@charset "UTF-8";

:root {
  color-scheme: light;
  --canvas: #f7f8fa;
  --paper: #ffffff;
  --ink: #182332;
  --muted: #667180;
  --subtle: #667180;
  --line: #e4e8ed;
  --line-strong: #8490a0;
  --blue: #2859d6;
  --blue-dark: #1948bc;
  --blue-soft: #edf2ff;
  --green: #18714e;
  --red: #b04743;
  --radius: 12px;
  font-family: Inter, "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-synthesis: none;
  color: var(--ink);
  background: var(--canvas);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-top: 1rem; }
body { margin: 0; min-width: 0; }
button, input, select { font: inherit; }
button, select { cursor: pointer; }
button { color: inherit; }
button, input, select { -webkit-tap-highlight-color: transparent; }
button { border: 0; }
button, a, select, input, summary { touch-action: manipulation; }
button:disabled { cursor: default; }
a { color: var(--blue); text-decoration-thickness: 1px; text-underline-offset: 3px; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
}
button, a, select, summary { transition: background-color 140ms, border-color 140ms, color 140ms; }
button[hidden], [hidden] { display: none !important; }
svg { display: block; flex-shrink: 0; }
input, select { max-width: 100%; min-width: 0; }
input[type="search"]::-webkit-search-cancel-button { -webkit-appearance: none; }
::selection { background: #dbe6ff; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 10px; left: 10px; z-index: 100; padding: .7rem 1rem; border-radius: 6px; background: var(--ink); color: #fff; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }

.demo-banner { border-bottom: 1px solid #dce5fa; background: #edf2ff; color: #39588d; font-size: .75rem; }
.banner-inner { max-width: 1336px; padding: .45rem 3rem; margin: auto; display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: .45rem; }
.banner-inner strong { font-weight: 650; }
.preview-dot { width: 6px; height: 6px; border: 1px solid currentColor; border-radius: 50%; }
.banner-divider { color: #899ab8; }
.site-header { background: var(--paper); border-bottom: 1px solid var(--line); }
.header-inner { max-width: 1336px; min-height: 4.75rem; padding: .7rem 3rem; margin: auto; display: flex; align-items: center; gap: 3.4rem; }
.brand { display: inline-flex; align-items: center; gap: .65rem; color: var(--ink); text-decoration: none; flex-shrink: 0; }
.brand-mark { width: 34px; height: 34px; color: var(--blue); }
.brand-wordmark { font-size: 1.4rem; font-weight: 780; letter-spacing: -.055em; line-height: 1.2; }
.brand-wordmark span { font-weight: 470; letter-spacing: -.04em; }
.header-nav { align-self: stretch; display: flex; align-items: center; gap: 1.4rem; }
.header-nav a { align-self: stretch; display: inline-flex; align-items: center; position: relative; text-decoration: none; font-size: .875rem; color: var(--ink); font-weight: 650; }
.header-nav .nav-current::after { content: ""; height: 3px; background: var(--blue); position: absolute; bottom: -.7rem; left: 0; right: 0; border-radius: 3px 3px 0 0; }
.header-actions { margin-left: auto; display: flex; align-items: center; gap: 1.25rem; }
.header-explore { display: inline-flex; align-items: center; gap: .75rem; min-height: 2.5rem; color: var(--ink); text-decoration: none; font-size: .8125rem; font-weight: 650; }
.header-explore:hover { color: var(--blue); }
.local-preview { color: var(--muted); font-size: .75rem; font-weight: 600; letter-spacing: .12em; white-space: nowrap; border: 1px solid var(--line); border-radius: 4px; padding: .25rem .45rem; }
.method-button { display: inline-flex; align-items: center; gap: .4rem; padding: .5rem .1rem; background: transparent; color: #4f5c6d; font-size: .8125rem; white-space: nowrap; }
.method-button svg { width: 17px; height: 17px; }
.method-button:hover { color: var(--blue); }
.page-shell { max-width: 1336px; margin: auto; padding: 2.55rem 3rem 0; }
.page-intro { position: relative; isolation: isolate; overflow: hidden; display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); align-items: center; gap: 2.5rem 3rem; margin-bottom: 2rem; padding: 3.1rem 3rem 1.5rem; border: 1px solid #24433f; border-radius: 18px; color: #f4f6f1; background: #0b232a; box-shadow: 0 16px 44px #0b232a12; }
.page-intro::before { content: ""; position: absolute; z-index: 0; inset: 0; background-image: linear-gradient(#d5efcb05 1px, transparent 1px), linear-gradient(90deg, #d5efcb05 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(110deg, transparent 18%, #000); pointer-events: none; }
.page-intro::after { content: ""; position: absolute; z-index: 0; width: 39rem; height: 39rem; top: -26rem; right: -15rem; border: 1px solid #cce8bc25; border-radius: 50%; box-shadow: 0 0 0 4rem #cce8bc06, 0 0 0 8rem #cce8bc04; pointer-events: none; }
.intro-copy { position: relative; z-index: 1; min-width: 0; }
.eyebrow { font-size: .75rem; letter-spacing: .16em; color: var(--blue); font-weight: 750; line-height: 1.5; margin: 0 0 .55rem; display: flex; align-items: center; gap: .4rem; }
.eyebrow > span { width: 13px; height: 2px; background: currentColor; }
h1 { margin: 0; font-size: clamp(1.9rem, 3vw, 2.6rem); font-weight: 750; letter-spacing: -.06em; line-height: 1.45; }
.title-stop { color: var(--blue); }
.page-intro .eyebrow { color: #bdd4c5; font-size: .6875rem; letter-spacing: .16em; margin-bottom: 1.2rem; }
.page-intro .eyebrow > span { width: .4rem; height: .4rem; border-radius: 50%; background: #d4f3a6; }
.page-intro h1 { max-width: 100%; margin: 0; color: #fbfcf6; font-family: "Aptos Display", "Segoe UI", sans-serif; font-size: clamp(2.1rem, 3.8vw, 3.45rem); line-height: 1.1; font-weight: 700; letter-spacing: -.045em; }
.headline-line { display: block; }
.headline-accent { color: #d4f3a6; }
.intro-description { max-width: 34rem; margin: 1.15rem 0 0; color: #bed0d0; font-size: .9375rem; line-height: 1.8; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: .75rem 1.2rem; margin-top: 1.6rem; }
.hero-actions a { display: inline-flex; align-items: center; justify-content: center; gap: .7rem; min-height: 2.85rem; padding: .65rem 1rem; border: 1px solid transparent; border-radius: 6px; font-size: .8125rem; font-weight: 650; text-decoration: none; }
.hero-primary-cta { color: #142822; background: #d4f3a6; }
.hero-primary-cta:hover { color: #142822; background: #e5ffc3; }
.hero-primary-cta > span { font-size: 1rem; line-height: 1; }
.hero-secondary-cta { color: #e3eddf; padding-left: 0 !important; padding-right: 0 !important; }
.hero-secondary-cta:hover { color: #d4f3a6; }
.hero-capabilities { display: flex; flex-wrap: wrap; gap: .4rem .6rem; margin: 1rem 0 0; color: #96b1b0; font-size: .6875rem; }
.hero-capabilities > span { color: #668c8b; }
.hero-audiences { position: relative; z-index: 1; min-width: 0; padding-left: 2rem; border-left: 1px solid #a6c4b72e; }
.audience-kicker { margin: 0 0 .7rem; color: #95b6aa; font-size: .625rem; letter-spacing: .19em; font-weight: 700; }
.audience-list { list-style: none; margin: 0; padding: 0; }
