:root {
  --ink: #141b2b;
  --muted: #667085;
  --blue: #1764ff;
  --line: #e1e6ee;
  --surface: #f5f7fa;
  --dark: #101a2b;
  --radius: 18px;
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.55;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--surface);
}
button,
input,
select,
textarea {
  font: inherit;
}
button,
a,
input,
select,
textarea {
  -webkit-tap-highlight-color: transparent;
}
a {
  color: var(--blue);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
button {
  cursor: pointer;
}
button:disabled {
  opacity: 0.6;
  cursor: wait;
}
input,
select,
textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: white;
  color: var(--ink);
  min-height: 48px;
}
textarea {
  resize: vertical;
}
input:focus,
select:focus,
textarea:focus {
  outline: 2px solid #1764ff55;
  border-color: var(--blue);
}
:focus-visible {
  outline: 3px solid #83b1ff;
  outline-offset: 3px;
}
label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 17px;
}
label input,
label select,
label textarea {
  margin-top: 7px;
}
label small {
  display: block;
  color: var(--muted);
  margin-top: 6px;
  font-weight: 400;
}
.checkbox {
  display: flex;
  gap: 9px;
  align-items: center;
  flex-wrap: wrap;
}
.checkbox input {
  width: 19px;
  min-height: 19px;
  height: 19px;
  margin: 0;
  accent-color: var(--blue);
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1 {
  font-size: clamp(2.25rem, 4.5vw, 4.15rem);
  letter-spacing: -0.055em;
  line-height: 1.1;
  margin-bottom: 22px;
  font-weight: 750;
}
h1 > span {
  color: var(--blue);
}
h2 {
  font-size: 1.55rem;
  letter-spacing: -0.035em;
  line-height: 1.25;
}
h3 {
  font-size: 1.2rem;
  letter-spacing: -0.025em;
  line-height: 1.35;
}
p {
  color: var(--muted);
}
.sidebar {
  width: 248px;
  position: fixed;
  inset: 0 auto 0 0;
  background: var(--dark);
  color: #fff;
  padding: 32px 23px 24px;
  display: flex;
  flex-direction: column;
  z-index: 30;
}
.brand {
  display: flex;
  gap: 11px;
  align-items: center;
  color: inherit;
  font-size: 1.75rem;
  font-weight: 750;
  letter-spacing: -0.045em;
  text-decoration: none !important;
}
.brand-light {
  font-weight: 400;
}
.brand small {
  display: block;
  font-size: 0.6rem;
  letter-spacing: 0.11em;
  color: #8b9ab2;
  margin-top: 0;
}
.brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  background: var(--blue);
  color: white;
  border-radius: 13px;
  font-size: 2rem;
  line-height: 1;
}
.brand-icon span {
  color: #afceff;
}
.nav-label {
  font-size: 0.7rem;
  color: #7f91ac;
  letter-spacing: 0.13em;
  margin: 54px 10px 18px;
}
.sidebar nav {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.sidebar nav a {
  color: #a8b4c7;
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 13px 13px;
  border-radius: 10px;
  font-size: 0.91rem;
  font-weight: 500;
  text-decoration: none;
}
.sidebar nav a > span {
  font-size: 1.3rem;
  width: 21px;
  text-align: center;
  color: #8193ad;
}
.sidebar nav a.active {
  background: #243b60;
  color: white;
}
.sidebar nav a.active > span {
  color: #7eafff;
}
.sidebar nav a:hover {
  background: #1c2c45;
  color: white;
}
.sidebar nav small {
  margin-left: auto;
  padding: 0 7px;
  background: #354c6b;
  border-radius: 5px;
  color: #cadcf4;
}
.sidebar-note {
  margin-top: 40px;
  border: 1px solid #2b3a51;
  border-radius: 14px;
  padding: 17px;
}
.sidebar-note strong {
  font-size: 0.9rem;
  display: block;
  margin: 13px 0 8px;
}
.sidebar-note p {
  font-size: 0.8rem;
  color: #8395ae;
  margin-bottom: 14px;
}
.sidebar-note a {
  font-size: 0.8rem;
  color: #8db9ff;
}
.mini-grid {
  display: flex;
  gap: 7px;
}
.mini-grid b {
  color: #9cc4ff;
  border: 1px solid #41587b;
  font-size: 0.85rem;
  padding: 4px 8px;
  border-radius: 6px;
}
.sidebar-bottom {
  margin-top: auto;
  padding-top: 25px;
  font-size: 0.72rem;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  color: #8091a9;
}
.sidebar-bottom span {
  flex-basis: 100%;
}
.sidebar-bottom a {
  color: #8091a9;
}
.shell {
  margin-left: 248px;
}
.topbar {
  height: 87px;
  padding: 0 48px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #fff;
}
.breadcrumbs {
  font-size: 0.81rem;
  color: var(--muted);
}
.breadcrumbs span {
  color: #bec6d1;
  padding: 0 15px;
}
.top-actions {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 0.875rem;
}
.search-link {
  color: #7b8596;
}
.login-link {
  font-weight: 600;
  color: var(--ink);
}
.login-link span {
  margin-left: 10px;
}
.account-link {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
}
.avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #e3ecff;
  color: var(--blue);
  font-weight: 700;
}
.menu-toggle {
  display: none;
}
main {
  max-width: 1460px;
  margin: 0 auto;
  padding: 44px 48px 0;
}
.eyebrow,
.kicker {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  font-weight: 700;
  color: var(--muted);
  display: block;
}
.eyebrow {
  margin-bottom: 25px;
  display: flex;
  gap: 9px;
  align-items: center;
}
.eyebrow-line {
  width: 22px;
  height: 2px;
  background: var(--blue);
}
.intro {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 36px;
}
.intro h1 {
  margin-bottom: 18px;
}
.intro p {
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 0;
}
.intro-stamp {
  padding: 15px 0 15px 22px;
  border-left: 1px solid #d5ddea;
  width: 180px;
  margin-right: 30px;
}
.intro-stamp > span {
  font-size: 4.25rem;
  line-height: 1.2;
  letter-spacing: -0.07em;
  font-weight: 750;
  color: #d4deed;
}
