:root {
  color-scheme: light;
  --level-1: #f1f2ef;
  --level-2: #f6f7f4;
  --level-3: #fafbf9;
  --level-4: #ffffff;
  --background: var(--level-1);
  --surface: var(--level-4);
  --surface-strong: var(--level-2);
  --surface-item: var(--level-4);
  --surface-item-hover: var(--level-3);
  --text: #202123;
  --muted: #65686f;
  --border: #cfd3cb;
  --border-strong: #b7beb4;
  --divider: #e5e8e1;
  --accent: #10a37f;
  --accent-soft: #dcefe9;
  --status-yellow: #111111;
  --status-yellow-border: #e7c665;
  --danger: #b42318;
  --focus: #2563eb;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Microsoft YaHei UI", "Microsoft YaHei", "PingFang SC",
    "Hiragino Sans GB", "Noto Sans CJK SC", "Noto Sans SC",
    "Source Han Sans SC", "WenQuanYi Micro Hei", Roboto,
    "Droid Sans Fallback", "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas,
    "Liberation Mono", "Noto Sans Mono CJK SC", "Source Han Mono SC",
    monospace;
}

* {
  box-sizing: border-box;
}

html {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--background);
}

body {
  margin: 0;
  min-width: 320px;
}

a {
  color: inherit;
}

button,
input,
textarea,
select {
  font: inherit;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.page-mask {
  position: fixed;
  left: 0;
  right: 0;
  top: var(--topbar-height, 72px);
  bottom: 0;
  z-index: 8;
  background: rgb(0 0 0 / 18%);
  backdrop-filter: blur(1px);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--level-4) 94%, transparent);
  backdrop-filter: blur(10px);
}

.topbar__inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  position: relative;
  font-weight: 650;
}

.brand__menu-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0 8px 0 0;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font-weight: 650;
  transition:
    background-color 140ms ease,
    border-color 140ms ease,
    transform 140ms ease;
}

.brand__menu-button:hover {
  border-color: var(--border);
  background: var(--level-3);
}

.brand__menu-button:active {
  transform: scale(0.98);
}

.brand__logo {
  display: block;
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
}

.brand-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  z-index: 20;
  width: min(640px, calc(100vw - 32px));
  max-height: min(72vh, 620px);
  overflow: auto;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow:
    0 10px 24px rgb(32 33 35 / 10%),
    0 2px 6px rgb(32 33 35 / 6%);
}

.brand-menu__portal {
  display: block;
  margin-bottom: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--level-4);
  color: var(--text);
  font-weight: 650;
  text-decoration: none;
}

.brand-menu__portal:hover,
.brand-menu__links a:hover {
  border-color: var(--border-strong);
  background: var(--level-3);
  color: var(--accent);
}

.brand-menu__group {
  padding: 10px 0 0;
  border-top: 1px solid var(--border);
}

.brand-menu__group + .brand-menu__group {
  margin-top: 10px;
}

.brand-menu__group h2 {
  margin: 0 0 8px;
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.3;
  text-transform: uppercase;
}

.brand-menu__group h2 .section__icon {
  width: 17px;
  height: 17px;
}

.brand-menu__links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.brand-menu__links a {
  min-width: 0;
  overflow-wrap: anywhere;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 500;
  line-height: 1.35;
  text-decoration: none;
}

.brand-menu__state {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--muted);
  font-size: 0.95rem;
}

.login-link {
  text-decoration: none;
}

.login-link:hover,
.item-card__title:hover,
.board-card a:hover {
  color: var(--accent);
}

.user-menu__trigger {
  min-height: 40px;
  max-width: min(280px, calc(100vw - 190px));
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px 0 9px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--background);
  color: var(--text);
  cursor: pointer;
  transition: background-color 140ms ease;
}

.user-menu__trigger:hover {
  background: var(--level-3);
}

.user-menu__trigger svg {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  stroke-width: 1.8;
}

.user-menu__trigger span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text);
  font-weight: 500;
}

.user-menu {
  position: relative;
}

.user-menu__panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 150px;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--background);
  box-shadow: 0 16px 40px rgb(0 0 0 / 12%);
}

.user-menu__panel a,
.user-menu__action {
  display: flex;
  align-items: center;
  gap: 9px;
  width: 100%;
  padding: 9px 10px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: inherit;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
}

.user-menu__panel svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  stroke-width: 1.8;
}

.user-menu__panel a:hover,
.user-menu__action:hover {
  background: var(--level-3);
}

.main {
  max-width: 1180px;
  width: 100%;
  margin: 0 auto;
  padding: 34px 24px 56px;
}

.intro {
  position: relative;
  max-width: 760px;
  margin-bottom: 36px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 22px 190px 22px 24px;
  background: var(--level-4);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
}

.intro h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: 0;
}

.intro h1 a {
  color: inherit;
  text-decoration: none;
}

.intro h1 a:hover,
.intro h1 a:focus-visible {
  color: var(--accent);
}

.intro p:last-child {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

.intro__extra {
  margin-top: 16px;
}

.intro__metrics {
  position: absolute;
  top: 18px;
  right: 20px;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  max-width: 150px;
  gap: 10px;
  z-index: 2;
}

.intro__extra .item-card__meta {
  margin-top: 0;
  min-width: 0;
}

.dashboard {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.login-panel {
  max-width: 620px;
  margin: 28px auto 0;
  padding: 28px;
  display: grid;
  grid-template-columns: 118px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.login-panel__brand {
  min-height: 118px;
  display: grid;
  place-items: center;
  border-right: 1px solid var(--divider);
}

