/* iibic Symbols — production static UI */
:root {
  color-scheme: light;
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans", "Noto Sans TC", "Noto Sans SC", "Noto Sans JP", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji";
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --page: #f6f7fb;
  --surface: #ffffff;
  --surface-soft: #f0f2f8;
  --surface-raised: rgba(255, 255, 255, 0.92);
  --text: #17182a;
  --text-soft: #596077;
  --text-faint: #7f879e;
  --line: #dfe3ee;
  --line-strong: #cbd1df;
  --primary: #5b4cf0;
  --primary-strong: #4738d4;
  --primary-soft: #efedff;
  --accent: #168b90;
  --accent-soft: #e5f7f4;
  --success: #167a55;
  --danger: #b53c4c;
  --warning: #976000;
  --focus: 0 0 0 3px rgba(91, 76, 240, 0.28);
  --shadow-xs: 0 1px 2px rgba(27, 30, 54, 0.06);
  --shadow-sm: 0 8px 24px rgba(27, 30, 54, 0.08);
  --shadow-md: 0 18px 50px rgba(27, 30, 54, 0.13);
  --radius-sm: 9px;
  --radius-md: 15px;
  --radius-lg: 22px;
  --radius-xl: 30px;
  --container: 1240px;
  --header-height: 68px;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --page: #0f111a;
  --surface: #181b27;
  --surface-soft: #222635;
  --surface-raised: rgba(24, 27, 39, 0.94);
  --text: #f4f5fb;
  --text-soft: #b9bfd0;
  --text-faint: #9299ad;
  --line: #303546;
  --line-strong: #42485c;
  --primary: #9a91ff;
  --primary-strong: #b7b1ff;
  --primary-soft: #2b2853;
  --accent: #69d0d2;
  --accent-soft: #17383a;
  --success: #6ed0a4;
  --danger: #f18a99;
  --warning: #e7b663;
  --focus: 0 0 0 3px rgba(154, 145, 255, 0.34);
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.28);
  --shadow-sm: 0 10px 28px rgba(0, 0, 0, 0.28);
  --shadow-md: 0 20px 54px rgba(0, 0, 0, 0.36);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; text-size-adjust: 100%; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    radial-gradient(circle at 4% -8%, rgba(91, 76, 240, 0.11), transparent 29rem),
    radial-gradient(circle at 96% 2%, rgba(22, 139, 144, 0.08), transparent 24rem),
    var(--page);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.mobile-search-open { overflow: hidden; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
a { color: var(--primary-strong); text-decoration-thickness: .08em; text-underline-offset: .18em; }
a:hover { text-decoration-thickness: .13em; }
img, svg { display: block; max-width: 100%; }
[hidden] { display: none !important; }
::selection { background: var(--primary); color: #fff; }
:focus-visible { outline: none; box-shadow: var(--focus); }

.container { width: min(calc(100% - 32px), var(--container)); margin-inline: auto; }
.section { padding: 34px 0; }
main { min-height: 55vh; }

.skip-link {
  position: fixed;
  z-index: 10000;
  top: 10px;
  left: 10px;
  transform: translateY(-160%);
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  background: var(--text);
  color: var(--surface);
  text-decoration: none;
}
.skip-link:focus { transform: none; }

