:root {
  color-scheme: light;
  --ink: #19364b;
  --muted: #647b8e;
  --border: #d3e0e8;
  --soft: #edf4f8;
  --surface: #ffffff;
  --surface-raised: #f8fbfd;
  --accent: #286f9e;
  --accent-button: #286f9e;
  --accent-wash: #e6f1f7;
  --page: #f1f6f9;
  font-family: "Avenir Next", "Helvetica Neue", "Microsoft YaHei", "PingFang SC", sans-serif;
  color: var(--ink);
  background: var(--page);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }

body.has-touch-input,
body.has-touch-input * {
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}
body.has-touch-input input,
body.has-touch-input textarea,
body.has-touch-input [contenteditable="true"] {
  -webkit-user-select: text;
  user-select: text;
  -webkit-touch-callout: default;
}

body {
  position: relative;
  isolation: isolate;
  min-width: 320px;
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  background: var(--page);
}

body::before {
  position: fixed;
  z-index: 0;
  inset: -14%;
  background-image:
    url("character-watermark-CRmEGbt0.webp"),
    url("character-watermark-CRmEGbt0.webp"),
    url("character-watermark-CRmEGbt0.webp"),
    url("character-watermark-CRmEGbt0.webp"),
    url("character-watermark-CRmEGbt0.webp");
  background-position: 7% 5%, 77% 22%, 18% 50%, 82% 72%, 9% 95%;
  background-size: 140px 140px;
  background-repeat: no-repeat;
  content: "";
  opacity: .38;
  pointer-events: none;
  transform: rotate(-14deg) scale(1.05);
}

button { font: inherit; }

.asset-loader {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgb(237 245 255 / 97%);
}
.asset-loader[hidden] { display: none; }
.asset-loader-card {
  width: min(380px, 100%);
  padding: 28px 24px 24px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #ffffff;
  text-align: center;
  white-space: normal;
}
.asset-loader-character {
  display: block;
  width: min(224px, 100%);
  height: auto;
  aspect-ratio: 1;
  object-fit: contain;
  margin: -6px auto 8px;
  animation: loader-fish-bob 2.4s ease-in-out infinite;
}
@keyframes loader-fish-bob { 50% { transform: translateY(-4px); } }
.asset-loader-card h2 { margin: 0; font-size: 1.12rem; }
.asset-loading-message { min-height: 2.8em; margin: 10px 0 18px; color: var(--muted); font-size: .84rem; line-height: 1.5; }
.asset-progress-track { height: 7px; overflow: hidden; border-radius: 999px; background: #dceafb; }
.asset-progress { display: block; width: 0; height: 100%; border-radius: inherit; background: var(--accent); transition: width .18s ease; }
.asset-loading-count { margin: 8px 0 0; color: var(--accent); font-variant-numeric: tabular-nums; font-size: .76rem; font-weight: 650; }
.asset-retry { margin-top: 16px; }
.asset-retry[hidden] { display: none; }
.creator-links { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px 16px; color: #526477; font-size: .68rem; line-height: 1.45; white-space: normal; }
.creator-links a { color: #315f89; text-decoration-color: #a9c2dc; text-underline-offset: 3px; }
.creator-links a:hover, .creator-links a:focus-visible { color: #173d62; text-decoration-thickness: 2px; }
.loader-creator-links { margin-top: 15px; }
@media (prefers-reduced-motion: reduce) {
  .asset-loader-character { animation: none; }
  .asset-progress { transition: none; }
}

.app-shell {
  position: relative;
  z-index: 1;
  display: grid;
  width: min(1320px, calc(100% - 40px));
  min-height: 100vh;
  min-height: 100dvh;
  grid-template-columns: 172px minmax(0, 1fr);
  grid-template-rows: 58px minmax(0, 1fr) auto;
  column-gap: 16px;
  row-gap: 12px;
  margin: 0 auto;
  padding: 14px 0;
}

.topbar {
  display: flex;
  min-height: 52px;
  align-items: center;
  gap: 12px;
  grid-column: 1 / -1;
  grid-row: 1;
}
.topbar-message {
  display: flex;
  width: min(60%, 640px);
  min-width: 0;
  align-items: center;
  justify-content: flex-end;
  gap: 3px;
  margin: 0 0 0 auto;
  color: var(--muted);
  font-size: .76rem;
  font-weight: 600;
  letter-spacing: .01em;
}
.topbar-message-text { min-width: 0; overflow: hidden; text-align: right; white-space: nowrap; }
.topbar-message-caret { width: 1px; height: 1em; flex: 0 0 auto; background: var(--accent); animation: message-caret-blink 1s steps(2, start) infinite; }
@keyframes message-caret-blink { to { visibility: hidden; } }
.topbar-message .sr-only { position: absolute; }

