:root {
  --panel-width: 1000px;
  --panel-viewport: 90vw;
  --panel-height: 90vh;
  --panel-padding: 24px;
  --panel-gap: 16px;
  --panel-backdrop: #173f3577;
  --stats-size: 28px;
  --stats-columns: 2;
  --gate-width: 720px;
  --gate-padding: 70px;
  --gate-button-gap: 20px;
  --gate-action-padding: 16px 24px;
  --ink: #233d32;
  --muted: #6e786e;
  --paper: #f6f3e9;
  --green: #173f35;
  --gold: #d8bd78;
  --line: #d8dbcd;
  --red: #a54a3d;
  --tile: #fffced;
  --radius: 5px;
}
dialog {
  width: min(var(--panel-width), var(--panel-viewport));
  max-height: var(--panel-height);
  padding: var(--panel-padding);
  color: var(--ink);
  background: var(--paper);
  border: thin solid var(--line);
  border-radius: var(--radius);
}
dialog::backdrop {
  background: var(--panel-backdrop);
}
.panel-heading,
.history-entry,
.replay-navigation {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--panel-gap);
}
.profile-stats {
  display: grid;
  grid-template-columns: repeat(var(--stats-columns), 1fr);
  gap: var(--panel-gap);
  margin-block: var(--panel-padding);
}
.profile-stats strong,
.profile-stats span {
  display: block;
}
.profile-stats strong {
  font-size: var(--stats-size);
}
.history-entry,
.replay-seat {
  border-top: thin solid var(--line);
  padding-block: var(--panel-gap);
}
#replay-board .hand {
  flex-wrap: wrap;
}
#profile-error,
#replay-error {
  color: var(--red);
}
.auth-gate {
  max-width: var(--gate-width);
  padding: var(--gate-padding) 0;
  margin: auto;
  text-align: center;
}
.auth-link {
  display: inline-flex;
  gap: var(--gate-button-gap);
  padding: var(--gate-action-padding);
  margin-top: var(--gate-button-gap);
  border-radius: var(--radius);
  background: var(--green);
  color: var(--paper);
  text-decoration: none;
}
#development-login {
  margin-top: var(--gate-button-gap);
}
.table-tools {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  font-size: 11px;
  color: var(--muted);
}
.table-tools button {
  padding: 7px 10px;
  font-size: 11px;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, "Microsoft JhengHei", sans-serif;
}
button,
input,
select {
  font: inherit;
}
button,
a,
input,
select {
  touch-action: manipulation;
}
button {
  cursor: pointer;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 13px 18px;
  background: transparent;
  color: var(--ink);
}
button:hover {
  background: #e6e8dc;
}
button:disabled {
  opacity: 0.45;
  cursor: default;
}
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}
button.primary {
  background: var(--green);
  color: var(--paper);
  border-color: var(--green);
}
header {
  height: 100px;
  margin: 0 5vw;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand {
  display: flex;
  gap: 14px;
  align-items: center;
  font-family: serif;
  font-size: 42px;
  text-decoration: none;
  color: var(--green);
}
.brand span {
  font-family: Arial, sans-serif;
  font-size: 17px;
  letter-spacing: 3px;
}
.brand small {
  display: block;
  font-size: 8px;
  letter-spacing: 2.5px;
  margin-top: 7px;
}
main {
  max-width: 1500px;
  padding: 0 5vw;
  margin: auto;
}
#welcome {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 9vw;
  padding: 75px 0;
}
.eyebrow {
  font-size: 10px;
  letter-spacing: 2px;
  font-weight: 600;
}
.intro .eyebrow {
  color: var(--muted);
}
h1 {
  font-family: Georgia, serif;
  font-weight: 400;
  font-size: clamp(42px, 4.8vw, 74px);
  line-height: 1.08;
  letter-spacing: -2px;
  margin: 27px 0;
}
.intro > p:not(.eyebrow) {
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
}
.hero-tiles {
  display: flex;
  gap: 12px;
  margin: 50px 0 10px;
  padding-left: 20px;
  transform: rotate(-8deg);
}
.hero-tiles span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 85px;
  height: 116px;
  background: var(--tile);
  font-size: 44px;
  color: var(--green);
  border-radius: 8px;
