@font-face{font-family:"Plex Sans Local";src:url("/trei-din-patru/assets/PlexSans-latin.056e4e2459f5.woff2") format("woff2");font-weight:100 900;font-style:normal;font-display:swap;unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:"Plex Sans Local";src:url("/trei-din-patru/assets/PlexSans-latin-ext.ae1d854fefa1.woff2") format("woff2");font-weight:100 900;font-style:normal;font-display:swap;unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:"Source Serif Local";src:url("/trei-din-patru/assets/SourceSerif-latin.8e38e3fbd74d.woff2") format("woff2");font-weight:400 700;font-style:normal;font-display:swap;unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:"Source Serif Local";src:url("/trei-din-patru/assets/SourceSerif-latin-ext.231f594ad829.woff2") format("woff2");font-weight:400 700;font-style:normal;font-display:swap;unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:"Barlow Condensed Local";src:url("/trei-din-patru/assets/BarlowCondensed.6553a31e71bb.woff2") format("woff2");font-weight:400 900;font-style:normal;font-display:swap}

:root{
  --bg:#f5f1e8;--bg-alt:#ebe5d6;--text:#1b1a17;--muted:#4b4a41;--line:rgba(27,26,23,.24);--line-soft:rgba(27,26,23,.13);
  --accent:#174a3b;--accent-ink:#ffffff;--kept:#174a3b;--lost:#a82b17;--new:#7a5307;--panel:#f1ece0;--river:#5f879d;--hl:rgba(23,74,59,.14);
  --sans:"Plex Sans Local","Helvetica Neue",Arial,sans-serif;--serif:"Source Serif Local",Georgia,serif;--display:"Barlow Condensed Local",Impact,sans-serif;
  --bar:48px;color-scheme:light;
}
:root[data-theme="dark"]{
  --bg:#101513;--bg-alt:#161c19;--text:#f1eee6;--muted:#c4c9c1;--line:rgba(241,238,230,.28);--line-soft:rgba(241,238,230,.15);
  --accent:#8fd4bd;--accent-ink:#101513;--kept:#8fd4bd;--lost:#ff8f70;--new:#f0c05a;--panel:#0e1311;--river:#7aa6bf;--hl:rgba(143,212,189,.18);color-scheme:dark;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#101513;--bg-alt:#161c19;--text:#f1eee6;--muted:#c4c9c1;--line:rgba(241,238,230,.28);--line-soft:rgba(241,238,230,.15);
  --accent:#8fd4bd;--accent-ink:#101513;--kept:#8fd4bd;--lost:#ff8f70;--new:#f0c05a;--panel:#0e1311;--river:#7aa6bf;--hl:rgba(143,212,189,.18);color-scheme:dark;}}

*{box-sizing:border-box}
html{background:var(--bg);color:var(--text);scroll-behavior:smooth;scroll-padding-top:calc(var(--bar) + 12px)}
body{margin:0;min-width:320px;overflow-x:hidden;background:var(--bg);font:17px/1.6 var(--sans);text-rendering:optimizeLegibility}
a{color:inherit}
button{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:2px}
.skip{position:absolute;left:-999px;top:8px;background:var(--accent);color:var(--accent-ink);padding:8px 12px;z-index:100}
.skip:focus{left:8px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
h1,h2,h3{font-family:var(--display);font-weight:700;line-height:1.02;margin:0;letter-spacing:.005em}
p{margin:0 0 1em}
[hidden]{display:none!important}

/* topbar */
.topbar{position:sticky;top:0;z-index:50;height:var(--bar);display:flex;align-items:center;gap:14px;padding:0 max(16px,env(safe-area-inset-left));background:color-mix(in srgb,var(--bg) 94%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line-soft);font-size:14px;white-space:nowrap}
.home{font-weight:600;text-decoration:none;letter-spacing:.01em}
.topnav{display:flex;gap:16px;overflow-x:auto;scrollbar-width:none;min-width:0}
.topnav::-webkit-scrollbar{display:none}
.topnav a{text-decoration:none;color:var(--muted);padding:4px 0;border-bottom:2px solid transparent}
.topnav a:hover{color:var(--text)}
.topnav a[aria-current="true"]{color:var(--text);border-bottom-color:var(--accent)}
.spacer{flex:1}
.chip{border:1px solid var(--line);border-radius:99px;padding:3px 11px;text-decoration:none;font-size:13px}
.chip:hover{border-color:var(--accent)}
.icon-btn{width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:transparent;display:grid;place-items:center;cursor:pointer}
.icon-btn:hover{border-color:var(--accent)}
.icon-btn svg{display:block}
.icon-btn svg[hidden]{display:none}
.progress{position:fixed;left:0;right:0;top:var(--bar);height:2px;z-index:49;pointer-events:none}
.progress span{display:block;height:100%;width:100%;background:var(--accent);transform:scaleX(0);transform-origin:0 50%}

