:root {
  --bg: #0b0c0e;
  --fg: #c9c6c0;
  --dim: #6e6b66;
  --faint: #43474b;
  --rule: #232527;
  --warn: #b58a5a;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f3f1; --fg: #24262a; --dim: #6e6b66;
    --faint: #a7a49f; --rule: #dedbd6; --warn: #8a5f2a;
  }
}

html, body { margin: 0; padding: 0; background: var(--bg); color: var(--fg); }
body {
  font: 16px/1.65 ui-serif, Georgia, "Times New Roman", serif;
  padding: 8vh 6vw 12vh;
  max-width: 40rem;
}

h1 {
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  margin: 0 0 0.35rem;
  line-height: 1.3;
}
h2 {
  font: 500 0.78rem/1 ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dim);
  margin: 3rem 0 1.2rem;
}
.byline { color: var(--dim); margin: 0 0 2.5rem; font-size: 0.95rem; }
p { margin: 0 0 1.1rem; }
a { color: var(--fg); text-underline-offset: 0.2em; }
hr { border: 0; border-top: 1px solid var(--rule); margin: 2.5rem 0; }

/* --- the instrument ------------------------------------------------------ */

#instrument {
  border: 1px solid var(--rule);
  padding: 1.4rem 1.4rem 1.2rem;
  margin: 0 0 1.6rem;
}

#state {
  font: 0.85rem/1.5 ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color: var(--dim);
  margin: 0 0 1.1rem;
}

.controls { margin: 0 0 1.2rem; }

button {
  appearance: none;
  border: 1px solid var(--rule);
  border-radius: 0;
  background: transparent;
  color: var(--fg);
  cursor: pointer;
  font: 0.8rem/1 ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  padding: 0.7rem 0.9rem;
  margin-right: 0.5rem;
}
button:hover { border-color: var(--dim); }
button:focus-visible { outline: 2px solid var(--fg); outline-offset: 3px; }

.meterline {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.25rem 1rem;
  align-items: baseline;
  margin: 0 0 1rem;
}
.label {
  font: 0.7rem/1.4 ui-monospace, Menlo, Consolas, monospace;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
}
.value {
  font: 0.85rem/1.4 ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color: var(--fg);
}
.value.dead { color: var(--dim); }

/* The storm reads as a number with a bar behind it, because the number is the
   thing the negotiation acts on and the bar is only a glance. */
.gauge {
  position: relative;
  display: inline-block;
  min-width: 5rem;
  padding: 0 0.35rem;
}
.gauge::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--fill, 0%);
  background: var(--rule);
  z-index: -1;
}

#ladder {
  list-style: none;
  margin: 0 0 1.2rem;
  padding: 0;
  max-height: 9rem;
  overflow-y: auto;
  border-top: 1px solid var(--rule);
}
#ladder li {
  display: grid;
  grid-template-columns: 3.5rem 1fr 5rem;
  gap: 0.75rem;
  font: 0.78rem/1.9 ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  border-bottom: 1px solid var(--rule);
}
#ladder .at, #ladder .bw { color: var(--dim); }
#ladder .bw { text-align: right; }

.volume {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 0.9rem;
}
.volume label {
  font: 0.7rem/1.4 ui-monospace, Menlo, Consolas, monospace;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
}
.volume input[type="range"] { flex: 1 1 12rem; accent-color: var(--dim); }
.warn { color: var(--warn); font: 0.78rem/1.4 ui-monospace, Menlo, Consolas, monospace; }

.alt { font-size: 0.85rem; color: var(--dim); margin: 0; }
.alt a { color: var(--dim); }

/* --- the rest ------------------------------------------------------------ */

.note {
  font-size: 0.9rem;
  color: var(--dim);
  border-left: 1px solid var(--rule);
  padding-left: 1rem;
}

@media (max-width: 30rem) {
  #ladder li { grid-template-columns: 3rem 1fr; }
  #ladder .bw { display: none; }
}