.site-header {
  position: sticky;
  z-index: 80;
  top: 0;
  height: var(--header-height);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 76%, transparent);
  background: var(--surface-raised);
  backdrop-filter: blur(16px) saturate(150%);
}
.header-inner {
  width: min(calc(100% - 32px), var(--container));
  height: 100%;
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(190px, 260px) minmax(280px, 650px) auto;
  align-items: center;
  gap: 22px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: var(--text);
  font-weight: 760;
  letter-spacing: -.02em;
  text-decoration: none;
}
.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(145deg, #7568f4, #4939cf);
  color: #fff;
  box-shadow: 0 8px 19px rgba(73, 57, 207, .24);
}
.brand-text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.header-search { position: relative; min-width: 0; }
.search-shell {
  display: flex;
  align-items: center;
  min-width: 0;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--shadow-xs);
  transition: border-color .18s, box-shadow .18s, background .18s;
}
.search-shell:focus-within { border-color: var(--primary); box-shadow: var(--focus); }
.search-icon { width: 20px; height: 20px; margin-left: 14px; color: var(--text-faint); }
.search-icon svg, .icon-button svg, .feature-icon svg, .install-button svg { width: 100%; height: 100%; }
.search-input {
  min-width: 0;
  flex: 1;
  height: 42px;
  padding: 0 10px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
}
.search-input::placeholder { color: var(--text-faint); }
.search-submit {
  align-self: stretch;
  margin: 4px;
  padding: 0 14px;
  border: 0;
  border-radius: 10px;
  background: var(--primary-soft);
  color: var(--primary-strong);
  font-weight: 720;
  cursor: pointer;
}
.search-submit:hover { filter: brightness(.98); }
.search-suggestions {
  position: absolute;
  z-index: 120;
  top: calc(100% + 8px);
  right: 0;
  left: 0;
  overflow: hidden;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--surface);
  box-shadow: var(--shadow-md);
}
.search-suggestion {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 10px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--text);
  text-decoration: none;
}
.search-suggestion:hover, .search-suggestion:focus-visible, .search-suggestion[aria-selected="true"] { background: var(--surface-soft); text-decoration: none; }
.suggestion-character { font-size: 1.5rem; text-align: center; }
.suggestion-copy { overflow: hidden; }
.suggestion-copy strong, .suggestion-copy small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.suggestion-copy small { color: var(--text-faint); font-family: var(--font-mono); }
.suggestion-type { color: var(--text-faint); font-size: .78rem; }
.header-actions { display: flex; align-items: center; justify-content: flex-end; gap: 8px; }
.icon-button,
.language-menu > summary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 42px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text-soft);
  box-shadow: var(--shadow-xs);
  cursor: pointer;
  list-style: none;
}
.icon-button:hover, .language-menu > summary:hover { border-color: var(--line-strong); color: var(--text); }
.icon-button svg, .language-menu > summary svg { width: 20px; height: 20px; }
.mobile-search-toggle { display: none; }
.language-menu { position: relative; }
.language-menu > summary { gap: 7px; }
.language-menu > summary::-webkit-details-marker { display: none; }
.language-list {
  position: absolute;
  z-index: 130;
  top: calc(100% + 8px);
  right: 0;
  width: 220px;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--surface);
  box-shadow: var(--shadow-md);
}
.language-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 10px;
  border-radius: 9px;
  color: var(--text);
  text-decoration: none;
}
.language-list a:hover, .language-list a[aria-current="true"] { background: var(--surface-soft); }
.language-list small { color: var(--text-faint); }

.main-nav { border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--surface) 91%, transparent); }
.nav-inner {
  width: min(calc(100% - 32px), var(--container));
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 5px;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-inner::-webkit-scrollbar { display: none; }
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 48px;
  padding: 0 14px;
  border-bottom: 2px solid transparent;
  color: var(--text-soft);
  font-size: .92rem;
  font-weight: 680;
  text-decoration: none;
  white-space: nowrap;
}
.nav-link:hover { color: var(--text); text-decoration: none; }
.nav-link[aria-current="page"] { border-bottom-color: var(--primary); color: var(--primary-strong); }

