/* Elevators: a drafting sheet that fills the screen and never scrolls. Snowball Rank's palette (navy,
   glacier blue, ice, cream paper, clay) as a navy blueprint with ice linework, or (data-theme="paper")
   cream drafting paper in glacier-blue ink. Sharp corners and mono labels.
   Contrast: text is at least 4.5:1 on the sheet in both themes; --line and --rule (the lines that carry
   information: shafts, floors, lamps, borders of controls) are at least 3:1; --faint is decoration only. */
:root{
  --sheet:#0f192d; --raised:#16233d; --shaft:#0a1222; --car:#1d2e52; --door:rgba(15,25,45,.5);
  --grid:rgba(126,166,234,.05); --grid-major:rgba(126,166,234,.09);
  --ink:#f1f6fe; --text:#dce9fb; --muted:#b4c9e6; --soft:#93b6f0; --line:#a9c4ec; --rule:#7594c9; --faint:rgba(143,176,224,.2);
  --accent:#f5a273; --accent-ink:#0f192d; --ride:#7ea6ea;
  --primary:#dce9fb; --primary-ink:#0f192d;
  --note:#f4f1e8; --note-ink:#101a2e; --note-h:#9a4313;
  --hover:rgba(126,166,234,.12); --pick:rgba(245,162,115,.26);
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  color-scheme:dark;
}
:root[data-theme="paper"]{
  --sheet:#fffdf6; --raised:#f4f1e8; --shaft:#e9eefb; --car:#fffdf6; --door:rgba(233,238,251,.55);
  --grid:rgba(36,80,184,.05); --grid-major:rgba(36,80,184,.09);
  --ink:#0b1424; --text:#17223a; --muted:#46506a; --soft:#1f47a8; --line:#1f47a8; --rule:#5c7bc6; --faint:rgba(36,80,184,.18);
  --accent:#a8480f; --accent-ink:#fffdf6; --ride:#2450b8;
  --primary:#1f47a8; --primary-ink:#fffdf6;
  --note:#dce9fb; --note-ink:#101a2e; --note-h:#1f47a8;
  --hover:rgba(36,80,184,.08); --pick:rgba(168,72,15,.18);
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
html,body{height:100%}
body{
  margin:0;overflow:hidden;color:var(--text);font:400 14px/1.45 Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased;
  background-color:var(--sheet);
  background-image:linear-gradient(var(--grid-major) 1px,transparent 1px),linear-gradient(90deg,var(--grid-major) 1px,transparent 1px),linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:80px 80px,80px 80px,16px 16px,16px 16px;
  height:100dvh;display:grid;grid-template-columns:minmax(0,1fr) clamp(340px,29vw,420px);grid-template-rows:auto auto minmax(0,1fr) auto;
  grid-template-areas:"top top" "bar bar" "stage panel" "cap panel";
  padding:0 env(safe-area-inset-right) 0 env(safe-area-inset-left);
}
.mono{font-family:var(--mono)}
button,select,input{font:inherit;color:inherit}
button{cursor:pointer}
button:disabled{cursor:default;opacity:.45}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
[hidden]{display:none!important}
p{margin:0}

/* ---------- top: where you are ---------- */
.top{grid-area:top;display:flex;align-items:center;gap:16px;padding:10px 18px 0;min-width:0}
.back{flex:none;display:flex;align-items:center;gap:9px;font-size:12px;color:var(--muted);text-decoration:none}
.back:hover{color:var(--ink)}
.back svg{width:15px;height:15px}
.back svg path{fill:var(--ink)}
h1{flex:1;min-width:0;margin:0;font-size:16px;font-weight:600;letter-spacing:-.015em;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
h1 span{font-weight:400;color:var(--muted)}
.top-right{flex:none;display:flex;gap:6px}
.ghost{background:none;border:1px solid var(--rule);padding:4px 9px;font-size:12px;color:var(--text)}
.ghost:hover{color:var(--ink);border-color:var(--line)}

