:root {
  color-scheme: dark;
  font-family: system-ui, sans-serif;
  --color-background: #0b0e1a;
  --color-panel: #161c2b;
  --color-panel-hover: #20283b;
  --color-border: #303a50;
  --color-text: #e6eaf2;
  --color-text-muted: #a3adc4;
  --color-accent: #8b5cf6;
  --color-accent-soft: #a78bfa;
  --color-button-primary: #7c3aed;
  --color-button-primary-hover: #6d28d9;
  --color-button-primary-text: #ffffff;
  --color-button-secondary: #20283b;
  --color-button-secondary-hover: #29344c;
  --color-button-secondary-text: #e6eaf2;
  color: var(--color-text);
  background: var(--color-background);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: radial-gradient(ellipse 65rem 38rem at 50% -13rem, #322058, transparent);
  min-height: 100vh;
}
button { font: inherit; cursor: pointer; }
button:disabled { cursor: default; }
:focus-visible { outline: 2px solid var(--color-accent-soft); outline-offset: 3px; }
h1, h2, h3, p, ol, dl, dd { margin: 0; }

.shell { width: min(100% - 36px, 1050px); margin: 0 auto; padding-bottom: 36px; }
.masthead { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 24px 0 20px; border-bottom: 1px solid var(--color-border); }
.brand { display: grid; gap: 5px; min-width: 0; }
.brand-logo { display: block; width: 184px; max-width: 100%; height: auto; }
.brand p { color: var(--color-text-muted); font-size: .82rem; }

:is(.primary, .play-action, .secondary, .online-secondary, .header-link) {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 8px 14px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: .9rem;
  font-weight: 680;
  line-height: 1.25;
  text-align: center;
}
.primary {
  color: var(--color-button-primary-text);
  background: linear-gradient(155deg, var(--color-button-primary), var(--color-button-primary-hover));
  border-color: var(--color-accent);
}
.primary:not(:disabled):hover { background: var(--color-button-primary-hover); border-color: var(--color-accent-soft); }
.play-action { color: var(--color-text); background: var(--color-panel); border-color: var(--color-accent-soft); }
.play-action:not(:disabled):hover { background: var(--color-panel-hover); }
:is(.secondary, .online-secondary, .header-link) {
  color: var(--color-button-secondary-text);
  background: var(--color-button-secondary);
  border-color: var(--color-border);
}
:is(.secondary, .online-secondary, .header-link):not(:disabled):hover {
  background: var(--color-button-secondary-hover);
  border-color: var(--color-accent);
}
:is(.primary, .play-action, .secondary, .online-secondary):disabled { opacity: .55; }
.header-link { flex: none; text-decoration: none; white-space: nowrap; }

.layout { max-width: 820px; margin-inline: auto; padding-top: 24px; }
.tabletop, .hand-panel { background: var(--color-panel); border: 1px solid var(--color-border); border-radius: 14px; }
.hand-panel h2 { font-size: 1.04rem; }

.tabletop {
  padding: 20px;
  background: radial-gradient(ellipse at 50% 0%, #241d3e, transparent 65%), var(--color-panel);
}
.scoreboard { display: grid; grid-template-columns: 1fr auto 1fr; gap: 8px; width: min(100%, 430px); margin: 0 auto; }
.score { display: flex; flex-direction: column; gap: 3px; min-width: 0; padding: 8px 11px; border: 1px solid var(--color-border); border-radius: 10px; color: var(--team); background: var(--color-panel); overflow-wrap: anywhere; }
.score:last-child { text-align: right; }
.score.current { border-color: var(--team); }
.score strong { font-size: 1.25rem; line-height: 1; font-variant-numeric: tabular-nums; }
.score span, .move-count { font-size: .73rem; }
.score .isolation-score { color: var(--color-accent-soft); }
.move-count { align-self: center; color: var(--color-text-muted); white-space: nowrap; }
.p0 { --team: #76e2de; --team-surface: #1a353d; --team-border: #4e9fa5; }
.p1 { --team: #ffb0a9; --team-surface: #3d293b; --team-border: #bc7489; }

.status { text-align: center; margin: 16px 0 13px; }
.status h2 { font-size: clamp(1.35rem, 4vw, 1.7rem); line-height: 1.15; letter-spacing: -.025em; }
.status p, .hand-panel > p { color: var(--color-text-muted); font-size: .85rem; line-height: 1.4; margin-top: 6px; }
.status + .error { margin: 0 auto 12px; max-width: 430px; }
.error { color: #ffc5b4; font-size: .84rem; line-height: 1.4; }
.battle-log { width: min(100%, 430px); margin: 12px auto 0; text-align: center; }
.battle-log h3 { color: var(--color-text-muted); font-size: .8rem; }
.battles { list-style: none; padding: 0; margin: 5px 0 0; }
.battles li { color: var(--color-text-muted); font-size: .77rem; line-height: 1.45; }
.battles strong { color: var(--team, var(--color-text-muted)); }
.battles .ability-event { color: var(--color-accent-soft); font-weight: 650; }

