@font-face{font-family:"Newsreader";font-style:normal;font-weight:200 800;font-display:swap;src:url(fonts/newsreader-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Newsreader";font-style:normal;font-weight:200 800;font-display:swap;src:url(fonts/newsreader-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,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:"Newsreader";font-style:italic;font-weight:400;font-display:swap;src:url(fonts/newsreader-italic-400-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Newsreader";font-style:italic;font-weight:400;font-display:swap;src:url(fonts/newsreader-italic-400-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,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:"Plex Sans";font-weight:400 600;font-display:swap;src:url(fonts/IBMPlexSans-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,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";font-weight:400 600;font-display:swap;src:url(fonts/IBMPlexSans-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,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:"Plex Mono";font-weight:400;font-display:swap;src:url(fonts/IBMPlexMono-Regular.woff2) format("woff2")}

:root{
  --bg:#070b14;--bg2:#0d1422;--card:#0f1828;--ink:#eef1f5;--muted:#bcc6d2;--faint:#a3b0be;--line:#2a3a50;--line-soft:#1a2738;
  --siren:#f2a541;--alert:#ff6b5e;--seis:#59d3c2;--link:#9fd0ff;--river:#4f8fc9;--land:#141e2e;--ua:#1b2433;--other:#10161f;
  --y2023:#86aed0;--y2024:#a796f2;--y2025:#e57ab6;--y2026:#ff7d4a;
  --serif:"Newsreader",Georgia,"Times New Roman",serif;--sans:"Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;--mono:"Plex Mono",ui-monospace,Menlo,monospace;
  color-scheme:dark;
}
@media (prefers-color-scheme:light){:root:not([data-theme="dark"]){
  --bg:#f5f1e8;--bg2:#ece6d8;--card:#fbf8f2;--ink:#121a24;--muted:#36424f;--faint:#3d4955;--line:#c8bfad;--line-soft:#ddd5c5;
  --siren:#8a4b00;--alert:#b3261e;--seis:#0b6e63;--link:#0b4f8a;--river:#2f6ea8;--land:#e6dfcf;--ua:#d7d3ca;--other:#ece8df;
  --y2023:#3d6a8f;--y2024:#5a45bd;--y2025:#a3266f;--y2026:#b53d0c;color-scheme:light}}
:root[data-theme="light"]{
  --bg:#f5f1e8;--bg2:#ece6d8;--card:#fbf8f2;--ink:#121a24;--muted:#36424f;--faint:#3d4955;--line:#c8bfad;--line-soft:#ddd5c5;
  --siren:#8a4b00;--alert:#b3261e;--seis:#0b6e63;--link:#0b4f8a;--river:#2f6ea8;--land:#e6dfcf;--ua:#d7d3ca;--other:#ece8df;
  --y2023:#3d6a8f;--y2024:#5a45bd;--y2025:#a3266f;--y2026:#b53d0c;color-scheme:light}

*{box-sizing:border-box}
[hidden]{display:none!important}
svg [hidden],svg[hidden]{display:none}
html{-webkit-text-size-adjust:100%;scroll-padding-top:56px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1.0625rem/1.6 var(--sans)}
a{color:var(--link)}
a:focus-visible,button:focus-visible,input:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--seis);outline-offset:2px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip-link{position:absolute;left:-999px;top:8px;background:var(--card);color:var(--ink);padding:8px 12px;z-index:50}
.skip-link:focus{left:8px}

/* topbar */
.topbar{position:sticky;top:0;z-index:20;height:44px;display:flex;align-items:center;gap:14px;padding:0 max(14px,env(safe-area-inset-right)) 0 max(14px,env(safe-area-inset-left));background:var(--bg);border-bottom:1px solid var(--line-soft);font:500 .84rem/1 var(--sans)}
.brand{display:flex;align-items:center;gap:8px;color:var(--ink);text-decoration:none;white-space:nowrap}
.brand-mark{color:var(--river)}
.topnav{display:flex;gap:14px;overflow:hidden}
.topnav a{color:var(--muted);text-decoration:none;white-space:nowrap}
.topnav a:hover{color:var(--ink)}
.spacer{flex:1}
.chip{color:var(--muted);text-decoration:none;font:500 .78rem var(--mono);padding:6px 7px;border-radius:4px}
.chip[aria-current]{color:var(--ink);background:var(--line-soft)}
.icon-btn{background:none;border:1px solid var(--line);color:var(--ink);border-radius:50%;width:34px;height:34px;display:grid;place-items:center;cursor:pointer}
.progress{position:fixed;top:44px;left:0;right:0;height:2px;z-index:19;pointer-events:none}
.progress span{display:block;height:100%;background:linear-gradient(90deg,transparent,var(--siren));transform-origin:0 50%;transform:scaleX(0)}
@media (max-width:820px){.topnav{display:none}.brand span{max-width:46vw;overflow:hidden;text-overflow:ellipsis}}