/* hero */
.hero{max-width:1180px;margin:0 auto;padding:clamp(28px,5vw,64px) 20px clamp(24px,3vw,40px)}
.kicker{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:18px}
h1{font-size:clamp(2.3rem,5.6vw,4.7rem);text-wrap:balance;max-width:19ch;text-transform:none}
.deck{font:clamp(1.1rem,2vw,1.4rem)/1.45 var(--serif);max-width:44rem;margin:20px 0 26px;color:var(--text)}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border-top:1px solid var(--line);margin-bottom:26px}
.stat{padding:18px 22px 14px 0;border-right:1px solid var(--line-soft);margin-right:22px}
.stat:last-child{border-right:0;margin-right:0}
.stat-v{font:700 clamp(2.1rem,4.6vw,3.4rem)/1 var(--display);margin:0 0 8px;color:var(--accent);font-variant-numeric:tabular-nums}
.stat-l{font-size:15px;color:var(--muted);margin:0;line-height:1.45}
.verdict{font:clamp(1.05rem,1.7vw,1.25rem)/1.5 var(--serif);max-width:46rem;border-left:3px solid var(--accent);padding-left:16px;margin:0}

/* story */
.story{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:clamp(20px,3.5vw,56px);max-width:1360px;margin:0 auto;padding:0 20px;align-items:start}
.story-fig{position:sticky;top:calc(var(--bar) + 8px);height:calc(100svh - var(--bar) - 16px);display:flex;align-items:center;z-index:2;pointer-events:none}
.panel{pointer-events:auto;margin:0;width:100%;background:var(--panel);border:1px solid var(--line-soft);border-radius:8px;padding:10px 12px 10px;max-height:100%;display:flex;flex-direction:column;min-height:0;gap:8px}
.panel-top{display:flex;gap:10px;align-items:flex-start}
.search{position:relative;flex:1;min-width:0}
.search input{width:100%;height:42px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--text);padding:0 12px;font:16px var(--sans)}
.search input:disabled{opacity:.6}
.qlist{position:absolute;left:0;right:0;top:46px;z-index:20;margin:0;padding:4px;list-style:none;background:var(--bg);border:1px solid var(--line);border-radius:6px;max-height:260px;overflow:auto;box-shadow:0 8px 24px rgba(0,0,0,.18)}
.qlist li{padding:8px 10px;border-radius:4px;cursor:pointer;font-size:15px;line-height:1.35}
.qlist li small{display:block;color:var(--muted);font-size:13px}
.qlist li[aria-selected="true"],.qlist li:hover{background:var(--hl)}
.qlist .none{cursor:default;color:var(--muted)}
.reset{border:1px solid var(--line);background:var(--bg);border-radius:99px;padding:0 14px;min-height:42px;font-size:14px;cursor:pointer;white-space:nowrap}
.reset:hover{border-color:var(--accent)}
.mapbox{position:relative;width:100%;aspect-ratio:1000/705;min-height:0;flex:1 1 auto;max-height:100%;border-radius:6px;overflow:hidden;background:var(--bg)}
.mapbox .base,.mapbox canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.mapbox canvas{touch-action:pan-y;cursor:grab}
.mapbox canvas.zoomed{touch-action:none}
.mapbox canvas.drag{cursor:grabbing}
.relief{opacity:.9}
.relief-dark{display:none}
:root[data-theme="dark"] .relief-light{display:none}
:root[data-theme="dark"] .relief-dark{display:inline}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .relief-light{display:none}:root:not([data-theme="light"]) .relief-dark{display:inline}}
.cty{fill:none;stroke:var(--line);stroke-width:.6;vector-effect:non-scaling-stroke}
.cty.hl{fill:var(--hl);stroke:var(--accent);stroke-width:1.4}
.outline{fill:none;stroke:var(--muted);stroke-width:1;vector-effect:non-scaling-stroke}
.river{fill:none;stroke:var(--river);stroke-width:.9;opacity:.8;vector-effect:non-scaling-stroke}
.river.danube{stroke-width:1.8;opacity:.95}
.geo-l{font:600 15px var(--sans);fill:var(--muted);letter-spacing:.04em;opacity:.8}
.cty-l{font:700 17px var(--sans);fill:var(--text);paint-order:stroke;stroke:var(--bg);stroke-width:3.5px;text-anchor:middle;stroke-linejoin:round}
.mapctl{position:absolute;right:8px;top:8px;display:flex;flex-direction:column;gap:6px}
.mapctl button{width:40px;height:40px;border-radius:8px;border:1px solid var(--line);background:color-mix(in srgb,var(--bg) 92%,transparent);font-size:22px;line-height:1;cursor:pointer}
.mapctl button:hover{border-color:var(--accent)}
.maphelp{position:absolute;left:10px;bottom:6px;margin:0;font-size:13px;color:var(--muted);pointer-events:none;max-width:70%}
.mapbox[data-state="loading"]::after,.mapbox[data-state="failed"]::after{content:attr(data-msg);position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:10px 16px;font-size:15px;text-align:center}
.mapbox .fallback{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}
.legend{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px 16px;font-size:13px;line-height:1.35;color:var(--text)}
.legend li{display:flex;align-items:center;gap:7px}
.sw{flex:none;width:12px;height:12px;border-radius:50%;display:inline-block}
.sw-k{background:var(--kept)}
.sw-n{background:var(--new)}
.sw-l{border:2.4px solid var(--lost)}
.sw-lk{border:2.4px solid var(--lost);background:radial-gradient(circle,var(--lost) 0 22%,transparent 26%)}
.panel-bar{display:grid;grid-template-columns:auto minmax(0,1fr);gap:6px 14px;align-items:center;padding-top:8px;border-top:1px solid var(--line-soft)}
.play{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--bg);border-radius:99px;padding:0 16px 0 12px;min-height:44px;font-size:15px;cursor:pointer}
.play:hover{border-color:var(--accent)}
.play svg[hidden]{display:none}
.yr{min-width:0;padding-top:2px}
.yr input{width:100%;margin:0;accent-color:var(--accent);height:30px}
.yr-l{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);line-height:1}
.readout{grid-column:1/-1;margin:0;font-size:14.5px;line-height:1.4;min-height:2.8em;font-variant-numeric:tabular-nums}
.card{position:absolute;left:8px;bottom:26px;width:min(340px,calc(100% - 64px));max-height:calc(100% - 40px);overflow:auto;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:14px 16px 12px;box-shadow:0 10px 30px rgba(0,0,0,.22);z-index:10}
.card h3{font-size:1.6rem;padding-right:34px}
.card-sub{font-size:14px;color:var(--muted);margin:2px 0 8px}
.card-x{position:absolute;right:4px;top:4px;width:44px;height:44px;border:0;background:transparent;font-size:26px;cursor:pointer;line-height:1}
.card-x:hover{color:var(--accent)}
.card dl{margin:0 0 8px;font-size:14.5px;line-height:1.45}
.card dt{font-weight:700;margin-top:8px}
.card dd{margin:2px 0 0}
.card dd ul{margin:2px 0 0;padding-left:18px}
.card .stat-line{font-weight:600;margin:6px 0}
.card .warn{font-size:13.5px;color:var(--muted);border-left:3px solid var(--lost);padding-left:10px;margin:8px 0}
.tl{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:2px;margin:6px 0 2px}
.tl i{display:block;height:14px;border-radius:2px;border:1.5px solid var(--lost);background:transparent}
.tl i.s1{background:var(--kept);border-color:var(--kept)}
.tl i.s2{background:radial-gradient(circle,var(--lost) 0 28%,transparent 32%)}
.tl-l{display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}
.card-reset{margin-top:8px;min-height:40px}
.story-steps{padding:6svh 0 30svh}
.step{min-height:78svh;display:flex;flex-direction:column;justify-content:center;padding:4svh 0;scroll-margin-top:calc(var(--bar) + 12px)}
.step h2{font-size:clamp(1.9rem,3.2vw,2.8rem);margin-bottom:18px;text-wrap:balance}
.step p{font:1.12rem/1.65 var(--serif);max-width:34rem}

