:root {
    --paper:      #FBFAF9;
    --surface:    #FFFFFF;
    --nav:        rgba(251,250,249,.82);
    --ink:        #16151A;
    --ink-soft:   #3A3742;
    --muted:      #6E6B76;
    --rule:       #E4E1E6;
    --rule-soft:  #EFEDF1;
    --accent:     #C8442A;
    --accent-bg:  #FBEFEC;
    --shadow:     0 1px 2px rgba(22,21,26,.04), 0 8px 24px rgba(22,21,26,.05);

    --serif: ui-serif, "New York", Iowan Old Style, Georgia, serif;
    --sans:  -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, "Helvetica Neue", sans-serif;
    --mono:  ui-monospace, "SF Mono", SFMono-Regular, Menlo, monospace;
  }

  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
      --paper:     #121116;
      --surface:   #1A181F;
      --nav:       rgba(18,17,22,.82);
      --ink:       #EDEBF0;
      --ink-soft:  #C6C2CD;
      --muted:     #948FA0;
      --rule:      #2C2933;
      --rule-soft: #232028;
      --accent:    #E8735A;
      --accent-bg: #2A1C19;
      --shadow:    0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.28);
    }
  }

  :root[data-theme="dark"] {
    --paper:     #121116;
    --surface:   #1A181F;
    --nav:       rgba(18,17,22,.82);
    --ink:       #EDEBF0;
    --ink-soft:  #C6C2CD;
    --muted:     #948FA0;
    --rule:      #2C2933;
    --rule-soft: #232028;
    --accent:    #E8735A;
    --accent-bg: #2A1C19;
    --shadow:    0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.28);
  }

  * { box-sizing: border-box; min-width: 0; }

  html { scroll-behavior: smooth; scroll-padding-top: 5rem; }
  @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

  body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 17px;
    line-height: 1.65;
    overflow-wrap: break-word;
    -webkit-font-smoothing: antialiased;
  }

  .wrap { max-width: 43rem; margin: 0 auto; padding: 0 1.5rem; }

  /* ---------------------------------------------------------- nav */

  .topbar {
    position: sticky; top: 0; z-index: 20;
    background: var(--nav);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--rule);
  }

  .topbar .wrap {
    display: flex; align-items: center; flex-wrap: wrap;
    gap: .4rem 1.1rem; padding-top: .8rem; padding-bottom: .8rem;
  }

  .brand {
    display: flex; align-items: center; gap: .5rem;
    font-family: var(--mono); font-size: .74rem;
    letter-spacing: .12em; text-transform: uppercase;
    color: var(--ink); text-decoration: none; margin-right: auto;
  }

  .brand .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex: none; }

  .navlinks { display: flex; flex-wrap: wrap; gap: .3rem; }

  .navlinks a {
    font-family: var(--mono); font-size: .7rem;
    letter-spacing: .1em; text-transform: uppercase;
    color: var(--muted); text-decoration: none;
    padding: .34rem .6rem; border-radius: 7px;
    transition: color .18s ease, background .18s ease;
  }

  .navlinks a:hover { color: var(--ink); background: var(--rule-soft); }
  .navlinks a:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; color: var(--ink); }

  /* ---------------------------------------------------------- masthead */

  .masthead { display: flex; flex-direction: column; gap: 1.6rem; padding: 4.5rem 0 2.75rem; }

  .masthead h1 {
    font-family: var(--serif);
    font-size: clamp(2.4rem, 6.6vw, 3.9rem);
    line-height: 1.05; letter-spacing: -.022em;
    font-weight: 500; margin: 0; text-wrap: balance;
  }

  .standfirst {
    font-size: 1.18rem; line-height: 1.55; color: var(--ink-soft);
    margin: 0; max-width: 34rem; text-wrap: pretty;
  }

  /* ---------------------------------------------------------- hero entry */

  .entry {
    background: var(--surface); border-radius: 18px; box-shadow: var(--shadow);
    padding: 1.9rem 2rem 1.4rem;
    display: flex; flex-direction: column; gap: .9rem;
    animation: rise .7s cubic-bezier(.2,.7,.3,1) both;
  }

  @keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
  @media (prefers-reduced-motion: reduce) { .entry { animation: none; } }

  .entry-head { display: flex; align-items: baseline; flex-wrap: wrap; gap: .1rem .8rem; }

  .term {
    font-family: var(--serif); font-size: 1.85rem;
    font-weight: 500; letter-spacing: -.015em; margin: 0;
  }

