:root {
  --paper: #ffffff;
  --soft: #f5f7f9;
  --wash: #dce9f7;
  --ink: #12151a;
  --muted: #5b6470;
  --line: #dfe3e8;
  --line-strong: #8c98a5;
  --brand: #245fa8;
  --brand-deep: #174879;
  --accent: #8657b8;
  --night: #111820;
  --night-card: #1b2632;
  --night-ink: #f4f7fa;
  --success: #27745d;
  --wrap: 1170px;
  --header-h: 68px;
  --h1: 64px;
  --h2: 50px;
  --h3: 18px;
  --body: 16px;
  --lead: 20px;
  --small: 14px;
  --micro: 12px;
  --radius-control: 999px;
  --radius-card: 4px;
  --radius-panel: 20px;
  --s1: 8px;
  --s2: 16px;
  --s3: 24px;
  --s4: 40px;
  --s5: 64px;
  --s6: 96px;
  --s7: 128px;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, monospace;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font);
  font-size: var(--body);
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body.reader-open {
  overflow: hidden;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input {
  font: inherit;
}
button {
  cursor: pointer;
}
img {
  display: block;
  max-width: 100%;
}
[hidden] {
  display: none !important;
}
.wrap {
  width: min(calc(100% - 48px), var(--wrap));
  margin-inline: auto;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: var(--header-h);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
}
.header-inner {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  gap: var(--s4);
}
.brand-name {
  display: inline-block;
  color: var(--ink);
  font-weight: 600;
}
.reader-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s2);
}
.reader-meta time {
  color: var(--muted);
  font-size: var(--micro);
}
.inbox-grid {
  min-height: 640px;
}
.reader-head {
  min-width: 0;
}
.demo-brand {
  color: var(--ink);
  background: var(--paper);
}
.mail-reader.is-real .demo-brand {
  display: none;
}
.brand-lockup {
  display: inline-flex;
  align-items: center;
  flex: none;
  gap: 10px;
  color: var(--ink);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.03em;
}
.brand-lockup img {
  width: 29px;
  height: 29px;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-right: auto;
}
.site-nav a,
.auth-link {
  font-size: var(--small);
  font-weight: 500;
}
.site-nav a:hover,
.auth-link {
  color: var(--brand);
}
.site-nav a[aria-current="page"] {
  padding: 8px 12px;
  border-radius: var(--radius-control);
  color: var(--brand-deep);
  background: var(--wash);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--s2);
}
.lang-wrap {
  position: relative;
}
.lang-trigger {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  border: 0;
  border-radius: var(--radius-control);
  color: var(--ink);
  background: var(--soft);
  font-size: var(--small);
  font-weight: 500;
}
.chevron {
  width: 7px;
  height: 7px;
  flex: none;
  align-self: center;
  position: relative;
  top: 0;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg);
}
.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 60;
  min-width: 176px;
  padding: 8px;
  border-radius: var(--radius-panel);
  color: var(--ink);
  background: var(--paper);
  box-shadow: 0 12px 32px rgba(20, 28, 38, 0.14);
}
.lang-menu a {
  display: block;
  padding: 9px 12px;
  border-radius: var(--radius-card);
  color: var(--ink);
  background: var(--paper);
  font-size: var(--small);
}
.lang-menu a:hover {
  color: var(--brand-deep);
  background: var(--wash);
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: var(--radius-control);
  color: var(--ink);
  background: var(--soft);
}
.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after {
  content: "";
  display: block;
  width: 18px;
  height: 1px;
  margin: 5px auto;
  background: currentColor;
}
.nav-drawer {
  display: none;
}
.hero {
  padding: 84px 0 0;
  text-align: center;
}
.hero-copy {
  max-width: 1000px;
  margin-inline: auto;
}
.eyebrow {
  margin: 0 0 10px;
  color: var(--brand);
  font-size: var(--small);
  font-weight: 600;
}
.hero .eyebrow {
  margin-inline: auto;
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1 {
  max-width: 980px;
  margin: 0 auto;
  font-size: clamp(48px, 5.1vw, var(--h1));
  font-weight: 500;
  font-synthesis: none;
  letter-spacing: -0.045em;
  line-height: 1.05;
}
h1 em {
  color: var(--accent);
  font-style: normal;
  font-weight: 500;
}
h2 {
  margin-bottom: var(--s3);
  font-size: clamp(36px, 4vw, var(--h2));
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.08;
}
h3 {
  margin-bottom: var(--s2);
  font-size: var(--h3);
  font-weight: 600;
  line-height: 1.35;
}
.hero-lead,
.section-intro {
  max-width: 720px;
  color: var(--muted);
  font-size: var(--lead);
}
.hero-lead {
  margin: var(--s3) auto 0;
}
.mode-switch {
  width: max-content;
  max-width: 100%;
  margin: var(--s4) auto 0;
  display: flex;
  align-items: center;
  gap: var(--s3);
}
.mode-switch button,
