.board-page {
  background: var(--paper-2);
}

.board-page .grain {
  opacity: .07;
}

.board-page .topbar {
  min-height: 64px;
  padding-block: .55rem;
}

.board-hero {
  display: grid;
  grid-template-columns: minmax(230px, .65fr) minmax(0, 1.35fr);
  max-width: 1120px;
  margin: 1.5rem auto;
  border: var(--line);
  background: var(--paper);
  box-shadow: 5px 5px 0 var(--ink);
}

.board-hero > div {
  padding: clamp(1.25rem, 3vw, 2.2rem);
}

.board-hero > div:first-child {
  border-right: var(--line);
  background: var(--mustard);
}

.board-hero h1 {
  margin: .7rem 0 0;
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  font-size: clamp(2.5rem, 5vw, 4.7rem);
  line-height: .9;
  letter-spacing: -.025em;
}

.board-hero h1 br {
  display: none;
}

.board-hero h1 em {
  color: var(--cream);
  font-style: normal;
  -webkit-text-stroke: 1.5px var(--ink);
  text-shadow: 3px 3px 0 var(--red);
}

.board-intro > p:first-child {
  max-width: 62ch;
  margin-top: 0;
  font-family: Georgia, serif;
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.55;
}

.warning {
  margin: 1rem 0;
  padding: .75rem .9rem;
  color: var(--ink);
  background: #f2d786;
  border: 1px solid var(--ink);
  box-shadow: none;
  font-size: .88rem;
}

.board-intro dl {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0 1rem;
  margin: .9rem 0 0;
}

.board-intro dl div {
  padding: .45rem 0 0;
}

.board-main {
  border: 0;
}

.board-section {
  max-width: 860px;
  margin: 0 auto;
  padding: 1.25rem var(--pad);
  border: 0;
}

.board-section + .board-section {
  padding-top: .65rem;
}

.message-index {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem .55rem;
  align-items: center;
  margin: 0 0 .55rem;
  color: var(--red);
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .055em;
}

.message-index span,
.message-index time {
  display: inline-flex;
  align-items: center;
}

.message-index span:not(:last-of-type)::after {
  content: "/";
  margin-left: .55rem;
  color: var(--ink);
  opacity: .55;
}

.message-index time {
  margin-left: auto;
  color: var(--ink);
}

.message-card {
  position: relative;
  max-width: 780px;
  margin: 0 auto;
  overflow: clip;
  background: var(--cream);
  border: var(--line);
  box-shadow: 4px 4px 0 rgba(23, 34, 31, .8);
}

.message-card header {
  padding: 1rem clamp(1rem, 3vw, 1.5rem) 1.1rem;
  border-bottom: 1px solid var(--ink);
  background: #efd47f;
}

.message-card header > span {
  display: inline;
  margin-right: .8rem;
  color: var(--red);
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .055em;
}

.message-card header > span + span::before {
  content: "• ";
  color: var(--ink);
}

.message-card h2 {
  scroll-margin-top: 1.25rem;
  max-width: 25ch;
  margin: .45rem 0 0;
  font-size: clamp(1.65rem, 4vw, 2.5rem);
  line-height: 1.08;
  letter-spacing: -.025em;
}

.message-card h2 code {
  font-size: .78em;
}

.ru-summary {
  margin: .8rem 0 0;
  padding: .7rem .85rem;
  background: rgba(255, 247, 222, .74);
  border-left: 4px solid var(--red);
  font-family: Georgia, serif;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
}

.message-body {
  padding: .95rem clamp(1rem, 3vw, 1.5rem) 1rem;
  font-family: Georgia, serif;
  font-size: 1.05rem;
  line-height: 1.62;
}

.message-body p {
  max-width: 68ch;
  margin: 0 0 .9rem;
}

.message-body p:last-child {
  margin-bottom: 0;
}

.message-body ol {
  max-width: 68ch;
  margin: .85rem 0 1rem;
  padding-left: 2.2rem;
}

