/* Rithmomachia — an illuminated manuscript on a scriptorium desk. */

@font-face {
  font-family: 'EB Garamond';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url('../fonts/eb-garamond-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'EB Garamond';
  font-style: italic;
  font-weight: 400 800;
  font-display: swap;
  src: url('../fonts/eb-garamond-italic-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'UnifrakturMaguntia';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/unifraktur-maguntia.woff2') format('woff2');
}

:root {
  --desk: #2c2016;
  --desk-2: #3a2a1c;
  --vellum: #f2e7cf;
  --vellum-2: #e9dab9;
  --vellum-edge: #d6c197;
  --ink: #2b1e12;
  --ink-soft: #5d4932;
  --ink-faint: #8a7457;
  --rubric: #a3301d;
  --rubric-soft: #c2553c;
  --lapis: #27447e;
  --lapis-soft: #3d5d9c;
  --gold: #b08530;
  --gold-bright: #d9b45a;
  --verdigris: #3c7a64;
  --board-a: #f4e9cf;
  --board-b: #eadab3;
  --board-line: #7b5d36;
  --board-frame: #27447e;
  --piece-white: #fbf5e6;
  --piece-white-stroke: #3a2918;
  --piece-white-text: #2b1e12;
  --piece-black: #2a211d;
  --piece-black-stroke: #c9a24b;
  --piece-black-text: #e6c56f;
  --mark-move: rgba(39, 68, 126, 0.55);
  --mark-capture: #b08530;
  --mark-danger: #a3301d;
  --mark-last: rgba(176, 133, 48, 0.22);
  --shadow: rgba(30, 18, 6, 0.35);
  --grain-opacity: 0.5;
  --vellum-glow: rgba(255, 255, 255, 0.35);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --desk: #120d09;
    --desk-2: #1c140e;
    --vellum: #2a2018;
    --vellum-2: #241b14;
    --vellum-edge: #4a3826;
    --ink: #eadcc0;
    --ink-soft: #c9b693;
    --ink-faint: #9c8768;
    --rubric: #e0745b;
    --rubric-soft: #e98d75;
    --lapis: #8fa9e0;
    --lapis-soft: #a9bfec;
    --gold: #d9b45a;
    --gold-bright: #ecd08a;
    --verdigris: #79b89f;
    --board-a: #3a2d20;
    --board-b: #33271b;
    --board-line: #8c6e44;
    --board-frame: #5b77b3;
    --piece-white: #f1e6cc;
    --piece-white-stroke: #1c140e;
    --piece-white-text: #2b1e12;
    --piece-black: #120d0a;
    --piece-black-stroke: #d9b45a;
    --piece-black-text: #ecd08a;
    --mark-move: rgba(143, 169, 224, 0.6);
    --mark-last: rgba(217, 180, 90, 0.18);
    --shadow: rgba(0, 0, 0, 0.6);
    --grain-opacity: 0.25;
    --vellum-glow: rgba(255, 220, 160, 0.04);
    color-scheme: dark;
  }
}
:root[data-theme='dark'] {
  --desk: #120d09;
  --desk-2: #1c140e;
  --vellum: #2a2018;
  --vellum-2: #241b14;
  --vellum-edge: #4a3826;
  --ink: #eadcc0;
  --ink-soft: #c9b693;
  --ink-faint: #9c8768;
  --rubric: #e0745b;
  --rubric-soft: #e98d75;
  --lapis: #8fa9e0;
  --lapis-soft: #a9bfec;
  --gold: #d9b45a;
  --gold-bright: #ecd08a;
  --verdigris: #79b89f;
  --board-a: #3a2d20;
  --board-b: #33271b;
  --board-line: #8c6e44;
  --board-frame: #5b77b3;
  --piece-white: #f1e6cc;
  --piece-white-stroke: #1c140e;
  --piece-white-text: #2b1e12;
  --piece-black: #120d0a;
  --piece-black-stroke: #d9b45a;
  --piece-black-text: #ecd08a;
  --mark-move: rgba(143, 169, 224, 0.6);
  --mark-last: rgba(217, 180, 90, 0.18);
  --shadow: rgba(0, 0, 0, 0.6);
  --grain-opacity: 0.25;
  --vellum-glow: rgba(255, 220, 160, 0.04);
  color-scheme: dark;
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--desk);
  background-image:
    radial-gradient(ellipse at 50% 0%, rgba(255, 200, 120, 0.08), transparent 60%),
    repeating-linear-gradient(92deg, rgba(255, 255, 255, 0.015) 0 2px, transparent 2px 9px),
    linear-gradient(180deg, var(--desk-2), var(--desk));
  color: var(--ink);
  font-family: 'EB Garamond', Garamond, 'Times New Roman', serif;
  font-size: 1.15rem;
  line-height: 1.55;
  font-variant-numeric: oldstyle-nums;
}