.login-panel__brand .brand__logo {
  width: 76px;
  height: 76px;
}

.login-panel__body {
  min-width: 0;
}

.login-panel__header h1 {
  margin: 0;
  font-size: 1.5rem;
  line-height: 1.25;
  letter-spacing: 0;
}

.login-panel__header p {
  margin: 8px 0 24px;
  color: var(--muted);
  line-height: 1.5;
}

.message-panel {
  max-width: 680px;
  margin: 18px auto 0;
  padding: 22px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.message-panel__icon {
  width: 38px;
  height: 38px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--level-3);
}

.message-panel__icon svg {
  width: 21px;
  height: 21px;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.message-panel__icon--warning {
  color: #8a5d00;
  background: #fff7d7;
}

.message-panel__icon--error {
  color: var(--danger);
  background: #fff1ef;
}

.message-panel__content h2 {
  margin: 0;
  font-size: 1.18rem;
  line-height: 1.35;
}

.message-panel__content p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.message-panel__action {
  min-height: 38px;
  margin-top: 16px;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  font-weight: 650;
  text-decoration: none;
}

.message-panel__action:hover,
.message-panel__action:focus-visible {
  background: #0b896b;
}

.login-form {
  display: grid;
  gap: 18px;
}

.login-form[hidden] {
  display: none;
}

.login-field {
  display: grid;
  gap: 7px;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 600;
}

.login-field input,
.login-field select {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--level-4);
  color: var(--text);
  font-weight: 400;
}

.login-field input:focus,
.login-field select:focus {
  border-color: var(--focus);
}

.login-form__error {
  margin: -3px 0 0;
  color: var(--danger);
  font-size: 0.9rem;
}

.login-submit {
  min-height: 44px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: #ffffff;
  font-weight: 650;
  cursor: pointer;
}

.login-submit:hover {
  background: #0b896b;
}

.login-submit:disabled {
  opacity: 0.62;
  cursor: wait;
}

.login-reset {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.login-reset__toggle {
  min-height: 36px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--accent);
  font: inherit;
  font-weight: 650;
  cursor: pointer;
}

.login-reset__toggle:hover {
  color: #0b896b;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.login-reset__form {
  margin-top: 14px;
}

.login-reset__commands {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.login-reset__commands .login-submit,
.login-reset__commands .password-change__cancel {
  padding: 0 18px;
}

.section {
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--level-4);
}

.section--wide {
  grid-column: 1 / -1;
}

.section__header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--level-2);
}

.section h2 {
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.3;
}

.section__icon {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  color: var(--text);
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.section__state {
  margin: 0;
  padding: 14px 16px;
  color: var(--muted);
}

.item-list {
  display: grid;
  gap: 1px;
  background: var(--divider);
}

.item-card,
.board-card {
  position: relative;
  border: 0;
  border-radius: 0;
  padding: 12px 16px;
  background: var(--level-4);
  color: var(--text);
  cursor: pointer;
  transition: background-color 140ms ease;
}

.item-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 10px;
}

.board-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
}

.item-card:hover,
.item-card:focus-within,
.board-card:hover,
.board-card:focus-within {
  background: var(--level-3);
}

.item-card:active,
.board-card:active {
  background: var(--level-3);
}

.item-card__icon {
  width: 30px;
  height: 30px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: var(--level-4);
  color: var(--muted);
}

.item-card__icon svg,
.type-icon {
  width: 17px;
  height: 17px;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.item-card__icon--post {
  color: var(--muted);
  background: var(--level-4);
}

.item-card__icon--reply {
  border-color: transparent;
  background: transparent;
  color: var(--muted);
}

.reply-icon {
  width: 13px;
  height: 13px;
  stroke-width: 2;
  stroke-linejoin: round;
}

.post-type-normal {
  color: var(--muted);
}

.post-type-original {
  color: var(--muted);
}

.post-type-forward {
  color: var(--muted);
}

.post-type-announce {
  color: var(--muted);
}

.item-card__title-row {
  min-width: 0;
  display: block;
}

.item-card__content {
  min-width: 0;
}

.item-card__title {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: 0.96rem;
  font-weight: 650;
  line-height: 1.35;
  text-decoration: none;
}

.item-card__title::after {
  content: "";
  position: absolute;
  inset: -12px -16px;
  z-index: 2;
}

.badge {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 8px 2px 6px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--muted);
  font-size: 0.78rem;
  white-space: nowrap;
  background: var(--surface);
}

.badge .type-icon {
  width: 14px;
  height: 14px;
}

.status-bar {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-height: 24px;
  margin-left: 8px;
  padding: 3px 5px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: var(--level-4);
  color: var(--status-yellow);
  position: relative;
  pointer-events: none;
  vertical-align: middle;
  z-index: 3;
}

.status-bar span {
  display: inline-grid;
  place-items: center;
}

.status-bar svg {
  width: 14px;
  height: 14px;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.item-card__meta,
.board-card p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 14px;
}

.post-meta__item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.post-meta__item svg {
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.post-meta__label {
  color: var(--muted);
}

.post-meta__link {
  position: relative;
  z-index: 3;
  color: inherit;
  text-decoration: none;
}

.post-meta__link:hover,
.post-meta__link:focus-visible {
  color: var(--accent);
}