  .pos { font-family: var(--serif); font-style: italic; font-size: 1rem; color: var(--muted); }

  .def { margin: 0; color: var(--ink-soft); }
  .def b { font-weight: 600; color: var(--ink); }

  .usage {
    margin: 0; padding-left: 1rem; border-left: 2px solid var(--rule);
    font-family: var(--serif); font-style: italic; color: var(--muted); line-height: 1.5;
  }

  .entry-foot {
    display: flex; align-items: center; flex-wrap: wrap; gap: .5rem .9rem;
    margin-top: .35rem; padding-top: .85rem; border-top: 1px solid var(--rule-soft);
    font-family: var(--mono); font-size: .7rem;
    letter-spacing: .06em; text-transform: uppercase; color: var(--muted);
  }

  .cred b { color: var(--ink-soft); font-weight: 500; }
  .flag { color: var(--accent); background: var(--accent-bg); padding: .2rem .5rem; border-radius: 5px; }
  .fix { margin-left: auto; color: var(--accent); }

  /* ---------------------------------------------------------- sections */

  section { padding: 3.25rem 0; }

  .eyebrow {
    font-family: var(--mono); font-size: .72rem; letter-spacing: .14em;
    text-transform: uppercase; color: var(--muted); margin: 0 0 1.1rem;
  }

  h2 {
    font-family: var(--serif); font-size: 1.75rem; font-weight: 500;
    letter-spacing: -.015em; line-height: 1.25; margin: 0 0 1rem; text-wrap: balance;
  }

  p { margin: 0 0 1.1rem; color: var(--ink-soft); }
  p:last-child { margin-bottom: 0; }

  .stack { display: flex; flex-direction: column; gap: 1.25rem; }
  hr { border: 0; border-top: 1px solid var(--rule); margin: 0; }

  /* ---------------------------------------------------------- search */

  .finder { display: flex; flex-direction: column; gap: .9rem; margin-bottom: 2.25rem; }

  .searchbox { position: relative; display: flex; align-items: center; }

  .searchbox input {
    width: 100%; font-family: var(--sans); font-size: 1.05rem; color: var(--ink);
    background: var(--surface); border: 1px solid var(--rule);
    border-radius: 14px; padding: .85rem 1rem .85rem 2.6rem;
    box-shadow: var(--shadow); appearance: none;
    transition: border-color .18s ease;
  }

  .searchbox input::placeholder { color: var(--muted); }
  .searchbox input:focus { outline: none; border-color: var(--accent); }

  .searchbox svg {
    position: absolute; left: .95rem; width: 16px; height: 16px;
    stroke: var(--muted); fill: none; stroke-width: 2; pointer-events: none;
  }


  .alpha { display: flex; flex-wrap: wrap; gap: .12rem; }

  .ltr {
    font-family: var(--mono); font-size: .68rem; text-transform: uppercase;
    color: var(--muted); background: transparent; border: 0;
    border-radius: 6px; padding: .26rem .42rem; cursor: pointer; min-width: 1.6rem;
    transition: color .15s ease, background .15s ease;
  }

  .ltr:hover { color: var(--ink); background: var(--rule-soft); }
  .ltr[aria-pressed="true"] { color: var(--accent); background: var(--accent-bg); }
  .ltr[disabled] { opacity: .25; cursor: default; background: none; }
  .ltr:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

  .chips { display: flex; flex-wrap: wrap; gap: .35rem; }

  .chip {
    font-family: var(--mono); font-size: .68rem; letter-spacing: .07em;
    text-transform: uppercase; color: var(--muted);
    background: transparent; border: 1px solid var(--rule);
    border-radius: 100px; padding: .3rem .7rem; cursor: pointer;
    transition: color .18s ease, border-color .18s ease, background .18s ease;
  }

  .chip:hover { color: var(--ink); }
  .chip[aria-pressed="true"] { color: var(--accent); border-color: var(--accent); background: var(--accent-bg); }
  .chip:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

  .count {
    font-family: var(--mono); font-size: .7rem; letter-spacing: .07em;
    text-transform: uppercase; color: var(--muted);
  }

  /* ---------------------------------------------------------- entry list */

  .cat { margin-bottom: 2.5rem; }

  .cat h3 {
    font-family: var(--mono); font-size: .7rem; letter-spacing: .14em;
    text-transform: uppercase; color: var(--muted);
    margin: 0 0 .35rem; padding-bottom: .6rem; border-bottom: 1px solid var(--rule);
  }