.mode-switch a {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: var(--radius-control);
  font-size: var(--small);
  font-weight: 600;
}
.mode-switch button {
  padding: 0 22px;
  color: var(--paper);
  background: var(--brand);
}
.mode-switch a {
  padding: 0;
  color: var(--brand-deep);
  background: transparent;
}
.mail-stage {
  min-height: 628px;
  margin-top: var(--s5);
  display: flex;
  flex-direction: column;
  text-align: left;
  overflow: hidden;
  border-radius: var(--radius-panel) var(--radius-panel) 0 0;
  background: var(--soft);
  box-shadow: 0 18px 48px rgba(25, 38, 52, 0.11);
}
.mailbar {
  min-height: 88px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: var(--s3);
  padding: var(--s2) var(--s3);
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  background: var(--paper);
}
.address-stack {
  min-width: 0;
}
.address-label {
  display: block;
  color: var(--muted);
  font-size: var(--micro);
}
.address-value {
  display: block;
  overflow: hidden;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 0;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.mailbox-meta {
  display: flex;
  align-items: center;
  gap: var(--s2);
  color: var(--muted);
  font-size: var(--small);
}
.time-value {
  color: var(--ink);
  font-family: var(--mono);
  font-weight: 600;
}
.control-btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 0;
  border-radius: var(--radius-control);
  color: var(--paper);
  background: var(--brand);
  font-size: var(--small);
  font-weight: 600;
}
.control-btn:hover {
  color: var(--paper);
  background: var(--brand-deep);
}
.control-btn.secondary {
  color: var(--brand-deep);
  background: var(--wash);
}
.mail-workspace,
.inbox-grid {
  min-height: 0;
  height: 640px;
  flex: 1 1 auto;
  display: grid;
  grid-template-columns: minmax(280px, 34%) minmax(0, 1fr);
  background: var(--paper);
}
.message-list {
  overflow-y: auto;
  border-right: 1px solid var(--line);
  background: var(--soft);
}
.list-head {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--s3);
  color: var(--muted);
  font-size: var(--small);
}
.refresh-btn {
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: var(--radius-control);
  color: var(--brand-deep);
  background: var(--wash);
}
.mail-row {
  width: 100%;
  min-height: 76px;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 12px var(--s3);
  border: 0;
  border-top: 1px solid var(--line);
  color: var(--ink);
  background: var(--soft);
  text-align: left;
}
.mail-row:hover,
.mail-row.is-active {
  color: var(--ink);
  background: var(--wash);
}
.mail-row.is-active {
  box-shadow: inset 3px 0 0 var(--brand);
}
.inbox-empty,
.reader-empty-card {
  display: grid;
  place-content: center;
  justify-items: center;
  min-height: 180px;
  margin: var(--s3);
  padding: var(--s3);
  gap: var(--s1);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-panel);
  background: var(--paper);
  color: var(--muted);
  text-align: center;
}
.inbox-empty strong,
.reader-empty-card strong {
  color: var(--ink);
  font-size: var(--small);
  font-weight: 600;
}
.inbox-empty span,
.reader-empty-card span {
  max-width: 16em;
  font-size: var(--small);
  line-height: 1.55;
}
.mail-reader.is-empty .reader-letterhead,
.mail-reader.is-empty .demo-brand,
.mail-reader.is-empty .demo-pill,
.mail-reader.is-empty .sender-avatar {
  display: none;
}
.sender-avatar {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--paper);
  background: var(--brand);
  font-size: var(--small);
  font-weight: 600;
}
.sender-avatar.facebook {
  background: var(--brand-deep);
}
.mail-summary {
  min-width: 0;
}
.mail-row strong,
.mail-subject,
.mail-summary strong,
.mail-summary span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.mail-summary strong {
  font-size: var(--small);
}
.mail-summary span,
.mail-row time,
.reader-from,
.demo-note {
  color: var(--muted);
  font-size: var(--micro);
}
.mail-row time {
  align-self: start;
}
.mail-reader {
  min-width: 0;
  min-height: 0;
  max-height: 640px;
  overflow: auto;
  background: var(--paper);
}
.reader-actions {
  position: sticky;
  top: 0;
  z-index: 2;
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--s2);
  padding: 0 var(--s4);
  background: rgba(255, 255, 255, 0.96);
}
.mail-reader:not(.mobile-reader) [data-reader-close] {
  display: none;
}
.icon-btn {
  min-height: 36px;
  padding: 0 14px;
  border: 0;
  border-radius: var(--radius-control);
  color: var(--brand-deep);
  background: var(--wash);
  font-size: var(--micro);
}
.reader-content {
  max-width: 680px;
  margin: 0 auto;
  padding: var(--s3) var(--s4) var(--s5);
}
.reader-letterhead {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: var(--s2);
  align-items: center;
  margin-bottom: var(--s4);
  padding: var(--s3);