.user-card {
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
}

.user-card__body {
  min-width: 0;
}

.user-card__metrics {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.board-card__body {
  min-width: 0;
}

.board-card__metrics {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.metric-pill {
  display: inline-grid;
  justify-items: center;
  gap: 3px;
  min-width: 44px;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.1;
  text-transform: lowercase;
}

.metric-pill__value {
  min-width: 34px;
  height: 34px;
  padding: 0 9px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: var(--level-4);
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 650;
  line-height: 1;
}

.user-profile {
  background: var(--level-4);
}

.user-profile__main {
  padding: 18px 20px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 14px;
}

.user-profile__icon {
  width: 46px;
  height: 46px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--level-4);
  color: var(--muted);
}

.user-profile__icon svg {
  width: 26px;
  height: 26px;
  stroke-width: 1.7;
}

.user-profile__body {
  min-width: 0;
}

.user-profile__heading {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.user-profile__heading h1 {
  margin: 0;
  font-size: 1.35rem;
  line-height: 1.35;
  letter-spacing: 0;
}

.user-profile__metrics {
  display: flex;
  gap: 8px;
}

.user-profile__text,
.user-profile__signature {
  margin: 12px 0 0;
}

.user-profile__text h2,
.user-profile__signature h2 {
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
  line-height: 1.3;
  text-transform: uppercase;
}

.user-profile__text p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.user-profile__actions {
  padding: 10px 20px;
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  border-top: 1px solid var(--divider);
  background: var(--level-2);
}

.statistics-confirmation {
  margin: 0;
  padding: 18px 20px 20px;
  display: grid;
  gap: 14px;
  border-top: 1px solid var(--divider);
  background: var(--level-3);
}

.statistics-confirmation[hidden] {
  display: none;
}

.statistics-confirmation h2 {
  margin: 0;
  font-size: 1rem;
  letter-spacing: 0;
}

.statistics-confirmation p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.statistics-confirmation .login-form__error {
  color: var(--danger);
}

.post-delete__warning {
  color: var(--danger);
  font-weight: 650;
}

.role-change select {
  width: 100%;
  max-width: 280px;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--level-4);
  color: var(--text);
}

.role-change select:focus {
  border-color: var(--focus);
}

.profile-update input,
.profile-update textarea {
  width: 100%;
  max-width: 560px;
  padding: 10px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--level-4);
  color: var(--text);
  font: inherit;
  font-weight: 400;
}

.profile-update input {
  min-height: 44px;
}

.profile-update textarea {
  resize: vertical;
}

.profile-update input:focus,
.profile-update textarea:focus {
  border-color: var(--focus);
}

.password-change {
  margin: 0;
  padding: 20px;
  display: grid;
  gap: 16px;
  border-top: 1px solid var(--divider);
  background: var(--level-3);
}

.password-change[hidden] {
  display: none;
}

.password-change h2 {
  margin: 0;
  font-size: 1rem;
  letter-spacing: 0;
}

.password-change__fields {
  display: grid;
  gap: 16px;
}

.password-change__fields[hidden] {
  display: none;
}

.password-change__notice,
.password-change__policy,
.password-change__success {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.password-change__success {
  padding: 12px 14px;
  border: 1px solid color-mix(in srgb, var(--accent) 50%, var(--border));
  border-radius: 7px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 650;
}

.password-change__buttons {
  display: flex;
  gap: 10px;
}

.password-change__buttons .login-submit {
  padding: 0 18px;
}

.password-change__cancel {
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--level-4);
  color: var(--text);
  cursor: pointer;
}

.password-change__cancel:hover {
  background: var(--level-2);
}

.user-profile__signature p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  font-style: italic;
  line-height: 1.65;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.activity-panel {
  overflow: hidden;
}

.activity-tabs {
  padding: 10px 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  background: var(--level-2);
}

.activity-tabs__tab {
  min-height: 38px;
  padding: 9px 13px;
  border: 1px solid transparent;
  border-radius: 7px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
}

.activity-tabs__tab:hover,
.activity-tabs__tab:focus-visible {
  background: var(--level-3);
  color: var(--accent);
}

.activity-tabs__tab.is-selected {
  border-color: var(--border);
  background: var(--level-4);
  color: var(--text);
}

.user-directory__filters {
  padding: 16px;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 190px 180px auto;
  align-items: end;
  gap: 12px;
}

.user-directory__filters select {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--level-4);
  color: var(--text);
}

.user-directory__filters .login-submit {
  padding: 0 20px;
}

.search-form {
  padding: 16px;
  display: grid;
  gap: 16px;
}

.search-panel .section__header > svg {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
}

.search-form__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: end;
  gap: 12px;
}

.search-form__check {
  min-height: 44px;
  display: flex;
  align-items: end;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 600;
}

.search-form__check input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.search-form__check > span {
  min-height: 44px;
  width: 100%;
  padding: 9px 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--level-4);
  color: var(--text);
  cursor: pointer;
  transition:
    background-color 140ms ease,
    border-color 140ms ease,
    color 140ms ease;
}

.search-form__check svg {
  width: 18px;
  height: 18px;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.search-form__check input:checked + span {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.search-form__check input:focus-visible + span {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.search-form__actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.search-form__actions .login-submit,
.search-form__actions .password-change__cancel {
  min-height: 44px;
  min-width: 110px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.search-results {
  padding-bottom: 16px;
}

.search-results__list {
  display: grid;
  gap: 10px;
  padding: 0 12px 12px;
}

.search-method {
  margin: 0 12px 12px;
  padding: 10px 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--level-3);
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.search-method__label {
  color: var(--text);
  font-weight: 700;
}

