.tool-workbench.idiom-chain-mounted {
  width: min(1280px, calc(100vw - 72px)) !important;
  max-width: 1280px !important;
}

.idiom-chain-mounted,
.idiom-chain-mounted * {
  box-sizing: border-box;
}

#idiomChainMount {
  color: #071631;
}

.idiom-stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 18px;
  margin-top: 18px;
}

.idiom-hero-card,
.idiom-score-board,
.idiom-play-card,
.idiom-panel {
  border: 1px solid rgba(184, 204, 240, 0.78);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 20px 58px rgba(33, 73, 145, 0.1);
}

.idiom-hero-card {
  min-height: 230px;
  padding: 30px;
  border-radius: 26px;
  background:
    radial-gradient(circle at 86% 20%, rgba(69, 127, 255, 0.22), transparent 32%),
    radial-gradient(circle at 14% 12%, rgba(255, 180, 70, 0.18), transparent 30%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(246, 250, 255, 0.94));
}

.idiom-hero-card span,
.idiom-score-board span,
.idiom-panel-head span {
  color: #62749a;
  font-size: 13px;
  font-weight: 700;
}

.idiom-hero-card strong {
  display: block;
  margin-top: 12px;
  color: #08142f;
  font-size: clamp(42px, 5vw, 72px);
  line-height: 1.05;
  letter-spacing: 0.08em;
}

.idiom-hero-card p {
  max-width: 720px;
  margin: 18px 0 0;
  color: #5d6e91;
  font-size: 15px;
  line-height: 1.7;
}

.idiom-next-char {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
  padding: 10px 14px;
  border-radius: 14px;
  color: #31507e;
  background: rgba(235, 242, 255, 0.95);
  font-size: 14px;
  font-weight: 700;
}

.idiom-next-char b {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 10px;
  color: #fff;
  background: linear-gradient(135deg, #1677ff, #6c5cff);
  font-size: 20px;
}

.idiom-score-board {
  display: grid;
  gap: 12px;
  padding: 18px;
  border-radius: 26px;
}

.idiom-score-board div {
  min-height: 62px;
  padding: 14px 16px;
  border-radius: 18px;
  background: #f6f9ff;
}

.idiom-score-board strong {
  display: block;
  margin-top: 6px;
  color: #0b1737;
  font-size: 30px;
  line-height: 1;
}

.idiom-play-card {
  margin-top: 18px;
  padding: 20px;
  border-radius: 24px;
}

.idiom-input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 150px;
  gap: 12px;
}

.idiom-input-row input {
  height: 52px;
  border: 1px solid rgba(60, 105, 205, 0.24);
  border-radius: 16px;
  padding: 0 16px;
  outline: none;
  background: #fff;
  color: #08142f;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.idiom-input-row input:focus {
  border-color: #176fff;
  box-shadow: 0 0 0 4px rgba(23, 111, 255, 0.1);
}

.idiom-input-row button,
.idiom-actions button,
.idiom-hints button {
  border: 0;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.idiom-input-row button {
  height: 52px;
  border-radius: 16px;
  color: #fff;
  background: linear-gradient(135deg, #1677ff, #665cff);
  box-shadow: 0 16px 32px rgba(43, 99, 232, 0.24);
  font-size: 15px;
  font-weight: 800;
}

.idiom-input-row button:hover,
.idiom-actions button:hover,
.idiom-hints button:hover {
  transform: translateY(-1px);
}

.idiom-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.idiom-actions button,
.idiom-hints button {
  min-height: 38px;
  padding: 0 14px;
  border-radius: 12px;
  color: #31527f;
  background: #f2f6ff;
  font-size: 13px;
  font-weight: 760;
}

.idiom-actions button:hover,
.idiom-hints button:hover {
  background: #e9f1ff;
}

.idiom-message {
  min-height: 22px;
  margin: 14px 0 0;
  color: #60749a;
  font-size: 14px;
  font-weight: 700;
}

.idiom-hints {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 12px;
}

.idiom-content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) 380px;
  gap: 18px;
  margin-top: 18px;
}

.idiom-panel {
  border-radius: 24px;
  padding: 20px;
}

.idiom-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
}

.idiom-panel-head h2 {
  margin: 0;
  color: #08142f;
  font-size: 18px;
}

.idiom-history {
  display: grid;
  max-height: 420px;
  margin: 0;
  padding: 0;
  overflow: auto;
  list-style: none;
  gap: 10px;
}

.idiom-history li {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr) 70px;
  gap: 12px;
  align-items: center;
  min-height: 56px;
  padding: 12px;
  border-radius: 16px;
  background: #f7faff;
}

.idiom-history b {
  color: #102247;
  font-size: 16px;
  letter-spacing: 0.05em;
}

.idiom-history span {
  color: #657697;
  font-size: 13px;
  line-height: 1.5;
}

.idiom-history small {
  justify-self: end;
  color: #1b6fff;
  font-size: 12px;
  font-weight: 800;
}

.idiom-rules {
  display: grid;
  gap: 12px;
}

.idiom-rules p {
  margin: 0;
  padding: 14px;
  border-radius: 15px;
  color: #4e6288;
  background: #f7faff;
  font-size: 13px;
  line-height: 1.65;
}

@media (max-width: 980px) {
  .tool-workbench.idiom-chain-mounted {
    width: min(100% - 32px, 980px) !important;
  }

  .idiom-stage,
  .idiom-content-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .idiom-input-row {
    grid-template-columns: 1fr;
  }

  .idiom-history li {
    grid-template-columns: 1fr;
  }

  .idiom-history small {
    justify-self: start;
  }
}