  border-radius: 12px;
  background: var(--soft);
  box-shadow: inset 4px 0 0 var(--brand);
}
.mail-reader[data-demo-brand="reddit"] .reader-letterhead {
  box-shadow: inset 4px 0 0 #ff4500;
}
.mail-reader[data-demo-brand="facebook"] .reader-letterhead {
  box-shadow: inset 4px 0 0 #1877f2;
}
.demo-brand-mark {
  display: block;
  border-radius: 12px;
}
.demo-brand-mark + .sender-avatar {
  display: none;
}
.reader-letterhead .sender-avatar {
  width: 48px;
  height: 48px;
}
.reader-letterhead h3 {
  margin: 0;
}
.demo-pill,
.route-status {
  width: max-content;
  padding: 4px 10px;
  border-radius: var(--radius-control);
  font-size: var(--micro);
  font-weight: 600;
}
.demo-pill {
  display: inline-flex;
  align-items: center;
  margin: 0 0 var(--s3);
  color: var(--brand-deep);
  background: var(--wash);
}
.email-body {
  color: #2d333b;
}
.demo-letter {
  display: grid;
  gap: var(--s3);
}
.demo-letter-head {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: var(--s2);
  align-items: center;
  padding-bottom: var(--s3);
  border-bottom: 1px solid var(--line);
}
.demo-letter-head strong {
  display: block;
}
.demo-letter-head span {
  color: var(--muted);
  font-size: var(--micro);
}
.demo-letter-mark {
  display: block;
  border-radius: 10px;
}
.code-plate {
  padding: var(--s3);
  border-radius: 12px;
  color: var(--ink);
  background: #fff6f1;
  border: 1px solid #ffd2c0;
}
.code-plate-label,
.code-plate-meta {
  display: block;
  color: var(--muted);
  font-size: var(--micro);
  font-weight: 600;
  letter-spacing: 0.04em;
}
.code-block {
  margin: 12px 0;
  padding: 18px 12px;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--mono);
  font-size: 36px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-align: center;
}
.demo-meta-rows {
  display: grid;
  gap: 10px;
  padding: var(--s3);
  border-radius: 12px;
  background: #eef4ff;
  border: 1px solid #c5d8f6;
}
.demo-meta-rows div {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: var(--s2);
  align-items: baseline;
  font-size: var(--small);
}
.demo-meta-rows dt {
  margin: 0;
  color: var(--muted);
}
.demo-meta-rows dd {
  margin: 0;
  font-family: var(--mono);
  font-weight: 600;
}
.section {
  padding: var(--s7) 0;
}
.section-heading {
  max-width: 760px;
  margin-bottom: var(--s5);
}
.trust-strip {
  padding: var(--s5) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.trust-grid,
.scene-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--s3);
}
.trust-item {
  color: var(--muted);
  font-size: var(--small);
}
.trust-item strong {
  display: block;
  color: var(--ink);
  font-size: var(--h3);
}
.scene-card {
  min-height: 300px;
  padding: var(--s4);
  border-radius: var(--radius-panel);
  transition: transform 180ms ease;
}
.scene-card:hover {
  transform: translateY(-6px);
}
.scene-card:nth-child(1),
.scene-card:nth-child(4) {
  color: var(--brand-deep);
  background: var(--wash);
}
.scene-card:nth-child(2) {
  color: var(--ink);
  background: var(--soft);
}
.scene-card:nth-child(3) {
  color: #40275a;
  background: #eee5f6;
}
.scene-number {
  display: block;
  margin-bottom: var(--s5);
  font-family: var(--mono);
  font-size: var(--small);
}
.night-band {
  padding: var(--s7) 0;
  color: #f5f8fb;
  background: var(--night);
}
.night-band h2,
.night-band h3 {
  color: #f5f8fb;
}
.night-band .section-intro,
.route-item p {
  color: #bcc8d4;
}
.night-band .eyebrow {
  color: #9fc8f2;
}
.night-band .section-heading {
  max-width: none;
}
.guide-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--s6);
  align-items: start;
}
.night-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: var(--s5);
  align-items: stretch;
}
.night-grid > :first-child {
  max-width: none;
  min-width: 0;
}
.night-grid > :first-child .section-intro,
.night-grid > :first-child h2 {
  max-width: none;
}
.route-list,
.steps {
  display: grid;
  gap: var(--s2);
}
.route-list {
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s3);
  min-width: 0;
  height: 100%;
}
.route-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  gap: var(--s2);
  align-items: center;
  padding: var(--s3);
  border-radius: var(--radius-card);
  color: #f5f8fb;
  background: var(--night-card);
}
.route-item p {
  margin: 0;
  font-size: var(--small);
}
.route-status {
  color: #dff5ec;
  background: var(--success);
}
.guide-grid {
  align-items: start;
}
.steps {
  gap: var(--s4);
}
.step {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: var(--s3);
}
.step-index {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--paper);
  background: var(--brand);
  font-family: var(--mono);
}
.step p,
.footer-summary,
.support-card p,
.support-copy {
  color: var(--muted);
}
.support-copy {
  display: block;
}
.guide-panel {