.intro-stamp strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 550;
  line-height: 1.5;
  color: #718096;
}
.intro-stamp small {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.13em;
  margin-top: 14px;
  color: #8b97a9;
}
.check-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 28px;
  box-shadow: 0 8px 24px #152a4a04;
  margin-bottom: 28px;
}
.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}
.section-heading h2 {
  margin: 6px 0 0;
  font-size: 1.3rem;
}
.section-heading > a {
  font-size: 0.84rem;
  font-weight: 600;
}
.section-heading form {
  display: inline-flex;
}
.tag {
  font-size: 0.72rem;
  display: inline-block;
  padding: 5px 9px;
  background: #eff4ff;
  color: #3863a2;
  border-radius: 6px;
  white-space: nowrap;
}
.check-form {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}
.domain-input {
  flex: 1;
  min-width: 220px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
}
.domain-input span {
  font-size: 1.8rem;
  color: #8391a5;
}
.domain-input input {
  border: 0;
  background: transparent;
  padding: 14px 0;
  outline: none;
  min-width: 0;
  font-size: 0.91rem;
}
.check-form select {
  width: 170px;
  font-size: 0.85rem;
  background: var(--surface);
  height: 55px;
}
.check-form select[name="type"] {
  width: 83px;
}
.selector-field {
  width: 145px;
  margin: 0;
  font-size: 0.75rem;
}
.selector-field input {
  margin-top: 0;
  height: 32px;
  min-height: 32px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 20px;
  border-radius: 10px;
  min-height: 48px;
  font-size: 0.875rem;
  font-weight: 650;
  border: 1px solid transparent;
  gap: 8px;
  text-decoration: none !important;
  transition:
    background 0.2s,
    transform 0.2s;
}
.button:hover {
  transform: translateY(-1px);
}
.primary {
  background: var(--blue);
  color: white;
  box-shadow: 0 4px 12px #1764ff22;
}
.primary:hover {
  background: #0754e8;
}
.outline {
  background: transparent;
  border-color: #d8e0ed;
  color: #1c345a;
}
.danger {
  background: #be3041;
  color: #fff;
}
.full {
  width: 100%;
}
.check-footer {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 15px;
  font-size: 0.74rem;
  color: #8791a3;
}
.check-footer a {
  font-weight: 600;
}
.home-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 17px;
  margin: 26px 0 38px;
}
.feature-card {
  border-radius: 16px;
  padding: 25px 25px 20px;
  display: flex;
  flex-direction: column;
  min-height: 316px;
  color: inherit;
  text-decoration: none !important;
  transition: transform 0.2s;
}
.feature-card:hover {
  transform: translateY(-4px);
}
.feature-dark {
  background: #13223a;
  color: #fff;
}
.feature-blue {
  background: #1764ff;
  color: #fff;
}
.feature-light {
  background: #e9eef6;
  border: 1px solid #dde5f0;
}
.card-number {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  opacity: 0.65;
  font-weight: 650;
}
.feature-card h2 {
  font-size: 1.35rem;
  letter-spacing: -0.035em;
  margin-bottom: 12px;
}
.feature-card p {
  font-size: 0.85rem;
  color: inherit;
  opacity: 0.7;
  line-height: 1.65;
  margin-bottom: 24px;
}
.card-bottom {
  border-top: 1px solid #ffffff28;
  padding-top: 16px;
  font-size: 0.77rem;
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  font-weight: 600;
}
.feature-light .card-bottom {
  border-color: #cbd6e6;
}
.record-pills {
  display: flex;
  gap: 8px;
  margin: 26px 0;
}
.record-pills b {
  padding: 4px 13px;
  border-radius: 8px;
  background: #294166;
  color: #bcd8ff;
  font-size: 1.7rem;
  letter-spacing: -0.03em;
}
.mail-glyph {
  font-size: 3.1rem;
  line-height: 1;
  font-weight: 600;
  margin: 21px 0 20px;
}
.mail-glyph small {
  font-size: 0.64rem;
  display: block;
  letter-spacing: 0.08em;
  margin-top: 9px;
  color: #a4c7ff;
}
.resolver-glyph {
  font-size: 2.15rem;
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -0.05em;
  margin: 27px 0 22px;
  color: #1c3152;
}
.resolver-glyph small {
  font-size: 0.88rem;
  display: block;
  letter-spacing: -0.02em;
  font-weight: 500;
  color: #7f8fab;
}
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 17px;
}
.article-card {
  display: block;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 23px;
  text-decoration: none !important;
  color: var(--ink);
  transition:
    border 0.2s,
    transform 0.2s;
}
.article-card:hover {
  border-color: #91b8ff;
  transform: translateY(-2px);
}
.article-card > div {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.category {
  font-size: 0.7rem;
  color: #3168ac;
  background: #edf4ff;
  border-radius: 5px;
  padding: 4px 8px;
  display: inline-block;
}
.lesson-index {
  font-size: 1.25rem;
  letter-spacing: -0.04em;
  color: #c4cddd;
}
.article-card h3 {
  margin: 21px 0 10px;
}
.article-card p {
  font-size: 0.85rem;
  line-height: 1.65;
}
.read-label {
  display: block;
  color: #8090a6;
  font-size: 0.72rem;
  margin-top: 22px;
}
.project-banner {
  display: flex;
  justify-content: space-between;
  gap: 25px;
  align-items: center;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 28px 0;
  margin: 36px 0;
}
.project-banner h2 {
  font-size: 1.45rem;
  margin: 8px 0 10px;
}
.project-banner p {
  font-size: 0.875rem;
  margin: 0;
  max-width: 600px;
}
.project-banner .button {
  white-space: nowrap;
}
.footer {
  margin-top: 55px;
  padding: 29px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line);
}
.footer-brand {
  color: #6c7d96;
  letter-spacing: -0.04em;
  font-size: 1.2rem;
}
.footer-brand span {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0;
  color: #92a0b4;