.hero { padding: clamp(52px, 8vw, 94px) 0 50px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr); align-items: center; gap: clamp(38px, 7vw, 90px); }
.eyebrow {
  margin: 0 0 10px;
  color: var(--primary-strong);
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.hero h1, .page-title {
  margin: 0;
  color: var(--text);
  font-size: clamp(2.2rem, 5.6vw, 4.7rem);
  line-height: 1.08;
  letter-spacing: -.052em;
}
.hero-copy, .page-description { max-width: 760px; color: var(--text-soft); font-size: clamp(1rem, 1.7vw, 1.18rem); }
.hero-copy { margin: 21px 0 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 11px; margin-top: 27px; }
.primary-button, .secondary-button, .install-button, .load-more {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 12px;
  font-weight: 760;
  text-decoration: none;
  cursor: pointer;
  transition: transform .16s, box-shadow .16s, border-color .16s, background .16s;
}
.primary-button { border: 1px solid var(--primary); background: var(--primary); color: #fff; box-shadow: 0 9px 22px rgba(91, 76, 240, .22); }
.primary-button:hover { transform: translateY(-1px); color: #fff; text-decoration: none; }
.secondary-button, .install-button, .load-more { border: 1px solid var(--line); background: var(--surface); color: var(--text); box-shadow: var(--shadow-xs); }
.secondary-button:hover, .install-button:hover, .load-more:hover { border-color: var(--primary); color: var(--primary-strong); text-decoration: none; }
.install-button svg { width: 18px; height: 18px; }
.stat-strip { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 30px; }
.stat-card { padding: 13px 15px; border: 1px solid var(--line); border-radius: 14px; background: color-mix(in srgb, var(--surface) 88%, transparent); box-shadow: var(--shadow-xs); }
.stat-value, .stat-label { display: block; }
.stat-value { font-size: 1.18rem; font-weight: 820; letter-spacing: -.025em; }
.stat-label { color: var(--text-faint); font-size: .78rem; }
.hero-visual { position: relative; min-height: 390px; display: grid; place-items: center; }
.hero-visual::before {
  content: "";
  position: absolute;
  inset: 4% 7%;
  border-radius: 36% 64% 58% 42% / 43% 35% 65% 57%;
  background: linear-gradient(150deg, rgba(91, 76, 240, .18), rgba(22, 139, 144, .14));
  filter: blur(.1px);
}
.symbol-cloud {
  position: relative;
  width: min(100%, 460px);
  aspect-ratio: 1.15;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: center;
  justify-items: center;
  gap: 8px;
  padding: 35px;
  border: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
  border-radius: 30px;
  background: color-mix(in srgb, var(--surface) 82%, transparent);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(15px);
  transform: rotate(-2deg);
}
.symbol-cloud span {
  display: grid;
  width: clamp(42px, 5vw, 62px);
  height: clamp(42px, 5vw, 62px);
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--surface);
  color: var(--text);
  font-size: clamp(1.25rem, 2.6vw, 2rem);
  box-shadow: var(--shadow-sm);
  transform: rotate(2deg);
}
.symbol-cloud span:nth-child(3n) { transform: translateY(-8px) rotate(5deg); }
.symbol-cloud span:nth-child(4n) { transform: translateY(8px) rotate(-3deg); }

.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 17px; }
.section-heading h2, .content-card h2, .legal-content h2, .search-panel h2 { margin: 0; font-size: clamp(1.35rem, 2.4vw, 1.85rem); letter-spacing: -.03em; }
.section-heading p { max-width: 780px; margin: 5px 0 0; color: var(--text-soft); }
.text-link { flex: 0 0 auto; font-weight: 720; text-decoration: none; }

.category-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.category-card {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  min-height: 82px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-xs);
  text-decoration: none;
  transition: transform .16s, border-color .16s, box-shadow .16s;
}
.category-card:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--primary) 55%, var(--line)); box-shadow: var(--shadow-sm); text-decoration: none; }
.category-icon { display: grid; width: 48px; height: 48px; place-items: center; border-radius: 13px; background: var(--primary-soft); color: var(--primary-strong); font-size: 1.65rem; }
.category-name, .category-count { display: block; }
.category-name { overflow: hidden; font-weight: 760; line-height: 1.25; text-overflow: ellipsis; }
.category-count { margin-top: 3px; color: var(--text-faint); font-size: .8rem; }
.category-arrow { color: var(--text-faint); font-size: 1.65rem; }

.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.feature-card { padding: 23px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); box-shadow: var(--shadow-xs); }
.feature-card h3 { margin: 13px 0 5px; font-size: 1.08rem; }
.feature-card p { margin: 0; color: var(--text-soft); }
.feature-icon { display: grid; width: 43px; height: 43px; place-items: center; border-radius: 12px; background: var(--accent-soft); color: var(--accent); }
.feature-icon svg { width: 22px; height: 22px; }
.install-callout { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 24px 26px; border: 1px solid color-mix(in srgb, var(--primary) 30%, var(--line)); border-radius: 20px; background: linear-gradient(125deg, var(--primary-soft), var(--surface)); }
.install-callout h3 { margin: 0; font-size: 1.25rem; }
.install-callout p { margin: 5px 0 0; color: var(--text-soft); }
.content-card, .legal-content, .search-panel {
  padding: clamp(22px, 4vw, 38px);
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface);
  box-shadow: var(--shadow-xs);
}
.content-card p, .legal-content p { color: var(--text-soft); }
.faq-list { margin-top: 17px; border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary { padding: 16px 4px; font-weight: 740; cursor: pointer; }
.faq-item p { margin: -2px 4px 18px; }