.search-method strong {
  color: var(--text);
}

.search-result {
  position: relative;
  margin: 0;
}

.search-result .board-post {
  border-bottom: 0;
  padding-right: 170px;
}

.search-result__board-pill {
  position: absolute;
  top: 12px;
  right: 12px;
  max-width: 145px;
  min-height: 30px;
  padding: 5px 9px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--level-4);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 650;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.search-result__board-pill:hover {
  border-color: var(--border-strong);
  background: var(--level-3);
  color: var(--accent);
}

.search-result__board-pill svg {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
}

.user-add__form {
  padding: 20px;
  display: grid;
  gap: 16px;
}

.user-add__fields {
  max-width: 760px;
  display: grid;
  grid-template-columns: repeat(2, minmax(230px, 1fr));
  gap: 16px;
}

.user-add__fields textarea {
  width: 100%;
  padding: 10px 12px;
  resize: vertical;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--level-4);
  color: var(--text);
  font: inherit;
  font-weight: 400;
}

.user-add__fields textarea:focus {
  border-color: var(--focus);
}

.user-add__password-suggestion {
  grid-column: 1 / -1;
  padding: 14px;
  display: grid;
  grid-template-columns: auto minmax(170px, 1fr) auto;
  align-items: center;
  gap: 10px 16px;
  border: 1px solid var(--divider);
  border-radius: 6px;
  background: var(--level-3);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 600;
}

.user-add__password-suggestion output {
  padding: 9px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--level-4);
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0;
  user-select: all;
}

.user-add__password-actions {
  display: flex;
  gap: 8px;
}

.user-add__password-actions .tool-button {
  background: var(--level-4);
}

.user-add__password-suggestion p {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--muted);
  font-weight: 400;
}

.user-add__intro {
  grid-column: 1 / -1;
}

.user-add__introducer {
  max-width: 760px;
  padding: 16px;
  display: grid;
  gap: 12px;
  border: 1px solid var(--divider);
  border-radius: 6px;
  background: var(--level-3);
}

.user-add__introducer h3,
.user-add__selected {
  margin: 0;
}

.user-add__selected {
  color: var(--muted);
  font-size: 0.9rem;
}

.user-add__selected a {
  color: var(--accent);
  text-decoration: none;
}

.user-add__selected.is-selected {
  color: var(--text);
  font-weight: 600;
}

.user-add__search {
  display: grid;
  grid-template-columns: minmax(230px, 1fr) auto auto;
  align-items: end;
  gap: 10px;
}

.user-add__results .section__state {
  background: var(--level-4);
}

.user-add__results[hidden] {
  display: none;
}

.user-add__form .login-submit {
  padding: 0 20px;
}

.user-table__scroll {
  overflow-x: auto;
}

.user-table {
  width: 100%;
  min-width: 920px;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.user-table th {
  padding: 12px 14px;
  background: var(--level-2);
  color: var(--muted);
  text-align: left;
  font-weight: 650;
}

.user-table td {
  padding: 12px 14px;
  border-top: 1px solid var(--divider);
  color: var(--text);
  white-space: nowrap;
}

.user-table tbody tr:hover {
  background: var(--level-3);
}

.user-table a {
  color: var(--accent);
  text-decoration: none;
}

.user-table a:hover {
  text-decoration: underline;
}

.user-table__empty {
  color: var(--muted);
  text-align: center;
}

@media (max-width: 560px) {
  .user-add__fields,
  .user-add__search {
    grid-template-columns: 1fr;
  }

  .user-add__password-suggestion {
    grid-template-columns: 1fr;
  }

  .user-add__password-actions {
    grid-column: 1;
  }
}

.site-manager__intro {
  padding-bottom: 0;
}

.site-manager__controller .section__header {
  gap: 12px;
}

.site-manager__controller .section__header > svg {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  color: var(--muted);
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.site-manager__controller .section__header button {
  margin-left: auto;
}

.site-manager__controller .section__header button + button {
  margin-left: 0;
}

.site-category-editor {
  overflow: hidden;
}

.site-category-form {
  padding: 16px;
  background: var(--level-2);
  border-bottom: 1px solid var(--divider);
}

.site-category-form__heading {
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-category-form__heading .section__icon {
  color: var(--muted);
}

.site-category-form__heading h2 {
  margin: 0;
  font-size: 1rem;
}

.site-category-form__actions {
  margin-left: auto;
  display: flex;
  gap: 8px;
}

.site-fields {
  display: grid;
  gap: 12px;
  align-items: end;
}

.site-fields--category {
  grid-template-columns: minmax(180px, 1fr) minmax(240px, 2fr) 90px auto;
}

.site-fields--board {
  grid-template-columns: repeat(4, minmax(130px, 1fr));
}

.site-fields--board-create {
  grid-template-columns: minmax(180px, 1fr) minmax(240px, 2fr) 90px auto;
}

.site-fields__comment {
  grid-column: span 2;
}

.site-fields select {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--level-4);
  color: var(--text);
}

.site-master-editor {
  margin-top: 12px;
  display: flex;
  gap: 12px;
  align-items: center;
}

.site-master-fields {
  display: flex;
  flex: 1;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.site-master-field {
  min-height: 44px;
  padding: 5px 5px 5px 14px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: var(--level-4);
}