  padding: var(--s4);
  border-radius: var(--radius-panel);
  background: var(--soft);
}
.guide-panel a {
  display: flex;
  justify-content: space-between;
  padding: var(--s2) 0;
  border-bottom: 1px solid var(--line);
  font-weight: 500;
}
.final-cta {
  width: min(calc(100% - 48px), var(--wrap));
  margin: 0 auto var(--s5);
  padding: var(--s6) var(--s4);
  border-radius: var(--radius-panel);
  text-align: center;
  color: #f5f8fb;
  background: var(--brand-deep);
}
.final-cta h2 {
  max-width: 760px;
  margin-inline: auto;
  color: #f5f8fb;
}
.final-cta p {
  margin-bottom: var(--s4);
  color: #d8e6f4;
  font-size: var(--lead);
}
.final-cta .control-btn {
  color: var(--brand-deep);
  background: var(--paper);
}
.site-footer {
  padding: var(--s6) 0 var(--s4);
  background: var(--soft);
}
.footer-top {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--s4);
}
.footer-brand {
  grid-column: auto;
}
.footer-summary {
  margin-top: var(--s3);
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--s4);
}
.footer-column h3 {
  font-size: var(--small);
}
.footer-column a {
  display: block;
  margin: 10px 0;
  color: var(--muted);
  font-size: var(--small);
}
.support-card {
  margin-top: var(--s5);
  padding: var(--s4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s4);
  border-radius: var(--radius-panel);
  color: var(--ink);
  background: var(--paper);
}
.footer-bottom {
  margin-top: var(--s5);
  padding-top: var(--s3);
  display: flex;
  justify-content: space-between;
  gap: var(--s3);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: var(--micro);
}
.toast {
  position: fixed;
  right: var(--s3);
  bottom: var(--s3);
  z-index: 100;
  width: max-content;
  max-width: min(430px, calc(100% - 32px));
  padding: 12px 18px;
  border-radius: 20px;
  color: var(--paper);
  background: var(--night);
  text-align: center;
  overflow-wrap: anywhere;
}
.mail-frame {
  width: 100%;
  min-height: 320px;
  display: block;
  border: 0;
  background: var(--paper);
  flex: 0 0 auto;
}
.mail-row.is-unread .mail-summary strong::before {
  content: "";
  width: 7px;
  height: 7px;
  display: inline-block;
  margin-right: var(--s1);
  border-radius: 50%;
  background: var(--brand);
}
.page-hero {
  padding: var(--s6) 0 var(--s5);
}
.page-hero .eyebrow {
  margin: 0;
}
.page-hero .eyebrow + h1 {
  max-width: 820px;
  margin: 20px 0 0;
  font-size: clamp(44px, 5vw, 60px);
  text-wrap: balance;
}
.page-hero .section-intro {
  margin-top: var(--s3);
}
.section-heading .eyebrow + h2,
.split-copy .eyebrow + h2,
.night-band .eyebrow + h2 {
  margin-top: 20px;
}
.timeline article,
.timeline-cards article,
.diagnostic-list li {
  align-items: start;
}
.dark-band .eyebrow,
.night-band .eyebrow {
  display: inline-flex;
  align-items: center;
  width: max-content;
  max-width: 100%;
  padding: 4px 10px;
  border-radius: var(--radius-control);
  color: #f5f8fb;
  background: var(--brand-deep);
}
.page-hero + .section {
  padding-top: var(--s5);
}
.auth-layout {
  min-height: calc(100vh - var(--header-h));
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(360px, 1.1fr);
  background: var(--soft);
}
.auth-story,
.auth-panel {
  min-width: 0;
  padding: var(--s6) clamp(24px, 4vw, 56px);
}
.auth-story {
  color: #f5f8fb;
  background: var(--brand-deep);
}
.auth-story h1 {
  max-width: 12em;
  margin: 0;
  font-size: clamp(32px, 3.2vw, 44px);
  line-height: 1.18;
  letter-spacing: -0.03em;
}
.auth-story h1,
.auth-story .eyebrow {
  color: #f5f8fb;
}
.auth-story .section-intro {
  color: #d8e6f4;
}
.auth-panel {
  display: grid;
  align-items: center;
  background: var(--paper);
}
.auth-card {
  width: min(100%, 520px);
  padding: var(--s4);
  border-radius: var(--radius-panel);
  color: var(--ink);
  background: var(--soft);
}
.auth-card h2,
.auth-pane h2 {
  margin-bottom: var(--s2);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.3;
}
.auth-card form,
.field-stack {
  display: flow-root;
}
.auth-pane[hidden] {
  display: none !important;
}
.field-label {
  display: block;
  margin-bottom: var(--s1);
  color: var(--ink);
  font-size: var(--small);
  font-weight: 600;
}
.text-field {
  width: 100%;
  min-width: 0;
  height: 48px;
  padding: 0 var(--s2);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-control);
  outline: 0;
  color: var(--ink);
  background: var(--paper);
  font-size: var(--small);
}
.text-field:focus {
  border-color: var(--ink);
}
.form-actions {
  margin-top: var(--s3);
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
}
.text-action {
  min-height: 44px;
  padding: 0 var(--s2);
  border: 0;
  border-radius: var(--radius-control);
  color: var(--brand-deep);
  background: var(--wash);
  font-size: var(--small);
  font-weight: 600;
}
.auth-notice {
