/* daysuntil.us: printed almanac meets departures board. System fonts, no webfonts. Tokens from DESIGN.md. */
:root{
  --paper:#FAF6EE;--surface:#fff;--wash:#F3E6CB;--ink:#1B2430;--ink-muted:#485365;
  --signal:#A3262F;--on-signal:#FAF6EE;--event:#1F5F4A;--night:#16202C;--rule:#8A8372;--rule-soft:#D9D2C3;--focus:#0B57D0;--visited:#7A1B23;--signal-hover:#8B1F27;--on-night:#FAF6EE;--night-muted:#C9D1DB;--night-rule:#3A4656;color-scheme:light;
  --font-display:Charter,"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;
  --font-text:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --t-numeral:clamp(88px,22vw,192px);--t-result:clamp(64px,16vw,120px);--t-h1:clamp(30px,5.5vw,48px);--t-h2:clamp(24px,3.4vw,32px);
  --t-lead:clamp(19px,2.6vw,24px);--t-stat:clamp(28px,5vw,40px);--gap:40px;--result:#EADBB8;
}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){--result:#3A3220;--paper:#14181F;--surface:#1C222B;--wash:#2B2619;--ink:#F2ECDF;--ink-muted:#BDB8AB;
  --signal:#F08A8F;--on-signal:#1A1214;--event:#74D0A8;--night:#0C1015;--rule:#7E7A6D;--rule-soft:#363A40;--focus:#8AB8FF;--visited:#DDA0A6;--signal-hover:#FFA3A7;color-scheme:dark;}}
:root[data-theme="dark"]{--result:#3A3220;--paper:#14181F;--surface:#1C222B;--wash:#2B2619;--ink:#F2ECDF;--ink-muted:#BDB8AB;
  --signal:#F08A8F;--on-signal:#1A1214;--event:#74D0A8;--night:#0C1015;--rule:#7E7A6D;--rule-soft:#363A40;--focus:#8AB8FF;--visited:#DDA0A6;--signal-hover:#FFA3A7;color-scheme:dark;}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:16px}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.6 var(--font-text);font-variant-numeric:lining-nums tabular-nums;overflow-wrap:break-word}
@media(min-width:768px){body{font-size:18px;line-height:1.65}:root{--gap:56px}}
img,svg{max-width:100%}
a{color:var(--signal);text-decoration:underline;text-underline-offset:2px}
a:visited{color:var(--visited)}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.skip{position:absolute;left:8px;top:-60px;background:var(--ink);color:var(--paper);padding:12px 16px;z-index:10;border-radius:6px}
.skip:focus{top:8px}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.wrap{padding:0 32px}}
h1,h2,h3{font-family:var(--font-display);font-weight:700;color:var(--ink);margin:0}
h1{font-size:var(--t-h1);line-height:1.1;letter-spacing:-.01em}
h2{font-size:var(--t-h2);line-height:1.2}
h3{font-size:20px;line-height:1.3}
p{margin:0 0 1em}
.label{font:700 13px/1.2 var(--font-text);text-transform:uppercase;letter-spacing:.08em;color:var(--ink-muted)}
.small{font-size:15px;line-height:1.5}
.muted{color:var(--ink-muted)}
/* header */
.site-head{border-bottom:2px solid var(--ink);background:var(--paper)}
:root[data-theme="dark"] .site-head{border-bottom:1px solid var(--rule)}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .site-head{border-bottom:1px solid var(--rule)}}
@media(max-width:479px){.brand{font-size:20px}.nav a,.nav summary{padding:0 6px}.nav summary::after{margin-left:6px}}
.site-head .wrap{display:flex;align-items:center;gap:0 12px;position:relative}
.brand{font:700 22px/1 var(--font-display);color:var(--ink);text-decoration:none;padding:12px 0;display:inline-flex;min-height:48px;margin-right:auto;align-items:center}
.brand:visited{color:var(--ink)}
.brand span{color:var(--signal)}
.nav{display:flex;gap:0 4px;align-items:center}
.nav a,.nav summary{display:flex;align-items:center;min-height:44px;padding:0 8px;color:var(--ink);text-decoration:none;font-weight:600;cursor:pointer;list-style:none}
