:root {
  --color-text: #1f2937;
  --color-bg: #f9fafb;
  --color-card: #ffffff;
  --color-border: #e5e7eb;
  --color-accent: #2563eb;
  --color-primary: #0a84ff;
  --color-primary-alt: #007aff;
  --color-primary-press: #0051a8;
  --shadow-cta: 0 6px 18px rgba(10,132,255,.35);
  --color-success: #16a34a;
  --color-danger: #dc2626;
  --color-muted: #6b7280;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
}
.container { max-width: 960px; margin: 0 auto; padding: 0 var(--space-4); }
.skip-link {
  position: absolute;
  left: -9999px;
  top: -9999px;
}
.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  padding: var(--space-2) var(--space-3);
}
.site-header {
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; }
.logo {
  display: inline-block;
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--color-text);
  text-decoration: none;
  padding: var(--space-4) 0;
}
.logo-img { height: 40px; width: auto; display: block; }
.hero { padding: var(--space-5) 0 var(--space-4); }
.hero h1 { font-weight: 800; margin: 0 0 var(--space-2); font-size: clamp(1.8rem, 4.5vw, 2.8rem); }
.hero-benefits { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 6px; }
.hero-badge { display: inline-block; font-size: .95rem; color: #1e40af; background: #eef2ff; border: 1px solid var(--color-border); border-radius: 9999px; padding: 4px 8px; }
.search { margin-top: var(--space-4); position: sticky; top: var(--sticky-offset); z-index: 10; background: var(--color-bg); padding-bottom: var(--space-3); }
#q { font-size: 1.2rem; padding: 18px 20px; border-width: 2px; border-radius: 12px; box-shadow: 0 2px 8px rgba(0,0,0,.06); }
#q:focus { outline: none; border-color: var(--color-accent); box-shadow: 0 6px 16px rgba(0,0,0,.10), 0 0 0 3px rgba(37,99,235,.15); }
#q::placeholder { color: #4b5563; opacity: 1; }
.search-hint { margin-top: 6px; font-size: .85rem; color: #6b7280; }
#q + .search-hint { font-size: .95rem; }
#q-chips { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.chip { display: inline-block; padding: 8px 12px; border: 1px solid var(--color-border); border-radius: 9999px; background: #fff; color: var(--color-text); cursor: pointer; font-size: 1rem; }
.trust-note { margin-top: 10px; font-size: .9rem; color: #374151; }
#q-suggestions { margin-top: var(--space-2); border: 1px solid var(--color-border); border-radius: 8px; background: var(--color-card); display: none; max-height: 240px; overflow: auto; }
#q-suggestions .suggestion { padding: 12px 12px; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
#q-suggestions .suggestion[aria-selected="true"] { background: #f3f4f6; }
#q-suggestions .suggestion img { width: 20px; height: 20px; border-radius: 4px; }
label { display: block; margin-bottom: var(--space-2); }
input[type="search"], input[type="number"], input[type="text"] {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-card);
  color: var(--color-text);
}
select {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-card);
  color: var(--color-text);
}
button, .btn {
  display: inline-block;
  padding: 10px 14px;
  border: 1px solid #d1d5db;
  border-radius: 12px;
  background: #fff;
  color: var(--color-text);
  text-decoration: none;
  cursor: pointer;
  transition: background-color 140ms ease, box-shadow 140ms ease, transform 80ms ease;
}
.btn-primary {
  background: linear-gradient(180deg, var(--color-primary), var(--color-primary-alt));
  border-color: transparent;
  color: #fff;
  box-shadow: var(--shadow-cta);
}
.btn:hover { background: #f3f4f6; box-shadow: 0 2px 10px rgba(0,0,0,.08); }
.btn:active { transform: translateY(1px); }
.btn-primary:hover {
  filter: brightness(1.05);
  box-shadow: 0 8px 22px rgba(10,132,255,.45);
}
.btn-primary:active {
  filter: brightness(0.96);
  background: linear-gradient(180deg, var(--color-primary-press), var(--color-primary-alt));
  box-shadow: 0 4px 14px rgba(10,132,255,.35);
}