/* rail */
.rail{position:fixed;right:10px;top:50%;transform:translateY(-50%);z-index:15;display:flex;flex-direction:column;gap:12px;opacity:0;transition:opacity .4s}
.past-hero .rail{opacity:1}
.rail a{position:relative;display:block;width:14px;height:14px}
.rail .dot{position:absolute;inset:4px;border-radius:50%;background:var(--faint)}
.rail a[aria-current] .dot{background:var(--siren);inset:2px}
.rail-label{position:absolute;right:22px;top:50%;transform:translateY(-50%);white-space:nowrap;font:500 .78rem var(--sans);color:var(--ink);background:var(--card);border:1px solid var(--line);padding:3px 8px;border-radius:4px;opacity:0;pointer-events:none}
.rail a:hover .rail-label,.rail a:focus-visible .rail-label{opacity:1}
@media (max-width:1240px){.rail{display:none}}

/* hero */
.hero{max-width:980px;margin:0 auto;padding:40px 20px 14px}
.kicker{font:500 .8rem/1.3 var(--mono);letter-spacing:.04em;text-transform:uppercase;color:var(--siren);margin:0 0 14px}
h1{font:500 clamp(1.85rem,4vw,3rem)/1.1 var(--serif);letter-spacing:-.01em;margin:0 0 18px;text-wrap:balance}
.deck{font:400 clamp(1.06rem,1.6vw,1.24rem)/1.55 var(--serif);color:var(--muted);margin:0;max-width:64ch}

/* explorer */
.explorer{max-width:1180px;margin:0 auto;padding:14px 20px 30px;display:grid;grid-template-columns:minmax(0,1fr);gap:14px}
.ex-controls{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px}
@media (max-width:760px){.ex-controls{grid-template-columns:1fr}}
.ctl{background:var(--card);border:1px solid var(--line-soft);border-radius:10px;padding:14px 16px;margin:0;position:relative}
.ctl h2{font:500 1.25rem/1.2 var(--serif);margin:0 0 10px}
.date-row{display:flex;gap:8px;align-items:center}
.date-row input{flex:1;min-width:0;font:500 1rem var(--sans);color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:9px 10px;min-height:44px;color-scheme:inherit}
.nav-btn{min-width:44px;min-height:44px;font:500 1.1rem var(--sans);color:var(--ink);background:none;border:1px solid var(--line);border-radius:8px;cursor:pointer}
.town-row{position:relative}
.town-row input{width:100%;font:500 1rem var(--sans);color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:9px 10px;min-height:44px}
.town-list{position:absolute;left:0;right:0;top:100%;z-index:12;list-style:none;margin:4px 0 0;padding:4px;background:var(--card);border:1px solid var(--line);border-radius:8px;max-height:280px;overflow:auto}
.town-list li{padding:9px 10px;border-radius:6px;cursor:pointer}
.town-list li small{color:var(--muted)}
.town-list li.act,.town-list li:hover{background:var(--line-soft)}
.town-list li.none{cursor:default;color:var(--muted)}
.hint{font-size:.84rem;color:var(--muted);margin:8px 0 0}
.town-ans{margin-top:10px;border-top:1px solid var(--line-soft);padding-top:10px}
.town-ans ul{margin:0;padding-left:1.1em;font:400 1.02rem/1.45 var(--serif)}
.town-ans li:first-child{font-weight:500}
.ans-links{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin:8px 0 0;font-size:.9rem}

