/* DKIM Checker. Scoped to this tool. */
.tools-container:has(.tool-page-dkim-checker) {
  width: min(1280px, calc(100% - 32px));
  max-width: 1280px;
  padding-left: 28px;
  padding-right: 28px;
}
.tool-page.tool-page-dkim-checker { width: 100%; max-width: none; overflow-x: clip; }
.tool-page-dkim-checker .tool-header {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  column-gap: 14px;
  align-items: center;
  margin-bottom: 18px;
}
.tool-page-dkim-checker .dk-mark {
  grid-column: 1;
  grid-row: 1 / span 2;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: #eef3ff;
  color: #2459e0;
}
.tool-page-dkim-checker .tool-header h1 { grid-column: 2; grid-row: 1; margin: 0; }
.tool-page-dkim-checker .tool-description { grid-column: 2; grid-row: 2; max-width: 68ch; margin: 4px 0 0; }
.tool-page-dkim-checker .tf-back { grid-column: 3; grid-row: 1; justify-self: end; margin: 0; }
.tool-page-dkim-checker .tool-content,
.tool-page-dkim-checker .tool-input-panel,
.tool-page-dkim-checker .tool-results,
.tool-page-dkim-checker .tool-results-panel,
.tool-page-dkim-checker .dk-lower,
.tool-page-dkim-checker .dk-related { width: 100%; max-width: none; }
.tool-page-dkim-checker .tool-content { align-items: stretch; gap: 16px; }
.tool-page-dkim-checker .tool-input-panel .share-result-section { display: none; }
.tool-page-dkim-checker .tool-results { min-height: 0; }
.tool-page-dkim-checker .tool-results-panel { min-height: 0; padding: 0; border: 0; background: transparent; }
.tool-page-dkim-checker .tool-results-panel:has(.dk-empty) {
  padding: 36px 40px 32px;
  border: 1px solid #e4ebf5;
  border-radius: 16px;
  background: #fff;
}
.tool-page-dkim-checker .tool-input-panel {
  padding: 26px 28px;
  border: 1px solid #d5deee;
  border-radius: 16px;
  background: #fff;
}
.tool-page-dkim-checker .dk-form-title { margin: 0 0 16px; font-size: 22px; }
.tool-page.tool-page-dkim-checker[data-family] .tool-form:has(#tool-selector) {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(180px, 0.8fr) auto;
  gap: 8px 14px;
  align-items: end;
}
.tool-page.tool-page-dkim-checker[data-family] .tool-form:has(#tool-selector) > .dk-domain { grid-column: 1; grid-row: 1; margin: 0; }
.tool-page.tool-page-dkim-checker[data-family] .tool-form:has(#tool-selector) > .dk-selector { grid-column: 2; grid-row: 1; margin: 0; }
.tool-page.tool-page-dkim-checker[data-family] .tool-form:has(#tool-selector) > .tool-submit-btn {
  grid-column: 3;
  grid-row: 1;
  height: 50px;
  min-width: 158px;
}
.tool-page.tool-page-dkim-checker[data-family] .tool-form:has(#tool-selector) > .dk-error,
.tool-page.tool-page-dkim-checker[data-family] .tool-form:has(#tool-selector) > .dk-help,
.tool-page.tool-page-dkim-checker[data-family] .tool-form:has(#tool-selector) > .dk-find,
.tool-page.tool-page-dkim-checker[data-family] .tool-form:has(#tool-selector) > .dk-query-box { grid-column: 1 / -1; }
.tool-page-dkim-checker .form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 650;
  letter-spacing: 0;
  text-transform: none;
}
.tool-page-dkim-checker .tool-input { height: 50px; padding: 0 14px; }
.tool-page-dkim-checker .tool-input:focus { outline: 2px solid #2459e0; outline-offset: 1px; }
.tool-page-dkim-checker .dk-error { margin: 0; color: #b42318; font-size: 14px; }
.tool-page-dkim-checker .dk-error[hidden] { display: none; }
.tool-page-dkim-checker .dk-help { margin: 2px 0 0; color: #5c6b82; font-size: 14px; }
.tool-page-dkim-checker .dk-find { margin-top: 8px; }
.tool-page-dkim-checker .dk-find summary { cursor: pointer; color: #2459e0; font-weight: 650; }
.tool-page-dkim-checker .dk-find p { margin: 8px 0 0; color: #5c6b82; }
.tool-page-dkim-checker .dk-find pre {
  margin: 8px 0 0;
  padding: 12px 14px;
  overflow-x: auto;
  border-radius: 10px;
