.play-area {
  margin-top: 60px;
  border-top: 1px solid var(--line);
  padding-top: 44px;
}
.play-heading {
  display: flex;
  gap: 20px;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 25px;
}
.play-heading .eyebrow {
  margin-bottom: 10px;
}
.play-heading h2 {
  font-size: clamp(31px, 5vw, 52px);
}
.play-meta {
  display: flex;
  flex-direction: column;
  gap: 7px;
  align-items: end;
  color: var(--muted);
  font:
    700 11px/1.2 "SFMono-Regular",
    Consolas,
    monospace;
  text-transform: uppercase;
}
.play-meta span:first-child {
  color: var(--lime);
}
.game-layout {
  display: grid;
  grid-template-columns: minmax(300px, 1fr) minmax(190px, 0.45fr);
  gap: 42px;
  align-items: start;
}
.board-wrap {
  max-width: 570px;
}
.board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  aspect-ratio: 1;
  overflow: hidden;
  border: 1px solid rgba(102, 231, 255, 0.38);
  border-radius: 18px;
  background: rgba(4, 14, 24, 0.78);
  box-shadow: 0 18px 80px rgba(102, 231, 255, 0.08);
}
.board button {
  position: relative;
  display: grid;
  place-items: center;
  border: 0;
  border-right: 1px solid rgba(102, 231, 255, 0.24);
  border-bottom: 1px solid rgba(102, 231, 255, 0.24);
  color: var(--cyan);
  background: transparent;
  font:
    800 clamp(46px, 9vw, 92px)/1 "SF Pro Display",
    sans-serif;
  cursor: pointer;
  transition:
    background 0.18s ease,
    color 0.18s ease;
}
.board button:nth-child(3n) {
  border-right: 0;
}
.board button:nth-child(n + 7) {
  border-bottom: 0;
}
.board button:hover:not(:disabled),
.board button:focus-visible {
  background: rgba(102, 231, 255, 0.1);
}
.board button.cell-x {
  color: var(--cyan);
}
.board button.cell-o {
  color: var(--violet);
}
.board button.cell-win {
  background: rgba(196, 243, 106, 0.15);
  color: var(--lime);
}
.board button:disabled {
  cursor: default;
}
.turn-message {
  min-height: 22px;
  margin: 15px 0 0;
  color: var(--muted);
  font-size: 14px;
}
.score-panel {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}
.score-row,
.spectator-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding: 17px 0;
  color: var(--muted);
  font-size: 13px;
}
.score-row > span {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  color: var(--ink);
}
.score-row strong,
.spectator-row strong {
  color: var(--ink);
  font:
    800 22px/1 "SFMono-Regular",
    Consolas,
    monospace;
}
.symbol {
  display: inline-grid;
  width: 25px;
  height: 25px;
  place-items: center;
  border: 1px solid;
  border-radius: 8px;
  font:
    800 13px/1 "SFMono-Regular",
    Consolas,
    monospace;
}
.symbol-x {
  color: var(--cyan);
  border-color: rgba(102, 231, 255, 0.4);
}
.symbol-o {
  color: var(--violet);
  border-color: rgba(181, 154, 255, 0.4);
}
.spectator-row {
  color: var(--muted);
}
.reset-button {
  width: 100%;
  margin-top: 26px;
}
.score-panel > .button-quiet {
  justify-self: start;
  margin-top: 18px;
}
.protocol-note {
  display: flex;
  gap: 16px;
  align-items: start;
  margin: 65px 0 50px;
  border: 1px solid var(--line);
  border-radius: 13px;
  padding: 17px 19px;
  color: var(--muted);
  background: rgba(14, 31, 48, 0.44);
}
.protocol-icon {
  color: var(--cyan);
  font-size: 24px;
  line-height: 1;
}
.protocol-note p {
  max-width: 750px;
  margin: 1px 0 0;
  font-size: 12px;
  line-height: 1.55;
}
.protocol-note strong {
  color: var(--ink);
}
.protocol-note code {
  color: var(--cyan);
  font:
    11px "SFMono-Regular",
    Consolas,
    monospace;
  overflow-wrap: anywhere;
}
.activity {
  margin-bottom: 90px;
}
.activity-heading {
  margin-bottom: 13px;
}
.activity-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.activity-list li {
  border-bottom: 1px solid rgba(186, 229, 255, 0.1);
  padding: 9px 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}
.activity-list time {
  display: inline-block;
  min-width: 56px;
  margin-right: 8px;
  color: rgba(152, 175, 192, 0.6);
  font:
    10px "SFMono-Regular",
    Consolas,
    monospace;
}