/* bands */
.band{padding:clamp(48px,8vw,104px) 0}
.band.alt{background:var(--bg-alt)}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.band h2{font-size:clamp(2rem,4.4vw,3.6rem);margin-bottom:26px;max-width:24ch;text-wrap:balance}
.prose p{font:1.12rem/1.7 var(--serif);max-width:38rem}
.cols{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:clamp(24px,5vw,64px);align-items:start}
.chart{margin:0;overflow-x:auto}
.chart svg{width:100%;height:auto;display:block}
.long-narrow{display:none}
.long{overflow:visible}
.long .ax{font:13px var(--sans);fill:var(--muted)}
.long .gl{stroke:var(--line-soft)}
.long .ln{fill:none;stroke-linejoin:round;stroke-linecap:round}
.long .units{stroke:var(--lost);stroke-width:3.2}
.long .rooms{stroke:var(--accent);stroke-width:3.2}
.long .pupils{stroke:var(--text);stroke-width:2.2;stroke-dasharray:6 5}
.long .ll{font:700 15px var(--sans)}
.long .ll.units{fill:var(--lost);stroke:none}
.long .ll.rooms{fill:var(--accent);stroke:none}
.long .ll.pupils{fill:var(--text);stroke:none}
.long .mk{stroke:var(--muted);stroke-dasharray:3 4}
.long .mk-t{font:600 13.5px var(--sans);fill:var(--text)}
.text-link{font-weight:600;color:var(--accent);text-decoration-thickness:2px;text-underline-offset:3px}
.tablewrap{overflow-x:auto;margin:10px 0 8px;border-top:1px solid var(--line)}
table{border-collapse:collapse;width:100%;font-size:15px;font-variant-numeric:tabular-nums}
th,td{text-align:right;padding:8px 12px;border-bottom:1px solid var(--line-soft)}
th[scope="row"],thead th:first-child{text-align:left;font-weight:600}
thead th{font-size:13px;color:var(--muted);font-weight:600;vertical-align:bottom}
.sens th[scope="row"]{white-space:normal;min-width:16rem}
.sh{white-space:nowrap}
.mb{display:inline-block;vertical-align:middle;margin-right:10px;border-radius:2px}
.mb-bg{fill:var(--line-soft)}
.mb-fg{fill:var(--lost)}
.more{border:1px solid var(--line);background:var(--bg);border-radius:99px;padding:0 18px;min-height:44px;cursor:pointer;font-size:15px}
.more:hover{border-color:var(--accent)}
.note{font-size:14.5px;color:var(--muted);line-height:1.55;max-width:46rem}
.method{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 48px;margin-bottom:30px}
.m-item h3{font-size:1.5rem;margin:18px 0 6px}
.m-item p{font-size:16px;line-height:1.6}
.corr-h{font-size:1.5rem;margin:26px 0 6px}
.vlists{columns:2 360px;column-gap:40px;margin-top:10px}
.cty-list{break-inside:avoid;border-top:1px solid var(--line-soft);padding:2px 0}
.cty-list summary{cursor:pointer;display:flex;justify-content:space-between;gap:12px;min-height:44px;align-items:center;font-weight:600;font-size:16px}
.cty-list .cc{color:var(--muted);font-variant-numeric:tabular-nums}
.vl{margin:0 0 12px;padding:0 0 0 18px;font-size:15px;line-height:1.55;columns:1}
.vl .com{color:var(--muted)}
.sources{list-style:none;margin:20px 0 28px;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 48px}
.source{padding:16px 0;border-top:1px solid var(--line)}
.source h3{font-size:1.35rem;margin:2px 0 6px}
.source p{font-size:15px;color:var(--muted);margin:0 0 6px}
.source .source-org{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--text);font-weight:600}
.more-h{font-size:1.5rem;margin:6px 0 8px}
.more-l{list-style:none;margin:0 0 26px;padding:0;font-size:15.5px}
.more-l li{padding:6px 0}
.more-d{color:var(--muted)}
.share-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.share-label{font-size:14px;color:var(--muted);margin-right:4px}
.share-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line-soft);background:transparent;display:grid;place-items:center;color:var(--text);cursor:pointer;text-decoration:none}
.share-btn:hover,.share-btn:focus-visible{border-color:var(--accent);color:var(--accent)}
.share-status{font-size:14px;color:var(--muted)}
.foot{padding:34px 20px 60px;text-align:center;color:var(--muted);font-size:14px}
.foot p{margin:0 0 6px}

