/* SPF Checker. Scoped to this tool. */
.tools-container:has(.tool-page-spf-checker) {
  width: min(1280px, calc(100% - 32px));
  max-width: 1280px;
  padding-left: 28px;
  padding-right: 28px;
}
.tool-page.tool-page-spf-checker {
  width: 100%;
  max-width: none;
  overflow-x: clip;
}
.tool-page-spf-checker .tool-header {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  column-gap: 14px;
  align-items: center;
  margin-bottom: 18px;
}
.tool-page-spf-checker .spfc-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-spf-checker .tool-header h1 { grid-column: 2; grid-row: 1; margin: 0; }
.tool-page-spf-checker .tool-description { grid-column: 2; grid-row: 2; max-width: 68ch; margin: 4px 0 0; }
.tool-page-spf-checker .tf-back { grid-column: 3; grid-row: 1; justify-self: end; margin: 0; }
.tool-page-spf-checker .tool-content,
.tool-page-spf-checker .tool-input-panel,
.tool-page-spf-checker .tool-results,
.tool-page-spf-checker .tool-results-panel,
.tool-page-spf-checker .spfc-lower,
.tool-page-spf-checker .spfc-related { width: 100%; max-width: none; }
.tool-page-spf-checker .tool-content { align-items: stretch; gap: 16px; }
.tool-page-spf-checker .tool-input-panel .share-result-section { display: none; }
.tool-page-spf-checker .tool-results { min-height: 0; }
.tool-page-spf-checker .tool-input-panel {
  padding: 26px 28px;
  border: 1px solid #d5deee;
  border-radius: 16px;
  background: #fff;
}
.tool-page-spf-checker .spfc-form-title { margin: 0 0 16px; font-size: 22px; }
.tool-page.tool-page-spf-checker[data-family] .tool-form:has(#tool-input) {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px 14px;
  align-items: end;
}
.tool-page.tool-page-spf-checker[data-family] .tool-form:has(#tool-input) > .form-group,
.tool-page.tool-page-spf-checker[data-family] .tool-form:has(#tool-input) > .form-group:first-of-type {
  grid-column: 1;
  grid-row: 1;
  margin: 0;
}
.tool-page.tool-page-spf-checker[data-family] .tool-form:has(#tool-input) > .tool-submit-btn {
  grid-column: 2;
  grid-row: 1;
  height: 50px;
  min-width: 148px;
}
.tool-page.tool-page-spf-checker[data-family] .tool-form:has(#tool-input) > .spfc-help,
.tool-page.tool-page-spf-checker[data-family] .tool-form:has(#tool-input) > .spfc-query-box {
  grid-column: 1 / -1;
}
.tool-page-spf-checker .form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 650;
  letter-spacing: 0;
  text-transform: none;
}
.tool-page-spf-checker .spfc-input-wrap { position: relative; }
.tool-page-spf-checker .tool-input {
  width: 100%;
  height: 50px;
  padding: 0 42px 0 14px;
  border: 1px solid #d5deee;
  border-radius: 12px;
  background: #fff;
  color: #182b49;
}
.tool-page-spf-checker .spfc-input-clear {
  position: absolute;
  right: 10px;
  top: 11px;
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: #8b97ab;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}
.tool-page-spf-checker .tool-form.spfc-has-value .spfc-examples { display: none; }
.tool-page-spf-checker .tool-input:focus {
  outline: 2px solid #2459e0;
  outline-offset: 1px;
  border-color: #2459e0;
}
.tool-page-spf-checker .spfc-help,
.tool-page-spf-checker .spfc-preview { margin: 0; color: #5c6b82; font-size: 14px; }
.tool-page-spf-checker .spfc-preview strong { color: #182b49; font-weight: 700; }
.tool-page-spf-checker .spfc-error { margin: 8px 0 0; color: #b42318; font-size: 13px; }
.tool-page-spf-checker .spfc-query-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px 16px;
  margin-top: 4px;
  padding: 10px 16px;
  border-radius: 12px;
  background: #f4f7fb;
}
.tool-page-spf-checker .spfc-examples {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  grid-column: 1 / -1;
  margin: 0;
  color: #5c6b82;
}
.tool-page-spf-checker .spfc-example,
.tool-page-spf-checker .spfc-clear,
.spfc-tool,
.spfc-share,
.spfc-copy {
  border: 1px solid #d5deee;
  background: #fff;
  color: #2459e0;
  border-radius: 999px;
  min-height: 32px;
  padding: 4px 12px;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}
.tool-page-spf-checker .spfc-example:hover,
.tool-page-spf-checker .spfc-clear:hover,
.spfc-tool:hover,
.spfc-share:hover,
.spfc-copy:hover { background: #f3f7ff; }
.tool-page-spf-checker .spfc-example:focus-visible,
