/* Petri Playground. One dark theme by choice: the bench is a fluorescence microscope. */
:root {
  color-scheme: dark;
  --ink: #070b0e;
  --panel: #0d1419;
  --panel-2: #121c22;
  --line: #1f2c33;
  --line-2: #2b3b44;
  --text: #d9e4e7;
  --muted: #8a9da4;
  --faint: #5d6f76;
  --o2: #33b9cf;
  --meat: #ff5a7a;
  --feeder: #f5b83d;
  --necro: #c46c2c;
  --apop: #e5383b;
  --good: #5fd39a;
  --wild: #a4e33a;
  --boost: #b48cff;
  --anti: #dfe9ff;
  --photo: #2fd08a;
  --bone: #e9e1c9;
  --blood: #ff3b4e;
  --vessel: #c0243f;
  --immune: #9fd4ff;
  --bact: #d65cff;
  --fungus: #d9b36c;
  --leaf: #b0703a;
  --crumb: #e6c98a;
  --rock: #9aa3a8;
  --copper: #d98a4e;
  /* microbes: one colour each, for the tool swatch, the drawing and the chart line */
  --m-paramecium: #7aa7ff;
  --m-didinium: #ff8a4c;
  --m-rotifer: #e8c874;
  --m-euglena: #86f0b0;
  --m-bdello: #fff07a;
  --m-yeast: #f5e6c4;
  --m-penicillium: #3fa7b5;
  --m-bacillus: #f0a6e8;
  --m-pseudomonas: #48d8c8;
  --m-dicty: #ffb3a0;
  --m-trichoderma: #3fae5a;
  --m-myxo: #ffcf5c;
  --display: "Chakra Petch", "Bahnschrift", "DIN Alternate", system-ui, sans-serif;
  --body: "Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}
html, body { min-height: 100%; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font: 14px/1.5 var(--body);
}
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
button, select, input, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--o2); outline-offset: 2px; }
a { color: var(--o2); }

.app { max-width: 1260px; margin: 0 auto; padding: 10px 16px 28px; }

/* ---------- top bar ---------- */
.topbar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px;
  margin: 0 0 12px; min-height: 40px;
}
.studio {
  font: 600 11px/1 var(--display); letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted); text-decoration: none; padding: 6px 0;
}
.studio:hover { color: var(--text); }
.brand {
  font: 700 22px/1 var(--display); letter-spacing: 0.03em; text-transform: uppercase;
  background: none; border: 0; padding: 4px 0; color: var(--text);
}
.brand span { color: var(--meat); }
.crumbs { display: flex; gap: 6px; align-items: center; color: var(--muted); font-size: 13px; min-width: 0; }
.crumbs button { background: none; border: 0; padding: 4px 2px; color: var(--o2); }
.crumbs b { color: var(--text); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topright { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.startotal { font: 600 13px var(--mono); color: var(--feeder); white-space: nowrap; }

/* ---------- shared controls ---------- */
.btn {
  border: 1px solid var(--line-2); background: var(--panel-2); border-radius: 8px;
  padding: 8px 12px; font-weight: 600;
}
.btn:hover:not(:disabled) { border-color: var(--muted); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn.primary {
  background: var(--feeder); color: #1b1203; border-color: var(--feeder);
  font-family: var(--display); letter-spacing: 0.06em; text-transform: uppercase;
}
.btn.primary:hover:not(:disabled) { filter: brightness(1.08); }
.btn.small { padding: 5px 9px; font-size: 12px; }
.btn.big { padding: 13px 26px; font-size: 16px; }
.btn.ghost { background: none; }
.row { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.seg { display: inline-flex; border: 1px solid var(--line-2); border-radius: 8px; overflow: hidden; }
.seg button { border: 0; background: var(--panel-2); padding: 7px 10px; font: 600 12px var(--mono); }
.seg button + button { border-left: 1px solid var(--line-2); }
.seg button[aria-pressed="true"] { background: var(--o2); color: #031318; }
.hint { color: var(--muted); font-size: 12px; margin: 8px 0 0; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px; }
.card h2 {
  font: 600 11px/1 var(--display); letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted); margin: 0 0 10px;
}
.toggle { display: flex; align-items: center; gap: 8px; font-size: 12px; cursor: pointer; }
.toggle input { accent-color: var(--o2); }
select { background: var(--panel-2); border: 1px solid var(--line-2); border-radius: 8px; padding: 7px 8px; max-width: 100%; }
textarea {
  width: 100%; min-height: 120px; background: #05090b; border: 1px solid var(--line-2);
  border-radius: 8px; padding: 8px; font: 12px/1.4 var(--mono); resize: vertical;
}
.stars { color: var(--feeder); letter-spacing: 1px; }
.stars .off { color: var(--line-2); }

