/* ============================================
   Text Case Converter — scoped to .tcc-page
   All custom styles are namespaced under .tcc-
   so they cannot leak to other Sigify tools.
   ============================================ */

.tcc-page .tool-card h2 { display: block; }
.tcc-page .tool-card h2::before { display: none; }

.tcc-mode-row {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin-bottom: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
}

.tcc-mode-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--text-dark);
  cursor: pointer;
  font-size: 0.95rem;
}

.tcc-mode-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
  cursor: pointer;
}

.tcc-mode-text small {
  font-weight: 500;
  color: var(--text-light);
  margin-left: 4px;
  font-size: 0.82rem;
}

.tcc-case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
  margin-bottom: 26px;
}

.tcc-case-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  cursor: pointer;
  font-family: var(--font);
  transition: var(--transition);
  gap: 4px;
}

.tcc-case-btn:hover {
  border-color: var(--primary-light);
  background: rgba(55,122,209,0.04);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.tcc-case-btn.active {
  border-color: var(--primary);
  background: rgba(55,122,209,0.10);
  box-shadow: 0 0 0 2px rgba(55,122,209,0.22);
}

.tcc-case-btn.active .tcc-case-name { color: var(--primary-dark); }

.tcc-case-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-dark);
}

.tcc-case-ex {
  font-size: 0.78rem;
  color: var(--text-light);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.tcc-io-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 22px;
}

.tcc-io-col { display: flex; flex-direction: column; }

.tcc-io-label {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-dark);
  margin-bottom: 8px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.tcc-io-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
  display: inline-block;
}

.tcc-io-dot-success { background: #10b981; }

.tcc-textarea {
  width: 100%;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-family: var(--font);
  font-size: 0.97rem;
  color: var(--text-dark);
  background: var(--bg-light);
  resize: vertical;
  outline: none;
  transition: var(--transition);
  min-height: 230px;
  line-height: 1.55;
}

.tcc-textarea:focus {
  border-color: var(--primary);
  background: var(--bg-card);
  box-shadow: 0 0 0 3px rgba(55,122,209,0.12);
}

.tcc-textarea[readonly] {
  background: rgba(16,185,129,0.04);
  border-color: rgba(16,185,129,0.35);
  font-family: var(--font);
}

.tcc-stats-row {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.85rem;
  color: var(--text-light);
}

.tcc-stats-row strong {
  color: var(--primary-dark);
  font-weight: 700;
  font-size: 0.95rem;
  margin-right: 4px;
}

.tcc-extra-section {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px dashed var(--border);
}

.tcc-extra-section h3 {
  font-size: 1.05rem;
  color: var(--sky-700, var(--primary-dark));
  margin-bottom: 12px;
}

.tcc-extra-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 10px;
}

.tcc-extra-hint {
  margin: 6px 0 0;
  font-size: 0.85rem;
  color: var(--text-light);
  font-style: italic;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .tcc-io-grid { grid-template-columns: 1fr; }
  .tcc-mode-row { flex-direction: column; gap: 10px; }
  .tcc-case-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
  .tcc-extra-grid .btn { flex: 1 1 calc(50% - 10px); }
}

@media (max-width: 480px) {
  .tcc-case-grid { grid-template-columns: 1fr 1fr; }
  .tcc-extra-grid .btn { flex: 1 1 100%; }
}