:root {
  --walnut: #2b1d15;
  --walnut-deep: #1c120c;
  --paper: #f6eedd;
  --paper-2: #efe4cd;
  --rule: #d9cbb0;
  --ink: #1f1a17;
  --ink-2: #5c4f44;
  --ink-3: #8c7d6d;
  --brick: #a8432f;
  --brick-deep: #87331f;
  --moss: #2f6b4f;
  --gold: #c9973a;
  --font-ui: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.45), 0 2px 6px rgba(0, 0, 0, 0.35);
}
* { box-sizing: border-box; }
html {
  background: var(--walnut-deep);
}
body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(120% 90% at 50% 0%, #3a2819 0%, var(--walnut) 45%, var(--walnut-deep) 100%) no-repeat;
  color: var(--paper);
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--brick); color: var(--paper); }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 28px;
  padding: 28px 24px 40px;
  max-width: 1160px;
  margin: 0 auto;
  min-height: 100vh;
  align-items: start;
}
.board-wrap { position: relative; display: flex; justify-content: center; }
#board { width: 100%; max-width: 740px; aspect-ratio: 1; }
#board canvas { border-radius: 18px; box-shadow: var(--shadow); }

.panel {
  background: var(--paper);
  color: var(--ink);
  border-radius: 10px;
  box-shadow: var(--shadow), inset 0 1px 0 #fff8;
  padding: 22px 22px 18px;
  display: flex;
  flex-direction: column;
  position: relative;
}
/* a scorecard, not a stack of cards: sections sit between rules */
.panel > section + section,
.panel > header + section { border-top: 1px solid var(--rule); padding-top: 14px; margin-top: 14px; }

.panel header h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 30px;
  line-height: 1.05;
  letter-spacing: -0.015em;
  font-variation-settings: "opsz" 72, "SOFT" 30;
}
.panel header .sub { margin: 6px 0 0; color: var(--ink-3); font-size: 13px; }

h2 {
  margin: 0 0 8px;
  font-size: 11.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-2);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
h2 .muted { text-transform: none; letter-spacing: 0; font-weight: 500; }
.big { margin: 0; font-family: var(--font-display); font-size: 24px; font-weight: 500; line-height: 1.1; }
.muted { color: var(--ink-3); font-size: 13px; margin: 6px 0 0; }
.muted strong { color: var(--ink); font-variant-numeric: tabular-nums; }

.scores { list-style: none; padding: 0; margin: 0; }
.scores li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 7px 0 7px 14px; position: relative;
  font-size: 15px;
}
.scores li + li { border-top: 1px dashed var(--rule); }
.scores li::before {
  content: ""; position: absolute; left: 0; top: 50%; width: 7px; height: 7px; border-radius: 50%;
  transform: translateY(-50%) scale(0); background: var(--brick); transition: transform 200ms cubic-bezier(.2,.9,.3,1.2);
}
.scores li.active::before { transform: translateY(-50%) scale(1); }
.scores li.active { font-weight: 600; }
.scores .score { font-family: var(--font-display); font-size: 22px; font-weight: 600; font-variant-numeric: tabular-nums; }

.discard { display: flex; flex-wrap: wrap; gap: 5px; min-height: 28px; align-items: center; }
.chip {
  display: inline-flex; align-items: baseline; gap: 3px;
  background: #fbf6ea; border: 1px solid #e3d6bb; border-bottom-width: 2px; border-radius: 4px;
  padding: 1px 6px 2px; font-family: var(--font-display); font-weight: 600; font-size: 15px; line-height: 1.3;
  box-shadow: 0 1px 1px rgba(0,0,0,.08);
}
.chip small { font-family: var(--font-ui); color: var(--brick); font-size: 10px; font-weight: 600; }

.field { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin: 0 0 10px; font-size: 13px; color: var(--ink-2); }
select {
  font: inherit; font-size: 13px; font-weight: 500; color: var(--ink);
  background: #fbf6ea; border: 1px solid #c9b995; border-radius: 6px; padding: 5px 28px 5px 9px;
  appearance: none; -webkit-appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 4.5 6 8l3.5-3.5' fill='none' stroke='%235c4f44' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 9px center;
}
select:hover { border-color: var(--ink-3); }
.tag { display: inline-block; margin-left: 8px; font-size: 10px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--brick); vertical-align: middle; }
.buttons { display: flex; flex-wrap: wrap; gap: 6px; }
button, .button {
  font: inherit; font-size: 13px; font-weight: 500;
  background: transparent; color: var(--ink); border: 1px solid #c9b995;
  border-radius: 6px; padding: 6px 11px; cursor: pointer; line-height: 1.2;
  transition: background 120ms, border-color 120ms, transform 120ms;
}
button:hover, .button:hover { background: var(--paper-2); border-color: var(--ink-3); }
button:active, .button:active { transform: translateY(1px); }
button.primary { background: var(--brick); color: var(--paper); border-color: var(--brick-deep); font-weight: 600; }
button.primary:hover { background: var(--brick-deep); }
button.quiet { border-color: transparent; color: var(--ink-3); }
button.quiet:hover { color: var(--ink); background: transparent; }
button[hidden] { display: none; }