a {
  color: var(--lapis);
  text-decoration-color: color-mix(in srgb, var(--lapis) 40%, transparent);
  text-underline-offset: 0.18em;
}
a:hover {
  color: var(--rubric);
}

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.skip {
  position: absolute;
  left: -999px;
}
.skip:focus {
  left: 1rem;
  top: 1rem;
  z-index: 10;
  background: var(--vellum);
  padding: 0.4rem 0.8rem;
}

/* ---------- The folio: every view sits on a sheet of vellum ---------- */

.folio {
  position: relative;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  background-color: var(--vellum);
  background-image:
    radial-gradient(ellipse at 20% 10%, var(--vellum-glow), transparent 55%),
    radial-gradient(ellipse at 85% 90%, rgba(120, 80, 30, 0.12), transparent 60%),
    linear-gradient(180deg, var(--vellum), var(--vellum-2));
  border-radius: 3px;
  box-shadow:
    0 0 0 1px var(--vellum-edge),
    0 18px 40px var(--shadow),
    inset 0 0 60px rgba(120, 80, 30, 0.18);
}
.folio::before {
  /* parchment grain */
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: var(--grain-opacity);
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .45 0 0 0 0 .32 0 0 0 0 .16 0 0 0 .18 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  border-radius: inherit;
}
.folio > * {
  position: relative;
}

/* ---------- Header ---------- */

.masthead {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0 14px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  color: #ecdcb8;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
  margin-right: auto;
}
.brand:hover {
  color: var(--gold-bright);
}
.brand svg {
  width: 40px;
  height: 40px;
  flex: none;
}
.brand-name {
  font-family: 'UnifrakturMaguntia', serif;
  font-size: 1.9rem;
  line-height: 1;
  letter-spacing: 0.01em;
}
.brand-sub {
  display: block;
  font-size: 0.82rem;
  font-style: italic;
  color: #bca984;
  letter-spacing: 0.04em;
}
.nav {
  display: flex;
  gap: 4px;
  align-items: center;
  flex-wrap: wrap;
}
.nav a,
.nav button {
  font: inherit;
  font-size: 1.02rem;
  color: #e6d6b2;
  background: none;
  border: 1px solid transparent;
  border-radius: 2px;
  padding: 4px 12px;
  cursor: pointer;
  text-decoration: none;
  font-variant: small-caps;
  letter-spacing: 0.06em;
}
.nav a:hover,
.nav button:hover {
  color: var(--gold-bright);
  border-color: rgba(217, 180, 90, 0.35);
}
.nav a[aria-current='page'] {
  color: var(--gold-bright);
  border-bottom-color: var(--gold-bright);
}
.nav .sep {
  width: 1px;
  height: 22px;
  background: rgba(230, 214, 178, 0.25);
  margin: 0 6px;
}
.nav button svg {
  width: 18px;
  height: 18px;
  vertical-align: -3px;
}

main {
  padding-bottom: 32px;
}

.colophon {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 10px 0 32px;
  color: #a8956f;
  font-size: 0.92rem;
  text-align: center;
  font-style: italic;
}
.colophon a {
  color: #d3bf92;
}