.audience-list li { display: grid; grid-template-columns: 1.4rem minmax(0, 1fr); gap: .55rem; padding: .9rem 0; border-bottom: 1px solid #a6c4b71c; }
.audience-list li:last-child { padding-bottom: 0; border-bottom: 0; }
.audience-symbol { color: #a9cd8e; font-size: 1.25rem; line-height: 1.25; }
.audience-list h2 { margin: 0; color: #f5f8ef; font-size: .875rem; font-weight: 650; line-height: 1.45; }
.audience-list p { margin: .25rem 0 0; color: #a9c0bc; font-size: .75rem; line-height: 1.6; }
.hero-platforms { position: relative; z-index: 1; grid-column: 1 / -1; display: flex; align-items: center; flex-wrap: wrap; gap: .7rem 1.2rem; padding-top: 1.2rem; border-top: 1px solid #a6c4b72e; }
.hero-platforms > p { margin: 0; color: #93b2ad; font-size: .6875rem; }
.hero-platforms ul { display: flex; align-items: center; flex-wrap: wrap; gap: .5rem 1.2rem; list-style: none; margin: 0; padding: 0; color: #dfe9de; font-size: .8125rem; font-weight: 650; letter-spacing: -.02em; }
.hero-platforms > a { margin-left: auto; color: #bad2bc; font-size: .6875rem; text-decoration: none; }
.hero-platforms > a:hover { color: #d4f3a6; }
.page-intro a:focus-visible { outline-color: #d4f3a6; }

.filter-surface { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 2px 4px #19283e02; }
.platform-strip { padding: .7rem 1.15rem 0; display: flex; align-items: flex-start; gap: 1.1rem; border-bottom: 1px solid var(--line); }
.control-kicker { flex-shrink: 0; font-size: .75rem; font-weight: 500; color: var(--muted); padding: .65rem 0; }
.platform-tabs { display: flex; gap: .75rem; flex-wrap: wrap; align-items: stretch; min-width: 0; }
.platform-tabs button { display: inline-flex; align-items: center; justify-content: center; gap: .4rem; padding: .6rem .35rem .95rem; position: relative; background: transparent; color: #5d6877; font-size: .8125rem; font-weight: 550; min-height: 2.7rem; border-radius: 4px 4px 0 0; }
.platform-tabs button:hover { color: var(--blue); background: #f7f9ff; }
.platform-tabs button[aria-pressed="true"] { color: var(--blue); font-weight: 700; }
.platform-tabs button[aria-pressed="true"]::after { content: ""; position: absolute; height: 3px; background: var(--blue); bottom: -1px; left: .15rem; right: .15rem; border-radius: 3px 3px 0 0; }
.platform-tabs button .platform-dot { width: .375rem; height: .375rem; }
.platform-tabs button svg { width: 15px; height: 15px; }
.filter-toolbar { display: flex; align-items: center; flex-wrap: wrap; gap: .65rem; padding: 1rem 1.15rem; }
.period-field { display: flex; align-items: center; gap: .8rem; margin-right: auto; min-width: 0; }
.period-tabs { display: flex; align-items: stretch; flex-wrap: wrap; min-width: 0; background: #f1f3f6; border: 1px solid #e4e8ee; border-radius: 6px; padding: 3px; }
.period-tabs button { color: #5d6978; background: transparent; border-radius: 4px; padding: .3rem .7rem; font-size: .75rem; line-height: 1.65; min-height: 1.8rem; white-space: normal; }
.period-tabs button:hover { background: #e7ecf4; color: var(--ink); }
.period-tabs button[aria-pressed="true"] { background: var(--paper); color: var(--blue); box-shadow: 0 1px 3px #1823321c; font-weight: 650; }
.field-control { display: flex; align-items: center; position: relative; border: 1px solid var(--line-strong); background: #fff; border-radius: 6px; min-height: 2.3rem; min-width: 0; }
.field-control > svg { width: 15px; height: 15px; margin-left: .65rem; color: var(--muted); }
.field-control:focus-within { border-color: var(--blue); }
.field-control input, .field-control select { border: 0; background: transparent; color: var(--ink); font-size: .75rem; padding: .45rem .6rem; line-height: 1.5; }
.select-control select { padding-right: .4rem; }
.category-control { width: 8rem; }
.category-control select { width: 100%; }
.search-control { width: 14rem; }
.search-control input { width: 100%; min-width: 0; padding-right: 2.1rem; }
.search-control input::placeholder { color: #667180; opacity: 1; }
#clear-search { position: absolute; right: 3px; top: 50%; transform: translateY(-50%); display: grid; place-items: center; padding: .35rem; width: 1.75rem; height: 1.75rem; border-radius: 4px; background: transparent; color: var(--muted); }
#clear-search:hover { background: #edf1f5; color: var(--ink); }
#clear-search svg { width: 14px; height: 14px; }
.reset-button { min-height: 2.3rem; padding: .35rem .45rem; font-size: .75rem; background: transparent; color: #596879; border-radius: 4px; }
.reset-button:hover { color: var(--blue); background: #f0f4ff; }

.hotspots { margin-top: 1.65rem; }
.results-heading { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .8rem; }
.results-heading-main { display: flex; flex-wrap: wrap; align-items: center; gap: .65rem; }
.results-heading h2 { margin: 0; font-size: 1.125rem; line-height: 1.5; font-weight: 750; letter-spacing: -.03em; }
.result-count { font-size: .75rem; color: #59677b; line-height: 1.5; background: #e9edf3; border: 1px solid #e1e6ed; border-radius: 4px; padding: .1rem .45rem; }
.results-tools { display: flex; align-items: center; flex-wrap: wrap; gap: 1rem; }
.observation-note { flex: 1 1 38rem; min-width: 0; display: flex; align-items: baseline; flex-wrap: wrap; gap: .25rem 1rem; color: var(--muted); font-size: .75rem; line-height: 1.7; font-variant-numeric: tabular-nums; }
.data-status-item { display: inline-flex; align-items: baseline; flex-wrap: wrap; gap: .2rem .35rem; }
.data-status-item > span:first-child { color: #536175; font-weight: 650; }
.observation-note a { white-space: nowrap; }
.sort-control { display: flex; align-items: center; gap: .4rem; }
.sort-control label { color: var(--muted); font-size: .75rem; }
.sort-control select { border: 1px solid var(--line-strong); border-radius: 5px; padding: .3rem .3rem .3rem .5rem; background: var(--paper); font-size: .75rem; color: #4d5a6b; min-height: 2rem; }
.results-meta { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .35rem 1rem; margin: .4rem 0 .9rem; color: var(--muted); font-size: .75rem; }
.results-meta p { margin: 0; }
.grouping-note { color: #667180; font-size: .75rem; }
.grouping-note span { display: inline-block; margin-left: .15rem; color: #8492a5; }
.coverage-note:empty { display: none; }
.coverage-note { margin-bottom: .9rem; font-size: .8125rem; }
.coverage-warning, .state-message { border: 1px solid #e8d9b6; background: #fcf8ef; border-radius: 8px; padding: .85rem 1rem; color: #77551c; font-size: .8125rem; line-height: 1.7; }
.coverage-warning p, .state-message p { margin: .25rem 0; }
.coverage-warning strong, .state-message strong { font-weight: 700; }

.board-section { border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); overflow: clip; margin-bottom: 1.1rem; box-shadow: 0 2px 4px #19283e02; container-type: inline-size; container-name: radar-board; }
.board-header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .85rem 1.3rem; background: #fdfdfe; border-bottom: 1px solid var(--line); }