.page-hero { padding: 46px 0 32px; border-bottom: 1px solid color-mix(in srgb, var(--line) 75%, transparent); background: color-mix(in srgb, var(--surface) 50%, transparent); }
.page-title { max-width: 920px; font-size: clamp(2rem, 5vw, 3.55rem); }
.page-description { margin: 15px 0 0; }
.page-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.meta-chip, .filter-chip { display: inline-flex; align-items: center; min-height: 30px; padding: 3px 10px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); color: var(--text-soft); font-size: .8rem; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 7px; margin: 0 0 13px; padding: 0; color: var(--text-faint); font-size: .82rem; list-style: none; }
.breadcrumbs a { color: var(--text-soft); text-decoration: none; }
.breadcrumbs a:hover { color: var(--primary-strong); }

.page-layout { display: grid; grid-template-columns: minmax(0, 1fr) 290px; align-items: start; gap: 26px; padding-top: 30px; padding-bottom: 44px; }
.main-column { min-width: 0; }
.sidebar { position: sticky; top: calc(var(--header-height) + 18px); display: grid; gap: 18px; }
.sidebar-card { overflow: hidden; border: 1px solid var(--line); border-radius: 17px; background: var(--surface); box-shadow: var(--shadow-xs); }
.sidebar-title { margin: 0; padding: 16px 17px 11px; font-size: .95rem; }
.sidebar-links { display: grid; gap: 2px; padding: 6px; }
.sidebar-links a { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 8px 10px; border-radius: 9px; color: var(--text-soft); font-size: .86rem; text-decoration: none; }
.sidebar-links a:hover, .sidebar-links a[aria-current="page"] { background: var(--primary-soft); color: var(--primary-strong); }
.sidebar-links small { color: var(--text-faint); }
.mobile-category-menu { display: none; margin-top: 18px; border: 1px solid var(--line); border-radius: 13px; background: var(--surface); }
.mobile-category-menu summary { padding: 11px 14px; font-weight: 740; cursor: pointer; }
.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 15px; }
.toolbar-left, .toolbar-right { display: flex; align-items: center; gap: 10px; }
.toolbar-left { min-width: 0; flex: 1; }
.inline-filter { width: min(100%, 390px); height: 42px; padding: 0 13px; border: 1px solid var(--line); border-radius: 12px; outline: 0; background: var(--surface); color: var(--text); box-shadow: var(--shadow-xs); }
.inline-filter:focus { border-color: var(--primary); box-shadow: var(--focus); }
.result-count { color: var(--text-faint); font-size: .82rem; white-space: nowrap; }

.symbol-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; }
.symbol-card {
  position: relative;
  min-width: 0;
  min-height: 160px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: var(--shadow-xs);
  transition: transform .15s, border-color .15s, box-shadow .15s, background .15s;
}
.symbol-card:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--primary) 48%, var(--line)); box-shadow: var(--shadow-sm); }
.symbol-card.is-copied { border-color: var(--success); background: color-mix(in srgb, var(--surface) 86%, var(--accent-soft)); }
.symbol-copy-button { display: flex; width: 100%; min-height: 160px; flex-direction: column; align-items: center; justify-content: center; gap: 7px; padding: 20px 12px 15px; border: 0; background: transparent; color: var(--text); cursor: copy; }
.symbol-character { display: flex; min-height: 51px; align-items: center; justify-content: center; max-width: 100%; font-size: clamp(2rem, 4vw, 2.85rem); line-height: 1.08; overflow-wrap: anywhere; }
.symbol-name { display: -webkit-box; overflow: hidden; max-width: 100%; color: var(--text-soft); font-size: .78rem; line-height: 1.3; text-align: center; text-overflow: ellipsis; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.symbol-code { max-width: 100%; overflow: hidden; color: var(--text-faint); font-family: var(--font-mono); font-size: .68rem; text-overflow: ellipsis; white-space: nowrap; }
.favorite-button { position: absolute; top: 8px; right: 8px; display: grid; width: 32px; height: 32px; place-items: center; border: 1px solid transparent; border-radius: 9px; background: color-mix(in srgb, var(--surface) 88%, transparent); color: var(--text-faint); cursor: pointer; opacity: .38; transition: opacity .15s, color .15s, background .15s; }
.symbol-card:hover .favorite-button, .favorite-button:focus-visible, .favorite-button[aria-pressed="true"] { opacity: 1; }
.favorite-button:hover { background: var(--primary-soft); color: var(--primary-strong); }
.favorite-button[aria-pressed="true"] { color: #d59700; }
.favorite-button[aria-pressed="true"] svg { fill: currentColor; }
.favorite-button svg { width: 18px; height: 18px; }
.empty-inline { display: none; margin: 14px 0 0; padding: 18px; border: 1px dashed var(--line-strong); border-radius: 14px; color: var(--text-faint); text-align: center; }
.empty-inline.is-visible { display: block; }
.empty-state { display: grid; min-height: 180px; place-items: center; align-content: center; gap: 7px; padding: 25px; border: 1px dashed var(--line-strong); border-radius: 16px; color: var(--text-faint); text-align: center; }
.empty-state-character { font-size: 2.3rem; }
.load-more-wrap { display: flex; justify-content: center; margin-top: 20px; }
.load-more[disabled] { opacity: .58; cursor: wait; }

