/*
  SOCFlag interface.

  Cool "lab paper" neutrals, one signal blue for actions, and a highlighter
  yellow kept for evidence only: key terms, found flags and solved marks.
  Atkinson Hyperlegible for reading, JetBrains Mono for anything you type.
  Corners: 4px on controls, 6px on workspace windows, none on page sections.
*/

@font-face { font-family: "Atkinson Hyperlegible"; src: url("../fonts/atkinson-hyperlegible-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Atkinson Hyperlegible"; src: url("../fonts/atkinson-hyperlegible-latin-400-italic.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Atkinson Hyperlegible"; src: url("../fonts/atkinson-hyperlegible-latin-700-normal.woff2") format("woff2"); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("../fonts/jetbrains-mono-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("../fonts/jetbrains-mono-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-display: swap; }

:root {
  color-scheme: light;
  --paper: #f4f6f8;
  --panel: #ffffff;
  --sunk: #e9edf1;
  --ink: #15202b;
  --graphite: #56626f;
  --rule: #d3dae1;
  --rule-strong: #a3aebb;
  --signal: #2051c7;
  --signal-hover: #1a43a6;
  --signal-ink: #ffffff;
  --signal-soft: #e3eafb;
  --mark: #f2d04b;
  --mark-ink: #15202b;
  --ok: #1e7a46;
  --ok-soft: #e1f2e8;
  --bad: #b42318;
  --bad-soft: #fbe6e3;
  --warn: #8a5a00;
  --term-bg: #10161c;
  --term-ink: #d7dee5;
  --term-dim: #8693a0;
  --term-user: #7bd389;
  --term-cwd: #8fb0ff;
  --term-err: #ff9c8f;
  --sans: "Atkinson Hyperlegible", "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", "Cascadia Mono", Consolas, ui-monospace, monospace;
  --page: 74rem;
  --read: 40rem;
  --r-control: 4px;
  --r-window: 6px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --paper: #12171c; --panel: #182027; --sunk: #0d1216; --ink: #e3e8ed; --graphite: #9aa6b2;
    --rule: #2b353f; --rule-strong: #4a5663; --signal: #8aabff; --signal-hover: #a9c1ff; --signal-ink: #0d1216; --signal-soft: #1d2a45;
    --mark: #d9b93a; --ok: #63c48f; --ok-soft: #15301f; --bad: #ff8f80; --bad-soft: #3a1d1a; --warn: #e3b457;
    --term-bg: #0b0f13;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #12171c; --panel: #182027; --sunk: #0d1216; --ink: #e3e8ed; --graphite: #9aa6b2;
  --rule: #2b353f; --rule-strong: #4a5663; --signal: #8aabff; --signal-hover: #a9c1ff; --signal-ink: #0d1216; --signal-soft: #1d2a45;
  --mark: #d9b93a; --ok: #63c48f; --ok-soft: #15301f; --bad: #ff8f80; --bad-soft: #3a1d1a; --warn: #e3b457;
  --term-bg: #0b0f13;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  color: var(--ink);
  font: 400 1.0625rem/1.6 var(--sans);
}
::selection { background: var(--mark); color: var(--mark-ink); }
img, svg { max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--signal); text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover { color: var(--signal-hover); }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; border-radius: 2px; }
p { margin: 0 0 1em; }
h1, h2, h3, h4 { margin: 0; font-weight: 700; line-height: 1.2; text-wrap: balance; }
h1 { font-size: 2.25rem; letter-spacing: -.015em; }
h2 { font-size: 1.5rem; letter-spacing: -.01em; }
h3 { font-size: 1.125rem; }
code, kbd, pre, samp { font-family: var(--mono); font-size: .88em; }
:not(pre) > code { padding: .08em .3em; border-radius: 3px; background: var(--sunk); overflow-wrap: anywhere; }
mark { background: var(--mark); color: var(--mark-ink); padding: 0 .15em; border-radius: 2px; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
hr { border: 0; border-top: 1px solid var(--rule); margin: 2rem 0; }

.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; }
.skip { position: absolute; left: 1rem; top: -4rem; z-index: 50; padding: .5rem .8rem; background: var(--ink); color: var(--paper); border-radius: var(--r-control); }
.skip:focus { top: .75rem; }

/* Header */
.masthead { border-bottom: 1px solid var(--rule); background: var(--paper); position: sticky; top: 0; z-index: 20; }
.masthead-inner { max-width: var(--page); margin: 0 auto; padding: 0 1.25rem; display: flex; align-items: center; gap: 2rem; min-height: 3.75rem; }
.wordmark { display: inline-flex; align-items: center; gap: .55rem; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 1.125rem; letter-spacing: -.01em; }
.wordmark svg { width: 22px; height: 22px; flex: none; }
.wordmark:hover { color: var(--ink); }
.nav { display: flex; gap: 1.5rem; margin-right: auto; }
.nav a { color: var(--graphite); text-decoration: none; padding: 1.1rem 0 1rem; border-bottom: 2px solid transparent; font-weight: 700; font-size: .95rem; }
.nav a:hover { color: var(--ink); }
.nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--ink); }
.masthead-tools { display: flex; align-items: center; gap: .75rem; }
.score { font-size: .9rem; color: var(--graphite); white-space: nowrap; }
.score strong { color: var(--ink); }
.icon-button { display: inline-grid; place-items: center; width: 2.25rem; height: 2.25rem; padding: 0; border: 1px solid var(--rule); border-radius: var(--r-control); background: transparent; cursor: pointer; }
.icon-button:hover { border-color: var(--rule-strong); }
.icon-button svg { width: 18px; height: 18px; }
.menu-button { display: none; }

main { flex: 1; width: 100%; max-width: var(--page); margin: 0 auto; padding: 2.5rem 1.25rem 5rem; }
main:focus { outline: none; }