.utility-sidebar {
  position: relative;
  display: flex;
  min-height: 0;
  flex-direction: column;
  grid-column: 1;
  grid-row: 2;
  gap: 12px;
  align-self: stretch;
  padding: 12px 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.utility-actions, .utility-community { display: grid; gap: 4px; }
.utility-action {
  display: grid;
  width: 100%;
  min-height: 44px;
  grid-template-columns: 24px minmax(0, 1fr);
  align-items: center;
  gap: 7px;
  padding: 5px 9px;
  color: var(--ink);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
  text-align: left;
  text-decoration: none;
  transition: background-color .16s ease, border-color .16s ease, color .16s ease;
}
.utility-action:hover:not(:disabled), .utility-action:focus-visible { color: var(--accent); background: var(--soft); border-color: var(--border); }
.utility-action:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.utility-action:disabled { cursor: not-allowed; opacity: .48; }
.utility-icon { display: grid; width: 24px; height: 30px; place-items: center; color: var(--accent); font-size: .98rem; line-height: 1; }
.utility-label { overflow: hidden; font-size: .76rem; font-weight: 650; text-overflow: ellipsis; white-space: nowrap; }
.utility-copy { display: grid; min-width: 0; gap: 2px; }
.utility-copy small { color: var(--muted); font-size: .58rem; line-height: 1.3; white-space: nowrap; }
.utility-divider { height: 1px; flex: 0 0 auto; background: var(--border); }
.utility-community { margin-top: auto; }
.utility-community .utility-icon { color: var(--accent); }
.utility-feedback { margin: 0; padding: 7px 8px; color: var(--accent); background: var(--accent-wash); border-radius: 7px; font-size: .67rem; line-height: 1.4; }
.utility-feedback[hidden] { display: none; }

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  place-items: center;
  color: var(--accent);
  background: var(--accent-wash);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.brand-icon { width: 100%; height: 100%; object-fit: contain; }
.brand-copy h1, .section-heading h2, .card-heading h2 { margin: 0; }
.brand-copy h1 { font-size: clamp(1.3rem, 2.4vw, 1.65rem); letter-spacing: -.035em; line-height: 1.08; }
.version-tag { display: inline-block; margin-left: 4px; padding: 3px 5px; color: var(--muted); background: var(--soft); border: 1px solid var(--border); border-radius: 4px; font: 650 .48em/1 "SF Mono", Consolas, monospace; letter-spacing: .02em; vertical-align: .24em; }

.game-layout {
  display: grid;
  min-height: 0;
  grid-template-columns: minmax(0, 1fr) 248px;
  align-items: stretch;
  align-self: stretch;
  gap: 14px;
  grid-column: 2;
  grid-row: 2;
}

.play-column, .next-card, .collection-card, .score-tile { border: 1px solid var(--border); }

.play-column {
  display: flex;
  min-width: 0;
  min-height: 0;
  flex-direction: column;
  padding: 10px 12px 9px;
  background: var(--surface);
  border-radius: 12px;
}

.section-heading, .card-heading { display: flex; align-items: center; justify-content: space-between; }
.section-heading { flex: 0 0 auto; padding: 0 1px 8px; }
.section-heading h2 { font-size: 1.08rem; letter-spacing: -.025em; }

.board-frame {
  position: relative;
  width: auto;
  height: min(620px, calc(100dvh - 238px));
  min-height: 300px;
  max-width: 100%;
  flex: 0 0 auto;
  aspect-ratio: 420 / 620;
  align-self: center;
  margin: auto;
  overflow: hidden;
  background: #f3f8ff;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.board-frame canvas { display: block; width: 100%; height: 100%; touch-action: none; outline: none; }
.board-frame canvas:focus-visible { box-shadow: inset 0 0 0 2px var(--accent); }

.game-toast {
  position: absolute;
  top: 44%;
  left: 50%;
  min-width: 130px;
  padding: 9px 15px;
  color: #ffffff;
  background: #244c73;
  border-radius: 6px;
  font-size: .8rem;
  font-weight: 700;
  text-align: center;
  white-space: pre-line;
  max-width: calc(100% - 24px);
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.play-footer { display: flex; min-height: 42px; flex: 0 0 auto; align-items: center; justify-content: center; padding: 8px 1px 0; }
.play-footer p { max-width: 100%; margin: 0; color: var(--muted); font-size: .68rem; line-height: 1.4; text-align: center; }
.touch-instructions { display: none; }
.has-touch-input .desktop-instructions { display: none; }
.has-touch-input .touch-instructions { display: inline; }
.has-touch-input .play-footer { min-height: 48px; padding-top: 9px; }
.has-touch-input .play-footer p { line-height: 1.5; }
.primary-button, .restart-button, .leaderboard-button {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 12px;
  color: #ffffff;
  background: var(--accent-button);
  border: 1px solid var(--accent-button);
  border-radius: 6px;
  cursor: pointer;
  font-size: .74rem;
  font-weight: 650;
  transition: background-color .16s ease, color .16s ease, transform .16s ease;
  white-space: nowrap;
}