@media (pointer:coarse){.share-btn{width:44px;height:44px}.topnav a{padding:10px 0}}
@media (max-width:900px){
  .long-narrow{display:block}
  .stats{grid-template-columns:1fr}.stat{border-right:0;margin-right:0;padding:14px 0;border-bottom:1px solid var(--line-soft)}
  .story{display:block;padding:0}
  .story-fig{position:sticky;top:var(--bar);height:auto;padding:6px 8px 0;background:var(--bg);z-index:5;pointer-events:auto}
  .panel{max-height:none;padding:6px 6px 6px;gap:5px;border-radius:6px}
  .search input{height:38px}.reset{min-height:38px;padding:0 10px;font-size:13px}
  .mapbox{flex:none;width:min(100%,calc(30svh * 1000 / 705));max-height:none;margin:0 auto}
  .legend{display:grid;grid-template-columns:1fr 1fr;gap:2px 10px;font-size:11.5px;line-height:1.25}
  .panel-bar{padding-top:4px}
  .play{min-height:40px;padding:0 12px 0 10px}
  .readout{font-size:12.5px;line-height:1.3;min-height:2.6em}
  .card{position:fixed;left:8px;right:8px;bottom:8px;width:auto;max-height:46svh}
  .story-steps{padding:2svh 20px 20svh}
  .step{min-height:64svh}
  .cols{display:block}.chart.wide{margin-top:24px}.long-wide{display:none}
  .method,.sources{grid-template-columns:1fr}
}
@media (max-width:520px){.topnav a:nth-child(n+3){display:none}.home{font-size:13px}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.nf{max-width:32rem;margin:20vh auto;padding:0 20px}.nf h1{font-size:3.4rem}