/* ---------- Typography ---------- */

h1,
h2,
h3 {
  font-weight: 400;
  line-height: 1.15;
  margin: 0 0 0.5em;
}
h1,
h2 {
  font-family: 'UnifrakturMaguntia', serif;
  color: var(--rubric);
}
h1 {
  font-size: clamp(2.3rem, 6vw, 3.6rem);
}
h2 {
  font-size: clamp(1.6rem, 3.6vw, 2.15rem);
  margin-top: 1.4em;
}
h3 {
  font-size: 1.25rem;
  font-variant: small-caps;
  letter-spacing: 0.06em;
  color: var(--lapis);
  margin-top: 1.4em;
}
p {
  margin: 0 0 0.9em;
}
.lede {
  font-size: 1.28rem;
  color: var(--ink-soft);
}
.smallcaps {
  font-variant: small-caps;
  letter-spacing: 0.06em;
}
em,
i {
  color: inherit;
}
.rubric {
  color: var(--rubric);
}
.latin {
  font-style: italic;
  color: var(--ink-soft);
}

/* Illuminated initial: blackletter capital in gold on a lapis field */
.illuminated::first-letter {
  float: left;
  font-family: 'UnifrakturMaguntia', serif;
  font-size: 3.6em;
  line-height: 0.82;
  padding: 0.12em 0.14em 0.06em;
  margin: 0.06em 0.16em 0 0;
  color: var(--gold-bright);
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.18), transparent 60%),
    var(--lapis);
  border: 2px solid var(--gold);
  box-shadow: inset 0 0 0 2px var(--lapis), inset 0 0 0 3px rgba(217, 180, 90, 0.6);
  border-radius: 2px;
}
:root[data-theme='dark'] .illuminated::first-letter {
  background: #1d2c4f;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) .illuminated::first-letter {
    background: #1d2c4f;
  }
}

.fleuron {
  display: block;
  margin: 1.6em auto;
  width: 160px;
  height: 18px;
  color: var(--rubric);
}

blockquote {
  margin: 1.2em 0;
  padding: 0.4em 1.2em;
  border-left: 3px double var(--rubric);
  font-style: italic;
  color: var(--ink-soft);
}
blockquote cite {
  display: block;
  margin-top: 0.4em;
  font-style: normal;
  font-variant: small-caps;
  letter-spacing: 0.05em;
  font-size: 0.95rem;
}

table {
  border-collapse: collapse;
  width: 100%;
  margin: 1em 0 1.4em;
  font-variant-numeric: lining-nums tabular-nums;
}
th,
td {
  padding: 6px 10px;
  border-bottom: 1px solid color-mix(in srgb, var(--board-line) 35%, transparent);
  text-align: left;
}
th {
  font-weight: 600;
  font-variant: small-caps;
  letter-spacing: 0.05em;
  color: var(--lapis);
  border-bottom: 2px solid var(--rubric);
}
td.num,
th.num {
  text-align: right;
}
.table-wrap {
  overflow-x: auto;
}

code,
.math {
  font-family: 'EB Garamond', serif;
  font-style: italic;
  font-variant-numeric: lining-nums;
}

/* ---------- Buttons and forms ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font: inherit;
  font-size: 1.05rem;
  font-variant: small-caps;
  letter-spacing: 0.07em;
  padding: 7px 18px;
  border-radius: 2px;
  border: 1px solid var(--ink-soft);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.15s, color 0.15s, border-color 0.15s;
}
.btn:hover {
  border-color: var(--rubric);
  color: var(--rubric);
}
.btn:disabled {
  opacity: 0.45;
  cursor: default;
}
.btn.primary {
  background: var(--rubric);
  border-color: var(--rubric);
  color: #fbf1dc;
  box-shadow: inset 0 0 0 1px rgba(255, 230, 180, 0.35);
}
.btn.primary:hover {
  background: color-mix(in srgb, var(--rubric) 85%, black);
  color: #fff;
}
.btn.small {
  font-size: 0.95rem;
  padding: 4px 12px;
}
.btn svg {
  width: 18px;
  height: 18px;
}