.search-panel .js-search-form { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; }
.search-summary { margin: 18px 0 14px; color: var(--text-soft); }
.search-panel .symbol-grid { margin-top: 12px; }

.legal-content { max-width: 900px; margin-inline: auto; }
.legal-content section + section { margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--line); }
.legal-content h2 { font-size: 1.35rem; }

.site-footer { margin-top: 28px; border-top: 1px solid var(--line); background: color-mix(in srgb, var(--surface) 78%, var(--page)); }
.footer-inner { width: min(calc(100% - 32px), var(--container)); margin-inline: auto; display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 34px; padding: 43px 0 30px; }
.footer-brand p { max-width: 400px; margin: 10px 0 0; color: var(--text-soft); font-size: .87rem; }
.footer-heading { margin: 0 0 11px; font-size: .9rem; }
.footer-links { display: grid; gap: 7px; }
.footer-links a { color: var(--text-soft); font-size: .84rem; text-decoration: none; }
.footer-links a:hover { color: var(--primary-strong); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 22px; width: min(calc(100% - 32px), var(--container)); margin-inline: auto; padding: 18px 0 24px; border-top: 1px solid var(--line); color: var(--text-faint); font-size: .76rem; }

.ad-section { width: min(calc(100% - 32px), var(--container)); margin-inline: auto; }
.ad-slot { display: none; width: 100%; margin: 25px auto; overflow: hidden; border-radius: 13px; }
.ad-slot[data-ad-state="preview"], .ad-slot[data-ad-state="loading"], .ad-slot[data-ad-state="rendered"] { display: flex; align-items: center; justify-content: center; }
.ad-placeholder { display: grid; width: min(100%, 970px); min-height: 90px; place-items: center; align-content: center; gap: 3px; padding: 12px; border: 1px dashed var(--line-strong); border-radius: 13px; background: repeating-linear-gradient(-45deg, var(--surface), var(--surface) 8px, var(--surface-soft) 8px, var(--surface-soft) 16px); color: var(--text-faint); text-align: center; }
.ad-slot[data-ad-format="billboard"] .ad-placeholder { min-height: min(250px, 26vw); }
.ad-slot[data-ad-format="rectangle"] .ad-placeholder { width: min(100%, 336px); min-height: 250px; }
.ad-slot[data-ad-format="skyscraper"] .ad-placeholder { width: min(100%, 300px); min-height: 600px; }
.ad-placeholder strong { color: var(--text-soft); font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; }
.ad-placeholder span { font-size: .72rem; }

.consent-panel {
  position: fixed;
  z-index: 500;
  right: 18px;
  bottom: 18px;
  width: min(430px, calc(100% - 36px));
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: var(--surface);
  box-shadow: var(--shadow-md);
}
.consent-panel h2 { margin: 0; font-size: 1.15rem; }
.consent-panel p { margin: 7px 0 16px; color: var(--text-soft); font-size: .9rem; }
.consent-actions { display: flex; justify-content: flex-end; gap: 9px; }

.toast-region { position: fixed; z-index: 600; right: 16px; bottom: 16px; display: grid; width: min(390px, calc(100% - 32px)); gap: 9px; pointer-events: none; }
.toast { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; gap: 10px; transform: translateY(10px); padding: 12px 14px; border: 1px solid var(--line); border-radius: 13px; background: var(--surface); box-shadow: var(--shadow-md); opacity: 0; transition: transform .18s, opacity .18s; }
.toast.is-visible { transform: none; opacity: 1; }
.toast-icon { display: grid; width: 28px; height: 28px; place-items: center; border-radius: 50%; background: var(--accent-soft); color: var(--success); font-weight: 850; }
.toast-copy { min-width: 0; }
.toast-copy strong, .toast-copy span { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.toast-copy strong { font-size: .86rem; }
.toast-copy span { color: var(--text-faint); font-size: .76rem; }