.nav summary::-webkit-details-marker{display:none}
.nav summary::after{content:"";width:7px;height:7px;border:solid var(--ink);border-width:0 2px 2px 0;transform:rotate(45deg);margin:-3px 0 0 8px}
.nav details[open] summary::after{transform:rotate(-135deg);margin-top:3px}
.nav a:hover,.nav summary:hover{text-decoration:underline}
.nav .dd{position:static}
.nav .dd ul{list-style:none;margin:0;position:absolute;left:0;right:0;top:100%;z-index:5;background:var(--surface);border:1px solid var(--rule);border-top:2px solid var(--ink);border-radius:0 0 6px 6px;padding:8px 0}
.nav .dd li a{padding:0 20px}
.nav .dd li a{font-weight:400}
@media(min-width:768px){.nav .dd{position:relative}.nav .dd ul{right:auto;min-width:280px}
  .nav .dd li a{padding:0 16px}}
/* theme toggle (shown by script only) */
.theme-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;min-width:44px;padding:0 10px;font:600 15px var(--font-text);color:var(--ink);background:transparent;border:1px solid var(--rule);border-radius:6px;cursor:pointer}
.theme-btn:hover{background:var(--wash)}
.theme-btn[aria-pressed=true]{background:var(--wash);border-color:var(--ink)}
.theme-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2}
.theme-btn .t-sun{display:none}
.theme-btn[aria-pressed=true] .t-sun{display:block}.theme-btn[aria-pressed=true] .t-moon{display:none}
@media(max-width:479px){.theme-btn .tb-txt{display:none}}
/* layout */
main{display:block;padding-bottom:var(--gap)}
.crumb{font-size:15px;color:var(--ink-muted);padding:20px 0 12px}
.crumb ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px 8px}
.crumb li+li::before{content:"/";margin-right:8px;color:var(--rule)}
.crumb a{color:var(--ink-muted)}
.col{max-width:720px}
.sec{margin-top:var(--gap);max-width:720px}
.sec>h2,.prose h2{padding-top:16px;border-top:1px solid var(--rule-soft);margin-bottom:12px}
.lead{font:400 18px/1.45 var(--font-text);margin:12px 0 20px;max-width:36em}
.lead strong{font-weight:700}
@media(min-width:768px){.lead{font-size:20px}}
.updated{margin:0 0 24px}
.hero{padding-top:8px}
main>.wrap>.hero:first-child{padding-top:clamp(24px,4vw,40px)}
.hero .lead{margin-bottom:8px}
.hero h1{max-width:20em}
/* tool panel */
.panel{overflow:hidden;background:var(--surface);border:1px solid var(--rule);border-top:2px solid var(--ink);border-radius:6px;margin:24px 0 0;max-width:720px}
.panel form{padding:20px}
@media(min-width:768px){.panel form{padding:24px}}
.field{margin:0 0 20px}
.field label,.field .lbl{display:block;font-weight:700;margin-bottom:4px}
.hint{display:block;font-size:15px;line-height:1.4;color:var(--ink-muted);margin-bottom:8px}
input[type=date],input[type=number],input[type=text],select{width:100%;min-height:48px;padding:8px 12px;font:400 16px var(--font-text);color:var(--ink);background:var(--surface);border:1px solid var(--rule);border-radius:6px}
input[aria-invalid=true]{border:2px solid var(--signal)}
.row2{display:grid;gap:0 16px}
@media(min-width:480px){.row2{grid-template-columns:1fr 1fr}}
.check{display:flex;gap:12px;align-items:flex-start;min-height:44px;padding:8px 0}
.check input{width:24px;height:24px;margin:2px 0 0;flex:none}
.check label{margin:0;font-weight:400}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;font:700 17px var(--font-text);background:var(--signal);color:var(--on-signal);border:2px solid var(--signal);border-radius:6px;cursor:pointer;text-decoration:none;width:100%}