.board-platform { display: flex; align-items: center; flex-wrap: wrap; gap: .5rem; margin: 0; font-size: .875rem; font-weight: 750; line-height: 1.5; letter-spacing: -.015em; }
.platform-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--platform-color, var(--blue)); display: inline-block; flex-shrink: 0; }
.board-count { font-size: .75rem; color: var(--muted); flex-shrink: 0; }
.board-header p, .board-header small { color: var(--muted); font-size: .75rem; margin: 0; }
.topic-list { list-style: none; padding: 0; margin: 0; }
.topic-row { display: grid; grid-template-columns: 2rem minmax(0, 1fr) 7.25rem 4.5rem 5.25rem 5.1rem; align-items: center; column-gap: 1rem; row-gap: .6rem; position: relative; padding: 1.15rem 1.3rem; border-bottom: 1px solid #edf0f4; }
.topic-row:last-child { border-bottom: 0; }
.topic-row:hover { background: #fafbfe; }
.topic-rank { align-self: start; padding-top: .05rem; color: #667180; font-size: 1.25rem; line-height: 1.45; font-weight: 650; font-variant-numeric: tabular-nums; letter-spacing: -.04em; }
.topic-row:nth-child(-n+3) > .topic-rank { color: var(--blue); }
.ranking-scope-heading { margin: 0; padding: .7rem 1rem; font-size: .8125rem; color: var(--muted, #526174); background: var(--blue-soft, #f4f7fb); border-bottom: 1px solid var(--border, #e5e9ef); }
.topic-main { min-width: 0; }
.topic-title { margin: 0; font-size: .9375rem; font-weight: 650; line-height: 1.65; letter-spacing: -.02em; overflow-wrap: anywhere; }
.topic-title a { color: inherit; text-decoration: none; }
.topic-title a:hover { color: var(--blue); }
.topic-original { margin: .15rem 0 0; font-size: .75rem; line-height: 1.55; color: #667180; overflow-wrap: anywhere; }
.topic-meta { display: flex; align-items: center; flex-wrap: wrap; gap: .4rem .6rem; margin-top: .4rem; font-size: .75rem; color: var(--muted); }
.topic-category { display: inline-flex; padding: 0 .4rem; border: 1px solid #e5e9ef; background: #f6f7f9; border-radius: 3px; font-size: .75rem; line-height: 1.65; color: #627083; white-space: nowrap; }
.topic-heat { min-width: 0; font-variant-numeric: tabular-nums; }
.heat-value { display: block; font-size: .9375rem; font-weight: 700; line-height: 1.5; letter-spacing: -.025em; color: #34445c; }
.heat-value small { font-size: .75rem; font-weight: 500; letter-spacing: 0; }
.heat-label { display: block; font-size: .75rem; color: #667180; line-height: 1.6; overflow-wrap: anywhere; }
.heat-track { margin-top: .35rem; height: 3px; background: #edf1f7; border-radius: 3px; max-width: 5rem; overflow: hidden; }
.heat-fill { height: 100%; background: #6d91eb; border-radius: inherit; width: var(--heat, 60%); }
.topic-change { font-size: .75rem; font-weight: 550; color: var(--muted); font-variant-numeric: tabular-nums; }
.topic-change.is-up { color: var(--green); }
.topic-change.is-down { color: var(--red); }
.topic-change.is-new { color: var(--blue-dark); }
.topic-change.is-flat { color: #667180; }
.topic-time { font-size: .75rem; color: #667180; line-height: 1.7; font-variant-numeric: tabular-nums; }
.topic-time time, .topic-time span { display: block; }
.topic-actions { min-width: 0; }
.row-toggle { cursor: pointer; display: flex; align-items: center; justify-content: flex-end; gap: .4rem; list-style: none; font-size: .75rem; color: #56667d; padding: .35rem .1rem; border-radius: 4px; line-height: 1.5; white-space: nowrap; }
.row-toggle::-webkit-details-marker { display: none; }
.row-toggle::after { content: ""; display: inline-block; width: 5px; height: 5px; border: solid currentColor; border-width: 0 1.3px 1.3px 0; transform: rotate(45deg); margin-top: -3px; margin-right: 3px; }
.row-toggle:hover { color: var(--blue); }
.topic-actions[open] { grid-column: 2 / -1; }
.topic-actions[open] > .row-toggle { width: max-content; margin-left: auto; }
.topic-actions[open] > .row-toggle::after { transform: rotate(225deg); margin-top: 3px; }
.topic-detail { margin-top: .5rem; background: #f4f7fc; border: 1px solid #e1e8f5; border-radius: 8px; padding: .85rem 1rem; font-size: .75rem; line-height: 1.8; color: #57677c; overflow-wrap: anywhere; }
.topic-detail p { margin: 0 0 .4rem; }
.topic-detail p:last-child { margin-bottom: 0; }
.topic-detail strong { color: #35455e; font-weight: 650; }
.source-link { display: inline-flex; align-items: center; gap: .3rem; font-weight: 600; color: var(--blue-dark); }
.empty-state { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); text-align: center; padding: 3.7rem 1.5rem; color: var(--muted); }
.empty-state::before { content: ""; width: 38px; height: 38px; display: block; border: 1px solid #d3dcec; background: linear-gradient(90deg, transparent 48%, #c5d3ed 49%, #c5d3ed 51%, transparent 52%), linear-gradient(transparent 48%, #c5d3ed 49%, #c5d3ed 51%, transparent 52%), #f1f5fc; border-radius: 50%; margin: 0 auto 1rem; }
.empty-state h2, .empty-state h3 { font-size: 1rem; color: #35455e; margin: 0 0 .5rem; font-weight: 650; }
.empty-state p { margin: .3rem auto; max-width: 36rem; font-size: .8125rem; }
.empty-state button { margin-top: 1rem; padding: .5rem .9rem; background: var(--blue-soft); border: 1px solid #cdd9f4; color: var(--blue-dark); border-radius: 6px; font-size: .8125rem; }

.board-guide { display: flex; align-items: flex-start; gap: .75rem; padding: 1.2rem 1.25rem; margin-top: .5rem; background: #eef2f7; border: 1px solid #e6ebf2; border-radius: 9px; }
.guide-icon { display: grid; place-items: center; color: #7084a3; width: 1.75rem; height: 1.75rem; flex-shrink: 0; }
.guide-icon svg { width: 20px; height: 20px; }
.board-guide p { margin: 0; font-size: .75rem; line-height: 1.8; color: #5c6b80; }
.board-guide strong { display: block; color: #4c5c74; font-size: .75rem; font-weight: 650; }
.page-footer { display: flex; justify-content: space-between; gap: 1rem; padding: 1.7rem 0 2rem; font-size: .75rem; color: #667180; }
.page-footer p { display: flex; align-items: center; flex-wrap: wrap; gap: .6rem; margin: 0; }
.footer-brand { color: #4c5d76; font-weight: 700; }
.page-footer .footer-meta { display: block; text-align: right; }

.method-dialog { width: min(39rem, calc(100% - 2rem)); max-height: min(88vh, 52rem); margin: auto; padding: 0; border: 1px solid #d9e0eb; border-radius: 15px; color: var(--ink); background: var(--paper); box-shadow: 0 24px 100px #17274740; overflow-y: auto; }
.method-dialog::backdrop { background: #14253d66; backdrop-filter: blur(3px); }
.dialog-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; padding: 1.6rem 1.75rem 1.2rem; border-bottom: 1px solid var(--line); }
.dialog-header h2 { margin: 0; font-size: 1.3rem; letter-spacing: -.04em; line-height: 1.5; }
.dialog-header .eyebrow { margin-bottom: .35rem; font-size: .75rem; }
.close-button { display: grid; place-items: center; width: 2rem; min-height: 2rem; padding: .35rem; border-radius: 5px; background: #f1f3f7; color: #59687e; flex-shrink: 0; }
.close-button:hover { background: #e7ecf4; color: var(--ink); }
.close-button svg { width: 18px; height: 18px; }
