/* ToolCrux — Figma Base + Editorial */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

/* ---- Tokens (Light) ---- */
:root {
  --bg: #f3f5f8;
  --bg-card: #fbfcfe;
  --text: #1e293b;
  --text-muted: #6b7280;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-soft: #eff6ff;
  --border: #e5e7eb;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.08);
  --font-heading: Georgia, 'Times New Roman', serif;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --max-w: 1240px;
  --ease: 180ms ease;
}

/* ---- Tokens (Dark) ---- */
[data-theme="dark"] {
  --bg: #0f1117;
  --bg-card: #1e2030;
  --text: #e8eaf0;
  --text-muted: #9ca3b4;
  --accent: #60a5fa;
  --accent-hover: #93c5fd;
  --accent-soft: #1e2a4a;
  --border: #333750;
  --shadow: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.35);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1117;
    --bg-card: #1e2030;
    --text: #e8eaf0;
    --text-muted: #9ca3b4;
    --accent: #60a5fa;
    --accent-hover: #93c5fd;
    --accent-soft: #1e2a4a;
    --border: #333750;
    --shadow: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.35);
  }
}

html { font-size: 16px; scroll-behavior: smooth; color-scheme: light dark; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }
main { flex: 1; }
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; width: 100%; }

/* ==== HEADER ==== */
.site-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(10px);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between; height: 56px;
}
.logo {
  font-family: var(--font);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}
.logo-tool { font-weight: 500; color: var(--text); }
.logo-crux { font-weight: 800; color: var(--accent); }

.header-right { display: flex; align-items: center; gap: 1.25rem; }
.header-search {
  position: relative;
}
.header-search-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  height: 38px;
  min-width: 146px;
  padding: 0 0.8rem;
  border: 1px solid color-mix(in srgb, var(--accent) 28%, var(--border));
  background: color-mix(in srgb, var(--accent-soft) 45%, var(--bg-card));
  color: var(--text);
  border-radius: 999px;
  font-size: 0.79rem;
  font-weight: 650;
  cursor: pointer;
  transition: all var(--ease);
}
.header-search-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
}
.header-search-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  width: 380px;
  max-width: min(94vw, 380px);
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  box-shadow: var(--shadow-lg);
  z-index: 140;
}
.header-search-panel label {
  margin-bottom: 0.25rem;
}
.header-search-panel input {
  margin-bottom: 0.5rem;
}
.header-search-results {
  display: grid;
  gap: 0.4rem;
  height: 220px;
  overflow: auto;
}
.header-search-result {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.42rem 0.5rem;
  color: var(--text);
  background: var(--bg);
}
.header-search-result:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.header-search-result strong {
  font-size: 0.82rem;
}
.header-search-result span {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.nav { display: flex; gap: 0.5rem; }
.nav a {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  padding: 0.4rem 0.78rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: all var(--ease);
}
.nav a:hover {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 26%, var(--border));
}
.nav a.active {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

.theme-btn {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 50%;
  cursor: pointer;
  color: var(--text-muted);
  transition: all var(--ease);
}
.theme-btn:hover { color: var(--accent); border-color: var(--accent); }
.theme-btn .icon-sun { display: none; }
[data-theme="dark"] .theme-btn .icon-moon { display: none; }
[data-theme="dark"] .theme-btn .icon-sun { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-btn .icon-moon { display: none; }
  :root:not([data-theme="light"]) .theme-btn .icon-sun { display: block; }
}

/* ==== HERO (Homepage) ==== */
.hero {
  text-align: center;
  padding: 4rem 0 2.5rem;
  max-width: 700px;
  margin: 0 auto;
}
.hero h1 {
  font-family: var(--font);
  font-size: 2.75rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.page-home .hero h1 { font-family: var(--font-heading); }
.hero h1 em { font-style: italic; color: var(--accent); }
.hero p {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto;
}

