.gs-wrap {
  --gs-bg: #fffbeb;
  --gs-line: #f5d76e;
  --gs-yellow: #ffd54f;
  --gs-yellow-hot: #ffc107;
  --gs-orange: #ef8a4c;
  --gs-blue: #3b82f6;
  --gs-text: #2c3e50;
  --gs-muted: #9aa3ad;
  --gs-panel: #f3f4f6;
  max-width: 560px;
  margin: 0 auto 2rem;
  color: var(--gs-text);
}

.gs-lead {
  margin: 0 0 1rem;
  color: #64748b;
  font-size: 0.95rem;
  line-height: 1.6;
}

.gs-stage {
  background: var(--gs-bg);
  border-radius: 16px;
  padding: 1.25rem 1.1rem 1.4rem;
  border: 1px solid #f8e7a8;
}

.gs-sub {
  text-align: center;
  color: var(--gs-muted);
  margin: 0 0 1rem;
  font-size: 0.95rem;
}

.gs-filters {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.gs-select {
  width: 100%;
  appearance: none;
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23999' d='M1 1l5 5 5-5'/%3E%3C/svg%3E") no-repeat right 12px center;
  border: 2px solid var(--gs-line);
  border-radius: 10px;
  padding: 0.7rem 2rem 0.7rem 0.9rem;
  font-size: 1rem;
  color: var(--gs-text);
  cursor: pointer;
}

.gs-block-label {
  font-size: 0.95rem;
  margin: 0 0 0.55rem;
}

.gs-poem-box {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.55rem;
  border: 2px solid var(--gs-line);
  border-radius: 12px;
  padding: 0.7rem;
  background: #fff;
  min-height: 4rem;
}

.gs-poem-btn {
  border: 1.5px solid var(--gs-line);
  background: #fff;
  border-radius: 10px;
  padding: 0.7rem 0.35rem;
  font-size: 0.92rem;
  line-height: 1.3;
  color: var(--gs-text);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  word-break: break-all;
}

.gs-poem-btn:hover {
  border-color: var(--gs-yellow-hot);
}

.gs-poem-btn.is-on {
  background: var(--gs-yellow);
  border-color: var(--gs-yellow-hot);
  font-weight: 600;
}

.gs-picked-head {
  margin: 1rem 0 0.45rem;
  font-size: 0.95rem;
}

.gs-picked-box {
  min-height: 3rem;
  background: var(--gs-panel);
  border-radius: 10px;
  padding: 0.65rem 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
}

.gs-muted {
  color: var(--gs-muted);
}

.gs-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: var(--gs-yellow);
  border-radius: 999px;
  padding: 0.28rem 0.55rem 0.28rem 0.7rem;
  font-size: 0.88rem;
}

.gs-chip button {
  border: 0;
  background: transparent;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  color: #666;
  padding: 0 0.15rem;
}

.gs-start {
  display: block;
  width: 100%;
  margin-top: 1rem;
  border: 0;
  border-radius: 12px;
  padding: 0.95rem 1rem;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  background: #c5ccd4;
  color: #fff;
  transition: background 0.15s, transform 0.1s;
}

.gs-start.is-ready {
  background: var(--gs-yellow-hot);
  color: #222;
}

.gs-start.is-ready:hover {
  filter: brightness(1.03);
}

.gs-start:disabled {
  cursor: not-allowed;
}

.gs-play-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.35rem;
}

.gs-back {
  border: 0;
  background: #dbe4ee;
  color: #334;
  border-radius: 999px;
  padding: 0.4rem 0.85rem;
  font-size: 0.9rem;
  cursor: pointer;
}

.gs-progress {
  color: #607080;
  font-size: 0.95rem;
}

.gs-play-title {
  text-align: center;
  margin: 0.35rem 0 0.25rem;
  font-size: 1.55rem;
  font-weight: 800;
  color: #243447;
}

