@charset "UTF-8";
/* ==========================================================
   载具档案 styles (round 2, 2026-10-16).
   Tokens first; dark is the default, light follows the system
   or an explicit data-theme on <html>.
   ========================================================== */
:root{
  color-scheme:dark;
  --bg:#0f120e;--surface:#171b15;--panel:#1c2119;--raised:#232a1f;--sunken:rgba(0,0,0,.24);
  --border:#2e3628;--border-strong:#4a5640;
  --text:#eef1e8;--muted:#a9b29f;--faint:#8e9883;
  --accent:#c9dc96;--accent-strong:#d9e8b0;--accent-ink:#141a0c;--accent-soft:rgba(201,220,150,.12);--accent-line:rgba(201,220,150,.42);
  --amber:#e6c182;--amber-soft:rgba(230,193,130,.13);--amber-line:rgba(230,193,130,.4);
  --sky:#8ccdf2;--sky-soft:rgba(140,205,242,.13);--sky-line:rgba(140,205,242,.4);
  --grid:#2c3427;--topbar-bg:rgba(15,18,14,.8);--title-a:#ffffff;--title-b:#d5dcc9;
  --glow-a:rgba(201,220,150,.07);--glow-b:rgba(140,205,242,.05);--hairline:rgba(255,255,255,.018);
  --shadow:0 1px 0 rgba(255,255,255,.03) inset,0 12px 32px -18px rgba(0,0,0,.7);
  --radius:12px;--topbar-h:64px;--tabs-h:48px;
  --sans:Inter,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Consolas,monospace;
}
:root[data-theme="light"]{
  color-scheme:light;
  --bg:#f4f5ef;--surface:#ffffff;--panel:#fbfcf8;--raised:#eef1e6;--sunken:#f1f3ec;
  --border:#dde2d3;--border-strong:#bcc5ab;
  --text:#1b2016;--muted:#535c49;--faint:#646d59;
  --accent:#4a6419;--accent-strong:#3b5011;--accent-ink:#ffffff;--accent-soft:rgba(74,100,25,.09);--accent-line:rgba(74,100,25,.38);
  --amber:#8a5800;--amber-soft:rgba(176,116,8,.1);--amber-line:rgba(138,88,0,.36);
  --sky:#1d6a96;--sky-soft:rgba(29,106,150,.09);--sky-line:rgba(29,106,150,.35);
  --grid:#e2e6da;--topbar-bg:rgba(244,245,239,.84);--title-a:#1b2016;--title-b:#3c4632;
  --glow-a:rgba(122,150,60,.08);--glow-b:rgba(29,106,150,.05);--hairline:rgba(0,0,0,.025);
  --shadow:0 1px 2px rgba(30,40,20,.05),0 10px 28px -20px rgba(30,40,20,.35);
}
@media(prefers-color-scheme:light){
  :root:not([data-theme="dark"]){
    color-scheme:light;
    --bg:#f4f5ef;--surface:#ffffff;--panel:#fbfcf8;--raised:#eef1e6;--sunken:#f1f3ec;
    --border:#dde2d3;--border-strong:#bcc5ab;
    --text:#1b2016;--muted:#535c49;--faint:#646d59;
    --accent:#4a6419;--accent-strong:#3b5011;--accent-ink:#ffffff;--accent-soft:rgba(74,100,25,.09);--accent-line:rgba(74,100,25,.38);
    --amber:#8a5800;--amber-soft:rgba(176,116,8,.1);--amber-line:rgba(138,88,0,.36);
    --sky:#1d6a96;--sky-soft:rgba(29,106,150,.09);--sky-line:rgba(29,106,150,.35);
    --grid:#e2e6da;--topbar-bg:rgba(244,245,239,.84);--title-a:#1b2016;--title-b:#3c4632;
    --glow-a:rgba(122,150,60,.08);--glow-b:rgba(29,106,150,.05);--hairline:rgba(0,0,0,.025);
    --shadow:0 1px 2px rgba(30,40,20,.05),0 10px 28px -20px rgba(30,40,20,.35);
  }
}

/* Country dots: neutral colour codes, not official insignia. */
[data-country]{--country:var(--faint)}
[data-country="美国"]{--country:#5b8def}[data-country="德国"]{--country:#9aa3ad}[data-country="苏联"]{--country:#e0605a}
[data-country="英国"]{--country:#3fb5a3}[data-country="日本"]{--country:#e78fb3}[data-country="中国"]{--country:#e9a23b}
[data-country="意大利"]{--country:#6cbf5a}[data-country="法国"]{--country:#8b7cf0}[data-country="瑞典"]{--country:#e3c93c}
[data-country="以色列"]{--country:#56b6e8}

