width: 100%;
  height: 1px;
  margin-top: 1rem;
}

.tool-card {
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
  background: var(--surface-elevated-soft);
  border: 1px solid rgba(49, 50, 68, 0.95);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  transition:
    border-color var(--transition-med),
    transform var(--transition-med),
    box-shadow var(--transition-med),
    background var(--transition-med);
}

.tool-card__link-wrap {
  display: flex;
  flex-direction: column;
  flex: 1;
  margin: -1.25rem;
  padding: 1.25rem;
  border-radius: inherit;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.tool-card__link-wrap:hover .tool-card__name,
.tool-card__link-wrap:hover .tool-card__cta {
  color: var(--ctp-blue);
}

.tool-card:hover {
  border-color: rgba(137, 180, 250, 0.4);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.tool-card--featured {
  border-color: rgba(137, 180, 250, 0.55);
  box-shadow: var(--shadow-card-featured);
  background: var(--surface-elevated-strong);
}

.tool-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.tool-card__name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ctp-text);
}

.tool-card__pricing {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.125rem 0.5rem;
  border-radius: 999px;
  white-space: nowrap;
}

.pricing-free { background: rgba(166, 227, 161, 0.25); color: var(--ctp-green); border: 1px solid rgba(166, 227, 161, 0.4); }
.pricing-freemium { background: rgba(148, 226, 213, 0.25); color: var(--ctp-teal); border: 1px solid rgba(148, 226, 213, 0.4); }
.pricing-paid { background: rgba(250, 179, 135, 0.25); color: var(--ctp-peach); border: 1px solid rgba(250, 179, 135, 0.4); }
.pricing-open-source { background: rgba(203, 166, 247, 0.25); color: var(--ctp-mauve); border: 1px solid rgba(203, 166, 247, 0.4); }

.tool-card__description {
  font-size: 0.8125rem;
  color: var(--ctp-subtext-0);
  line-height: 1.5;
  margin-bottom: 0.75rem;
  flex: 1;
}

.tool-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  padding: 0.125rem 0.5rem;
  background: rgba(137, 180, 250, 0.12);
  color: var(--ctp-blue);
  border-radius: 999px;
  border: 1px solid rgba(137, 180, 250, 0.2);
}

.tool-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--ctp-surface-1);
}

.tool-card__link,
.tool-card__cta {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ctp-blue);
}

.tool-card__meta {
  display: flex;
  gap: 0.75rem;
  font-size: 0.6875rem;
  color: var(--ctp-overlay-1);
}

.meta-badge {
  font-family: var(--font-mono);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.meta-badge__icon {
  font-size: 0.75rem;
  opacity: 0.9;
}

/* ========================================
   Tool Detail Page
   ======================================== */
.tool-detail {
  max-width: 48rem;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.tool-detail__breadcrumbs {
  font-size: 0.8125rem;
  color: var(--ctp-overlay-1);
  margin-bottom: 1.5rem;
}

.tool-detail__breadcrumbs a {
  color: var(--ctp-overlay-2);
}

.tool-detail__breadcrumbs a:hover {
  color: var(--ctp-blue);
}

.tool-detail__header {
  margin-bottom: 2rem;
}

.tool-detail__title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  margin-bottom: 0.75rem;
}

.tool-detail__name {
  font-size: 2rem;
  font-weight: 800;
  color: var(--ctp-text);
  margin: 0;
}

.tool-detail__description {
  font-size: 1.125rem;
  color: var(--ctp-subtext-1);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.tool-detail__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.tool-detail__meta a.tool-card__pricing.pricing-free:hover {
  color: var(--ctp-green);
  background: rgba(166, 227, 161, 0.35);
  border-color: rgba(166, 227, 161, 0.5);
}

.tool-detail__meta a.tool-card__pricing.pricing-freemium:hover {
  color: var(--ctp-teal);
  background: rgba(148, 226, 213, 0.35);
  border-color: rgba(148, 226, 213, 0.5);
}

.tool-detail__meta a.tool-card__pricing.pricing-paid:hover {
  color: var(--ctp-peach);
  background: rgba(250, 179, 135, 0.35);
  border-color: rgba(250, 179, 135, 0.5);
}

.tool-detail__meta a.tool-card__pricing.pricing-open-source:hover {
  color: var(--ctp-mauve);
  background: rgba(203, 166, 247, 0.35);
  border-color: rgba(203, 166, 247, 0.5);
}