/* ---------- the bar: run it, and what to run ---------- */
.bar{grid-area:bar;display:flex;align-items:center;gap:10px 16px;flex-wrap:wrap;margin:10px 18px 0;padding:10px 0;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.transport,.pickers{display:flex;align-items:center;gap:8px}
.pickers{gap:8px 14px;flex-wrap:wrap;margin-left:auto}
.btn{background:var(--sheet);border:1px solid var(--line);height:38px;padding:0 13px;font-size:13px;font-weight:500;color:var(--ink)}
.btn:hover:not(:disabled){background:var(--hover)}
.btn.primary{min-width:104px;background:var(--primary);border-color:var(--primary);color:var(--primary-ink);font-weight:600;font-size:14px;letter-spacing:.02em}
.btn.primary:hover{filter:brightness(1.08);background:var(--primary)}
.seg{display:flex;margin-left:4px}
.seg button{background:var(--sheet);border:1px solid var(--rule);margin-left:-1px;width:33px;height:38px;padding:0;font-size:12px;color:var(--muted)}
.seg button:hover{color:var(--ink)}
.seg button.on{position:relative;background:var(--raised);border-color:var(--line);color:var(--ink);font-weight:600}
.clock{min-width:68px;margin-left:8px;font-size:16px;font-weight:500;color:var(--ink);font-variant-numeric:tabular-nums}
.pk{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted)}
.pk select{height:38px;max-width:172px;padding:0 28px 0 10px;border:1px solid var(--rule);border-radius:0;font:500 13px var(--mono);color:var(--ink);appearance:none;-webkit-appearance:none;cursor:pointer;
  background:var(--sheet) linear-gradient(45deg,transparent 50%,var(--line) 50%) calc(100% - 15px) 16px/5px 5px no-repeat,var(--sheet) linear-gradient(135deg,var(--line) 50%,transparent 50%) calc(100% - 10px) 16px/5px 5px no-repeat;background-color:var(--sheet)}
.pk select:hover{border-color:var(--line)}
.steppers{display:flex;gap:8px 18px;flex-wrap:wrap}
.stepper{display:flex;align-items:center;gap:0;font-size:12px}
.st-l{margin-right:8px;color:var(--muted)}
.st-b{width:28px;height:38px;background:var(--sheet);border:1px solid var(--rule);padding:0;font-size:15px;line-height:1;color:var(--ink)}
.st-b:hover:not(:disabled){border-color:var(--line);background:var(--hover)}
.st-v{min-width:30px;font-size:14px;font-weight:600;color:var(--ink);text-align:center;font-variant-numeric:tabular-nums}

/* ---------- the drawing ---------- */
.stage{grid-area:stage;min-width:0;min-height:0;display:grid;place-items:center;padding:12px 18px 4px;overflow:hidden}
#building{display:block;max-width:100%;max-height:100%;touch-action:manipulation;-webkit-tap-highlight-color:transparent;user-select:none;-webkit-user-select:none}
#building text{font-family:var(--mono);fill:var(--muted)}
.floor{stroke:var(--rule);stroke-width:.9}
.shell{fill:none;stroke:var(--line);stroke-width:1.5}
.tick{stroke:var(--line);stroke-width:1}
#building .lbl{fill:var(--text);font-weight:500}
.ground{stroke:var(--line);stroke-width:2}
.hatch{stroke:var(--rule);stroke-width:.8}
.dim{stroke:var(--rule);stroke-width:.8}
.dim.thin{stroke-dasharray:1.5 2}
#building .dimtxt{fill:var(--muted);letter-spacing:.12em}
.shaft{fill:var(--shaft);stroke:var(--line);stroke-width:1.3}
.stem{stroke:var(--line);stroke-width:1}
.bubble{fill:var(--sheet);stroke:var(--line);stroke-width:1.3}
#building .bubble-t{fill:var(--ink);font-weight:600}
.rope{stroke:var(--rule);stroke-width:1;stroke-dasharray:3 2.5}
.path{stroke:var(--accent);stroke-width:2.4;stroke-linecap:round}
.car-box{fill:var(--car);stroke:var(--ink);stroke-width:1.9}
.car-hitch{fill:var(--ink)}
.car-arrow{fill:none}
.car-arrow.on{fill:var(--accent)}
.door{fill:var(--door);stroke:var(--ink);stroke-width:1}
.lamp{fill:none;stroke:var(--rule);stroke-width:1;stroke-linejoin:round}
.lamp.lit{fill:var(--accent);stroke:var(--accent);filter:drop-shadow(0 0 3px var(--accent))}
#building .lamp-t{fill:var(--accent);font-weight:600}
.mark{fill:var(--sheet);stroke:var(--line);stroke-width:1.2}
.mark.next{fill:var(--accent);stroke:var(--accent)}
#building .mark-t{fill:var(--ink);font-weight:500}
#building .mark-t.next{fill:var(--accent-ink);font-weight:700}
.person circle{fill:var(--sheet);stroke:var(--ink);stroke-width:1.5}
.person path{fill:none;stroke:var(--ink);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.person .tag{fill:var(--note)}
#building .tag-t{fill:var(--note-ink);font-weight:600}
.person.pending circle,.person.pending path{stroke-dasharray:2 1.6}
.person.hot circle,.person.hot path{stroke:var(--accent);stroke-width:2}
.person.hot .tag{fill:var(--accent)}
.fig.arrive{animation:arrive .45s cubic-bezier(.2,.9,.3,1.2)}
@keyframes arrive{from{transform:translateY(-7px);opacity:.2}}
.hit{fill:transparent;cursor:copy;outline:none}
.hit:hover,.hit:focus-visible{fill:var(--hover)}
.picking .hit:hover,.picking .hit:focus-visible,.hit.from{fill:var(--pick)}