.tool-page-spf-checker .spfc-clear:focus-visible,
.spfc-tool:focus-visible,
.spfc-share:focus-visible,
.spfc-copy:focus-visible,
.spfc-acc summary:focus-visible { outline: 2px solid #2459e0; outline-offset: 2px; }
.tool-page-spf-checker .tool-results-panel {
  min-height: 0;
  padding: 0;
  border: 0;
  background: transparent;
}
.tool-page-spf-checker .tool-results-panel:has(.spfc-empty) {
  padding: 36px 40px 32px;
  border: 1px solid #d5deee;
  border-radius: 16px;
  background: #fff;
}
.tool-page-spf-checker .spfc-empty {
  padding: 4px 0 0;
  text-align: center;
}
.tool-page-spf-checker .spfc-empty-icon {
  display: grid;
  place-items: center;
  width: 148px;
  height: 148px;
  margin: 0 auto 22px;
  border-radius: 50%;
  background: #e8f2ff;
  color: #2459e0;
}
.tool-page-spf-checker .spfc-empty h2 {
  margin: 0 0 10px;
  color: #182b49;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.tool-page-spf-checker .spfc-empty > p:not(.spfc-scope) {
  margin: 0 auto 40px;
  max-width: none;
  color: #8b97ab;
  font-size: 16px;
}
.tool-page-spf-checker .spfc-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 40px minmax(0, 1.2fr) 40px minmax(0, 1.08fr);
  align-items: start;
  gap: 0 8px;
  width: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
  text-align: left;
}
.tool-page-spf-checker .spfc-steps > li:not(.spfc-step-arrow) {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-width: 0;
  max-width: none;
}
.tool-page-spf-checker .spfc-step-num {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #2459e0;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
}
.tool-page-spf-checker .spfc-steps strong {
  display: block;
  color: #182b49;
  font-size: 16px;
  font-weight: 700;
  line-height: 40px;
}
.tool-page-spf-checker .spfc-steps li div span {
  display: block;
  margin-top: 2px;
  color: #6e7d96;
  font-size: 14.5px;
  line-height: 1.45;
}
.tool-page-spf-checker .spfc-step-arrow {
  align-self: start;
  display: grid;
  height: 40px;
  place-items: center;
  color: #b7c3d6;
  font-size: 22px;
  line-height: 1;
}
.tool-page-spf-checker .spfc-empty > p.spfc-scope {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  width: 100%;
  max-width: none;
  margin: 36px 0 0;
  padding: 14px 18px;
  border-radius: 12px;
  background: #eef4ff;
  color: #3e5a86;
  font-size: 15px;
  line-height: 1.4;
  text-align: center;
  box-sizing: border-box;
}
.tool-page-spf-checker .spfc-scope svg { flex: 0 0 auto; color: #2459e0; }
.spfc-result {
  padding: 22px 24px 20px;
  border: 1px solid #e4ebf5;
  border-radius: 16px;
  background: #fff;
}
.spfc-head, .spfc-toolrow {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}
.spfc-title-row { display: flex; gap: 14px; align-items: flex-start; min-width: 0; }
.spfc-title-row h2 { margin: 0; color: #182b49; font-size: 26px; font-weight: 800; letter-spacing: -0.02em; }
.spfc-brand {
  position: relative;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  border-radius: 14px;
  background: #eef3ff;
  color: #2459e0;
}
.spfc-badge {
  position: absolute;
  right: -2px;
  bottom: -2px;
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border: 2px solid #fff;
  border-radius: 50%;
  background: #12b76a;
  color: #fff;
}
.spfc-result.is-issues .spfc-badge,
.spfc-result.is-multiple .spfc-badge,
.spfc-result.is-incomplete .spfc-badge { background: #f79009; }
.spfc-result.is-not_found .spfc-badge { background: #98a6bb; }
.spfc-sub { margin: 4px 0 0; color: #6e7d96; font-size: 14px; }
.spfc-head-side { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.spfc-head-side time { color: #8b97ab; font-size: 13px; white-space: nowrap; }
.spfc-share { display: inline-flex; align-items: center; gap: 6px; border-radius: 10px; min-height: 38px; }
.spfc-share-box, .spfc-share-expiry { margin: 10px 0 0; color: #34527f; overflow-wrap: anywhere; }
.spfc-stale {
  margin: 12px 0 0;
  padding: 10px 12px;
  border-radius: 10px;
  background: #fff6e8;
  color: #7a4b00;
}
.spfc-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}
.spfc-stat {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  padding: 14px 16px;
  border: 1px solid #e6edf6;
  border-radius: 12px;
  background: #fff;
}
