:root {
  --bg: #0f1220;
  --card: #171a2b;
  --text: #e9ecff;
  --muted: #aab0d6;
  --line: rgba(255,255,255,.12);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.wrap { max-width: 1100px; margin: 0 auto; padding: 18px; }
.header { display: grid; gap: 10px; margin-bottom: 16px; }
.header h1 { margin: 0; font-size: 22px; }

.auth { display: flex; gap: 8px; }
.auth input {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
  color: var(--text);
}
.auth button {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #22264a;
  color: var(--text);
  cursor: pointer;
}

.meta { display: flex; gap: 16px; flex-wrap: wrap; color: var(--muted); }
#statusLabel { color: var(--text); }

.grid {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 16px;
}
@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr; }
}

.board { border-radius: 12px; overflow: hidden; border: 1px solid var(--line); }

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  display: grid;
  gap: 10px;
}
.panel h2 { margin: 8px 0 4px; font-size: 16px; color: var(--text); }

textarea {
  width: 100%;
  min-height: 220px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #0d1020;
  color: var(--text);
  padding: 10px;
  resize: vertical;
}

.moves {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #0d1020;
  padding: 10px;
  max-height: 220px;
  overflow: auto;
  color: var(--muted);
  line-height: 1.6;
}

.hint { color: var(--muted); margin: 10px 0 0; }