.log {
  list-style: none; padding: 0; margin: 0; max-height: 200px; overflow: auto; font-size: 13px;
  scrollbar-width: thin; scrollbar-color: var(--rule) transparent;
}
.log::-webkit-scrollbar { width: 6px; }
.log::-webkit-scrollbar-thumb { background: var(--rule); border-radius: 3px; }
.log li { color: var(--ink-3); padding: 5px 0; border-top: 1px dotted var(--rule); }
.log li:first-child { border-top: 0; padding-top: 0; }
.log li.match { color: var(--moss); font-weight: 500; }
.log li.miss { color: var(--ink-2); }

.tutorial { background: var(--paper-2); margin: 14px -22px 0; padding: 14px 22px 16px !important; }
.tutorial p { margin: 0 0 12px; font-size: 14.5px; line-height: 1.5; max-width: 42ch; }

.toast {
  position: absolute; left: 50%; bottom: 22px; transform: translateX(-50%);
  background: var(--paper); color: var(--ink); padding: 8px 14px; border-radius: 6px; font-size: 14px;
  pointer-events: none; box-shadow: 0 6px 16px rgba(0,0,0,.35);
  animation: toast-in 220ms cubic-bezier(.2,.9,.3,1.2);
}
@keyframes toast-in { from { opacity: 0; transform: translate(-50%, 8px); } }

.overlay { position: fixed; inset: 0; background: rgba(20, 12, 8, .6); display: flex; align-items: center; justify-content: center; backdrop-filter: blur(3px); }
.overlay[hidden] { display: none; }
.overlay-card {
  background: var(--paper); color: var(--ink); border-radius: 12px; padding: 28px 34px 26px; text-align: center; min-width: 300px;
  box-shadow: var(--shadow); animation: card-in 320ms cubic-bezier(.2,.9,.3,1.15);
}
@keyframes card-in { from { opacity: 0; transform: translateY(14px) scale(.97); } }
.overlay-kicker { margin: 0 0 4px; font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); }
.overlay-card h2 { font-family: var(--font-display); font-size: 34px; font-weight: 600; color: var(--brick); text-transform: none; letter-spacing: -0.01em; display: block; margin: 0 0 8px; }
.overlay-card p { margin: 0 0 18px; color: var(--ink-2); font-variant-numeric: tabular-nums; }

@media (max-width: 820px) {
  .layout { grid-template-columns: minmax(0, 1fr); gap: 18px; padding: 16px; }
  #board { min-width: 0; }
  .panel { padding: 18px 16px 14px; }
  .tutorial { margin-left: -16px; margin-right: -16px; padding-left: 16px !important; padding-right: 16px !important; }
}

input[type="number"] { width: 8.5em; -moz-appearance: textfield; }
input[type="number"]::-webkit-inner-spin-button, input[type="number"]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
input[type="text"], input[type="number"] {
  font: inherit; font-size: 13px; color: var(--ink); background: #fbf6ea;
  border: 1px solid #c9b995; border-radius: 6px; padding: 5px 9px; min-width: 0;
  caret-color: var(--brick);
}
input[type="text"]:hover, input[type="number"]:hover { border-color: var(--ink-3); }
input[type="text"]::placeholder, input[type="number"]::placeholder { color: var(--ink-3); }
.field input { flex: 1; }
.join-row { margin-top: 8px; }
.join-row input { width: 5.5em; text-transform: uppercase; letter-spacing: .14em; font-weight: 600; text-align: center; font-family: var(--font-display); font-size: 15px; }
.room-code { margin: 0; font-family: var(--font-display); font-size: 34px; font-weight: 600; letter-spacing: .18em; line-height: 1.1; color: var(--brick); }
#online-room .muted { margin: 2px 0 10px; }

.lobby { list-style: none; padding: 0; margin: 8px 0 12px; }
.lobby li { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 6px 0; border-top: 1px dotted var(--rule); font-size: 13.5px; }
.lobby li:first-child { border-top: 0; }
.lobby li button { padding: 3px 9px; font-size: 12px; }
.lobby-empty { color: var(--ink-3); font-size: 13px; }
.lobby-count { margin: 0; align-self: center; }
.check { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--ink-2); cursor: pointer; }
.check input { accent-color: var(--brick); margin: 0; }