/* Base */
*{box-sizing:border-box}
html{scroll-padding-top:calc(var(--topbar-h) + var(--tabs-h) + 12px)}
body{margin:0;font:15px/1.7 var(--sans);color:var(--text);font-synthesis:none;-webkit-font-smoothing:antialiased;min-height:100vh;
  background:radial-gradient(1200px 600px at 85% -10%,var(--glow-a),transparent 60%),radial-gradient(900px 500px at -10% 30%,var(--glow-b),transparent 60%),var(--bg);background-attachment:fixed}
body:before{content:'';position:fixed;inset:0;pointer-events:none;z-index:-1;background-image:linear-gradient(var(--hairline) 1px,transparent 1px),linear-gradient(90deg,var(--hairline) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(to bottom,#000,transparent 70%)}
button,input,select{font:inherit;color:inherit}
button,a,input,select,summary{-webkit-tap-highlight-color:transparent}
button{cursor:pointer;border:1px solid var(--border);color:var(--text);background:var(--panel);border-radius:8px;padding:8px 14px}
button:hover{border-color:var(--border-strong)}
button:disabled{cursor:default;opacity:.45}
a{color:inherit;text-underline-offset:4px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
[hidden]{display:none!important}
h1,h2,h3,h4,p{margin:0}
::selection{background:var(--accent);color:var(--accent-ink)}
input[type=checkbox]{accent-color:var(--accent);width:16px;height:16px;flex-shrink:0}
time,.num,.count,.chip-count,.group-count,.version,.value-change,.br-axis-tick,.date-tick,.combined-value,.pop-value{font-variant-numeric:tabular-nums}
.small{font-size:13px}
.muted{color:var(--muted)}
.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{position:fixed;top:-100px;left:20px;z-index:30;background:var(--accent);color:var(--accent-ink);padding:12px;border-radius:8px}
.skip:focus{top:10px}
kbd{font:12px var(--mono);border:1px solid var(--border-strong);border-bottom-width:2px;border-radius:5px;padding:0 6px;color:var(--muted);margin-left:6px}
mark{background:var(--accent-soft);color:var(--accent-strong);border-radius:3px;padding:0 1px}
.section-label{font-size:12px;letter-spacing:1.6px;color:var(--faint);display:block;font-weight:500}
.amber-text{color:var(--amber)}

/* Top bar */
.topbar{position:sticky;top:0;z-index:10;height:var(--topbar-h);display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 32px;background:var(--topbar-bg);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);border-bottom:1px solid var(--border);transition:transform .2s ease}
.brand{display:flex;gap:12px;align-items:center;text-decoration:none;font-size:18px;font-weight:650;letter-spacing:1.5px}
.brand small{display:block;font-size:12px;letter-spacing:1.4px;color:var(--muted);font-weight:400;margin-top:1px}
.brand-mark{width:38px;height:38px;border-radius:9px;display:flex;flex-direction:column;justify-content:center;align-items:center;line-height:1.05;background:linear-gradient(145deg,#d8e8a8,#9fb56c);color:#141a0c;font:700 14px var(--mono);letter-spacing:1px;box-shadow:0 6px 18px -8px rgba(159,181,108,.8)}
.brand-mark span{font-size:16px;line-height:.7}
.topbar-tools{display:flex;align-items:center;gap:10px}
.edition{color:var(--accent);font-size:13px;display:flex;gap:8px;align-items:center;padding:5px 12px;border:1px solid var(--border);border-radius:999px}
.edition>span{color:var(--muted)}
.edition i{width:7px;height:7px;background:var(--accent);border-radius:50%;box-shadow:0 0 0 4px var(--accent-soft);animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{50%{box-shadow:0 0 0 7px transparent}}
.theme-toggle{display:inline-flex;align-items:center;gap:6px;min-height:36px;padding:4px 12px;border-radius:999px;font-size:13px;color:var(--muted);background:transparent}
.theme-toggle:hover{color:var(--text)}
.theme-toggle>span:first-child{font-size:15px;color:var(--accent)}

/* Layout */
.layout{display:grid;grid-template-columns:288px minmax(0,1fr);max-width:1600px;margin:auto}
main{min-width:0;padding:28px 44px 40px;max-width:1210px;width:100%;margin:auto}