.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: var(--space-5);
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill,minmax(240px,1fr));
  gap: var(--space-4);
}
.grid-note { color: #4b5563; margin: var(--space-3) 0; }
#popular { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.tools-header { display: flex; align-items: center; justify-content: space-between; margin: var(--space-3) 0 var(--space-2); }
.tools-controls { display: inline-flex; gap: var(--space-3); align-items: center; }
.sort-label { font-size: .9rem; color: #6b7280; }
.sort-select { padding: 6px 8px; font-size: .95rem; }
.tools-header-left { display: inline-flex; gap: var(--space-3); align-items: center; }
.tools-stats { color: #6b7280; }
.tools-filter-summary { color: #6b7280; }
.segmented { display: inline-flex; border: 1px solid var(--color-border); border-radius: 12px; overflow: hidden; }
.tab { padding: 8px 12px; background: #fff; border: 0; cursor: pointer; font-size: .95rem; }
.tab.active { background: var(--color-primary); color: #fff; border-radius: 9999px; }
.tools { display: grid; grid-template-columns: 240px 1fr; gap: var(--space-4); }
.tools-sidebar { position: sticky; top: 96px; align-self: start; border: 1px solid var(--color-border); border-radius: 12px; padding: var(--space-4); background: var(--color-card); }
.filter-group { margin-bottom: var(--space-4); }
.filter-group h3 { margin: 0 0 var(--space-2); font-size: 1rem; }
.cat-list { display: grid; gap: 6px; }
.cat-item { display: flex; align-items: center; justify-content: space-between; }
.cat-item input { margin-right: 8px; }
.inline-filters { display: none; margin-bottom: var(--space-3); }
.inline-filters .btn, .inline-filters select, .inline-filters label { margin-right: var(--space-3); }
.tools-main { min-height: 300px; }
.accordion { display: grid; gap: var(--space-3); }
.accordion details { border: 1px solid var(--color-border); border-radius: 12px; padding: 8px 12px; background: var(--color-card); }
.accordion summary { cursor: pointer; font-weight: 600; }
.accordion details[open] summary { background: #eef2ff; border-radius: 8px; padding: 4px 6px; }
.accordion details + details { border-top-color: #e5e7eb; }
.help-faq { background: #f8fafc; border: 1px solid var(--color-border); border-radius: 12px; padding: var(--space-5); box-shadow: 0 2px 8px rgba(0,0,0,.06); margin-top: var(--space-5); }
.help-faq h2 { margin: 0 0 var(--space-2); font-size: 1.3rem; }
.help-intro { margin: 0 0 var(--space-4); color: var(--color-muted); font-size: .95rem; }
.help-faq details { border: 1px solid var(--color-border); border-radius: 12px; padding: 8px 12px; background: var(--color-card); margin-bottom: var(--space-3); }
.help-faq summary { cursor: pointer; font-weight: 600; display: flex; align-items: center; gap: 8px; position: relative; padding-right: 24px; }
.help-faq summary::after { content: "▸"; position: absolute; right: 6px; color: #6b7280; transition: transform 160ms ease; }
.help-faq details[open] summary::after { transform: rotate(90deg); }
.step-list { list-style: none; padding: 0; margin: var(--space-3) 0; display: grid; gap: 6px; }
.step-list li { display: flex; align-items: center; gap: 8px; }
.step-list li::before { content: "•"; color: var(--color-accent); font-weight: 700; }
.example-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: var(--space-3); margin-top: var(--space-3); }
.example-card { background: #fff; border: 1px solid var(--color-border); border-radius: 12px; padding: var(--space-4); }
.example-card h3 { margin: 0 0 var(--space-2); font-size: 1rem; color: #374151; }
.example-title { font-weight: 600; margin-bottom: var(--space-2); }
.example-steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.example-steps li { display: flex; align-items: center; gap: 8px; }
.example-steps li::before { content: "→"; color: #6b7280; }
.mini-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: var(--space-3); margin-top: var(--space-3); }