/* ---------- title screen ---------- */
.title-screen {
  display: grid; justify-items: center; text-align: center; gap: 14px;
  padding: 28px 0 40px;
}
.logo-dish { width: min(300px, 70vw); height: auto; }
.title-screen h1 {
  font: 700 clamp(40px, 9vw, 76px)/0.95 var(--display); letter-spacing: 0.02em;
  text-transform: uppercase; margin: 6px 0 0;
}
.title-screen h1 span { color: var(--meat); display: block; }
.pitch { max-width: 36em; color: var(--text); font-size: 16px; margin: 0; text-wrap: balance; }
.fine { max-width: 40em; color: var(--muted); font-size: 12px; margin: 10px 0 0; text-wrap: balance; }
.title-screen .row { justify-content: center; margin-top: 6px; }
.title-progress { font: 600 13px var(--mono); color: var(--feeder); min-height: 1.5em; }

/* ---------- experiment select ---------- */
.chapter { margin: 0 0 22px; }
.chapter-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; margin: 0 0 10px; }
.chapter-head h2 { font: 700 20px/1.1 var(--display); letter-spacing: 0.03em; margin: 0; text-transform: uppercase; }
.chapter-head p { margin: 0; color: var(--muted); flex: 1 1 260px; }
.chapter-head .stars { font: 600 13px var(--mono); }
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; }
.tile {
  position: relative; text-align: left; background: var(--panel); border: 1px solid var(--line);
  border-radius: 10px; padding: 12px 14px 12px; display: grid; gap: 4px; min-height: 108px;
}
.tile:hover:not(:disabled) { border-color: var(--muted); }
.tile:disabled { opacity: 0.45; cursor: not-allowed; }
.tile .num { font: 600 11px var(--mono); color: var(--muted); }
.tile b { font: 700 17px/1.15 var(--display); letter-spacing: 0.02em; }
.tile small { color: var(--muted); font-size: 12px; }
.tile .foot { display: flex; justify-content: space-between; align-items: baseline; margin-top: auto; font-size: 12px; }
.tile .best { font: 12px var(--mono); color: var(--muted); }
.tile.next { border-color: var(--feeder); box-shadow: inset 0 0 0 1px rgba(245, 184, 61, 0.4); }
.tile.free { border-style: dashed; }
.lock { font: 600 11px var(--mono); color: var(--faint); }
.select-foot { display: flex; justify-content: flex-end; margin-top: 8px; }