  min-height: 24px;
  margin-top: var(--s2);
  color: var(--muted);
  font-size: var(--small);
}
.desk-shell {
  padding: var(--s5) 0 var(--s7);
  background: var(--paper);
}
.desk-banner {
  margin-bottom: var(--s5);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  gap: var(--s2);
}
.desk-banner-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s3);
}
.desk-banner h1 {
  max-width: none;
  margin: 0;
  flex: 1 1 auto;
  min-width: 0;
  font-size: clamp(28px, 3.2vw, 36px);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.2;
}
.desk-banner [data-logout] {
  flex: none;
  align-self: center;
}
.session-chip {
  padding: var(--s2) var(--s3);
  border-radius: var(--radius-control);
  color: var(--brand-deep);
  background: var(--wash);
  font-size: var(--small);
}
.desk-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s4);
  align-items: start;
}
.station-panel,
.ledger-panel,
.safety-panel {
  min-width: 0;
  padding: var(--s4);
  border-radius: var(--radius-panel);
  color: var(--ink);
}
.station-panel {
  background: var(--soft);
}
.ledger-panel {
  grid-row: auto;
  background: var(--paper);
  border: 1px solid var(--line);
}
.safety-panel {
  color: var(--ink);
  background: var(--soft);
}
.station-panel .section-intro,
.ledger-panel .section-intro,
.safety-panel .section-intro {
  margin-bottom: var(--s3);
  font-size: var(--body);
}
.safety-panel .section-intro {
  color: var(--muted);
}
.safety-panel h2 {
  color: var(--ink);
}
.alias-composer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--s2);
}
[data-alias-form] .form-actions {
  margin-top: 0;
  align-items: center;
}
.alias-composer .text-field,
.alias-composer .control-btn,
.alias-composer .text-action {
  height: 48px;
  font-size: var(--small);
}
.alias-address-field {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-control);
  overflow: hidden;
  background: var(--paper);
}
.alias-address-field .text-field {
  border: 0;
  border-radius: 0;
}
.alias-suffix {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  padding: 0 var(--s2);
  border-radius: 0 var(--radius-control) var(--radius-control) 0;
  color: var(--brand-deep);
  background: var(--wash);
  font-size: var(--small);
  font-weight: 600;
}
.alias-address-field:focus-within {
  border-color: var(--ink);
}
.alias-address-field .text-field:focus {
  border-color: transparent;
}
.auth-card input[type="email"] {
  border: 1px solid var(--line-strong);
  color: var(--ink);
  background: var(--paper);
}
.alias-list,
.archive-list {
  margin-top: var(--s3);
  display: grid;
  gap: var(--s2);
}
.archive-meta {
  display: grid;
  justify-items: end;
  gap: var(--s1);
  flex: none;
}
.archive-meta b,
.status-pill {
  width: max-content;
  padding: 4px 10px;
  border-radius: var(--radius-control);
  color: var(--brand-deep);
  background: var(--paper);
  font-size: var(--micro);
}
.archive-detail {
  min-width: 0;
  max-width: 100%;
  margin-top: var(--s3);
  padding-top: var(--s3);
  border-top: 1px solid rgba(23, 72, 121, 0.18);
  overflow: hidden;
}
.archive-detail iframe {
  width: 100%;
  min-height: 420px;
  margin-top: var(--s3);
  border: 0;
  background: var(--paper);
}
.alias-record,
.archive-record {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s2);
  padding: var(--s2);
  border: 0;
  border-radius: var(--radius-card);
  color: var(--ink);
  background: var(--paper);
  font-size: var(--small);
  text-align: left;
}
.record-address,
.archive-main {
  min-width: 0;
}
.record-address strong,
.record-address span,
.archive-main strong,
.archive-main small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.record-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--s1);
}
.row-btn,
.record-actions button {
  min-height: 36px;
  padding: 0 12px;
  border: 0;
  border-radius: var(--radius-control);
  color: var(--brand-deep);
  background: var(--wash);
  font-size: var(--micro);
}
.filter-wrap {
  position: relative;
  width: max-content;
  max-width: 100%;
  justify-self: start;
  margin-top: 24px;
  margin-bottom: 32px;
}
.ledger-panel .filter-wrap {
  width: max-content;
  margin-top: 24px;
  margin-bottom: 32px;
}
.filter-trigger {
  width: auto;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  gap: var(--s1);
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  color: var(--brand-deep);
  background: var(--wash);
  font-size: var(--small);
}
.filter-menu {
  position: absolute;
  top: calc(100% + var(--s1));
  right: 0;
  z-index: 5;
  min-width: 150px;
  padding: var(--s1);
  border-radius: var(--radius-panel);
  color: var(--ink);
  background: var(--paper);
  box-shadow: 0 12px 32px rgba(20, 28, 38, 0.14);
}
.filter-menu button,
.filter-menu [role="option"] {
  width: 100%;
  display: inline-flex;