fieldset {
  border: none;
  margin: 0 0 18px;
  padding: 0;
}
legend {
  font-variant: small-caps;
  letter-spacing: 0.07em;
  color: var(--lapis);
  font-weight: 600;
  margin-bottom: 6px;
  padding: 0;
}
.choices {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 8px;
}
.choice {
  position: relative;
}
.choice input {
  position: absolute;
  opacity: 0;
  inset: 0;
  margin: 0;
  cursor: pointer;
}
.choice span {
  display: block;
  height: 100%;
  padding: 8px 12px;
  border: 1px solid color-mix(in srgb, var(--ink-soft) 45%, transparent);
  border-radius: 2px;
  background: color-mix(in srgb, var(--vellum) 70%, transparent);
  transition: border-color 0.15s, background-color 0.15s;
}
.choice b {
  display: block;
  font-weight: 600;
}
.choice small {
  display: block;
  color: var(--ink-faint);
  font-size: 0.9rem;
  line-height: 1.3;
}
.choice input:checked + span {
  border-color: var(--rubric);
  background: color-mix(in srgb, var(--rubric) 9%, var(--vellum));
  box-shadow: inset 0 0 0 1px var(--rubric);
}
.choice input:focus-visible + span {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}
.check {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  cursor: pointer;
}
.check input {
  margin-top: 6px;
  accent-color: var(--rubric);
  width: 18px;
  height: 18px;
}
.check small {
  display: block;
  color: var(--ink-faint);
  font-size: 0.9rem;
}

/* ---------- Home ---------- */

.home {
  padding: 40px clamp(18px, 5vw, 64px) 48px;
}
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
}
.hero h1 {
  margin-bottom: 0.1em;
}
.hero .tagline {
  font-style: italic;
  color: var(--ink-soft);
  font-size: 1.25rem;
  margin-bottom: 1.2em;
}
.hero-board {
  border: 1px solid var(--vellum-edge);
  padding: 10px;
  background: color-mix(in srgb, var(--vellum-2) 60%, transparent);
  box-shadow: 0 6px 18px var(--shadow);
  transform: rotate(-1.2deg);
}
.hero-board svg {
  display: block;
  width: 100%;
  height: auto;
}
.home-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  margin-top: 36px;
}
.panel {
  border: 1px solid color-mix(in srgb, var(--board-line) 40%, transparent);
  padding: 22px 24px;
  background: color-mix(in srgb, var(--vellum) 55%, transparent);
  box-shadow: inset 0 0 0 4px color-mix(in srgb, var(--vellum-2) 80%, transparent),
    inset 0 0 0 5px color-mix(in srgb, var(--rubric) 30%, transparent);
}
.panel > h2:first-child {
  margin-top: 0;
}
.resume {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 18px;
  padding: 10px 14px;
  border: 1px dashed var(--gold);
}
.chapters {
  list-style: none;
  padding: 0;
  margin: 0;
}
.chapters li + li {
  border-top: 1px solid color-mix(in srgb, var(--board-line) 25%, transparent);
}
.chapters a {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 4px 12px;
  padding: 10px 4px;
  text-decoration: none;
  color: var(--ink);
}
.chapters a:hover {
  background: color-mix(in srgb, var(--gold) 10%, transparent);
}
.chapters .num {
  grid-row: span 2;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--rubric);
  font-size: 1.35rem;
  text-align: center;
  line-height: 1.3;
}
.chapters .t {
  font-weight: 600;
  font-variant: small-caps;
  letter-spacing: 0.05em;
  color: var(--lapis);
}
.chapters .s {
  color: var(--ink-faint);
  font-size: 0.95rem;
  line-height: 1.35;
}

/* ---------- Game ---------- */

.game {
  padding: 18px clamp(12px, 2.5vw, 28px) 28px;
}
.game-top {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.status {
  flex: 1 1 260px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.2rem;
  min-height: 2.2em;
}
.status .seal {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  flex: none;
  border: 2px solid var(--piece-white-stroke);
  background: var(--piece-white);
}
.status .seal.black {
  background: var(--piece-black);
  border-color: var(--piece-black-stroke);
}
.status .thinking::after {
  content: '';
  display: inline-block;
  width: 1.2em;
  text-align: left;
  animation: dots 1.2s steps(4) infinite;
}
@keyframes dots {
  0% { content: ''; }
  25% { content: '.'; }
  50% { content: '..'; }
  75% { content: '...'; }
}
.status small {
  display: block;
  font-size: 0.9rem;
  color: var(--ink-faint);
  font-style: italic;
}
.toolbar {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.toggle[aria-pressed='true'] {
  background: color-mix(in srgb, var(--lapis) 14%, transparent);
  border-color: var(--lapis);
  color: var(--lapis);
}

