.url-tool .url-panels,
.url-tool .url-panels * {
  box-sizing: border-box;
}

.url-tool .url-panels {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  row-gap: 16px;
}

.url-tool .url-panels > [class*="col-"] {
  display: flex;
  min-width: 0;
}

.url-input-panel,
.url-result-panel {
  width: 100%;
  min-width: 0;
}

.url-panel-header {
  gap: 12px;
}

.url-panel-header > span:first-child {
  flex: 1;
  min-width: 0;
}

.url-panel-header i {
  margin-right: 6px;
}

.url-result-status {
  flex: 0 1 auto;
  min-width: 0;
  color: var(--text-3);
  font-size: 12.5px;
  font-weight: 500;
  text-align: right;
}

.url-settings-body,
.url-result-body {
  gap: 16px;
  min-width: 0;
}

.url-field {
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-width: 0;
  margin: 0;
  color: var(--text-2);
  font-size: 13.5px;
  font-weight: 600;
}

.url-field > span {
  display: block;
}

.url-field small,
.url-field-note {
  color: var(--text-3);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.5;
}

.url-field code {
  background: rgba(128, 128, 128, 0.12);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 12px;
  color: var(--text-2);
}

.url-field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  min-width: 0;
}

.url-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.url-options-title {
  display: block;
  color: var(--text-2);
  font-size: 13.5px;
  font-weight: 600;
}

.url-type-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  min-width: 0;
}

.url-radio,
.url-check {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  margin: 0;
  color: var(--text-2);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
}

.url-radio input,
.url-check input {
  margin: 0;
  flex: 0 0 auto;
}

.url-check-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  min-width: 0;
}

.url-letter-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.url-preset-row,
.url-action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-width: 0;
}

.url-action-row .btn-url-generate {
  flex: 1 1 auto;
  min-width: 160px;
}

.url-message {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 8px;
  background: rgba(220, 53, 69, 0.08);
  border: 1px solid rgba(220, 53, 69, 0.25);
  color: #dc3545;
  font-size: 13px;
  line-height: 1.5;
}

.url-message i {
  margin-top: 2px;
  flex: 0 0 auto;
}

.url-result-body {
  display: flex;
  flex-direction: column;
}

.url-result-textarea {
  width: 100%;
  min-width: 0;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 12.5px;
  line-height: 1.55;
  white-space: pre;
  overflow-wrap: break-word;
  overflow-x: auto;
  min-height: 220px;
  margin: 0;
}

.url-note {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  color: var(--text-3);
  font-size: 12.5px;
  line-height: 1.55;
  margin-top: 2px;
}

.url-note i {
  margin-top: 2px;
  flex: 0 0 auto;
}

/* result toolbar reuse base styles */
.url-result-body .result-toolbar {
  margin-bottom: 10px;
}

@media (max-width: 767px) {
  .url-field-grid {
    grid-template-columns: 1fr;
  }
  .url-type-grid,
  .url-check-grid {
    grid-template-columns: 1fr;
  }
  .url-panels {
    row-gap: 14px;
  }
  .url-action-row .btn-url-generate {
    width: 100%;
  }
}