.spfc-stat-icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  border-radius: 10px;
  background: #f3f6fb;
  color: #5c6b82;
}
.spfc-stat-copy { min-width: 0; }
.spfc-stat-copy strong, .spfc-stat-copy span { display: block; }
.spfc-stat-copy strong { color: #182b49; font-size: 18px; font-weight: 800; line-height: 1.2; }
.spfc-stat-copy span { margin-top: 2px; color: #6e7d96; font-size: 13px; }
.spfc-stat.is-ok .spfc-stat-icon { background: #e8f7ee; color: #157a3a; }
.spfc-stat.is-ok strong { color: #157a3a; }
.spfc-stat.is-warn .spfc-stat-icon { background: #fff6e8; color: #9a6700; }
.spfc-stat.is-warn strong { color: #9a6700; }
.spfc-record-block, .spfc-section { margin-top: 22px; }
.spfc-record-block h3, .spfc-section h3, .spfc-lookup strong { margin: 0; color: #182b49; font-size: 16px; }
.spfc-record-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
  padding: 8px 8px 8px 16px;
  border-radius: 12px;
  background: #f4f7fb;
}
.spfc-record {
  flex: 1;
  min-width: 0;
  margin: 0;
  padding: 8px 0;
  background: transparent;
  color: #182b49;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 14px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.spfc-copy {
  border: 0;
  border-radius: 10px;
  background: #2459e0;
  color: #fff;
  min-height: 40px;
  padding: 8px 14px;
  white-space: nowrap;
}
.spfc-copy:hover { background: #1d47b8; }
.spfc-callout {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-top: 12px;
  padding: 14px 16px;
  border-radius: 12px;
  background: #eef4ff;
  color: #34527f;
}
.spfc-callout strong { color: #2459e0; }
.spfc-callout p, .spfc-note, .spfc-lookup p { margin: 4px 0 0; color: #5c6b82; }
.spfc-table-wrap { margin-top: 10px; overflow-x: auto; border: 1px solid #e6edf6; border-radius: 12px; }
.spfc-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.spfc-table th { text-align: left; background: #f8fafc; color: #6e7d96; font-size: 13px; font-weight: 650; }
.spfc-table th, .spfc-table td { padding: 12px 14px; border-bottom: 1px solid #e6edf6; vertical-align: middle; }
.spfc-table tr:last-child td { border-bottom: 0; }
.spfc-table code { color: #182b49; font-weight: 700; overflow-wrap: anywhere; }
.spfc-note { font-size: 13px; }
.spfc-lookup {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-top: 16px;
  padding: 14px 16px;
  border: 1px solid #e6edf6;
  border-radius: 12px;
  background: #f8fafc;
}
.spfc-lookup-icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  border-radius: 10px;
  background: #eef3ff;
  color: #2459e0;
}
.spfc-acc { margin-top: 10px; border: 1px solid #e6edf6; border-radius: 12px; background: #fff; }
.spfc-acc summary, .tool-page-spf-checker .spfc-faq summary {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}
.spfc-acc-main { display: inline-flex; align-items: center; gap: 10px; color: #182b49; }
.spfc-acc-main svg { color: #2459e0; }
.spfc-chevron { color: #8b97ab; transition: transform 0.15s ease; }
.spfc-acc[open] .spfc-chevron { transform: rotate(180deg); }
.spfc-acc summary::-webkit-details-marker,
.tool-page-spf-checker .spfc-faq summary::-webkit-details-marker { display: none; }
.spfc-acc:not([open]) > :not(summary),
.tool-page-spf-checker .spfc-faq details:not([open]) > :not(summary) { display: none; }
.spfc-acc pre, .spfc-tree { margin: 0; padding: 0 16px 14px; overflow-x: auto; white-space: pre-wrap; overflow-wrap: anywhere; font-size: 12px; }
.spfc-finding { margin-top: 10px; }
.spfc-finding p { margin: 4px 0 0; color: #5c6b82; }
.spfc-toolrow { margin-top: 16px; flex-wrap: wrap; align-items: center; justify-content: flex-start; gap: 10px; }
.spfc-tool { display: inline-flex; align-items: center; gap: 6px; border-radius: 10px; min-height: 42px; }
.spfc-tool.is-primary { border-color: #2459e0; background: #2459e0; color: #fff; }
.spfc-tool.is-primary:hover { background: #1d47b8; }
.spfc-live { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.tool-page-spf-checker .spfc-lower {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 28px;
  align-items: start;
}
.tool-page-spf-checker .spfc-about h2,
.tool-page-spf-checker .spfc-faq h2,
.tool-page-spf-checker .spfc-related h2 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  color: #182b49;
  font-size: 20px;
}