.cal{margin:0}
.cal-wrap{overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;border:1px solid var(--line-soft);border-radius:10px;background:var(--bg2);padding:6px 4px 2px}
.cal-svg{display:block;width:100%;min-width:640px;height:auto;cursor:pointer}
.cal-grid{stroke:var(--line-soft);stroke-width:.6}
.cal-mo{stroke:var(--line);stroke-width:.6}
.cal-ax{font:400 13px var(--mono);fill:var(--muted)}
.cal-iz{fill:var(--siren);fill-opacity:.78}
.cal-ro{fill:var(--alert);stroke:var(--bg2);stroke-width:1}
.cal-gap{fill:var(--faint);fill-opacity:.12}
.cal-sel{fill:none;stroke:var(--ink);stroke-width:1.4}
.cal-hit{fill:transparent}
.legend{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:8px;font:400 .84rem/1.4 var(--sans);color:var(--muted)}
.legend span::before{content:"";display:inline-block;width:14px;height:9px;margin-right:6px;vertical-align:-1px;border-radius:2px}
.lg-iz::before{background:var(--siren);opacity:.7}
.lg-ro::before{background:var(--alert);border-radius:50%!important;width:9px!important}
.legend .lg-note::before,.legend .lg-poss::before{display:none}
.lg-note{flex-basis:100%}

.night{background:var(--card);border:1px solid var(--line-soft);border-radius:10px;padding:16px 18px}
.night-h{font:500 1.3rem/1.2 var(--serif);margin:0 0 12px}
.tag{font:500 .74rem var(--sans);color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:2px 8px;vertical-align:3px}
.strip{position:relative;margin:4px 0 6px}
.lane{display:grid;grid-template-columns:120px minmax(0,1fr);align-items:center;gap:10px;min-height:34px}
.lane-l{font:500 .78rem/1.2 var(--sans);color:var(--muted);text-align:right}
.lane-t{position:relative;height:26px;border-left:1px solid var(--line);border-right:1px solid var(--line);background:repeating-linear-gradient(90deg,transparent 0,transparent calc(12.5% - 1px),var(--line-soft) calc(12.5% - 1px),var(--line-soft) 12.5%)}
.lane-t i{position:absolute;top:0;height:100%;display:block}
.bar.iz{background:var(--siren);opacity:.8;border-radius:2px;top:3px;height:20px}
.bar.gap{background:repeating-linear-gradient(135deg,transparent 0 6px,var(--line) 6px 8px)}
.l-ro .lane-t{height:30px}
.lag{top:13px!important;height:3px!important;background:var(--siren);opacity:.55}
.ro{width:3px;margin-left:-1px;background:var(--alert);top:2px!important;height:26px!important}
.ro b{position:absolute;top:-1px;left:6px;font:600 .74rem var(--mono);color:var(--alert);white-space:nowrap;background:var(--card);padding:0 2px}
.win{top:3px!important;height:20px!important;border-radius:3px;border:1px dashed var(--seis);background:color-mix(in srgb,var(--seis) 10%,transparent)}
.win.c{border-color:var(--faint);background:transparent}
.bang{width:2px;margin-left:-1px;background:var(--seis);top:5px!important;height:16px!important}
.axis{position:relative;height:18px;margin-left:130px}
.axis span{position:absolute;transform:translateX(-50%);font:400 .7rem var(--mono);color:var(--faint);top:2px}
.axis span:first-child{transform:none}.axis span:last-child{transform:translateX(-100%)}
@media (max-width:600px){.lane{grid-template-columns:62px minmax(0,1fr);gap:6px}.lane-l{font-size:.68rem}.axis{margin-left:68px}.axis span:nth-child(even){display:none}}
.night-s{margin:12px 0 0;padding-left:1.1em;font:400 1.06rem/1.5 var(--serif)}
.night-s li{margin:0 0 4px}
.mapn{font-size:.86rem;color:var(--muted);margin:8px 0 0}.mapn:empty{display:none}
.night-foot{display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center;justify-content:space-between;margin-top:8px}
.share{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:10px}
.share-label{font:500 .8rem var(--sans);color:var(--muted)}
.share-row{display:flex;gap:8px}
.sbtn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line-soft);background:transparent;color:var(--ink);display:grid;place-items:center;cursor:pointer;text-decoration:none}
.sbtn:hover,.sbtn:focus-visible{color:var(--link);border-color:var(--link)}
@media (pointer:coarse){.sbtn{width:44px;height:44px}}
.btn{font:500 .84rem var(--sans);color:var(--ink);background:none;border:1px solid var(--line);border-radius:999px;padding:8px 13px;min-height:40px;cursor:pointer}
.share-msg{font-size:.82rem;color:var(--muted);min-height:1em;margin:6px 0 0}