.message-body li {
  margin: 0;
  padding: .45rem .2rem .5rem .25rem;
  border-top: 1px solid rgba(23, 34, 31, .2);
}

.message-body li:last-child {
  border-bottom: 1px solid rgba(23, 34, 31, .2);
}

.message-body li::marker {
  color: var(--red);
  font-family: "Courier New", monospace;
  font-weight: 900;
}

.message-body code {
  padding: .08rem .25rem;
  overflow-wrap: anywhere;
  background: var(--paper-2);
  border: 1px solid rgba(23, 34, 31, .35);
  font-family: "Courier New", monospace;
  font-size: .9em;
}

.message-body a {
  color: var(--blue);
  font-family: "Courier New", monospace;
  font-weight: 900;
  text-underline-offset: 4px;
}

.message-footer {
  display: flex;
  justify-content: space-between;
  gap: .5rem 1rem;
  padding: .6rem 1rem;
  color: var(--cream);
  background: var(--ink);
  font-size: .75rem;
  font-weight: 900;
  letter-spacing: .055em;
}

.message-card:has(h2:target) {
  outline: 5px solid var(--red);
  outline-offset: 4px;
  box-shadow: 7px 7px 0 var(--mustard);
}

.message-card h2:target::before {
  content: "LINKED MESSAGE";
  display: block;
  width: max-content;
  margin: 0 0 .55rem;
  padding: .25rem .45rem;
  color: var(--cream);
  background: var(--red);
  font-family: "Courier New", monospace;
  font-size: .76rem;
  line-height: 1.2;
  letter-spacing: .07em;
}

.mirror-note {
  max-width: 780px;
  margin: 1.5rem auto 2.5rem;
  padding: 1.4rem clamp(1rem, 3vw, 1.5rem);
  background: var(--paper);
  border: var(--line);
}

.mirror-note h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
}

.mirror-note p {
  max-width: 68ch;
  margin-bottom: .75rem;
  font-family: Georgia, serif;
  font-size: 1.05rem;
}

@media (max-width: 760px) {
  .board-page .topbar {
    min-height: 60px;
  }

  .board-hero {
    grid-template-columns: 1fr;
    margin: .85rem;
  }

  .board-hero > div {
    padding: 1rem;
  }

  .board-hero > div:first-child {
    border-right: 0;
    border-bottom: var(--line);
  }

  .board-hero h1 {
    font-size: clamp(2.35rem, 12vw, 3.8rem);
  }

  .board-intro dl {
    grid-template-columns: 1fr;
  }

  .board-intro dl div {
    display: grid;
    grid-template-columns: 8.5rem 1fr;
    gap: .5rem;
  }

  .board-section {
    padding-inline: 1rem;
  }

  .message-index {
    gap: .25rem .4rem;
  }

  .message-index span:not(:last-of-type)::after {
    margin-left: .4rem;
  }

  .message-index time {
    width: 100%;
    margin-left: 0;
  }

  .message-card {
    box-shadow: 3px 3px 0 rgba(23, 34, 31, .8);
  }

  .message-card header > span {
    display: block;
    margin: 0 0 .2rem;
  }

  .message-card header > span + span::before {
    content: none;
  }

  .message-card h2 {
    max-width: none;
  }

  .message-footer {
    flex-direction: column;
  }

  .mirror-note {
    margin: 1rem 1rem 2rem;
  }
}

@media (max-width: 420px) {
  .board-page .contact-chip {
    display: none;
  }

  .message-index {
    font-size: .75rem;
  }

  .message-body {
    font-size: 1rem;
  }

  .message-body ol {
    padding-left: 1.75rem;
  }
}

@supports not selector(:has(*)) {
  .message-card h2:target {
    margin-inline: -.55rem;
    padding: .55rem;
    outline: 4px solid var(--red);
    background: var(--cream);
  }
}