/* ---------- bench ---------- */
.bench {
  display: grid; gap: 16px;
  grid-template-columns: minmax(0, 1fr) 360px; align-items: start;
}
.scope {
  position: relative; background: #04070a; border: 1px solid var(--line);
  border-radius: 10px; overflow: hidden; aspect-ratio: 1 / 1; max-width: 100%;
  touch-action: none;
}
.scope canvas { display: block; width: 100%; height: 100%; cursor: crosshair; }
.hud {
  position: absolute; pointer-events: none; font: 12px/1.35 var(--mono);
  color: var(--text); text-shadow: 0 1px 2px #000;
}
.hud.tl { top: 12px; left: 14px; }
.hud.tr { top: 12px; right: 14px; text-align: right; }
.hud.bl { bottom: 12px; left: 14px; max-width: 58%; }
.hud.br { bottom: 12px; right: 14px; text-align: right; max-width: 48%; white-space: pre-line; }
.hud .clock { font: 600 20px/1 var(--display); letter-spacing: 0.04em; }
.phase {
  display: inline-block; font: 600 11px/1 var(--display); letter-spacing: 0.14em;
  text-transform: uppercase; padding: 5px 8px; border-radius: 4px;
  background: rgba(245, 184, 61, 0.14); color: var(--feeder); margin-bottom: 6px;
}
.phase.run { background: rgba(51, 185, 207, 0.14); color: var(--o2); }
.phase.done { background: rgba(95, 211, 154, 0.14); color: var(--good); }
.scalebar { display: flex; flex-direction: column; gap: 4px; margin-top: 8px; }
.scalebar i { display: block; height: 3px; background: var(--text); border-radius: 1px; }
.o2key { display: flex; flex-direction: column; gap: 4px; align-items: flex-end; }
.o2key .ramp { width: 140px; height: 8px; border-radius: 2px; }
.o2key .ticks { width: 140px; display: flex; justify-content: space-between; color: var(--muted); font-size: 10px; }
.ticker { display: flex; flex-direction: column; gap: 3px; }
.ticker span {
  display: block; background: rgba(4, 7, 10, 0.72); border-left: 2px solid var(--o2);
  padding: 3px 7px; border-radius: 2px; font-size: 11px; line-height: 1.3;
  transition: opacity 0.6s;
}
.ticker span.alert { border-left-color: var(--apop); color: #ffd7d7; }
.ticker span.wild { border-left-color: var(--wild); }
.ticker span.good { border-left-color: var(--feeder); }
.ticker span.fade { opacity: 0; }

.zoombox {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 4px;
}
.zoombox button {
  width: 30px; height: 30px; border-radius: 6px; border: 1px solid var(--line-2);
  background: rgba(13, 20, 25, 0.85); font: 600 16px/1 var(--mono); padding: 0;
}
.zoombox button:hover { border-color: var(--muted); }

.toast {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  background: rgba(7, 11, 14, 0.92); border: 1px solid var(--line-2); border-radius: 10px;
  padding: 16px 20px; max-width: min(420px, 86%); text-align: center; pointer-events: none;
}
.toast.alert { border-color: var(--apop); }

.coach {
  position: absolute; left: 50%; top: 56px; transform: translateX(-50%);
  width: min(430px, calc(100% - 28px)); background: rgba(13, 20, 25, 0.96);
  border: 1px solid var(--feeder); border-radius: 10px; padding: 12px 14px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.55);
}
.coach p { margin: 0 0 10px; }
.coach .row { justify-content: space-between; }
.coach .count { font: 11px var(--mono); color: var(--muted); }

.console { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.brief h3 { font: 700 21px/1.15 var(--display); margin: 0 0 4px; text-wrap: balance; }
.brief .tagline { color: var(--feeder); font: 600 12px var(--mono); margin: 0 0 6px; }
.brief p { margin: 0 0 8px; }
.specs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin-top: 10px; }
.spec { background: var(--panel-2); border-radius: 6px; padding: 7px 8px; }
.spec b { display: block; font: 600 14px/1.2 var(--mono); }
.spec small { color: var(--muted); font-size: 11px; }

.tools { display: grid; grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 6px; }
.tool {
  border: 1px solid var(--line-2); background: var(--panel-2); border-radius: 8px;
  padding: 8px; text-align: left; display: flex; flex-direction: column; gap: 2px;
}
.tool:hover:not(:disabled) { border-color: var(--muted); }
.tool[aria-pressed="true"] { border-color: var(--o2); box-shadow: inset 0 0 0 1px var(--o2); }
.tool:disabled { opacity: 0.4; cursor: not-allowed; }
.tool b { font: 600 13px/1.2 var(--display); letter-spacing: 0.03em; }
.tool small { color: var(--muted); font-size: 11px; font-family: var(--mono); }
.tool .sw { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; vertical-align: 1px; }
.subrow { margin-top: 10px; }
.subrow label { font-size: 12px; color: var(--muted); margin-right: 4px; }

.stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.stat { background: var(--panel-2); border-radius: 6px; padding: 8px 10px; }
.stat small { display: block; color: var(--muted); font-size: 11px; }
.stat b { font: 600 18px/1.2 var(--mono); font-variant-numeric: tabular-nums; }
.stat b em { font-style: normal; font-size: 11px; color: var(--muted); font-weight: 400; margin-left: 3px; }
.stat.yield { grid-column: 1 / -1; }
.stat.yield b { font-size: 26px; color: var(--meat); }
.goal { height: 6px; background: var(--line); border-radius: 3px; position: relative; margin-top: 8px; }
.goal i { position: absolute; left: 0; top: 0; bottom: 0; background: var(--meat); border-radius: 3px; max-width: 100%; }
.goal s { position: absolute; top: -3px; width: 2px; height: 12px; background: var(--feeder); text-decoration: none; }
.chart { width: 100%; height: 130px; display: block; margin-top: 12px; }
.legend { display: flex; flex-wrap: wrap; gap: 4px 12px; font-size: 11px; color: var(--muted); margin-top: 6px; }
.legend span::before { content: ""; display: inline-block; width: 10px; height: 3px; margin-right: 5px; vertical-align: 3px; background: var(--c); }
.legend span.scale-note::before { display: none; }
.legend .scale-note { color: var(--faint); }
/* the readouts card shows the experiments' stats or the habitats' populations, never both */
.c-readouts:not(.habitat) .hab, .c-readouts.habitat .exp { display: none; }
/* a field experiment counts its populations but charts its yield against the star marks */
.c-readouts.field .stat.nf, .c-readouts.field .legend.hab { display: none; }
.c-readouts.habitat.field .legend.exp { display: flex; }
.stat .dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 5px; background: var(--c); vertical-align: 0; }
.tools .group { grid-column: 1 / -1; font: 600 10px/1 var(--display); letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint); margin: 4px 0 0; }
/* the microbe drawer: its group label opens and closes it */
.tools .group.drawer { appearance: none; background: none; border: 0; padding: 4px 0; text-align: left; cursor: pointer; color: var(--muted); }
.tools .group.drawer:hover { color: var(--text); }
.tools .group.drawer::after { content: " \25B8"; }
.tools .group.drawer[aria-expanded="true"]::after { content: " \25BE"; }
.tools .subgroup { grid-column: 1 / -1; font: 500 10px/1 var(--display); letter-spacing: 0.1em; text-transform: uppercase; color: var(--faint); margin: 2px 0 -2px; }
.tools [hidden] { display: none; }
.tile.habitat { border-color: rgba(47, 208, 138, 0.35); }
.tile.hardcore { border-color: rgba(229, 56, 59, 0.55); }
.tile.field.pond { border-color: rgba(51, 185, 207, 0.4); }
.tile.field.forest { border-color: rgba(176, 112, 58, 0.5); }
.tile .tag { font: 600 10px var(--display); letter-spacing: 0.12em; text-transform: uppercase; color: var(--apop); }

.params { display: grid; gap: 10px; }
.param label { display: flex; justify-content: space-between; font-size: 12px; gap: 8px; }
.param label output { font-family: var(--mono); color: var(--o2); }
.param small { display: block; color: var(--faint); font: 10px var(--mono); }
.param input[type="range"] { width: 100%; accent-color: var(--o2); }