.footer { border-top: 1px solid var(--rule); }
.footer-inner { max-width: var(--page); margin: 0 auto; padding: 1.5rem 1.25rem 2rem; display: flex; flex-wrap: wrap; gap: .5rem 2rem; justify-content: space-between; color: var(--graphite); font-size: .9rem; }
.footer a { color: var(--graphite); }
.footer p { margin: 0; max-width: 46rem; }

/* Buttons and fields */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
  min-height: 2.6rem; padding: .5rem 1rem; border: 1px solid var(--rule-strong); border-radius: var(--r-control);
  background: var(--panel); color: var(--ink); font-weight: 700; font-size: .95rem; line-height: 1.2;
  text-decoration: none; cursor: pointer; white-space: nowrap;
}
.btn:hover { border-color: var(--ink); color: var(--ink); }
.btn.primary { background: var(--signal); border-color: var(--signal); color: var(--signal-ink); }
.btn.primary:hover { background: var(--signal-hover); border-color: var(--signal-hover); color: var(--signal-ink); }
.btn.quiet { background: transparent; border-color: transparent; color: var(--signal); padding-inline: .5rem; }
.btn.quiet:hover { border-color: var(--rule); }
.btn.small { min-height: 2rem; padding: .25rem .65rem; font-size: .85rem; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.field { display: block; width: 100%; min-height: 2.6rem; padding: .5rem .7rem; border: 1px solid var(--rule-strong); border-radius: var(--r-control); background: var(--panel); }
.field:focus { outline: 2px solid var(--signal); outline-offset: -1px; border-color: var(--signal); }
textarea.field { font-family: var(--mono); font-size: .88rem; resize: vertical; line-height: 1.5; }
.mono { font-family: var(--mono); }
label { font-weight: 700; font-size: .95rem; }
.row { display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; }
.muted { color: var(--graphite); }
.small { font-size: .9rem; }

/* Home */
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 3.5rem; align-items: center; padding: 1.5rem 0 3.5rem; border-bottom: 1px solid var(--rule); }
.hero h1 { font-size: clamp(2.25rem, 4.6vw, 3.4rem); line-height: 1.06; letter-spacing: -.025em; max-width: 13ch; }
.hero-lead { font-size: 1.2rem; line-height: 1.55; color: var(--graphite); max-width: 32rem; margin: 1.25rem 0 1.75rem; }
.hero-note { margin-top: 1.25rem; font-size: .92rem; color: var(--graphite); max-width: 30rem; }
.demo { border-radius: var(--r-window); overflow: hidden; border: 1px solid #222c36; background: var(--term-bg); }
.demo-task { display: flex; justify-content: space-between; gap: 1rem; align-items: baseline; padding: .7rem 1rem; background: #18212a; color: #c9d3dc; font-size: .9rem; border-bottom: 1px solid #222c36; }
.demo-task strong { color: #fff; font-weight: 700; }
.demo-task .done { color: var(--term-user); font-weight: 700; }
.demo .term { height: 19rem; }

.method { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin: 3rem 0 0; padding: 0; list-style: none; counter-reset: step; border-top: 1px solid var(--ink); }
.method li { padding: 1rem 1.5rem 0 0; counter-increment: step; }
.method li::before { content: counter(step); display: block; font-weight: 700; color: var(--graphite); margin-bottom: .4rem; }
.method h3 { margin-bottom: .35rem; }
.method p { color: var(--graphite); font-size: .95rem; margin: 0; }

.block-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; margin: 3.5rem 0 1rem; }
.block-head p { margin: 0; color: var(--graphite); }

/* Section list (used on home and Learn) */
.tracks { border-top: 1px solid var(--rule); }
.track { display: grid; grid-template-columns: 2.5rem minmax(0, 1.2fr) minmax(0, 1.6fr) 11rem; gap: 1.5rem; align-items: start; padding: 1.4rem 0; border-bottom: 1px solid var(--rule); color: inherit; text-decoration: none; }
.track:hover { color: inherit; }
.track:hover .track-name { color: var(--signal); }
.track-index { font-weight: 700; color: var(--graphite); padding-top: .1rem; }
.track-name { font-size: 1.2rem; font-weight: 700; }
.track-name small { display: block; margin-top: .2rem; color: var(--graphite); font-weight: 400; font-size: .9rem; }
.track p { margin: 0; color: var(--graphite); }
.track-progress { font-size: .88rem; color: var(--graphite); }
.track-progress .bar { margin-top: .45rem; }

.bar { height: 4px; background: var(--sunk); border-radius: 2px; overflow: hidden; }
.bar > span { display: block; height: 100%; background: var(--ok); }

/* Section page */
.page-head { max-width: 46rem; margin-bottom: 2.5rem; }
.crumbs { margin: 0 0 1rem; font-size: .92rem; color: var(--graphite); }
.crumbs a { color: var(--graphite); }
.page-head p.lede { font-size: 1.15rem; color: var(--graphite); margin: 1rem 0 0; }
.facts { display: flex; flex-wrap: wrap; gap: .4rem 1.5rem; margin-top: 1.25rem; color: var(--graphite); font-size: .92rem; }
.facts strong { color: var(--ink); }

.section-grid { display: grid; grid-template-columns: minmax(0, 1fr) 19rem; gap: 3.5rem; align-items: start; }
.outcomes { position: sticky; top: 5rem; padding: 1.25rem; border: 1px solid var(--rule); background: var(--panel); border-radius: var(--r-window); }
.outcomes h2 { font-size: 1rem; margin-bottom: .6rem; }
.outcomes ul { margin: 0 0 1rem; padding-left: 1.1rem; color: var(--graphite); font-size: .95rem; }
.outcomes li + li { margin-top: .3rem; }

