/* noaptea-tropicala: a summer night that does not cool. Paper at dusk by day, indigo night in the dark theme;
   the quilt of nights is always a night plate, its tropical nights burning amber. */
:root{
  --bg:#f1ece2; --bg2:#e8e1d3; --surface:#fbf8f2; --ink:#1b1a24; --ink2:#3a3846; --muted:#55525f; --line:#cdc4b4; --line-soft:#ddd5c6;
  --amber:#c46d10; --ember:#b23c14; --indigo:#2c3170; --acc-ink:#8a3a0c; --tip-bg:#15162a; --tip-ink:#f6f1e6; --focus:#1f4fd1; --plate:#fbf8f2;
  --night:#070918; --night2:#0d1028; --nightline:rgba(214,206,255,.10); --nightink:#e9e6f5; --nightmuted:#a7a3c4;
  --disp:"Fraunces",Georgia,serif; --serif:"Source Serif 4",Georgia,serif; --ui:"Atkinson Next","Atkinson Hyperlegible Next",system-ui,"Segoe UI",sans-serif;
  color-scheme:light;
}
html.dark{
  --bg:#0a0c1c; --bg2:#0f1226; --surface:#141832; --ink:#ecebf3; --ink2:#d3d1e2; --muted:#b0adc6; --line:#2c3052; --line-soft:#1d2140;
  --amber:#f2a541; --ember:#ff7a3d; --indigo:#a9b0ff; --acc-ink:#f6b866; --tip-bg:#ecebf3; --tip-ink:#0d0f22; --focus:#9db8ff; --plate:#0d1026;
  --night:#05061a; --night2:#0b0e26;
  color-scheme:dark;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
svg[hidden]{display:none}
html{-webkit-text-size-adjust:100%;scroll-padding-top:64px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1.125rem/1.62 var(--serif);font-optical-sizing:auto;text-rendering:optimizeLegibility}
a{color:var(--acc-ink);text-underline-offset:.18em;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--bg);padding:.5rem 1rem;z-index:50}
.skip:focus{left:8px;top:8px}
h1,h2,h3{font-family:var(--disp);font-weight:560;letter-spacing:-.01em;line-height:1.14;margin:0 0 .6em}
h1{font-size:clamp(1.85rem,2.6vw + .9rem,2.9rem);font-variation-settings:"opsz" 120;font-weight:500;text-wrap:balance}
h2{font-size:clamp(1.5rem,1.6vw + 1rem,2.1rem);font-variation-settings:"opsz" 72;margin-top:.2em;text-wrap:balance;position:relative}
h3{font-size:1.25rem;margin-top:1.8em}
p{margin:0 0 1em}
.anchor{position:absolute;left:-1.1em;opacity:0;text-decoration:none;color:var(--muted);font-weight:400}
h2:hover .anchor,.anchor:focus{opacity:1}
.kicker{font:600 .82rem/1.3 var(--ui);letter-spacing:.07em;text-transform:uppercase;color:var(--amber);margin:0 0 1rem}
.kicker a{color:inherit}
.note{font:400 .9rem/1.5 var(--ui);color:var(--muted)}

/* topbar */
.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:.9rem;height:46px;padding:0 max(16px,env(safe-area-inset-left));background:color-mix(in srgb,var(--bg) 92%,transparent);border-bottom:1px solid var(--line-soft);font:500 .9rem/1 var(--ui)}
.home{display:flex;align-items:center;gap:.45rem;color:var(--ink);text-decoration:none;white-space:nowrap}
.home .motif{width:22px;height:22px;color:var(--ink)}
.topnav{display:flex;gap:1rem;overflow:hidden;min-width:0}
.topnav a{color:var(--ink2);text-decoration:none;white-space:nowrap}
.topnav a:hover{color:var(--ink);text-decoration:underline}
.spacer{flex:1}
.chip{color:var(--ink);text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:.38rem .7rem}
.icon-btn{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--ink);cursor:pointer}
.progress{position:absolute;left:0;right:0;bottom:-1px;height:2px}
.progress i{display:block;height:100%;width:100%;background:linear-gradient(90deg,var(--indigo),var(--amber),var(--ember));transform-origin:0 50%;transform:scaleX(0)}
@media (max-width:900px){.topnav{display:none}}

