*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: #0b0b0b;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

.fm-page {
  --sp-page: #0b0b0b;
  --sp-hatch: rgba(255, 255, 255, 0.05);
  --sp-paper: #121212;
  --sp-raise: #1e1e1e;
  --sp-band: #1d1d1d;
  --sp-ink: #eee;
  --sp-soft: #c9c9c9;
  --sp-muted: #9a9a9a;
  --sp-line: #262626;
  --sp-line-strong: #363636;
  --sp-chrome: #181818;
  --sp-term: #0e1210;
  --sp-term-ink: #b7f0c2;
  min-height: 100dvh;
  margin: 0;
  color: var(--sp-ink);
  background-color: var(--sp-page);
  background-image: repeating-linear-gradient(135deg, var(--sp-hatch) 0 1px, transparent 1px 10px);
  font-family: Manrope, sans-serif;
  padding: 12px clamp(10px, 2.4vw, 28px) 28px;
}

.fm-page[data-theme="light"] {
  --sp-page: #efefef;
  --sp-hatch: rgba(0, 0, 0, 0.06);
  --sp-paper: #fbfbfb;
  --sp-raise: #ffffff;
  --sp-band: #e9e9e9;
  --sp-ink: #151515;
  --sp-soft: #3d3d3d;
  --sp-muted: #7b7b7b;
  --sp-line: #e2e2e2;
  --sp-line-strong: #cfcfcf;
  --sp-chrome: #f3f3f3;
  --sp-term: #101510;
  --sp-term-ink: #7dcf8e;
}

html:has(.fm-page[data-theme="light"]),
html:has(.fm-page[data-theme="light"]) body {
  background: #efefef;
}

.fm-kicker {
  margin: 0 0 10px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sp-muted);
}

.fm-page h1,
.fm-page h2,
.fm-page h3 {
  margin: 0;
  font-family: Newsreader, Georgia, serif;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.12;
}

.fm-lead {
  margin: 14px 0 0;
  max-width: 40em;
  color: var(--sp-soft);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.55;
}

.fm-bar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
  min-height: 64px;
  margin-bottom: 10px;
  padding: 10px 14px;
  background: color-mix(in srgb, var(--sp-paper) 86%, transparent);
  border: 1px solid var(--sp-line);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 8px;
  z-index: 40;
}

.fm-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  white-space: nowrap;
}

.fm-brand img {
  display: block;
  border-radius: 999px;
}

.fm-page[data-theme="light"] .fm-brand img {
  filter: invert(1);
}

.fm-brand em {
  font-style: normal;
  color: var(--sp-muted);
  font-weight: 500;
}

.fm-nav {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.fm-nav a {
  font-size: 14px;
  color: var(--sp-soft);
}

.fm-nav a:hover {
  color: var(--sp-ink);
}

.fm-tools {
  display: flex;
  align-items: center;
  gap: 8px;
}

.fm-theme {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid var(--sp-line);
  background: var(--sp-raise);
}

.fm-home,
.fm-jump,
.fm-back,
.fm-more,
.fm-copy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--sp-line-strong);
  background: var(--sp-raise);
  font-size: 13px;
}

.fm-theme:hover,
.fm-home:hover,
.fm-jump:hover,
.fm-back:hover,
.fm-more:hover,
.fm-copy:hover,
.fm-board:hover,
.fm-thread-row:hover,
.fm-kb-card:hover {
  border-color: var(--sp-ink);
}

.fm-hero {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 16px;
  margin-bottom: 28px;
}

.fm-hero-copy,
.fm-hero-side {
  border: 1px solid var(--sp-line);
  background: var(--sp-paper);
}

.fm-hero-copy {
  padding: clamp(28px, 4vw, 48px);
}

.fm-hero-copy h1 {
  font-size: clamp(36px, 5vw, 58px);
  max-width: 12em;
}

.fm-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
  align-items: center;
}

.fm-chip {
  min-height: 34px;
  padding: 0 11px;
  border: 1px solid var(--sp-line);
  background: color-mix(in srgb, var(--sp-paper) 70%, transparent);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px;
  line-height: 34px;
  color: var(--sp-soft);
}

.fm-hero-side {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 18px;
}

.fm-hero-side > a {
  display: grid;
  gap: 2px;
  padding: 14px 4px;
  border-top: 1px solid var(--sp-line);
}