.primary-button span { font-size: 1rem; }
.primary-button:hover, .restart-button:hover, .leaderboard-button:hover { background: #1f578f; border-color: #1f578f; }
.primary-button:active, .restart-button:active, .leaderboard-button:active { transform: scale(.97); }
button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.utility-sidebar .utility-action {
  width: 100%;
  min-height: 44px;
  padding: 5px 7px;
  color: var(--ink);
  background: transparent;
  border-color: transparent;
  font-size: .76rem;
  font-weight: 650;
  text-align: left;
  white-space: normal;
}
.utility-sidebar .utility-action:hover:not(:disabled), .utility-sidebar .utility-action:focus-visible { color: var(--accent); background: var(--soft); border-color: var(--border); }
.utility-sidebar .restart-button { color: #ffffff; background: var(--accent-button); border-color: var(--accent-button); font-weight: 700; box-shadow: 0 2px 8px rgb(40 111 158 / 18%); }
.utility-sidebar .restart-button .utility-icon { color: currentColor; }
.utility-sidebar .restart-button:hover:not(:disabled) { color: #ffffff; filter: brightness(.88); }
.utility-sidebar .restart-button:focus-visible { color: #ffffff; }

.info-column { display: grid; min-height: 0; grid-template-rows: auto auto auto minmax(0, 1fr); align-content: stretch; gap: 8px; }
.play-column, .info-column { align-self: stretch; }
.score-strip { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }

.score-tile { min-height: 58px; padding: 8px 10px; background: var(--surface-raised); border-radius: 8px; }
.score-tile span, .result-stats span { display: block; color: var(--muted); font-size: .61rem; font-weight: 600; }
.score-tile strong { display: block; margin-top: 3px; color: var(--ink); font: 500 1.16rem/1.05 "SF Mono", Consolas, monospace; }
.score-current { background: var(--accent-wash); }
.score-current strong { color: var(--accent); }

.items-card { min-width: 0; padding: 9px 10px; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; }
.items-heading { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.items-heading h2 { margin: 0; font-size: .82rem; }
.items-progress { color: var(--muted); font-size: .62rem; font-variant-numeric: tabular-nums; }
.utility-sidebar .hammer-button.is-selected { color: var(--accent); background: var(--accent-wash); border-color: var(--accent); }
.items-inventory { display: flex; align-items: center; justify-content: space-between; margin-top: 7px; color: var(--muted); font-size: .65rem; }
.items-inventory strong { color: var(--ink); font: 600 .7rem "SF Mono", Consolas, monospace; }
.item-status { min-height: 2.4em; margin: 5px 0 0; color: var(--muted); font-size: .59rem; line-height: 1.4; }

.next-card, .collection-card { min-width: 0; padding: 11px; background: var(--surface); border-radius: 10px; }
.card-heading h2 { font-size: .94rem; letter-spacing: -.02em; }
.next-avatar-wrap { position: relative; display: grid; width: 104px; height: 74px; margin: 2px auto 0; place-items: center; }
.next-avatar-wrap img { position: relative; z-index: 1; width: 100%; height: 100%; max-width: 76px; max-height: 76px; object-fit: contain; filter: drop-shadow(0 2px 2px rgb(25 70 115 / 8%)); }

.rank-stamp {
  position: absolute;
  z-index: 2;
  right: 7px;
  bottom: 1px;
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  color: #ffffff;
  background: var(--accent-button);
  border: 2px solid var(--surface);
  border-radius: 50%;
  font: 500 .53rem "SF Mono", Consolas, monospace;
}

.next-copy { display: flex; align-items: baseline; justify-content: center; }
.next-copy strong { font-size: .84rem; }