.board { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 7px; width: min(100%, 430px); margin: 0 auto; }
.cell { position: relative; min-width: 0; min-height: 0; aspect-ratio: 1.1; border-radius: 11px; }
.empty { background: var(--color-background); border: 1px dashed var(--color-border); color: var(--color-text-muted); font-size: 1.12rem; }
.empty:not(:disabled) { color: var(--color-accent-soft); border-color: var(--color-accent); }
.empty:not(:disabled):hover { background: var(--color-panel-hover); }

.card {
  display: grid;
  grid-template: auto auto minmax(0, 1fr) auto auto / auto minmax(0, 1fr) auto;
  align-items: center;
  padding: 7px 5px;
  color: var(--color-text);
  text-align: center;
  border: 1px solid var(--team-border);
  border-radius: 10px;
  background: radial-gradient(ellipse at top, var(--team-surface, var(--color-panel-hover)), var(--color-panel));
}
.card[data-recent="compared"] { box-shadow: inset 0 0 0 1px var(--color-accent-soft); }
.card[data-recent="placed"] { box-shadow: inset 0 0 0 1px var(--team); }
.card.is-selected { border-color: var(--color-accent-soft); box-shadow: inset 0 0 0 2px var(--color-accent-soft); }
.card.battle-striker { z-index: 2; }
.card.battle-impact { z-index: 1; outline: 2px solid transparent; outline-offset: -3px; }
.card.battle-impact-static { outline-color: var(--color-accent-soft); }
.isolation-badge { position: absolute; top: 4px; right: 4px; padding: 2px 4px; border-radius: 5px; color: var(--color-background); background: var(--color-accent-soft); font-size: .66rem; font-weight: 750; line-height: 1; }
.isolation-legend { margin-top: 9px; color: var(--color-text-muted); text-align: center; font-size: .75rem; }
button.card:not(:disabled):hover { border-color: var(--color-accent-soft); }
.edge { font-size: clamp(.72rem, 2.3vw, .9rem); font-weight: 700; color: var(--team); font-variant-numeric: tabular-nums; }
.edge.top { grid-area: 1 / 2; }
.edge.right { grid-area: 3 / 3; }
.edge.bottom { grid-area: 5 / 2; }
.edge.left { grid-area: 3 / 1; }
.card-name { grid-area: 2 / 1 / 3 / -1; font-weight: 650; font-size: clamp(.69rem, 1.8vw, .84rem); line-height: 1.07; overflow-wrap: anywhere; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; }
.card-owner, .card-ability { font-size: .63rem; line-height: 1.13; color: var(--team); }
.card-owner { grid-area: 3 / 2; }
.card-ability { grid-area: 4 / 1 / 5 / -1; }
.card.hidden { background: repeating-linear-gradient(135deg, var(--team-surface) 0 8px, var(--color-panel) 8px 16px); }
.hand-panel { margin-top: 12px; padding: 15px 18px; }
.hand { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 7px; margin-top: 10px; }
.hand .card { aspect-ratio: 1.1; }
.hand .edge { font-size: clamp(.69rem, 1.7vw, .85rem); }

.actions { display: flex; justify-content: center; margin-top: 15px; }
.match-actions { gap: 10px; flex-wrap: wrap; }
.match-connection, .status .turn-clock, .status .rating-result { color: var(--color-accent-soft); font-size: .82rem; }
.match-connection { text-align: center; margin-bottom: 10px; }
.turn-clock { font-variant-numeric: tabular-nums; }
@media (max-width: 740px) {
  .layout { padding-top: 16px; }
  .masthead { padding-top: 16px; padding-bottom: 14px; }
}
@media (max-width: 520px) {
  .shell { width: calc(100% - 22px); }
  .masthead { gap: 10px; }
  .brand-logo { width: 154px; }
  .brand p { font-size: .76rem; }
  .header-link { padding-inline: 10px; font-size: .82rem; }
  .tabletop { padding: 12px; }
  .board { gap: 5px; }
  .hand { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .hand-panel { padding: 12px; }
}
@media (max-width: 365px) {
  .card { padding: 5px 3px; }
  .card-name { -webkit-line-clamp: 1; }
  .card-owner, .card-ability { font-size: .56rem; }
}