.dialog-body { padding: 1.4rem 1.75rem 1.75rem; }
.dialog-notice { margin: 0 0 1.5rem; font-size: .8125rem; line-height: 1.8; color: #38578d; padding: .8rem 1rem; background: var(--blue-soft); border-radius: 7px; }
.method-grid { display: grid; gap: 1.2rem; }
.method-grid section { display: grid; grid-template-columns: 1.7rem 1fr; column-gap: .5rem; }
.method-number { grid-row: span 2; font-size: .75rem; color: var(--blue); font-weight: 700; padding-top: .2rem; font-variant-numeric: tabular-nums; }
.method-grid h3 { margin: 0 0 .25rem; font-size: .8125rem; line-height: 1.6; }
.method-grid p { margin: 0; color: #657187; font-size: .75rem; line-height: 1.9; }
.preview-control { margin-top: 1.5rem; padding-top: 1.2rem; border-top: 1px solid var(--line); display: flex; align-items: center; gap: .7rem; flex-wrap: wrap; }
.preview-control label { font-size: .75rem; font-weight: 600; }
.preview-control select { border: 1px solid var(--line-strong); border-radius: 5px; background: #fff; padding: .35rem .5rem; font-size: .75rem; color: #4e5d73; }
.preview-control p { flex: 1 0 100%; font-size: .75rem; color: var(--muted); margin: 0; }

@media (min-width: 1400px) {
  .platform-tabs { gap: 1.25rem; }
  .platform-tabs button { padding-left: .5rem; padding-right: .5rem; }
}
@media (max-width: 1100px) {
  .header-inner, .banner-inner { padding-left: 2rem; padding-right: 2rem; }
  .page-shell { padding-left: 2rem; padding-right: 2rem; }
  .page-intro { padding: 2.2rem 2rem 1.3rem; gap: 2rem 1.7rem; }
  .hero-audiences { padding-left: 1.4rem; }
  .cadence { min-width: 18rem; }
  .period-field { flex: 1 0 100%; }
  .search-control { flex: 1; width: auto; }
  .topic-row { grid-template-columns: 1.65rem minmax(0, 1fr) 6.3rem 3.7rem 4.6rem; column-gap: .8rem; }
  .topic-time { display: none; }
  .topic-actions { grid-column: 5; }
  .topic-actions[open] { grid-column: 2 / -1; }
}
@media (max-width: 950px) {
  .page-intro { grid-template-columns: minmax(0, 1fr); }
  .page-intro h1 { font-size: clamp(2.4rem, 5.7vw, 3.2rem); }
  .hero-audiences { padding: 0; border-left: 0; }
  .audience-kicker { margin-bottom: .5rem; }
  .audience-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.2rem; }
  .audience-list li { border-bottom: 0; padding: .3rem 0; }
  .hero-platforms > a { margin-left: 0; }
}
@media (max-width: 800px) {
  .header-inner, .banner-inner { padding-left: 1.5rem; padding-right: 1.5rem; }
  .header-inner { gap: 2rem; }
  .local-preview { display: none; }
  .page-shell { padding: 2rem 1.5rem 0; }
  .page-intro { margin-bottom: 1.5rem; padding: 1.75rem; }
  .page-intro h1 { font-size: clamp(2rem, 6.4vw, 2.9rem); }
  .cadence-heading { gap: .5rem; flex-wrap: wrap; }
  .cadence-times { gap: .3rem; }
  .cadence-times > span { padding: .15rem .4rem; }
  .cadence-note { max-width: none; }
  h1 { font-size: 1.95rem; }
  .intro-description { font-size: .875rem; max-width: 34rem; }
  .hero-footnote { font-size: .75rem; }
  .platform-strip { padding: .65rem .9rem 0; gap: .7rem; }
  .platform-tabs { gap: .25rem .75rem; }
  .platform-tabs button { font-size: .75rem; padding: .5rem .1rem .8rem; }
  .filter-toolbar { padding: .8rem .9rem; }
  .results-tools { gap: .7rem; }
  .results-heading { gap: .6rem; }
  .observation-note { display: block; }
  .board-header { padding: .8rem 1rem; }
  .topic-row { padding: 1rem; grid-template-columns: 1.5rem minmax(0, 1fr) 5.75rem 4.7rem; column-gap: .7rem; }
  .topic-change { grid-column: 3; }
  .topic-actions { grid-column: 4; }
  .topic-main { grid-column: 2; grid-row: span 2; }
  .topic-heat { grid-column: 3; }
  .topic-actions[open] { grid-column: 2 / -1; }
  .topic-title { font-size: .9375rem; }
  .topic-original { font-size: .75rem; }
  .page-footer { flex-wrap: wrap; gap: .5rem; }
  .page-footer .footer-meta { text-align: left; }
}
@media (max-width: 600px) {
  .header-inner { min-height: 4.1rem; gap: 1rem; padding: .6rem 1rem; flex-wrap: wrap; }
  .header-nav { margin-left: .2rem; }
  .header-nav a { font-size: .75rem; }
  .header-nav .nav-current::after { bottom: -.6rem; }
  .brand-mark { width: 28px; height: 28px; }
  .brand-wordmark { font-size: 1.18rem; }
  .brand { gap: .45rem; }
  .header-actions { gap: 0; }
  .method-button { font-size: .75rem; gap: .25rem; }
  .method-button svg { width: 14px; height: 14px; }
  .banner-inner { padding: .4rem .75rem; gap: .35rem; font-size: .75rem; }
  .page-shell { padding: 1.65rem 1rem 0; }
  .page-intro { display: grid; margin-bottom: 1.4rem; padding: 1.6rem 1.25rem 1.2rem; border-radius: 14px; }
  .page-intro h1 { font-size: clamp(1.8rem, 7.5vw, 2.5rem); line-height: 1.13; }
  .header-explore { display: none; }
  .eyebrow { font-size: .75rem; }
  h1 { font-size: 2rem; letter-spacing: -.065em; }
  .intro-description { font-size: .8125rem; max-width: none; }
  .hero-footnote { display: block; margin-top: .8rem; font-size: .75rem; }
  .page-intro { gap: 1.6rem; }
  .page-intro .eyebrow { font-size: .6rem; letter-spacing: .1em; margin-bottom: 1rem; }
  .hero-actions { gap: .5rem .9rem; margin-top: 1.25rem; }
  .hero-actions a { font-size: .75rem; }
  .hero-capabilities { font-size: .625rem; }
  .audience-list { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .audience-list li { padding: .7rem 0; border-bottom: 1px solid #a6c4b71c; }
  .hero-platforms { gap: .7rem; padding-top: 1rem; }
  .hero-platforms > p { flex-basis: 100%; }
  .hero-platforms ul { gap: .6rem 1rem; font-size: .75rem; }
  .hero-platforms > a { flex-basis: 100%; margin-top: .2rem; }
  .cadence { display: block; width: 100%; border: 1px solid #d9e8f52b; border-radius: 11px; padding: .85rem; margin-top: 1.05rem; }
  .cadence-heading { gap: .6rem; }
  .cadence-label { font-size: .75rem; }
  .cadence-interval { font-size: .75rem; }
  .cadence-times { margin: 0; gap: .25rem; }
  .cadence-times > span { font-size: .75rem; padding: .1rem .35rem; }
  .cadence-note { max-width: none; flex-basis: 100%; font-size: .75rem; }
  .filter-surface { border-radius: 9px; }
  .platform-strip { padding: .65rem .75rem .55rem; display: block; }
  .platform-strip > .control-kicker { display: none; }
  .platform-tabs { gap: .3rem .45rem; }
  .platform-tabs button { padding: .4rem .5rem; border-radius: 5px; font-size: .75rem; min-height: 2rem; }
  .platform-tabs button[aria-pressed="true"] { background: var(--blue-soft); }
  .platform-tabs button[aria-pressed="true"]::after { display: none; }
  .filter-toolbar { padding: .7rem .75rem; gap: .65rem .5rem; }
  .period-field { gap: .5rem; min-width: 0; }
  .period-field > .control-kicker { display: none; }
  .period-tabs { flex: 1; justify-content: space-between; min-width: 0; flex-wrap: wrap; }
  .period-tabs button { flex: 1; padding: .3rem .25rem; font-size: .75rem; min-width: 0; white-space: normal; overflow-wrap: anywhere; }
  .category-control { flex: 0 0 6.9rem; width: 6.9rem; }
  .field-control { min-height: 2.3rem; }
  .field-control input, .field-control select { font-size: .75rem; }
