@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('assets/fonts/inter-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400 500;
  font-display: swap;
  src: url('assets/fonts/jetbrains-mono-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --bg: #FAFAF7;
  --bg-card: #FFFFFF;
  --bg-elev: #F4F4EF;
  --border: #E6E6DF;
  --border-strong: #D4D4CB;

  --brand: #1E3A5F;
  --brand-ink: #15294A;
  --text-heading: #0A0E14;
  --text-body: #3D4651;
  --text-muted: #64748B;

  --positive: #10B981;
  --negative: #DC2626;
  --cta: #84CC16;
  --cta-ink: #1A2E05;
  --cta-hover: #76BA12;
  --neutral: #64748B;

  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'IBM Plex Mono', ui-monospace, monospace;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;

  --shadow-card: 0 1px 2px rgba(10, 14, 20, 0.04), 0 1px 3px rgba(10, 14, 20, 0.04);
  --shadow-focus: 0 0 0 3px rgba(30, 58, 95, 0.18);
}

[data-theme="dark"] {
  --bg: #0F1419;
  --bg-card: #1A2030;
  --bg-elev: #222A3D;
  --border: #2A334A;
  --border-strong: #3A455F;

  --brand: #5B8DEF;
  --brand-ink: #7BA4F4;
  --text-heading: #F1F5F9;
  --text-body: #CBD5E1;
  --text-muted: #94A3B8;

  --positive: #34D399;
  --negative: #F87171;
  --cta: #A3E635;
  --cta-ink: #1A2E05;
  --cta-hover: #BEF264;

  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.25), 0 1px 3px rgba(0, 0, 0, 0.2);
  --shadow-focus: 0 0 0 3px rgba(91, 141, 239, 0.30);
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-body);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 {
  color: var(--text-heading);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}

p {
  margin: 0;
}

a {
  color: var(--brand);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.container {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--brand);
  color: #fff;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  z-index: 100;
}

.skip-link:focus {
  left: var(--space-2);
  top: var(--space-2);
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.header-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}

.wordmark {
  font-family: var(--font-body);
  font-size: 20px;
  color: var(--text-heading);
  text-decoration: none;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.wordmark:hover {
  text-decoration: none;
}

.wordmark-plain {
  font-weight: 400;
  color: var(--text-muted);
}

.wordmark-odds {
  font-weight: 700;
  color: var(--brand);
}

.site-nav {
  display: flex;
  gap: var(--space-3);
  margin-left: auto;
  align-items: center;
}

@media (min-width: 641px) {
  .site-nav {
    gap: var(--space-4);
  }
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-body);
  text-decoration: none;
  padding: var(--space-1) 0;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--text-heading);
  text-decoration: none;
}

.nav-link.is-active {
  color: var(--brand);
}

.nav-link.is-disabled {
  color: var(--text-muted);
  cursor: not-allowed;
}

.theme-toggle {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 999px;
  width: 36px;
  height: 36px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 120ms ease, border-color 120ms ease;
}

.theme-toggle:hover {
  background: var(--border);
}

.theme-toggle:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.theme-toggle-icon {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--text-heading);
  box-shadow: inset -4px -2px 0 0 var(--bg-elev);
  transition: box-shadow 200ms ease, background 200ms ease;
}

[data-theme="dark"] .theme-toggle-icon {
  box-shadow: inset 4px 2px 0 0 var(--bg-elev);
}

/* Main */
.main {
  padding-top: var(--space-8);
  padding-bottom: var(--space-16);
}

/* Hero */
.hero {
  text-align: center;
  padding: var(--space-8) 0 var(--space-12);
}

.hero-title {
  font-size: 32px;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}

.hero-sub {
  color: var(--text-muted);
  font-size: 17px;
}

/* Card */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-card);
  margin-bottom: var(--space-8);
}

.card-title {
  font-size: 18px;
  margin-bottom: var(--space-6);
}

/* Fields */
.field {
  margin-bottom: var(--space-6);
}

.field-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-body);
  margin-bottom: var(--space-2);
}

.field-help {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: var(--space-2);
}

.field-error {
  font-size: 13px;
  color: var(--negative);
  margin-top: var(--space-2);
}

.input {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 17px;
  padding: var(--space-3) var(--space-4);
  background: var(--bg);
  color: var(--text-heading);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  transition: border-color 120ms ease, box-shadow 120ms ease;
  -webkit-appearance: none;
  appearance: none;
}