/* the caption: what to do, then the last decision */
.callout{grid-area:cap;margin:6px 18px 14px;padding:2px 0 2px 12px;border-left:3px solid var(--accent);min-height:2.9em;font-size:14px;line-height:1.45;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-wrap:pretty}
.callout.hint{border-left-color:var(--rule);color:var(--text)}

/* ---------- the panel ---------- */
.panel{grid-area:panel;min-height:0;display:flex;flex-direction:column;margin:12px 18px 14px 0;border:1px solid var(--rule);background:var(--sheet)}
.tabs{flex:none;display:flex;border-bottom:1px solid var(--rule)}
.tabs button{flex:1 1 auto;background:none;border:0;border-right:1px solid var(--faint);padding:10px 4px 9px;font-size:12px;color:var(--muted);white-space:nowrap}
.tabs button:last-child{border-right:0}
.tabs button:hover{color:var(--ink)}
.tabs button.on{background:var(--raised);color:var(--ink);font-weight:600;box-shadow:inset 0 -2px 0 var(--accent)}
.tabs button.ready::after{content:"";display:inline-block;width:6px;height:6px;margin-left:6px;border-radius:50%;background:var(--accent);vertical-align:1px}
.panes{flex:1;min-height:0;display:flex}
.pane{flex:1;min-width:0;min-height:0;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;padding:14px}
.link{background:none;border:0;padding:0;font:inherit;color:var(--soft);text-decoration:underline;text-underline-offset:3px}
.link:hover{color:var(--ink)}
.fine{margin-top:12px;font-size:12px;line-height:1.5;color:var(--muted)}
.fine a,.about a{color:var(--soft);text-underline-offset:3px}
.empty{padding:14px;border:1px dashed var(--rule);font-size:13px;color:var(--text)}

/* live: the note, each car's queue, the log */
#tab-live{display:flex;flex-direction:column;gap:10px;overflow:hidden}
.sticky{flex:none;padding:10px 12px 11px;background:var(--note);color:var(--note-ink);font-size:13px;line-height:1.4;box-shadow:0 8px 14px -10px rgba(0,0,0,.6)}
.sticky p{text-wrap:pretty}
/* once it's running the room goes to the queues and the log; the note comes back while a rider is being placed */
.started:not(.placing) .sticky{display:none}
.sticky .sticky-h{margin-bottom:3px;font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--note-h)}
.flag{flex:none;position:relative;padding:0 0 0 24px;border-left:2px solid var(--accent);font-size:12.5px;line-height:1.45;color:var(--text)}
.flag::before{content:"△";position:absolute;left:7px;top:0;color:var(--accent)}
.queues{flex:0 1 auto;min-height:0;max-height:46%;overflow-y:auto;scrollbar-width:thin;display:grid;gap:6px}
.q{border:1px solid var(--rule);background:var(--raised);padding:7px 9px 8px}
.q.busy{border-color:var(--line)}
.q-top{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text)}
.q-id{display:grid;place-items:center;width:20px;height:20px;border:1.5px solid var(--line);border-radius:50%;font-size:12px;font-weight:600;color:var(--ink)}
.q-load{margin-left:auto;white-space:nowrap;color:var(--muted)}
.q-stops{display:flex;flex-wrap:wrap;gap:4px;align-items:stretch;list-style:none;min-height:30px;margin:6px 0 0;padding:0}
.stop{display:flex;align-items:baseline;gap:5px;padding:4px 7px;border:1px solid var(--rule);line-height:1.2;white-space:nowrap}
.stop b{font-size:14px;font-weight:600;color:var(--ink)}
.stop small{font-size:12px;color:var(--muted)}
.stop.next{background:var(--accent);border-color:var(--accent)}
.stop.next b,.stop.next small{color:var(--accent-ink)}
.stop.taken{border-style:dashed}
.turn{align-self:center;font-size:14px;color:var(--soft)}
.q-none{align-self:center;font-size:12px;color:var(--muted)}
.log{flex:1 1 0;min-height:90px;list-style:none;margin:0;padding:0 4px 0 0;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;border-top:1px solid var(--rule);font-size:12.5px;line-height:1.45}
.log li{display:grid;grid-template-columns:36px 1fr;gap:8px;padding:5px 0;border-bottom:1px solid var(--faint);color:var(--text)}
.log time{font-size:12px;color:var(--soft);text-align:right;font-variant-numeric:tabular-nums}
.log .k-board,.log .k-alight,.log .k-call{color:var(--muted)}
.log .k-plan span,.log .k-assign span{color:var(--ink)}
.log .k-pass span{color:var(--accent)}
.log .k-done{font-weight:600;color:var(--ink)}
.log .log-empty{display:block;border:0;color:var(--muted)}