  background: #f4f7fb;
  color: #182b49;
  font-size: 13px;
  white-space: pre-wrap;
}
.tool-page-dkim-checker .dk-find mark { background: #dbe7ff; color: #182b49; }
.tool-page-dkim-checker .dk-query-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px 12px;
  align-items: center;
  margin-top: 12px;
  padding: 10px 16px;
  border-radius: 12px;
  background: #f4f7fb;
}
.tool-page-dkim-checker .dk-preview { margin: 0; color: #3e5a86; }
.tool-page-dkim-checker .dk-preview strong { color: #182b49; font-weight: 700; overflow-wrap: anywhere; }
.tool-page-dkim-checker .dk-clear {
  border: 1px solid #d5deee;
  border-radius: 999px;
  background: #fff;
  color: #2459e0;
  min-height: 32px;
  padding: 4px 12px;
}
.tool-page-dkim-checker .dk-examples,
.tool-page-dkim-checker .dk-example-note { grid-column: 1 / -1; margin: 0; color: #6e7d96; font-size: 13px; }
.tool-page-dkim-checker .dk-example {
  border: 0;
  border-radius: 999px;
  background: #e8eef8;
  color: #2459e0;
  margin-left: 6px;
  padding: 4px 10px;
  cursor: pointer;
}
.tool-page-dkim-checker .dk-empty { text-align: center; }
.tool-page-dkim-checker .dk-empty-icon {
  display: grid;
  place-items: center;
  width: 148px;
  height: 148px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: #e8f2ff;
  color: #2459e0;
}
.tool-page-dkim-checker .dk-empty h2 { margin: 0; color: #182b49; font-size: 30px; font-weight: 800; letter-spacing: -0.02em; }
.tool-page-dkim-checker .dk-empty > p:not(.dk-scope) { max-width: 46ch; margin: 8px auto 28px; color: #8b97ab; font-size: 16px; }
.tool-page-dkim-checker .dk-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 40px minmax(0, 1fr) 40px minmax(0, 1fr);
  align-items: start;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  text-align: center;
}
.tool-page-dkim-checker .dk-step-icon {
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  margin: 0 auto 10px;
  border-radius: 50%;
  background: #e8f2ff;
  color: #2459e0;
}
.tool-page-dkim-checker .dk-step-icon svg { width: 28px; height: 28px; }
.tool-page-dkim-checker .dk-steps strong { display: block; color: #182b49; }
.tool-page-dkim-checker .dk-steps strong span {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  margin-right: 6px;
  border-radius: 50%;
  background: #2459e0;
  color: #fff;
  font-size: 12px;
}
.tool-page-dkim-checker .dk-steps li > span:last-child { display: block; margin-top: 4px; color: #6e7d96; font-size: 14px; }
.tool-page-dkim-checker .dk-step-arrow { align-self: center; color: #b7c3d6; font-size: 22px; }
.tool-page-dkim-checker .dk-empty > p.dk-scope {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  width: 100%;
  margin: 28px 0 0;
  padding: 14px 18px;
  border-radius: 12px;
  background: #eef4ff;
  color: #3e5a86;
}
.dk-result {
  padding: 22px 24px 20px;
  border: 1px solid #e4ebf5;
  border-radius: 16px;
  background: #fff;
}
.dk-head { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; }
.dk-title-row { display: flex; gap: 14px; align-items: flex-start; min-width: 0; }
.dk-title-row > div { min-width: 0; flex: 1; }
.dk-title-row h2 { margin: 0; color: #182b49; font-size: 26px; font-weight: 800; letter-spacing: -0.02em; }
.dk-brand {
  position: relative;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  border-radius: 14px;
  background: #eef3ff;
  color: #2459e0;
}
.dk-sub { margin: 4px 0 0; color: #6e7d96; font-size: 14px; overflow-wrap: anywhere; }
.dk-head-side { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.dk-head-side time { color: #8b97ab; font-size: 13px; white-space: nowrap; }
.dk-share { display: inline-flex; align-items: center; gap: 6px; border: 1px solid #d5deee; border-radius: 10px; background: #fff; color: #2459e0; min-height: 38px; padding: 0 12px; }