.home-hero {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1.25rem;
  padding: 2rem 0 1.5rem;
  align-items: stretch;
}
.home-hero-copy {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  height: 420px;
}
.hero-eyebrow {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.home-hero-copy h1 {
  font-family: var(--font);
  font-size: 2.35rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}
.home-hero-copy p {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.75;
}
.home-search-card {
  background: linear-gradient(180deg, var(--bg-card), color-mix(in srgb, var(--bg-card) 82%, var(--accent-soft)));
  border: 1.5px solid color-mix(in srgb, var(--accent) 36%, var(--border));
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg), 0 0 24px -6px color-mix(in srgb, var(--accent) 18%, transparent);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  height: 420px;
}
.home-search-card label {
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--text);
}
.home-search-results {
  display: grid;
  gap: 0.45rem;
  margin-top: 0.25rem;
  height: 190px;
  overflow: auto;
}
.home-search-result {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  border: 1px solid var(--border);
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.55rem;
  color: var(--text);
}
.home-search-result:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.home-search-result strong {
  font-size: 0.86rem;
}
.home-search-result span {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}
.home-shortcuts {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
  margin-top: 0.25rem;
}
.home-shortcuts a {
  font-size: 0.72rem;
  font-weight: 650;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
  background: var(--bg-card);
}
.home-shortcuts a:hover {
  color: var(--accent);
  border-color: var(--accent);
}
.home-hero-copy .trust-row {
  margin-top: auto;
}

.home-section {
  margin-bottom: 1.5rem;
}
.quick-cats {
  margin: 0.1rem 0 1.2rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.quick-cats a {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0.22rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-muted);
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.quick-cats a:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-soft);
}
.home-popular-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}
.home-popular-grid .card {
  min-height: 100%;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.category-card,
.value-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.05rem;
  box-shadow: var(--shadow);
}
.category-card h3,
.value-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}
.category-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}
.category-card p,
.value-card p {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.55;
}
.category-intro {
  margin-top: 1rem;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}
.category-card-link {
  display: block;
  color: var(--text);
}
.category-card-link:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.recent-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}
.trending-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
}
.trending-item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  box-shadow: var(--shadow);
}
.trending-item:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.trending-item strong {
  font-size: 0.84rem;
  font-weight: 650;
}
.trending-item span {
  font-size: 0.67rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.trending-item em {
  font-size: 0.7rem;
  color: var(--accent);
  font-style: normal;
  font-weight: 700;
}
.recent-link {
  display: flex;
  flex-direction: column;
  gap: 0.08rem;
  padding: 0.8rem 0.9rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  color: var(--text);
}
.recent-link:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.recent-link strong {
  font-size: 0.9rem;
  font-weight: 650;
}
.recent-link span {
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}
.home-seo {
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  /* light mode */
  background: linear-gradient(135deg, #eef2ff 0%, #ede9fe 100%);
  border: 1px solid #ddd6fe;
  box-shadow: 0 2px 12px rgba(99, 102, 241, 0.08);
  color: var(--text);
}
/* dark: muted indigo gradient */
[data-theme="dark"] .home-seo {
  background: linear-gradient(135deg, #1e2746 0%, #251e40 100%);
  border-color: #363060;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  color: #e2e8f0;
}
[data-theme="dark"] .home-seo h2 { color: #f1f5f9; }
[data-theme="dark"] .home-seo-intro { color: #94a3b8; }
[data-theme="dark"] .home-seo-intro strong { color: #e2e8f0; }
[data-theme="dark"] .home-seo-badge { background: #4f46e5; color: #fff; border: none; }
[data-theme="dark"] .seo-hl { background: rgba(255, 255, 255, 0.06); border-color: rgba(255, 255, 255, 0.08); }
[data-theme="dark"] .seo-hl:hover { background: rgba(255, 255, 255, 0.10); border-color: rgba(255, 255, 255, 0.14); box-shadow: none; }
[data-theme="dark"] .seo-hl-num { color: #a5b4fc; }
[data-theme="dark"] .seo-hl-label { color: #94a3b8; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .home-seo {
    background: linear-gradient(135deg, #1e2746 0%, #251e40 100%);
    border-color: #363060;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    color: #e2e8f0;
  }
  :root:not([data-theme="light"]) .home-seo h2 { color: #f1f5f9; }
  :root:not([data-theme="light"]) .home-seo-intro { color: #94a3b8; }
  :root:not([data-theme="light"]) .home-seo-intro strong { color: #e2e8f0; }
  :root:not([data-theme="light"]) .home-seo-badge { background: #4f46e5; color: #fff; border: none; }
  :root:not([data-theme="light"]) .seo-hl { background: rgba(255, 255, 255, 0.06); border-color: rgba(255, 255, 255, 0.08); }
  :root:not([data-theme="light"]) .seo-hl:hover { background: rgba(255, 255, 255, 0.10); border-color: rgba(255, 255, 255, 0.14); box-shadow: none; }
  :root:not([data-theme="light"]) .seo-hl-num { color: #a5b4fc; }
  :root:not([data-theme="light"]) .seo-hl-label { color: #94a3b8; }
}
.home-seo-top {
  margin-bottom: 1.25rem;
}
.home-seo-badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  background: #4f46e5;
  color: #fff;
  border: none;
  margin-bottom: 0.65rem;
}
.home-seo h2 {
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.5rem;
  color: #1e293b;
}
.home-seo-intro {
  font-size: 0.9rem;
  color: #475569;
  line-height: 1.65;
  max-width: 640px;
}
.home-seo-intro strong {
  color: #1e293b;
  font-weight: 700;
}
.seo-highlights {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
}
.seo-hl {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.85rem 0.9rem;
  background: #fff;
  border: 1px solid #e0e7ff;
  border-radius: var(--radius-sm);
  transition: all var(--ease);
}
.seo-hl:hover {
  border-color: #a5b4fc;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.1);
}
.seo-hl-icon {
  font-size: 1.35rem;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 0.1rem;
}
.seo-hl-num {
  display: block;
  font-size: 1.15rem;
  font-weight: 800;
  color: #4f46e5;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.seo-hl-label {
  display: block;
  font-size: 0.78rem;
  color: #64748b;
  line-height: 1.45;
  margin-top: 0.1rem;
}