  align-items: center;
  padding: 10px 12px;
  border: 0;
  border-radius: var(--radius-card);
  color: var(--ink);
  background: var(--paper);
  font-size: var(--small);
  text-align: left;
}
[data-2fa-badge] {
  display: inline-block;
  margin-bottom: 20px;
}
[data-twofa-start] {
  margin-bottom: 24px;
}
.twofa-setup .form-actions {
  align-items: center;
}
.twofa-setup .form-actions .control-btn,
.twofa-setup .form-actions .text-action,
.twofa-setup .form-actions [data-2fa-disable] {
  height: 44px;
  min-height: 44px;
  margin-top: 0;
}
.twofa-setup {
  margin-top: var(--s3);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s3);
  align-items: start;
  padding: var(--s3);
  border-radius: var(--radius-panel);
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
}
.twofa-qr-plate {
  width: 160px;
  max-width: 100%;
}
.twofa-setup img,
.twofa-qr-plate img {
  width: 160px;
  max-width: 100%;
  aspect-ratio: 1;
  padding: var(--s1);
  border-radius: var(--radius-card);
  background: var(--soft);
  border: 1px solid var(--line);
}
.twofa-setup-fields {
  display: grid;
  gap: var(--s2);
  min-width: 0;
}
.twofa-secret-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s2);
  margin: 0;
  color: var(--ink);
}
.twofa-secret-row code {
  color: var(--ink);
  background: var(--soft);
  padding: 4px 8px;
  border-radius: var(--radius-card);
}
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--s3);
}
.notes-index {
  padding: var(--s6) 0 var(--s7);
}
.notes-toolbar {
  display: grid;
  gap: var(--s3);
  margin-bottom: var(--s5);
}
.notes-toolbar h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(36px, 4.4vw, 48px);
  letter-spacing: -0.035em;
  line-height: 1.15;
}
.notes-toolbar .status-pill {
  width: max-content;
  color: var(--brand-deep);
  background: var(--wash);
}
.post-card {
  min-height: 320px;
  padding: var(--s4);
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-panel);
  background: var(--soft);
  transition: transform 180ms ease;
}
.post-card:hover {
  transform: translateY(-6px);
}
.post-card time {
  margin-top: auto;
  padding-top: var(--s4);
  color: var(--muted);
  font-size: var(--small);
}
.faq-list details {
  padding: var(--s3) 0;
  border-bottom: 1px solid var(--line);
}
.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s3);
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}
.faq-list summary::after {
  content: "";
  width: 7px;
  height: 7px;
  flex: none;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
}
@media (min-width: 641px) and (max-width: 900px) {
  .mail-workspace {
    min-height: 0;
    align-items: start;
  }
  .mail-reader {
    min-height: 540px;
  }
}
@media (max-width: 900px) {
  .site-nav,
  .header-actions .auth-link {
    display: none;
  }
  .header-actions {
    margin-left: auto;
  }
  .nav-toggle {
    display: block;
  }
  .nav-drawer {
    position: fixed;
    inset: var(--header-h) 0 auto;
    z-index: 45;
    padding: var(--s3) 24px var(--s4);
    background: var(--paper);
  }
  .nav-drawer.is-open {
    display: grid;
    gap: var(--s2);
  }
  .night-grid,
  .guide-grid,
  .desk-grid,
  .auth-layout,
  .route-list {
    grid-template-columns: minmax(0, 1fr);
  }
  .auth-story,
  .auth-panel {
    padding: var(--s5) clamp(20px, 5vw, 32px);
  }
  .article-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .footer-top {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 640px) {
  :root {
    --lead: 18px;
    --s7: 96px;
  }
  .wrap {
    width: min(calc(100% - 32px), var(--wrap));
  }
  .site-header,
  .header-inner {
    min-height: 60px;
  }
  .brand-lockup {
    font-size: 18px;
  }
  .lang-trigger {
    min-height: 38px;
    padding: 0 12px;
    color: var(--ink);
    background: var(--soft);
  }
  .hero {
    padding-top: var(--s5);
  }
  h1 {
    font-size: clamp(42px, 12vw, 50px);
  }
  .auth-story h1 {
    font-size: clamp(28px, 8vw, 36px);
    line-height: 1.2;
    letter-spacing: -0.03em;
  }
  .auth-story {
    min-height: 0;
  }
  .auth-card {
    padding: var(--s3);
  }
  .mode-switch {
    width: 100%;
    justify-content: center;
    gap: var(--s3);
  }
  .mode-switch button,
  .mode-switch a {
    min-width: 0;
    flex: 0 1 auto;
    white-space: normal;
  }
  .mode-switch button {
    padding-inline: var(--s3);
  }
  .mail-stage {
    min-height: 0;
    margin-top: var(--s4);
    overflow: visible;
  }
  .final-cta {
    width: calc(100% - 32px);
    padding-inline: var(--s3);
  }
  .mailbar {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
    padding: var(--s2);
  }
  .address-stack {
    grid-column: 1 / -1;
  }
  .mailbox-meta {
    grid-column: 1 / 2;
    order: 3;
    flex-wrap: wrap;
  }
  .mailbar > .control-btn {
    grid-column: 2 / 3;
    grid-row: 2;