/* Sidebar catalogue */
.sidebar{position:sticky;top:var(--topbar-h);align-self:start;height:calc(100vh - var(--topbar-h));overflow-y:auto;padding:26px 20px 32px 26px;border-right:1px solid var(--border);scrollbar-width:thin}
.sidebar-head{display:flex;align-items:center;justify-content:space-between}
.sidebar-head .section-label{display:flex;gap:10px}
.picker-close{display:none}
.sidebar h1{font-size:21px;font-weight:600;margin:12px 0 16px;letter-spacing:.3px}
.search-label{display:flex;align-items:center;color:var(--muted);font-size:13px;margin-bottom:6px}
.search-box{display:flex;gap:8px;align-items:center;background:var(--sunken);border:1px solid var(--border);border-radius:10px;padding:4px 10px;transition:border-color .2s,box-shadow .2s}
.search-box:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}
.search-box>span{font-size:22px;color:var(--accent);line-height:1}
.search-box input{background:none;border:0;min-width:0;width:100%;font-size:15px;height:36px;outline:none!important;color:var(--text)}
.search-box input::placeholder{color:var(--faint)}
.search-box input::-webkit-search-cancel-button{-webkit-appearance:none}
.search-box button{border:0;padding:0;background:transparent;font-size:22px;min-width:32px;min-height:32px;color:var(--muted)}
.search-box button:hover{color:var(--text)}
#search-status{margin:8px 0 14px}
.list-heading{font-size:12px;letter-spacing:1px;color:var(--faint);margin:16px 2px 8px;font-weight:500}
.list-heading:first-child{margin-top:4px}
.group-list{display:grid;gap:6px}
.country-group{border-top:1px solid var(--border)}
.country-group:last-child{border-bottom:1px solid var(--border)}
.country-group>summary{list-style:none;display:flex;align-items:center;gap:10px;min-height:44px;padding:4px 6px;cursor:pointer;font-size:14px;font-weight:500;border-radius:8px}
.country-group>summary::-webkit-details-marker{display:none}
.country-group>summary:after{content:'';width:7px;height:7px;border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);transform:rotate(-45deg);margin-left:4px;transition:transform .15s}
.country-group[open]>summary:after{transform:rotate(45deg)}
.country-group>summary:hover{background:var(--accent-soft)}
.group-count{margin-left:auto;font-size:12px;color:var(--faint)}
.country-group .group-list{padding:2px 0 10px}
.country-dot{width:9px;height:9px;border-radius:50%;background:var(--country);flex:0 0 9px;box-shadow:0 0 0 3px color-mix(in srgb,var(--country) 18%,transparent)}
.vehicle-button{position:relative;width:100%;margin:0;display:flex;align-items:center;gap:11px;text-align:left;padding:9px 12px;min-height:52px;border:1px solid transparent;border-radius:9px;background:transparent;transition:background .15s,border-color .15s}
.vehicle-button:hover{background:var(--raised);border-color:var(--border)}
.vehicle-button.active{border-color:var(--accent-line);background:var(--accent-soft);box-shadow:inset 3px 0 0 var(--accent)}
.vehicle-name{min-width:0;flex:1}
.vehicle-name strong{display:block;font-size:14px;font-weight:600;line-height:1.35;overflow-wrap:anywhere}
.vehicle-name small{display:block;font-size:12px;color:var(--muted);line-height:1.4;margin-top:2px;overflow-wrap:anywhere}
.no-results{padding:18px 6px;color:var(--muted);font-size:13px}
.no-results strong{color:var(--text);font-size:15px}
.no-results p{margin-top:8px}
#about-link{display:inline-flex;align-items:center;min-height:44px;font-size:13px;color:var(--accent);margin-top:14px;text-decoration:none}
#about-link:hover{text-decoration:underline}

/* Vehicle header */
.breadcrumb{color:var(--muted);font-size:13px;display:flex;gap:12px;margin-bottom:18px}
.breadcrumb span{color:var(--faint)}
#vehicle-header{padding:24px 28px;border:1px solid var(--border);border-radius:var(--radius);background:linear-gradient(135deg,var(--accent-soft),transparent 60%),var(--surface);box-shadow:var(--shadow)}
.vehicle-title-row{display:flex;justify-content:space-between;align-items:flex-end;gap:24px}
.title-main{min-width:0}
.vehicle-kicker{display:flex;gap:8px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--muted);border:1px solid var(--border-strong);border-radius:999px;padding:2px 12px;background:var(--sunken)}
.chip-country{color:var(--text);border-color:color-mix(in srgb,var(--country) 50%,var(--border))}
.country-flag{width:22px;height:15px;flex:0 0 22px;object-fit:contain;border-radius:2px}
.name-and-br{display:flex;align-items:center;gap:12px 20px;flex-wrap:wrap}
.current-br{display:block;margin-top:10px;color:var(--muted);text-decoration:none;line-height:1.5}
.current-br-values{display:flex;gap:16px;white-space:nowrap;font-size:13px}
.current-br strong{font-size:20px;color:var(--text);font-weight:650;font-variant-numeric:tabular-nums}
.current-br small{display:block;font-size:10px;color:var(--faint)}
.current-br:hover small{color:var(--accent)}
.current-br-missing{font-size:13px}
.undated-section{margin:18px 0 26px}
.undated-section>h3{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:15px;margin-bottom:12px}
.undated-card{margin:0 0 12px;border-style:dashed}
#vehicle-title{font-size:clamp(32px,3.6vw,50px);font-weight:650;letter-spacing:-.5px;line-height:1.15;margin:12px 0 2px;background:linear-gradient(180deg,var(--title-a),var(--title-b));-webkit-background-clip:text;background-clip:text;color:transparent;overflow-wrap:anywhere}
.vehicle-subtitle{color:var(--muted);font-size:15px;margin-top:4px}
.title-side{display:flex;flex-direction:column;align-items:flex-end;gap:10px;flex-shrink:0;text-align:right}
.latest-change{font-size:13px;color:var(--muted);line-height:1.5}
.latest-change>span{display:block;font-size:12px;color:var(--faint)}
.latest-change a{color:var(--text);text-decoration:none;font-weight:500}
.latest-change a:hover{color:var(--accent);text-decoration:underline}
.latest-change em{font-style:normal}
.copy-link{font-size:13px;min-height:36px;padding:4px 14px;border-radius:999px;background:var(--sunken);color:var(--muted)}
.copy-link:hover{color:var(--text);border-color:var(--accent-line)}