/* ==== CATEGORY HUB ==== */
.category-main {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.category-section {
  margin-top: 0;
}
.category-section h2 {
  font-size: 1.22rem;
  line-height: 1.3;
  margin-bottom: 0.7rem;
}
.dev-tools-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.dev-tool-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.95rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.dev-tool-card h3 {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.3;
}
.dev-tool-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.55;
  flex: 1;
}
.dev-tool-tag {
  display: inline-flex;
  align-self: flex-start;
  font-size: 0.66rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.45rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-muted);
}
.dev-tool-card .btn {
  margin-top: 0.25rem;
  width: 100%;
}
.dev-tool-card-soon {
  background: color-mix(in srgb, var(--bg) 86%, var(--accent-soft));
}

.usecase-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.usecase-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1rem;
}
.usecase-card h3 {
  font-size: 0.95rem;
  margin-bottom: 0.35rem;
}
.usecase-card ul {
  margin-left: 1rem;
}
.usecase-card li {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.6;
}

.related-cats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.faq-list {
  display: grid;
  gap: 0.55rem;
}
.faq-list details {
  border: 1px solid var(--border);
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.75rem;
}
.faq-list summary {
  cursor: pointer;
  font-size: 0.87rem;
  font-weight: 650;
}
.faq-list details p {
  margin-top: 0.35rem;
  color: var(--text-muted);
  font-size: 0.84rem;
  line-height: 1.6;
}

.deferred-section {
  content-visibility: auto;
  contain-intrinsic-size: 860px;
}

/* ==== FEATURED TOOL (Homepage) ==== */
.featured {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 2.25rem;
  margin-bottom: 2.5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  box-shadow: var(--shadow);
  transition: box-shadow var(--ease), border-color var(--ease);
}
.featured:hover { box-shadow: var(--shadow-lg); border-color: var(--accent); }
.featured-body { flex: 1; }
.featured-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.featured-body h3 {
  font-family: var(--font);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.375rem;
  color: var(--text);
}
.featured-body p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}
.featured-cta {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex; align-items: center; gap: 0.375rem;
}
.featured-cta:hover { gap: 0.625rem; }
.featured-icon {
  width: 80px; height: 80px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-soft);
  border-radius: var(--radius);
  font-size: 2.25rem;
  flex-shrink: 0;
}

/* ==== SECTION LABEL ==== */
.section-label {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

/* ==== TOOL CARD GRID (Homepage) ==== */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding-bottom: 3rem;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex; flex-direction: column; gap: 0.5rem;
  transition: box-shadow var(--ease), transform var(--ease), border-color var(--ease);
}
.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: var(--accent);
}
.card-icon { font-size: 1.75rem; }
.card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}
.card p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ==== TOOL PAGE LAYOUT (sidebar + main) ==== */
.tool-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 2.25rem;
  padding: 2rem 0 3rem;
  align-items: start;
}