  }
  .address-value {
    overflow: visible;
    font-size: clamp(14px, 4.3vw, 18px);
    text-overflow: clip;
    white-space: nowrap;
  }
  .mail-workspace {
    min-height: 0;
    grid-template-columns: 1fr;
  }
  .message-list {
    min-height: 300px;
    border-right: 0;
  }
  .mail-reader {
    position: fixed;
    inset: 60px 0 0;
    z-index: 80;
    max-height: none;
    display: none;
    overflow-y: auto;
    color: var(--ink);
    background: var(--paper);
    transform: none;
    animation: none;
  }
  .mail-reader.is-open {
    display: block;
  }
  .reader-actions {
    justify-content: space-between;
    border-bottom: 1px solid var(--line);
  }
  .mail-reader.is-open [data-reader-close] {
    display: inline-flex;
  }
  .reader-content {
    padding-inline: var(--s3);
  }
  .trust-grid,
  .scene-grid,
  .footer-top,
  .footer-links,
  .article-grid,
  .twofa-setup {
    grid-template-columns: minmax(0, 1fr);
  }
  .desk-banner,
  .desk-banner-title,
  .alias-record,
  .archive-record {
    align-items: flex-start;
    flex-direction: column;
  }
  .alias-composer {
    grid-template-columns: minmax(0, 1fr);
  }
  .alias-composer .text-field,
  .alias-composer .control-btn,
  .alias-composer .text-action {
    width: 100%;
  }
  .record-actions {
    width: 100%;
    justify-content: flex-start;
  }
  .scene-card {
    min-height: 240px;
  }
  .support-card,
  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}

/* Interior page components and bounded detail surfaces. */
.footer-brand p {
  max-width: 340px;
  margin-top: var(--s3);
  color: var(--muted);
}
.footer-brand {
  min-width: 0;
}
.footer-brand .footer-summary,
.footer-summary {
  max-width: 340px;
  margin-top: var(--s3);
  color: var(--muted);
}
.surface-safety {
  color: var(--ink);
  background: var(--wash);
}
.diagnostic-flow,
.planning-board,
.playbook-track {
  min-width: 0;
}
.diagnostic-flow,
.planning-board {
  display: grid;
  gap: var(--s4);
}
.playbook-track {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: var(--s5);
  align-items: start;
}
.archive-detail iframe,
.reader-frame {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  border: 0;
}
.paper-band {
  padding: var(--s6) 0;
  color: var(--ink);
  background: var(--soft);
}
.timeline-cards,
.action-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--s3);
}
.info-card,
.checklist-card {
  padding: var(--s4);
  color: var(--ink);
  background: var(--wash);
  border-radius: var(--radius-card);
}
.info-card p,
.checklist-card li {
  color: var(--muted);
}
.choice-brief {
  background: var(--soft);
}
.split-copy {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: var(--s6);
}
.text-link {
  color: var(--brand);
  font-weight: 600;
}
.page-hero.hero .hero-lead + .control-btn {
  margin-top: var(--s4);
}
.split-copy .form-actions {
  align-items: center;
}
.split-copy .form-actions .text-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 4px;
}
.decision-table {
  width: 100%;
  border-collapse: collapse;
}
.decision-table th,
.decision-table td {
  padding: var(--s2);
  border-bottom: 1px solid var(--line);
  text-align: left;
}
.diagnostic-list {
  display: grid;
  gap: var(--s3);
  padding: 0;
  list-style: none;
}
.diagnostic-list li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: var(--s3);
  padding: var(--s3) 0;
  border-bottom: 1px solid var(--line);
}
.diagnostic-list li > span {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--paper);
  background: var(--brand);
}
.checklist-card ul {
  margin: 0;
  padding-left: var(--s3);
}
.score-grid,
.legal-glance,
.result-bands {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--s3);
}
.score-card,
.overview-card,
.result-bands article {
  padding: var(--s4);
  color: var(--ink);
  background: var(--wash);
  border-radius: var(--radius-card);
}
.score-card > span,
.overview-card > strong {
  display: block;
  margin-bottom: var(--s3);
  color: var(--brand);
  font-size: var(--small);
  font-weight: 600;
}
.result-bands {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.result-bands article {
  color: var(--night-ink);
  background: var(--night-card);
}
.result-bands article p {
  color: #bcc8d4;
}
.legal-copy {
  max-width: var(--wrap);
}
.legal-copy section + section {
  margin-top: var(--s5);
  padding-top: var(--s5);
  border-top: 1px solid var(--line);
}
.allow-deny {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--s4);
}
.allow-deny article {
  padding: var(--s4);
  color: var(--ink);
  background: var(--paper);
  border-radius: var(--radius-card);
}
@media (max-width: 900px) {
  .timeline-cards,
  .action-grid,
  .score-grid,
  .legal-glance,
  .result-bands {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 640px) {