/* Section tabs */
.section-tabs{position:sticky;top:var(--topbar-h);z-index:6;display:flex;gap:4px;height:var(--tabs-h);align-items:center;margin:12px 0 18px;padding:0 4px;background:var(--topbar-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);transition:top .2s ease}
.section-tabs a{display:inline-flex;align-items:center;min-height:36px;padding:0 14px;border-radius:8px;font-size:14px;color:var(--muted);text-decoration:none}
.section-tabs a:hover{color:var(--text);background:var(--accent-soft)}
.section-tabs a.current{color:var(--accent-strong);background:var(--accent-soft);font-weight:600}

/* Panels */
.panel{position:relative;border:1px solid var(--border);border-radius:var(--radius);background:linear-gradient(180deg,var(--panel),var(--surface));box-shadow:var(--shadow)}
.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:16px}
.panel h2,.timeline-section h2{font-size:21px;font-weight:600;margin-top:2px}
.chart-panel{padding:22px 26px 18px;scroll-margin-top:calc(var(--topbar-h) + var(--tabs-h) + 12px)}
.check{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);cursor:pointer;min-height:40px}
.chart-mode-control{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin:12px 0 4px}
.control-label{font-size:13px;color:var(--muted)}
.segmented{display:flex;background:var(--sunken);border:1px solid var(--border);border-radius:10px;padding:4px;gap:4px}
.segmented button{border:0;border-radius:7px;font-size:14px;background:transparent;color:var(--muted);padding:6px 16px;min-height:40px;min-width:88px;white-space:nowrap;transition:background .15s,color .15s}
.segmented button:not(.selected):hover{color:var(--text);background:var(--accent-soft)}
.segmented button.selected{color:var(--accent-ink);background:var(--accent);font-weight:600}

/* BR chart */
.chart-legend{display:flex;gap:18px;font-size:13px;color:var(--muted);margin:14px 0 4px;flex-wrap:wrap}
.chart-legend span{display:flex;align-items:center;gap:7px}
.mode-chart{padding-top:10px}
.chart-label{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;flex-wrap:wrap}
.chart-label strong{font-weight:600;color:var(--text)}
.chart-label span{color:var(--muted)}
.chart-scroll{border-radius:10px;background:var(--sunken);border:1px solid var(--border);padding:6px 4px;margin-top:10px}
.chart-scroll svg{display:block;width:100%;height:auto}
.chart-scroll svg text{fill:var(--muted);font:12px var(--sans)}
.grid-line{stroke:var(--grid);stroke-dasharray:3 5}
.combined-chart [data-br-mode="AB"],.mode-key[data-br-mode="AB"],.br-popover [data-br-mode="AB"]{--series:var(--accent);color:var(--series)}
.combined-chart [data-br-mode="RB"],.mode-key[data-br-mode="RB"],.br-popover [data-br-mode="RB"]{--series:var(--sky);color:var(--series)}
.combined-chart .change-line{stroke:var(--series);stroke-width:2.5}
.combined-chart [data-br-mode="AB"] .change-line{stroke-width:5}
.combined-chart .br-marker{stroke:var(--series);stroke-width:2}
.combined-chart .before-point{fill:var(--surface)}
.combined-chart .after-point{fill:var(--series)}
.combined-chart .reference-point path{stroke:var(--amber);stroke-width:1.5;stroke-dasharray:3 2;fill:var(--surface)}
.chart-scroll svg .combined-value{fill:var(--text);font-size:13px;font-weight:600}
.chart-scroll svg .combined-value[data-value-phase="before"]{fill:var(--muted);font-weight:400}
.chart-scroll svg .reference-value{fill:var(--amber);font-size:12px;font-weight:400}
.br-point{cursor:pointer}
.br-point:hover .br-marker,.br-point:focus-visible .br-marker{stroke-width:4}
.br-point:focus-visible{outline:none}
.br-point:focus-visible .br-hit-target{stroke:var(--accent);stroke-width:2;stroke-dasharray:4 3}
.combined-legend .legend-ab,.combined-legend .legend-rb{display:inline-block;width:10px;height:10px;background:var(--series)}
.combined-legend .legend-ab{border-radius:50%}
.empty-chart{padding:22px 0;color:var(--muted);font-size:14px}
.br-popover{position:absolute;z-index:4;width:268px;padding:14px 16px;border:1px solid var(--border-strong);border-radius:12px;background:var(--surface);box-shadow:0 18px 40px -16px rgba(0,0,0,.55);font-size:13px}
.pop-head{display:flex;align-items:center;gap:10px}
.pop-head time{font-weight:600}
.pop-close{margin-left:auto;border:0;background:transparent;font-size:20px;line-height:1;padding:0;min-width:32px;min-height:32px;color:var(--muted)}
.pop-value{display:flex;align-items:baseline;gap:10px;font-size:22px;margin:6px 0 4px}
.pop-value span:first-child{color:var(--muted)}
.pop-value .arrow{font-size:16px;color:var(--faint)}
.pop-value em{font-style:normal;font-size:12px;margin-left:auto;padding:1px 9px;border-radius:999px;background:var(--accent-soft);color:var(--accent)}
.pop-value em[data-direction="上调"]{background:var(--amber-soft);color:var(--amber)}
.pop-note{color:var(--muted);margin-bottom:4px}
.pop-jump{width:100%;margin-top:10px;font-size:13px;min-height:40px;background:var(--accent-soft);border-color:var(--accent-line);color:var(--accent-strong)}
.value-table{font-size:13px;color:var(--muted);margin-top:8px}
.table-scroll{overflow-x:auto;margin-top:8px}
table{border-collapse:collapse;width:100%;font-size:13px;min-width:560px;border-radius:8px;overflow:hidden}
th,td{text-align:left;border-bottom:1px solid var(--border);padding:10px 8px;vertical-align:top}
th{font-weight:500;color:var(--muted);background:var(--sunken)}
td small{display:block;font-size:12px}
td.num{white-space:nowrap}
.value-table .source-link{font-size:13px}
.value-table .source-link>span:first-child{display:none}