.input::placeholder {
  color: var(--text-muted);
  opacity: 0.6;
}

.input:hover {
  border-color: var(--text-muted);
}

.input:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: var(--shadow-focus);
}

.input.is-invalid {
  border-color: var(--negative);
}

/* Segmented control */
.segmented {
  display: inline-flex;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 3px;
  gap: 2px;
  width: 100%;
}

.seg {
  flex: 1;
  appearance: none;
  background: transparent;
  border: none;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-body);
  padding: var(--space-2) var(--space-3);
  border-radius: 7px;
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease;
}

.seg:hover {
  color: var(--text-heading);
}

.seg.is-selected {
  background: var(--bg-card);
  color: var(--text-heading);
  box-shadow: 0 1px 2px rgba(10, 14, 20, 0.06);
}

[data-theme="dark"] .seg.is-selected {
  background: var(--border);
}

.seg:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

/* Primary button */
.btn-primary {
  width: 100%;
  display: inline-block;
  background: var(--cta);
  color: var(--cta-ink);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.005em;
  padding: var(--space-3) var(--space-6);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 120ms ease, transform 60ms ease;
}

.btn-primary:hover:not(:disabled) {
  background: var(--cta-hover);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(1px);
}

.btn-primary:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.btn-primary:disabled {
  background: var(--bg-elev);
  color: var(--text-muted);
  cursor: not-allowed;
}

/* Results */
.results {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border);
}

.result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.result {
  background: var(--bg-elev);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.result-primary .result-value {
  color: var(--positive);
}

.result-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.result-value {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 600;
  color: var(--text-heading);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.result-value-md {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 500;
  color: var(--text-heading);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.result:last-child {
  grid-column: 1 / -1;
}

/* Conversion table */
.conversion-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-6);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.conversion-table th,
.conversion-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
}

.conversion-table tbody tr:last-child td {
  border-bottom: none;
}

.conversion-table th {
  background: var(--bg-elev);
  color: var(--text-muted);
  font-weight: 500;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.conversion-table td {
  color: var(--text-heading);
}

/* Show the math */
.show-math {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0;
}

.show-math > summary {
  list-style: none;
  cursor: pointer;
  padding: var(--space-3) var(--space-4);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-body);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.show-math > summary::-webkit-details-marker {
  display: none;
}

.show-math > summary::before {
  content: "+";
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1;
  width: 12px;
}

.show-math[open] > summary::before {
  content: "−";
}

.show-math > summary:hover {
  color: var(--text-heading);
}

.show-math-body {
  padding: 0 var(--space-4) var(--space-4);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-body);
  line-height: 1.7;
  border-top: 1px solid var(--border);
  padding-top: var(--space-4);
}

.show-math-body .math-step {
  margin-bottom: var(--space-2);
}

.show-math-body .math-step-label {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-1);
}

.show-math-body .math-step:not(:last-child) {
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-3);
  border-bottom: 1px dashed var(--border);
}

/* Learn section */
.learn-item {
  border-top: 1px solid var(--border);
  padding: var(--space-4) 0;
}

.learn-item:first-of-type {
  border-top: none;
  padding-top: 0;
}

.learn-item:last-of-type {
  padding-bottom: 0;
}

.learn-item > summary {
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-heading);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.learn-item > summary::-webkit-details-marker {
  display: none;
}

.learn-item > summary::before {
  content: "+";
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 18px;
  line-height: 1;
  width: 14px;
}

.learn-item[open] > summary::before {
  content: "−";
}

.learn-body {
  padding-top: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  color: var(--text-body);
  font-size: 15px;
}

.learn-body ul {
  padding-left: var(--space-6);
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.math-line {
  background: var(--bg-elev);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  font-size: 13px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg);
  padding: var(--space-8) 0;
}

.footer-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}

.footer-disclaimer a {
  color: var(--text-muted);
  text-decoration: underline;
}

/* Tablet */
@media (min-width: 641px) {
  .container {
    max-width: 560px;
  }

  .card {
    padding: var(--space-12) var(--space-8);
  }

  .hero-title {
    font-size: 40px;
  }

  .footer-row {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

/* Desktop */
@media (min-width: 1025px) {
  .container {
    max-width: 640px;
  }