  margin-top: 5px;
}
.footer > div {
  display: flex;
  gap: 16px;
  font-size: 0.7rem;
  color: #929cad;
  flex-wrap: wrap;
}
.footer a {
  color: #7889a0;
}
.lead {
  max-width: 760px;
  font-size: 1.05rem;
  margin-bottom: 30px;
}
.filterbar {
  display: flex;
  gap: 14px;
  align-items: center;
  margin: 25px 0;
}
.filterbar select {
  width: 210px;
}
.search-box {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  margin: 0;
  padding: 0 17px;
  flex: 1;
}
.search-box input {
  border: 0;
  background: transparent;
  margin: 0;
}
.record-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 30px 0 22px;
}
.record-tabs button,
.quiz-options button {
  border: 1px solid var(--line);
  background: white;
  border-radius: 10px;
  font-weight: 650;
  padding: 13px 21px;
  color: #6d7d94;
}
.record-tabs button.selected {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}
.record-panel {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 32px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 18px;
  padding: 34px;
  margin-bottom: 24px;
}
.record-big {
  font-size: 3.5rem;
  letter-spacing: -0.06em;
  font-weight: 750;
  background: #eaf1ff;
  color: var(--blue);
  border-radius: 18px;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.record-panel h2 {
  font-size: 2rem;
  margin: 9px 0 16px;
}
.analogy {
  font-size: 1.15rem;
  color: #2c456c;
}
.panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 27px;
  margin-bottom: 24px;
}
.panel h2 {
  margin-bottom: 21px;
}
.code-line {
  background: #101c31;
  color: #c4dbff;
  padding: 16px;
  border-radius: 10px;
  display: flex;
  gap: 15px;
  align-items: center;
  justify-content: space-between;
  margin: 22px 0;
  overflow-wrap: anywhere;
}
.code-line code {
  font-size: 0.88rem;
}
.copy-button {
  color: #bdd4ff;
  background: #263b60;
  border: 0;
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 0.73rem;
}
.alert {
  padding: 15px 18px;
  background: #edf4ff;
  border: 1px solid #d7e5ff;
  border-radius: 10px;
  color: #36527b;
  font-size: 0.88rem;
  margin-bottom: 22px;
  line-height: 1.65;
}
.alert.bad {
  background: #fff0f1;
  border-color: #f0c5cb;
  color: #a02c40;
}
.alert.warn {
  background: #fff7e8;
  border-color: #eddec0;
  color: #8c622d;
}
.alert.good {
  background: #eaf8f0;
  border-color: #ccead8;
  color: #25744b;
}
.quiz-options {
  display: flex;
  gap: 10px;
}
.quiz-options button:hover {
  border-color: var(--blue);
}
.reading {
  max-width: 820px;
  margin: 0 auto;
}
.reading h1 {
  font-size: clamp(2.25rem, 4vw, 3.4rem);
  margin-top: 24px;
}
.reading .back-link {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 22px;
}
.article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #8190a6;
  font-size: 0.8rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 13px 0;
  margin: 28px 0 34px;
  gap: 15px;
}
.reading-body h2 {
  margin-top: 32px;
  font-size: 1.6rem;
}
.reading-body p {
  color: #42536c;
  font-size: 1.05rem;
  line-height: 1.9;
  overflow-wrap: anywhere;
}
.text-button {
  border: 0;
  background: transparent;
  color: var(--blue);
  padding: 5px 0;
  font-size: 0.85rem;
}
.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 17px;
}
.tool-card {
  padding: 25px;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: white;
}
.tool-card h3 {
  margin-top: 20px;
}
.tool-card p {
  font-size: 0.875rem;
}
.tool-card > span:last-child {
  color: var(--blue);
  font-size: 0.8rem;
}
.tool-card:hover {
  border-color: var(--blue);
}
.result-heading {
  margin: 24px 0 13px;
  display: flex;
  justify-content: space-between;
  gap: 15px;
  align-items: center;
}
.result-heading h3 {
  margin: 0;
}
.result-heading button {
  font-size: 0.75rem;
}
.result-section {
  margin: 20px 0;
}
.result-section h3 {
  margin-bottom: 12px;
}
.result-section p {
  font-size: 0.88rem;
}
.table-scroll {
  overflow: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  text-align: left;
}
td,
th {
  padding: 13px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
th {
  color: #7b8da6;
  font-size: 0.72rem;
  background: #f6f8fb;
  font-weight: 600;
}
td code {
  overflow-wrap: anywhere;
  word-break: break-word;
}
pre {
  background: #101c31;
  color: #c8dcff;
  border-radius: 10px;
  padding: 18px;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.82rem;
  max-height: 500px;
  overflow: auto;
}
.resolver-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  align-items: start;
}
.resolver-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 25px;
}
.resolver-heading {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 20px;
}
.resolver-heading h2 {
  margin: 0;
  font-size: 1.4rem;
}
.resolver-heading > div > span {
  font-size: 0.8rem;
  color: var(--muted);
}
.provider-mark {
  width: 45px;
  height: 45px;
  border-radius: 12px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 700;
  background: #eaf1ff;
  color: #1865fc;
}
.provider-mark.orange {
  background: #fff0e3;
  color: #c66a1b;
}
.provider-mark.purple {
  background: #f0e8ff;
  color: #8454c4;
}
.provider-mark.green {
  background: #e7f7ef;
  color: #308d62;
}
.provider-mark.yellow {
  background: #fff7de;
  color: #a88a20;
}
.resolver-profile {
  border-top: 1px solid var(--line);
  padding: 17px 0;
}
.resolver-profile > div:first-child {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}
.resolver-profile strong {
  font-size: 0.9rem;
}
.filter-tag {
  font-size: 0.68rem;
  color: #617a9b;
  background: #eef3fa;
  padding: 4px 7px;
