:root {
  --color-purple: #836ef9;
  --color-deep: #200052;
  --color-bg: #0e100f;
  --color-surface: #16181a;
  --color-surface-2: #1e2124;
  --color-text: #fbfaf9;
  --color-muted: #a8a6a3;
  --color-berry: #a0055d;
  --color-berry-soft: rgba(160, 5, 93, 0.25);
  --color-pos: #3d9a6a;
  --color-neg: #c45c5c;
  --color-border: rgba(131, 110, 249, 0.22);
  --radius: 10px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --max-w: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(ellipse 120% 80% at 50% -20%, var(--color-deep), var(--color-bg) 55%);
  color: var(--color-text);
  line-height: 1.5;
  min-height: 100vh;
}

.tabular {
  font-variant-numeric: tabular-nums;
}

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

.site-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
  background: rgba(14, 16, 15, 0.85);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
}

.brand svg {
  width: 28px;
  height: 28px;
}

.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 1.25rem;
}

.hero {
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(1.35rem, 4vw, 1.85rem);
  margin: 0 0 0.35rem;
  line-height: 1.2;
}

.hero p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.calculator-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 900px) {
  .calculator-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.card h2 {
  margin: 0 0 1rem;
  font-size: 1.1rem;
}

.field {
  margin-bottom: 1rem;
}

.field label,
.field .label {
  display: block;
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 0.35rem;
}

.field input[type="number"],
.field input[type="text"] {
  width: 100%;
  padding: 0.55rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  color: var(--color-text);
  font-size: 1rem;
  font-variant-numeric: tabular-nums;
}

.field input:focus {
  outline: 2px solid var(--color-purple);
  outline-offset: 1px;
}

.field-hint {
  font-size: 0.78rem;
  color: var(--color-muted);
  margin-top: 0.35rem;
}

.toggle-group {
  display: flex;
  gap: 0;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.toggle-group label {
  flex: 1;
  margin: 0;
  text-align: center;
  cursor: pointer;
  padding: 0.5rem 0.75rem;
  background: var(--color-surface-2);
  color: var(--color-muted);
  font-size: 0.9rem;
  user-select: none;
}

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

.toggle-group input:checked + span {
  display: block;
}

.toggle-group label:has(input:checked) {
  background: var(--color-purple);
  color: var(--color-text);
  font-weight: 600;
}

.toggle-group label span {
  display: block;
}

.leverage-row {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.leverage-row input[type="number"] {
  width: 5.5rem;
  flex-shrink: 0;
}

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

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.chip {
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  color: var(--color-text);
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
  font-size: 0.78rem;
  cursor: pointer;
  font-variant-numeric: tabular-nums;
}

.chip:hover {
  border-color: var(--color-purple);
}

details.advanced {
  margin-top: 0.5rem;
  border-top: 1px solid var(--color-border);
  padding-top: 0.75rem;
}

details.advanced summary {
  cursor: pointer;
  color: var(--color-purple);
  font-size: 0.9rem;
  font-weight: 500;
}

.mmr-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.mmr-row input[type="number"] {
  flex: 1;
}

.checkbox-inline {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--color-muted);
  white-space: nowrap;
}

.warning {
  background: var(--color-berry-soft);
  border: 1px solid var(--color-berry);
  color: #f5c4dc;
  padding: 0.5rem 0.65rem;
  border-radius: 8px;
  font-size: 0.82rem;
  margin-top: 0.5rem;
}

.disclaimer-inline {
  font-size: 0.78rem;
  color: var(--color-muted);
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-border);
}

.liq-hero {
  font-size: clamp(1.75rem, 5vw, 2.35rem);
  font-weight: 700;
  color: var(--color-berry);
  font-variant-numeric: tabular-nums;
  margin: 0.25rem 0 0.75rem;
}

.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem 1rem;
  font-size: 0.9rem;
}

.results-grid .full {
  grid-column: 1 / -1;
}

.results-grid dt {
  color: var(--color-muted);
  font-size: 0.78rem;
}

.results-grid dd {
  margin: 0;
  font-variant-numeric: tabular-nums;
}

.pos {
  color: var(--color-pos);
}

.neg {
  color: var(--color-neg);
}

.pnl-section {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.scenario-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  margin-top: 0.5rem;
}

.scenario-table th,
.scenario-table td {
  padding: 0.4rem 0.35rem;
  text-align: right;
  border-bottom: 1px solid var(--color-border);
  font-variant-numeric: tabular-nums;
}

.scenario-table th:first-child,
.scenario-table td:first-child {
  text-align: left;
}

.scenario-table tr.liquidated td {
  color: var(--color-berry);
}

.share-row {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.share-row input {
  flex: 1;
  font-size: 0.75rem;
  padding: 0.45rem;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  color: var(--color-muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.85rem;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-purple);
  color: var(--color-text);
}

.btn-primary:hover {
  filter: brightness(1.08);
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.btn-ghost:hover {
  border-color: var(--color-purple);
}

.cta-row {
  margin-top: 1rem;
}

.venues-box {
  margin-top: 1.25rem;
  padding: 1rem;
  background: var(--color-surface-2);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.venues-box h3 {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
}

.venue-row {
  display: grid;
  gap: 0.25rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.85rem;
}

@media (min-width: 600px) {
  .venue-row {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
  .venue-meta {
    grid-column: 1;
  }
  .venue-actions {
    grid-column: 2;
    grid-row: 1 / span 2;
    justify-self: end;
  }
}

.venue-row:last-child {
  border-bottom: none;
}

.venue-name {
  font-weight: 600;
}

.venue-meta {
  color: var(--color-muted);
  font-size: 0.8rem;
}

.venues-footnote {
  font-size: 0.72rem;
  color: var(--color-muted);
  margin: 0.75rem 0 0;
}

.seo-content {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  max-width: 72ch;
}

.seo-content h2 {
  font-size: 1.15rem;
  margin: 1.75rem 0 0.65rem;
}

.seo-content h2:first-child {
  margin-top: 0;
}

.seo-content p,
.seo-content li {
  color: var(--color-muted);
  font-size: 0.92rem;
}

.seo-content code,
.formula {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.85rem;
  background: var(--color-surface-2);
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
}

.formula-block {
  background: var(--color-surface-2);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-family: ui-monospace, monospace;
  font-size: 0.82rem;
  line-height: 1.6;
  margin: 0.75rem 0;
}

.faq dt {
  font-weight: 600;
  margin-top: 1rem;
  color: var(--color-text);
}

.faq dd {
  margin: 0.35rem 0 0;
  color: var(--color-muted);
}

.site-footer {
  margin-top: 3rem;
  padding: 1.5rem 1.25rem;
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-muted);
}