@media(min-width:480px){.btn{width:auto}}
.btn:hover{background:var(--signal-hover);border-color:var(--signal-hover)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-2{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-2:hover{background:var(--wash);border-color:var(--ink)}
.error{margin:0;padding:12px 20px;color:var(--signal);font-weight:600;border-top:1px solid var(--rule-soft)}
.error::before{content:"\26A0\FE0E\00a0"}
.error[hidden],[hidden]{display:none!important}
.result{background:var(--result);padding:20px}
.result+form,form+.error+.result{border-top:1px solid var(--rule)}
.result>.label{display:block;margin-bottom:8px;color:var(--ink)}
@media(min-width:768px){.result{padding:24px}}
.big{display:flex;flex-wrap:wrap;align-items:baseline;gap:0 12px}
.num{font:800 var(--t-result)/.9 var(--font-text);letter-spacing:-.03em;color:var(--ink)}
.num-hero{font-size:var(--t-numeral)}
.unit{font:700 var(--t-lead)/1.2 var(--font-text);color:var(--ink)}
.sentence{margin:12px 0 0;font-weight:500}
.dtext{font:800 clamp(28px,6vw,44px)/1.1 var(--font-text);letter-spacing:-.02em}
.note{margin:12px 0 0;font-size:15px;font-weight:600}
.dfmt{display:block;margin-top:6px;font-size:15px;font-weight:600;color:var(--ink)}
.dfmt:empty{display:none}
.frow{display:flex;flex-wrap:wrap;gap:8px}.frow input{flex:1 1 12em;width:auto}
.frow .btn{width:auto;min-height:48px}
.jump{display:flex;flex-wrap:wrap;gap:0 20px;margin:12px 0 0;font-size:15px}
.jump a{display:inline-flex;align-items:center;min-height:44px;font-weight:600}
.btn-sm{min-height:44px;font-size:15px;padding:0 16px}
.hint-top{margin:0 0 8px;max-width:36em}
.tape-key{margin:8px 0 0}
/* ledger */
.ledger{margin:20px 0 0;padding:0;display:grid;gap:0 32px}
.ledger>div{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:10px 0;border-top:1px solid var(--rule-soft)}
.ledger dt{font:700 13px/1.3 var(--font-text);text-transform:uppercase;letter-spacing:.08em;color:var(--ink-muted)}
.ledger dd{margin:0;font-weight:700;text-align:right;white-space:nowrap}
.ledger dd b{font-size:20px}
.result .ledger>div{border-top-color:var(--rule)}
@media(min-width:768px){.ledger{grid-template-columns:1fr 1fr}.result .ledger{grid-template-columns:1fr}}
.sub{font-size:14px;line-height:1.4;color:var(--ink-muted);font-weight:400;display:block;text-transform:none;letter-spacing:0;margin-top:2px}
@media(max-width:479px){.ledger>div{flex-direction:column;align-items:flex-start;gap:2px}.ledger dd{text-align:left}}
/* callout */
.callout{background:transparent;border:1px solid var(--rule-soft);border-radius:6px;padding:12px 16px;margin:24px 0;max-width:720px;font-size:15px;line-height:1.55}
.callout .label{display:block;margin-bottom:6px;color:var(--ink-muted)}
.callout p:last-child{margin-bottom:0}
.callout ul{margin:0 0 0 1.2em;padding:0}
/* tables */
.tw{overflow-x:auto;margin:16px 0 24px;max-width:100%}
.tw:focus-visible{outline-offset:-3px}
table{border-collapse:collapse;width:100%;font-size:15px;line-height:1.5}
caption{text-align:left;font-weight:700;padding-bottom:8px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--rule-soft);vertical-align:top}
thead th{background:transparent;border-bottom:2px solid var(--ink);font:700 13px/1.3 var(--font-text);text-transform:uppercase;letter-spacing:.06em}
td.n,th.n{text-align:right;font-weight:700}
/* faq */
.faq details{border-top:1px solid var(--rule-soft)}
