.word-case-tool .word-case-layout { align-items: stretch; row-gap: 16px; }
.word-case-panel { height: 100%; }
.word-case-panel .form-control-group-header {
  flex: 0 0 auto;
  padding-top: 6px;
  padding-bottom: 6px;
}
.word-case-panel .form-control-group-header > span {
  flex: 1;
  min-width: 0;
}
.word-case-panel .form-control-group-header .btn-sm {
  min-height: 28px;
  padding-top: 4px;
  padding-bottom: 4px;
}
.word-case-panel .form-control-group-body { display: flex; }
.word-case-input-actions {
  display: flex;
  flex: 0 0 auto;
  gap: 8px;
}
.word-case-textarea {
  min-height: 360px;
  resize: vertical;
  line-height: 1.55;
}
.word-case-options-panel { margin-top: 16px; }
.word-case-mode-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  padding: 14px 16px 2px;
}
.word-case-mode-list .btn {
  min-width: 0;
  justify-content: center;
  white-space: nowrap;
}
.word-case-message {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 16px;
  padding: 10px 12px;
  border: 1px solid #fecaca;
  border-radius: var(--radius);
  background: var(--danger-soft);
  color: var(--danger);
  font-size: 13.5px;
  line-height: 1.45;
}
.word-case-stats {
  display: grid;
  grid-template-columns: minmax(170px, 1.4fr) repeat(4, minmax(110px, 1fr));
  gap: 10px;
  margin-top: 16px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-soft);
}
.word-case-stat-card {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
}
.word-case-stat-card strong {
  overflow: hidden;
  color: var(--text);
  font-size: 15px;
  line-height: 1.3;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.word-case-stat-card span {
  color: var(--text-2);
  font-size: 12.5px;
  line-height: 1.35;
}
.word-case-stat-primary {
  border-color: rgba(37, 99, 235, .28);
  background: var(--primary-soft);
}
.word-case-stat-primary strong { color: var(--primary); }
:root[data-theme="dark"] .word-case-message {
  border-color: #7f1d1d;
  background: rgba(127, 29, 29, .18);
}
@media (max-width: 991px) {
  .word-case-textarea { min-height: 280px; }
  .word-case-mode-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .word-case-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .word-case-stat-primary { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .word-case-tool .form-control-group-body { padding: 14px; }
  .word-case-mode-list {
    grid-template-columns: 1fr;
    padding: 14px;
  }
  .word-case-mode-list .btn {
    width: 100%;
    min-width: 0;
  }
  .word-case-input-actions {
    display: grid;
    grid-template-columns: repeat(2, auto);
    gap: 6px;
  }
  .word-case-stats { grid-template-columns: 1fr; }
  .word-case-stat-primary { grid-column: auto; }
  .word-case-results-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    column-gap: 8px;
    padding-top: 6px;
    padding-bottom: 6px;
  }
  .word-case-results-header > span {
    display: block;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .word-case-tool .btn-copy-result {
    width: 62px;
    min-width: 62px;
    justify-content: center;
    white-space: nowrap;
  }
}