/* ---- Sidebar ---- */
.sidebar {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1rem;
  position: sticky; top: 72px;
  box-shadow: var(--shadow);
}
.sidebar-top {
  padding: 0.45rem 0.45rem 0.65rem;
  margin-bottom: 0.55rem;
  border: 1px solid color-mix(in srgb, var(--border) 85%, transparent);
  border-radius: calc(var(--radius-sm) + 2px);
  background: color-mix(in srgb, var(--bg-card) 88%, var(--accent-soft));
}
.sidebar-heading {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
  padding-left: 0.35rem;
}
.sidebar-heading-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: 9px;
  border: 1px solid color-mix(in srgb, var(--accent) 22%, var(--border));
  padding: 0.42rem 0.58rem;
  color: var(--text);
  font-size: 0.79rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  background: var(--bg-card);
}
.sidebar-heading-link::after {
  content: "\2192";
  font-size: 0.86rem;
  color: var(--accent);
  transform: translateX(0);
  transition: transform var(--ease);
}
.sidebar-heading-link:hover {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
  background: var(--accent-soft);
}
.sidebar-heading-link:hover::after {
  transform: translateX(2px);
}
.sidebar-group { margin-bottom: 0.9rem; }
.sidebar-group:last-child { margin-bottom: 0; }
.sidebar-cat {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  padding: 0.25rem 0.5rem;
  margin-bottom: 0.34rem;
  opacity: 1;
  border-bottom: 1px solid color-mix(in srgb, var(--text-muted) 24%, var(--border));
}
.sidebar-cat-link {
  display: block;
  color: var(--text-muted);
  border-radius: 0;
  background: transparent;
  transition: all var(--ease);
}
.sidebar-cat-link:hover {
  color: var(--text);
  background: transparent;
}
.sidebar-cat-link.active-parent {
  color: var(--accent);
  background: transparent;
  font-weight: 800;
}
.sidebar-item {
  display: block;
  font-size: 0.8125rem;
  font-weight: 550;
  color: var(--text);
  padding: 0.36rem 0.56rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: all var(--ease);
}
.sidebar-item:hover {
  color: var(--text);
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 24%, var(--border));
}
.sidebar-item.active {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent-soft) 75%, var(--bg-card));
  border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
  font-weight: 700;
}
.sidebar-item-tool {
  padding-left: 0.72rem;
  border-left: 2px solid transparent;
}

.sidebar-toggle {
  display: none;
  width: 100%;
  padding: 0.625rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  text-align: center;
  margin-bottom: 1rem;
}
.sidebar-toggle:hover { color: var(--accent); border-color: var(--accent); }

/* ---- Tool Main ---- */
.tool-main { min-width: 0; }
.breadcrumb {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { margin: 0 0.375rem; opacity: 0.4; }
.tool-breadcrumb {
  margin-bottom: 0.8rem;
}

.tool-head { margin-bottom: 1.5rem; }
.tool-head h1 {
  font-family: var(--font);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}
.tool-category-meta {
  font-size: 0.83rem;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
}
.tool-category-meta a {
  color: var(--accent);
  font-weight: 600;
}
.tool-category-meta a:hover {
  color: var(--accent-hover);
}
.tool-head p { font-size: 0.9375rem; color: var(--text-muted); }
.trust-row {
  margin-top: 0.75rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.trust-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.tool-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* ==== FORM ELEMENTS ==== */
textarea,
input[type="text"],
input[type="url"],
input[type="number"],
input[type="password"],
input[type="date"],
input[type="datetime-local"],
select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font);
  font-size: 0.9375rem;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--ease), box-shadow var(--ease);
}
textarea:focus, input:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
textarea {
  resize: vertical;
  min-height: 180px;
  font-family: var(--font);
  font-size: 0.9375rem;
  line-height: 1.6;
}