/* riders */
.tools{display:flex;align-items:center;gap:8px 14px;flex-wrap:wrap;margin-bottom:10px;font-size:12px;color:var(--text)}
.newt{margin-right:auto}
.newt input,.r-time input{width:50px;margin:0 4px;padding:4px;background:var(--sheet);border:1px solid var(--rule);font:500 12px var(--mono);color:var(--ink);text-align:right;border-radius:0}
.rider-list{list-style:none;margin:0;padding:0;--now:0}
.rider{display:grid;grid-template-columns:30px minmax(0,1fr) auto 24px;align-items:center;column-gap:8px;row-gap:1px;padding:7px 0 4px;border-top:1px solid var(--faint);font-size:12px}
.r-name{font-weight:600;color:var(--ink)}
.r-trip{display:flex;align-items:center;gap:5px;color:var(--soft)}
.r-trip select,.starts select{appearance:none;-webkit-appearance:none;background:var(--sheet);border:1px solid var(--rule);padding:4px 6px;min-width:42px;font:500 12px var(--mono);color:var(--ink);text-align:center;text-align-last:center;border-radius:0;cursor:pointer}
.r-time{display:flex;align-items:center;color:var(--muted);white-space:nowrap}
.r-track,.axis{position:relative;height:20px;margin:0 7px}
.r-track{grid-column:1/-1;grid-row:2;background:linear-gradient(var(--rule),var(--rule)) 0 50%/100% 1px no-repeat}
.r-track i{position:absolute;top:50%;height:0;min-width:0}
.r-track .wait{border-top:3px dotted var(--accent);margin-top:-1.5px}
.r-track .ride{height:7px;margin-top:-3.5px;background:var(--ride)}
.dot{position:absolute;top:50%;left:0;width:12px;height:12px;margin:-6px 0 0 -6px;border-radius:50%;background:var(--sheet);border:2px solid var(--ink);cursor:ew-resize;touch-action:none}
.dot::after{content:"";position:absolute;inset:-9px}
.dot:hover,.dot.drag{background:var(--accent);border-color:var(--accent)}
.rider-list.started .r-track::after{content:"";position:absolute;top:-4px;bottom:-4px;left:calc(var(--now)*100%);width:1px;background:var(--ink);opacity:.6}
.r-out{grid-column:1/-1;grid-row:3;min-height:1.4em;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.r-x{grid-row:1;grid-column:4;background:none;border:0;padding:4px;font-size:16px;line-height:1;color:var(--muted)}
.r-x:hover{color:var(--accent)}
.axis{height:18px;font-size:12px;color:var(--muted)}
.axis span{position:absolute;bottom:1px;transform:translateX(-50%);white-space:nowrap}
.axis span:first-child{transform:none}
.axis span:last-child{transform:translateX(-100%)}
.key{display:flex;gap:6px 14px;flex-wrap:wrap;margin-top:10px;padding-top:10px;border-top:1px solid var(--faint);font-size:12px;color:var(--muted)}
.key span{display:flex;align-items:center;gap:6px}
.key i{display:inline-block}
.k-dot{width:10px;height:10px;border-radius:50%;border:2px solid var(--ink)}
.k-wait{width:18px;border-top:3px dotted var(--accent)}
.k-ride{width:18px;height:7px;background:var(--ride)}