.faq details:last-child{border-bottom:1px solid var(--rule-soft)}
.faq summary{min-height:48px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-weight:700;cursor:pointer;padding:8px 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:9px;height:9px;border:solid var(--ink);border-width:0 2px 2px 0;transform:rotate(45deg);margin-right:4px}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq details>div{padding:0 0 12px;max-width:680px}
/* count tape */
.tape{margin:24px 0;max-width:720px}
.tape svg{display:block;width:100%;height:auto}
.tape .cap{display:flex;justify-content:space-between;gap:16px;font-size:15px;color:var(--ink-muted);margin-top:4px}
.t-week{stroke:var(--rule);stroke-width:1.5}
.t-month{stroke:var(--ink);stroke-width:2}
.t-base{stroke:var(--ink);stroke-width:2}
.t-fill{fill:var(--wash)}
.t-today{fill:var(--signal)}
.t-event{fill:var(--event)}
@media(max-width:479px){.t-week{display:none}}
/* timer */
.timer{margin:20px 0 12px;display:grid;grid-template-columns:repeat(4,1fr);gap:8px;max-width:420px;font:700 var(--t-stat)/1 var(--font-text)}
.timer .tg{display:flex;flex-direction:column;gap:6px;padding:12px 0;border-top:2px solid var(--ink)}
.timer .u{font-size:12px;line-height:1.2;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-muted)}
/* lists */
.links{list-style:none;margin:0;padding:0;max-width:720px}
.links li{border-top:1px solid var(--rule-soft);padding:12px 0;display:flex;flex-wrap:wrap;gap:4px 16px;justify-content:space-between;align-items:baseline}
.links li:last-child{border-bottom:1px solid var(--rule-soft)}
.links a{font-weight:700}
.links a::after{content:"\2192";text-decoration:none;display:inline-block;margin-left:.45em}
.prose .links{padding:0}
.links li:hover{background:var(--wash)}
@media(min-width:768px){.links:not(.ev) li{display:grid;grid-template-columns:minmax(0,15em) 1fr;gap:0 24px}}
.links .meta{color:var(--ink-muted);font-size:15px}
.links .meta b{color:var(--ink);font-size:18px}
.ev b{font-size:20px}
/* prose / articles */
.prose{max-width:680px}
.prose>*:first-child{margin-top:0}
.prose h2{margin-top:var(--gap)}
.prose h3{margin:32px 0 8px}
.prose ul,.prose ol{padding-left:1.3em;margin:0 0 1em}
.prose li{margin-bottom:.4em}
.prose .tw,.prose .callout,.prose .panel,.prose .tape{max-width:none}
.art{display:block}
.toc{font-size:15px}
.toc ol{margin:8px 0 0;padding-left:1.2em}
.toc a{color:var(--ink)}
.toc-m{margin:24px 0;max-width:680px;border:1px solid var(--rule-soft);border-radius:6px;padding:8px 16px}
.toc-m summary{min-height:44px;display:flex;align-items:center;justify-content:space-between;font-weight:700;cursor:pointer;list-style:none}
.toc-m summary::-webkit-details-marker{display:none}
.toc-m summary::after{content:"";width:9px;height:9px;border:solid var(--ink);border-width:0 2px 2px 0;transform:rotate(45deg);margin:-3px 4px 0 0}
.toc-m[open] summary::after{transform:rotate(-135deg);margin-top:3px}
.toc-m[open]{background:var(--surface)}
.toc-d{display:none}
@media(min-width:1080px){
  .art{display:grid;grid-template-columns:680px 240px;gap:0 64px;align-items:start}
  .toc-m{display:none}.toc-d{display:block;position:sticky;top:24px}
}
/* slots: render nothing until filled */
.slot:empty{display:none}
.slot{margin:24px 0;border-top:1px solid var(--rule-soft);border-bottom:1px solid var(--rule-soft);padding-top:8px;min-height:90px}
.slot::before{content:attr(aria-label);display:block;font:700 13px/1.2 var(--font-text);text-transform:uppercase;letter-spacing:.08em;color:var(--ink-muted);margin-bottom:8px}