label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.375rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ==== BUTTONS ==== */
.btn {
  display: inline-flex; align-items: center; gap: 0.375rem;
  padding: 0.5625rem 1.25rem;
  font-family: var(--font);
  font-size: 0.8125rem;
  font-weight: 600;
  border: none; border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--ease);
  min-height: 42px;
  justify-content: center;
}
.btn:hover,
.btn:focus-visible,
.btn:visited {
  text-decoration: none;
}
.btn:active { transform: scale(0.97); }
.btn-primary,
.btn-primary:visited { background: var(--accent); color: #fff; }
.btn-primary:hover,
.btn-primary:focus-visible { background: var(--accent-hover); color: #fff; }
.btn-secondary,
.btn-secondary:visited { background: var(--bg-card); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover,
.btn-secondary:focus-visible { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.btn-utility {
  background: var(--bg-card);
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 32%, var(--border));
}
.btn-utility:hover {
  background: var(--accent-soft);
  color: var(--accent-hover);
  border-color: var(--accent);
}
.btn-clear {
  background: var(--bg-card);
  color: #b91c1c;
  border: 1px solid #fca5a5;
}
.btn-clear:visited { color: #b91c1c; }
.btn-clear:hover {
  background: #fef2f2;
  color: #991b1b;
  border-color: #ef4444;
}
[data-theme="dark"] .btn-clear {
  background: #3a1f2a;
  color: #fda4af;
  border-color: #5c293a;
}
[data-theme="dark"] .btn-clear:hover {
  background: #ef4444;
  color: #fff;
  border-color: #ef4444;
}
.btn[disabled],
.btn.is-disabled {
  opacity: 0.55;
  cursor: not-allowed;
}
.btn.is-disabled {
  pointer-events: none;
}
.btn-block {
  width: 100%;
  justify-content: center;
}
.btn-row { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: flex-start; align-items: center; }
.btn-row .btn {
  min-width: 148px;
}
.tool-actions {
  padding-top: 0.5rem;
  border-top: 1px dashed var(--border);
}

.panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  align-items: start;
}
.panels > div { min-width: 0; display: flex; flex-direction: column; gap: 0.75rem; }
@media (max-width: 768px) {
  .panels { grid-template-columns: 1fr; }
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  align-items: end;
}
.field-row.compact {
  align-items: center;
}
.field-with-action {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem;
  align-items: center;
}
@media (max-width: 700px) {
  .field-row { grid-template-columns: 1fr; }
  .field-with-action { grid-template-columns: 1fr; }
}

/* ==== STATS ==== */
.stats {
  display: flex; flex-wrap: wrap; gap: 1.75rem;
  padding-top: 1.25rem; margin-top: 1.25rem;
  border-top: 1px solid var(--border);
}
.stat-item { display: flex; flex-direction: column; gap: 0.125rem; }
.stat-val {
  font-size: 1.5rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.stat-lbl {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ==== RESULT BOX ==== */
.result-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.875rem;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-all;
  min-height: 56px;
  position: relative;
}
.result-box.centered {
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  text-align: center;
  padding: 1.25rem;
}
.result-box.tall {
  min-height: 140px;
  max-height: 420px;
  overflow: auto;
}
.output-wrap {
  position: relative;
}
.copy-btn {
  position: absolute; top: 0.5rem; right: 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem; font-weight: 600;
  cursor: pointer; color: var(--text-muted);
  transition: all var(--ease);
}
.copy-btn:hover { color: var(--accent); border-color: var(--accent); }

/* ==== RANGE / CHECKBOX ==== */
input[type="range"] {
  -webkit-appearance: none; width: 100%; height: 6px;
  background: var(--border); border-radius: 3px; outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 20px; height: 20px;
  background: var(--accent); border-radius: 50%; cursor: pointer;
  box-shadow: 0 1px 4px rgba(0,0,0,0.15);
}
.check-row { display: flex; flex-wrap: wrap; gap: 1rem; margin: 0.75rem 0; }
.check-row label {
  display: flex; align-items: center; gap: 0.375rem;
  font-size: 0.875rem; font-weight: 500;
  text-transform: none; letter-spacing: 0;
  color: var(--text); cursor: pointer;
}
.check-row input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--accent); }

.nb-custom-input { margin-top: 0.5rem; }

/* ==== AD SLOT ==== */
.ad-slot {
  margin: 1rem 0 1.25rem;
  min-height: 0;
}
.ad-slot:empty {
  display: none;
}
.ad-slot--ready {
  min-height: 130px;
  padding: 0.5rem 0;
}
.ad-slot--collapsed,
.ad-slot--disabled {
  display: none;
}
.ad-slot-label {
  display: block;
  margin-bottom: 0.375rem;
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  opacity: 0.8;
}
.ad-slot ins.adsbygoogle {
  background: transparent;
  border-radius: var(--radius-sm);
}

/* ==== HOW-TO ==== */
.how-to {
  margin-top: 2rem; padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.how-to h2 {
  font-family: var(--font);
  font-size: 1.25rem; font-weight: 600; margin-bottom: 0.5rem;
}
.how-to p {
  font-size: 0.9375rem; color: var(--text-muted); line-height: 1.75;
}
.how-to code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.8125rem;
  background: var(--accent-soft);
  padding: 0.125rem 0.375rem;
  border-radius: 4px;
  color: var(--accent);
}