.sequence { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); }
.sequence li { border-bottom: 1px solid var(--rule); }
.sequence a { display: grid; grid-template-columns: 2.25rem minmax(0, 1fr) auto; gap: 1rem; padding: 1rem 0; color: inherit; text-decoration: none; align-items: baseline; }
.sequence a:hover .seq-title { color: var(--signal); }
.seq-num { font-weight: 700; color: var(--graphite); }
.seq-title { font-weight: 700; }
.seq-sub { display: block; color: var(--graphite); font-size: .93rem; margin-top: .15rem; }
.seq-meta { font-size: .88rem; color: var(--graphite); text-align: right; white-space: nowrap; }
.seq-done .seq-num { color: var(--ok); }
.tick { display: inline-block; width: .95rem; height: .95rem; vertical-align: -.12rem; }
.subhead { font-size: 1.05rem; margin: 2.5rem 0 .75rem; }

/* Difficulty, shown as text plus three bars so it reads without colour */
.level { display: inline-flex; align-items: center; gap: .4rem; font-size: .88rem; color: var(--graphite); white-space: nowrap; }
.level i { display: inline-flex; gap: 2px; }
.level i b { width: 4px; height: 11px; background: var(--rule-strong); border-radius: 1px; }
.level[data-level="easy"] i b:nth-child(-n+1), .level[data-level="medium"] i b:nth-child(-n+2), .level[data-level="hard"] i b { background: var(--ink); }

/* Lesson and challenge layout */
.activity { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr); gap: 2.5rem; align-items: start; }
.activity.single { grid-template-columns: minmax(0, var(--read)); }
.activity-main { min-width: 0; }
.activity-side { position: sticky; top: 4.75rem; min-width: 0; }
.activity-head { margin-bottom: 1.75rem; }
.activity-head h1 { font-size: 2rem; }
.activity-head .facts { margin-top: .75rem; }

.prose { max-width: var(--read); }
.prose p, .prose li { color: var(--ink); }
.prose ul, .prose ol { padding-left: 1.2rem; margin: 0 0 1em; }
.prose li + li { margin-top: .3rem; }
.lesson-block { margin: 0 0 1.75rem; max-width: var(--read); }
.lesson-block > h2 { font-size: 1.25rem; margin: 2.25rem 0 .75rem; }

.example { border: 1px solid var(--rule); border-radius: var(--r-window); background: var(--panel); overflow: hidden; }
.example-head { padding: .6rem .9rem; border-bottom: 1px solid var(--rule); font-weight: 700; font-size: .95rem; display: flex; justify-content: space-between; gap: 1rem; }
.example-step { display: grid; grid-template-columns: minmax(0, 1fr); border-bottom: 1px solid var(--rule); }
.example-step:last-child { border-bottom: 0; }
.example-step pre { margin: 0; padding: .65rem .9rem; background: var(--term-bg); color: var(--term-ink); font-size: .84rem; line-height: 1.5; overflow-x: auto; white-space: pre; }
.example-step pre .cmd { color: #fff; }
.example-step pre .cmd::before { content: "$ "; color: var(--term-user); }
.example-step pre .out { color: var(--term-dim); }
.example-step .why { padding: .55rem .9rem .7rem; font-size: .95rem; color: var(--ink); }
.example-step .why::before { content: ""; }
.example-step .try { float: right; margin: -.1rem 0 0 .75rem; }

pre.code { margin: 0; padding: .8rem 1rem; background: var(--panel); border: 1px solid var(--rule); border-radius: var(--r-window); overflow-x: auto; font-size: .86rem; line-height: 1.55; }
pre.code .ln { display: inline-block; width: 2ch; margin-right: 1ch; color: var(--graphite); text-align: right; user-select: none; }
.caption { font-size: .9rem; color: var(--graphite); margin-top: .4rem; }

table.grid { width: 100%; border-collapse: collapse; font-size: .95rem; }
table.grid th, table.grid td { text-align: left; padding: .5rem .75rem .5rem 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
table.grid th { font-weight: 700; border-bottom-color: var(--rule-strong); }
.table-scroll { overflow-x: auto; }

.note { padding: .85rem 1rem; border-left: 3px solid var(--signal); background: var(--panel); border-radius: 0 var(--r-control) var(--r-control) 0; }
.note[data-tone="warn"] { border-left-color: var(--warn); }
.note[data-tone="real"] { border-left-color: var(--ink); }
.note strong:first-child { display: block; margin-bottom: .15rem; }
.note p:last-child { margin-bottom: 0; }

details.reveal { border: 1px solid var(--rule); border-radius: var(--r-window); background: var(--panel); }
details.reveal summary { cursor: pointer; padding: .7rem .9rem; font-weight: 700; }
details.reveal[open] summary { border-bottom: 1px solid var(--rule); }
details.reveal .prose { padding: .8rem .9rem .2rem; }

/* Interactive checks */
.check { border: 1px solid var(--rule); border-radius: var(--r-window); background: var(--panel); padding: 1rem 1.1rem 1.1rem; }
.check-kind { font-size: .85rem; color: var(--graphite); font-weight: 700; margin-bottom: .35rem; }
.check-q { font-weight: 700; margin-bottom: .75rem; }
.check-q p { margin: 0; }
.check pre.code { margin-bottom: .8rem; background: var(--paper); }
.options { display: grid; gap: .45rem; }
.option { display: flex; gap: .7rem; align-items: flex-start; width: 100%; text-align: left; padding: .6rem .75rem; border: 1px solid var(--rule); border-radius: var(--r-control); background: var(--paper); cursor: pointer; font-weight: 400; line-height: 1.45; }
.option:hover:not(:disabled) { border-color: var(--rule-strong); }
.option .key { flex: none; display: inline-grid; place-items: center; width: 1.5rem; height: 1.5rem; border: 1px solid var(--rule-strong); border-radius: 3px; font-size: .8rem; font-weight: 700; }
.option code { background: var(--sunk); }
.option.is-right { border-color: var(--ok); background: var(--ok-soft); }
.option.is-right .key { background: var(--ok); border-color: var(--ok); color: var(--panel); }
.option.is-wrong { border-color: var(--bad); background: var(--bad-soft); }
.option:disabled { cursor: default; }
.feedback { margin-top: .75rem; font-size: .95rem; }
.feedback p { margin: 0; }
.feedback.ok { color: var(--ok); }
.feedback.no { color: var(--bad); }
.feedback .explain { color: var(--ink); margin-top: .35rem; }
.check.done { border-color: color-mix(in srgb, var(--ok) 45%, var(--rule)); }