.collection-card { display: flex; min-height: 0; flex-direction: column; padding-bottom: 8px; }
.collection-heading { flex: 0 0 auto; margin-bottom: 5px; }
.collection-count { padding: 3px 6px; color: #526c88; background: var(--soft); border: 1px solid var(--border); border-radius: 5px; font: 500 .56rem "SF Mono", Consolas, monospace; }
.rarity-legend { display: flex; flex: 0 0 auto; flex-wrap: wrap; gap: 4px; margin: -1px 0 5px; }
.rarity-legend span { padding: 2px 5px; color: #526477; border-radius: 4px; font-size: .5rem; line-height: 1.35; }
.rarity-legend .tier-bronze { background: #fff4e4; }
.rarity-legend .tier-silver { background: #eff3f6; }
.rarity-legend .tier-gold { background: #fff8d9; }
.rarity-legend .tier-supreme { background: #eaf3ff; }
.collection-list { display: grid; min-height: 0; flex: 1 1 auto; gap: 1px; margin: 0; padding: 0; overflow-y: auto; list-style: none; scrollbar-color: #c6d9ee transparent; scrollbar-width: thin; }
.collection-item { display: grid; min-height: 29px; grid-template-columns: 20px 29px minmax(0, 1fr) auto; align-items: center; gap: 5px; padding: 1px 5px 1px 3px; color: #5b7690; border-radius: 5px; transition: background-color .16s ease, color .16s ease; }
.collection-item { background: var(--rarity-bg, #ffffff); }
.collection-item.tier-bronze { --rarity-bg: #fff4e4; }
.collection-item.tier-silver { --rarity-bg: #eff3f6; }
.collection-item.tier-gold { --rarity-bg: #fff8d9; }
.collection-item.tier-supreme { --rarity-bg: #eaf3ff; }
.collection-item.is-current { color: #1e5489; background: var(--rarity-bg); outline: 1px solid rgb(45 115 191 / 38%); }
.collection-item.is-unlocked .collection-rank { color: var(--accent); }
.collection-rank { color: #5b7690; font: 500 .57rem "SF Mono", Consolas, monospace; }
.collection-item img { width: 27px; height: 27px; object-fit: contain; }
.collection-item:not(.is-unlocked) img { opacity: .48; filter: grayscale(.7); }
.collection-name { overflow: hidden; font-size: .7rem; font-weight: 650; text-overflow: ellipsis; white-space: nowrap; }
.collection-state { color: #526c88; font-size: .55rem; }
.collection-item.is-current .collection-state { color: #376d9e; }

.page-footer { display: flex; flex-wrap: nowrap; align-items: center; justify-content: center; gap: 8px; grid-column: 1 / -1; grid-row: 3; padding: 0 3px; color: var(--muted); font-size: .68rem; text-align: center; white-space: nowrap; }
.footer-credit { display: flex; flex-wrap: nowrap; align-items: center; justify-content: center; gap: 6px; margin: 0; }
.footer-author-link { color: inherit; text-decoration-color: #a9c2dc; text-underline-offset: 3px; }
.footer-author-link:hover, .footer-author-link:focus-visible { color: var(--accent); }
.author-handle { color: inherit; text-decoration-color: #a9c2dc; text-underline-offset: 3px; }
.author-handle:hover, .author-handle:focus-visible { color: var(--accent); }
.footer-links { display: flex; flex-wrap: wrap; gap: 12px; }
.footer-links a { color: inherit; text-decoration-color: #a9c2dc; text-underline-offset: 3px; }
.footer-links a:hover { color: var(--accent); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; clip-path: inset(50%); border: 0; }

.result-dialog { width: min(360px, calc(100% - 32px)); padding: 25px 23px 21px; color: var(--ink); background: #ffffff; border: 1px solid var(--border); border-radius: 10px; text-align: center; white-space: normal; }
.result-dialog::backdrop { background: rgb(24 52 81 / 28%); }
.result-dialog h2 { margin: 6px 0 8px; font-size: 1.35rem; }
.result-dialog > p { margin: 0 auto 16px; color: var(--muted); font-size: .8rem; line-height: 1.6; }
.result-stats { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; padding: 9px 11px; background: var(--soft); border-radius: 6px; text-align: left; }
.result-stats strong { font: 500 1.1rem "SF Mono", Consolas, monospace; }
.result-dialog .primary-button { width: 100%; }
.result-dialog .primary-button + .primary-button { margin-top: 8px; }
.result-dialog .screenshot-button { display: flex; align-items: center; justify-content: center; gap: 8px; }
.screenshot-button-icon { display: inline-flex; align-items: center; justify-content: center; font-size: .88em; }
.result-dialog .screenshot-status { margin: 8px auto 10px; color: var(--muted); font-size: .7rem; }
.result-dialog .screenshot-status[hidden] { display: none; }
.result-avatar { display: block; width: 104px; height: 104px; margin: 4px auto 9px; object-fit: contain; filter: drop-shadow(0 3px 3px rgb(25 70 115 / 9%)); }
.result-avatar[hidden] { display: none; }
.result-leaderboard-status { margin: -6px 0 14px !important; color: var(--accent) !important; font-weight: 650; }
.result-leaderboard-status[hidden] { display: none; }
.run-recovery-dialog { width: min(390px, calc(100% - 32px)); }
.run-recovery-dialog .run-recovery-kicker { margin-bottom: 8px; color: var(--accent); font-size: .68rem; font-weight: 700; letter-spacing: .04em; }
.run-recovery-dialog #run-recovery-copy { margin-bottom: 12px; }
.run-recovery-summary { padding: 10px 12px; color: var(--ink) !important; background: var(--soft); border: 1px solid var(--border); border-radius: 6px; font-size: .76rem !important; font-weight: 650; font-variant-numeric: tabular-nums; }
.run-recovery-dialog .primary-button,
.run-recovery-secondary-button { width: 100%; min-height: 40px; }
.run-recovery-secondary-button { display: inline-flex; align-items: center; justify-content: center; margin-top: 8px; padding: 0 12px; color: var(--ink); background: var(--soft); border: 1px solid var(--border); border-radius: 6px; cursor: pointer; font-size: .74rem; font-weight: 650; transition: background-color .16s ease, transform .16s ease; }
.run-recovery-secondary-button:hover { background: var(--accent-wash); }
.run-recovery-secondary-button:active { transform: scale(.97); }
.dialog-creator-links { margin-top: 16px; padding-top: 13px; border-top: 1px solid #e3ebf2; }