  border-radius: 5px;
  text-align: right;
  max-width: 62%;
}
.ip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.ip-row button {
  border: 1px solid #e0e7f1;
  background: #f7f9fc;
  padding: 8px 11px;
  border-radius: 7px;
  color: #29405f;
  display: flex;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
}
.ip-row button span {
  font-size: 0.8rem;
  color: #8699b6;
}
details {
  margin: 15px 0;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}
summary {
  font-size: 0.88rem;
  color: #49658b;
  cursor: pointer;
  line-height: 1.6;
}
details > form {
  margin-top: 20px;
}
.resolver-profile summary {
  font-size: 0.76rem;
}
.endpoint {
  margin: 12px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  align-items: center;
}
.endpoint > span {
  display: block;
  flex-basis: 100%;
  font-size: 0.73rem;
  color: #8190a6;
}
.endpoint code,
.small-code code {
  font-size: 0.8rem;
  overflow-wrap: anywhere;
  flex: 1;
  min-width: 0;
}
.endpoint button,
.small-code button {
  color: var(--blue);
  font-size: 0.7rem;
  border: 0;
  background: #eff4ff;
  padding: 4px 7px;
  border-radius: 4px;
}
.small-code {
  display: flex;
  gap: 9px;
  margin: 10px 0;
}
.source-link {
  font-size: 0.75rem;
  font-weight: 600;
}
.resolver-note {
  font-size: 0.8rem;
  background: #fff7e8;
  padding: 11px;
  border-radius: 7px;
}
.workshop-layout {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 25px;
  align-items: start;
}
.empty-config {
  min-height: 290px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}
.empty-config > span {
  font-size: 4rem;
  color: #bdcce3;
}
.empty-config p {
  font-size: 0.9rem;
}
.config-output {
  position: sticky;
  top: 25px;
}
.auth-layout {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 55px;
  align-items: center;
  min-height: 650px;
}
.auth-brand h1 {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
}
.auth-brand p {
  max-width: 410px;
}
.auth-card {
  padding: 36px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 20px;
  max-width: 460px;
  width: 100%;
}
.auth-card h2 {
  font-size: 1.8rem;
  margin: 10px 0 25px;
}
.auth-card > a {
  display: inline-block;
  margin-top: 20px;
  font-size: 0.85rem;
}
.auth-card > p {
  font-size: 0.85rem;
  margin-top: 24px;
}
.auth-records {
  display: flex;
  gap: 14px;
  margin-top: 40px;
}
.auth-records > span {
  padding: 12px 18px;
  border: 1px solid #cfdbed;
  border-radius: 12px;
  color: #5377b1;
  font-size: 1.4rem;
  font-weight: 650;
}
.account-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}
.profile-email {
  font-size: 0.875rem;
  overflow-wrap: anywhere;
}
.muted {
  font-size: 0.8rem;
}
.list-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.875rem;
  overflow-wrap: anywhere;
}
.session-row {
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}
.session-row strong {
  font-size: 0.8rem;
  display: block;
  overflow-wrap: anywhere;
}
.session-row small {
  display: block;
  color: #8493a7;
  font-size: 0.75rem;
}
.spaced {
  margin-top: 35px;
}
.empty-text {
  font-size: 0.9rem;
  color: #8393a9;
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.stat-grid strong {
  font-size: 2.5rem;
  display: block;
  color: var(--blue);
}
.stat-grid span {
  font-size: 0.85rem;
  color: var(--muted);
}
.setup-body {
  background: #101a2b;
  padding: 50px 20px;
}
.setup-card {
  max-width: 620px;
  padding: 35px;
  background: white;
  border-radius: 20px;
  margin: auto;
}
.setup-card .brand {
  margin-bottom: 35px;
}
.setup-card h1 {
  font-size: 2.5rem;
}
.setup-card > p {
  font-size: 0.9rem;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}
.skip {
  position: absolute;
  left: 300px;
  top: -60px;
  background: white;
  padding: 12px;
  z-index: 100;
}
.skip:focus {
  top: 10px;
}
#toast {
  position: fixed;
  bottom: 25px;
  left: 50%;
  transform: translateX(-50%);
  background: #15263f;
  color: white;
  padding: 12px 22px;
  border-radius: 10px;
  box-shadow: 0 5px 25px #0002;
  z-index: 100;
  font-size: 0.85rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
#toast.visible {
  opacity: 1;
}
[hidden] {
  display: none !important;
}
@media (min-width: 1600px) {
  main {
    padding-top: 55px;
  }
  .intro h1 {
    font-size: 4.5rem;
  }
  .home-cards .feature-card {
    min-height: 345px;
  }
  .feature-card h2 {
    font-size: 1.65rem;
  }
}
@media (max-width: 1200px) {
  .sidebar {
    width: 217px;
    padding: 28px 17px;
  }
  .shell {
    margin-left: 217px;
  }
  .topbar {
    padding: 0 28px;
  }
  main {
    padding: 35px 28px 0;
  }
  .check-form select {
    width: 153px;
  }
  .home-cards {
    gap: 12px;
  }
  .feature-card {
    padding: 21px 18px;
  }
  .feature-card h2 {
    font-size: 1.2rem;
  }
  .intro-stamp {
    margin-right: 0;
    width: 150px;
  }
  .check-footer {
    flex-wrap: wrap;
  }
  .article-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .learning .article-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .tool-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .auth-layout {
    gap: 24px;
  }
  .auth-card {
    padding: 25px;
  }
  .filter-tag {
    max-width: 58%;
  }
  .record-panel {
    grid-template-columns: 130px 1fr;
    padding: 25px;
  }
  .record-big {
    height: 130px;
    font-size: 2.7rem;
  }
}
@media (max-width: 950px) {
  .sidebar {
    width: 210px;
    transform: translateX(-100%);
    transition: transform 0.2s;
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: 20px 0 80px #0b1a3d44;
  }
  .shell {
    margin-left: 0;