.order-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .4rem; }
.order-list li { display: flex; align-items: center; gap: .6rem; padding: .45rem .6rem; border: 1px solid var(--rule); border-radius: var(--r-control); background: var(--paper); }
.order-list li span { flex: 1; }
.order-list .moves { display: flex; gap: .25rem; }

.spot { margin: 0; padding: .4rem 0; background: var(--paper); border: 1px solid var(--rule); border-radius: var(--r-window); font-family: var(--mono); font-size: .85rem; overflow-x: auto; }
.spot button { display: block; width: 100%; text-align: left; border: 0; background: transparent; padding: .15rem .8rem; white-space: pre; cursor: pointer; font: inherit; }
.spot button:hover:not(:disabled) { background: var(--signal-soft); }
.spot button .ln { display: inline-block; width: 2ch; margin-right: 1.2ch; color: var(--graphite); text-align: right; }
.spot button.is-right { background: var(--ok-soft); box-shadow: inset 3px 0 var(--ok); }
.spot button.is-wrong { background: var(--bad-soft); box-shadow: inset 3px 0 var(--bad); }

.task { display: grid; grid-template-columns: 1.6rem minmax(0, 1fr); gap: .6rem; padding: .85rem 1rem; border: 1px dashed var(--rule-strong); border-radius: var(--r-window); background: transparent; }
.task .box { width: 1.25rem; height: 1.25rem; border: 2px solid var(--rule-strong); border-radius: 3px; margin-top: .15rem; display: grid; place-items: center; }
.task.done { border-style: solid; border-color: color-mix(in srgb, var(--ok) 45%, var(--rule)); background: var(--panel); }
.task.done .box { background: var(--ok); border-color: var(--ok); color: var(--panel); }
.task .prose p { margin-bottom: .3rem; }
.task .hintline { font-size: .9rem; color: var(--graphite); }

.terms { display: flex; flex-wrap: wrap; gap: .4rem .5rem; margin: .25rem 0 0; padding: 0; list-style: none; }
.term-chip { border: 1px solid var(--rule); background: var(--panel); border-radius: var(--r-control); padding: .2rem .55rem; font-size: .9rem; cursor: help; }
.term-chip[aria-expanded="true"] { border-color: var(--mark); background: color-mix(in srgb, var(--mark) 22%, var(--panel)); }
.term-def { margin-top: .6rem; padding: .7rem .9rem; border-left: 3px solid var(--mark); background: var(--panel); font-size: .95rem; }

.lesson-end { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--ink); max-width: var(--read); }
.lesson-end h2 { font-size: 1.15rem; margin-bottom: .4rem; }

/* Workspace frame */
.workspace { border: 1px solid var(--rule-strong); border-radius: var(--r-window); overflow: hidden; background: var(--panel); }
.workspace-bar { display: flex; align-items: center; justify-content: space-between; gap: .75rem; padding: .45rem .5rem .45rem .9rem; border-bottom: 1px solid var(--rule); background: var(--panel); }
.workspace-bar h2 { font-size: .95rem; }
.workspace-bar .row { gap: .35rem; }
.workspace-note { padding: .55rem .9rem; font-size: .88rem; color: var(--graphite); border-top: 1px solid var(--rule); background: var(--panel); }

/* Terminal */
.term { height: min(62vh, 34rem); min-height: 18rem; overflow-y: auto; padding: .75rem .9rem 1rem; background: var(--term-bg); color: var(--term-ink); font: 400 .86rem/1.5 var(--mono); cursor: text; overscroll-behavior: contain; }
.term-output { white-space: pre-wrap; word-break: break-word; }
.term-echo .cmd { color: #fff; }
.term-line { display: flex; align-items: baseline; margin: 0; }
.term-prompt, .term-echo { white-space: pre; }
.term-echo { white-space: pre-wrap; }
.p-user { color: var(--term-user); }
.p-cwd { color: var(--term-cwd); }
.term-input { flex: 1; min-width: 4rem; border: 0; outline: 0; padding: 0; background: transparent; color: #fff; font: inherit; caret-color: var(--mark); }
.term .err { color: var(--term-err); }
.term .b { font-weight: 500; }
.term .red { color: #ff8b80; }
.term .green { color: #7bd389; }
.term .yellow { color: #f2d04b; }
.term .blue { color: #8fb0ff; }
.term .magenta { color: #d7a3ff; }
.term .cyan { color: #7fd8e6; }

/* Challenge page */
.brief { max-width: var(--read); }
.goal { margin: 1.5rem 0; padding: .9rem 1rem; border: 1px solid var(--ink); border-radius: var(--r-window); max-width: var(--read); }
.goal h2 { font-size: .95rem; margin-bottom: .2rem; }
.goal p { margin: 0; }
.flag-form { margin: 1.75rem 0; max-width: var(--read); }
.flag-form .row { flex-wrap: nowrap; }
.flag-form .field { font-family: var(--mono); }
.flag-form .feedback { min-height: 1.5em; }
.solved-banner { display: flex; gap: .75rem; align-items: baseline; flex-wrap: wrap; margin: 1.5rem 0; max-width: var(--read); padding: .8rem 1rem; border-radius: var(--r-window); background: var(--ok-soft); border: 1px solid color-mix(in srgb, var(--ok) 50%, transparent); }
.solved-banner strong { color: var(--ok); }
.hints { max-width: var(--read); margin: 1.5rem 0; }
.hints h2 { font-size: 1.05rem; margin-bottom: .5rem; }
.hint { padding: .7rem .9rem; border-left: 3px solid var(--warn); background: var(--panel); margin-bottom: .5rem; border-radius: 0 var(--r-control) var(--r-control) 0; }
.hint p { margin: 0; }
.hint b { display: block; font-size: .85rem; color: var(--graphite); margin-bottom: .15rem; }
.writeup { max-width: var(--read); margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--ink); }
.writeup h2 { font-size: 1.2rem; margin: 0 0 .6rem; }
.writeup h3 { margin: 1.4rem 0 .4rem; }
.skills { display: flex; flex-wrap: wrap; gap: .35rem; margin: 0; padding: 0; list-style: none; }
.skills li { font-size: .85rem; padding: .1rem .5rem; border: 1px solid var(--rule); border-radius: var(--r-control); color: var(--graphite); }
.next-up { margin-top: 2rem; display: flex; gap: .75rem; flex-wrap: wrap; }

