:root {
  color-scheme: dark;
  --bg: #15141a;
  --panel: #1e1d25;
  --panel-border: #2e2c38;
  --text: #ece9f2;
  --muted: #a19cad;
  --accent: #a88bff;
  --accent-soft: #2d2647;
  --bonus: #5fcf8f;
  --bonus-soft: #1c3428;
  --resist: #ef8a6e;
  --resist-soft: #3d2620;
  --full-resist: #8f8a9b;
  --input-bg: #17161d;
  --input-border: #3a3846;
  --focus: #a88bff;
  --grid: #2b2935;
  --radius: 10px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 var(--font);
  padding: 24px 16px 48px;
}

.page-header,
.layout,
.explainer,
.page-footer {
  max-width: 1120px;
  margin-inline: auto;
}

h1 {
  font-size: 1.75rem;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}

h2 {
  font-size: 1.2rem;
  margin: 0 0 14px;
}

h3 {
  font-size: 0.95rem;
  margin: 24px 0 8px;
}

.lede {
  margin: 0 0 20px;
  color: var(--muted);
  max-width: 70ch;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 380px) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

@media (max-width: 820px) {
  .layout {
    grid-template-columns: minmax(0, 1fr);
  }
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 18px;
}

.results {
  position: sticky;
  top: 16px;
}

@media (max-width: 820px) {
  .results {
    position: static;
  }
}

fieldset {
  border: 0;
  padding: 0;
  margin: 0 0 18px;
  min-width: 0;
}

legend {
  font-weight: 650;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 10px;
  padding: 0;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 12px;
}

.field > span:first-child {
  font-size: 0.85rem;
  color: var(--muted);
}

input[type="number"],
select {
  font: inherit;
  color: var(--text);
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 7px;
  padding: 7px 9px;
  width: 100%;
  min-width: 0;
}

input:focus-visible,
select:focus-visible,
button:focus-visible,
.segmented input:focus-visible + span {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.range-row {
  display: flex;
  gap: 10px;
  align-items: center;
}

.range-row input[type="range"] {
  flex: 1;
  accent-color: var(--accent);
  min-width: 0;
}

.range-row input[type="number"] {
  width: 72px;
  flex: none;
}

.segmented {
  display: flex;
  border: 1px solid var(--input-border);
  border-radius: 7px;
  overflow: hidden;
}

.segmented label {
  flex: 1;
  position: relative;
  display: flex;
}

.segmented input {
  position: absolute;
  opacity: 0;
  inset: 0;
  margin: 0;
  cursor: pointer;
}

.segmented span {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 7px 4px;
  font-size: 0.82rem;
  background: var(--input-bg);
  cursor: pointer;
  border-left: 1px solid var(--input-border);
}

.segmented label:first-child span {
  border-left: 0;
}

.segmented input:checked + span {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

.help {
  color: var(--muted);
  font-style: normal;
  font-size: 0.82rem;
}

.help {
  display: block;
  margin: 0 0 10px;
}

.field .help {
  margin: 2px 0 0;
}

.resist-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  gap: 0 10px;
}

.resist.active input {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.resist.active span {
  color: var(--accent);
  font-weight: 600;
}

.form-actions {
  display: flex;
  gap: 8px;
}

.button {
  font: inherit;
  font-weight: 600;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--bg);
  border-radius: 7px;
  padding: 7px 14px;
  cursor: pointer;
}

.button.secondary {
  background: transparent;
  color: var(--accent);
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
}

.stat {
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--muted);
}

.stat-value {
  font-size: 1.35rem;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

.stat-sub {
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
}

.positive {
  color: var(--bonus);
}

.negative {
  color: var(--resist);
}

.note {
  margin: 12px 0 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.note:empty {
  display: none;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.step {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr) 62px 64px;
  gap: 10px;
  align-items: center;
  font-variant-numeric: tabular-nums;
  font-size: 0.9rem;
}

.step-label {
  font-weight: 600;
}

.step-bar {
  height: 18px;
  background: var(--grid);
  border-radius: 4px;
  overflow: hidden;
}

.step-bar,
.step-fill {
  display: block;
}

.step-fill {
  height: 100%;
  border-radius: 4px;
  background: var(--muted);
}

.step.bonus .step-fill {
  background: var(--bonus);
}

.step.resist .step-fill {
  background: var(--resist);
}

.step.full .step-fill {
  background: var(--full-resist);
}

.step-chance,
.step-damage {
  text-align: right;
}

.step-damage {
  color: var(--muted);
}

@media (max-width: 480px) {
  .step {
    grid-template-columns: 58px minmax(0, 1fr) 54px 54px;
    gap: 6px;
    font-size: 0.82rem;
  }
}

.chart svg {
  width: 100%;
  height: auto;
  display: block;
}

.chart .axis {
  stroke: var(--muted);
  stroke-width: 1;
}

.chart .gridline {
  stroke: var(--grid);
  stroke-width: 1;
}

.chart .zero {
  stroke: var(--muted);
  stroke-dasharray: 3 3;
}

.chart .line {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2.5;
}

.chart .marker {
  fill: var(--accent);
  stroke: var(--panel);
  stroke-width: 2;
}

.chart text {
  fill: var(--muted);
  font: 11px var(--font);
  font-variant-numeric: tabular-nums;
}

.explainer {
  margin-top: 16px;
  max-width: 1120px;
}

.explainer p,
.explainer li {
  max-width: 78ch;
}

.explainer li {
  margin-bottom: 6px;
}

code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--accent-soft);
  padding: 1px 5px;
  border-radius: 4px;
}

a {
  color: var(--accent);
}

.page-footer {
  margin-top: 20px;
  font-size: 0.82rem;
  color: var(--muted);
}