/* rail: a hairline of dots in the gutter */
.rail{position:fixed;right:10px;top:50%;transform:translateY(-50%);z-index:20;display:flex;flex-direction:column;gap:9px}
.rail-dot{position:relative;display:block;width:14px;height:14px}
.rail-dot .dot{position:absolute;inset:5px;border-radius:50%;background:var(--line)}
.rail-dot[aria-current] .dot{background:var(--amber);inset:3px}
.rail-label{position:absolute;right:22px;top:50%;transform:translateY(-50%);white-space:nowrap;font:500 .8rem/1 var(--ui);background:var(--tip-bg);color:var(--tip-ink);padding:.35rem .5rem;border-radius:4px;opacity:0;pointer-events:none}
.rail-dot:hover .rail-label,.rail-dot:focus .rail-label{opacity:1}
@media (max-width:1360px){.rail{display:none}}

/* hero: text and tools on the left, the quilt of summers on the right */
.hero{padding:clamp(1.2rem,3vw,2.4rem) 16px 1.5rem}
.hero-grid{max-width:1280px;margin:0 auto;display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);grid-template-areas:"intro fig" "tools fig";grid-template-rows:auto 1fr;gap:0 clamp(1.5rem,3.5vw,3.2rem);align-items:start}
.h-intro{grid-area:intro}.quilt{grid-area:fig}.h-tools{grid-area:tools}
.deck{font-size:1.14rem;line-height:1.55;color:var(--ink2);max-width:36em}
.search{margin:.6rem 0 .5rem;max-width:34rem}
.srow{display:flex;gap:.7rem;align-items:flex-end;flex-wrap:wrap}
.sfield{flex:1 1 16rem;min-width:0}.yfield{flex:0 0 9.5rem}
.slab{display:block;font:600 .92rem/1.3 var(--ui);margin-bottom:.4rem}
.combo{position:relative}
#q,#yr{width:100%;font:500 1.1rem/1.2 var(--ui);padding:.82rem 1rem;border-radius:12px;border:1.5px solid var(--ink2);background:var(--surface);color:var(--ink)}
#yr{font-variant-numeric:tabular-nums}
#q::placeholder,#yr::placeholder{color:var(--muted)}
#yr[aria-invalid=true]{border-color:var(--ember)}
#sugg{position:absolute;left:0;right:0;top:calc(100% + 4px);z-index:25;list-style:none;margin:0;padding:.3rem;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:0 14px 40px rgba(0,0,0,.2);max-height:min(22rem,60vh);overflow:auto}
#sugg li{padding:.55rem .7rem;border-radius:8px;cursor:pointer;font:400 1rem/1.3 var(--ui)}
#sugg li b{font-weight:650}
#sugg li span{display:block;font-size:.85rem;color:var(--muted)}
#sugg li[aria-selected=true],#sugg li:hover{background:var(--bg2)}
#sugg li.empty{cursor:default;color:var(--muted)}
.shelp{font:400 .88rem/1.4 var(--ui);color:var(--muted);margin:.45rem 0 0}
.result{margin-top:.9rem;padding:1rem 1.15rem;border-left:4px solid var(--amber);background:color-mix(in srgb,var(--surface) 86%,transparent);border-radius:0 12px 12px 0;max-width:36em}
.r-main{font:500 1.17rem/1.45 var(--serif);margin-bottom:.5rem}
.r-main b{font-weight:680;color:var(--ember)}
html.dark .r-main b{color:var(--amber)}
.r-more{font:400 1rem/1.5 var(--ui);color:var(--ink2);margin-bottom:.5rem}
.r-more:empty{display:none}
.btn{display:inline-flex;align-items:center;gap:.4rem;font:600 .95rem/1 var(--ui);padding:.7rem 1rem;border-radius:999px;border:1.5px solid var(--ink);background:var(--ink);color:var(--bg);text-decoration:none;cursor:pointer;min-height:44px}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.small{padding:.5rem .85rem;font-size:.9rem;min-height:40px}
.place-share{margin-top:.9rem}
.after-hero{margin-top:1.6rem}