/* Challenge index */
.filters { display: flex; flex-wrap: wrap; gap: .75rem 1rem; align-items: end; margin: 0 0 1.25rem; }
.filters .grow { flex: 1 1 14rem; }
.filters label span { display: block; margin-bottom: .3rem; }
.filters select.field { min-width: 10rem; }
.board { width: 100%; border-collapse: collapse; }
.board th { text-align: left; font-size: .88rem; color: var(--graphite); font-weight: 700; padding: .5rem .75rem .5rem 0; border-bottom: 1px solid var(--ink); }
.board td { padding: .8rem .75rem .8rem 0; border-bottom: 1px solid var(--rule); vertical-align: middle; }
.board tr:hover td { background: var(--panel); }
.board a { font-weight: 700; color: var(--ink); text-decoration: none; }
.board a:hover { color: var(--signal); }
.board .num { text-align: right; font-variant-numeric: tabular-nums; }
.board .status { width: 6.5rem; font-size: .9rem; }
.solved-mark { background: var(--mark); color: var(--mark-ink); padding: .05rem .4rem; border-radius: 2px; font-weight: 700; font-size: .82rem; }
.board .sub { display: block; font-weight: 400; color: var(--graphite); font-size: .9rem; }

/* Review */
.flashcard { max-width: 36rem; margin: 1rem 0; border: 1px solid var(--rule-strong); border-radius: var(--r-window); background: var(--panel); }
.flashcard-face { padding: 2rem 1.5rem; min-height: 12rem; display: grid; align-content: center; gap: .75rem; }
.flashcard-term { font-size: 1.6rem; font-weight: 700; }
.flashcard-from { font-size: .9rem; color: var(--graphite); }
.flashcard-def { border-top: 1px solid var(--rule); padding-top: .9rem; }
.flashcard-actions { display: flex; gap: .5rem; padding: .75rem 1rem; border-top: 1px solid var(--rule); flex-wrap: wrap; }
.boxes { display: flex; gap: .3rem; align-items: end; height: 3rem; margin: 1rem 0 .3rem; }
.boxes span { width: 2.2rem; background: var(--sunk); border-radius: 2px 2px 0 0; position: relative; }
.boxes span b { position: absolute; inset: auto 0 0 0; background: var(--ok); border-radius: 2px 2px 0 0; }

/* Progress */
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--ink); margin-bottom: 2.5rem; }
.stats div { padding: .9rem 1rem .9rem 0; }
.stats strong { display: block; font-size: 1.8rem; line-height: 1.1; }
.stats span { color: var(--graphite); font-size: .92rem; }
.settings { max-width: var(--read); }
.settings section { padding: 1.25rem 0; border-top: 1px solid var(--rule); }
.settings h2 { font-size: 1.05rem; margin-bottom: .4rem; }

/* Tools / workbench */
.bench { display: grid; grid-template-columns: minmax(0, 1fr); gap: .9rem; padding: .9rem; }
.bench-ops { display: flex; flex-wrap: wrap; gap: .35rem; }
.bench-ops button { min-height: 2rem; padding: .2rem .6rem; border: 1px solid var(--rule); border-radius: var(--r-control); background: var(--paper); font-size: .85rem; font-weight: 700; cursor: pointer; }
.bench-ops button:hover { border-color: var(--rule-strong); }
.bench-ops button[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.bench-params { display: flex; flex-wrap: wrap; gap: .6rem; align-items: end; }
.bench-params label { font-size: .88rem; }
.bench-params .field { min-height: 2.2rem; padding: .3rem .55rem; }
.bench-out { min-height: 6rem; max-height: 22rem; overflow: auto; margin: 0; padding: .7rem .8rem; background: var(--paper); border: 1px solid var(--rule); border-radius: var(--r-control); font-size: .84rem; white-space: pre-wrap; word-break: break-all; }
.bench-out.err { color: var(--bad); }
.bench-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; }
.bench-head label { margin: 0; }
.artifact { padding: .9rem; border-bottom: 1px solid var(--rule); }
.artifact pre { margin: .4rem 0 0; max-height: 16rem; overflow: auto; padding: .6rem .75rem; background: var(--paper); border: 1px solid var(--rule); border-radius: var(--r-control); font-size: .82rem; white-space: pre-wrap; word-break: break-all; }
.artifact-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.artifact-head span { font-weight: 700; font-size: .92rem; }