  .field-control > svg { width: 13px; height: 13px; margin-left: .5rem; }
  .search-control { flex: 1 1 7rem; }
  .search-control input { padding-left: .4rem; }
  .reset-button { font-size: .75rem; padding-left: .15rem; padding-right: .15rem; }
  .hotspots { margin-top: 1.3rem; }
  .results-heading-main { gap: .5rem; }
  .results-heading h2 { font-size: 1rem; }
  .result-count { font-size: .75rem; }
  .results-tools { justify-content: space-between; flex: 1 0 100%; gap: .5rem; }
  .observation-note { font-size: .75rem; }
  .sort-control label { display: none; }
  .sort-control select { font-size: .75rem; min-height: 1.8rem; }
  .results-meta { margin: .55rem 0 .65rem; font-size: .75rem; }
  .grouping-note { display: none; }
  .board-section { border-radius: 9px; margin-bottom: .8rem; }
  .board-header { padding: .75rem .8rem; flex-wrap: wrap; gap: .3rem .7rem; }
  .board-platform { font-size: .8125rem; }
  .board-count { font-size: .75rem; min-width: 0; flex-shrink: 1; }
  .topic-row { grid-template-columns: 1.2rem minmax(0, 1fr) auto; column-gap: .6rem; row-gap: .5rem; padding: 1rem .8rem .85rem; }
  .topic-rank { grid-column: 1; grid-row: 1; font-size: 1rem; }
  .topic-main { grid-column: 2 / -1; grid-row: 1; }
  .topic-title { font-size: .9375rem; line-height: 1.7; }
  .topic-original { font-size: .75rem; margin-top: .25rem; }
  .topic-meta { margin-top: .4rem; }
  .topic-category { font-size: .75rem; }
  .topic-heat { grid-column: 2; grid-row: 2; display: flex; align-items: baseline; flex-wrap: wrap; gap: .2rem .35rem; }
  .heat-value { font-size: .8125rem; line-height: 1.5; }
  .heat-label { font-size: .75rem; }
  .heat-track { display: none; }
  .topic-change { grid-column: 3; grid-row: 2; text-align: right; font-size: .75rem; }
  .topic-time { display: block; grid-column: 2; grid-row: 3; font-size: .75rem; }
  .topic-time time, .topic-time span { display: inline; }
  .topic-actions { grid-column: 3; grid-row: 3; }
  .topic-actions[open] { grid-column: 1 / -1; grid-row: auto; }
  .row-toggle { font-size: .75rem; padding: .3rem .1rem; }
  .topic-detail { padding: .7rem .8rem; font-size: .75rem; }
  .board-guide { padding: .85rem .8rem; gap: .5rem; }
  .board-guide p { font-size: .75rem; }
  .board-guide strong { font-size: .75rem; }
  .page-footer { padding: 1.3rem 0 1.5rem; font-size: .75rem; }
  .method-dialog { width: calc(100% - 1.5rem); max-height: 90vh; border-radius: 12px; }
  .dialog-header { padding: 1.2rem 1.1rem 1rem; }
  .dialog-header h2 { font-size: 1.125rem; }
  .dialog-body { padding: 1.1rem; }
  .dialog-notice { padding: .7rem .8rem; font-size: .75rem; }
}
@media (max-width: 360px) {
  .header-inner { gap: .6rem; }
  .header-nav { display: flex; flex-wrap: wrap; gap: .8rem; }
  .page-intro { padding: 1.35rem 1rem 1rem; gap: 1.2rem; }
  .page-intro h1 { font-size: 1.55rem; letter-spacing: -.04em; }
  .hero-capabilities { display: none; }
  .page-shell { padding-left: .8rem; padding-right: .8rem; }
  h1 { font-size: 1.75rem; }
  .cadence-heading { flex-basis: 100%; justify-content: flex-start; }
  .period-tabs button { font-size: .75rem; }
  .category-control { flex-basis: 6.7rem; width: 6.7rem; }
  .search-control { flex-basis: 7rem; }
  .reset-button { flex-basis: 100%; text-align: right; min-height: 1.8rem; padding-top: 0; padding-bottom: 0; }
}
/* Compare available space with the current text size, so enlarged type can
   reflow without changing the normal desktop and phone arrangements. */
@media (min-width: 601px) {
  @container radar-board (max-width: 42rem) {
    .topic-row { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; }
    .topic-rank { flex: 0 0 2rem; }
    .topic-main { flex: 1 1 calc(100% - 3rem); min-width: 0; }
    .topic-heat { flex: 1 1 11rem; margin-left: 2.75rem; }
    .topic-change { flex: 0 1 auto; }
    .topic-time { display: block; flex: 0 1 auto; }
    .topic-actions { flex: 0 1 auto; margin-left: auto; }
    .topic-actions[open] { flex: 1 1 100%; width: 100%; margin-left: 0; }
  }
}
@media (max-width: 600px) {
  @container radar-board (max-width: 16rem) {
    .topic-row { grid-template-columns: 1.2rem minmax(0, 1fr); column-gap: .6rem; row-gap: .55rem; }
    .topic-rank { grid-column: 1; grid-row: 1; }
    .topic-main { grid-column: 2; grid-row: 1; }
    .topic-heat { grid-column: 1 / -1; grid-row: 2; display: block; margin-top: .25rem; }
    .heat-value { white-space: nowrap; }
    .heat-label { overflow-wrap: normal; margin-top: .15rem; }
    .topic-change { grid-column: 1 / -1; grid-row: 3; text-align: left; }
    .topic-time { grid-column: 1 / -1; grid-row: 4; }
    .topic-actions, .topic-actions[open] { grid-column: 1 / -1; grid-row: 5; }
    .row-toggle { justify-content: flex-start; }
    .topic-actions[open] > .row-toggle { margin-left: 0; }
  }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* Explorer: keep the reading list primary; personal tools open on demand. */
.explorer-navigation { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .8rem 1.5rem; margin-bottom: 1rem; }
.mode-tabs, .view-tabs { display: flex; flex-wrap: wrap; align-items: center; gap: .25rem; min-width: 0; }
.mode-tabs { border-bottom: 1px solid #dce2eb; gap: 1.4rem; }
.mode-tabs button { position: relative; display: flex; align-items: baseline; flex-wrap: wrap; gap: .45rem; background: transparent; padding: .65rem .1rem .75rem; min-height: 2.75rem; color: #596879; font-size: .9375rem; font-weight: 650; }
.mode-tabs button span { font-size: .625rem; letter-spacing: .1em; font-weight: 600; }
.mode-tabs button[aria-pressed="true"] { color: var(--blue-dark); }
.mode-tabs button[aria-pressed="true"]::after { content: ""; position: absolute; height: 3px; border-radius: 3px 3px 0 0; bottom: -1px; left: 0; right: 0; background: var(--blue); }
.mode-tabs button:hover { color: var(--blue); }
.view-tabs { gap: .25rem; }
.view-tabs button { display: inline-flex; align-items: center; flex-wrap: wrap; justify-content: center; gap: .35rem; background: transparent; border: 1px solid transparent; border-radius: 6px; color: #596879; padding: .45rem .7rem; min-height: 2.4rem; font-size: .75rem; }
.view-tabs button:hover { background: #edf1f8; color: var(--ink); }
.view-tabs button[aria-pressed="true"] { border-color: #cad6ef; background: #edf2ff; color: var(--blue-dark); font-weight: 650; }
.tab-count { display: inline-flex; align-items: center; justify-content: center; min-width: 1.2rem; padding: .05rem .25rem; border-radius: 4px; background: #e5eaf2; color: #4f617a; font-size: .75rem; line-height: 1.4; font-variant-numeric: tabular-nums; }
.view-tabs button[aria-pressed="true"] .tab-count { color: var(--blue-dark); background: #dce7ff; }
.filter-secondary { display: flex; align-items: flex-start; justify-content: space-between; flex-wrap: wrap; gap: .5rem 1rem; margin: 0 1.15rem; padding: .65rem 0; border-top: 1px solid #edf0f4; }
.advanced-filters { flex: 1 1 18rem; min-width: 0; }