/* ==== TOOL UTILITIES ==== */
.codebox {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.875rem;
  line-height: 1.65;
}

.codebox-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  white-space: pre;
  overflow: auto;
}
.json-output-box {
  min-height: 300px;
  max-height: 560px;
  overflow: auto;
  word-break: normal;
}
.json-input-area {
  min-height: 220px;
  max-height: 560px;
}
.tool-note {
  margin-top: 0.35rem;
  margin-bottom: 0;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.uc-table {
  width: 100%;
  border-collapse: collapse;
  white-space: normal;
  font-family: var(--font);
  font-size: 0.84rem;
}
.uc-table th,
.uc-table td {
  padding: 0.48rem 0.5rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
}
.uc-table th {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 700;
}
#uc-converted {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
}

.msg {
  padding: 0.625rem 0.875rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.875rem;
}
.msg[hidden] {
  display: none;
}
.msg.error { border-color: #ef4444; color: #ef4444; }
.msg.ok { border-color: #10b981; color: #10b981; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
}
.stat-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.875rem 1rem;
  min-height: 90px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.stat-card .n {
  display: block;
  font-size: 1.15rem;
  font-weight: 750;
  font-variant-numeric: tabular-nums;
  line-height: 1.25;
  word-break: break-word;
}
.stat-card .l {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.6875rem;
  font-weight: 650;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.strength {
  margin-top: 1rem;
}
.strength-top {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 1rem;
  margin-bottom: 0.5rem;
}
.strength-top .label { font-size: 0.8125rem; font-weight: 650; color: var(--text-muted); }
.strength-top .value { font-size: 0.875rem; font-weight: 700; }
.strength-bar {
  height: 10px;
  border-radius: 999px;
  background: var(--border);
  overflow: hidden;
}
.strength-fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  transition: width var(--ease);
}
.strength[data-level="weak"] .strength-fill { width: 25%; background: #ef4444; }
.strength[data-level="fair"] .strength-fill { width: 50%; background: #f59e0b; }
.strength[data-level="strong"] .strength-fill { width: 75%; background: #10b981; }
.strength[data-level="very-strong"] .strength-fill { width: 100%; background: #22c55e; }

.json-token-key { color: var(--accent); }
.json-token-string { color: #22c55e; }
[data-theme="dark"] .json-token-string { color: #4ade80; }
.json-token-number { color: #f59e0b; }
.json-token-boolean, .json-token-null { color: #a855f7; }
.json-token-punc { color: var(--text-muted); }
[data-theme="dark"] .json-token-number { color: #fbbf24; }

.mt-sm { margin-top: 0.5rem; }
.mt-md { margin-top: 1rem; }
.mt-lg { margin-top: 1.25rem; }

.qr-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 1rem;
  align-items: start;
}
.qr-controls {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.qr-preview-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.qr-stage {
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
}
#qr-wrap {
  width: 220px;
  min-height: 220px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}
.favicon-tabs { display: flex; gap: 0.5rem; margin-bottom: 1rem; flex-wrap: wrap; }
.favicon-panel { margin-bottom: 1rem; }
.favicon-preview-wrap { margin: 1rem 0; }
.favicon-preview-wrap label { display: block; margin-bottom: 0.35rem; font-weight: 600; font-size: 0.875rem; }
.cc-meta { font-size: 0.875rem; color: var(--text-muted); }
.cc-meta div { margin-top: 0.25rem; }

#qr-wrap:empty::before {
  content: "QR preview";
  width: 100%;
  height: 100%;
  border: 1px dashed var(--border);
  border-radius: 6px;
  color: var(--text-muted);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  justify-content: center;
}
.qr-actions {
  width: 100%;
}
.qr-actions .btn {
  width: 100%;
}

.media-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.surface-panel {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
}
.preview-frame {
  min-height: 132px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.preview-frame img {
  max-width: 100%;
  height: auto;
}