.tool-card {
  display: flex;
  flex-direction: column;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-card);
  color: var(--color-text);
  text-decoration: none;
  min-height: 120px;
  box-shadow: 0 1px 2px rgba(0,0,0,.03);
  position: relative;
}
.tool-card .open-hint { position: absolute; bottom: 10px; right: 12px; font-size: .9rem; color: #6b7280; opacity: 0; transition: opacity .15s ease; }
.tool-card:hover .open-hint { opacity: 1; }
.tool-icon { width: 48px; height: 48px; margin-bottom: 10px; }
.tool-card h3 {
  margin: 0 0 var(--space-2);
  font-weight: 600;
  font-size: 1.05rem;
}
.tool-card p {
  margin: 0;
  font-size: .9rem;
  color: #374151;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-description {
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.tool-card:hover .card-description { -webkit-line-clamp: 3; }
.tool-card .btn { font-size: .85rem; padding: 6px 10px; }
.pin-btn { border: 1px solid var(--color-border); background: #fff; border-radius: 9999px; padding: 4px 8px; font-size: .9rem; position: absolute; top: 8px; right: 8px; color: #6b7280; }
.meta { margin-top: 6px; font-size: .85rem; color: #6b7280; }
mark { background: #fde68a; color: inherit; }
.site-footer {
  margin-top: var(--space-6);
  padding: var(--space-5) 0;
  font-size: .9rem;
  color: #6b7280;
  background: var(--color-card);
  border-top: 1px solid var(--color-border);
}
.footer-trust { margin-top: 6px; font-size: .95rem; color: #374151; }
.footer-info { margin-top: var(--space-5); }
.footer-columns { display: grid; grid-template-columns: repeat(auto-fill,minmax(220px,1fr)); gap: var(--space-4); }
.section-title { font-weight: 800; font-size: 1.8rem; letter-spacing: -0.01em; }
.container section h3 { font-weight: 600; margin-top: var(--space-4); }
:root {
  --color-info: #2563eb;
  --color-warning: #b45309;
}
.breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: .95rem;
  margin: var(--space-2) 0;
  color: #4b5563;
}
.breadcrumb a {
  color: var(--color-text);
  text-decoration: none;
}
.crumb-sep { color: #9ca3af; }
.related-tools { margin-top: var(--space-5); }
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill,minmax(220px,1fr));
  gap: var(--space-4);
  margin-top: var(--space-3);
}
.disclaimer {
  background: #fffbeb;
  border: 1px solid #f59e0b;
  color: #92400e;
  border-radius: 12px;
  padding: var(--space-4);
  margin: var(--space-4) 0;
}
:root {
  --sticky-offset: 16px;
}
.tool-header-strip { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); margin: var(--space-2) 0 var(--space-2) 0; }
.tool-header-actions { display: inline-flex; gap: var(--space-3); align-items: center; }
.local-badge { font-size: .9rem; color: #374151; background: #f3f4f6; border: 1px solid var(--color-border); border-radius: 9999px; padding: 4px 8px; }
.tool-panels { display: grid; gap: var(--space-4); }
.inputs-card, .results-card { border: 1px solid var(--color-border); border-radius: 12px; background: var(--color-card); padding: var(--space-5); }
.inputs-card h2, .results-card h2 { margin-top: 0; }
.tab-bar { display: inline-flex; gap: var(--space-3); border-bottom: 1px solid var(--color-border); margin-top: var(--space-4); }
.tab-item { padding: 8px 12px; cursor: pointer; border: 1px solid var(--color-border); border-bottom: none; border-radius: 8px 8px 0 0; background: #fff; }
.tab-item.active { background: #f3f4f6; }
.tab-content { border: 1px solid var(--color-border); border-radius: 0 12px 12px 12px; padding: var(--space-4); background: var(--color-card); }
.history { max-height: 200px; overflow-y: auto; border: 1px dashed var(--color-border); border-radius: 8px; padding: 8px; margin-top: 8px; }
.result-empty { color: #6b7280; }
@media (min-width: 1024px) {
  .tool-panels { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); }
}
@media (max-width: 1023px) {
  .tool-panels { grid-template-columns: 1fr; }