  }
  .menu-toggle {
    display: block;
    border: 0;
    background: #f0f4fa;
    color: #264566;
    padding: 8px 12px;
    border-radius: 8px;
  }
  .topbar {
    height: 72px;
    gap: 15px;
  }
  .breadcrumbs {
    margin-right: auto;
  }
  .top-actions {
    gap: 20px;
  }
  .intro h1 {
    font-size: 3.5rem;
  }
  .home-cards .feature-card {
    padding: 24px;
  }
  .feature-card h2 {
    font-size: 1.3rem;
  }
  .sidebar-note {
    margin-top: 28px;
  }
  .auth-layout {
    min-height: 550px;
  }
  .footer {
    align-items: flex-start;
  }
}
@media (max-width: 650px) {
  main {
    padding: 28px 19px 0;
  }
  .topbar {
    padding: 0 19px;
    gap: 12px;
  }
  .breadcrumbs {
    font-size: 0.7rem;
  }
  .breadcrumbs span {
    padding: 0 7px;
  }
  .top-actions {
    gap: 0;
  }
  .search-link {
    display: none;
  }
  .top-actions .account-link > span:last-child {
    display: none;
  }
  .login-link {
    font-size: 0.8rem;
  }
  .intro h1 {
    font-size: 2.8rem;
  }
  .intro-stamp {
    display: none;
  }
  .intro p {
    font-size: 0.94rem;
  }
  .eyebrow {
    font-size: 0.62rem;
    letter-spacing: 0.09em;
    margin-bottom: 19px;
  }
  .intro {
    margin-bottom: 27px;
  }
  .check-panel {
    padding: 21px 18px;
  }
  .section-heading {
    align-items: flex-start;
    gap: 10px;
  }
  .section-heading h2 {
    font-size: 1.16rem;
  }
  .section-heading > a {
    font-size: 0.73rem;
  }
  .tag {
    font-size: 0.65rem;
  }
  .check-form {
    gap: 8px;
  }
  .domain-input {
    flex-basis: 100%;
    min-width: 0;
  }
  .check-form select {
    flex: 1;
    width: 140px;
    font-size: 0.82rem;
  }
  .check-form select[name="type"] {
    width: 75px;
    flex: 0;
  }
  .check-form > .button {
    flex-basis: 100%;
  }
  .check-footer {
    font-size: 0.66rem;
  }
  .home-cards {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-bottom: 30px;
  }
  .feature-card {
    min-height: 260px;
  }
  .feature-card h2 {
    font-size: 1.6rem;
  }
  .feature-card p {
    font-size: 0.9rem;
  }
  .record-pills {
    margin: 19px 0;
  }
  .mail-glyph {
    margin: 18px 0;
  }
  .resolver-glyph {
    margin: 18px 0;
  }
  .article-grid,
  .learning .article-grid {
    grid-template-columns: 1fr;
  }
  .article-card {
    padding: 22px;
  }
  .article-card h3 {
    margin-top: 16px;
    font-size: 1.18rem;
  }
  .article-card p {
    font-size: 0.88rem;
  }
  .project-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: 25px 0;
  }
  .footer {
    flex-direction: column;
    margin-top: 40px;
    gap: 19px;
  }
  .footer > div {
    font-size: 0.72rem;
    gap: 14px;
  }
  .filterbar {
    flex-wrap: wrap;
  }
  .filterbar select {
    width: 100%;
  }
  .filterbar .search-box {
    flex-basis: 100%;
  }
  .record-tabs {
    gap: 7px;
  }
  .record-tabs button {
    padding: 10px 13px;
    font-size: 0.85rem;
  }
  .record-panel {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 22px;
  }
  .record-big {
    width: 90px;
    height: 80px;
    font-size: 2.2rem;
  }
  .record-panel h2 {
    font-size: 1.65rem;
  }
  .record-panel p {
    font-size: 0.95rem;
  }
  .code-line {
    flex-wrap: wrap;
  }
  .tool-grid,
  .resolver-grid,
  .workshop-layout,
  .account-grid,
  .auth-layout {
    grid-template-columns: 1fr;
  }
  .tool-grid {
    gap: 12px;
  }
  .tool-card {
    padding: 21px;
  }
  .resolver-card {
    padding: 21px;
  }
  .filter-tag {
    font-size: 0.66rem;
  }
  .workshop-layout {
    gap: 0;
  }
  .config-output {
    position: static;
  }
  .panel {
    padding: 22px;
  }
  .auth-layout {
    gap: 20px;
    min-height: 0;
  }
  .auth-brand h1 {
    font-size: 2.25rem;
  }
  .auth-records {
    display: none;
  }
  .auth-brand p {
    font-size: 0.9rem;
  }
  .auth-card {
    max-width: none;
    padding: 25px;
  }
  .article-meta {
    flex-wrap: wrap;
  }
  .reading-body p {
    font-size: 1rem;
  }
  .reading h1 {
    font-size: 2.3rem;
  }
  .stat-grid {
    gap: 10px;
  }
  .stat-grid .panel {
    padding: 14px;
  }
  .stat-grid strong {
    font-size: 1.75rem;
  }
  .stat-grid span {
    font-size: 0.72rem;
  }
  .setup-body {
    padding: 25px 15px;
  }
  .setup-card {
    padding: 25px;
  }
  .setup-card h1 {
    font-size: 2rem;
  }
  .list-row {
    flex-wrap: wrap;
  }
  .result-heading {
    flex-wrap: wrap;
  }
  h1 {
    font-size: 2.5rem;
  }
  .lead {
    font-size: 0.98rem;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    scroll-behavior: auto !important;
  }
}
/* Member and CMS surfaces share the portal's spacing and accessible status colors. */
.header-nav {
  display: flex;
  gap: 6px;
  align-items: center;
}
.header-nav a {
  font-size: 0.8rem;
  color: #45618a;
  padding: 8px 12px;
  border-radius: 8px;
  white-space: nowrap;
}
.header-nav a:hover {
  background: #edf4ff;
  text-decoration: none;
}
.top-actions {
  gap: 14px;
}
.member-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.member-orbit {
  position: relative;
  width: 220px;
  height: 220px;
  display: flex;
  justify-content: center;
  align-items: center;
  border: 1px solid #d7e3f8;
  border-radius: 50%;
  margin-right: 45px;
}
.member-orbit b {
  font-size: 6rem;
  color: #1764ff;
  line-height: 1;
  font-weight: 700;
}
.member-orbit > span {
  position: absolute;
  background: white;
  border: 1px solid #dce6f6;
  border-radius: 10px;
  padding: 6px 15px;
  font-size: 0.9rem;
  color: #5478ab;
  box-shadow: 0 5px 20px #17325a0a;
}
.member-orbit > span:nth-child(2) {