.advanced-filters-toggle { display: flex; align-items: center; flex-wrap: wrap; gap: .35rem .5rem; width: fit-content; min-height: 2.1rem; padding: .25rem .15rem; color: #4e617c; font-size: .75rem; font-weight: 600; list-style: none; cursor: pointer; border-radius: 4px; }
.advanced-filters-toggle::-webkit-details-marker { display: none; }
.advanced-filters-toggle::before { content: ""; display: block; width: 5px; height: 5px; border: solid currentColor; border-width: 0 1.5px 1.5px 0; transform: rotate(45deg); margin: -.2rem .2rem 0 .15rem; }
.advanced-filters[open] .advanced-filters-toggle::before { transform: rotate(225deg); margin-top: .15rem; }
.advanced-filters-toggle:hover { color: var(--blue-dark); background: #f2f5fc; }
.advanced-filters-hint { font-size: .75rem; font-weight: 400; color: #667180; }
.advanced-filters[open] .refine-fields { margin-top: .6rem; }
.refine-fields { display: flex; align-items: center; flex-wrap: wrap; gap: .65rem 1.1rem; min-width: 0; }
.refine-field { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem; min-width: 0; }
.refine-field label { font-size: .75rem; color: var(--muted); }
.refine-field select { border: 1px solid var(--line-strong); border-radius: 5px; min-height: 2rem; padding: .25rem .35rem .25rem .5rem; color: #4c5b70; background: var(--paper); font-size: .75rem; max-width: 100%; }
.checkbox-control { display: inline-flex; align-items: center; gap: .4rem; font-size: .75rem; color: #4c5b70; cursor: pointer; }
.checkbox-control input { width: 1rem; height: 1rem; margin: 0; accent-color: var(--blue); flex-shrink: 0; }
.save-follow-button { display: inline-flex; align-items: center; justify-content: center; gap: .25rem; min-height: 2.1rem; padding: .35rem .45rem; color: var(--blue-dark); font-size: .75rem; font-weight: 600; background: transparent; border-radius: 5px; }
.save-follow-button svg { width: 15px; height: 15px; }
.save-follow-button:hover { background: var(--blue-soft); }
.storage-note { margin: .75rem 0; padding: .75rem 1rem; border: 1px solid #e8d9b6; border-radius: 7px; color: #77551c; background: #fcf8ef; font-size: .8125rem; }
.personal-tools { margin-top: .8rem; border: 1px solid #e0e5ed; border-radius: 8px; background: #f2f4f8; }
.personal-tools-toggle { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .5rem 1rem; padding: .6rem 1rem; cursor: pointer; list-style: none; border-radius: 7px; }
.personal-tools-toggle::-webkit-details-marker { display: none; }
.personal-tools-toggle::after { content: ""; display: block; width: 6px; height: 6px; border: solid #526581; border-width: 0 1.5px 1.5px 0; transform: rotate(45deg); margin: 0 .15rem .2rem 0; }
.personal-tools[open] > .personal-tools-toggle::after { transform: rotate(225deg); margin-top: .3rem; }
.personal-tools-toggle:hover { background: #eaf0f9; }
.personal-tools-title { display: flex; align-items: baseline; flex-wrap: wrap; gap: .35rem .6rem; color: #3e516d; font-size: .8125rem; font-weight: 650; }
.personal-tools-hint { color: #5e6f85; font-size: .75rem; font-weight: 400; }
.personal-tools-trailing { display: flex; align-items: center; flex-wrap: wrap; gap: .5rem; margin-left: auto; }
.update-count { color: var(--blue-dark); background: #e0e9ff; border: 1px solid #c8d6f4; border-radius: 4px; font-size: .75rem; min-width: 1.2rem; line-height: 1.5; padding: .05rem .3rem; text-align: center; font-variant-numeric: tabular-nums; }
.local-only { font-size: .75rem; color: #596b83; }
.personal-tools-content { padding: 1rem; border-top: 1px solid #e0e5ed; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem 1.5rem; background: #fff; border-radius: 0 0 7px 7px; }
.personal-section { min-width: 0; }
.personal-section-heading { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: .25rem .75rem; margin-bottom: .55rem; }
.personal-section-heading h2 { font-size: .8125rem; margin: 0; line-height: 1.6; }
.personal-section-heading > span { font-size: .75rem; color: var(--muted); }
.personal-description, .personal-empty { color: #5e6d82; font-size: .75rem; line-height: 1.8; margin: .3rem 0 .6rem; }
.saved-filters, .updates-panel { min-width: 0; }
.saved-filter-item { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .35rem .75rem; padding: .65rem .7rem; background: #f6f8fc; border: 1px solid #e2e8f1; border-radius: 6px; margin-top: .5rem; font-size: .75rem; overflow-wrap: anywhere; }
.saved-filter-item > :first-child { min-width: 0; flex: 1 1 9rem; }
.saved-filter-item p { margin: .2rem 0 0; color: #5e6d82; font-size: .75rem; }
.saved-filter-actions { display: flex; flex-wrap: wrap; gap: .2rem .5rem; align-items: center; }
.saved-filter-actions button, .text-button { color: var(--blue-dark); background: transparent; min-height: 2rem; padding: .2rem .25rem; border-radius: 4px; font-size: .75rem; }
.saved-filter-actions button:hover, .text-button:hover { color: var(--blue); background: var(--blue-soft); }
.update-list { list-style: none; padding: 0; margin: .4rem 0 0; max-height: 20rem; overflow-y: auto; overscroll-behavior: contain; }
.update-item { padding: .55rem 0; border-top: 1px solid #e8edf4; font-size: .75rem; color: #3e516d; overflow-wrap: anywhere; }
.update-item p { margin: .2rem 0 0; font-size: .75rem; color: #5e6d82; }
.update-status { display: inline-block; margin-left: .4rem; font-size: .75rem; font-weight: 600; color: var(--green); }
.local-data-actions { display: flex; align-items: center; flex-wrap: wrap; gap: .2rem .8rem; grid-column: 1 / -1; border-top: 1px solid var(--line); padding-top: .75rem; }
.local-data-actions p { flex: 1 1 18rem; margin: 0; color: var(--muted); font-size: .75rem; line-height: 1.8; }
.danger-button { color: #984039; }
.danger-button:hover { color: #89332d; background: #fff0ed; }
.result-actions { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .4rem 1rem; margin: -.2rem 0 .8rem; font-size: .75rem; color: var(--muted); }
.result-actions p { margin: 0; }
.export-actions { display: flex; align-items: center; flex-wrap: wrap; gap: .35rem; }
.export-actions > span { margin-right: .2rem; }
.export-button { background: var(--paper); border: 1px solid var(--line-strong); border-radius: 4px; color: #526581; min-height: 1.9rem; padding: .2rem .55rem; font-size: .75rem; line-height: 1.5; }
.export-button:hover { border-color: var(--blue); color: var(--blue-dark); background: #f0f5ff; }
.row-utilities { display: flex; align-items: center; flex-wrap: wrap; gap: .2rem .6rem; margin-top: .55rem; min-width: 0; }
.row-action { display: inline-flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: .3rem; background: transparent; color: #536682; padding: .2rem .3rem; min-height: 1.9rem; border-radius: 4px; font-size: .75rem; line-height: 1.55; }
.row-action svg { width: 14px; height: 14px; }
.row-action:hover { color: var(--blue-dark); background: #edf2fc; }
.favorite-button[aria-pressed="true"] { color: var(--blue-dark); background: #eaf0ff; }
.topic-tags, .related-topics { display: flex; flex-wrap: wrap; align-items: center; gap: .3rem; min-width: 0; margin-top: .45rem; }
