.ss-vocab-match-game {
  width: 640px;
  min-height: 500px;
  margin: 0 auto 18px;
  background: #f7fbff;
  border: 1px solid #8eb6d8;
  box-shadow: 0 2px 8px rgba(20, 52, 78, 0.16);
  color: #1d3448;
  font-family: Arial, Helvetica, sans-serif;
  text-align: left;
}

.ss-vocab-match-shell {
  min-height: 500px;
  padding: 16px;
  box-sizing: border-box;
  background: linear-gradient(#ffffff, #eef7ff);
}

.ss-vocab-match-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid #bed7eb;
}

.ss-vocab-match-title {
  margin: 0;
  color: #075e91;
  font-size: 23px;
  line-height: 1.2;
}

.ss-vocab-match-score {
  display: flex;
  gap: 8px;
  align-items: center;
  white-space: nowrap;
  font-size: 14px;
}

.ss-vocab-match-pill {
  padding: 5px 9px;
  border-radius: 4px;
  background: #e8f4ff;
  border: 1px solid #b8d7f0;
  font-weight: bold;
}

.ss-vocab-match-prompt {
  min-height: 36px;
  margin: 12px 0;
  padding: 10px;
  background: #fffdf2;
  border: 1px solid #ead995;
  border-radius: 4px;
  font-size: 15px;
  line-height: 1.35;
}

.ss-vocab-match-prompt.good {
  background: #effbea;
  border-color: #9ccc86;
  color: #236513;
}

.ss-vocab-match-prompt.bad {
  background: #fff0ee;
  border-color: #e2a49b;
  color: #8a2519;
}

.ss-vocab-match-board {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.ss-vocab-match-column {
  display: grid;
  gap: 8px;
}

.ss-vocab-match-card {
  min-height: 43px;
  padding: 9px;
  border: 1px solid #77a9cf;
  background: #ffffff;
  color: #064f7d;
  border-radius: 4px;
  cursor: pointer;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 15px;
  line-height: 1.22;
  text-align: left;
}

.ss-vocab-match-card.selected {
  background: #dff1ff;
  border-color: #0874b0;
}

.ss-vocab-match-card.matched {
  background: #e8f8e2;
  border-color: #83be6a;
  color: #2c6c19;
  cursor: default;
}

.ss-vocab-match-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.ss-vocab-match-button {
  min-height: 34px;
  padding: 7px 11px;
  border: 1px solid #075e91;
  background: #0a72ad;
  color: #ffffff;
  border-radius: 4px;
  cursor: pointer;
  font-weight: bold;
}

.ss-vocab-match-loading,
.ss-vocab-match-summary {
  padding: 15px;
  background: #ffffff;
  border: 1px solid #cfe2f1;
  border-radius: 4px;
  font-size: 18px;
}

@media (max-width: 700px) {
  .ss-vocab-match-game {
    width: 100%;
  }

  .ss-vocab-match-board {
    grid-template-columns: 1fr;
  }
}