.achievement-dialog {
  width: min(620px, calc(100% - 28px));
  max-height: min(720px, calc(100dvh - 28px));
  overflow: auto;
  padding: 0;
  color: #263442;
  background: #f8fafc;
  border: 1px solid #dce5ed;
  border-radius: 14px;
  box-shadow: 0 28px 90px rgb(17 38 59 / 28%);
  white-space: normal;
}
.achievement-dialog::backdrop { background: rgb(24 39 53 / 43%); backdrop-filter: blur(3px); }
.achievement-layout { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(190px, .85fr); align-items: center; gap: 18px; padding: 27px; }
.achievement-copy-column { min-width: 0; }
.achievement-kicker { display: flex; align-items: center; grid-column: 1 / -1; gap: 8px; margin: 0; color: #657484; font: 600 .67rem/1.4 "SF Mono", Consolas, monospace; letter-spacing: .035em; }
.achievement-pulse { width: 8px; height: 8px; flex: 0 0 auto; background: #64a386; border-radius: 50%; box-shadow: 0 0 0 4px rgb(100 163 134 / 13%); }
.achievement-tier { display: inline-flex; margin: 0 0 9px; padding: 5px 9px; color: #705b13; background: #fff5cd; border: 1px solid #eee0a5; border-radius: 999px; font-size: .67rem; font-weight: 700; }
.achievement-title, .achievement-dialog h2 { margin: 0; color: #202d39; font-size: clamp(1.25rem, 4vw, 1.65rem); font-weight: 650; letter-spacing: -.035em; line-height: 1.35; overflow-wrap: anywhere; }
.achievement-copy { margin: 11px 0 20px; color: #617080; font-size: .82rem; line-height: 1.7; }
.achievement-continue { min-height: 40px; padding: 0 16px; }
.achievement-art { margin: 0; padding: 12px; background: #eef3f6; border: 1px solid #e2e9ee; border-radius: 12px; text-align: center; }
.achievement-art img { display: block; width: min(100%, 220px); aspect-ratio: 1; margin: 0 auto; object-fit: contain; }
.achievement-art figcaption { margin-top: 5px; color: #71808e; font-size: .63rem; }
.achievement-creator-links { min-height: 47px; padding: 11px 18px 14px; background: #ffffff; border-top: 1px solid #e4ebf0; }