/* prose */
.prose{max-width:760px;margin:0 auto;padding:10px 20px 40px;font-family:var(--serif);font-size:1.15rem;line-height:1.62}
.sec{padding-top:24px}
.prose h2{font:500 clamp(1.5rem,2.6vw,1.95rem)/1.18 var(--serif);margin:28px 0 14px;text-wrap:balance}
.prose h3{font:600 1rem var(--sans);margin:26px 0 8px}
.anchor{margin-left:8px;font-size:.7em;color:var(--faint);text-decoration:none;opacity:0}
h2:hover .anchor,.anchor:focus{opacity:1}
.prose p{margin:0 0 1em}
.prose q{quotes:"“" "”" "‘" "’"}
:lang(ro) q{quotes:"„" "”" "«" "»"}
.facts{padding-left:1.1em}.facts li{margin:0 0 .7em}
.facts b{font-weight:600}
.limits{padding-left:1.1em}.limits li{margin:0 0 .7em}
.aside{font:400 .95rem/1.5 var(--sans);color:var(--muted);border-left:2px solid var(--line);padding-left:12px}

/* map */
.mapfig{margin:1.2em -120px 0}
@media (max-width:1040px){.mapfig{margin:1.2em 0 0}}
.map-box{position:relative;border:1px solid var(--line-soft);border-radius:10px;overflow:hidden;background:var(--bg2)}
.map-svg{display:block;width:100%;height:auto;touch-action:manipulation}
.m-other{fill:var(--other);stroke:var(--line);stroke-width:calc(var(--u,1)*.8)}
.m-md,.m-ua{fill:var(--ua);stroke:var(--line);stroke-width:calc(var(--u,1)*.8)}
.m-ro{fill:var(--land);stroke:var(--faint);stroke-width:calc(var(--u,1)*1)}
.m-cty{fill:none;stroke:var(--line);stroke-width:calc(var(--u,1)*.6)}
.m-trib{fill:none;stroke:var(--river);stroke-opacity:.55;stroke-width:calc(var(--u,1)*1)}
.m-dan{fill:none;stroke:var(--river);stroke-width:calc(var(--u,1)*2)}
.m-lab{font:600 calc(var(--u,1)*11px) var(--sans);letter-spacing:.12em;fill:var(--faint)}
.m-sea{text-anchor:end;font-style:italic;letter-spacing:.04em;font-weight:400}
.m-town{fill:var(--ink)}.m-town.ua{fill:var(--faint)}
.m-tl{font:500 calc(var(--u,1)*11px) var(--sans);fill:var(--muted);paint-order:stroke;stroke:var(--bg2);stroke-width:calc(var(--u,1)*3px)}
.m-tl.ua{font-style:italic}
.pt{stroke:var(--bg2);stroke-width:calc(var(--u,1)*1);cursor:pointer;transition:opacity .25s}
.pt.y2023{fill:var(--y2023)}.pt.y2024{fill:var(--y2024)}.pt.y2025{fill:var(--y2025)}.pt.y2026{fill:var(--y2026)}
.pt.poss{fill-opacity:.25;stroke-width:calc(var(--u,1)*1.6)}
.pt.poss.y2023{stroke:var(--y2023)}.pt.poss.y2024{stroke:var(--y2024)}.pt.poss.y2025{stroke:var(--y2025)}.pt.poss.y2026{stroke:var(--y2026)}
.pt.off{opacity:0;pointer-events:none}
.pt.hot{stroke:var(--ink);stroke-width:calc(var(--u,1)*1.6)}
.town-line{stroke:var(--ink);stroke-dasharray:calc(var(--u,1)*4) calc(var(--u,1)*3);stroke-width:calc(var(--u,1)*1.4)}
.town-dot{fill:var(--ink);stroke:var(--bg2);stroke-width:calc(var(--u,1)*2)}
.town-t{font:600 calc(var(--u,1)*13px) var(--sans);fill:var(--ink);paint-order:stroke;stroke:var(--bg2);stroke-width:calc(var(--u,1)*4px)}
.whole{position:absolute;right:10px;top:10px;background:var(--card)}
.map-card,.seis-card{position:absolute;z-index:6;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:10px 30px 10px 12px;font:400 .88rem/1.45 var(--sans);box-shadow:0 6px 24px rgba(0,0,0,.25)}