.board-wrap {
  position: relative;
  margin: 0 auto;
}
.board-wrap svg.board {
  display: block;
  width: 100%;
  height: auto;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
}

.game-panels {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
  margin-top: 18px;
}
.card {
  border: 1px solid color-mix(in srgb, var(--board-line) 40%, transparent);
  padding: 12px 16px 14px;
  background: color-mix(in srgb, var(--vellum) 50%, transparent);
  min-width: 0;
}
.card h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  color: var(--rubric);
}
.tally {
  margin-bottom: 12px;
}
.tally-head {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 1rem;
}
.tally-head b {
  font-weight: 600;
}
.tally-head span {
  font-variant-numeric: lining-nums tabular-nums;
  color: var(--ink-soft);
}
.bar {
  position: relative;
  height: 8px;
  margin: 4px 0 6px;
  background: color-mix(in srgb, var(--board-line) 18%, transparent);
  border: 1px solid color-mix(in srgb, var(--board-line) 40%, transparent);
}
.bar i {
  position: absolute;
  inset: 0 auto 0 0;
  background: linear-gradient(90deg, var(--gold), var(--gold-bright));
  transition: width 0.4s ease;
}
.bar.rival i {
  background: linear-gradient(90deg, var(--rubric), var(--rubric-soft));
}
.tray {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  min-height: 30px;
}
.tray svg {
  width: 30px;
  height: 30px;
}
.chronicle {
  max-height: 260px;
  overflow-y: auto;
  margin: 0;
  padding: 0 4px 0 0;
  list-style: none;
  font-size: 1rem;
  font-variant-numeric: lining-nums;
  counter-reset: none;
}
.chronicle li {
  display: grid;
  grid-template-columns: 2.4em 1fr;
  gap: 6px;
  padding: 3px 0;
  border-bottom: 1px dotted color-mix(in srgb, var(--board-line) 30%, transparent);
}
.chronicle .n {
  color: var(--ink-faint);
  text-align: right;
}
.chronicle .cap {
  display: block;
  color: var(--rubric);
  font-size: 0.92rem;
  font-style: italic;
}
.chronicle .mine {
  color: var(--ink);
}
.chronicle .theirs {
  color: var(--ink-soft);
}
.glyph {
  display: inline-block;
  width: 0.95em;
  height: 0.95em;
  vertical-align: -0.1em;
  margin-right: 2px;
}
.inspector {
  font-size: 1rem;
}
.inspector .big {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 6px;
}
.inspector .big svg {
  width: 52px;
  height: 52px;
  flex: none;
}
.inspector .big b {
  font-size: 1.5rem;
  font-variant-numeric: lining-nums;
  font-weight: 600;
}
.inspector .big span {
  display: block;
  color: var(--ink-faint);
  font-style: italic;
}
.inspector p {
  margin: 0 0 0.5em;
}
.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  font-size: 0.9rem;
  color: var(--ink-faint);
  margin-top: 8px;
}
.legend i {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  vertical-align: -1px;
  margin-right: 4px;
}
.legend .l-move {
  background: var(--mark-move);
}
.legend .l-cap {
  border: 3px solid var(--mark-capture);
}
.legend .l-danger {
  border: 2px dashed var(--mark-danger);
}