.tag-link { display: inline-flex; align-items: center; max-width: 100%; min-height: 1.6rem; overflow-wrap: anywhere; color: #2856aa; background: #edf3ff; border: 1px solid #dce6f8; padding: .1rem .4rem; border-radius: 4px; text-decoration: none; font-size: .75rem; line-height: 1.7; }
.tag-link:hover { color: var(--blue-dark); border-color: #b7c9ee; background: #e3ecff; }
.related-topics > span, .topic-tags > span { color: #5f6f85; font-size: .75rem; }
.copy-fallback { display: block; width: 100%; margin-top: .4rem; padding: .45rem .6rem; color: var(--ink); background: #fff; border: 1px solid var(--line-strong); border-radius: 5px; font-size: .8125rem; }
.page-footer { flex-wrap: wrap; }
.footer-links { display: flex; align-items: center; flex-wrap: wrap; gap: .45rem 1rem; flex: 1 1 100%; border-top: 1px solid #e1e6ed; padding-top: 1rem; margin-top: .35rem; font-size: .75rem; line-height: 1.8; }
.footer-links a { color: #596b83; text-decoration: none; }
.footer-links a:hover { color: var(--blue-dark); text-decoration: underline; }
.dialog-description { margin: 0 0 1.2rem; color: #53657e; font-size: .8125rem; line-height: 1.9; }
.save-dialog { width: min(31rem, calc(100% - 2rem)); }
.input-label { display: block; margin: 0 0 .4rem; font-size: .8125rem; font-weight: 600; }
.dialog-input { width: 100%; border: 1px solid var(--line-strong); border-radius: 6px; background: #fff; color: var(--ink); font-size: .9375rem; line-height: 1.6; padding: .6rem .7rem; }
.dialog-input::placeholder { color: #667180; opacity: 1; }
.input-error { margin: .45rem 0; color: #a13e36; font-size: .8125rem; }
.input-error:empty { display: none; }
.dialog-storage-note { font-size: .75rem; color: #647187; margin: .6rem 0 1.2rem; }
.dialog-actions { display: flex; justify-content: flex-end; align-items: center; flex-wrap: wrap; gap: .6rem; margin-top: 1.1rem; }
.primary-button, .secondary-button { display: inline-flex; align-items: center; justify-content: center; min-height: 2.6rem; border: 1px solid var(--blue); padding: .5rem 1rem; border-radius: 6px; background: var(--blue); color: #fff; font-size: .8125rem; font-weight: 600; text-decoration: none; }
.primary-button:hover { background: var(--blue-dark); border-color: var(--blue-dark); }
.secondary-button { background: #fff; border-color: var(--line-strong); color: #53657e; }
.secondary-button:hover { background: #f0f4fb; color: var(--ink); }
.history-dialog { width: min(44rem, calc(100% - 2rem)); }
.history-content > p { margin: 0 0 1rem; font-size: .8125rem; color: #53657e; line-height: 1.8; }
.history-chart { width: 100%; height: auto; display: block; background: #f7f9fd; border: 1px solid #e2e8f1; border-radius: 8px; margin: .8rem 0 1.1rem; overflow: visible; }
.history-chart text { fill: #526581; font-size: 12px; font-family: inherit; }
.history-table { width: 100%; border-collapse: collapse; font-size: .8125rem; font-variant-numeric: tabular-nums; }
.history-table caption { text-align: left; color: #53657e; font-size: .75rem; padding-bottom: .6rem; }
.history-table th, .history-table td { padding: .55rem .7rem; border-bottom: 1px solid var(--line); text-align: left; overflow-wrap: anywhere; }
.history-table th { background: #f4f6fa; color: #475c79; font-size: .75rem; font-weight: 650; }
.history-empty { background: #fcf8ef; border: 1px solid #e8d9b6; border-radius: 7px; padding: .85rem 1rem; color: #77551c; font-size: .8125rem; }
.toast { position: fixed; z-index: 200; bottom: 1.5rem; left: 50%; transform: translateX(-50%); width: max-content; max-width: min(35rem, calc(100% - 2rem)); padding: .7rem 1rem; border: 1px solid #30445f; background: #243650; color: #fff; border-radius: 8px; box-shadow: 0 6px 25px #14253d2b; font-size: .8125rem; line-height: 1.7; overflow-wrap: anywhere; }

/* Information pages share the same local, readable product foundation. */
body[data-page] .header-inner { flex-wrap: wrap; gap: .75rem 2rem; }
body[data-page] .header-nav { display: flex; flex-wrap: wrap; align-self: center; gap: .3rem 1.2rem; min-width: 0; margin-right: auto; }
body[data-page] .header-nav a { align-self: center; padding: .35rem .1rem; min-height: 2.4rem; }
.info-page { max-width: 62rem; margin: 0 auto; padding: 2.6rem 3rem 0; }
.info-header { padding-bottom: 1.8rem; border-bottom: 1px solid #dce2eb; margin-bottom: 1.5rem; }
.info-header h1 { font-size: clamp(1.8rem, 3vw, 2.4rem); line-height: 1.45; letter-spacing: -.045em; overflow-wrap: anywhere; }
.info-lead { max-width: 44rem; font-size: 1rem; color: #4e617c; margin: .8rem 0; line-height: 1.9; }
.info-meta { color: #667180; font-size: .75rem; margin: .7rem 0 0; }
.info-content { font-size: .9375rem; line-height: 1.95; overflow-wrap: anywhere; }
.info-content > :first-child { margin-top: 0; }
.info-content p { margin: .7rem 0; }
.info-content h2 { color: var(--ink); font-size: 1.2rem; line-height: 1.6; letter-spacing: -.025em; margin: 0 0 .7rem; }
.info-content h3 { font-size: 1rem; line-height: 1.7; margin: 1.2rem 0 .4rem; }
.info-content ul, .info-content ol { padding-left: 1.45rem; margin: .7rem 0; }
.info-content li { padding-left: .15rem; margin: .35rem 0; }
.info-content a { overflow-wrap: anywhere; }
.info-section { margin: 1.8rem 0; padding-bottom: 1.3rem; border-bottom: 1px solid #e3e8ef; scroll-margin-top: 1rem; }
.info-section:last-child { border-bottom: 0; }
.info-toc { display: flex; flex-wrap: wrap; gap: .5rem .8rem; margin: 0 0 1.8rem; padding: 1rem 1.2rem; background: #eef2f8; border: 1px solid #e0e7f1; border-radius: 8px; font-size: .8125rem; }
.info-toc > strong, .info-toc > h2 { color: #435977; width: 100%; font-size: .8125rem; margin: 0 0 .2rem; }
.info-toc a { color: #315895; text-decoration: none; }
.info-toc a:hover { text-decoration: underline; }
.info-callout { padding: 1rem 1.2rem; border: 1px solid #d6e1f8; background: #edf3ff; border-radius: 8px; color: #355687; margin: 1rem 0; font-size: .875rem; line-height: 1.9; }
.info-callout p { margin: .35rem 0; }
.info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr)); gap: 1rem; margin: 1rem 0; }
.contact-card { padding: 1.2rem; background: #fff; border: 1px solid #dce4ef; border-radius: 9px; min-width: 0; }
.contact-card h2, .contact-card h3 { margin-top: 0; }
.contact-card > p:last-child { margin-bottom: 0; }
.info-table { width: 100%; border-collapse: collapse; font-size: .8125rem; margin: 1rem 0; line-height: 1.8; }
.info-table caption { color: #526581; text-align: left; padding-bottom: .6rem; }
.info-table th, .info-table td { padding: .7rem; text-align: left; border: 1px solid #dce3ec; vertical-align: top; overflow-wrap: anywhere; }
.info-table th { color: #405878; background: #edf2f9; font-size: .75rem; font-weight: 650; }
.info-table td { background: #fff; }
.info-table-wrap { max-width: 100%; overflow-x: auto; overscroll-behavior-x: contain; }
.info-table-wrap .info-table { min-width: 42rem; }