.site-master-field a {
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
}

.site-master-field a:hover {
  color: var(--accent);
}

.site-master-field__remove {
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
}

.site-master-fields__empty {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-master-picker {
  margin-top: 14px;
  padding: 14px;
  display: grid;
  gap: 12px;
  border: 1px solid var(--divider);
  border-radius: 6px;
  background: var(--level-3);
}

.site-master-picker[hidden] {
  display: none;
}

.site-master-picker h2 {
  margin: 0;
  font-size: 0.96rem;
}

.site-master-picker__controls {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto auto;
  align-items: end;
  gap: 10px;
}

.site-master-results {
  display: grid;
  gap: 1px;
  border: 1px solid var(--divider);
  border-radius: 6px;
  overflow: hidden;
  background: var(--divider);
}

.site-master-result {
  min-height: 42px;
  padding: 9px 12px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border: 0;
  background: var(--level-4);
  color: var(--text);
  cursor: pointer;
  text-align: left;
}

.site-master-result:hover,
.site-master-result:focus-visible {
  background: var(--level-2);
}

.site-master-result__meta {
  color: var(--muted);
  font-size: 0.85rem;
}

.site-board-form {
  padding: 16px;
  border-bottom: 1px solid var(--divider);
  background: var(--level-4);
}

.site-board-form:last-child {
  border-bottom: 0;
}

.site-board-form__header {
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-board-form__header > .password-change__cancel {
  min-height: 38px;
  padding-inline: 12px;
}

.site-board-form__link::after {
  display: none;
}

.site-board-form__metrics {
  margin-left: auto;
  display: flex;
  gap: 8px;
}

.site-board-form .statistics-confirmation {
  margin-top: 16px;
}

.site-manager__message {
  margin: 12px 0 0;
}

.site-create-form__cancel {
  justify-self: start;
}

.board-groups {
  display: grid;
  gap: 1px;
  background: var(--divider);
}

.board-category {
  background: var(--level-4);
}

.board-category__header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--divider);
  background: var(--level-2);
}

.board-category__header h3 {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.3;
  text-transform: uppercase;
}

.board-category__header .section__icon {
  width: 18px;
  height: 18px;
}

.board-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--divider);
}

.pager {
  padding: 10px 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--level-2);
}

.pager--with-action {
  justify-content: space-between;
}

.pager__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}

.pager__button {
  min-height: 34px;
  padding: 7px 11px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--level-4);
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
}

.pager__button:hover {
  border-color: var(--border-strong);
  background: var(--level-3);
  color: var(--accent);
}

.pager__button.is-disabled {
  pointer-events: none;
  opacity: 0.42;
}

.pager__status {
  min-width: 110px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 650;
  text-align: center;
}

.post-tree-card {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--divider);
}

.post-controller {
  padding: 10px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  background: var(--level-2);
}

.post-create-button,
.post-editor__login {
  min-height: 42px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--accent);
  border-radius: 7px;
  background: var(--accent);
  color: #fff;
  font-size: 0.92rem;
  font-weight: 650;
  text-decoration: none;
  transition: filter 140ms ease, background-color 140ms ease;
}

.post-create-button:hover,
.post-create-button:focus-visible,
.post-editor__login:hover,
.post-editor__login:focus-visible {
  filter: brightness(0.92);
}

.post-create-button svg {
  width: 18px;
  height: 18px;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.pager__create-button {
  flex: 0 0 auto;
}

.post-controller__board {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-weight: 650;
  text-decoration: none;
}

.post-controller__board:hover {
  color: var(--accent);
}

.post-controller__board svg {
  width: 18px;
  height: 18px;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.post-controller__actions {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.tool-button {
  width: 36px;
  height: 36px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--level-4);
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
}

.tool-button:hover:not(:disabled) {
  border-color: var(--border-strong);
  background: var(--level-3);
  color: var(--accent);
}

.tool-button--danger:hover:not(:disabled),
.tool-button--danger:focus-visible {
  border-color: var(--danger);
  color: var(--danger);
}

.tool-button.is-current {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

.tool-button:disabled {
  cursor: default;
  opacity: 0.45;
}

.tool-button svg {
  width: 18px;
  height: 18px;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.post-controller__hint {
  align-self: center;
  color: var(--muted);
  font-size: 0.9rem;
  white-space: nowrap;
}

.post-controller__feedback {
  margin: 0;
  padding: 9px 12px;
  border-top: 1px solid var(--border);
  color: var(--accent);
  font-size: 0.9rem;
}

.post-controller__feedback.is-error {
  color: var(--danger);
}

.post-detail {
  background: var(--level-4);
}

.post-editor {
  overflow: hidden;
  background: var(--level-4);
}

.post-editor__form {
  padding: 20px;
  display: grid;
  gap: 16px;
}

.post-editor__form textarea {
  width: 100%;
  padding: 12px;
  resize: vertical;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--level-4);
  color: var(--text);
  font: inherit;
  line-height: 1.6;
}

.post-editor__form textarea[name="content"] {
  font-size: 0.98rem;
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: 0;
}

.post-editor__form textarea:focus {
  border-color: var(--focus);
}

.post-editor__form--update .post-editor__subject input {
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0;
}

.post-editor__type-options,
.post-editor__format-options {
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  border: 0;
}

.post-editor__type-options legend,
.post-editor__format-options legend {
  width: 100%;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 600;
}

.post-editor__type-hint,
.post-editor__hint {
  width: 100%;
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.5;
}

