:root {
  --papier: #eef0ec; --flaeche: #e2e5de; --tinte: #14181d; --mittel: #4f565e; --blass: #c3c9c2; --raster: #cdd3cb; --rost: #c4421d; --kobalt: #2a5ea8;
  --serif: "Instrument Serif", Georgia, serif; --text: "Spectral", Georgia, serif; --sans: "Inter", system-ui, sans-serif; --mono: "IBM Plex Mono", ui-monospace, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root { --papier: #14181d; --flaeche: #1c222a; --tinte: #e9ece6; --mittel: #a2a9a6; --blass: #4a545e; --raster: #2c343d; --rost: #ef7a55; --kobalt: #7fa8e6; color-scheme: dark; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--papier); color: var(--tinte); font: 400 1.0625rem/1.65 var(--text); }
a { color: inherit; text-decoration-color: var(--rost); text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--kobalt); outline-offset: 3px; }
[hidden] { display: none !important; }
main { max-width: 72rem; margin: 0 auto; padding: 0 16px 5rem; }

header { padding: clamp(1.6rem, 5vh, 3rem) 0 1.1rem; }
@media (min-width: 62rem) { header { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 0 3.5rem; align-items: end; } header .dach { grid-column: 1 / -1; } header h1 { margin: 0; } header .lead { padding-bottom: .5rem; } }
.dach { font: 500 .8125rem/1.4 var(--mono); letter-spacing: .04em; color: var(--mittel); margin: 0 0 .9rem; }
h1 { font: 400 clamp(3.2rem, 11vw, 6rem)/.88 var(--serif); letter-spacing: -.02em; margin: 0 0 1.2rem; }
h1 em { color: var(--rost); }
.lead { font-size: clamp(1.05rem, 2vw, 1.2rem); line-height: 1.5; margin: 0; max-width: 40rem; }

/* Bühne */
.raster { display: grid; gap: 1.2rem 2rem; margin: 1.4rem 0 3rem; }
@media (min-width: 62rem) { .raster { grid-template-columns: minmax(0, 1fr) 18.5rem; align-items: start; } }
.buehne { position: relative; border-top: 1px solid var(--tinte); border-bottom: 1px solid var(--tinte); background: var(--papier); }
#feld { display: none; width: 100%; touch-action: manipulation; }
.js #feld { display: block; }
#start { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: .9rem; padding: 16px;
  background: var(--papier); text-align: center; }
@supports (background: color-mix(in srgb, red, blue)) { #start { background: color-mix(in srgb, var(--papier) 82%, transparent); } }
#start p { margin: 0; max-width: 31rem; font: 400 .9375rem/1.5 var(--sans); color: var(--mittel); }
.knoepfe { display: flex; flex-wrap: wrap; gap: .6rem; justify-content: center; }
button { font: 500 .9375rem/1 var(--sans); color: var(--tinte); background: transparent; border: 1px solid var(--tinte); border-radius: 2px; padding: .7rem 1rem; min-height: 44px; cursor: pointer; }
button.voll { background: var(--tinte); color: var(--papier); }
button:hover { border-color: var(--rost); }
.leiste { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; justify-content: space-between; padding: 0 0 1.1rem; }
.leiste .gruppe { display: flex; gap: .5rem; flex-wrap: wrap; }
#hinweis { font: 400 .8125rem/1.5 var(--sans); color: var(--mittel); margin: .6rem 0 0; min-height: 1.5em; }

/* Ablesung */
.seite h3 { font: 500 .75rem/1.3 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--mittel); margin: 0 0 .5rem; font-weight: 500; }
.werte { display: grid; grid-template-columns: 1fr auto; gap: .15rem 1rem; margin: 0 0 1.4rem; font: 400 .9375rem/1.45 var(--sans); }
.werte dt { color: var(--mittel); } .werte dd { margin: 0; text-align: right; font: 500 .9375rem/1.45 var(--mono); font-variant-numeric: tabular-nums; }
#verlauf { width: 100%; height: 110px; display: block; margin-bottom: .3rem; }
.legende { font: 400 .8125rem/1.5 var(--sans); color: var(--mittel); margin: 0 0 1.4rem; }
.legende b { color: var(--tinte); font-weight: 600; } .legende .r { color: var(--rost); font-weight: 600; }
#atlas { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(8.2rem, 1fr)); gap: .8rem .8rem; }
#atlas figure { margin: 0; } #atlas figcaption { font: 400 .75rem/1.35 var(--mono); color: var(--mittel); margin-top: .25rem; }
.karte { width: 100%; height: auto; display: block; color: var(--tinte); }

/* Text */
.spalte { max-width: 40rem; }
section { margin: 0 0 2.6rem; }
h2 { font: 400 clamp(1.9rem, 4vw, 2.6rem)/1.05 var(--serif); margin: 0 0 .9rem; letter-spacing: -.01em; }
h2 .nr { display: block; font: 500 .75rem/1.4 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--mittel); margin-bottom: .45rem; }
p { margin: 0 0 1rem; } ol { padding-left: 1.4rem; margin: 0 0 1rem; } li { margin-bottom: .55rem; }
code, .mono { font: 400 .875em/1.4 var(--mono); }
.formel { font: 400 .9375rem/1.6 var(--mono); border-left: 2px solid var(--rost); padding: .2rem 0 .2rem 1rem; margin: 0 0 1rem; color: var(--tinte); }
.nojs { border-top: 1px solid var(--tinte); border-bottom: 1px solid var(--tinte); padding: 1.2rem 0; font: 400 .9375rem/1.55 var(--sans); }
.nojs .reihe { display: grid; grid-template-columns: repeat(auto-fit, minmax(10.5rem, 1fr)); gap: 1rem; margin: 1rem 0; }
.nojs figure { margin: 0; } .nojs figcaption { font: 400 .8125rem/1.4 var(--mono); color: var(--mittel); margin-top: .3rem; }
.js .nojs { display: none; }
.quellen { font: 400 .875rem/1.55 var(--sans); color: var(--mittel); } .quellen li { margin-bottom: .35rem; }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; scroll-behavior: auto !important; } }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.seite, .leiste { display: none; } .js .seite { display: block; } .js .leiste { display: flex; }
#zustaende { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; width: 100%; } #zustandstext { font: 400 .875rem/1.4 var(--sans); color: var(--mittel); margin-right: auto; }
button:disabled { opacity: .4; cursor: default; }

.buehne, #start { display: none; } .js .buehne { display: block; } .js #start { display: flex; }
.quellen h2 { color: var(--tinte); }
#atlas:empty::before { content: 'Noch keiner. Jeder neue Lauf zieht sein eigenes Rauschen.'; font: 400 .8125rem/1.5 var(--sans); color: var(--mittel); grid-column: 1 / -1; }