/* SB panel */
.sb-explainer{padding-top:16px}
.sb-explainer>p{font-size:14px;color:var(--muted);margin:12px 0 18px}
.sb-explainer strong{font-weight:600;color:var(--text)}
.sb-event{display:flex;align-items:center;gap:20px;border-top:1px solid var(--border);padding:14px 0;min-height:48px;text-decoration:none;font-size:14px}
.sb-event time{color:var(--muted)}
.sb-event>span{margin-left:auto;font-size:13px;color:var(--accent)}
.community-note{border:1px dashed var(--amber-line);border-radius:10px;padding:10px 14px;font-size:13px;color:var(--amber);margin:12px 0}
.community-note p{color:var(--muted);margin:10px 0}

/* Shared bits */
summary{cursor:pointer;min-height:36px;padding:6px 0}
summary:hover{color:var(--accent)}
.tag{display:inline-block;font-size:12px;line-height:1.6;padding:1px 9px;border-radius:999px;border:1px solid var(--border-strong);color:var(--muted);background:var(--sunken);white-space:nowrap}
.tag.green{color:var(--accent);border-color:var(--accent-line);background:var(--accent-soft)}
.tag.amber{color:var(--amber);border-color:var(--amber-line);background:var(--amber-soft)}
.source-list{display:grid;gap:4px;margin-top:6px}
.source-link{display:block;color:var(--accent);font-size:13px;text-decoration:none;overflow-wrap:anywhere;padding:4px 0}
.source-link:hover{text-decoration:underline}
.source-link>span:first-child{display:inline-block;font-size:12px;color:var(--muted);margin-right:8px}
.source-missing{font-size:13px;color:var(--amber)}