  .hero-title {
    font-size: 44px;
  }

  .hero-sub {
    font-size: 18px;
  }
}

/* ---------- Parlay-specific ---------- */

.field-label-sub {
  font-weight: 400;
  color: var(--text-muted);
  margin-left: var(--space-1);
}

.card-sub {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: calc(var(--space-6) * -1 + var(--space-2));
  margin-bottom: var(--space-6);
}

.result-label-sub {
  display: block;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: var(--text-muted);
  font-size: 11px;
  margin-top: 2px;
}

/* Legs list */
.legs {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.leg {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.leg-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.leg-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 999px;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.leg-odds {
  flex: 1;
  min-width: 0;
  font-size: 16px;
  padding: var(--space-2) var(--space-3);
}

.leg-remove {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  font-size: 22px;
  line-height: 1;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}

.leg-remove:hover:not(:disabled) {
  color: var(--negative);
  background: var(--bg-elev);
  border-color: var(--border);
}

.leg-remove:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.leg-remove:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.leg-error {
  margin-left: calc(28px + var(--space-2));
  margin-top: 0;
}

/* Secondary button (Add leg) */
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: transparent;
  color: var(--brand);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  padding: var(--space-2) var(--space-3);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease, color 120ms ease;
}

.btn-secondary:hover:not(:disabled) {
  background: var(--bg-elev);
  border-color: var(--brand);
}

.btn-secondary:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.btn-secondary:disabled {
  color: var(--text-muted);
  border-color: var(--border);
  cursor: not-allowed;
}

/* Hedge context line */
.hedge-context {
  font-size: 14px;
  color: var(--text-body);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-6);
  line-height: 1.5;
}

.hedge-context[data-state="idle"] {
  color: var(--text-muted);
}

/* Locked-profit semantic coloring */
.is-positive {
  color: var(--positive);
}

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

/* ---------- EV / Kelly specific ---------- */

.subsection-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-heading);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 var(--space-1);
}

.subsection-sub {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0 0 var(--space-3);
}

.ev-note {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: 13px;
  color: var(--text-body);
  margin-bottom: var(--space-6);
  line-height: 1.5;
}

.ev-note[data-tone="warn"] {
  border-color: var(--border-strong);
}

.kelly-stakes {
  margin-bottom: var(--space-6);
}

.kelly-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
}

.kelly-cell {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-2);
  display: flex;
  flex-direction: column;
  gap: 2px;
  align-items: flex-start;
  position: relative;
  overflow: hidden;
  min-width: 0;
}

.kelly-cell.is-recommended {
  border-color: var(--positive);
  background: var(--bg-card);
}

.kelly-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.kelly-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-heading);
  line-height: 1.2;
  word-break: break-all;
}

.kelly-cell-tag {
  font-size: 10px;
  font-weight: 500;
  color: var(--positive);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: var(--space-1);
}

.kelly-empty-note {
  margin: 0 0 var(--space-6);
  padding: var(--space-3) var(--space-4);
  background: var(--bg-elev);
  border-radius: var(--radius-md);
}

/* When JS tags a result with .is-positive / .is-negative (EV page), the
   semantic color must win over the default green applied by .result-primary
   .result-value. Bump specificity to match. */
.result-primary .result-value.is-positive { color: var(--positive); }
.result-primary .result-value.is-negative { color: var(--negative); }
.result-primary .result-value.is-neutral  { color: var(--text-heading); }

/* ---------- Arbitrage specific ---------- */

/* Outcome rows reuse most of the parlay .leg pattern; just rename and drop
   the remove-button column since outcomes are fixed-count (2 or 3). */
.outcomes {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.outcome {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.outcome-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.outcome-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 999px;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.outcome-odds {
  flex: 1;
  min-width: 0;
  font-size: 16px;
  padding: var(--space-2) var(--space-3);
}

.outcome-error {
  margin-left: calc(28px + var(--space-2));
  margin-top: 0;
}

/* Banner & note tones (extends the existing .ev-note from Phase 3) */
.ev-note[data-tone="ok"] {
  border-color: var(--positive);
  background: var(--bg-card);
}

.ev-note[data-tone="info"] {
  border-color: var(--border-strong);
}

.ev-note strong {
  color: var(--text-heading);
}

/* Stake split table */
.split-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-6);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.split-table th,
.split-table td {
  padding: var(--space-3);
  text-align: left;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
}