.leaderboard-dialog {
  width: min(520px, calc(100% - 28px));
  max-height: min(740px, calc(100dvh - 28px));
  overflow: auto;
  padding: 20px;
  color: var(--ink);
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 10px;
  white-space: normal;
}
.leaderboard-main-dialog { overflow: hidden; padding: 0; }
.leaderboard-main-dialog[open] { display: flex; flex-direction: column; }
.leaderboard-main-dialog .leaderboard-header { flex: 0 0 auto; padding: 20px 20px 12px; background: var(--surface); }
.leaderboard-scroll-content { min-height: 0; flex: 1 1 auto; overflow-y: auto; padding: 0 20px 20px; overscroll-behavior: contain; scrollbar-gutter: stable; }
.leaderboard-dialog::backdrop { background: rgb(24 52 81 / 38%); }
.rules-dialog { width: min(560px, calc(100% - 28px)); }
.rules-content { display: grid; gap: 15px; margin-top: 15px; }
.rules-content h3 { margin: 0 0 6px; font-size: .84rem; }
.rules-content ul { display: grid; gap: 5px; margin: 0; padding-left: 19px; color: var(--muted); font-size: .75rem; line-height: 1.55; }
.rules-content kbd { padding: 1px 4px; color: var(--ink); background: var(--soft); border: 1px solid var(--border); border-radius: 4px; font: 600 .68rem "SF Mono", Consolas, monospace; }
.leaderboard-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.leaderboard-kicker { margin: 0 0 3px; color: var(--muted); font-size: .65rem; }
.leaderboard-header h2 { margin: 0; font-size: 1.25rem; letter-spacing: -.025em; }
.leaderboard-close { width: 32px; height: 32px; padding: 0; color: var(--muted); background: #ffffff; border: 1px solid var(--border); border-radius: 6px; cursor: pointer; font-size: 1.35rem; line-height: 1; }
.leaderboard-close:hover { color: var(--ink); background: var(--soft); }
.leaderboard-player { margin-top: 12px; padding: 10px; background: var(--soft); border: 1px solid var(--border); border-radius: 7px; }
.leaderboard-profile-summary { display: flex; min-width: 0; align-items: center; gap: 9px; }
.leaderboard-avatar { width: 40px; height: 40px; flex: 0 0 auto; object-fit: contain; background: #ffffff; border: 1px solid var(--border); border-radius: 6px; }
.leaderboard-profile-copy { display: grid; min-width: 0; flex: 1; gap: 2px; }
.leaderboard-profile-copy span { color: var(--muted); font-size: .62rem; }
.leaderboard-profile-copy strong { overflow: hidden; font-size: .78rem; text-overflow: ellipsis; white-space: nowrap; }
.text-button { padding: 5px 8px; color: var(--accent); background: #ffffff; border: 1px solid var(--border); border-radius: 5px; cursor: pointer; font: inherit; font-size: .68rem; font-weight: 650; }
.text-button:hover { background: var(--accent-wash); }
.leaderboard-profile-form { display: grid; gap: 6px; margin-top: 12px; }
.leaderboard-profile-form[hidden] { display: none; }
.leaderboard-profile-form label { color: var(--muted); font-size: .65rem; font-weight: 650; }
.leaderboard-profile-form input, .leaderboard-profile-form select { width: 100%; min-height: 36px; padding: 6px 8px; color: var(--ink); background: #ffffff; border: 1px solid var(--border); border-radius: 5px; font: inherit; font-size: .76rem; }
.leaderboard-profile-form input:focus, .leaderboard-profile-form select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.leaderboard-avatar-picker { display: flex; align-items: center; gap: 9px; }
.leaderboard-avatar-picker select { flex: 1; }
.leaderboard-profile-actions { display: flex; align-items: center; gap: 8px; margin-top: 5px; }
.leaderboard-profile-actions .primary-button { min-height: 34px; }
.leaderboard-note { margin: 4px 0 0; color: var(--muted); font-size: .63rem; line-height: 1.45; }
.leaderboard-status { min-height: 1.2em; margin: 12px 0 6px; color: var(--muted); font-size: .68rem; }
.leaderboard-list { display: grid; gap: 4px; margin: 0; padding: 0; list-style: none; }
.leaderboard-row { display: grid; min-height: 44px; grid-template-columns: 28px 38px minmax(0, 1fr) auto; align-items: center; gap: 8px; padding: 4px 8px; background: #ffffff; border: 1px solid #e4edf7; border-radius: 6px; }
.leaderboard-row.is-local { background: var(--accent-wash); border-color: #b6d5f5; }
.leaderboard-rank { color: var(--muted); font: 600 .7rem "SF Mono", Consolas, monospace; text-align: center; }
.leaderboard-row:nth-child(-n + 3) .leaderboard-rank { color: var(--accent); }
.leaderboard-row img { width: 36px; height: 36px; object-fit: contain; }
.leaderboard-name { overflow: hidden; font-size: .74rem; font-weight: 650; text-overflow: ellipsis; white-space: nowrap; }
.leaderboard-you { margin-left: 5px; color: var(--accent); font-size: .58rem; font-weight: 600; }
.leaderboard-score { color: var(--ink); font: 600 .72rem "SF Mono", Consolas, monospace; font-variant-numeric: tabular-nums; }
.leaderboard-empty { padding: 16px 8px; color: var(--muted); font-size: .72rem; text-align: center; }
.leaderboard-footer { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 10px; color: var(--muted); font-size: .6rem; }
.profile-setup-dialog h2 { margin: 0; font-size: 1.18rem; }
.profile-setup-copy { margin: 8px 0 0; color: var(--muted); font-size: .72rem; line-height: 1.55; }
.profile-setup-submit { width: 100%; margin-top: 10px; }

@media (max-width: 900px) {
  .topbar-message { display: none; }
  .app-shell {
    width: min(800px, calc(100% - 28px));
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto auto minmax(0, 1fr) auto;
    gap: 8px;
    padding: 10px 0 12px;
  }
  .topbar { grid-column: 1; grid-row: 1; min-height: 48px; }
  .utility-sidebar {
    position: sticky;
    z-index: 30;
    top: 8px;
    display: flex;
    min-height: 0;
    flex-direction: row;
    grid-column: 1;
    grid-row: 2;
    align-items: center;
    gap: 4px;
    padding: 5px 7px;
    background: var(--surface);
    box-shadow: 0 4px 14px rgb(28 63 88 / 8%);
  }
  .utility-actions, .utility-community { display: flex; min-width: 0; align-items: center; gap: 2px; }
  .utility-actions { flex: 1 1 auto; }
  .utility-community { flex: 0 0 auto; margin: 0; }
  .utility-divider { width: 1px; height: 28px; margin: 0 2px; }
  .utility-sidebar .utility-action { display: flex; width: auto; min-width: 0; min-height: 40px; flex: 1 1 0; grid-template-columns: none; justify-content: center; padding: 4px; }
  .utility-sidebar .restart-button { flex: 0 0 40px; }
  .utility-sidebar .utility-community .utility-action { flex: 0 0 38px; }
  .utility-icon { width: 32px; height: 32px; flex: 0 0 auto; font-size: 1rem; }
  .utility-label, .utility-copy small { display: none; }
  .utility-copy { display: none; }
  .utility-feedback { position: absolute; top: calc(100% + 5px); right: 0; z-index: 2; box-shadow: 0 5px 16px rgb(28 63 88 / 12%); }
  .game-layout { grid-column: 1; grid-row: 3; }
  .page-footer { grid-column: 1; grid-row: 4; }
}