.dk-share-box, .dk-share-expiry { margin: 10px 0 0; color: #34527f; overflow-wrap: anywhere; }
.dk-stale { margin: 12px 0 0; padding: 10px 12px; border-radius: 10px; background: #fff6e8; color: #7a4b00; }
.dk-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 18px; }
.dk-stat {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr);
  column-gap: 12px;
  align-items: center;
  min-width: 0;
  padding: 14px 16px;
  border: 1px solid #e6edf6;
  border-radius: 12px;
}
.dk-stat::before { content: ""; width: 10px; height: 10px; grid-row: 1 / span 2; border-radius: 50%; background: #c5cedb; }
.dk-stat.is-ok::before { background: #157a3a; }
.dk-stat.is-warn::before { background: #9a6700; }
.dk-stat.is-bad::before { background: #b42318; }
.dk-stat strong, .dk-stat span { display: block; }
.dk-stat strong { color: #182b49; font-size: 16px; }
.dk-stat span { margin-top: 2px; color: #6e7d96; font-size: 13px; }
.dk-stat.is-ok strong { color: #157a3a; }
.dk-stat.is-warn strong { color: #9a6700; }
.dk-stat.is-bad strong { color: #b42318; }
.dk-section { margin-top: 22px; }
.dk-section h3 { margin: 0 0 10px; color: #182b49; font-size: 16px; }
.dk-record-row { display: flex; align-items: flex-start; gap: 12px; padding: 8px 8px 8px 16px; border-radius: 12px; background: #f4f7fb; overflow: hidden; }
.dk-record { flex: 1; min-width: 0; margin: 0; padding: 8px 0; color: #182b49; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 14px; line-height: 1.45; white-space: pre-wrap; overflow-wrap: anywhere; }
.dk-record.is-clipped { max-height: 4.4em; overflow: hidden; }
.dk-copy, .dk-tool.is-primary { border: 0; border-radius: 10px; background: #2459e0; color: #fff; min-height: 40px; padding: 8px 14px; }
.dk-copy:hover, .dk-tool.is-primary:hover { background: #1d47b8; }
.dk-key-toggle { margin-top: 8px; border: 0; background: transparent; color: #2459e0; font-weight: 650; cursor: pointer; }
.dk-table-wrap { overflow-x: auto; border: 1px solid #e6edf6; border-radius: 12px; }
.dk-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.dk-table th { text-align: left; background: #f8fafc; color: #6e7d96; font-size: 13px; font-weight: 650; }
.dk-table th, .dk-table td { padding: 12px 14px; border-bottom: 1px solid #e6edf6; vertical-align: top; overflow-wrap: anywhere; }
.dk-table tr:last-child td { border-bottom: 0; }
.dk-table code { color: #182b49; font-weight: 700; }
.dk-note, .dk-meta p { margin: 8px 0 0; color: #5c6b82; overflow-wrap: anywhere; }
.dk-meta a { color: #2459e0; font-weight: 650; }
.dk-callout { display: flex; gap: 10px; margin-top: 14px; padding: 14px 16px; border-radius: 12px; background: #eef4ff; color: #34527f; }
.dk-acc { margin-top: 10px; border: 1px solid #e6edf6; border-radius: 12px; background: #fff; }
.dk-acc summary, .tool-page-dkim-checker .dk-faq summary {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}
.dk-acc summary::-webkit-details-marker,
.tool-page-dkim-checker .dk-faq summary::-webkit-details-marker { display: none; }
.dk-acc:not([open]) > :not(summary),
.tool-page-dkim-checker .dk-faq details:not([open]) > :not(summary) { display: none; }
.dk-acc[open] .dk-chevron { transform: rotate(180deg); }
.dk-acc pre { margin: 0; padding: 0 16px 14px; overflow-x: auto; white-space: pre-wrap; overflow-wrap: anywhere; font-size: 12px; }
.dk-toolrow { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.dk-tool { display: inline-flex; align-items: center; gap: 6px; border: 1px solid #d5deee; border-radius: 10px; background: #fff; color: #2459e0; min-height: 42px; padding: 0 12px; }
.tool-page-dkim-checker .dk-lower { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 28px; }
.tool-page-dkim-checker .dk-about, .tool-page-dkim-checker .dk-faq {
  min-width: 0;
  padding: 22px 24px;