.more { margin-top: 10px; }
.more summary { cursor: pointer; font-size: 12.5px; color: var(--ink-3); list-style: none; display: inline-flex; align-items: center; gap: 6px; }
.more summary::-webkit-details-marker { display: none; }
.more summary::before { content: ""; width: 0; height: 0; border-left: 4px solid transparent; border-right: 4px solid transparent; border-top: 5px solid var(--ink-3); transform: rotate(-90deg); transition: transform 150ms; }
.more[open] summary::before { transform: rotate(0); }
.more summary:hover { color: var(--ink); }
.more > :not(summary) { margin-top: 8px; }
.join-row { margin-top: 0; }

.account-blurb { margin: 0 0 10px; max-width: 40ch; }
.account-name { margin: 0; font-family: var(--font-display); font-size: 22px; font-weight: 600; }
.elo { font-family: var(--font-ui); font-size: 12px; font-weight: 600; color: var(--brick); letter-spacing: .04em; vertical-align: middle; margin-left: 6px; }
#account-record { margin: 2px 0 10px; }
.leaderboard { margin: 0; padding-left: 22px; font-size: 13.5px; }
.leaderboard li { padding: 3px 0; display: flex; justify-content: space-between; gap: 8px; }
.leaderboard li.me { font-weight: 600; }
.leaderboard .score { font-variant-numeric: tabular-nums; color: var(--ink-2); }
.leaderboard-empty { list-style: none; margin-left: -22px; color: var(--ink-3); font-size: 13px; }
.scores .elo { margin-left: 8px; }
.log li.elo-up { color: var(--moss); }

.link-help { margin: 0 0 8px; max-width: 42ch; }
#link-code { width: 9em; }
#link-username { width: 9em; }
.link-code-out { margin: 10px 0 0; font-size: 13px; color: var(--ink-2); }
.link-code-out strong { font-family: var(--font-display); font-size: 26px; letter-spacing: .16em; color: var(--brick); display: block; margin: 2px 0 4px; }

.passkeys { list-style: none; padding: 0; margin: 10px 0 0; font-size: 13px; }
.passkeys li { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 5px 0; border-top: 1px dotted var(--rule); color: var(--ink-2); }
.passkeys li button { padding: 2px 8px; font-size: 12px; }

/* account menu, hanging off the scorecard header */
.panel-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.panel-head h1 { white-space: nowrap; }
.account-anchor { position: relative; flex: none; margin-top: 2px; }
.account-button {
  display: inline-flex; align-items: center; gap: 8px; max-width: 120px;
  padding: 5px 10px 5px 5px; border-radius: 999px; border: 1px solid #c9b995; background: #fbf6ea;
  font-size: 13px; font-weight: 500; color: var(--ink); cursor: pointer;
}
.account-button:hover, .account-button[aria-expanded="true"] { border-color: var(--ink-3); background: var(--paper-2); }
.account-button-text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-variant-numeric: tabular-nums; }
.account-avatar {
  width: 22px; height: 22px; border-radius: 50%; flex: none;
  background: var(--brick); color: var(--paper); font-family: var(--font-display); font-weight: 700; font-size: 12px;
  display: inline-flex; align-items: center; justify-content: center; text-transform: uppercase;
}
.account-avatar:empty { background: transparent; border: 1.5px dashed var(--ink-3); }
.account-menu {
  position: absolute; right: 0; top: calc(100% + 8px); z-index: 20; width: 320px; max-width: calc(100vw - 32px);
  background: var(--paper); color: var(--ink); border: 1px solid var(--rule); border-radius: 10px; padding: 14px 16px 12px;
  box-shadow: 0 14px 36px rgba(0,0,0,.32), 0 2px 6px rgba(0,0,0,.18);
  transform-origin: top right;
  animation: menu-in 160ms cubic-bezier(.2,.9,.3,1.1);
}
.account-menu[hidden] { display: none; }
.account-menu::before {
  content: ""; position: absolute; top: -6px; right: 18px; width: 10px; height: 10px;
  background: var(--paper); border-left: 1px solid var(--rule); border-top: 1px solid var(--rule); transform: rotate(45deg);
}
@keyframes menu-in { from { opacity: 0; transform: translateY(-4px) scale(.98); } }
.account-menu .account-name { font-size: 20px; }
.account-menu > #leaderboard-box { border-top: 1px solid var(--rule); padding-top: 10px; margin-top: 12px; }
.menu-foot { margin-top: 10px; justify-content: flex-end; }
.account-menu .more[open] { margin-bottom: 4px; }
@media (max-width: 820px) {
  .account-menu { width: calc(100vw - 32px); right: -8px; }
}