.game-page { padding: 32px 0 64px; }

.game-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 28px;
}

.game-header h1 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent-dark);
}

.game-score {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.score-box {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 14px;
  padding: 10px 20px;
  text-align: center;
}

.score-box span {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  font-weight: 800;
}

.score-box strong {
  font-size: 1.35rem;
  color: var(--accent-dark);
}

.game-board-wrap {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.game-controls {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.game-hint {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  max-width: 520px;
}

/* Link Bloom */
#link-board {
  display: grid;
  grid-template-columns: repeat(9, 40px);
  gap: 5px;
  user-select: none;
}

.link-cell {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: transform 0.15s;
  box-shadow: inset 0 -3px 0 rgba(0,0,0,0.1), 0 2px 6px rgba(0,0,0,0.08);
}

.link-cell:hover { transform: scale(1.1); }

.link-c0 { background: radial-gradient(circle at 35% 30%, #ffc4a8, #ff7b6b); }
.link-c1 { background: radial-gradient(circle at 35% 30%, #b8e8ff, #5ba3d9); }
.link-c2 { background: radial-gradient(circle at 35% 30%, #fff0a8, #ffd65a); }
.link-c3 { background: radial-gradient(circle at 35% 30%, #dcc8ff, #9b6dd7); }
.link-c4 { background: radial-gradient(circle at 35% 30%, #b8f0d0, #3aab76); }

/* Five Field */
#five-board {
  display: grid;
  grid-template-columns: repeat(9, 38px);
  gap: 3px;
  background: #d4e8dc;
  padding: 10px;
  border-radius: 14px;
  border: 3px solid var(--accent-dark);
}

.five-cell {
  width: 38px;
  height: 38px;
  border: none;
  border-radius: 50%;
  background: rgba(255,255,255,0.55);
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}

.five-cell:hover:not(.p-you):not(.p-ai) {
  background: rgba(255,255,255,0.9);
  transform: scale(1.08);
}

.five-cell.p-you {
  background: radial-gradient(circle at 35% 30%, #ffc4a8, #ff6b5b);
  box-shadow: 0 3px 8px rgba(255,107,91,0.4);
  cursor: default;
}

.five-cell.p-ai {
  background: radial-gradient(circle at 35% 30%, #fff0a8, #e6b800);
  box-shadow: 0 3px 8px rgba(230,184,0,0.35);
  cursor: default;
}

/* Echo Scan */
#echo-board {
  display: inline-grid;
  gap: 4px;
  background: var(--border);
  padding: 5px;
  border-radius: 12px;
}

.echo-row { display: flex; gap: 4px; }

.echo-cell {
  width: 42px;
  height: 42px;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: var(--white);
  font-family: var(--font);
  font-weight: 800;
  font-size: 0.95rem;
  cursor: pointer;
}

.echo-cell:hover:not(:disabled) { background: var(--accent-dark); }
.echo-cell.revealed { background: var(--accent-soft); color: var(--accent-dark); cursor: default; }
.echo-cell.trap { background: #e85d4c; color: var(--white); }
.echo-cell.flagged { background: #ffd65a; color: var(--accent-dark); }
.echo-cell:disabled { cursor: default; }

.echo-n1 { color: #2980b9; }
.echo-n2 { color: #27ae60; }
.echo-n3 { color: #c0392b; }

/* Tile Flow */
#flow-board {
  display: grid;
  grid-template-columns: repeat(4, 72px);
  gap: 8px;
  background: #c8ddd2;
  padding: 10px;
  border-radius: 14px;
}

.flow-cell {
  width: 72px;
  height: 72px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--accent-dark);
}

.flow-empty { background: rgba(255,255,255,0.35); }

.flow-v2 { background: #eee4da; font-size: 1.2rem; }
.flow-v4 { background: #ede0c8; }
.flow-v8 { background: #f2b179; color: var(--white); }
.flow-v16 { background: #f59563; color: var(--white); }
.flow-v32 { background: #f67c5f; color: var(--white); }
.flow-v64 { background: #edcf72; color: var(--white); font-size: 1.1rem; }
.flow-v128, .flow-v256, .flow-v512 { background: #3aab76; color: var(--white); font-size: 1rem; }
.flow-v1024, .flow-v2048, .flow-vhigh { background: #1a4d38; color: var(--white); font-size: 0.85rem; }

.flow-pad { display: flex; flex-direction: column; align-items: center; gap: 6px; }

.flow-pad-mid { display: flex; gap: 6px; align-items: center; }

.flow-btn {
  padding: 10px 18px;
  border: 2px solid var(--border);
  border-radius: 12px;
  background: var(--white);
  font-family: var(--font);
  font-weight: 700;
  color: var(--accent-dark);
  cursor: pointer;
  min-width: 64px;
}

.flow-btn:hover { border-color: var(--accent); color: var(--accent); }

@media (max-width: 600px) {
  #link-board { grid-template-columns: repeat(9, 32px); }
  .link-cell { width: 32px; height: 32px; }
  #five-board { grid-template-columns: repeat(9, 30px); }
  .five-cell { width: 30px; height: 30px; }
  .echo-cell { width: 34px; height: 34px; font-size: 0.8rem; }
  #flow-board { grid-template-columns: repeat(4, 58px); }
  .flow-cell { width: 58px; height: 58px; font-size: 1.1rem; }
}