.mode-tabs {
  display: flex;
  gap: 0;
  padding-top: 24px;
  border-bottom: 2px solid #e5e6eb;
}

.mode-tab {
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 500;
  color: #86909c;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.mode-tab:hover { color: #165DFF; }
.mode-tab.active { color: #165DFF; border-bottom-color: #165DFF; }

.panel-actions {
  display: flex;
  gap: 6px;
}

.btn-tiny {
  padding: 2px 10px;
  font-size: 12px;
  border: 1px solid #e5e6eb;
  border-radius: 4px;
  background: #fff;
  color: #4e5969;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-tiny:hover {
  border-color: #165DFF;
  color: #165DFF;
  background: #f0f5ff;
}

.tool-input-area {
  min-height: 120px;
  font-size: 13px;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  line-height: 1.6;
}

.hash-results {
  padding: 20px 0 48px;
}

.hash-result-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid #e5e6eb;
  border-radius: 8px;
  margin-bottom: 8px;
  background: #fff;
}

.hash-algo {
  font-size: 13px;
  font-weight: 600;
  color: #165DFF;
  min-width: 70px;
  flex-shrink: 0;
}

.hash-value {
  flex: 1;
  font-size: 13px;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  color: #1d2129;
  word-break: break-all;
  line-height: 1.5;
}

.hash-copy-btn {
  padding: 4px 12px;
  font-size: 12px;
  border: 1px solid #e5e6eb;
  border-radius: 4px;
  background: #fff;
  color: #4e5969;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.hash-copy-btn:hover {
  border-color: #165DFF;
  color: #165DFF;
  background: #f0f5ff;
}

.file-hash-info {
  padding: 12px 16px;
  background: #f7f8fa;
  border: 1px solid #e5e6eb;
  border-radius: 8px;
  margin: 16px 0 8px;
  font-size: 13px;
  color: #4e5969;
}

@media (max-width: 600px) {
  .mode-tabs { padding-top: 16px; }
  .mode-tab { padding: 10px 16px; font-size: 14px; }
  .hash-result-item { flex-direction: column; align-items: flex-start; }
  .hash-copy-btn { align-self: flex-end; }
}