}
.tools-main .card-grid { grid-template-columns: repeat(3, 1fr); }
@media (min-width: 1200px) {
  .tools-main .card-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 1023px) and (min-width: 768px) {
  .tools-main .card-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767px) {
  .tools-main .card-grid { grid-template-columns: 1fr; }
}
.site-nav {
  display: inline-flex;
  gap: var(--space-3);
  margin-left: var(--space-5);
}
.nav-link {
  color: var(--color-text);
  text-decoration: none;
  font-size: .95rem;
  padding: var(--space-3) var(--space-2);
}
.category-nav {
  display: flex;
  gap: var(--space-3);
  margin: var(--space-4) 0;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
}
.category-nav::after {
  content: "";
  pointer-events: none;
  position: sticky;
  right: 0;
  width: 40px;
  height: 100%;
  background: linear-gradient(90deg, rgba(249,250,251,0), rgba(249,250,251,1));
}
.tag-nav {
  display: flex;
  gap: var(--space-3);
  margin: var(--space-3) 0 var(--space-5);
  overflow-x: auto;
}
.tag-link {
  color: var(--color-text);
  text-decoration: none;
  border: 1px solid var(--color-border);
  border-radius: 9999px;
  padding: 6px 10px;
  font-size: .9rem;
}
.cat-link {
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid var(--color-accent);
  border-radius: 0;
  padding: 8px 4px;
  font-size: 1rem;
  scroll-snap-align: start;
}
.focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}
.grid {
  display: grid;
  gap: var(--space-4);
}
.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.result {
  margin-top: var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-card);
}
.copy {
  margin-top: var(--space-3);
}
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { border: 1px solid #e5e7eb; padding: 8px; text-align: left; }
.data-table th { background: #f3f4f6; }
.data-table thead { position: sticky; top: 0; z-index: 1; }
.type-badge { display: inline-block; margin-left: 8px; font-size: .8rem; color: var(--color-muted); }
.privacy-strip { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.privacy-badge { display: inline-block; font-size: .9rem; color: #1e40af; background: #eef2ff; border: 1px solid var(--color-border); border-radius: 9999px; padding: 4px 8px; }
.list-intro { display: grid; gap: var(--space-4); margin: var(--space-4) 0 var(--space-3); }
.list-intro .list-groups h2 { margin: 0 0 var(--space-2); }
.tool-card .badges { position: static; display: inline-flex; gap: 6px; margin: 6px 0; }
.badge { display: inline-block; font-size: .8rem; border-radius: 9999px; padding: 3px 8px; border: 1px solid var(--color-border); background: #f8fafc; color: #111827; }
.badge-popular { background: #fff7ed; color: #9a3412; border-color: #fed7aa; }
.badge-pinned { background: #fee2e2; color: #7f1d1d; border-color: #fecaca; }
.badge-new { background: #dcfce7; color: #14532d; border-color: #bbf7d0; }
.toast-host {
  position: fixed;
  top: var(--sticky-offset);
  right: var(--sticky-offset);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.toast {
  background: var(--color-text);
  color: #fff;
  border-radius: 8px;
  padding: var(--space-2) var(--space-3);
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 160ms ease-out, transform 160ms ease-out;
}
.toast.show {
  opacity: .95;
  transform: translateY(0);
}
.onboard-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.35);
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  transition: opacity 200ms ease-out;
}
.onboard-overlay.show {
  opacity: 1;
}
.onboard-box {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: var(--space-5);
  width: min(560px, 90vw);
}
.tool-page .container { max-width: 960px; }
.side-by-side { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.tool-page .tool-title { margin: 0; display: inline-flex; align-items: center; gap: 8px; }
.tool-icon-inline { width: 1em; height: 1em; display: inline-block; flex: 0 0 auto; }