/* Web lab: a browser with a small dev tools panel */
.browser-bar { display: flex; gap: .4rem; align-items: center; padding: .45rem .5rem; border-bottom: 1px solid var(--rule); background: var(--sunk); }
.browser-bar .field { min-height: 2.1rem; padding: .25rem .6rem; font-family: var(--mono); font-size: .85rem; }
.browser-view { position: relative; height: 22rem; background: #fff; }
.browser-view iframe { width: 100%; height: 100%; border: 0; display: block; background: #fff; }
.devtools { border-top: 1px solid var(--rule-strong); }
.devtools [role="tablist"] { display: flex; gap: 0; border-bottom: 1px solid var(--rule); background: var(--panel); overflow-x: auto; }
.devtools [role="tab"] { border: 0; border-bottom: 2px solid transparent; background: transparent; padding: .5rem .8rem; font-size: .85rem; font-weight: 700; color: var(--graphite); cursor: pointer; white-space: nowrap; }
.devtools [role="tab"][aria-selected="true"] { color: var(--ink); border-bottom-color: var(--ink); }
.devtools [role="tabpanel"] { padding: .7rem .8rem; max-height: 17rem; overflow: auto; font-size: .88rem; }
.devtools pre { margin: 0; white-space: pre-wrap; word-break: break-all; font-size: .8rem; }
.devtools table { width: 100%; border-collapse: collapse; font-size: .82rem; }
.devtools td, .devtools th { text-align: left; padding: .3rem .4rem; border-bottom: 1px solid var(--rule); font-family: var(--mono); vertical-align: top; word-break: break-all; }
.devtools th { font-family: var(--sans); font-weight: 700; color: var(--graphite); }
.devtools .field { min-height: 2rem; padding: .25rem .5rem; font-family: var(--mono); font-size: .82rem; }
.repeater { display: grid; gap: .5rem; }
.repeater .row { flex-wrap: nowrap; }
.repeater select.field { width: auto; }
.net-row { cursor: pointer; }
.net-row:hover td { background: var(--signal-soft); }
.status-ok { color: var(--ok); }
.status-bad { color: var(--bad); }

/* Packet viewer */
.pcap-filter { padding: .5rem; border-bottom: 1px solid var(--rule); background: var(--sunk); }
.pcap-filter .field { font-family: var(--mono); font-size: .85rem; min-height: 2.1rem; padding: .25rem .6rem; }
.pcap-list { max-height: 15rem; overflow: auto; border-bottom: 1px solid var(--rule); }
.pcap-list table { width: 100%; border-collapse: collapse; font: .78rem/1.35 var(--mono); }
.pcap-list th { position: sticky; top: 0; background: var(--panel); text-align: left; font: 700 .8rem var(--sans); color: var(--graphite); padding: .35rem .45rem; border-bottom: 1px solid var(--rule); }
.pcap-list td { padding: .25rem .45rem; border-bottom: 1px solid var(--rule); white-space: nowrap; }
.pcap-list tr { cursor: pointer; }
.pcap-list tr:hover td { background: var(--signal-soft); }
.pcap-list tr[aria-selected="true"] td { background: var(--ink); color: var(--paper); }
.pcap-detail { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.pcap-detail > div { padding: .6rem .7rem; max-height: 14rem; overflow: auto; font: .78rem/1.45 var(--mono); }
.pcap-detail > div + div { border-left: 1px solid var(--rule); }
.pcap-detail dl { margin: 0; }
.pcap-detail dt { font-family: var(--sans); font-weight: 700; margin-top: .4rem; }
.pcap-detail dt:first-child { margin-top: 0; }
.pcap-detail dd { margin: 0 0 0 .8rem; color: var(--graphite); word-break: break-all; }
.pcap-detail pre { margin: 0; white-space: pre; }
.stream-view { padding: .7rem; max-height: 22rem; overflow: auto; font: .8rem/1.45 var(--mono); white-space: pre-wrap; word-break: break-all; }
.stream-view .c { color: var(--bad); }
.stream-view .s { color: var(--signal); }

/* Assembly stepper and memory view */
.cpu { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); }
.cpu-code { margin: 0; padding: .5rem 0; max-height: 24rem; overflow: auto; font: .82rem/1.55 var(--mono); border-right: 1px solid var(--rule); }
.cpu-code div { padding: 0 .8rem; white-space: pre; }
.cpu-code div.current { background: var(--mark); color: var(--mark-ink); }
.cpu-code .addr { color: var(--graphite); margin-right: 1ch; }
.cpu-code .current .addr { color: inherit; }
.cpu-state { padding: .7rem .8rem; font: .82rem/1.6 var(--mono); }
.cpu-state table { border-collapse: collapse; width: 100%; }
.cpu-state td { padding: .1rem .3rem; border-bottom: 1px solid var(--rule); }
.cpu-state td.changed { background: color-mix(in srgb, var(--mark) 40%, transparent); }
.cpu-bar { display: flex; gap: .35rem; padding: .5rem; border-bottom: 1px solid var(--rule); flex-wrap: wrap; align-items: center; }
.cpu-bar .field { width: 9rem; min-height: 2rem; padding: .2rem .5rem; font-family: var(--mono); font-size: .85rem; }
.cpu-out { padding: .5rem .8rem; border-top: 1px solid var(--rule); font: .82rem var(--mono); min-height: 2.2rem; }

.memory { padding: .8rem; }
.memory-grid { display: grid; grid-template-columns: 6.5rem repeat(8, minmax(0, 1fr)); gap: 2px; font: .78rem var(--mono); }
.memory-grid .addr { color: var(--graphite); padding: .3rem 0; }
.memory-grid .cell { text-align: center; padding: .3rem 0; border-radius: 2px; background: var(--sunk); }
.memory-grid .cell[data-region="buffer"] { background: var(--signal-soft); }
.memory-grid .cell[data-region="var"] { background: color-mix(in srgb, var(--warn) 22%, var(--panel)); }
.memory-grid .cell[data-region="saved"] { background: var(--sunk); }
.memory-grid .cell[data-region="ret"] { background: color-mix(in srgb, var(--bad) 20%, var(--panel)); }
.memory-grid .cell.written { outline: 1px solid var(--ink); }
.memory-grid .cell.overflow { background: var(--bad); color: #fff; }
.memory-legend { display: flex; flex-wrap: wrap; gap: .3rem 1rem; margin: .7rem 0; font-size: .85rem; color: var(--graphite); }
.memory-legend span::before { content: ""; display: inline-block; width: .8rem; height: .8rem; margin-right: .35rem; vertical-align: -.1rem; border-radius: 2px; background: var(--c); }
.memory-run { padding: .8rem; border-top: 1px solid var(--rule); }
.memory-run pre { margin: .5rem 0 0; padding: .6rem .7rem; background: var(--term-bg); color: var(--term-ink); border-radius: var(--r-control); font-size: .82rem; white-space: pre-wrap; }