/* the quilt: one row per summer, one cell per night, on a night plate in both themes */
.quilt{margin:0;position:relative}
.qhead{display:flex;align-items:center;justify-content:space-between;gap:.5rem 1rem;min-height:42px;margin:0 0 .45rem}
.qplace{font:650 1.08rem/1.2 var(--ui)}
.qwrap{position:relative;border-radius:16px;overflow:hidden;background:radial-gradient(120% 90% at 50% 100%,var(--night2),var(--night));box-shadow:0 1px 0 rgba(255,255,255,.04) inset,0 24px 60px -30px rgba(10,8,40,.55);touch-action:pan-y;user-select:none;-webkit-user-select:none}
#quilt{display:block;width:100%;height:auto;aspect-ratio:1.12}
.legend{display:flex;flex-wrap:wrap;gap:.35rem 1rem;font:500 .84rem/1.3 var(--ui);color:var(--ink2);margin:.6rem 0 .35rem}
.lg{display:inline-flex;align-items:center;gap:.4rem}
.lg i{display:inline-block;width:16px;height:10px;border-radius:2px}
.lg-n0 i{background:#161a3c}.lg-n1 i{background:#4a2c38}.lg-n2 i{background:#e08a3a}.lg-n3 i{background:#fff6e4}
.lg-c1 i{background:#111536}.lg-c2 i{background:#1c2250}.lg-c3 i{background:#323670}.lg-c4 i{background:#d17a26}.lg-c5 i{background:#f4a23c}.lg-c6 i{background:#ffe0a0}
.tip{position:absolute;z-index:22;pointer-events:none;background:var(--tip-bg);color:var(--tip-ink);font:500 .88rem/1.35 var(--ui);padding:.45rem .6rem;border-radius:6px;max-width:270px;transform:translate(-50%,calc(-100% - 12px));white-space:normal}
.tip small{display:block;opacity:.85;font-size:.8rem}

/* sections */
.block{padding:clamp(2.2rem,5vw,4rem) 16px;border-top:1px solid var(--line-soft)}
.wrap{max-width:42rem;margin:0 auto}
.wide{max-width:1180px;margin:1.2rem auto}
.tinted{background:var(--bg2)}

/* map */
.mapfig{margin:0}
.mapctl{display:flex;flex-wrap:wrap;align-items:center;gap:.6rem 1rem;margin:0 0 .6rem}
.plab{font:600 .92rem/1.2 var(--ui)}
.plab output{font-variant-numeric:tabular-nums;color:var(--amber)}
#mper{flex:1 1 220px;accent-color:var(--amber)}
#mplay[data-on]{background:transparent;color:var(--ink)}
.mapwrap{position:relative;width:100%;max-width:min(1000px,calc((100vh - 170px) * 1.55));margin:0 auto;aspect-ratio:1.55;background:var(--night);border-radius:16px;overflow:hidden;touch-action:manipulation}
#map{display:block;width:100%;height:100%;cursor:crosshair}
.mapyear{position:absolute;left:16px;bottom:12px;font:500 clamp(1.4rem,3vw,2.4rem)/1 var(--disp);color:rgba(255,236,205,.9);pointer-events:none;font-variant-numeric:tabular-nums}
.mlegend{display:flex;align-items:center;flex-wrap:wrap;gap:.3rem .8rem;margin:.6rem 0 0;font:500 .85rem/1.2 var(--ui);color:var(--ink2)}
.mramp{display:block;width:min(340px,62vw);height:10px;border-radius:5px}
.mrk{display:flex;justify-content:space-between;width:min(340px,62vw);font-size:.8rem;color:var(--muted)}
.mscale{display:inline-flex;flex-direction:column;gap:.25rem}
.pcard{position:absolute;z-index:23;width:250px;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 34px rgba(0,0,0,.3);padding:.75rem .85rem .8rem;font:400 .92rem/1.35 var(--ui)}
.pcard b{display:block;font-weight:700;font-size:1.02rem;padding-right:1.4rem}
.pcard span{display:block;color:var(--muted);font-size:.84rem}
.pcard .mc-line{color:var(--ink);font-weight:600;font-size:.98rem;margin:.35rem 0 .55rem}
.pcard .mc-x{position:absolute;top:4px;right:6px;width:32px;height:32px;border:0;background:transparent;color:var(--ink2);font-size:1.3rem;cursor:pointer;border-radius:50%}
.btn.mapreset{position:absolute;top:10px;right:10px;z-index:21;background:rgba(10,12,30,.78);color:#f4efe6;border-color:rgba(255,255,255,.55)}