.slot-aside{display:none!important}
@media(min-width:1080px){.slot-aside:not(:empty){display:block!important;width:300px}}
/* footer */
.site-foot{background:var(--night);color:var(--on-night);padding:48px 0 32px;font-size:15px}
.site-foot a{color:var(--on-night)}
.site-foot a:visited{color:var(--on-night)}
.fcols{display:grid;gap:32px;grid-template-columns:1fr 1fr}
@media(min-width:768px){.fcols{grid-template-columns:repeat(4,1fr)}}
.fcols h2{font:700 13px/1.2 var(--font-text);text-transform:uppercase;letter-spacing:.08em;color:var(--night-muted);margin:0 0 8px;padding:0;border:0}
.fcols ul{list-style:none;margin:0;padding:0}
.fcols a{display:inline-block;padding:10px 0}
.foot-note{border-top:1px solid var(--night-rule);margin-top:32px;padding-top:24px;color:var(--night-muted);max-width:720px}
.foot-note p{margin:0 0 8px}
/* figures */
figure{margin:24px 0;width:fit-content;max-width:100%}
figure img{display:block;max-width:min(22rem,100%)!important;height:auto}
figcaption{font-size:14px;line-height:1.5;color:var(--ink-muted);margin-top:8px}
/* typographic finish */
h1,h2,h3,.lead{text-wrap:balance}
p,li{text-wrap:pretty}
.num,.dtext,.timer,.ledger dd,td.n{font-variant-numeric:lining-nums tabular-nums}
.btn:active{transform:translateY(1px)}
.btn,.theme-btn,input,select{transition:background-color .15s ease-out,border-color .15s ease-out}
input:focus-visible,select:focus-visible{border-color:var(--focus)}
/* browser surfaces */
html{scrollbar-color:var(--rule) var(--paper)}
input,select,textarea{caret-color:var(--signal)}
input[type=checkbox]{accent-color:var(--signal)}
::selection{background:var(--signal);color:var(--on-signal)}
::placeholder{color:var(--ink-muted);opacity:1}
img{filter:none}
:root[data-theme="dark"] img{filter:brightness(.88)}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) img{filter:brightness(.88)}}
/* misc */
.center{text-align:center;padding:96px 0}
.stack>*+*{margin-top:16px}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}}
@media print{:root,:root[data-theme]{--paper:#fff;--surface:#fff;--wash:#fff;--ink:#000;--ink-muted:#000;--signal:#000;--rule:#000;--rule-soft:#999}.theme-btn{display:none!important}img{filter:none!important}.site-head,.site-foot,.slot,.skip,.panel form,.toc-m,.toc-d,.btn{display:none!important}body{background:#fff;font-size:12pt}a{color:#000}
  .chain{display:grid!important;grid-template-columns:repeat(10,1fr);gap:4px}}
/* design review 3: answer-first stack on Christmas, side-by-side calculator on wide screens, aligned date fields */
.panel-answer{display:flex;flex-direction:column}
.panel-answer .result{order:-1}
.panel-answer .result+form{border-top:1px solid var(--rule)}
@media(min-width:480px){
.row2 .field{display:grid;grid-template-rows:subgrid;grid-row:span 4;margin-bottom:12px}
.row2 .field .hint{order:4;margin:8px 0 0}
.row2 .field .lbl,.row2 .field label{margin-bottom:6px}
.row2{grid-template-rows:auto auto auto auto}
}
@media(min-width:960px){
.panel,.panel-answer{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);max-width:none;align-items:stretch}
.panel form{grid-column:1;grid-row:1}
.panel .error{grid-column:1;grid-row:2}
.panel .result{grid-column:2;grid-row:1/span 2;order:0;border-left:1px solid var(--rule);border-top:0!important}
.panel .result+form,.panel-answer .result+form{border-top:0}
.panel:not(.panel-answer) form{align-self:start}
}