.gs-answer-box {
  box-sizing: border-box;
  border: 2px solid var(--gs-line);
  border-radius: 12px;
  background: #fff;
  height: 3.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: nowrap;
  overflow: hidden;
  padding: 0 0.75rem;
  margin: 0.85rem 0 0.9rem;
  font-size: 1.35rem;
  line-height: 1;
  letter-spacing: 0.12em;
  font-family: "KaiTi", "STKaiti", "华文楷体", "Songti SC", serif;
}

.gs-answer-box.is-right {
  border-color: #34a853;
  background: #e7f6ec;
  color: #1b7a36;
}

.gs-answer-box.is-wrong {
  border-color: #e15b4c;
  background: #ffecec;
  color: #c0392b;
}

.gs-answer-box.is-shake {
  animation: gs-shake 0.48s ease-in-out;
}

@keyframes gs-shake {
  0%, 100% { transform: translateX(0); }
  18% { transform: translateX(-8px); }
  36% { transform: translateX(8px); }
  54% { transform: translateX(-6px); }
  72% { transform: translateX(6px); }
  88% { transform: translateX(-3px); }
}

.gs-placeholder {
  color: #c0c6cc;
  letter-spacing: 0.35em;
  font-size: 1.35rem;
  line-height: 1;
}

.gs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 2px solid var(--gs-line);
  border-radius: 12px;
  overflow: hidden;
  background: var(--gs-line);
  max-width: 360px;
  margin: 0 auto;
  aspect-ratio: 1 / 1;
}

.gs-cell {
  border: 0;
  background: #fff;
  font-size: clamp(1.6rem, 6vw, 2.2rem);
  font-family: "KaiTi", "STKaiti", "华文楷体", "Songti SC", serif;
  color: #111;
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
  outline: 1px solid var(--gs-line);
}

.gs-cell:hover:not(:disabled) {
  background: #fff8dc;
}

.gs-cell.is-picked {
  background: #fff4c2;
  color: #111;
}

.gs-cell.is-used {
  background: #f3f4f6;
  color: #b0b6bc;
  cursor: default;
}

.gs-cell.is-wrong {
  background: #ffe4e4;
  color: #c0392b;
}

.gs-cell.is-ok {
  background: #e8f8e8;
  color: #1e7a3a;
}

.gs-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.85rem;
}

.gs-btn {
  border: 0;
  border-radius: 8px;
  width: 5.5rem;
  padding: 0.42rem 0.35rem;
  font-size: 0.84rem;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  color: #fff;
}

.gs-btn-clear {
  background: var(--gs-yellow-hot);
  color: #222;
}

.gs-btn-del {
  background: var(--gs-orange);
}

.gs-btn-ans {
  background: var(--gs-blue);
}

.gs-feedback {
  text-align: center;
  margin: 0.85rem 0 0;
  font-weight: 700;
  font-size: 1.05rem;
}

.gs-feedback.is-ok {
  color: #1e7a3a;
}

.gs-feedback.is-bad {
  color: #c0392b;
}

.gs-feedback.is-info {
  color: #3b82f6;
}

.gs-meta {
  text-align: center;
  margin: 0.5rem 0 0;
  color: #7a8694;
  font-size: 0.9rem;
  min-height: 1.2em;
}

.gs-intro {
  margin-top: 1.5rem;
  color: #475569;
  font-size: 0.95rem;
  line-height: 1.7;
}

.gs-intro h2 {
  font-size: 1.1rem;
  color: #1e293b;
  margin: 1rem 0 0.4rem;
}

.gs-intro ol {
  padding-left: 1.2rem;
  margin: 0.3rem 0;
}

.gs-empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--gs-muted);
  padding: 1rem 0.5rem;
}

@media (max-width: 480px) {
  .gs-poem-box {
    grid-template-columns: repeat(2, 1fr);
  }

  .gs-poem-btn {
    font-size: 0.85rem;
    padding: 0.65rem 0.3rem;
  }
}