  border: 1px solid #e0dbc5;
  box-shadow:
    0 7px 0 #adc1ac,
    0 12px 20px #223e3222;
}
.hero-tiles span:first-child {
  font-size: 30px;
  color: var(--red);
  transform: rotate(-7deg);
}
.hero-tiles span:last-child {
  transform: rotate(7deg);
}
.setup {
  background: #fffef7;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 28px 32px;
  box-shadow: 0 15px 40px #243b3208;
}
.setup-heading {
  display: flex;
  justify-content: space-between;
  margin-bottom: 24px;
  color: var(--muted);
  font-size: 10px;
}
h2 {
  font-family: Georgia, serif;
  font-size: 25px;
  font-weight: 400;
  margin: 24px 0 18px;
}
label {
  display: block;
  font-size: 12px;
  font-weight: 600;
}
input,
select {
  width: 100%;
  padding: 12px;
  margin-top: 9px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fffef9;
  color: var(--ink);
}
.fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.input-unit {
  position: relative;
}
.input-unit input {
  padding-right: 78px;
}
.input-unit span {
  position: absolute;
  right: 12px;
  top: 24px;
  font-size: 11px;
  color: var(--muted);
}
.hint {
  font-size: 11px;
  line-height: 1.7;
  color: var(--muted);
  margin: 16px 0 20px;
}
#create > button,
#join > button {
  width: 100%;
  text-align: left;
  display: flex;
  justify-content: space-between;
}
#join > button {
  margin-top: 12px;
}
.divider {
  border-top: 1px solid var(--line);
  margin: 28px 0 22px;
  text-align: center;
}
.divider span {
  font-size: 8px;
  letter-spacing: 1.7px;
  background: #fffef7;
  position: relative;
  top: -8px;
  padding: 0 10px;
  color: var(--muted);
}
#rules {
  border-top: 1px solid var(--line);
  padding: 24px 0;
  color: var(--muted);
  font-size: 12px;
}
summary {
  cursor: pointer;
  display: flex;
  justify-content: space-between;
}
.rules-content {
  max-width: 900px;
  line-height: 1.8;
  padding-top: 16px;
}
footer {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  padding: 24px 5vw;
  font-size: 9px;
  letter-spacing: 1.5px;
  color: var(--muted);
}
#error {
  color: var(--red);
  font-size: 14px;
}
#table {
  padding: 30px 0;
}
.table-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.table-heading h1 {
  font-size: 32px;
  letter-spacing: -1px;
  margin: 8px 0 18px;
}
#rules-strip {
  font-size: 10px;
  letter-spacing: 1.5px;
  margin: 15px 0 20px;
  color: var(--muted);
}
.lobby-board,
.game-board {
  background: var(--green);
  border: 8px solid #345e4c;
  border-radius: 22px;
  padding: 24px;
  color: var(--paper);
  box-shadow: inset 0 0 80px #0002;
}
.table-mark {
  text-align: center;
  color: var(--gold);
  font-size: 70px;
  margin: 20px;
}
.seats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.seat-card {
  padding: 20px;
  background: #ffffff08;
  border: 1px solid #ffffff20;
  border-radius: 8px;
}
.seat-card h2 {
  font-size: 20px;
}
.seat-card p {
  font-size: 11px;
  color: #b6c8b7;
}
#controls {
  text-align: center;
  padding: 22px 10px;
  min-height: 110px;
}
#controls p {
  font-size: 13px;
}
.game-board {
  display: grid;
  grid-template-columns: 1fr 1.5fr 1fr;
  grid-template-rows: auto auto auto;
  gap: 12px;
  min-height: 570px;
}
.position-0 {
  grid-area: 3 / 1 / 4 / 4;
}
.position-1 {
  grid-area: 2 / 3;
}
.position-2 {
  grid-area: 1 / 1 / 2 / 4;
}
.position-3 {
  grid-area: 2 / 1;
}
.player {
  text-align: center;
  padding: 10px;
  border: 1px solid transparent;
  border-radius: 9px;
  min-width: 0;
}
.player.active {
  border-color: var(--gold);
  background: #ffffff06;
}
.player h3 {
  font-size: 12px;
  margin: 0 0 5px;
}
.player-info {
  font-size: 9px;
  color: #c2d1c1;
  margin: 0 0 10px;
}
.hand,
.melds,
.discards {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 3px;
}
.tile {
  width: 35px;
  height: 47px;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: var(--tile);
  border: 1px solid #d1d4be;