.split-table tbody tr:last-child td {
  border-bottom: none;
}

.split-table th {
  background: var(--bg-elev);
  color: var(--text-muted);
  font-weight: 500;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.split-table td {
  color: var(--text-heading);
}

/* ---------- Hub page ---------- */

/* Wider container for the hub so the 2x2 calc-cards grid breathes on desktop.
   Calc pages keep using .container so their single-column layout stays focused. */
.container-wide {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

/* On the hub specifically, dial down the global .main padding so the cards
   sit near the fold on a 1440x700 desktop. */
.container-wide.main {
  padding-top: var(--space-3);
  padding-bottom: var(--space-12);
}

@media (min-width: 1025px) {
  .container-wide.main {
    padding-top: 0;
  }
}

@media (min-width: 641px) {
  .container-wide {
    max-width: 680px;
  }
}

@media (min-width: 1025px) {
  .container-wide {
    max-width: 880px;
  }
}

.hub-hero {
  padding: var(--space-6) 0 var(--space-6);
}

@media (min-width: 1025px) {
  .hub-hero {
    padding: var(--space-2) 0 var(--space-3);
  }
}

.calc-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

@media (min-width: 641px) {
  .calc-cards {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
  }
}

.calc-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow-card);
  transition: border-color 120ms ease, transform 60ms ease, box-shadow 120ms ease;
}

@media (min-width: 1025px) {
  .calc-card {
    padding: var(--space-3) var(--space-6);
    gap: var(--space-1);
  }
}

.calc-card:hover {
  border-color: var(--brand);
  transform: translateY(-1px);
  text-decoration: none;
  box-shadow: 0 2px 4px rgba(10, 14, 20, 0.05), 0 4px 8px rgba(10, 14, 20, 0.04);
}

.calc-card:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.calc-symbol {
  font-size: 22px;
  font-weight: 500;
  color: var(--brand);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.calc-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-heading);
  margin: 0;
  letter-spacing: -0.01em;
}

.calc-desc {
  font-size: 14px;
  color: var(--text-body);
  margin: 0;
  line-height: 1.5;
}

.calc-when {
  font-size: 13px;
  color: var(--text-muted);
  margin: var(--space-2) 0 0;
  line-height: 1.5;
}

.calc-when-label {
  color: var(--text-body);
  font-weight: 500;
}

/* Why PlainOdds */
.why {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-6);
}

.why-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-heading);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 var(--space-3);
}

.why-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.why-list li {
  font-size: 14px;
  color: var(--text-body);
  padding-left: var(--space-4);
  position: relative;
  line-height: 1.5;
}

.why-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--text-muted);
}

/* ---------- Glossary ---------- */

.glossary-hero {
  padding: var(--space-6) 0 var(--space-4);
  text-align: left;
}

@media (min-width: 1025px) {
  .glossary-hero {
    padding: var(--space-2) 0 var(--space-6);
  }
}

/* Mobile-only TOC: collapsed details with section anchors */
.toc-mobile {
  margin-bottom: var(--space-6);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  overflow: hidden;
}

.toc-mobile > summary {
  list-style: none;
  cursor: pointer;
  padding: var(--space-3) var(--space-4);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-body);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.toc-mobile > summary::-webkit-details-marker { display: none; }

.toc-mobile > summary::before {
  content: "+";
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1;
  width: 12px;
}

.toc-mobile[open] > summary::before { content: "−"; }

.toc-mobile > summary:hover { color: var(--text-heading); }

.toc-mobile ol {
  list-style: none;
  padding: 0 var(--space-4) var(--space-3);
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  border-top: 1px solid var(--border);
  padding-top: var(--space-3);
}

.toc-mobile li {
  font-size: 14px;
  padding: var(--space-1) 0;
}

.toc-mobile a {
  color: var(--text-body);
  text-decoration: none;
}

.toc-mobile a:hover { color: var(--brand); text-decoration: underline; }

.toc-count {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

/* Desktop sticky sidebar */
.toc-desktop { display: none; }

.glossary-layout {
  display: block;
}

@media (min-width: 1025px) {
  .toc-mobile { display: none; }

  .glossary-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: var(--space-12);
    align-items: start;
  }

  .toc-desktop {
    display: block;
    position: sticky;
    top: var(--space-4);
    align-self: start;
    max-height: calc(100vh - var(--space-8));
    overflow-y: auto;
    padding-right: var(--space-2);
  }
}