  border: 1px solid #e4ebf5;
  border-radius: 16px;
  background: #fff;
}
.tool-page-dkim-checker button:focus-visible,
.tool-page-dkim-checker summary:focus-visible,
.tool-page-dkim-checker a:focus-visible {
  outline: 2px solid #2459e0;
  outline-offset: 2px;
}
.tool-page-dkim-checker .dk-about h2, .tool-page-dkim-checker .dk-faq h2 { display: flex; align-items: center; gap: 8px; margin: 0 0 10px; color: #182b49; font-size: 20px; }
.tool-page-dkim-checker .dk-hicon { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 8px; background: #eef3ff; color: #2459e0; }
.tool-page-dkim-checker .dk-about p, .tool-page-dkim-checker .dk-faq p { margin: 0; color: #5c6b82; }
.tool-page-dkim-checker .dk-faq details { margin-top: 8px; border: 1px solid #e6edf6; border-radius: 12px; background: #fff; }
.tool-page-dkim-checker .dk-faq details p { padding: 0 16px 14px; }
.tool-page-dkim-checker .dk-related { margin-top: 22px; }
.tool-page-dkim-checker .dk-related h2 { margin: 0 0 12px; }
.dk-rel-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.dk-rel { display: flex; align-items: center; gap: 12px; min-width: 0; padding: 16px; border: 1px solid #e6edf6; border-radius: 14px; background: #fff; color: inherit; text-decoration: none; }
.dk-rel-icon { display: grid; place-items: center; width: 40px; height: 40px; flex: 0 0 auto; border-radius: 12px; background: #eef3ff; color: #2459e0; }
.dk-rel-dmarc-checker .dk-rel-icon { background: #f3e8ff; color: #7a3ff2; }
.dk-rel-dns-lookup .dk-rel-icon { background: #e8f7ee; color: #157a3a; }
.dk-rel-copy { display: grid; gap: 2px; min-width: 0; }
.dk-rel-copy strong { color: #182b49; }
.dk-rel-copy span, .dk-rel-open { color: #6e7d96; font-size: 14px; }
.dk-rel-open { margin-left: auto; color: #2459e0; font-weight: 650; white-space: nowrap; }
.tool-page-dkim-checker .dk-loading { display: flex; align-items: center; gap: 10px; padding: 18px; }
.dk-loading-mark { width: 18px; height: 18px; border: 2px solid #d5deee; border-top-color: #2459e0; border-radius: 50%; animation: dk-spin 0.8s linear infinite; }
@keyframes dk-spin { to { transform: rotate(360deg); } }
@media (max-width: 900px) {
  .dk-stats, .tool-page-dkim-checker .dk-lower, .dk-rel-list { grid-template-columns: 1fr; }
  .tool-page-dkim-checker .dk-steps { grid-template-columns: 1fr; }
  .tool-page-dkim-checker .dk-step-arrow { transform: rotate(90deg); }
  .tool-page-dkim-checker .dk-empty-icon { width: 112px; height: 112px; }
}
@media (max-width: 720px) {
  .tools-container:has(.tool-page-dkim-checker) { width: min(1280px, calc(100% - 24px)); padding-left: 16px; padding-right: 16px; }
  .tool-page.tool-page-dkim-checker[data-family] .tool-form:has(#tool-selector) { grid-template-columns: 1fr; }
  .tool-page.tool-page-dkim-checker[data-family] .tool-form:has(#tool-selector) > .dk-domain,
  .tool-page.tool-page-dkim-checker[data-family] .tool-form:has(#tool-selector) > .dk-selector,
  .tool-page.tool-page-dkim-checker[data-family] .tool-form:has(#tool-selector) > .tool-submit-btn {
    grid-column: 1;
    grid-row: auto;
    width: 100%;
  }
  .dk-title-row h2 { font-size: 20px; line-height: 1.2; }
  .dk-head, .dk-head-side, .dk-record-row { flex-direction: column; align-items: stretch; }
  .dk-head-side time { white-space: normal; }
  .dk-copy { width: 100%; }
  .dk-table thead { display: none; }
  .dk-table, .dk-table tbody, .dk-table tr, .dk-table td { display: block; width: 100%; }
  .dk-table tr { margin-bottom: 10px; border: 1px solid #e4ebf5; border-radius: 12px; }
  .dk-table td { display: flex; justify-content: space-between; gap: 12px; }
  .dk-table td::before { content: attr(data-label); color: #5c6b82; font-weight: 650; }
}
@media (prefers-reduced-motion: reduce) {
  .dk-loading-mark { animation: none; }
}