  border-radius: 4px;
  box-shadow: 0 3px 0 #a3b39a;
  color: var(--green);
  padding: 0;
  flex-shrink: 0;
  vertical-align: middle;
}
.tile b {
  font-size: 21px;
  font-weight: 500;
  line-height: 1.1;
}
.tile small {
  font-size: 10px;
}
.suit-0,
.suit-3 {
  color: var(--red);
}
button.tile:hover {
  transform: translateY(-7px);
  background: #fff9cf;
}
.tile.back {
  background: #718f76;
  border-color: #87a086;
  width: 15px;
  height: 27px;
  box-shadow: 0 2px 0 #31573b;
}
.position-0 .tile {
  width: 42px;
  height: 58px;
}
.position-0 .tile b {
  font-size: 25px;
}
.melds {
  margin-top: 8px;
}
.meld {
  display: inline-flex;
  gap: 1px;
  margin-right: 5px;
  align-items: center;
}
.meld > small {
  font-size: 7px;
  margin-left: 4px;
}
.melds .tile,
.position-0 .melds .tile,
.discards .tile,
.position-0 .discards .tile {
  width: 23px;
  height: 31px;
  box-shadow: none;
}
.melds .tile b,
.position-0 .melds .tile b,
.discards .tile b,
.position-0 .discards .tile b {
  font-size: 16px;
}
.melds .tile small,
.discards .tile small {
  font-size: 7px;
}
.discards {
  margin: 10px auto 0;
  max-width: 380px;
}
.center {
  grid-area: 2 / 2;
  text-align: center;
  align-self: center;
}
.center h2 {
  font-size: 38px;
  margin: 10px;
}
.center > small,
.center > p:not(.eyebrow) {
  font-size: 10px;
  color: #c2d1c1;
}
.center > .tile {
  display: flex;
  margin: 12px auto;
  width: 45px;
  height: 60px;
}
.center h3 {
  font-size: 19px;
}
.timer {
  display: block;
  color: var(--gold);
  font-size: 18px;
  margin: 12px;
}
.actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}
.actions button {
  font-size: 13px;
}
[hidden] {
  display: none !important;
}
@media (max-width: 850px) {
  #welcome {
    gap: 30px;
    padding: 40px 0;
  }
  .setup {
    padding: 24px;
  }
  .seats {
    grid-template-columns: 1fr 1fr;
  }
  .game-board {
    padding: 10px;
    grid-template-columns: 1fr 1fr 1fr;
  }
  .position-0 .tile {
    width: 32px;
    height: 45px;
  }
  .position-0 .tile b {
    font-size: 21px;
  }
  .player {
    padding: 5px;
  }
  .tile {
    width: 25px;
    height: 36px;
  }
  .tile b {
    font-size: 17px;
  }
}
@media (max-width: 600px) {
  header {
    height: 80px;
  }
  .brand {
    font-size: 30px;
  }
  .brand span {
    font-size: 12px;
    letter-spacing: 2px;
  }
  .brand small {
    font-size: 6px;
  }
  #account {
    max-width: 140px;
    text-align: right;
  }
  #account .eyebrow {
    font-size: 8px;
  }
  #welcome {
    grid-template-columns: 1fr;
    padding-top: 30px;
  }
  .intro h1 {
    font-size: 49px;
  }
  .hero-tiles {
    display: none;
  }
  .intro > p:not(.eyebrow) {
    font-size: 13px;
  }
  .setup {
    padding: 23px;
  }
  main {
    padding: 0 4vw;
  }
  .table-heading h1 {
    font-size: 24px;
  }
  .table-heading button {
    font-size: 11px;
    padding: 10px;
  }
  #rules-strip {
    font-size: 8px;
    line-height: 1.8;
  }
  .game-board {
    border-width: 4px;
    gap: 4px;
    padding: 6px;
    border-radius: 12px;
    min-height: 520px;
    grid-template-columns: 1fr 1fr 1fr;
  }
  .position-0 .tile {
    width: 26px;
    height: 39px;
  }
  .position-0 .tile b {
    font-size: 18px;
  }
  .position-0 .hand {
    gap: 2px;
  }
  .player h3 {
    font-size: 10px;
  }
  .tile.back {
    width: 10px;
    height: 19px;
  }
  .center .eyebrow {
    font-size: 7px;
    letter-spacing: 1px;
  }
  .center h2 {
    font-size: 28px;
  }
  .center .timer {
    font-size: 14px;
  }
  .discards .tile,
  .position-0 .discards .tile,
  .melds .tile,
  .position-0 .melds .tile {
    width: 18px;
    height: 25px;
  }
  .discards .tile b,
  .position-0 .discards .tile b,
  .melds .tile b {
    font-size: 12px;
  }
  footer {
    font-size: 7px;
  }
  .seat-card {
    padding: 12px;
  }
  .seat-card h2 {
    font-size: 17px;
  }
}