.tool-page .tool-title span { font-weight: 800; }
.tool-page .tool-desc { margin: 4px 0 var(--space-2) 0; }
@media (max-width: 900px) {
  .side-by-side { grid-template-columns: 1fr; }
}
.tool-page #digital-bar { display: none; }
@media (max-width: 520px) {
  .tool-page #gauge { display: none; max-width: 100%; }
  .tool-page #digital-bar { display: block; }
}
.tool-page .sticky-action {
  position: fixed;
  left: 0; right: 0;
  bottom: 72px;
  display: flex;
  justify-content: center;
  pointer-events: none;
}
.tool-page .sticky-action .btn {
  pointer-events: auto;
}
@media (max-width: 768px) {
  .row { grid-template-columns: 1fr; }
  .tools { grid-template-columns: 1fr; }
  .tools-sidebar { position: relative; top: 0; }
  .inline-filters { display: block; }
  .mini-grid { grid-template-columns: 1fr; }
}
  .segmented { overflow-x: auto; }
  .tab { white-space: nowrap; }
  .sticky-back {
    position: fixed;
    bottom: var(--sticky-offset);
    right: var(--sticky-offset);
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0,0,0,.12);
  }
  .logo-img { height: 32px; }
  #popular { grid-template-columns: 1fr; }
  .mobile-sticky-nav {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    display: flex;
    gap: var(--space-3);
    justify-content: space-evenly;
    padding: var(--space-3);
    background: var(--color-card);
    border-top: 1px solid var(--color-border);
    z-index: 1000;
  }
/* Tool pages: make footer a fixed white bar like header */
.tool-page .site-footer {
  position: static;
  left: auto; right: auto; bottom: auto;
  padding: var(--space-5) 0;
  z-index: auto;
}
.tool-page .site-footer .container { display: flex; align-items: center; justify-content: center; }
.tool-page .site-footer p { margin: 0; }
.tool-page main.container { padding-bottom: 0; }
@media (max-width: 900px) and (min-width: 641px) {
  #popular { grid-template-columns: repeat(2, 1fr); }
}
/* App-like tool page styles */
.tool-app { display: grid; gap: var(--space-4); }
.tool-app .controls { display: grid; gap: var(--space-3); align-items: center; }
.tool-app .controls .primary-actions { display: block; width: 100%; }
.tool-app .controls .segmented { align-self: start; }
.tool-app .controls .slider-label { display: grid; grid-template-columns: 120px 1fr; align-items: center; gap: var(--space-3); }
.tool-app input[type="range"] { accent-color: var(--color-primary); }
.tool-app input[type="range"]::-webkit-slider-thumb { background: var(--color-primary); box-shadow: 0 1px 4px rgba(10,132,255,.45); }
.tool-app input[type="range"]::-moz-range-thumb { background: var(--color-primary); box-shadow: 0 1px 4px rgba(10,132,255,.45); }
.tool-app select, .tool-app input[type="text"], .tool-app input[type="number"], .tool-app textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-card);
  color: var(--color-text);
  font-size: 1rem;
}
.tool-app select:focus, .tool-app input[type="text"]:focus, .tool-app input[type="number"]:focus, .tool-app textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,.15);
}
.tool-app .preview-card { padding: var(--space-5); border: 1px solid var(--color-border); border-radius: 12px; background: var(--color-card); }
.tool-app .status { font-size: .95rem; color: var(--color-muted); }
.tool-app .side-by-side { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.tool-app .side-by-side h3 { margin-top: 0; font-size: 1rem; color: #374151; }
.picker { display: grid; gap: var(--space-3); margin-bottom: var(--space-3); }
.picker-area { position: relative; width: 100%; height: 160px; border: 1px solid var(--color-border); border-radius: 12px; background: linear-gradient(0deg, rgba(0,0,0,1), rgba(0,0,0,0)), linear-gradient(90deg, #ffffff, #2563eb); cursor: crosshair; }
.picker-thumb { position: absolute; width: 14px; height: 14px; border-radius: 9999px; border: 2px solid #fff; box-shadow: 0 0 0 1px rgba(0,0,0,.6); transform: translate(-7px, -7px); }