.info-code, .info-content pre { max-width: 100%; overflow-x: auto; border: 1px solid #d9e2f0; border-radius: 8px; background: #eff3fa; color: #2d476d; padding: 1rem; font-family: Consolas, "SFMono-Regular", monospace; font-size: .8125rem; line-height: 1.8; white-space: pre; tab-size: 2; }
.info-content :not(pre) > code { font-family: Consolas, "SFMono-Regular", monospace; font-size: .875em; color: #315788; background: #e9eff8; border-radius: 3px; padding: .12em .25em; overflow-wrap: anywhere; }
.info-form { display: grid; gap: 1rem; margin: 1.2rem 0; min-width: 0; }
.info-form label { display: grid; gap: .4rem; min-width: 0; font-size: .875rem; font-weight: 600; }
.info-form input, .info-form textarea, .info-form select { width: 100%; min-width: 0; border: 1px solid var(--line-strong); border-radius: 6px; color: var(--ink); background: #fff; font-size: .9375rem; font-weight: 400; padding: .65rem .75rem; line-height: 1.7; }
.info-form textarea { resize: vertical; min-height: 9rem; }
.info-confirm { display: block; margin: 1rem 0; color: #4e617c; font-size: .875rem; line-height: 1.9; }
.info-confirm input[type="checkbox"] { display: inline-block; width: 1rem; height: 1rem; margin: 0 .4rem 0 0; padding: 0; vertical-align: -.1rem; accent-color: var(--blue); }
#contact-draft-output textarea, #contact-draft-text { display: block; width: 100%; max-width: 100%; min-width: 0; min-height: 10rem; resize: vertical; margin-top: .4rem; border: 1px solid var(--line-strong); border-radius: 6px; color: var(--ink); background: #fff; font: inherit; font-size: .9375rem; padding: .65rem .75rem; line-height: 1.7; }
.info-form input::placeholder, .info-form textarea::placeholder { color: #667180; opacity: 1; }
.info-form small { color: #5d6f87; font-size: .75rem; font-weight: 400; }
.info-actions { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem 1rem; margin: .75rem 0; }
.info-actions .method-button, .info-actions .reset-button { display: inline-flex; justify-content: center; min-height: 2.6rem; padding: .5rem .9rem; border: 1px solid var(--line-strong); background: #fff; border-radius: 6px; color: #315788; white-space: normal; }
.info-actions .method-button:hover, .info-actions .reset-button:hover { color: var(--blue-dark); border-color: var(--blue); background: #edf2ff; }
.info-status { color: #355687; font-size: .8125rem; line-height: 1.8; margin: .7rem 0; overflow-wrap: anywhere; }
.info-status:empty { display: none; }
.info-footer { padding: 1.5rem 0 2rem; margin-top: 2rem; border-top: 1px solid #dce2eb; color: #667180; font-size: .75rem; }
.info-footer p { margin: 0 0 .7rem; }
.info-footer nav { display: flex; flex-wrap: wrap; align-items: center; gap: .45rem 1rem; }
.info-footer a { color: #526581; text-decoration: none; }
.info-footer a:hover { color: var(--blue-dark); text-decoration: underline; }

@media (max-width: 800px) {
  .explorer-navigation { gap: .7rem 1rem; }
  .mode-tabs { gap: 1.1rem; }
  .filter-secondary { margin-left: .9rem; margin-right: .9rem; gap: .5rem; }
  .refine-fields { gap: .6rem .8rem; }
  .personal-tools-content { grid-template-columns: 1fr; }
  .info-page { padding: 2rem 1.5rem 0; }
}
@media (max-width: 600px) {
  body[data-page] .header-inner { padding-top: .8rem; padding-bottom: .65rem; gap: .5rem 1rem; }
  body[data-page] .header-nav { display: flex; flex: 1 0 100%; order: 2; margin: 0; gap: .3rem 1rem; }
  body[data-page] .header-nav a { font-size: .75rem; min-height: 2rem; padding: .25rem .1rem; }
  .explorer-navigation { display: block; margin-bottom: .8rem; }
  .mode-tabs { gap: 1.4rem; margin-bottom: .7rem; }
  .mode-tabs button { font-size: .9375rem; padding-bottom: .6rem; }
  .mode-tabs button span { font-size: .625rem; }
  .view-tabs { gap: .3rem; }
  .view-tabs button { padding: .35rem .65rem; flex: 1 1 auto; font-size: .75rem; }
  .filter-secondary { margin: 0 .75rem; padding: .65rem 0; display: flex; align-items: flex-start; gap: .65rem .4rem; }
  .advanced-filters { flex: 1 1 7rem; }
  .advanced-filters[open] { flex-basis: 100%; }
  .advanced-filters-hint { display: none; }
  .advanced-filters-toggle { min-height: 2.4rem; }
  .refine-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .65rem .6rem; }
  .refine-field { display: grid; gap: .25rem; }
  .refine-field label { font-size: .75rem; }
  .refine-field select { width: 100%; min-height: 2.2rem; padding: .35rem .4rem; }
  .checkbox-control { align-self: end; min-height: 2.2rem; font-size: .75rem; }
  .save-follow-button { width: auto; max-width: 100%; margin-top: 0; padding: .45rem .65rem; border: 1px solid #cad6ef; background: #f6f8fe; min-height: 2.4rem; }
  .advanced-filters[open] + .save-follow-button { width: 100%; }
  .personal-tools-toggle { padding: .65rem .75rem; column-gap: .5rem; }
  .personal-tools-hint { display: block; flex-basis: 100%; font-size: .75rem; }
  .personal-tools-trailing { margin-left: auto; }
  .local-only { display: none; }
  .personal-tools-content { padding: .8rem .75rem; gap: 1rem; }
  .personal-section-heading { align-items: center; }
  .saved-filter-item { align-items: flex-start; padding: .6rem; }
  .saved-filter-actions { margin-left: auto; }
  .local-data-actions { gap: .25rem .7rem; }
  .local-data-actions p { flex-basis: 100%; }
  .result-actions { margin-top: 0; gap: .55rem; }
  .result-actions p { flex-basis: 100%; }
  .export-button { min-height: 2rem; }
  .row-utilities { gap: .2rem .35rem; margin-top: .45rem; }
  .row-action { padding: .2rem .25rem; min-height: 2rem; }
  .footer-links { gap: .6rem .85rem; padding-top: .9rem; }
  .dialog-actions > button { flex: 1 1 6rem; }
  .history-table { font-size: .75rem; }
  .history-table td, .history-table th { padding: .5rem .4rem; }
  .toast { bottom: 1rem; max-width: calc(100% - 1.5rem); }
  .info-page { padding: 1.7rem 1rem 0; }
  .info-header { margin-bottom: 1.25rem; padding-bottom: 1.2rem; }
  .info-header h1 { font-size: 1.8rem; }
  .info-lead { font-size: .9375rem; }
  .info-content { font-size: .875rem; }
  .info-content h2 { font-size: 1.125rem; }
  .info-section { margin: 1.4rem 0; padding-bottom: 1rem; }
  .info-toc, .info-callout, .contact-card { padding: .85rem; }
  .info-table { font-size: .75rem; }
  .info-table th, .info-table td { padding: .5rem .4rem; }
  .info-code, .info-content pre { font-size: .75rem; padding: .75rem; }
  .info-form input, .info-form textarea, .info-form select { padding: .55rem .6rem; }
  .info-footer { padding-bottom: 1.5rem; }
}
/* Intrinsic wrapping also covers 200% text independently of viewport pixels. */
@media (min-width: 601px) {
  @container radar-board (max-width: 42rem) {
    .row-utilities { width: 100%; }
  }
}
@media (max-width: 360px) {
  .mode-tabs button { flex-direction: column; gap: .1rem; font-size: .9375rem; }
  .view-tabs button { padding-left: .4rem; padding-right: .4rem; gap: .25rem; }
  .personal-tools-title { flex: 1 1 9rem; }
  .personal-tools-trailing { margin-left: 0; }
  .info-page { padding-left: .8rem; padding-right: .8rem; }
  .info-actions > * { width: 100%; }
}
