/* Cyanotype: light only, one accent, rules instead of boxes */
:root {
  --bg: #fefefe;
  --fg: #1e1e1e;
  --muted: #5f6d6c;
  --rule: #dedede;
  --panel: #f3f3f1;
  --accent: #1f5fa8;
  --on-accent: #fefefe;
  --sans: 'IBM Plex Sans', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --gutter: 16px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

/* 12-column grid */
.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gutter);
  padding: 0 var(--gutter);
}

.span-4 {
  grid-column: span 4;
}
.span-12 {
  grid-column: 1 / -1;
}
.right {
  text-align: right;
}

.label,
.step-h,
.legend,
.pill,
button {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Hero: live readout on the left, title on the right */
.hero {
  padding-top: 28px;
  padding-bottom: 40px;
  /* a long respelled title bleeds off the right edge, never wraps, and
     never causes a sideways page scroll */
  overflow-x: clip;
}

.hero .meta {
  grid-column: 1 / span 4;
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--muted);
  padding-top: 12px;
}

.hero .meta b {
  color: var(--fg);
  font-weight: 500;
}

.hero .body {
  grid-column: 5 / span 8;
}

.display {
  margin: 0;
  font-weight: 700;
  font-size: clamp(72px, 15vw, 240px);
  line-height: 0.85;
  /* tight leading clips descenders into the next row */
  padding-bottom: 0.16em;
  letter-spacing: -0.05em;
  color: var(--accent);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}

.lede {
  max-width: 34em;
  margin: 24px 0 0;
  font-size: 19px;
  line-height: 1.45;
}

/* Steps */
.step {
  border-top: 1px solid var(--fg);
  padding-top: 10px;
  padding-bottom: 32px;
}

.work .step:nth-child(1) {
  grid-column: 1 / span 4;
}
.work .step:nth-child(2),
.work .out {
  grid-column: 5 / span 8;
}

.step-h {
  display: flex;
  gap: 1.2em;
  margin: 0 0 18px;
}

.step-h .num {
  color: var(--accent);
}

textarea {
  width: 100%;
  min-height: 180px;
  resize: vertical;
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--rule);
  border-radius: 0;
  padding: 12px;
  font: 16px/1.5 var(--sans);
}

textarea:focus,
button:focus-visible,
.chance input:focus-visible,
.method:has(input:focus-visible) .pill {
  outline: 1px solid var(--accent);
  outline-offset: 2px;
}

/* Spelltype picker: outlined pills, the one rounded thing */
.methods {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: var(--gutter);
}

.methods li {
  border-bottom: 1px solid var(--rule);
}

/* The whole row is the label, so the description selects too */
.method {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0;
  cursor: pointer;
}

.pill {
  flex: none;
  display: inline-block;
  border: 1px solid var(--muted);
  border-radius: 999px;
  padding: 4px 10px;
  color: var(--muted);
}

.method input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.method:hover .pill {
  border-color: var(--fg);
  color: var(--fg);
}

.method:has(input:checked) .pill {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
}

.methods small {
  font-size: 13px;
  color: var(--muted);
}

/* Chance slider */
.chance {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 20px;
  color: var(--muted);
}

.chance input {
  flex: 1;
  min-width: 0;
  accent-color: var(--accent);
}

.chance output {
  min-width: 4ch;
  text-align: right;
  color: var(--fg);
}

button {
  margin-top: 20px;
  background: var(--fg);
  color: var(--bg);
  border: 0;
  border-radius: 0;
  padding: 14px 22px;
  cursor: pointer;
}

button:hover {
  background: var(--accent);
  color: var(--on-accent);
}

.output {
  margin: 0;
  font-weight: 300;
  font-size: clamp(28px, 4.6vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.output mark {
  background: none;
  color: var(--accent);
  font-weight: 600;
}

.legend {
  border-top: 1px solid var(--rule);
  padding-top: 14px;
  padding-bottom: 40px;
  color: var(--muted);
}

.legend a {
  text-decoration: none;
}

.legend a:hover {
  color: var(--accent);
}

.legend .key::before {
  content: '';
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 8px;
  background: var(--accent);
  vertical-align: -1px;
}

@media (max-width: 760px) {
  .span-4,
  .hero .meta,
  .hero .body,
  .work .step:nth-child(n) {
    grid-column: 1 / -1;
  }
  .legend > div + div {
    margin-top: 8px;
  }
  .right {
    text-align: left;
  }
  .methods {
    grid-template-columns: 1fr;
  }
}