.hue-slider { width: 100%; height: 12px; -webkit-appearance: none; appearance: none; border-radius: 9999px; background: linear-gradient(90deg, #ff0000, #ffff00, #00ff00, #00ffff, #0000ff, #ff00ff, #ff0000); outline: none; }
.hue-slider::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 16px; height: 16px; border-radius: 9999px; background: #fff; border: 1px solid #d1d5db; box-shadow: 0 1px 2px rgba(0,0,0,.12); }
.hue-slider::-moz-range-thumb { width: 16px; height: 16px; border-radius: 9999px; background: #fff; border: 1px solid #d1d5db; box-shadow: 0 1px 2px rgba(0,0,0,.12); }
.rgb-inline { display: flex; gap: var(--space-3); align-items: center; }
.rgb-inline label { display: grid; grid-template-columns: 24px 1fr; align-items: center; gap: 8px; flex: 1; }
.rgb-inline input[type="range"] { width: 100%; }
.color-swatch { cursor: pointer; }
.tool-app .tool-panels { grid-template-columns: 1fr 1fr; }
.options-sticky { position: sticky; top: 96px; align-self: start; }
.picker-area { height: 120px; }
.app-header { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); margin: var(--space-4) 0 var(--space-3); }
.burger { border: none; background: transparent; border-radius: 0; padding: 6px 10px; font-weight: 700; font-size: 1.4rem; line-height: 1; }
.burger:focus { outline: 3px solid var(--color-accent); outline-offset: 2px; }
.menu-sheet { position: fixed; inset: 0; background: rgba(0,0,0,.15); backdrop-filter: blur(3px) saturate(120%); z-index: 999; display: none; }
.menu-sheet.show { display: block; }
.menu-box { position: fixed; right: 0; top: 0; height: 100vh; width: min(320px, 85vw); background: #fff; border-left: 1px solid var(--color-border); box-shadow: -8px 0 24px rgba(0,0,0,.08); display: flex; flex-direction: column; padding: 12px; transform: translateX(100%); transition: transform 180ms ease-out; }
.menu-sheet.show .menu-box { transform: translateX(0); }
.menu-box h3 { text-align: center; margin: 8px 0; }
.menu-list { display: grid; gap: 6px; margin: 8px 0; justify-items: center; }
.menu-list .btn { justify-content: center; width: 100%; padding: 8px 10px; }
.menu-divider { height: 1px; background: var(--color-border); margin: 8px 0; }
.menu-section-title { font-weight: 600; font-size: .95rem; color: #6b7280; margin: 8px 0; text-align: center; }
.menu-bottom { margin-top: auto; }
.menu-bottom .menu-list .btn { font-size: .95rem; }
.menu-bottom .menu-divider { margin-top: 12px; }
.menu-open main.container { filter: blur(2px); }
/* Modal */
.modal-sheet { position: fixed; inset: 0; background: rgba(0,0,0,.25); backdrop-filter: blur(2px); z-index: 1001; display: none; }
.modal-sheet.show { display: block; }
.modal-box { background: #fff; border: 1px solid var(--color-border); border-radius: 12px; width: min(560px, 92vw); margin: 12vh auto; padding: 16px; box-shadow: 0 10px 30px rgba(0,0,0,.15); position: relative; }
.modal-close { position: absolute; right: 12px; top: 10px; border: none; background: transparent; font-size: 1.6rem; line-height: 1; }
.menu-divider { height: 1px; background: var(--color-border); margin: 12px 0; }
.menu-section-title { font-weight: 600; font-size: .95rem; color: #6b7280; margin: 8px 0; }
.animate-in { opacity: 0; transform: translateY(8px); transition: opacity 180ms ease-out, transform 180ms ease-out; }
.animate-in.show { opacity: 1; transform: translateY(0); }
.pulse { animation: pulse 380ms ease-out; }
@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.01); }
  100% { transform: scale(1); }
}
.visually-hidden { position: absolute !important; height: 1px; width: 1px; overflow: hidden; clip: rect(1px, 1px, 1px, 1px); white-space: nowrap; }
@media (max-width: 768px) {
  .tool-app .controls .slider-label { grid-template-columns: 1fr; }
  .tool-app .controls .primary-actions { justify-content: initial; }
  .tool-app .side-by-side { grid-template-columns: 1fr; }
}