/* Board drawing */
.sq-a {
  fill: var(--board-a);
}
.sq-b {
  fill: var(--board-b);
}
.grid-line {
  stroke: var(--board-line);
  stroke-width: 0.8;
  opacity: 0.55;
}
.frame-outer {
  fill: none;
  stroke: var(--board-frame);
  stroke-width: 5;
}
.frame-inner {
  fill: none;
  stroke: var(--gold);
  stroke-width: 1.4;
}
.midline {
  stroke: var(--rubric);
  stroke-width: 2.2;
  stroke-dasharray: 2 5;
  stroke-linecap: round;
}
.half-tint {
  fill: var(--rubric);
  opacity: 0.035;
}
.coord {
  fill: var(--ink-faint);
  font-family: 'EB Garamond', serif;
  font-size: 13px;
  font-style: italic;
  text-anchor: middle;
  dominant-baseline: central;
}
.hit {
  fill: transparent;
  cursor: pointer;
}
.last-move {
  fill: var(--mark-last);
}
.dot-move {
  fill: var(--mark-move);
  pointer-events: none;
}
.ring-capture {
  fill: none;
  stroke: var(--mark-capture);
  stroke-width: 3.5;
  pointer-events: none;
}
.ring-danger {
  fill: none;
  stroke: var(--mark-danger);
  stroke-width: 2.4;
  stroke-dasharray: 4 3;
  pointer-events: none;
}
.danger-x {
  stroke: var(--mark-danger);
  stroke-width: 2.2;
  stroke-linecap: round;
  pointer-events: none;
}
.sel-ring {
  fill: none;
  stroke: var(--gold-bright);
  stroke-width: 3;
  pointer-events: none;
}
.triumph-line {
  stroke: var(--gold-bright);
  stroke-width: 6;
  stroke-linecap: round;
  opacity: 0.8;
  pointer-events: none;
}
.arrow {
  stroke: var(--lapis);
  stroke-width: 3;
  fill: none;
  stroke-linecap: round;
  pointer-events: none;
}
.arrow-head {
  fill: var(--lapis);
}
.arrow.attack {
  stroke: var(--rubric);
  stroke-dasharray: 6 4;
}
.arrow-head.attack {
  fill: var(--rubric);
}
.ghost {
  opacity: 0.28;
}
.strike {
  stroke: var(--rubric);
  stroke-width: 3;
  opacity: 0.7;
  stroke-linecap: round;
}

.piece {
  transition: transform 0.38s cubic-bezier(0.3, 0.8, 0.3, 1);
  filter: drop-shadow(0 2px 1.5px var(--shadow));
}
.piece.mine {
  cursor: pointer;
}
.piece .body.white {
  fill: var(--piece-white);
  stroke: var(--piece-white-stroke);
  stroke-width: 1.6;
}
.piece .body.black {
  fill: var(--piece-black);
  stroke: var(--piece-black-stroke);
  stroke-width: 1.6;
}
.piece .band {
  stroke-width: 1.1;
  fill: none;
}
.piece .band.white {
  stroke: var(--piece-white-stroke);
}
.piece .band.black {
  stroke: var(--piece-black-stroke);
}
.piece text {
  font-family: 'EB Garamond', serif;
  font-weight: 600;
  text-anchor: middle;
  dominant-baseline: central;
  font-variant-numeric: lining-nums;
  pointer-events: none;
}
.piece text.white {
  fill: var(--piece-white-text);
}
.piece text.black {
  fill: var(--piece-black-text);
}
.piece.falling {
  animation: fall 0.9s ease-in forwards;
}
@keyframes fall {
  0% { opacity: 1; }
  30% { opacity: 1; filter: drop-shadow(0 0 6px var(--mark-danger)); }
  100% { opacity: 0; }
}
.piece.hidden {
  display: none;
}

/* Diagrams in the codex */
figure.diagram {
  margin: 1.4em auto;
  max-width: 460px;
}
.diagram-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 1.4em 0;
}
.diagram-row figure.diagram {
  margin: 0;
  max-width: none;
}
@media (max-width: 640px) {
  .diagram-row {
    grid-template-columns: 1fr;
    max-width: 320px;
    margin-inline: auto;
  }
}
figure.diagram.wide {
  max-width: 760px;
}
figure.diagram svg {
  display: block;
  width: 100%;
  height: auto;
}
figure.diagram figcaption {
  margin-top: 6px;
  font-size: 0.98rem;
  color: var(--ink-soft);
  font-style: italic;
  text-align: center;
}