/* runs */
.runs{margin:1.4rem 0 1rem}
.runs figcaption{font:600 .95rem/1.35 var(--ui);margin-bottom:.6rem}
.runbars{list-style:none;margin:0;padding:0;display:grid;gap:.3rem}
.runbars li{display:grid;grid-template-columns:8.5rem 1fr 7.4rem;align-items:center;gap:.6rem;font:500 .92rem/1.2 var(--ui)}
.runbars li.inland{color:var(--ink2)}
.runbars li.inland:first-of-type,.runbars li:not(.inland)+li.inland{margin-top:.7rem}
.rb{display:block;height:12px;background:color-mix(in srgb,var(--line-soft) 70%,transparent);border-radius:6px;overflow:hidden}
.rb i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--amber),var(--ember))}
.inland .rb i{background:var(--amber);opacity:.75}
.rv{font-variant-numeric:tabular-nums;font-weight:700;text-align:right}
.rv small{font-weight:400;color:var(--muted)}

/* people chart */
.fig{margin:1.2rem 0}
.pchart{display:block;width:100%;height:auto;font:500 12.5px var(--ui)}
.pchart text{fill:var(--muted)}
.pchart text.v{fill:var(--ink);font-weight:700}
.pchart .grid{stroke:var(--line-soft)}
.pchart .b5{fill:var(--amber)}
.pchart .b10{fill:var(--ember)}
.pkey{font:500 .86rem/1.3 var(--ui);color:var(--ink2);display:flex;align-items:center;gap:.45rem;flex-wrap:wrap}
.pkey span{display:inline-block;width:14px;height:10px;border-radius:2px;margin-left:.3rem}
.pkey .k5{background:var(--amber)}.pkey .k10{background:var(--ember)}

/* tables */
.scrollx{overflow-x:auto}
table.data{width:100%;border-collapse:collapse;font:400 .96rem/1.35 var(--ui)}
table.data th,table.data td{padding:.5rem .6rem;border-bottom:1px solid var(--line-soft);text-align:left;vertical-align:top}
table.data thead th{font-weight:700;color:var(--ink2);border-bottom:1.5px solid var(--line)}
table.data .n{text-align:right;font-variant-numeric:tabular-nums}
table.data tbody th{font-weight:600}
.morebtn{margin:.6rem 0 1rem}
ul.plain{padding-left:1.1rem}
.sources li{margin:.35rem 0;font:400 .95rem/1.45 var(--ui)}

/* share */
.share-row{display:flex;align-items:center;flex-wrap:wrap;gap:.45rem}
.share-row .lbl{font:600 .88rem/1 var(--ui);color:var(--muted);margin-right:.2rem}
.sh{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;border:1px solid var(--line-soft);background:transparent;color:var(--ink);cursor:pointer;text-decoration:none}
.sh svg{width:18px;height:18px}
.sh:hover,.sh:focus-visible{border-color:var(--amber);color:var(--amber)}
@media (pointer:coarse){.sh{width:44px;height:44px}}
.status{font:500 .85rem/1.3 var(--ui);color:var(--muted);min-height:1.1em;margin:.3rem 0 0}

footer{display:flex;flex-wrap:wrap;gap:.6rem 1.4rem;justify-content:center;padding:2rem 16px 3rem;border-top:1px solid var(--line-soft);font:400 .9rem/1.4 var(--ui);color:var(--muted)}
footer a{color:var(--ink2)}
.hpage main{padding:3rem 16px}
.hpage h1{font-size:clamp(1.8rem,3vw + .8rem,2.7rem)}

/* phone: headline, then the quilt (at most 40% of the screen), then the tools */
@media (max-width:940px){
  .hero-grid{grid-template-columns:minmax(0,1fr);grid-template-areas:"intro" "fig" "tools";grid-template-rows:auto}
  .quilt{margin-top:.4rem}
  .deck{font-size:1.06rem}
}
@media (max-width:620px){
  body{font-size:1.06rem}
  .hero{padding-top:1rem}
  #quilt{aspect-ratio:auto;height:min(40svh,330px);height:min(calc(var(--vh,1vh) * 40),330px)}
  .yfield{flex:1 1 8rem}
  .result{padding:.9rem 1rem}
  .mapwrap{aspect-ratio:1.25}
  .runbars li{grid-template-columns:6.4rem 1fr 6.4rem;font-size:.84rem}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media print{.topbar,.rail,.share-row,.search,.mapctl{display:none}}

.place-next-steps{margin-block:1rem;padding-block:1rem;border-block-start:1px solid var(--line)}
.place-next-steps h3{margin:0 0 .4rem;font-size:1.08em}
.place-next-steps p{margin:.35rem 0}
.place-next-steps ul{display:grid;gap:.5rem;list-style:none;margin:.7rem 0 0;padding:0}
.place-next-steps li{display:grid;gap:.12rem}
.place-next-steps a,.place-next-steps a:hover{color:var(--ink);font-weight:600}