@media (max-width: 780px) {
  .app-shell { width: min(610px, calc(100% - 30px)); }
  body::before { background-size: 120px 120px; }
  .topbar { flex-wrap: nowrap; margin-bottom: 0; }
  .game-layout { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .play-column { padding: 12px 12px 9px; }
  .board-frame { width: min(100%, 460px); height: auto; min-height: 0; margin: 0 auto; }
  .info-column { grid-template-columns: 1fr 1fr; grid-template-rows: auto auto auto; gap: 8px; }
  .score-strip { grid-column: 1 / -1; grid-row: 1; }
  .items-card { grid-column: 1 / -1; grid-row: 2; }
  .next-card { min-height: 160px; }
  .next-card { grid-column: 1; grid-row: 3; }
  .collection-card { grid-column: 2; grid-row: 3; min-height: 230px; }
  .achievement-layout { grid-template-columns: minmax(0, 1fr) minmax(150px, .7fr); gap: 12px; padding: 22px; }
  .achievement-kicker { grid-row: 1; margin: 0; font-size: .58rem; }
  .achievement-art { padding: 8px; }
  .achievement-art img { width: min(100%, 170px); }
  .achievement-art { grid-column: 2; grid-row: 2; }
  .achievement-copy-column { grid-column: 1; grid-row: 2; }
}

@media (max-width: 480px) {
  .app-shell { width: calc(100% - 20px); padding-top: 11px; }
  .topbar { gap: 9px; margin-bottom: 0; }
  .utility-sidebar { gap: 3px; padding: 4px; }
  .utility-sidebar .utility-action { padding: 1px; }
  .utility-sidebar .restart-button { flex-basis: 32px; }
  .utility-sidebar .utility-community .utility-action { flex-basis: 34px; }
  .utility-icon { width: 24px; height: 24px; font-size: .84rem; }
  .utility-divider { margin-inline: 1px; }
  .brand-mark { width: 40px; height: 40px; }
  .brand-icon { width: 100%; height: 100%; }
  .brand-copy h1 { font-size: 1.25rem; }
  .section-heading h2 { font-size: .97rem; }
  .play-column { padding: 10px 9px 8px; }
  .board-frame { border-radius: 6px; }
  .play-footer { padding-top: 8px; }
  .play-footer p { font-size: .59rem; }
  .primary-button { min-height: 34px; padding-inline: 8px; font-size: .64rem; }
  .info-column { gap: 7px; }
  .score-tile { min-height: 53px; padding: 7px 8px; }
  .score-tile strong { font-size: 1.02rem; }
  .items-card { padding: 8px; }
  .item-status { font-size: .56rem; }
  .next-card, .collection-card { padding: 9px; border-radius: 7px; }
  .next-card { min-height: 153px; }
  .next-avatar-wrap { width: 88px; height: 70px; }
  .next-avatar-wrap img { max-width: 70px; max-height: 70px; }
  .collection-card { min-height: 220px; }
  .collection-item { min-height: 27px; grid-template-columns: 17px 24px minmax(0, 1fr); gap: 3px; padding-inline: 2px; }
  .collection-item img { width: 23px; height: 23px; }
  .collection-name { font-size: .61rem; }
  .collection-state { display: none; }
  .page-footer { gap: 5px; font-size: .55rem; }
  .footer-credit { gap: 4px; }
  .footer-links { gap: 10px; }
  .achievement-layout { grid-template-columns: 1fr; gap: 13px; padding: 19px; }
  .achievement-art { width: min(100%, 235px); margin: 0 auto; grid-column: 1; grid-row: 2; }
  .achievement-art img { width: 100%; }
  .achievement-copy-column { grid-column: 1; grid-row: 3; }
  .achievement-copy { margin-bottom: 15px; }
  .achievement-continue { width: 100%; }
  .achievement-creator-links { gap: 8px 12px; padding: 11px 12px 13px; font-size: .62rem; }
  .has-touch-input .play-footer { min-height: 48px; padding-top: 9px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --ink: #e2edf5;
  --muted: #a0b2c0;
  --border: #334a5b;
  --soft: #1b2b38;
  --surface: #14232f;
  --surface-raised: #192a37;
  --accent: #8bc0e5;
  --accent-button: #285c82;
  --accent-wash: #203a4e;
  --page: #0d1720;
}

