:root {
  --bg: radial-gradient(circle at 20% 10%, #fcf6de 0%, #f6efcf 45%, #ece4c2 100%);
  --panel: #ffffffd9;
  --line: #d4c8a2;
  --text: #252117;
  --muted: #6a5f42;
  --accent: #b64f1d;
  --accent-strong: #9a3f12;
  --square-light: #f2ddb2;
  --square-dark: #7b6142;
  --square-selected: #fdb13d;
  --square-target: #7ac37a;
  --shadow: 0 12px 30px #7c69421f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "IBM Plex Sans", sans-serif;
  color: var(--text);
  background: var(--bg);
}

.layout {
  max-width: 1180px;
  margin: 0 auto;
  padding: 18px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 16px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.panel-main {
  padding: 16px;
}

.panel-side {
  padding: 14px;
  display: grid;
  align-content: start;
  gap: 14px;
}

.panel-side h2 {
  margin: 0 0 6px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
}

.kicker {
  margin: 0;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--muted);
}

.match-header h1 {
  margin: 6px 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.45rem;
}

.meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.clock-row {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.clock {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  background: #fff;
}

.clock.active {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px #b64f1d25;
}

.clock-label {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
}

.clock-time {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.4rem;
}

.board-wrap {
  margin-top: 14px;
  width: 100%;
  display: flex;
  justify-content: center;
}

.board {
  width: min(92vw, 620px);
  max-width: 620px;
  aspect-ratio: 1;
  border: 4px solid #5d4a2f;
  border-radius: 12px;
  overflow: hidden;
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
}

.square {
  border: none;
  padding: 0;
  margin: 0;
  position: relative;
  font-size: clamp(1.6rem, 4.1vw, 2.9rem);
  font-family: "Times New Roman", serif;
  cursor: pointer;
}

.square.light {
  background: var(--square-light);
}

.square.dark {
  background: var(--square-dark);
  color: #fbf6ee;
}

.square.selected {
  box-shadow: inset 0 0 0 4px var(--square-selected);
}

.square.target::after {
  content: "";
  position: absolute;
  width: 20%;
  height: 20%;
  border-radius: 999px;
  background: var(--square-target);
  left: 40%;
  top: 40%;
}

.square.disabled {
  cursor: default;
}

.action-row {
  margin-top: 10px;
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.btn {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  font-family: inherit;
  padding: 8px 6px;
  border-radius: 10px;
  font-size: 0.86rem;
  cursor: pointer;
  transition: transform 90ms ease, border-color 90ms ease;
}

.btn:hover:enabled {
  transform: translateY(-1px);
  border-color: #9d8758;
}

.btn:disabled {
  opacity: 0.45;
  cursor: default;
}

.btn-accent {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent-strong);
}

.status {
  margin: 0;
  min-height: 38px;
  color: var(--text);
}

.players p {
  margin: 4px 0;
}

.moves-list {
  margin: 0;
  padding-left: 18px;
  max-height: 240px;
  overflow: auto;
  font-size: 0.9rem;
}

.moves-list li {
  margin: 2px 0;
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .panel-side {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .action-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .layout {
    padding: 10px;
    gap: 10px;
  }

  .panel-main,
  .panel-side {
    padding: 10px;
    border-radius: 12px;
  }

  .panel-side {
    grid-template-columns: minmax(0, 1fr);
  }
}