/* Notices */
.empty { padding: 2.5rem 0; color: var(--graphite); max-width: var(--read); }
.toast { position: fixed; left: 50%; bottom: 1.25rem; transform: translateX(-50%); padding: .65rem 1rem; background: var(--ink); color: var(--paper); border-radius: var(--r-control); font-weight: 700; z-index: 60; }

/* Narrow screens */
@media (max-width: 1080px) {
  .activity { grid-template-columns: minmax(0, 1fr); }
  .activity-side { position: static; }
  .section-grid { grid-template-columns: minmax(0, 1fr); gap: 2rem; }
  .outcomes { position: static; }
}
@media (max-width: 860px) {
  .hero { grid-template-columns: minmax(0, 1fr); gap: 2rem; }
  .method { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .method li { padding-bottom: 1rem; }
  .track { grid-template-columns: 2rem minmax(0, 1fr); gap: .3rem 1rem; }
  .track > p, .track-progress { grid-column: 2; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .board .hide-narrow { display: none; }
  .pcap-detail, .cpu { grid-template-columns: minmax(0, 1fr); }
  .pcap-detail > div + div { border-left: 0; border-top: 1px solid var(--rule); }
  .cpu-code { border-right: 0; border-bottom: 1px solid var(--rule); }
}
@media (max-width: 720px) {
  body { font-size: 1rem; }
  .masthead-inner { gap: 1rem; flex-wrap: wrap; padding: 0 1rem; }
  .menu-button { display: inline-grid; margin-left: auto; }
  .nav { order: 3; width: 100%; display: none; flex-direction: column; gap: 0; margin: 0; padding-bottom: .5rem; }
  .nav.open { display: flex; }
  .nav a { padding: .65rem 0; border-bottom: 1px solid var(--rule); }
  .nav a[aria-current="page"] { border-bottom-color: var(--rule); color: var(--signal); }
  .masthead-tools .score { display: none; }
  main { padding: 1.75rem 1rem 4rem; }
  h1, .activity-head h1 { font-size: 1.75rem; }
  .method { grid-template-columns: minmax(0, 1fr); }
  .flag-form .row { flex-wrap: wrap; }
  .flag-form .btn { width: 100%; }
  .memory-grid { grid-template-columns: 4.5rem repeat(8, minmax(0, 1fr)); font-size: .7rem; }
  .board td.status, .board th.status { width: auto; }
  .term { font-size: .8rem; }
}

@media (prefers-reduced-motion: no-preference) {
  .check.just-done { animation: settle .45s ease-out; }
  @keyframes settle { from { background: var(--ok-soft); } to { background: var(--panel); } }
}

/* Shared small controls */
.linklike { border: 0; padding: 0; background: none; color: var(--signal); cursor: pointer; text-align: left; font: inherit; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: .15em; }
.linklike:hover { color: var(--signal-hover); }
.field.invalid { border-color: var(--bad); outline-color: var(--bad); }

/* SIEM */
.siem { display: grid; gap: .6rem; padding: .75rem; }
.siem-bar { display: flex; gap: .4rem; }
.siem-input { font-family: var(--mono); font-size: .86rem; }
.siem-sources { margin: 0; font-size: .85rem; color: var(--graphite); }
.siem-status { margin: 0; font-size: .88rem; color: var(--graphite); }
.siem-status.error { color: var(--bad); font-weight: 700; }
.siem-help, .siem-fields { border: 1px solid var(--rule); border-radius: var(--r-control); background: var(--paper); }
.siem-help summary, .siem-fields summary { padding: .4rem .6rem; cursor: pointer; font-weight: 700; font-size: .9rem; }
.siem-help-body { padding: .2rem .7rem .7rem; font-size: .88rem; }
.siem-help-body dl { display: grid; grid-template-columns: 6.5rem 1fr; gap: .2rem .6rem; margin: 0; }
.siem-help-body dt { font-family: var(--mono); font-weight: 500; }
.siem-help-body dd { margin: 0; color: var(--graphite); }
.siem-help-body ul { margin: .2rem 0 0; padding-left: 1.1rem; }
.siem-field-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(12rem, 1fr)); gap: .6rem 1rem; padding: .3rem .7rem .7rem; max-height: 16rem; overflow: auto; font-size: .85rem; }
.siem-field ul { list-style: none; margin: .15rem 0 0; padding: 0; }
.siem-field li { overflow-wrap: anywhere; }
.siem-chart { margin: 0 0 .4rem; }
.siem-chart svg { display: block; width: 100%; height: 44px; fill: var(--signal); }
.siem-chart figcaption { display: flex; justify-content: space-between; font-size: .75rem; color: var(--graphite); font-family: var(--mono); }
.siem-events { list-style: none; margin: 0; padding: 0; max-height: 26rem; overflow: auto; border-top: 1px solid var(--rule); }
.siem-events li { display: grid; grid-template-columns: 9.6rem minmax(0, 1fr); gap: .6rem; padding: .35rem 0; border-bottom: 1px solid var(--rule); font-size: .8rem; }
.siem-events time { font-family: var(--mono); color: var(--graphite); white-space: nowrap; }
.siem-events summary { cursor: pointer; overflow-wrap: anywhere; list-style: none; }
.siem-events summary::-webkit-details-marker { display: none; }
.siem-events table { margin: .35rem 0; border-collapse: collapse; font-size: .78rem; }
.siem-events th { text-align: left; padding: .1rem .7rem .1rem 0; color: var(--graphite); font-weight: 700; vertical-align: top; }
.siem-events td { font-family: var(--mono); overflow-wrap: anywhere; }
.siem-table-wrap { max-height: 28rem; overflow: auto; border: 1px solid var(--rule); border-radius: var(--r-control); }
.siem-table { width: 100%; border-collapse: collapse; font: .8rem/1.4 var(--mono); }
.siem-table th { position: sticky; top: 0; background: var(--panel); text-align: left; padding: .35rem .5rem; border-bottom: 1px solid var(--rule-strong); font-family: var(--sans); font-weight: 700; }
.siem-table td { padding: .3rem .5rem; border-bottom: 1px solid var(--rule); white-space: pre-wrap; overflow-wrap: anywhere; vertical-align: top; }
.siem-table tr:hover td { background: var(--signal-soft); }

