/* UTM campaign URL builder */
.container--utm-builder {
  max-width: 1120px;
}

.utm-builder-intro {
  max-width: 920px;
}

.utm-builder-panel,
.utm-result-panel,
.utm-important-notice {
  margin-top: 1.5rem;
}

.utm-panel-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.utm-panel-heading h2,
.utm-panel-heading p {
  margin: 0;
}

.utm-panel-heading p {
  margin-top: 0.3rem;
  color: var(--color-text-muted);
}

.utm-heading-actions,
.utm-copy-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.required-mark,
.optional-mark {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.12rem 0.45rem;
  font-size: 0.72rem;
  font-weight: 800;
  line-height: 1.4;
}

.required-mark {
  background: #fde8e8;
  color: #9b1c1c;
}

.optional-mark {
  background: var(--color-surface-soft);
  color: var(--color-text-muted);
}

.utm-destination-field,
.utm-field-group {
  display: grid;
  gap: 0.45rem;
  min-width: 0;
}

.utm-destination-field > label,
.utm-field-group > label {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-text);
  font-weight: 800;
}

.utm-field-group label code {
  color: var(--color-primary-dark);
  font-size: 0.78rem;
}

.utm-destination-field input,
.utm-field-group input {
  width: 100%;
  max-width: 100%;
  min-height: 46px;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: #fff;
  color: var(--color-text);
  font: inherit;
}

.utm-destination-field input:focus,
.utm-field-group input:focus,
.utm-result-textarea:focus {
  outline: 3px solid rgba(20, 107, 99, 0.2);
  border-color: var(--color-primary);
}

.utm-destination-field small,
.utm-field-group small {
  color: var(--color-text-muted);
}

.utm-required-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
  align-items: start;
}

.utm-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.utm-suggestions button {
  max-width: 100%;
  border: 1px solid #b9d9d4;
  border-radius: 999px;
  padding: 0.28rem 0.65rem;
  background: #eff8f6;
  color: var(--color-primary-dark);
  font: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  overflow-wrap: anywhere;
  cursor: pointer;
}

.utm-suggestions button:hover,
.utm-suggestions button:focus-visible {
  border-color: var(--color-primary);
  background: #e1f2ef;
}

.utm-advanced-settings {
  margin-top: 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-surface-soft);
}

.utm-advanced-settings summary {
  padding: 0.9rem 1rem;
  color: var(--color-primary-dark);
  font-weight: 800;
  cursor: pointer;
}

.utm-optional-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  padding: 0 1rem 1rem;
}

.utm-existing-box {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
}

.utm-existing-box p {
  margin: 0;
  color: var(--color-primary-dark);
  font-weight: 800;
}

.utm-warning,
.utm-error,
.utm-action-status {
  min-height: 1.5em;
  margin: 0.75rem 0 0;
  font-weight: 700;
}

.utm-warning {
  color: #8a5a00;
}

.utm-error {
  color: #a82424;
}

.utm-action-status {
  color: var(--color-primary-dark);
}

.utm-generate-button {
  margin-top: 0.4rem;
}

.utm-result-panel[hidden] {
  display: none;
}

.utm-result-label {
  display: block;
  margin: 1rem 0 0.45rem;
  color: var(--color-text);
  font-weight: 800;
}

.utm-result-textarea {
  display: block;
  width: 100%;
  max-width: 100%;
  min-height: 150px;
  padding: 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: #fff;
  color: var(--color-text);
  font: 500 0.92rem/1.65 ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  resize: vertical;
  overflow: auto;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.utm-result-textarea--compact {
  min-height: 105px;
}

.utm-result-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  margin: 0.7rem 0;
  color: var(--color-text-muted);
}

.utm-result-meta p {
  margin: 0;
}

.utm-result-meta strong {
  color: var(--color-primary-dark);
}

.utm-table-wrap {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: 10px;
}

.utm-parameter-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  background: #fff;
}

.utm-parameter-table th,
.utm-parameter-table td {
  padding: 0.75rem 0.85rem;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.utm-parameter-table thead th {
  background: var(--color-surface-soft);
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

.utm-parameter-table tbody th {
  width: 38%;
  color: var(--color-primary-dark);
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
}

.utm-parameter-table tr:last-child th,
.utm-parameter-table tr:last-child td {
  border-bottom: 0;
}

.utm-important-notice p:last-child {
  margin-bottom: 0;
}

.utm-builder-article {
  overflow-wrap: anywhere;
}

@media (max-width: 760px) {
  .utm-panel-heading {
    display: grid;
  }

  .utm-required-grid,
  .utm-optional-grid {
    grid-template-columns: 1fr;
  }

  .utm-result-meta {
    display: grid;
  }
}

@media (max-width: 480px) {
  .utm-heading-actions,
  .utm-copy-actions {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
  }

  .utm-heading-actions .button,
  .utm-copy-actions .button,
  .utm-generate-button,
  .utm-existing-box .button {
    width: 100%;
  }

  .utm-existing-box {
    display: grid;
  }

  .utm-advanced-settings summary,
  .utm-optional-grid {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }

  .utm-suggestions button {
    flex: 1 1 auto;
  }

  .utm-result-textarea {
    min-height: 180px;
  }
}