/* ---------- modals ---------- */
.modal {
  position: fixed; inset: 0; background: rgba(2, 4, 6, 0.74); display: grid; place-items: center;
  padding: 16px; z-index: 10;
}
.sheet {
  background: var(--panel); border: 1px solid var(--line-2); border-radius: 12px;
  width: min(540px, 100%); max-height: 100%; overflow: auto; padding: 22px;
}
.sheet h3 { font: 700 24px/1.15 var(--display); margin: 0 0 6px; text-wrap: balance; }
.sheet h4 { font: 600 12px/1 var(--display); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin: 16px 0 8px; }
.sheet p { margin: 0 0 12px; }
.bigstars { font-size: 34px; letter-spacing: 6px; color: var(--feeder); margin: 2px 0 6px; }
.bigstars .off { color: var(--line-2); }
.bigstars span { display: inline-block; animation: pop 0.45s both; }
.bigstars span:nth-child(2) { animation-delay: 0.25s; }
.bigstars span:nth-child(3) { animation-delay: 0.5s; }
@keyframes pop { from { transform: scale(0.2); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.result-yield { font: 600 30px/1.1 var(--mono); color: var(--meat); margin: 0 0 4px; }
.result-yield em { font-style: normal; font-size: 14px; color: var(--muted); margin-left: 4px; }
.badge { display: inline-block; font: 600 11px var(--display); letter-spacing: 0.12em; text-transform: uppercase; padding: 4px 8px; border-radius: 4px; background: rgba(245, 184, 61, 0.16); color: var(--feeder); margin-left: 8px; vertical-align: 4px; }
.labnote { background: var(--panel-2); border-left: 3px solid var(--o2); border-radius: 4px; padding: 10px 12px; margin: 12px 0 14px; }
.science { color: var(--muted); font-size: 13px; padding-left: 18px; }
.science li { margin-bottom: 6px; }
.science code, .sheet code { font: 12px var(--mono); color: var(--text); }
.keys { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; font-size: 13px; color: var(--muted); }
.keys kbd { font: 12px var(--mono); color: var(--text); background: var(--panel-2); border: 1px solid var(--line-2); border-radius: 4px; padding: 1px 6px; justify-self: start; }

/* ---------- the Kitchen leaderboard ---------- */
.post { border-top: 1px solid var(--line); margin-top: 14px; padding-top: 4px; }
.post .hint { margin: 0 0 8px; }
.post label { font-size: 12px; color: var(--muted); }
#postInitials {
  width: 4.2em; background: #05090b; border: 1px solid var(--line-2); border-radius: 8px; padding: 6px 8px;
  font: 600 16px/1 var(--mono); letter-spacing: 0.2em; text-transform: uppercase; color: var(--text);
}
table.board { width: 100%; border-collapse: collapse; margin: 6px 0 10px; font-size: 13px; }
table.board th { font: 600 10px/1 var(--display); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); text-align: left; padding: 6px 6px; border-bottom: 1px solid var(--line-2); }
table.board td { padding: 6px; border-bottom: 1px solid var(--line); white-space: nowrap; }
table.board td.rank { color: var(--muted); font-family: var(--mono); width: 2.5em; }
table.board td.who { font: 600 14px var(--mono); letter-spacing: 0.12em; }
table.board td.num { font-family: var(--mono); }
table.board td.when { color: var(--muted); }
table.board tr.mine td { background: rgba(245, 184, 61, 0.1); color: var(--feeder); }
table.board .ver { color: var(--good); margin-left: 6px; letter-spacing: 0; }
#boardSel { margin: 0 0 8px; }
@media (max-width: 520px) {
  table.board td.when, table.board th:last-child { display: none; }
}

footer.foot { max-width: 1260px; margin: 6px auto 0; padding: 0 16px 24px; color: var(--faint); font-size: 12px; }
footer.foot a { color: var(--muted); }

/* ---------- small screens: the dish, then the tools and the clock, then the rest ---------- */
@media (max-width: 900px) {
  .bench { grid-template-columns: minmax(0, 1fr); }
  .console .c-tools { order: 1; }
  .console .c-incubator { order: 2; }
  .console .c-readouts { order: 3; }
  .console .brief { order: 4; }
  .console .c-params { order: 5; }
  .console .c-files { order: 6; }
}
@media (max-width: 520px) {
  .app { padding: 8px 12px 24px; }
  .hud { font-size: 10px; }
  .hud .clock { font-size: 16px; }
  .hud.tl { top: 8px; left: 9px; }
  .hud.tr { top: 8px; right: 9px; }
  .hud.bl { bottom: 8px; left: 9px; max-width: 64%; }
  .hud.br { bottom: auto; top: 70px; right: 9px; max-width: 62%; }
  .o2key .ramp, .o2key .ticks { width: 100px; }
  .coach { top: auto; bottom: 10px; padding: 10px 12px; }
  .coach p { font-size: 13px; margin-bottom: 8px; }
  .brand { font-size: 18px; }
  .studio { font-size: 10px; letter-spacing: 0.08em; }
  .specs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}