  top: 5px;
  left: 14px;
}
.member-orbit > span:nth-child(3) {
  right: -20px;
  top: 80px;
}
.member-orbit > span:nth-child(4) {
  bottom: 0;
  left: 40px;
}
.member-stats {
  display: flex;
  align-items: center;
  gap: 30px;
  padding: 22px 26px;
  background: #14233c;
  color: white;
  border-radius: 16px;
  margin-bottom: 26px;
}
.member-stats > span {
  font-size: 0.85rem;
  color: #93a8c9;
}
.member-stats b {
  font-size: 1.6rem;
  color: white;
  display: block;
}
.member-stats .button {
  margin-left: auto;
}
.question-list {
  display: grid;
  gap: 12px;
}
.question-card {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--ink);
  text-decoration: none !important;
  transition: border 0.2s;
}
.question-card:hover {
  border-color: #91b7fa;
}
.question-status {
  min-width: 47px;
  height: 47px;
  background: #eaf1ff;
  border-radius: 13px;
  color: #1764ff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  font-weight: 650;
}
.question-status.solved {
  color: #1e8555;
  background: #e5f6ed;
}
.question-copy {
  flex: 1;
  min-width: 0;
}
.question-copy h3 {
  margin: 10px 0 9px;
}
.question-copy p {
  font-size: 0.875rem;
  margin-bottom: 12px;
  overflow-wrap: anywhere;
}
.question-copy small {
  font-size: 0.75rem;
  color: #8a98af;
}
.question-count {
  text-align: center;
  min-width: 70px;
  margin-top: 10px;
}
.question-count strong {
  font-size: 1.5rem;
  color: #365a91;
  display: block;
}
.question-count span {
  font-size: 0.68rem;
  color: #94a3b8;
}
.solved-tag {
  background: #e8f8ef;
  color: #238051;
}
.ask-panel {
  margin-top: 32px;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 36px;
}
.ask-panel > div {
  padding-top: 10px;
}
.ask-panel > div > h2 {
  margin-top: 10px;
  font-size: 2rem;
}
.question-detail {
  max-width: 900px;
  margin: 0 auto;
}
.question-detail > h1 {
  font-size: clamp(2.25rem, 3.8vw, 3.4rem);
}
.question-detail > .back-link {
  display: inline-block;
  margin-bottom: 22px;
  font-size: 0.85rem;
}
.author-row {
  display: flex;
  align-items: center;
  gap: 11px;
  margin: 23px 0;
}
.author-row > span > strong {
  font-size: 0.85rem;
}
.author-row small {
  display: block;
  font-size: 0.7rem;
  color: #8c9bb0;
}
.author-row > .tag {
  margin-left: auto;
}
.answer-card .author-row {
  margin-top: 0;
}
.accepted-answer {
  border: 1px solid #85d0aa;
  box-shadow: inset 4px 0 #299466;
}
.empty-community {
  text-align: center;
  padding: 40px;
}
.empty-community > span {
  display: block;
  font-size: 3.5rem;
  color: #b4c9ed;
}
.pagination {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 20px 0;
}
.pagination .button {
  padding: 8px 12px;
  font-size: 0.75rem;
  min-height: 36px;
}
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}
.contact-layout h1 {
  font-size: clamp(2.5rem, 4vw, 3.7rem);
}
.contact-card {
  padding: 35px;
}
.contact-card h2 {
  margin: 9px 0 25px;
  font-size: 1.8rem;
}
.contact-info {
  font-size: 0.9rem;
}
.contact-community {
  display: flex;
  gap: 15px;
  align-items: center;
  padding: 20px;
  border: 1px solid #d7e3f6;
  border-radius: 13px;
  margin-top: 28px;
  text-decoration: none !important;
}
.contact-community > span {
  color: #1764ff;
  background: #e8f0ff;
  border-radius: 10px;
  padding: 5px 15px;
  font-size: 1.75rem;
}
.contact-community strong {
  font-size: 0.9rem;
  color: #314e78;
}
.contact-community small {
  display: block;
  color: #8192aa;
  font-size: 0.75rem;
  margin-top: 5px;
}
.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.contact-success {
  text-align: center;
  padding: 28px 0;
}
.contact-success h2 {
  margin-top: 12px;
}
.success-orbit {
  position: relative;
  width: 110px;
  height: 110px;
  margin: 0 auto 30px;
}
.success-orbit svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}
.success-orbit circle {
  fill: #e7f9ef;
  stroke: #2fac78;
  stroke-width: 2;
  stroke-dasharray: 210;
  stroke-dashoffset: 210;
  animation: success-ring 0.7s ease forwards;
}
.success-orbit path {
  fill: none;
  stroke: #259f6c;
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 65;
  stroke-dashoffset: 65;
  animation: success-check 0.55s 0.4s ease forwards;
}
.success-orbit i {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #70d1a5;
  animation: success-pop 1s ease forwards;
}
.success-orbit i:nth-child(2) {
  left: -4px;
  top: 22px;
}
.success-orbit i:nth-child(3) {
  right: -3px;
  top: 35px;
}
.success-orbit i:nth-child(4) {
  right: 15px;
  bottom: 0;
}
.admin-module-nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding-bottom: 22px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--line);
}
.admin-module-nav a {
  color: #61799e;
  font-size: 0.8rem;
  background: #fff;
  border: 1px solid var(--line);
  padding: 9px 13px;
  border-radius: 9px;
  text-decoration: none;
}
.admin-module-nav a.selected {
  color: white;
  border-color: #1764ff;
  background: #1764ff;
}
.cms-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 25px;
  align-items: start;
}
.page-list {
  position: sticky;
  top: 20px;
}
.page-list-item {
  display: block;
  padding: 12px 13px;
  margin: 7px -8px;
  color: #526a90;
  border-radius: 9px;
}
.page-list-item strong {
  font-size: 0.85rem;
  display: block;
}
.page-list-item small {
  font-size: 0.72rem;
  color: #879ab6;
}
.page-list-item.selected {
  background: #edf4ff;
  color: #1764ff;
}
.page-list > p {
  margin-top: 25px;
}
.text-editor {
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 22px;
}
.editor-toolbar {