.post-editor__type-choice,
.post-editor__format-choice,
.post-editor__encrypted {
  min-height: 42px;
  padding: 8px 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--level-4);
  color: var(--muted);
  cursor: pointer;
}

.post-editor__type-choice:has(input:checked),
.post-editor__format-choice:has(input:checked),
.post-editor__encrypted:has(input:checked) {
  color: #fff;
}

.post-editor__type-choice input,
.post-editor__format-choice input,
.post-editor__encrypted input {
  position: absolute;
  opacity: 0;
}

.post-editor__type-choice svg,
.post-editor__encrypted svg {
  width: 19px;
  height: 19px;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.post-editor__type-choice.post-type-normal:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent);
}

.post-editor__type-choice.post-type-original:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent);
}

.post-editor__type-choice.post-type-forward:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent);
}

.post-editor__type-choice.post-type-announce:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent);
}

.post-editor__encrypted {
  max-width: max-content;
}

.post-editor__encrypted:has(input:checked) {
  border-color: #4d535b;
  background: #4d535b;
}

.post-editor__format-choice:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent);
}

.post-editor__format-readonly {
  min-height: 34px;
  padding: 6px 11px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--level-3);
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.35;
}

.post-editor__resources {
  margin: 0;
  padding: 14px;
  display: grid;
  grid-template-columns: minmax(160px, 240px) minmax(240px, 1fr);
  gap: 12px;
  border: 1px solid var(--divider);
  border-radius: 6px;
  background: var(--level-3);
}

.post-editor__resources legend {
  padding: 0 6px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 600;
}

.post-editor__image {
  grid-column: 1 / -1;
}

.post-editor__uploads {
  grid-template-columns: 1fr;
}

.post-editor__image input[type="file"] {
  padding: 8px 10px;
}

.post-editor__upload-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.87rem;
}

.post-editor__preview {
  border-top: 1px solid var(--divider);
  border-bottom: 1px solid var(--divider);
  background: var(--level-4);
}

.post-editor__preview h3 {
  margin: 0;
  padding: 10px 12px;
  border-bottom: 1px solid var(--divider);
  background: var(--level-2);
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 600;
}

.post-editor__preview .post-detail__body {
  min-height: 52px;
  padding: 14px 12px;
}

.post-editor__hint {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 400;
  line-height: 1.4;
}

.post-editor__attached {
  grid-column: 1 / -1;
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 0.88rem;
}

.post-editor__attached svg {
  width: 18px;
  height: 18px;
  stroke-width: 1.7;
}

.post-editor__commands {
  display: flex;
  align-items: center;
  gap: 10px;
}

.post-editor__commands .password-change__cancel {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.post-detail__header {
  padding: 18px 20px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 12px;
  border-bottom: 1px solid var(--divider);
}

.post-detail__heading {
  min-width: 0;
}

.post-detail__heading .item-card__title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.post-detail__heading h1,
.post-detail__heading h2 {
  margin: 0;
  color: var(--text);
  font-size: 1.2rem;
  line-height: 1.4;
  letter-spacing: 0;
}

.post-detail__heading h1 a,
.post-detail__heading h2 a {
  color: inherit;
  text-decoration: none;
}

.post-detail__heading h1 a:hover,
.post-detail__heading h1 a:focus-visible,
.post-detail__heading h2 a:hover,
.post-detail__heading h2 a:focus-visible {
  color: var(--accent);
}

.post-detail__heading .status-bar {
  margin-left: 0;
}

.post-detail__body {
  padding: 22px 20px;
  color: var(--text);
  font-size: 0.98rem;
  line-height: 1.7;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.post-detail__body a,
.print-post__body a,
.post-signature a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.post-detail__body a:hover,
.post-detail__body a:focus-visible,
.print-post__body a:hover,
.print-post__body a:focus-visible,
.post-signature a:hover,
.post-signature a:focus-visible {
  color: var(--accent-strong);
}

.post-detail__body--markdown,
.post-signature--markdown,
.print-post__body--markdown {
  white-space: normal;
}

.post-detail__body--markdown > :first-child,
.post-signature--markdown > :first-child,
.print-post__body--markdown > :first-child {
  margin-top: 0;
}

.post-detail__body--markdown > :last-child,
.post-signature--markdown > :last-child,
.print-post__body--markdown > :last-child {
  margin-bottom: 0;
}

.post-detail__body--markdown h2,
.post-detail__body--markdown h3,
.post-detail__body--markdown h4,
.print-post__body--markdown h2,
.print-post__body--markdown h3,
.print-post__body--markdown h4 {
  margin: 1.1em 0 0.45em;
  line-height: 1.4;
}

.post-detail__body--markdown h2,
.print-post__body--markdown h2 {
  font-size: 1.28rem;
  font-weight: 700;
}

.post-detail__body--markdown h3,
.print-post__body--markdown h3 {
  font-size: 1.14rem;
  font-weight: 650;
}

.post-detail__body--markdown h4,
.print-post__body--markdown h4 {
  font-size: 1.02rem;
  font-weight: 650;
}

.post-detail__body--markdown p,
.post-detail__body--markdown ul,
.post-detail__body--markdown ol,
.post-detail__body--markdown blockquote,
.post-detail__body--markdown pre,
.post-detail__body--markdown .markdown-math--block,
.post-detail__body--markdown .markdown-table-scroll,
.print-post__body--markdown p,
.print-post__body--markdown ul,
.print-post__body--markdown ol,
.print-post__body--markdown blockquote,
.print-post__body--markdown pre,
.print-post__body--markdown .markdown-math--block,
.print-post__body--markdown .markdown-table-scroll {
  margin: 0.75em 0;
}

