/* TechTools — crc32 styles [v2.1 §3.2 A2] */
.crc-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}
.crc-tabs .crc-tab {
  padding: 7px 20px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.25s ease;
}
.crc-tabs .crc-tab:hover { color: var(--text-primary); border-color: rgba(255,180,84,0.4); }
.crc-tabs .crc-tab.active {
  border-color: var(--accent-amber);
  color: var(--accent-amber);
  background: rgba(255,180,84,0.1);
}
.drop-zone {
  border: 2px dashed rgba(255,255,255,0.15);
  border-radius: 12px;
  padding: 40px 20px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  transition: border-color 0.25s ease, background 0.25s ease;
}
.drop-zone.dragover {
  border-color: var(--accent-amber);
  background: rgba(255,180,84,0.06);
}
.drop-zone p { margin-bottom: 12px; }
.file-name {
  margin-top: 12px;
  font-size: 12px;
  color: var(--accent-amber);
  word-break: break-all;
}
.crc-results {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 20px;
}
.crc-result-card {
  background: rgba(0,0,0,0.25);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.crc-result-card .result-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.crc-result-card .result-value {
  font-family: 'SF Mono','Fira Code','Consolas',monospace;
  font-size: 13px;
  color: var(--accent-amber);
  word-break: break-all;
  background: rgba(0,0,0,0.2);
  padding: 10px 12px;
  border-radius: 8px;
  min-height: 42px;
  display: flex;
  align-items: center;
}
.crc-result-card .btn-sm { align-self: flex-end; }
.tool-info-section code {
  font-family: 'SF Mono','Fira Code','Consolas',monospace;
  font-size: 12px;
  color: var(--accent-amber);
  background: rgba(0,0,0,0.25);
  padding: 1px 6px;
  border-radius: 4px;
}
@media (max-width: 768px) {
  .crc-results { grid-template-columns: 1fr; }
}