  display: flex;
  gap: 3px;
  flex-wrap: wrap;
  background: #f1f5fb;
  padding: 8px;
  border-bottom: 1px solid var(--line);
}
.editor-toolbar button {
  border: 0;
  background: transparent;
  color: #43618c;
  font-size: 0.8rem;
  padding: 7px 10px;
  border-radius: 5px;
}
.editor-toolbar button:hover {
  background: #dfeaff;
}
.text-editor textarea {
  border: 0;
  border-radius: 0;
  min-height: 180px;
  margin: 0;
  padding: 17px;
  font-size: 0.91rem;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
}
.text-editor > small {
  display: block;
  background: #f7f9fc;
  padding: 10px 15px;
  font-size: 0.7rem;
  color: #8393ab;
}
.editor-preview {
  padding: 20px;
  border-top: 1px solid var(--line);
  background: #fbfcff;
}
.editor-preview h2 {
  font-size: 1.3rem;
}
.page-block {
  margin: 24px 0;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: white;
}
.page-block h2 {
  font-size: 1.8rem;
}
.page-block .kicker {
  margin-bottom: 10px;
}
.block-heading {
  padding: 24px 0;
  border: 0;
  background: transparent;
}
.block-cta {
  background: #eaf2ff;
}
.block-callout {
  border-left-width: 4px;
}
.color-blue {
  --accent: #1764ff;
  --tint: #eaf2ff;
}
.color-green {
  --accent: #269866;
  --tint: #e9f8ef;
}
.color-yellow {
  --accent: #b57a13;
  --tint: #fff6df;
}
.color-red {
  --accent: #c34255;
  --tint: #fff0f2;
}
.color-purple {
  --accent: #8958c8;
  --tint: #f3edff;
}
.block-callout,
.block-editor,
.contact-message {
  border-left-color: var(--accent);
  border-left-width: 4px;
}
.block-callout,
.block-cta {
  background: var(--tint);
}
.block-editor {
  padding-left: 17px;
  border-left-style: solid;
}
.block-divider {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 40px 0;
}
.nav-editor-row {
  display: grid;
  grid-template-columns: 1fr 2fr 110px;
  gap: 16px;
  margin-top: 20px;
}
.contact-status {
  padding: 4px 9px;
  border-radius: 5px;
  background: #eaf2ff;
  color: #3164a9;
  font-size: 0.7rem;
}
.status-progress {
  background: #fff3dc;
  color: #9a731b;
}
.status-done {
  background: #e4f7ec;
  color: #2e885b;
}
.status-archived {
  background: #eef0f5;
  color: #7c879c;
}
.contact-message .message-body {
  padding: 20px;
  background: #f8fafd;
  border-radius: 10px;
  font-size: 0.94rem;
  line-height: 1.8;
  overflow-wrap: anywhere;
  margin: 20px 0;
}
.contact-message .filterbar label {
  margin: 0;
  width: 200px;
}
.contact-message .filterbar .button {
  margin-top: 28px;
}
.danger-text {
  color: #bb3b4d;
}
.moderation-answer {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.moderation-answer .reading-body p {
  font-size: 0.9rem;
}
.text-override > span {
  display: block;
  white-space: pre-wrap;
  font-weight: 500;
  color: #496284;
}
.text-override > small {
  color: #91a0b5;
  font-size: 0.67rem;
  font-weight: 400;
}
.text-override {
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 22px;
}
.consent-panel {
  position: fixed;
  bottom: 20px;
  right: 20px;
  max-width: 430px;
  border: 1px solid #d2dff3;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 12px 60px #12234125;
  padding: 22px;
  z-index: 90;
}
.consent-panel strong {
  font-size: 1rem;
  color: #263f67;
}
.consent-panel p {
  font-size: 0.85rem;
  margin: 10px 0 18px;
}
.consent-panel .button {
  font-size: 0.78rem;
  padding: 10px 13px;
}
.custom-page {
  max-width: 940px;
  margin: 0 auto;
}
.custom-page > .reading-body {
  margin-bottom: 30px;
}
.reading-body ul {
  color: #42536c;
  line-height: 1.9;
}
.reading-body li {
  margin-bottom: 5px;
}
.reading-body h3 {
  font-size: 1.25rem;
  margin-top: 25px;
}
@keyframes success-ring {
  to {
    stroke-dashoffset: 0;
  }
}
@keyframes success-check {
  to {
    stroke-dashoffset: 0;
  }
}
@keyframes success-pop {
  0% {
    transform: scale(0);
    opacity: 0;
  }
  60% {
    transform: scale(1.3);
    opacity: 1;
  }
  100% {
    transform: scale(1);
    opacity: 0.7;
  }
}
@media (max-width: 1200px) {
  .top-actions .search-link {
    display: none;
  }
  .header-nav {
    gap: 0;
  }
  .header-nav a {
    padding: 8px;
  }
  .cms-layout {
    grid-template-columns: 220px 1fr;
  }
  .member-orbit {
    width: 180px;
    height: 180px;
    margin-right: 15px;
  }
  .contact-layout {
    gap: 27px;
  }
  .contact-card {
    padding: 25px;
  }
}
@media (max-width: 950px) {
  .member-heading h1 {
    font-size: 3.3rem;
  }
  .cms-layout {
    grid-template-columns: 190px 1fr;
  }
  .nav-editor-row {
    grid-template-columns: 1fr 1fr;
  }
  .nav-editor-row > label:last-child {
    grid-column: 1/-1;
  }
  .contact-layout h1 {
    font-size: 2.8rem;
  }
}
@media (max-width: 650px) {
  .topbar {
    height: auto;
    min-height: 72px;
    flex-wrap: wrap;
    padding-top: 13px;
    padding-bottom: 13px;
  }
  .top-actions {
    margin-left: auto;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 4px;
  }
  .header-nav {
    order: 2;
    max-width: 180px;
    overflow: auto;
  }
  .header-nav a {
    font-size: 0.7rem;
    padding: 6px;
  }
  .member-heading h1 {
    font-size: 2.7rem;
  }
  .member-orbit {
    display: none;
  }
  .member-stats {
    padding: 19px;
    gap: 17px;
    flex-wrap: wrap;
  }
  .member-stats > span {
    font-size: 0.7rem;
  }
  .member-stats b {
    font-size: 1.35rem;
  }
  .member-stats .button {
    margin: 0;
    width: 100%;
  }
  .question-card {
    padding: 18px;
    gap: 13px;
    flex-wrap: wrap;
  }
  .question-status {
    min-width: 36px;
    height: 36px;
    font-size: 1.2rem;
  }