/* Timeline */
.timeline-section{margin-top:34px;scroll-margin-top:calc(var(--topbar-h) + var(--tabs-h) + 12px)}
.count{font-size:13px;color:var(--accent);background:var(--accent-soft);border:1px solid var(--accent-line);padding:1px 10px;vertical-align:middle;margin-left:6px;border-radius:999px;font-weight:500}
.filter-chips{display:flex;gap:8px;overflow-x:auto;padding:12px 2px 6px;scrollbar-width:none}
.filter-chips::-webkit-scrollbar{display:none}
.filter-chip{display:inline-flex;align-items:center;gap:8px;flex-shrink:0;min-height:38px;padding:4px 14px;border-radius:999px;font-size:14px;background:var(--surface);color:var(--muted)}
.filter-chip:hover{color:var(--text);border-color:var(--border-strong)}
.filter-chip.selected{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:600}
.filter-chip.is-empty:not(.selected){opacity:.6}
.chip-count{font-size:12px;min-width:22px;text-align:center;padding:0 6px;border-radius:999px;background:var(--sunken)}
.filter-chip.selected .chip-count{background:rgba(0,0,0,.14)}
#filter-summary{margin:6px 0 4px}
.year-group{margin-top:26px;display:grid;grid-template-columns:64px minmax(0,1fr);gap:18px}
.year-group>h3{position:sticky;top:calc(var(--topbar-h) + var(--tabs-h) + 10px);align-self:start;font-size:19px;font-weight:650;color:var(--accent);font-variant-numeric:tabular-nums}
.year-group>h3 span{display:block;font-size:12px;font-weight:400;color:var(--faint);margin-top:2px}
.year-events{border-left:2px solid var(--border);padding-left:24px}
.event-card{--kind:var(--border-strong);--kind-soft:var(--sunken);position:relative;border:1px solid var(--border);border-radius:10px;padding:16px 20px;margin-bottom:12px;background:linear-gradient(180deg,var(--panel),var(--surface));box-shadow:var(--shadow);transition:border-color .15s}
.event-card:hover{border-color:var(--border-strong)}
.event-card:focus{outline:none;border-color:var(--kind);box-shadow:0 0 0 4px var(--kind-soft)}
.event-card:after{content:'';position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--kind)}
.event-card:before{content:'';position:absolute;left:-32px;top:22px;width:12px;height:12px;border:2px solid var(--kind);border-radius:50%;background:var(--bg);box-shadow:0 0 0 4px var(--bg)}
.event-card[data-kind="br"]{--kind:var(--accent);--kind-soft:var(--accent-soft)}
.event-card[data-kind="br"]:before{background:var(--accent)}
.event-card[data-kind="sb_lineup"]{--kind:var(--sky);--kind-soft:var(--sky-soft)}
.event-card[data-kind="sb_lineup"] .tag:not(.amber){color:var(--sky);border-color:var(--sky-line);background:var(--sky-soft)}
.event-card[data-kind="associated"]{--kind:var(--amber);--kind-soft:var(--amber-soft)}
.event-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:13px}
.event-meta time{color:var(--text);font-weight:600;margin-right:2px}
.mode-tag{font-size:12px;color:var(--muted);border:1px dashed var(--border-strong);border-radius:999px;padding:0 8px}
.verified-badge{margin-left:auto;display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;font-size:12px;font-weight:700;color:var(--accent);background:var(--accent-soft);border:1px solid var(--accent-line)}
.event-card h4{font-size:15.5px;font-weight:550;margin:10px 0 6px;line-height:1.7}
.value-change{display:inline-flex;align-items:center;flex-wrap:wrap;gap:12px;font-size:18px;margin:6px 0 4px;padding:6px 14px;border-radius:9px;background:var(--sunken);border:1px solid var(--border)}
.value-change>span:first-child{color:var(--muted)}
.value-change strong{color:var(--kind);font-weight:600}
.event-card[data-kind="other"] .value-change strong{color:var(--text)}
.value-change .arrow{color:var(--faint)}
.value-change .unit{font-size:13px;color:var(--muted)}
.condition{margin:10px 0;font-size:13px;color:var(--muted);background:var(--amber-soft);border-left:3px solid var(--amber);border-radius:0 8px 8px 0;padding:8px 12px}
.condition strong{font-weight:600;color:var(--amber)}
.event-bottom{display:flex;justify-content:flex-end;font-size:12px;margin-top:10px}
.version{color:var(--faint);text-align:right}
.evidence{border-top:1px solid var(--border);margin-top:8px;padding-top:2px;color:var(--muted);font-size:13px}
.evidence summary{display:flex;justify-content:space-between;gap:10px;align-items:center;min-height:40px}
.evidence summary:before{content:'+';color:var(--accent);font-family:var(--mono);font-size:16px;width:12px}
.evidence[open] summary:before{content:'−'}
.evidence summary>span{margin-left:auto;font-size:12px;color:var(--faint)}
.evidence p{margin:10px 0}
.evidence ul{padding-left:18px}
.evidence strong{color:var(--text);font-weight:500}
.record-id{font:12px var(--mono);color:var(--faint);overflow-wrap:anywhere}
/* Compact rows for secondary records */
.event-card.compact{padding:2px 16px}
.event-card.compact:before{top:18px;width:9px;height:9px;left:-30px}
.compact-toggle>summary{list-style:none;display:flex;align-items:center;gap:12px;min-height:48px;padding:8px 0}
.compact-toggle>summary::-webkit-details-marker{display:none}
.compact-toggle>summary:after{content:'';flex-shrink:0;width:7px;height:7px;margin-left:auto;border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);transform:rotate(45deg);transition:transform .15s}
.compact-toggle[open]>summary:after{transform:rotate(-135deg)}
.compact-toggle>summary .event-meta{flex-shrink:0;flex-wrap:nowrap}
.compact-summary{min-width:0;font-size:14px;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.compact-toggle[open] .compact-summary{white-space:normal}
.compact-body{padding:2px 0 12px}
.empty-state{text-align:center;border:1px dashed var(--border-strong);padding:34px 20px;margin-top:20px;border-radius:12px}
.empty-state>span{font:36px var(--mono);color:var(--muted)}
.empty-state h3{font-size:17px;font-weight:600;margin:8px}
.empty-state p{color:var(--muted);font-size:14px;margin:10px}
.empty-state button{font-size:14px;margin-top:6px}