.post-detail__body--markdown blockquote,
.print-post__body--markdown blockquote {
  padding-left: 14px;
  border-left: 3px solid var(--border);
  color: var(--muted);
}

.post-detail__body--markdown code,
.post-signature--markdown code,
.print-post__body--markdown code {
  padding: 1px 4px;
  border-radius: 4px;
  background: var(--level-2);
  font-family: var(--font-mono);
  font-size: 0.92em;
}

.post-detail__body--markdown pre,
.print-post__body--markdown pre {
  padding: 12px;
  overflow-x: auto;
  border: 1px solid var(--divider);
  border-radius: 6px;
  background: var(--level-2);
}

.post-detail__body--markdown pre code,
.print-post__body--markdown pre code {
  padding: 0;
  background: transparent;
}

.markdown-math {
  font-family: "Times New Roman", "STIX Two Math", "Cambria Math", serif;
  font-size: 1.04em;
  line-height: 1.4;
}

.markdown-math--block {
  display: block;
  overflow-x: auto;
  padding: 8px 0;
  line-height: 2;
  text-align: center;
}

.markdown-math--inline {
  display: inline;
  white-space: nowrap;
}

.markdown-math__large-op {
  font-size: 1.35em;
  vertical-align: middle;
}

.markdown-math__scripted {
  display: inline-block;
  white-space: nowrap;
  vertical-align: middle;
}

.markdown-math__scripted sub,
.markdown-math__scripted sup {
  font-size: 0.72em;
  line-height: 0;
}

.markdown-math__frac {
  display: inline-grid;
  grid-template-rows: auto auto;
  align-items: center;
  justify-items: center;
  min-width: 1.2em;
  margin-inline: 0.12em;
  vertical-align: middle;
}

.markdown-math__frac > span:first-child {
  width: 100%;
  padding-inline: 0.18em;
  border-bottom: 1px solid currentColor;
  text-align: center;
}

.markdown-math__frac > span:last-child {
  padding-inline: 0.18em;
  text-align: center;
}

.markdown-math__sqrt::before {
  content: "√";
  padding-right: 0.05em;
}

.markdown-math__sqrt > span {
  display: inline-block;
  padding: 0 0.12em;
  border-top: 1px solid currentColor;
}

.markdown-table-scroll {
  max-width: 100%;
  overflow-x: auto;
}

.markdown-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 0.94rem;
}

.markdown-table th,
.markdown-table td {
  padding: 8px 10px;
  border: 1px solid var(--divider);
  vertical-align: top;
}

.markdown-table th {
  background: var(--level-2);
  color: var(--text);
  font-weight: 650;
}

.markdown-table tbody tr:nth-child(even) {
  background: var(--level-3);
}

.markdown-table__cell--left {
  text-align: left;
}

.markdown-table__cell--center {
  text-align: center;
}

.markdown-table__cell--right {
  text-align: right;
}

.post-detail__body--empty {
  padding-block: 14px;
}

.empty-content-pill {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  padding: 3px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.84rem;
  font-style: italic;
  line-height: 1.3;
}

.encrypted-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 30px;
  padding: 4px 11px 4px 9px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--level-4);
  color: var(--muted);
  font-style: italic;
  line-height: 1.3;
}

.encrypted-pill svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  stroke-width: 1.8;
}

.post-resources,
.post-signature,
.point-awards {
  margin: 0 20px 18px;
  padding-top: 16px;
  border-top: 1px solid var(--divider);
}

.post-resources {
  display: grid;
  justify-items: start;
  gap: 12px;
}

.post-resource__link,
.post-resource__external-image {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--accent);
  text-decoration: none;
}

.post-resource__link,
.post-resource__external-image {
  min-height: 30px;
  padding: 4px 11px 4px 9px;
  border: 1px solid var(--accent);
  border-radius: 999px;
  background: var(--level-4);
  transition: background-color 140ms ease;
}

.post-resource__link:hover,
.post-resource__link:focus-visible,
.post-resource__external-image:hover,
.post-resource__external-image:focus-visible {
  background: var(--accent-soft);
}

.post-resource__link svg,
.post-resource__external-image svg {
  width: 18px;
  height: 18px;
  stroke-width: 1.7;
}

.post-resource__image {
  display: block;
  max-width: min(100%, 720px);
  height: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.post-resource__missing-image {
  justify-self: start;
}

.post-signature {
  color: var(--muted);
  font-size: 0.9rem;
  font-style: italic;
  line-height: 1.65;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.point-awards h2 {
  margin: 0 0 10px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 0.86rem;
  text-transform: uppercase;
}

.point-awards h2 svg {
  width: 15px;
  height: 15px;
  stroke-width: 1.7;
}

.point-awards ul {
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  list-style: none;
}

.point-awards li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
}

.point-awards__user {
  line-height: 26px;
  color: inherit;
  text-decoration: none;
}

.point-awards__user:hover,
.point-awards__user:focus-visible {
  color: var(--accent);
}

.point-pill {
  min-width: 38px;
  height: 26px;
  padding: 0 10px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: var(--level-4);
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 650;
  line-height: 1;
}