  .e { padding: 1.15rem 0; border-bottom: 1px solid var(--rule-soft); }

  .e-h { display: flex; align-items: baseline; flex-wrap: wrap; gap: .1rem .6rem; margin-bottom: .3rem; }

  .e-h h4 {
    font-family: var(--serif); font-size: 1.28rem; font-weight: 500;
    letter-spacing: -.01em; margin: 0; color: var(--ink);
  }

  .e-h .pos { font-size: .92rem; }

  .badge {
    font-family: var(--mono); font-size: .6rem; letter-spacing: .08em;
    text-transform: uppercase; padding: .16rem .45rem; border-radius: 4px;
    color: var(--accent); background: var(--accent-bg); margin-left: auto;
  }

  .badge.stub { color: var(--muted); background: var(--rule-soft); }

  .e-d { margin: 0; color: var(--ink-soft); font-size: .97rem; line-height: 1.6; }

  .e-u {
    margin: .55rem 0 0; padding-left: .85rem; border-left: 2px solid var(--rule);
    font-family: var(--serif); font-style: italic; color: var(--muted);
    font-size: .95rem; line-height: 1.5;
  }

  .e-empty { color: var(--muted); font-style: italic; font-size: .95rem; margin: 0; }

  .vote { display: flex; align-items: center; gap: .15rem; margin-top: .6rem; }

  .v {
    background: none; border: 0; cursor: pointer; padding: .2rem .35rem;
    font-size: .72rem; line-height: 1; color: var(--muted); border-radius: 5px;
    transition: color .15s ease, background .15s ease;
  }

  .v:hover { color: var(--ink); background: var(--rule-soft); }
  .v[aria-pressed="true"] { color: var(--accent); }
  .v:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

  .score {
    font-family: var(--mono); font-size: .72rem; color: var(--muted);
    min-width: 1.6rem; text-align: center; font-variant-numeric: tabular-nums;
  }

  .noresult {
    font-family: var(--mono); font-size: .8rem; color: var(--muted);
    padding: 2rem 0; text-align: center;
  }

  [hidden] { display: none !important; }


  /* ---------------------------------------------------------- board */

  #postform { display: flex; flex-direction: column; gap: .9rem; }

  #postbody {
    width: 100%; font-family: var(--sans); font-size: 1rem; line-height: 1.6;
    color: var(--ink); background: var(--paper);
    border: 1px solid var(--rule); border-radius: 12px;
    padding: .85rem 1rem; resize: vertical; min-height: 6rem;
    transition: border-color .18s ease;
  }

  #postbody::placeholder { color: var(--muted); }
  #postbody:focus { outline: none; border-color: var(--accent); }

  .formrow { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }

  .hint {
    font-family: var(--mono); font-size: .68rem; letter-spacing: .06em;
    text-transform: uppercase; color: var(--muted);
  }

  .hint.ok  { color: var(--accent); }
  .hint.err { color: var(--accent); }

  .send {
    margin-left: auto; font-family: var(--mono); font-size: .7rem;
    letter-spacing: .1em; text-transform: uppercase;
    color: var(--paper); background: var(--ink);
    border: 0; border-radius: 100px; padding: .5rem 1.1rem; cursor: pointer;
    transition: opacity .18s ease;
  }

  .send:hover { opacity: .82; }
  .send:disabled { opacity: .4; cursor: default; }
  .send:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

  .posts { display: flex; flex-direction: column; }

  .post { padding: 1.15rem 0; border-bottom: 1px solid var(--rule-soft); }

  .post-h {
    display: flex; align-items: baseline; gap: .6rem;
    font-family: var(--mono); font-size: .68rem;
    letter-spacing: .06em; text-transform: uppercase; color: var(--muted);
    margin-bottom: .4rem;
  }

  .post-h .who { color: var(--ink-soft); }
  .post-b { margin: 0; color: var(--ink-soft); font-size: .97rem; line-height: 1.6; }

  .posts-empty {
    font-family: var(--mono); font-size: .75rem; color: var(--muted);
    padding: 1.5rem 0; text-align: center;
  }

  /* ---------------------------------------------------------- panels */

  .panel {
    display: flex; flex-direction: column; gap: 1.5rem;
    background: var(--surface); border-radius: 20px;
    box-shadow: var(--shadow); padding: 2.1rem 2rem;
  }

  .tweet {
    font-family: var(--mono); font-size: .82rem; line-height: 1.75;
    background: var(--paper); border: 1px solid var(--rule);
    border-radius: 12px; padding: 1.1rem 1.2rem; color: var(--ink-soft);
    white-space: pre-wrap; overflow-wrap: break-word;
  }