:root[data-theme="dark"] .asset-loader { background: rgb(13 23 32 / 96%); }
:root[data-theme="dark"] body::before { opacity: .4; }
:root[data-theme="dark"] .asset-loader-card,
:root[data-theme="dark"] .result-dialog,
:root[data-theme="dark"] .leaderboard-dialog { color: var(--ink); background: var(--surface); border-color: var(--border); }
:root[data-theme="dark"] .asset-progress-track { background: #263b4c; }
:root[data-theme="dark"] .creator-links { color: var(--muted); }
:root[data-theme="dark"] .creator-links a,
:root[data-theme="dark"] .author-handle,
:root[data-theme="dark"] .footer-author-link,
:root[data-theme="dark"] .footer-links a { color: #a5cce8; text-decoration-color: #617d93; }
:root[data-theme="dark"] .play-column,
:root[data-theme="dark"] .next-card,
:root[data-theme="dark"] .collection-card,
:root[data-theme="dark"] .items-card,
:root[data-theme="dark"] .utility-sidebar { background: var(--surface); border-color: var(--border); }
:root[data-theme="dark"] .utility-sidebar { box-shadow: none; }
:root[data-theme="dark"] .score-tile { border-color: var(--border); }
:root[data-theme="dark"] .collection-item { color: #b0c0cc; }
:root[data-theme="dark"] .collection-item.tier-bronze { --rarity-bg: #352c22; }
:root[data-theme="dark"] .collection-item.tier-silver { --rarity-bg: #28333b; }
:root[data-theme="dark"] .collection-item.tier-gold { --rarity-bg: #39351f; }
:root[data-theme="dark"] .collection-item.tier-supreme { --rarity-bg: #213549; }
:root[data-theme="dark"] .collection-item.is-current { color: #d4e8f5; outline-color: #668ba7; }
:root[data-theme="dark"] .collection-rank,
:root[data-theme="dark"] .collection-state,
:root[data-theme="dark"] .collection-item.is-current .collection-state { color: #a0b2c0; }
:root[data-theme="dark"] .rarity-legend .tier-bronze { color: #efcea0; background: #352c22; }
:root[data-theme="dark"] .rarity-legend .tier-silver { color: #c5d1da; background: #28333b; }
:root[data-theme="dark"] .rarity-legend .tier-gold { color: #e8d889; background: #39351f; }
:root[data-theme="dark"] .rarity-legend .tier-supreme { color: #b7d6ef; background: #213549; }
:root[data-theme="dark"] .game-toast { color: #f3f8fb; background: #27465d; }
:root[data-theme="dark"] .result-stats,
:root[data-theme="dark"] .run-recovery-summary,
:root[data-theme="dark"] .leaderboard-player { background: var(--soft); border-color: var(--border); }
:root[data-theme="dark"] .leaderboard-avatar,
:root[data-theme="dark"] .leaderboard-row,
:root[data-theme="dark"] .leaderboard-profile-form input,
:root[data-theme="dark"] .leaderboard-profile-form select,
:root[data-theme="dark"] .text-button,
:root[data-theme="dark"] .leaderboard-close { color: var(--ink); background: var(--surface-raised); border-color: var(--border); }
:root[data-theme="dark"] .leaderboard-row.is-local { background: #203b50; border-color: #446981; }
:root[data-theme="dark"] .leaderboard-row:nth-child(-n + 3) .leaderboard-rank,
:root[data-theme="dark"] .leaderboard-you { color: #a8d2f0; }
:root[data-theme="dark"] .leaderboard-empty,
:root[data-theme="dark"] .leaderboard-footer { color: var(--muted); }
:root[data-theme="dark"] .dialog-creator-links,
:root[data-theme="dark"] .achievement-creator-links { border-color: var(--border); }
:root[data-theme="dark"] .achievement-dialog { color: var(--ink); background: #152430; border-color: #395265; }
:root[data-theme="dark"] .achievement-dialog h2 { color: #edf5fa; }
:root[data-theme="dark"] .achievement-kicker,
:root[data-theme="dark"] .achievement-copy,
:root[data-theme="dark"] .achievement-art figcaption { color: #a5b7c5; }
:root[data-theme="dark"] .achievement-tier { color: #f0dc8d; background: #39351f; border-color: #625a33; }
:root[data-theme="dark"] .achievement-art { background: #1c2d3a; border-color: #32495a; }
:root[data-theme="dark"] .achievement-creator-links { background: #14232f; }
:root[data-theme="dark"] .utility-feedback { color: #c7e4f7; background: #203a4e; }
:root[data-theme="dark"] .utility-divider { background: var(--border); }

@media (prefers-reduced-transparency: reduce) {
  .utility-feedback { box-shadow: none; }
}