  .timeline-cards,
  .action-grid,
  .score-grid,
  .legal-glance,
  .result-bands,
  .split-copy,
  .allow-deny {
    grid-template-columns: minmax(0, 1fr);
  }
  .decision-table-wrap {
    overflow-x: auto;
  }
  .decision-table {
    min-width: 680px;
  }
}

/* Field Notes reading system. */
.article-measure {
  width: min(calc(100% - 48px), 1100px);
  margin-inline: auto;
}
.article-hero {
  padding: var(--s6) 0 var(--s5);
  background: var(--paper);
}
.article-hero h1 {
  max-width: 920px;
  margin: var(--s2) 0 var(--s3);
  font-size: clamp(40px, 5vw, 64px);
  line-height: 1.04;
}
.article-hero .hero-lead {
  max-width: 760px;
  margin: 0 0 var(--s3);
}
.article-crumb {
  display: flex;
  gap: var(--s1);
  margin-bottom: var(--s4);
  color: var(--muted);
  font-size: var(--small);
}
.article-crumb a {
  color: var(--brand);
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s1);
}
.article-meta span,
.article-meta time {
  padding: 7px 12px;
  border-radius: var(--radius-control);
  color: var(--brand-deep);
  background: var(--wash);
  font-size: var(--small);
}
.article-layout {
  width: min(calc(100% - 48px), 1100px);
  max-width: 1100px;
  display: grid;
  grid-template-columns: 220px minmax(0, 760px);
  gap: 72px;
  align-items: start;
  padding-bottom: var(--s7);
}
.article-toc {
  position: sticky;
  top: calc(var(--header-h) + var(--s3));
  z-index: 3;
  padding: var(--s3);
  background: var(--soft);
  border-radius: var(--radius-card);
}
.article-toc ol {
  margin: var(--s2) 0 0;
  padding-left: 20px;
}
.article-toc li {
  margin: 0 0 8px;
  color: var(--muted);
}
.article-toc a {
  color: var(--ink);
}
.article-toc .status-pill {
  display: inline-flex;
  margin-top: var(--s2);
}
.article-body {
  min-width: 0;
  font-size: 16px;
  line-height: 1.72;
  color: var(--ink);
}
.article-body > p,
.article-body > ul,
.article-body > ol {
  margin: 0 0 var(--s3);
  color: var(--muted);
  font-size: 16px;
  line-height: 1.72;
}
.article-body h2 {
  margin: var(--s5) 0 var(--s2);
  padding-bottom: var(--s1);
  border-bottom: 1px solid var(--line);
  font-size: clamp(24px, 3vw, 30px);
  line-height: 1.2;
}
.article-body h3 {
  margin: var(--s4) 0 var(--s1);
  font-size: 18px;
}
.article-body li {
  margin-bottom: 8px;
}
.article-callout {
  margin: var(--s4) 0;
  padding: var(--s3);
  color: var(--ink);
  background: var(--wash);
  border-radius: var(--radius-card);
}
.article-callout p {
  margin: var(--s1) 0 0;
}
.decision-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--s1);
  margin: var(--s4) 0;
  padding: var(--s2);
  color: var(--ink);
  background: var(--soft);
  border-radius: var(--radius-card);
}
.decision-strip > * {
  padding: var(--s2);
}
.article-cta {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: var(--s3);
  align-items: start;
  margin-top: var(--s6);
  padding: var(--s4);
  color: var(--night-ink);
  background: var(--night);
  border-radius: var(--radius-panel);
}
.article-body .article-cta h2 {
  margin: 0 0 var(--s2);
  padding-bottom: 0;
  border-bottom: 0;
  color: var(--night-ink);
}
.article-body .article-cta h2::after {
  content: "";
  display: block;
  width: 40px;
  height: 1px;
  margin-top: 10px;
  background: rgba(215, 224, 232, 0.4);
}
.article-cta p {
  color: #d7e0e8;
}
.article-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
  align-items: center;
  margin-top: var(--s4);
}
.article-cta .control-btn {
  color: var(--paper);
  background: var(--brand);
}
.article-cta .text-link {
  color: var(--paper);
}
.recommend-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 40;
  width: min(320px, calc(100vw - 32px));
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: var(--s2);
  align-items: center;
  padding: var(--s3);
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: 0 18px 50px rgba(16, 32, 48, 0.16);
}
.recommend-float strong {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: var(--small);
}
.recommend-float a {
  color: var(--brand);
  font-weight: 600;
}
.recommend-float-close {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: var(--radius-control);
  color: var(--ink);
  background: var(--soft);
  cursor: pointer;
}
@media (max-width: 900px) {
  .article-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--s4);
  }
  .article-toc {
    position: static;
  }
  .decision-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 640px) {
  .article-measure {
    width: min(calc(100% - 32px), 1100px);
  }
  .article-hero {
    padding-top: var(--s5);
  }
  .article-hero h1 {
    font-size: 40px;
  }
  .article-cta {
    grid-template-columns: minmax(0, 1fr);
  }
  .decision-strip {
    grid-template-columns: minmax(0, 1fr);
  }
  .recommend-float {
    right: 16px;
    bottom: 16px;
  }
}