.toc-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-heading);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 var(--space-3);
}

.toc-group {
  margin-bottom: var(--space-4);
}

.toc-group h3 {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 var(--space-2);
}

.toc-group ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  border-left: 1px solid var(--border);
  padding-left: var(--space-3);
}

.toc-group li { font-size: 13px; line-height: 1.45; }

.toc-group a {
  color: var(--text-body);
  text-decoration: none;
}

.toc-group a:hover { color: var(--brand); text-decoration: underline; }

.toc-group a.is-current {
  color: var(--brand);
  font-weight: 600;
}

/* Glossary content */
.glossary-content {
  min-width: 0;
}

.term-group {
  margin-bottom: var(--space-12);
}

.term-group-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-heading);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 var(--space-6);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--border);
}

.term {
  margin-bottom: var(--space-8);
  /* Anchor scroll padding so deep-links don't jam against the viewport top. */
  scroll-margin-top: var(--space-6);
}

.term:last-child { margin-bottom: 0; }

.term-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-heading);
  margin: 0 0 var(--space-2);
  letter-spacing: -0.01em;
}

.term-def {
  font-size: 15px;
  color: var(--text-body);
  font-weight: 500;
  margin: 0 0 var(--space-2);
  line-height: 1.5;
}

.term p {
  font-size: 14px;
  color: var(--text-body);
  margin: 0 0 var(--space-2);
  line-height: 1.6;
}

.term p:last-child { margin-bottom: 0; }

.term a {
  color: var(--brand);
  text-decoration: underline;
  text-decoration-color: var(--border-strong);
  text-underline-offset: 2px;
}

.term a:hover { text-decoration-color: var(--brand); }

.term-example {
  background: var(--bg-elev);
  border-left: 2px solid var(--border-strong);
  padding: var(--space-2) var(--space-3);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 13px !important;
  margin-top: var(--space-3) !important;
}

.term-example-label {
  font-weight: 600;
  color: var(--text-heading);
  margin-right: var(--space-1);
}

.term-pos {
  color: var(--positive);
  font-weight: 500;
}

/* Footer Glossary link */
.footer-links {
  display: flex;
  gap: var(--space-3);
  font-size: 13px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
}

.footer-links a:hover { color: var(--text-heading); text-decoration: underline; }

/* ---------- Prose pages (About, Responsible Gambling) ---------- */

.prose {
  /* Slightly narrower reading column for comfortable line length. */
  max-width: 640px;
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.65;
}

.prose-lead {
  font-size: 17px;
  line-height: 1.55;
  color: var(--text-heading);
  margin: 0 0 var(--space-8);
  padding: var(--space-4) var(--space-6);
  background: var(--bg-elev);
  border-left: 3px solid var(--brand);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.prose-section {
  margin-bottom: var(--space-8);
}

.prose-section:last-of-type {
  margin-bottom: 0;
}

.prose-h2 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-heading);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--border);
}

.prose-h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-heading);
  margin: var(--space-6) 0 var(--space-2);
}

.prose p {
  margin: 0 0 var(--space-3);
}

.prose p:last-child {
  margin-bottom: 0;
}

.prose a {
  color: var(--brand);
  text-decoration: underline;
  text-decoration-color: var(--border-strong);
  text-underline-offset: 2px;
}

.prose a:hover {
  text-decoration-color: var(--brand);
}

.prose strong {
  color: var(--text-heading);
}

.prose-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.prose-list li {
  padding-left: var(--space-4);
  position: relative;
  line-height: 1.55;
}

.prose-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--text-muted);
}

/* Responsible Gambling — resource blocks */
.rg-resource {
  margin-bottom: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.rg-resource-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-heading);
  margin: 0 0 var(--space-1);
}

.rg-resource-line {
  font-size: 14px;
  color: var(--text-body);
  margin: 0 0 var(--space-1) !important;
  line-height: 1.5;
}

.rg-resource-sub {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0 !important;
  line-height: 1.5;
}

.rg-state-list li {
  font-size: 14px;
}

/* ---------- Cross-page glossary links (subtle inline) ---------- */

.glossary-link {
  color: var(--brand);
  text-decoration: underline;
  text-decoration-color: var(--border-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

.glossary-link:hover {
  text-decoration-color: var(--brand);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
}