/* results */
.verdict{margin-bottom:12px;font-size:15px;font-weight:500;line-height:1.4;color:var(--ink);text-wrap:pretty}
.tiles{display:grid;grid-template-columns:repeat(3,1fr);border-left:1px solid var(--rule);border-top:1px solid var(--rule)}
.tile{display:grid;gap:1px;padding:8px 9px;border-right:1px solid var(--rule);border-bottom:1px solid var(--rule);background:var(--raised);min-width:0}
.tile small{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tile b{font-size:19px;font-weight:600;letter-spacing:-.02em;color:var(--ink);font-variant-numeric:tabular-nums}
.compare{width:100%;margin-top:14px;border-collapse:collapse;font-size:12px}
.compare th,.compare td{padding:7px 8px 7px 0;border-bottom:1px solid var(--faint);text-align:left;vertical-align:top;font-weight:400}
.compare thead th{color:var(--muted);border-bottom-color:var(--rule)}
.compare .v{display:block;color:var(--text);font-variant-numeric:tabular-nums;white-space:nowrap}
.compare .meter{display:block;height:3px;margin-top:4px;background:var(--rule)}
.compare .best .v{color:var(--ink);font-weight:700}
.compare .best .meter{background:var(--accent)}
.compare tr.on th,.compare tr.on td{background:var(--raised)}
.compare tbody th{padding-left:7px}
.rule{background:none;border:0;padding:0;font:500 12px var(--mono);color:var(--soft);text-align:left;text-decoration:underline;text-underline-offset:3px}
.compare tr.on .rule{color:var(--ink);font-weight:700;text-decoration:none}
.rule:hover{color:var(--ink)}

/* setup */
#tab-setup .steppers{display:grid;gap:8px}
#tab-setup .stepper{display:grid;grid-template-columns:1fr 34px 40px 34px}
#tab-setup .st-l{font-size:13px;color:var(--text)}
#tab-setup .st-b{width:auto}
.starts{display:flex;align-items:center;gap:8px 12px;flex-wrap:wrap;margin-top:14px;font-size:12px;color:var(--text)}
.starts label{display:flex;align-items:center;gap:5px;color:var(--ink)}

/* about */
.about h2{margin:0 0 8px;font-size:14px;font-weight:600;color:var(--ink)}
.about h2:not(:first-child){margin-top:18px}
.about dl,.about ul{margin:0;padding:0;font-size:13px;line-height:1.5;color:var(--text)}
.about dt{font:500 12.5px var(--mono);color:var(--ink)}
.about dd{margin:1px 0 10px}
.about ul{padding-left:17px}
.about li{margin-bottom:6px}

/* a laptop: the two pickers say what they are by what's in them */
@media (max-width:1380px){
  .pk span{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
}
/* ---------- a phone: the drawing on top, the panel a sheet you pull up, Run at the bottom ---------- */
@media (max-width:860px){
  body{grid-template-columns:minmax(0,1fr);grid-template-rows:auto auto minmax(0,1fr) auto auto auto;grid-template-areas:"top" "pick" "stage" "cap" "panel" "run";padding-bottom:env(safe-area-inset-bottom)}
  .top{padding:8px 12px 0;gap:10px}
  h1 span{display:none}
  .bar{display:contents}
  .pickers{grid-area:pick;margin:8px 12px 0;gap:8px;flex-wrap:nowrap}
  .pickers .steppers{display:none}
  .pk{flex:1;min-width:0;gap:0}
  .pk span{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
  .pk select{width:100%;max-width:none;height:40px}
  .stage{padding:8px 10px 2px}
  .callout{margin:4px 12px 8px;font-size:13px;min-height:2.9em}
  .panel{margin:0;border-width:1px 0 0}
  .panel .panes{display:none}
  .panel.open .panes{display:flex;height:min(46dvh,400px)}
  .tabs button{padding:11px 2px 10px}
  .panel:not(.open) .tabs button.on{background:none;font-weight:400;color:var(--muted);box-shadow:none}
  .transport{grid-area:run;flex-wrap:wrap;gap:6px;padding:8px 12px 10px;border-top:1px solid var(--rule);background:var(--sheet)}
  .btn{height:44px}
  .btn.primary{flex:1 1 120px;min-width:0}
  .seg{margin-left:0}
  .seg button{width:42px;height:36px}
  .clock{margin-left:auto;text-align:right}
  .queues{max-height:50%}
}
@media (max-height:560px) and (min-width:861px){
  .sticky{display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
}