.fm-hero-side > a:first-of-type {
  border-top: 0;
  margin-top: 8px;
}

.fm-hero-side strong {
  font-family: Newsreader, Georgia, serif;
  font-size: 22px;
  font-weight: 500;
}

.fm-hero-side span {
  color: var(--sp-muted);
  font-size: 13px;
}

.fm-section-head {
  margin-bottom: 16px;
  padding: 4px 2px 0;
}

.fm-section-head h2 {
  font-size: clamp(28px, 3.4vw, 40px);
}

.fm-boards,
.fm-threads,
.fm-knowledge {
  margin-bottom: 32px;
}

.fm-board-list {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--sp-line);
  background: var(--sp-paper);
}

.fm-board {
  display: grid;
  grid-template-columns: 1.4fr auto 1fr;
  gap: 16px;
  align-items: center;
  padding: 18px 18px;
  border-bottom: 1px solid var(--sp-line);
  border-color: var(--sp-line);
}

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

.fm-board-main {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.fm-board-main strong {
  font-family: Newsreader, Georgia, serif;
  font-size: 22px;
  font-weight: 500;
}

.fm-board-main span,
.fm-board-last span {
  color: var(--sp-muted);
  font-size: 13px;
}

.fm-board-meta {
  text-align: center;
  font-family: "JetBrains Mono", ui-monospace, monospace;
}

.fm-board-meta em {
  display: block;
  font-style: normal;
  font-size: 20px;
}

.fm-board-meta span {
  font-size: 11px;
  color: var(--sp-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.fm-board-last a {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.fm-board-last strong {
  font-size: 14px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fm-thread-table {
  border: 1px solid var(--sp-line);
  background: var(--sp-paper);
}

.fm-thread-head,
.fm-thread-row {
  display: grid;
  grid-template-columns: 1.6fr 0.7fr 0.35fr 0.55fr;
  gap: 12px;
  align-items: center;
  padding: 12px 16px;
}

.fm-thread-head {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sp-muted);
  border-bottom: 1px solid var(--sp-line);
  background: var(--sp-chrome);
}

.fm-thread-row {
  border-bottom: 1px solid var(--sp-line);
  transition: background 0.15s ease;
}

.fm-thread-row:last-child {
  border-bottom: 0;
}

.fm-thread-row:hover {
  background: color-mix(in srgb, var(--sp-ink) 4%, transparent);
}

.fm-thread-title {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.fm-thread-title i {
  display: inline-block;
  width: fit-content;
  margin-bottom: 2px;
  padding: 1px 6px;
  border: 1px solid var(--sp-line-strong);
  font-style: normal;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sp-muted);
}

.fm-thread-title strong {
  font-size: 15px;
  font-weight: 600;
}

.fm-thread-title em,
.fm-thread-board,
.fm-thread-replies,
.fm-thread-date {
  font-style: normal;
  font-size: 13px;
  color: var(--sp-muted);
}

.fm-thread-replies,
.fm-thread-date {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px;
}

.fm-kb-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: start;
}

.fm-kb-col {
  border: 1px solid var(--sp-line);
  background: var(--sp-paper);
  min-width: 0;
}

.fm-kb-head {
  padding: 18px 18px 8px;
  border-bottom: 1px solid var(--sp-line);
}

.fm-kb-head h3 {
  font-size: 28px;
}

.fm-kb-list {
  display: flex;
  flex-direction: column;
}

.fm-kb-card {
  display: grid;
  gap: 10px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--sp-line);
  border: 0 solid var(--sp-line);
  border-bottom-width: 1px;
}

.fm-kb-card:last-child {
  border-bottom: 0;
}

.fm-kb-card h4 {
  margin: 0;
  font-family: Newsreader, Georgia, serif;
  font-size: 20px;
  font-weight: 500;
}

.fm-kb-card h4 a:hover {
  text-decoration: underline;
}

.fm-kb-card header p,
.fm-symptoms {
  margin: 6px 0 0;
  color: var(--sp-soft);
  font-size: 14px;
  line-height: 1.5;
}

.fm-code {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 8px;
  margin-bottom: 6px;
  border: 1px solid var(--sp-line-strong);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  color: var(--sp-muted);
}

.fm-term {
  margin: 0;
  padding: 12px 14px;
  overflow: auto;
  border: 1px solid var(--sp-line-strong);
  background: var(--sp-term);
  color: var(--sp-term-ink);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12.5px;
  line-height: 1.55;
  white-space: pre-wrap;
}