  .question-copy h3 {
    font-size: 1.06rem;
  }
  .question-count {
    display: flex;
    gap: 7px;
    align-items: center;
    margin: 0 0 0 49px;
  }
  .question-count strong {
    font-size: 0.9rem;
  }
  .question-count span {
    font-size: 0.67rem;
  }
  .ask-panel,
  .contact-layout,
  .cms-layout {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .ask-panel > div > h2 {
    font-size: 1.7rem;
  }
  .contact-layout h1 {
    font-size: 2.6rem;
  }
  .contact-card {
    padding: 24px;
  }
  .page-list {
    position: static;
  }
  .nav-editor-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .contact-message .filterbar label {
    width: 100%;
  }
  .contact-message .filterbar .button {
    margin-top: 0;
    width: 100%;
  }
  .contact-message .section-heading {
    flex-wrap: wrap;
  }
  .page-block {
    padding: 22px;
  }
  .page-block h2 {
    font-size: 1.5rem;
  }
  .block-heading {
    padding: 20px 0;
  }
  .consent-panel {
    bottom: 12px;
    left: 12px;
    right: 12px;
    max-width: none;
    padding: 20px;
  }
  .admin-module-nav {
    gap: 6px;
  }
  .admin-module-nav a {
    font-size: 0.73rem;
    padding: 8px 10px;
  }
  .author-row {
    flex-wrap: wrap;
  }
  .author-row > .tag {
    margin-left: 0;
  }
  .editor-toolbar button {
    font-size: 0.73rem;
    padding: 7px 9px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .success-orbit circle,
  .success-orbit path {
    animation: none;
    stroke-dashoffset: 0;
  }
  .success-orbit i {
    animation: none;
  }
}

.dns-example { margin: 1.5rem 0; border: 1px solid var(--border, #dbe3ef); border-radius: 16px; overflow: hidden; }
.dns-example > button { display: block; margin: .7rem 1rem; }
.dns-example pre { margin: 0; padding: 1.2rem; background: #101c30; color: #d4e7ff; overflow-wrap: anywhere; }

/* The missing-page motif uses typography; animation respects reduced-motion preferences. */
.not-found { max-width: 780px; margin: 2rem auto 4rem; padding: clamp(1.5rem, 5vw, 4rem); text-align: center; background: white; border: 1px solid var(--line); border-radius: 28px; overflow: hidden; }
.not-found-code { display: flex; align-items: center; justify-content: center; gap: .12em; color: var(--ink); font-size: clamp(6rem, 20vw, 11rem); font-weight: 800; letter-spacing: -.07em; line-height: 1.05; margin-bottom: 1.2rem; }
.lost-packet { position: relative; color: var(--blue); animation: packet-drift 5s ease-in-out infinite; }
.packet-dot { position: absolute; right: -.03em; top: .16em; width: .09em; height: .09em; border-radius: 50%; background: #27c6b5; box-shadow: 0 0 0 .035em #e5faf6; }
.not-found-terminal { display: inline-flex; align-items: center; flex-wrap: wrap; justify-content: center; gap: .7rem; padding: .65rem 1rem; margin: 0 0 2rem; background: var(--dark); color: #d4e7ff; border-radius: 12px; font-size: .875rem; }
.not-found-terminal > span:last-child { color: #a8bdde; }
.terminal-dot { width: 7px; height: 7px; background: #ffc76a; border-radius: 50%; }
.not-found h1 { font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.13; letter-spacing: -.04em; margin: .7rem 0 1rem; }
.not-found h1 > span { color: var(--blue); }
.not-found > p { max-width: 540px; margin: 0 auto 1.7rem; color: var(--muted); }
.not-found-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: .75rem; }
.not-found-footnote { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .875rem; }
@keyframes packet-drift { 0%, 100% { transform: translateY(0) rotate(-3deg); } 50% { transform: translateY(-8px) rotate(3deg); } }
@media (max-width: 540px) { .not-found { margin: 1rem 0 2rem; } .not-found-actions { flex-direction: column; } .not-found-actions a { width: 100%; } }
@media (prefers-reduced-motion: reduce) { .lost-packet { animation: none; } }

.security-card { max-width: 800px; margin: 1.5rem 0; }
.totp-layout { display: grid; grid-template-columns: 240px 1fr; gap: 1.5rem; align-items: center; margin: 1.5rem 0; }
#control-qr { max-width: 100%; height: auto; background: #fff; border-radius: 12px; }
.totp-secret { display: block; padding: 1rem; background: var(--surface); border-radius: 12px; overflow-wrap: anywhere; }
.backup-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: .7rem; margin: 1.5rem 0; }
.backup-grid code { padding: .8rem; background: var(--surface); border-radius: 10px; font-size: .9rem; overflow-wrap: anywhere; }
.device-card, .report-card { margin: 1.2rem 0; padding: 1.5rem; border: 1px solid var(--line); border-radius: var(--radius); }
.device-card p { overflow-wrap: anywhere; color: var(--muted); }
.report-form { margin: 1rem 0 1.7rem; padding: 1rem; border: 1px solid var(--line); border-radius: 12px; }
.platform-notice { margin-bottom: 1.5rem; padding: 1.1rem 1.4rem; border-radius: 14px; border-left: 4px solid; }
.platform-notice p { margin: .35rem 0; }
.notice-blue { background: #eaf1ff; border-color: #1764ff; }
.notice-green { background: #e8f8ef; border-color: #16814c; }
.notice-yellow { background: #fff6d8; border-color: #ba8000; }
.notice-red { background: #ffeded; border-color: #c83535; }
.maintenance-clock { font-size: 4rem; color: var(--blue); animation: maintenance-turn 7s linear infinite; text-align: center; }
@keyframes maintenance-turn { to { transform: rotate(360deg); } }
@media (max-width: 650px) { .totp-layout { grid-template-columns: 1fr; } .backup-grid { grid-template-columns: 1fr; } .device-card { padding: 1rem; } }
@media (prefers-reduced-motion: reduce) { .maintenance-clock { animation: none; } }