  .tweet .at { color: var(--accent); }

  .steps { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: .8rem; }

  .steps li { display: flex; gap: .9rem; align-items: flex-start; color: var(--ink-soft); line-height: 1.5; }

  .steps .k {
    flex: none; font-family: var(--mono); font-size: .67rem;
    letter-spacing: .08em; text-transform: uppercase; color: var(--muted);
    padding-top: .3rem; width: 5.6rem;
  }

  .steps code { font-family: var(--mono); font-size: .85em; color: var(--accent); }

  /* ---------------------------------------------------------- figures */

  .figures {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr));
    gap: 1px; background: var(--rule); border: 1px solid var(--rule);
    border-radius: 16px; overflow: hidden;
  }

  .fig { background: var(--surface); padding: 1.3rem 1.2rem; display: flex; flex-direction: column; gap: .3rem; }

  .fig .n {
    font-size: 1.7rem; font-weight: 300; letter-spacing: -.02em;
    font-variant-numeric: tabular-nums; line-height: 1.1;
  }

  .fig .l {
    font-family: var(--mono); font-size: .67rem; letter-spacing: .07em;
    text-transform: uppercase; color: var(--muted); line-height: 1.4;
  }

  .note { font-size: .9rem; color: var(--muted); line-height: 1.55; }

  /* ---------------------------------------------------------- tools */

  .tools { display: flex; flex-direction: column; border-top: 1px solid var(--rule); }

  .tool { display: flex; gap: 1.1rem; align-items: baseline; padding: 1rem 0; border-bottom: 1px solid var(--rule-soft); }

  .tool code { font-family: var(--mono); font-size: .82rem; color: var(--ink); flex: none; min-width: 12rem; }

  .tool span { color: var(--muted); font-size: .93rem; line-height: 1.5; }

  /* ---------------------------------------------------------- footer */

  footer.foot {
    padding: 2.75rem 0 4.5rem; border-top: 1px solid var(--rule);
    font-family: var(--mono); font-size: .72rem; letter-spacing: .06em;
    text-transform: uppercase; color: var(--muted);
    display: flex; flex-wrap: wrap; gap: .6rem 1.4rem;
  }

  a { color: var(--accent); text-underline-offset: 3px; }
  a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 3px; }

  @media (max-width: 34rem) {
    body { font-size: 16px; }
    .masthead { padding-top: 3rem; }
    .entry, .panel { padding-left: 1.4rem; padding-right: 1.4rem; }
    .tool { flex-direction: column; gap: .2rem; }
    .tool code { min-width: 0; }
    .steps li { flex-direction: column; gap: .1rem; }
    .steps .k { width: auto; padding-top: 0; }
    .brand { margin-right: 0; width: 100%; }
    .tweet { font-size: .75rem; }
    .badge { margin-left: 0; }
  }

  /* ---------------------------------------------------------- multipage additions */

  .masthead.compact { padding: 3.5rem 0 2rem; }
  .masthead.compact h1 { font-size: clamp(2rem, 5vw, 2.9rem); }

  section.flush { padding-top: 0; }

  .cta { display: flex; flex-wrap: wrap; gap: .6rem; }

  .btn {
    font-family: var(--mono); font-size: .74rem;
    letter-spacing: .1em; text-transform: uppercase;
    padding: .7rem 1.1rem; border-radius: 9px;
    background: var(--accent); color: var(--paper);
    text-decoration: none; border: 1px solid var(--accent);
    transition: opacity .18s ease;
  }

  .btn:hover { opacity: .85; }
  .btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

  .btn.ghost { background: transparent; color: var(--ink); border-color: var(--rule); }
  .btn.ghost:hover { background: var(--rule-soft); opacity: 1; }

  /* the fee split — two figures, no chrome, same family as .fig */
  .split {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
    gap: 1px; background: var(--rule); border-radius: 14px; overflow: hidden;
  }

  /* one figure alone shouldn't stretch the full width like a banner */
  .split.one { grid-template-columns: minmax(0, 22rem); }

  .navlinks a[aria-current="page"] { color: var(--ink); background: var(--rule-soft); }

  /* the tools rows carry addresses too — let them wrap instead of overflowing */
  .tool span { overflow-wrap: anywhere; }
  .tool code { min-width: 9rem; }

  @media (max-width: 30rem) {
    .tool { flex-direction: column; gap: .3rem; }
    .tool code { min-width: 0; }
  }