/* Mailbox */
.mail-list { list-style: none; margin: 0; padding: 0; max-height: 11rem; overflow: auto; border-bottom: 1px solid var(--rule-strong); }
.mail-list li { display: grid; grid-template-columns: 11rem minmax(0, 1fr); gap: .6rem; padding: .45rem .8rem; border-bottom: 1px solid var(--rule); cursor: pointer; font-size: .88rem; }
.mail-list li span, .mail-list li strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mail-list li span { color: var(--graphite); }
.mail-list li:hover { background: var(--signal-soft); }
.mail-list li[aria-selected="true"], .mail-list li[aria-selected="true"] span { background: var(--ink); color: var(--paper); }
.mail-summary { padding: .7rem .9rem .3rem; }
.mail-summary h3 { margin-bottom: .4rem; }
.mail-summary dl { display: grid; grid-template-columns: 3.5rem minmax(0, 1fr); gap: .1rem .6rem; margin: 0; font-size: .88rem; }
.mail-summary dt { color: var(--graphite); }
.mail-summary dd { margin: 0; overflow-wrap: anywhere; }
.mail-tabs { display: flex; border-bottom: 1px solid var(--rule); padding: 0 .5rem; }
.mail-tabs [role="tab"] { border: 0; border-bottom: 2px solid transparent; background: none; padding: .45rem .7rem; font-weight: 700; font-size: .88rem; color: var(--graphite); cursor: pointer; }
.mail-tabs [role="tab"][aria-selected="true"] { color: var(--ink); border-bottom-color: var(--ink); }
.mail-pane { max-height: 26rem; overflow: auto; }
.mail-body, .mail-source { margin: 0; padding: .8rem .9rem; font: .82rem/1.55 var(--mono); white-space: pre-wrap; overflow-wrap: anywhere; }
.mail-hex { margin: .4rem 0; padding: .6rem; font: .75rem/1.45 var(--mono); background: var(--paper); border: 1px solid var(--rule); border-radius: var(--r-control); white-space: pre; overflow-x: auto; }
.mail-headers { width: 100%; border-collapse: collapse; font-size: .8rem; }
.mail-headers th { text-align: left; vertical-align: top; padding: .3rem .6rem .3rem .9rem; white-space: nowrap; color: var(--graphite); font-weight: 700; }
.mail-headers td { padding: .3rem .9rem .3rem 0; font-family: var(--mono); overflow-wrap: anywhere; }
.mail-headers tr { border-bottom: 1px solid var(--rule); }
.mail-headers tr.key th { color: var(--ink); }
.mail-headers tr.key { background: color-mix(in srgb, var(--mark) 14%, transparent); }
.mail-attachments { padding: 0 .9rem .9rem; }
.mail-attachments h3 { font-size: .95rem; margin: .4rem 0; }
.mail-attachments details { border: 1px solid var(--rule); border-radius: var(--r-control); padding: .4rem .6rem; margin-bottom: .4rem; }
.mail-attachments summary { cursor: pointer; font-family: var(--mono); font-size: .85rem; }
.mail-attachments dl { display: grid; grid-template-columns: 8rem minmax(0, 1fr); gap: .15rem .6rem; font-size: .85rem; margin: .5rem 0; }
.mail-attachments dt { color: var(--graphite); }
.mail-attachments dd { margin: 0; overflow-wrap: anywhere; }

/* Packet viewer additions */
.pcap-status { margin: 0; padding: .35rem .6rem; font-size: .85rem; color: var(--graphite); border-bottom: 1px solid var(--rule); }
.pcap-tools { padding: .4rem .5rem; gap: .35rem; border-bottom: 1px solid var(--rule); }
.pcap-filter .btn { flex: none; }

/* Resources and case studies */
.resource-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); }
.resource-list li { display: grid; grid-template-columns: minmax(0, 14rem) minmax(0, 1fr); gap: 1.5rem; padding: 1rem 0; border-bottom: 1px solid var(--rule); }
.resource-list a { font-weight: 700; }
.resource-list p { margin: 0; color: var(--graphite); }
.resource-list .kind { display: block; font-size: .85rem; color: var(--graphite); }
.timeline { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--rule-strong); }
.timeline li { position: relative; padding: 0 0 .9rem 1rem; }
.timeline li::before { content: ""; position: absolute; left: -6px; top: .45rem; width: 10px; height: 10px; border-radius: 50%; background: var(--panel); border: 2px solid var(--ink); }
.timeline time { display: block; font-weight: 700; font-size: .9rem; }
@media (max-width: 720px) {
  .resource-list li { grid-template-columns: minmax(0, 1fr); gap: .25rem; }
  .mail-list li { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .siem-events li { grid-template-columns: minmax(0, 1fr); gap: .1rem; }
}

/* Case workspace: several evidence sources behind tabs */
.case-tabs { display: flex; flex-wrap: wrap; border-bottom: 1px solid var(--rule-strong); padding: 0 .5rem; background: var(--sunk); }
.case-tabs [role="tab"] { border: 0; border-bottom: 2px solid transparent; background: none; padding: .5rem .75rem; font-weight: 700; font-size: .88rem; color: var(--graphite); cursor: pointer; }
.case-tabs [role="tab"]:hover { color: var(--ink); }
.case-tabs [role="tab"][aria-selected="true"] { color: var(--ink); border-bottom-color: var(--signal); }

/* JetBrains Mono joins != into a single glyph, which misleads in queries and code. */
code, pre, kbd, samp, input, textarea, .mono, .term, .siem, .pcap, .bench, .mail { font-variant-ligatures: none; }