.post-list {
  display: grid;
  gap: 12px;
}

.post-list .post-detail.is-selected {
  background: var(--level-3);
}

@keyframes post-list-attention {
  0%,
  100% {
    background: var(--level-3);
  }
  35%,
  70% {
    background: var(--accent-soft);
  }
}

.post-list .post-detail.is-attention {
  animation: post-list-attention 900ms ease-in-out 2;
}

@media (prefers-reduced-motion: reduce) {
  .post-list .post-detail.is-attention {
    animation: none;
  }
}

@media (max-width: 640px) {
  .post-editor__resources {
    grid-template-columns: 1fr;
  }
}

.board-post {
  grid-template-columns: auto minmax(0, 1fr);
  padding-left: calc(16px + var(--post-indent, 0) * 24px);
}

.board-post + .board-post {
  margin-top: 1px;
}

.board-post.is-current {
  background: var(--level-3);
}

.print-page {
  max-width: 820px;
  margin: 0 auto;
  padding: 40px 44px;
  color: #111111;
  background: #ffffff;
}

.print-page__state,
.print-page__message p {
  margin: 0;
  color: var(--muted);
}

.print-page__message h1 {
  margin: 0 0 12px;
  font-size: 1.35rem;
  letter-spacing: 0;
}

.print-post__header {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}

.print-post__header h1 {
  margin: 0 0 10px;
  font-size: 1.55rem;
  font-weight: 650;
  line-height: 1.4;
  letter-spacing: 0;
}

.print-post__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 5px;
  margin: 0;
  color: #555555;
  font-size: 0.88rem;
  line-height: 1.55;
}

.print-post__site {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: #111111;
  font-weight: 600;
}

.print-post__site .brand__logo {
  width: 18px;
  height: 18px;
}

.print-post__body {
  min-height: 100px;
  padding: 24px 0;
  font-size: 1rem;
  line-height: 1.7;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.print-post__resources,
.print-post__signature,
.print-post__points {
  padding-top: 14px;
  margin-top: 16px;
  border-top: 1px solid var(--divider);
  font-size: 0.92rem;
  line-height: 1.6;
}

.print-post__resources p {
  margin: 0 0 10px;
}

.print-post__resources a {
  color: #111111;
  text-decoration: underline;
  overflow-wrap: anywhere;
}

.print-post__image {
  display: block;
  max-width: 100%;
  height: auto;
  margin-top: 12px;
}

.print-post__signature {
  color: #555555;
  font-style: italic;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

@media print {
  body {
    background: #ffffff;
  }

  .print-page {
    max-width: none;
    margin: 0;
    padding: 0;
  }
}

.footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.footer__inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 860px) {
  .dashboard,
  .board-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .topbar__inner {
    padding-inline: 16px;
  }

  .main {
    padding: 28px 16px 44px;
  }

  .print-page {
    padding: 24px 18px;
  }

  .intro {
    margin-bottom: 28px;
    padding: 22px 24px;
  }

  .intro__metrics {
    position: static;
    justify-content: flex-start;
    max-width: none;
    margin-top: 12px;
  }

  .login-panel {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .login-panel__brand {
    min-height: auto;
    padding-bottom: 16px;
    border-right: 0;
    border-bottom: 1px solid var(--divider);
  }

  .login-panel__brand .brand__logo {
    width: 58px;
    height: 58px;
  }

  .brand-menu {
    left: -8px;
    width: calc(100vw - 32px);
  }

  .brand-menu__links {
    grid-template-columns: 1fr;
  }

  .user-card {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .user-card__metrics {
    grid-column: 2;
    justify-self: start;
    margin-top: 8px;
  }

  .board-card {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .board-card__metrics {
    grid-column: 2;
    justify-self: start;
    margin-top: 8px;
  }

  .pager {
    flex-wrap: wrap;
  }

  .user-profile__main {
    grid-template-columns: auto minmax(0, 1fr);
    padding: 16px;
  }

  .user-profile__metrics {
    grid-column: 2;
    margin-top: 8px;
  }

  .user-profile__actions {
    padding-inline: 16px;
  }

  .activity-tabs {
    padding-inline: 8px;
  }

  .user-directory__filters {
    grid-template-columns: 1fr;
  }

  .search-form__grid {
    grid-template-columns: 1fr;
  }

  .search-form__actions {
    align-items: stretch;
    flex-direction: column;
  }

  .search-result .board-post {
    padding-right: 16px;
  }

  .search-result__board-pill {
    position: static;
    max-width: none;
    margin: 0 16px 12px 64px;
  }

  .site-fields--category,
  .site-fields--board,
  .site-fields--board-create {
    grid-template-columns: 1fr;
  }

  .site-fields__comment {
    grid-column: auto;
  }

  .site-master-editor,
  .site-master-fields,
  .site-master-picker__controls {
    display: grid;
    grid-template-columns: 1fr;
  }

  .site-board-form__header {
    flex-wrap: wrap;
  }

  .site-category-form__heading {
    flex-wrap: wrap;
  }

  .site-category-form__actions {
    margin-left: 0;
    flex-basis: 100%;
  }

  .site-board-form__metrics {
    margin-left: 0;
    order: 3;
    flex-basis: 100%;
  }

  .post-detail__header {
    padding: 16px;
  }

  .post-detail__body {
    padding: 18px 16px;
  }

  .post-resources,
  .post-signature,
  .point-awards {
    margin-inline: 16px;
  }

  .board-post {
    padding-left: calc(12px + var(--post-indent, 0) * 16px);
  }

  .footer__inner {
    padding-inline: 16px;
  }
}