/* ---------- Dialog ---------- */

dialog {
  border: none;
  padding: 0;
  background: transparent;
  color: var(--ink);
  max-width: min(640px, calc(100% - 24px));
  width: 100%;
}
dialog.folio {
  margin: auto;
}
dialog::backdrop {
  background: rgba(20, 12, 4, 0.62);
}
.dialog-body {
  padding: 26px clamp(18px, 4vw, 34px) 24px;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
}
.dialog-body h2 {
  margin-top: 0;
}
.dialog-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
  margin-top: 8px;
}
.verdict {
  text-align: center;
}
.verdict h2 {
  font-size: clamp(2.4rem, 8vw, 3.4rem);
  margin-bottom: 0.1em;
}
.verdict .why {
  font-size: 1.2rem;
  font-style: italic;
  color: var(--ink-soft);
}
.verdict .stats {
  display: flex;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  margin: 14px 0 18px;
  font-variant-numeric: lining-nums;
}
.verdict .stats b {
  display: block;
  font-size: 1.5rem;
  color: var(--lapis);
}
.verdict .dialog-actions {
  justify-content: center;
}

/* ---------- Toasts (capture announcements) ---------- */

.toasts {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
  z-index: 20;
  pointer-events: none;
  width: min(520px, calc(100% - 24px));
}
.toast {
  background: var(--vellum);
  color: var(--ink);
  border: 1px solid var(--gold);
  box-shadow: 0 6px 18px var(--shadow);
  padding: 8px 16px;
  font-size: 1.02rem;
  animation: toast 4.2s ease forwards;
  text-align: center;
}
.toast.bad {
  border-color: var(--rubric);
}
@keyframes toast {
  0% { opacity: 0; transform: translateY(8px); }
  8% { opacity: 1; transform: none; }
  85% { opacity: 1; }
  100% { opacity: 0; }
}

/* ---------- Codex (wiki) ---------- */

.codex {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: clamp(20px, 3vw, 44px);
  padding: 34px clamp(18px, 4vw, 52px) 48px;
}
.codex-nav {
  position: sticky;
  top: 16px;
  align-self: start;
  font-size: 1rem;
}
.codex-nav h2 {
  font-size: 1.4rem;
  margin: 0 0 8px;
}
.codex-nav ol {
  list-style: none;
  margin: 0;
  padding: 0;
}
.codex-nav a {
  display: flex;
  gap: 10px;
  padding: 5px 6px;
  text-decoration: none;
  color: var(--ink-soft);
  border-left: 2px solid transparent;
}
.codex-nav a .n {
  font-weight: 600;
  color: var(--rubric);
  min-width: 1.8em;
}
.codex-nav a:hover,
.codex-nav a[aria-current='page'] {
  color: var(--ink);
  border-left-color: var(--rubric);
  background: color-mix(in srgb, var(--gold) 9%, transparent);
}
.chapter {
  max-width: 760px;
  min-width: 0;
}
.chapter .kicker {
  font-variant: small-caps;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  margin-bottom: 4px;
}
.chapter h1 {
  font-size: clamp(2.1rem, 5vw, 3rem);
}
.chapter-foot {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 36px;
  padding-top: 14px;
  border-top: 1px solid color-mix(in srgb, var(--rubric) 40%, transparent);
}
.note {
  border: 1px solid color-mix(in srgb, var(--gold) 60%, transparent);
  background: color-mix(in srgb, var(--gold) 8%, transparent);
  padding: 10px 16px;
  margin: 1.2em 0;
  font-size: 1.05rem;
}
.note b:first-child {
  font-variant: small-caps;
  letter-spacing: 0.05em;
  color: var(--rubric);
}
.timeline {
  list-style: none;
  padding: 0;
  margin: 1.2em 0;
  border-left: 2px solid var(--rubric);
}
.timeline li {
  position: relative;
  padding: 0 0 14px 22px;
}
.timeline li::before {
  content: '';
  position: absolute;
  left: -7px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gold);
  border: 2px solid var(--vellum);
  box-shadow: 0 0 0 1px var(--rubric);
}
.timeline .y {
  font-weight: 700;
  color: var(--lapis);
  font-variant-numeric: lining-nums;
  margin-right: 6px;
}
dl.glossary dt {
  font-weight: 600;
  color: var(--lapis);
  margin-top: 0.8em;
}
dl.glossary dd {
  margin: 0.15em 0 0 1.2em;
}
.widget {
  border: 1px solid color-mix(in srgb, var(--board-line) 45%, transparent);
  background: color-mix(in srgb, var(--vellum-2) 55%, transparent);
  padding: 14px 18px;
  margin: 1.4em 0;
}
.widget label {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  margin-right: 16px;
}
.widget input[type='number'] {
  font: inherit;
  width: 6em;
  padding: 3px 6px;
  border: 1px solid var(--ink-soft);
  background: var(--vellum);
  color: var(--ink);
  border-radius: 2px;
  font-variant-numeric: lining-nums;
}
.widget output {
  display: block;
  margin-top: 10px;
  font-variant-numeric: lining-nums;
}
.widget .means {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 8px;
  margin-top: 10px;
}
.widget .means div {
  border-top: 2px solid var(--rubric);
  padding-top: 4px;
}
.widget .means b {
  display: block;
  font-size: 1.5rem;
  color: var(--lapis);
}
.chain {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 6px;
  font-variant-numeric: lining-nums;
}
.chain .ratio {
  font-size: 0.85rem;
  color: var(--rubric);
  font-style: italic;
}