.map-card .x,.seis-card .x{position:absolute;right:4px;top:4px;width:28px;height:28px;border:0;background:none;color:var(--muted);font-size:1.1rem;cursor:pointer}
.seis-card .btn{margin-top:8px}
.time-row{display:flex;align-items:center;gap:12px;margin-top:10px}
.time-row input{flex:1;accent-color:var(--y2026);min-height:32px}
.time-row output{font:500 .9rem var(--mono);min-width:9ch;text-align:right}
.play{font:500 .86rem var(--sans);color:var(--ink);background:none;border:1px solid var(--line);border-radius:999px;padding:8px 14px;min-height:40px;cursor:pointer;white-space:nowrap}
.play[data-on="1"]{border-color:var(--y2026)}
.lg-y i{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:6px;vertical-align:-1px}
.lg-y::before{display:none!important}
.y2023 i{background:var(--y2023)}.y2024 i{background:var(--y2024)}.y2025 i{background:var(--y2025)}.y2026 i{background:var(--y2026)}
.lg-poss::after{content:"";display:inline-block;width:9px;height:9px;border-radius:50%;border:1.6px solid var(--faint);margin-left:6px;vertical-align:-1px}
.strip,.seis{margin:1.4em 0}
figure.strip{overflow-x:auto}
.strip figcaption,.seis figcaption{font:400 .86rem/1.45 var(--sans);color:var(--muted);margin-bottom:8px}
.strip figcaption b,.seis figcaption b{color:var(--ink);font-weight:600}
.strip-svg{display:block;width:100%;min-width:520px;height:auto}
.st-grid{stroke:var(--line-soft);stroke-width:1}
.st-17{stroke:var(--faint);stroke-dasharray:3 3}
.st-ax{font:400 13px var(--mono);fill:var(--muted)}
.st-y{font:600 13px var(--mono);fill:var(--ink)}
.strip-svg .pt{stroke:var(--bg);cursor:default}
.seis{position:relative}
.seis-svg{display:block;width:100%;max-width:600px;height:auto}
.seis-svg .st-ax{font-size:14px}
.sd{stroke:var(--bg);stroke-width:.8}
.sd.alert{fill:var(--alert);cursor:pointer}
.sd.contr{fill:var(--faint)}
.sd-mean{stroke:var(--ink);stroke-width:1.2}
.sd-ml{font:600 14px var(--mono);fill:var(--ink)}
.sd-lab{font:500 15px var(--sans);fill:var(--muted)}
.table-wrap{margin:1em 0 1.4em;font-family:var(--sans)}
.table-wrap summary{cursor:pointer;font:500 .95rem var(--sans);color:var(--link);padding:8px 0}
.tscroll{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:.86rem;line-height:1.4}
th,td{text-align:left;padding:6px 8px;border-bottom:1px solid var(--line-soft);vertical-align:top}
th{font-weight:600;color:var(--muted)}
td.num{white-space:nowrap;font-family:var(--mono)}
.method{font-size:1.02rem}
.sources{font:400 .9rem/1.5 var(--sans);padding-left:1.1em}
.sources li{margin-bottom:4px}
.site-footer{max-width:760px;margin:0 auto;padding:24px 20px 70px;display:flex;gap:18px;flex-wrap:wrap;font:400 .86rem var(--sans);color:var(--muted);border-top:1px solid var(--line-soft)}
.site-footer a{color:var(--muted)}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
@media print{.topbar,.rail,.progress,.share{display:none}}
@media (max-width:700px){
  .hero{padding:24px 16px 10px}
  .deck{font-size:1.02rem}
  .explorer{padding:6px 16px 24px}
  .night{padding:14px 12px}
  .legend{font-size:.78rem;gap:4px 14px}
  .prose{font-size:1.08rem;padding:6px 16px 30px}
}