.spfc-hicon {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: #eef3ff;
  color: #2459e0;
}
.tool-page-spf-checker .spfc-about p,
.tool-page-spf-checker .spfc-faq p { margin: 0; color: #5c6b82; }
.tool-page-spf-checker .spfc-faq details {
  border: 1px solid #e6edf6;
  border-radius: 12px;
  background: #fff;
}
.tool-page-spf-checker .spfc-faq details + details { margin-top: 8px; }
.tool-page-spf-checker .spfc-faq summary { padding: 14px 16px; }
.tool-page-spf-checker .spfc-faq details p { padding: 0 16px 14px; }
.tool-page-spf-checker .spfc-related { margin-top: 22px; padding-bottom: 0; }
.spfc-rel-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.spfc-rel {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid #e6edf6;
  border-radius: 14px;
  background: #fff;
  color: inherit;
  text-decoration: none;
}
.spfc-rel-icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  border-radius: 12px;
  background: #eef3ff;
  color: #2459e0;
}
.spfc-rel-dkim-checker .spfc-rel-icon { background: #f3e8ff; color: #7a3ff2; }
.spfc-rel-dmarc-checker .spfc-rel-icon { background: #e8f7ee; color: #157a3a; }
.spfc-rel-dns-lookup .spfc-rel-icon { background: #eef3ff; color: #2459e0; }
.spfc-rel-copy { display: grid; gap: 2px; min-width: 0; }
.spfc-rel-copy strong { color: #182b49; font-size: 16px; }
.spfc-rel-copy span { color: #6e7d96; font-size: 14px; }
.spfc-rel-arrow { margin-left: auto; color: #98a6bb; font-size: 18px; }
.tool-page-spf-checker .spfc-loading {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px;
  color: #5c6b82;
}
.tool-page-spf-checker .spfc-loading-mark {
  width: 16px;
  height: 16px;
  border: 2px solid #d5deee;
  border-top-color: #2459e0;
  border-radius: 50%;
  animation: spfc-spin 0.8s linear infinite;
}
@keyframes spfc-spin { to { transform: rotate(360deg); } }
@media (max-width: 900px) {
  .spfc-stats { grid-template-columns: 1fr 1fr; }
  .tool-page-spf-checker .spfc-lower { grid-template-columns: 1fr; }
  .spfc-rel-list { grid-template-columns: 1fr; }
  .tool-page-spf-checker .tool-results-panel:has(.spfc-empty) { padding: 28px 20px 22px; }
  .tool-page-spf-checker .spfc-empty-icon { width: 112px; height: 112px; }
  .tool-page-spf-checker .spfc-empty-icon svg { width: 56px; height: 56px; }
  .tool-page-spf-checker .spfc-steps {
    grid-template-columns: 1fr;
    justify-items: start;
    gap: 8px;
  }
  .tool-page-spf-checker .spfc-step-arrow {
    height: 28px;
    transform: rotate(90deg);
    margin-left: 6px;
  }
  .tool-page-spf-checker .spfc-empty > p.spfc-scope { justify-content: flex-start; text-align: left; }
}
@media (max-width: 720px) {
  .tools-container:has(.tool-page-spf-checker) {
    width: min(1280px, calc(100% - 24px));
    padding-left: 16px;
    padding-right: 16px;
  }
  .tool-page-spf-checker .tool-header { grid-template-columns: auto minmax(0, 1fr); }
  .tool-page-spf-checker .tf-back { grid-column: 1 / -1; grid-row: 3; justify-self: start; }
  .tool-page.tool-page-spf-checker[data-family] .tool-form:has(#tool-input) {
    grid-template-columns: 1fr;
  }
  .tool-page.tool-page-spf-checker[data-family] .tool-form:has(#tool-input) > .form-group,
  .tool-page.tool-page-spf-checker[data-family] .tool-form:has(#tool-input) > .tool-submit-btn {
    grid-column: 1;
    grid-row: auto;
    width: 100%;
  }
  .tool-page-spf-checker .spfc-form-foot,
  .spfc-head,
  .spfc-head-side { flex-direction: column; align-items: stretch; }
  .spfc-stats, .tool-page-spf-checker .spfc-lower { grid-template-columns: 1fr; }
  .spfc-head, .spfc-record-row, .spfc-head-side { flex-direction: column; align-items: stretch; }
  .spfc-head-side time { white-space: normal; }
  .spfc-title-row h2 { font-size: 22px; }
  .spfc-copy { width: 100%; }
  .spfc-table thead { display: none; }
  .spfc-table, .spfc-table tbody, .spfc-table tr, .spfc-table td { display: block; width: 100%; }
  .spfc-table tr { margin-bottom: 10px; border: 1px solid #e4ebf5; border-radius: 12px; }
  .spfc-table td { display: flex; justify-content: space-between; gap: 12px; }
  .spfc-table td::before { content: attr(data-label); color: #5c6b82; font-weight: 650; }
}
@media (prefers-reduced-motion: reduce) {
  .tool-page-spf-checker .spfc-loading-mark { animation: none; }
}