/* ---------- Where to play ---------- */

.where {
  padding: 36px clamp(18px, 5vw, 64px) 48px;
}
.where > p,
.where > dl {
  max-width: 760px;
}
.platforms {
  list-style: none;
  padding: 0;
  margin: 28px 0 8px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 14px;
}
.platform {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  border: 1px solid color-mix(in srgb, var(--board-line) 40%, transparent);
  background: color-mix(in srgb, var(--vellum) 55%, transparent);
}
.platform.live {
  border-color: var(--gold);
  box-shadow: inset 0 0 0 3px color-mix(in srgb, var(--vellum-2) 80%, transparent),
    inset 0 0 0 4px color-mix(in srgb, var(--gold) 45%, transparent);
}
.platform.soon {
  opacity: 0.72;
}
.platform-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
}
.platform-head b {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--lapis);
}
.platform p {
  margin: 0;
  font-size: 1rem;
  color: var(--ink-soft);
}
.platform .price {
  font-weight: 600;
  color: var(--ink);
  font-variant: small-caps;
  letter-spacing: 0.05em;
}
.badge {
  font-size: 0.82rem;
  font-variant: small-caps;
  letter-spacing: 0.08em;
  padding: 1px 8px;
  border: 1px solid currentColor;
  border-radius: 2px;
  color: var(--ink-faint);
  white-space: nowrap;
}
.live .badge {
  color: var(--verdigris);
}
.platform-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  margin-top: auto;
  padding-top: 6px;
}
.platform-actions small {
  color: var(--verdigris);
}
[hidden] {
  display: none !important;
}

/* ---------- Responsive ---------- */

@media (max-width: 980px) {
  .game-panels {
    grid-template-columns: 1fr 1fr;
  }
  .game-panels .card.log {
    grid-column: span 2;
  }
}
@media (max-width: 820px) {
  .hero,
  .home-grid,
  .codex {
    grid-template-columns: 1fr;
  }
  .codex-nav {
    position: static;
  }
  .codex-nav ol {
    display: flex;
    flex-wrap: wrap;
    gap: 2px 4px;
  }
  .hero-board {
    transform: none;
  }
}
@media (max-width: 640px) {
  body {
    font-size: 1.08rem;
  }
  .folio {
    width: calc(100% - 16px);
  }
  .masthead {
    width: calc(100% - 32px);
  }
  .game-panels {
    grid-template-columns: 1fr;
  }
  .game-panels .card.log {
    grid-column: auto;
  }
  .board-wrap {
    max-width: 480px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .piece,
  .bar i {
    transition: none;
  }
  .piece.falling,
  .toast {
    animation-duration: 0.01s;
  }
}