.fm-term-block {
  margin: 18px 0;
  border: 1px solid var(--sp-line);
  overflow: hidden;
}

.fm-term-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: var(--sp-chrome);
  border-bottom: 1px solid var(--sp-line);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  color: var(--sp-muted);
}

.fm-term-block .fm-term {
  border: 0;
}

.fm-copy {
  justify-self: start;
  min-height: 30px;
  font-size: 12px;
}

.fm-copy.is-done {
  border-color: var(--sp-ink);
}

.fm-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.fm-tags span {
  min-height: 26px;
  padding: 0 9px;
  border: 1px solid var(--sp-line);
  background: var(--sp-raise);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  line-height: 26px;
  color: var(--sp-muted);
}

.fm-more {
  justify-self: start;
}

.fm-topic-hero,
.fm-kb-detail {
  padding: clamp(18px, 3vw, 36px) 4px 8px;
}

.fm-back {
  margin-bottom: 16px;
}

.fm-topic-hero h1,
.fm-kb-detail h1 {
  font-size: clamp(34px, 5vw, 56px);
  max-width: 16em;
}

.fm-topic-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 14px 0 0;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px;
  color: var(--sp-muted);
}

.fm-posts {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 18px 0 28px;
}

.fm-post {
  border: 1px solid var(--sp-line);
  background: var(--sp-paper);
}

.fm-post.is-op {
  border-color: var(--sp-line-strong);
}

.fm-post header {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: baseline;
  padding: 12px 16px;
  border-bottom: 1px solid var(--sp-line);
  background: var(--sp-chrome);
}

.fm-post header span,
.fm-post header em {
  font-style: normal;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px;
  color: var(--sp-muted);
}

.fm-post-body,
.fm-kb-body,
.fm-kb-panel div {
  padding: 16px 18px;
  color: var(--sp-soft);
  line-height: 1.6;
  font-size: 15px;
}

.fm-post-body p,
.fm-kb-body p,
.fm-kb-panel p {
  margin: 0 0 12px;
}

.fm-post-body p:last-child,
.fm-kb-body p:last-child,
.fm-kb-panel p:last-child {
  margin-bottom: 0;
}

.fm-post-body code,
.fm-kb-body code,
.fm-kb-panel code {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.92em;
  padding: 1px 5px;
  border: 1px solid var(--sp-line);
  background: var(--sp-raise);
}

.fm-kb-panel {
  margin: 16px 0;
  border: 1px solid var(--sp-line);
  background: var(--sp-paper);
}

.fm-kb-panel h2 {
  margin: 0;
  padding: 12px 16px;
  border-bottom: 1px solid var(--sp-line);
  font-size: 22px;
  background: var(--sp-chrome);
}

.fm-kb-panel.is-fix {
  border-color: var(--sp-line-strong);
}

.fm-foot {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 4px 8px;
  border-top: 1px solid var(--sp-line);
  color: var(--sp-muted);
  font-size: 13px;
}

.fm-foot a:hover {
  color: var(--sp-ink);
}

.fm-empty-page {
  margin-top: 24px;
  padding: 28px 18px;
  border: 1px solid var(--sp-line);
  background: var(--sp-paper);
}

.fm-empty-page h1 {
  margin-bottom: 16px;
  font-size: 36px;
}

@media (max-width: 980px) {
  .fm-hero,
  .fm-kb-grid {
    grid-template-columns: 1fr;
  }

  .fm-board {
    grid-template-columns: 1fr auto;
  }

  .fm-board-last {
    grid-column: 1 / -1;
  }

  .fm-thread-head {
    display: none;
  }

  .fm-thread-row {
    grid-template-columns: 1fr auto;
    gap: 8px 12px;
  }

  .fm-thread-board {
    display: none;
  }

  .fm-thread-replies {
    justify-self: end;
  }

  .fm-thread-date {
    grid-column: 1 / -1;
  }

  .fm-nav {
    display: none;
  }

  .fm-bar {
    grid-template-columns: 1fr auto;
  }
}

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

  .fm-board-meta {
    text-align: left;
    display: flex;
    gap: 8px;
    align-items: baseline;
  }

  .fm-board-meta em {
    display: inline;
    font-size: 14px;
  }
}