.tool-detail__meta a.tag:hover {
  color: var(--ctp-sky);
  background: rgba(137, 180, 250, 0.2);
  border-color: rgba(137, 180, 250, 0.35);
}

.tool-detail__visit {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.625rem 1.25rem;
  background: linear-gradient(135deg, var(--ctp-blue), var(--ctp-sapphire));
  color: var(--ctp-crust);
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.9375rem;
  transition: filter var(--transition-med), transform var(--transition-med);
}

.tool-detail__visit:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
  color: var(--ctp-crust);
}

.tool-detail__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.tool-detail__edit {
  margin: 0;
  font-size: 0.875rem;
}

.tool-detail__edit a {
  color: var(--ctp-overlay-1);
  text-decoration: none;
}

.tool-detail__edit a:hover {
  color: var(--ctp-blue);
  text-decoration: underline;
}

.tool-detail__body {
  color: var(--ctp-subtext-1);
  line-height: 1.7;
  margin-top: 2.5rem;
}

.tool-detail__body > p:first-child {
  margin-top: 0;
}

.tool-detail__body h2 {
  color: var(--ctp-text);
  font-size: 1.25rem;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.tool-detail__body p {
  margin-bottom: 1rem;
}

.tool-detail__body ul, .tool-detail__body ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

.tool-detail__features {
  margin-top: 1.5rem;
}

.tool-detail__features h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ctp-text);
  margin-bottom: 0.75rem;
}

.tool-detail__features ul {
  list-style: none;
  padding: 0;
}

.tool-detail__features li {
  padding: 0.375rem 0;
  font-size: 0.875rem;
  color: var(--ctp-subtext-0);
  border-bottom: 1px solid var(--ctp-surface-0);
}

.tool-detail__features li::before {
  content: "→ ";
  color: var(--ctp-blue);
  font-weight: 600;
}

.tool-detail__similar {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--ctp-surface-0);
}

.tool-detail__similar h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ctp-text);
  margin-bottom: 1rem;
}

.tool-detail__similar-empty {
  color: var(--ctp-overlay-1);
  font-size: 0.95rem;
}

.tool-detail__similar-empty a {
  color: var(--ctp-blue);
  font-weight: 600;
}

.tool-detail__similar-empty a:hover {
  text-decoration: underline;
}

/* ========================================
   Category Page
   ======================================== */
.category-page {
  max-width: 64rem;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.category-page__title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--ctp-text);
  margin-bottom: 0.5rem;
}

.category-page__description {
  font-size: 1rem;
  color: var(--ctp-subtext-1);
  line-height: 1.6;
  margin-bottom: 2rem;
  max-width: 40rem;
}

/* ========================================
   Empty State
   ======================================== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 4rem 2rem;
  color: var(--ctp-overlay-1);
  border-radius: calc(var(--radius) + 2px);
  background: radial-gradient(circle at top, rgba(137, 180, 250, 0.12), rgba(24, 24, 37, 0.98));
  border: 1px solid rgba(49, 50, 68, 0.95);
}

.empty-state__icon {
  font-size: 3rem;
  opacity: 0.4;
  margin-bottom: 1rem;
  color: var(--ctp-overlay-1);
}

.empty-state__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ctp-subtext-0);
  margin-bottom: 0.5rem;
}

.empty-state a {
  color: var(--ctp-blue);
  font-weight: 600;
}

.empty-state a:hover {
  text-decoration: underline;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
  .tools-grid {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  }
}

@media (max-width: 768px) {
  .site-nav__tagline {
    display: none;
  }

  .filter-toggle {
    display: inline-flex;
  }

  .filter-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 85vw;
    max-width: 320px;
    height: 100vh;
    z-index: 200;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    border-right: 1px solid var(--ctp-surface-1);
    padding-top: calc(var(--nav-height) + 1rem);
  }

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

  .filter-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 199;
  }

  .filter-overlay.is-open {
    display: block;
  }

  .main-content {
    padding: 1rem;
  }

  .results-helper {
    margin-top: -0.25rem;
  }

  .tools-grid {
    grid-template-columns: 1fr;
  }

  .tools-reveal {
    padding: 2rem 1rem 1.5rem;
  }

  .tool-detail {
    padding: 1.5rem 1rem;
  }

  .tool-detail__name {
    font-size: 1.5rem;
  }

  .site-nav {
    padding: 0 1rem;
  }
}

@media (max-width: 480px) {
  .site-nav__links .nav-text {
    display: none;
  }

  .results-header {
    flex-direction: column;
    align-items: flex-start;
  }
}