.native-color-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  pointer-events: auto;
  border: 0;
  background: transparent;
}
.color-picker-wrap {
  position: relative;
}
.color-picker-trigger {
  width: 100%;
  justify-content: center;
}
.color-preview {
  height: 124px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: #2563eb;
}
.preset-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.swatch-btn {
  width: 28px;
  height: 28px;
  border: 1px solid var(--border);
  border-radius: 50%;
  cursor: pointer;
}
.swatch-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.related-tools {
  margin-top: 1.25rem;
}
.related-tools h2 {
  font-family: var(--font);
  font-size: 1.1rem;
  font-weight: 650;
  margin-bottom: 0.75rem;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}
.related-link {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  padding: 0.75rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  transition: all var(--ease);
}
.related-link:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.related-cat {
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.related-link strong {
  font-size: 0.84rem;
  font-weight: 650;
}

/* ==== LEGAL ==== */
.legal-wrap {
  max-width: 880px;
  padding-top: 2rem;
  padding-bottom: 3rem;
}
.legal-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
}
.legal-card h1 {
  font-family: var(--font);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 0.5rem;
}
.legal-card h2 {
  margin-top: 1.25rem;
  margin-bottom: 0.25rem;
  font-size: 1.05rem;
  font-weight: 700;
}
.legal-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ==== CONSENT BANNER ==== */
.consent-banner {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
  z-index: 120;
  pointer-events: none;
}
.consent-inner {
  max-width: 860px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 0.875rem 1rem;
  display: flex;
  gap: 0.75rem;
  justify-content: space-between;
  align-items: center;
  pointer-events: auto;
}
.consent-inner p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.55;
}
.consent-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

/* ==== TOAST ==== */
.tc-toast {
  position: fixed;
  left: 50%;
  bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
  transform: translate(-50%, 24px);
  background: #111827;
  color: #fff;
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.01em;
  z-index: 150;
  opacity: 0;
  pointer-events: none;
  transition: transform 160ms ease, opacity 160ms ease;
}
.tc-toast.show {
  transform: translate(-50%, 0);
  opacity: 1;
}
.tc-toast.error {
  background: #7f1d1d;
}

@media (max-width: 900px) {
  .home-hero {
    grid-template-columns: 1fr;
  }
  .home-hero-copy,
  .home-search-card {
    height: auto;
  }
  .home-popular-grid,
  .category-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .dev-tools-grid,
  .related-cats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .trending-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .value-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .seo-highlights {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .usecase-grid {
    grid-template-columns: 1fr;
  }
  .qr-workspace,
  .media-split {
    grid-template-columns: 1fr;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
}

/* ==== FOOTER ==== */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  margin-top: auto;
  background: var(--bg-card);
}
.site-footer .container {
  display: flex; flex-wrap: wrap;
  justify-content: space-between; align-items: center; gap: 1rem;
}
.footer-copy { font-size: 0.8125rem; color: var(--text-muted); }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { font-size: 0.8125rem; color: var(--text-muted); }
.footer-links a:hover { color: var(--accent); }

/* ==== RESPONSIVE ==== */
@media (max-width: 900px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 700px) {
  .hero { padding: 3rem 0 2rem; }
  .hero h1 { font-size: 2rem; }
  .home-hero {
    padding-top: 1.25rem;
  }
  .home-hero-copy h1 {
    font-size: 1.85rem;
  }
  .home-popular-grid,
  .category-grid,
  .dev-tools-grid,
  .trending-grid,
  .recent-grid,
  .value-grid,
  .related-cats-grid,
  .seo-highlights {
    grid-template-columns: 1fr;
  }
  .grid { grid-template-columns: 1fr; }
  .featured { flex-direction: column; padding: 1.5rem; gap: 1rem; }
  .featured-icon { width: 56px; height: 56px; font-size: 1.5rem; }
  .tool-layout { grid-template-columns: 1fr; gap: 0; }
  .sidebar { position: static; display: none; margin-bottom: 1rem; }
  .sidebar.open { display: block; }
  .sidebar-toggle { display: block; }
  .tool-box { padding: 1.125rem; }
  .stats { gap: 1rem; }
  .stat-val { font-size: 1.25rem; }
  .nav a { padding: 0.375rem 0.5rem; font-size: 0.8125rem; }
  .header-right { gap: 0.75rem; }
  .header-search-toggle span {
    display: none;
  }
  .header-search-toggle {
    width: 36px;
    min-width: 36px;
    padding: 0;
    justify-content: center;
  }
  .consent-inner {
    flex-direction: column;
    align-items: stretch;
  }
  .consent-actions .btn {
    width: 100%;
  }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 1.625rem; }
  .tool-head h1 { font-size: 1.5rem; }
  .container { padding: 0 1rem; }
  .logo { font-size: 1.125rem; }
}