/* Gaps & footer */
.gaps-panel{margin-top:36px;padding:22px 26px;background:linear-gradient(180deg,var(--amber-soft),transparent 140px),linear-gradient(180deg,var(--panel),var(--surface));scroll-margin-top:calc(var(--topbar-h) + var(--tabs-h) + 12px)}
.gaps-panel>.panel-heading{margin-bottom:8px}
.gap-collapse>summary{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);min-height:44px}
.gap-collapse>summary span{color:var(--amber);font-weight:600}
.gap-collapse>p{margin:2px 0 6px}
.gap-item{border-top:1px solid var(--border);font-size:14px;margin-top:8px;padding-top:4px}
.gap-item summary{display:flex;align-items:center;gap:12px;padding:8px 0;min-height:44px}
.gap-item summary:hover{color:var(--amber)}
.gap-symbol{display:inline-grid;place-items:center;width:22px;height:22px;flex-shrink:0;border-radius:50%;background:var(--amber-soft);color:var(--amber);font-size:12px;font-weight:700}
.gap-state{margin-left:auto;color:var(--muted);font-size:12px;white-space:nowrap}
.gap-body{padding:6px 0 8px 34px;color:var(--muted);font-size:13px;overflow-wrap:anywhere}
.gap-body p,.gap-body ul{margin-bottom:10px}
.gap-body ul{padding-left:18px}
footer{margin-top:36px;padding:22px 26px;border:1px solid var(--border);border-radius:var(--radius);background:var(--sunken);color:var(--muted);font-size:13px;scroll-margin-top:calc(var(--topbar-h) + 24px)}
footer strong{font-weight:600;color:var(--text);font-size:14px}
footer p{margin:10px 0;line-height:1.85}
footer>a{display:inline-flex;align-items:center;min-height:40px;margin-top:6px;padding:4px 14px;border:1px solid var(--accent-line);border-radius:8px;color:var(--accent);text-decoration:none;font-size:13px}
footer>a:hover{background:var(--accent-soft)}
.footer-end{display:block;text-align:right;font:12px var(--mono);letter-spacing:1px;color:var(--faint);margin-top:20px}
.loading{padding:60px 20px;color:var(--muted)}
.loading h2{color:var(--text);margin-bottom:16px}
.loading p{margin:12px 0}
.loading button{margin-top:14px}
.picker-fab{display:none}
#vehicle-title{scroll-margin-top:calc(var(--topbar-h) + 20px)}
.event-card{scroll-margin-top:calc(var(--topbar-h) + var(--tabs-h) + 20px)}
#app.fade-in{animation:fade-in .15s ease-out}
@keyframes fade-in{from{opacity:.35}to{opacity:1}}

/* Wide and medium screens */
@media(min-width:1400px){main{padding-inline:54px}.layout{grid-template-columns:304px minmax(0,1fr)}.sidebar{padding-inline:28px 22px}}
@media(max-width:1100px){
  main{padding:24px 24px 36px}
  .layout{grid-template-columns:256px minmax(0,1fr)}
  .sidebar{padding-inline:16px}
  .chart-panel,.gaps-panel{padding:20px}
  .year-group{grid-template-columns:50px minmax(0,1fr);gap:10px}
  .year-events{padding-left:18px}
  .event-card:before{left:-26px}
  .event-card.compact:before{left:-24px}
  .event-card{padding:14px 16px}
}