.router-page, .error-page, .offline-page { min-height: 100vh; display: grid; place-items: center; padding: 28px; }
.offline-page { min-height: 62vh; }
.center-card { width: min(100%, 560px); padding: clamp(28px, 6vw, 50px); border: 1px solid var(--line); border-radius: 24px; background: var(--surface); box-shadow: var(--shadow-md); text-align: center; }
.center-card h1 { margin: 18px 0 7px; font-size: clamp(1.8rem, 5vw, 2.7rem); letter-spacing: -.04em; }
.center-card p { color: var(--text-soft); }
.locale-choice-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; margin-top: 22px; }
.locale-choice-grid a { padding: 11px; border: 1px solid var(--line); border-radius: 11px; background: var(--surface-soft); color: var(--text); font-weight: 690; text-decoration: none; }
.locale-choice-grid a:hover { border-color: var(--primary); color: var(--primary-strong); }

@media (max-width: 1120px) {
  .header-inner { grid-template-columns: minmax(180px, 220px) minmax(260px, 1fr) auto; gap: 14px; }
  .category-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .symbol-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .footer-inner { grid-template-columns: 1.4fr repeat(3, 1fr); gap: 24px; }
}

@media (max-width: 900px) {
  :root { --header-height: 62px; }
  .header-inner { grid-template-columns: minmax(0, 1fr) auto; }
  .header-search {
    position: fixed;
    z-index: 200;
    top: 0;
    right: 0;
    left: 0;
    display: none;
    min-height: var(--header-height);
    padding: 9px 16px;
    background: var(--surface);
    box-shadow: var(--shadow-md);
  }
  body.mobile-search-open .header-search { display: block; }
  .mobile-search-toggle { display: inline-flex; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 320px; }
  .symbol-cloud { width: min(100%, 520px); aspect-ratio: 1.5; }
  .page-layout { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .mobile-category-menu { display: block; }
  .feature-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1.5fr repeat(2, 1fr); }
  .footer-inner > :last-child { grid-column: 2 / -1; }
}

@media (max-width: 720px) {
  .container, .header-inner, .nav-inner, .footer-inner, .footer-bottom, .ad-section { width: min(calc(100% - 24px), var(--container)); }
  .brand-text { max-width: 170px; }
  .language-menu > summary span { display: none; }
  .category-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .symbol-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .symbol-card, .symbol-copy-button { min-height: 145px; }
  .symbol-character { font-size: 2.2rem; }
  .toolbar { align-items: stretch; flex-direction: column; }
  .toolbar-left { align-items: stretch; flex-direction: column; }
  .inline-filter { width: 100%; }
  .toolbar-right { display: none; }
  .search-panel .js-search-form { grid-template-columns: 1fr; }
  .search-panel .primary-button { width: 100%; }
  .footer-inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
  .footer-inner > :last-child { grid-column: auto; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 7px; }
  .install-callout { align-items: flex-start; flex-direction: column; }
  .stat-strip { grid-template-columns: 1fr; }
  .stat-card { display: flex; align-items: center; justify-content: space-between; }
  .hero-visual { display: none; }
  .hero { padding-top: 46px; }
}

@media (max-width: 520px) {
  .header-actions { gap: 5px; }
  .icon-button, .language-menu > summary { min-width: 39px; width: 39px; height: 39px; padding: 0; }
  .category-grid { grid-template-columns: 1fr; }
  .category-card { min-height: 73px; }
  .symbol-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .symbol-card, .symbol-copy-button { min-height: 142px; }
  .symbol-copy-button { padding-inline: 8px; }
  .symbol-name { font-size: .73rem; }
  .page-hero { padding-top: 35px; }
  .page-title { font-size: 2.1rem; }
  .hero h1 { font-size: 2.35rem; }
  .hero-actions > * { flex: 1 1 100%; }
  .locale-choice-grid { grid-template-columns: 1fr; }
  .consent-actions { flex-direction: column-reverse; }
  .consent-actions > * { width: 100%; }
  .ad-slot[data-ad-format="billboard"] .ad-placeholder { min-height: 100px; }
  .ad-slot[data-ad-format="skyscraper"] { display: none !important; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

@media print {
  .site-header, .main-nav, .site-footer, .ad-section, .ad-slot, .toolbar, .favorite-button, .install-callout { display: none !important; }
  body { background: #fff; color: #000; }
  .page-layout { display: block; }
  .symbol-grid { grid-template-columns: repeat(6, 1fr); }
  .symbol-card { box-shadow: none; break-inside: avoid; }
}