/* Narrow screens: catalogue becomes a full-screen picker opened from a floating button */
@media(max-width:800px), (max-width:960px) and (max-height:500px){
  :root{--topbar-h:56px;--tabs-h:46px}
  .topbar{padding:0 16px}
  .brand{font-size:16px;gap:10px}
  .brand small{display:none}
  .brand-mark{width:34px;height:34px;font-size:13px}
  .edition{display:none}
  body.topbar-hidden .topbar{transform:translateY(-100%)}
  body.topbar-hidden .section-tabs{top:0}
  .layout{display:block}
  .sidebar{display:none}
  body.picker-open{overflow:hidden}
  body.picker-open .sidebar{display:block;position:fixed;inset:0;z-index:25;height:auto;padding:16px 16px 40px;background:var(--bg);border:0}
  .picker-close{display:inline-grid;place-items:center;width:44px;height:44px;padding:0;font-size:24px;border-radius:50%;background:var(--surface)}
  .sidebar h1{margin:6px 0 12px}
  .search-box input{font-size:16px;min-height:44px}
  .search-box button{min-width:44px;min-height:44px}
  .vehicle-button{min-height:56px}
  .picker-fab{display:inline-flex;align-items:center;gap:8px;position:fixed;right:16px;bottom:calc(16px + env(safe-area-inset-bottom));z-index:15;min-height:48px;padding:0 20px;border-radius:999px;font-size:15px;font-weight:600;color:var(--accent-ink);background:var(--accent);border-color:var(--accent);box-shadow:0 12px 28px -10px rgba(0,0,0,.6)}
  .picker-fab span{font-size:20px;line-height:1}
  body.picker-open .picker-fab{display:none}
  main{padding:16px 16px 96px}
  .breadcrumb{display:none}
  #vehicle-header{padding:18px 16px;border-radius:12px}
  .vehicle-title-row{flex-direction:column;align-items:stretch;gap:14px}
  .title-side{flex-direction:row;align-items:center;justify-content:space-between;text-align:left;border-top:1px solid var(--border);padding-top:12px}
  #vehicle-title{font-size:30px;margin-top:10px}
  .section-tabs{margin:10px -16px 14px;padding:0 10px;border-radius:0;overflow-x:auto;scrollbar-width:none}
  .section-tabs a{flex-shrink:0;padding:0 12px;min-height:40px}
  .chart-panel,.gaps-panel{padding:16px 14px}
  .panel-heading{gap:10px}
  .panel h2,.timeline-section h2{font-size:19px}
  .chart-panel .panel-heading{align-items:flex-start;flex-direction:column;gap:2px}
  .chart-mode-control{gap:8px}
  .segmented{width:100%}
  .segmented button{flex:1;min-height:44px}
  .combined-legend{gap:6px 14px}
  .chart-scroll{margin-inline:-4px}
  .br-popover{width:min(268px,calc(100% - 24px))}
  .timeline-section{margin-top:28px}
  .filter-chips{margin:0 -16px;padding:12px 16px 6px}
  .filter-chip{min-height:44px}
  .year-group{display:block;margin-top:20px}
  .year-group>h3{display:flex;align-items:baseline;gap:10px;top:calc(var(--topbar-h) + var(--tabs-h));z-index:3;padding:6px 0;margin-bottom:10px;background:var(--bg)}
  body.topbar-hidden .year-group>h3{top:var(--tabs-h)}
  .year-group>h3 span{margin:0}
  .year-events{margin-left:4px;padding-left:16px}
  .event-card{padding:14px 13px}
  .event-card:before{left:-24px}
  .event-card.compact{padding:0 12px}
  .event-card.compact:before{left:-22px}
  .compact-toggle>summary{flex-wrap:wrap;gap:4px 10px}
  .compact-summary{flex-basis:100%;order:3;white-space:normal}
  .compact-toggle>summary:after{order:2}
  .value-change{font-size:17px}
  .gap-body{padding-left:0}
  .sb-event{gap:12px;flex-wrap:wrap}
  .check,summary{min-height:44px}
  .source-link{min-height:44px;padding-block:10px}
  footer{padding:18px 16px}
  .footer-end{text-align:left}
}
@media(max-width:640px){.chart-scroll svg text{font-size:14px}.chart-scroll svg .combined-value{font-size:14.5px}.chart-scroll svg .reference-value{font-size:14px}}
@media(pointer:coarse){.segmented button,.filter-chip,.copy-link,.theme-toggle{min-height:44px}.source-link{min-height:44px;padding-block:10px}}

@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important}
  .edition i{animation:none}
  .topbar,.section-tabs,.vehicle-button,.event-card,.search-box{transition:none}
  #app.fade-in{animation:none}
}

/* Print: white page, controls hidden, every detail expanded by the beforeprint hook. */
@media print{
  :root{color-scheme:light;--bg:#fff;--surface:#fff;--panel:#fff;--raised:#fff;--sunken:#fff;--border:#ccc;--border-strong:#999;--text:#000;--muted:#333;--faint:#555;--accent:#2f4a0a;--accent-strong:#2f4a0a;--accent-soft:transparent;--amber:#6b4500;--amber-soft:transparent;--sky:#134e70;--sky-soft:transparent;--grid:#ddd;--shadow:none}
  body{background:#fff;font-size:12pt}
  body:before,.topbar,.sidebar,.section-tabs,.picker-fab,.br-popover,.chart-mode-control,#reference-control,.filter-chips,.copy-link,.breadcrumb,.skip,footer>a{display:none!important}
  .layout{display:block}
  main{padding:0;max-width:none}
  #vehicle-title{color:#000;background:none}
  .panel,.event-card,#vehicle-header,footer{box-shadow:none;break-inside:avoid}
  .year-group>h3{position:static}
  .compact-summary{white-space:normal}
  a{text-decoration:none}
}