/* Computer Hacking Tools — Linux & AI for beginners */

:root {
  --bg: #f6f6fa;
  --surface: #ffffff;
  --surface2: #eef0f6;
  --text: #171a26;
  --text2: #4c5268;
  --text3: #7a8098;
  --border: #dfe2ec;
  --accent: #0e8a4f;
  --accent-soft: #e2f5ea;
  --rhel: #c8202d;
  --rhel-soft: #fdecee;
  --debian: #7a2e8c;
  --debian-soft: #f4eaf7;
  --same: #0e7490;
  --same-soft: #e3f4f8;
  --warn: #b45309;
  --warn-soft: #fdf3e2;
  --ai: #4f46e5;
  --ai-soft: #ecebfd;
  --code-bg: #10141d;
  --code-text: #dbe4ef;
  --term-bg: #0b0f16;
  --term-text: #d4dde8;
  --term-green: #4ade80;
  --term-blue: #60a5fa;
  --term-red: #f87171;
  --term-yellow: #facc15;
  --term-dim: #7b8698;
  --term-purple: #c084fc;
  --shadow: 0 1px 2px rgba(20, 24, 40, .06), 0 4px 16px rgba(20, 24, 40, .06);
  --r: 10px;
  --r-lg: 16px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-head: "Space Grotesk", var(--font);
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c0e14;
    --surface: #141823;
    --surface2: #1b2030;
    --text: #e8eaf2;
    --text2: #a6adc2;
    --text3: #7b8298;
    --border: #262c3d;
    --accent: #4ade80;
    --accent-soft: #11261b;
    --rhel: #ff6b74;
    --rhel-soft: #2a1417;
    --debian: #d08ae6;
    --debian-soft: #24162b;
    --same: #5ccde6;
    --same-soft: #10232a;
    --warn: #fbbf24;
    --warn-soft: #2a2010;
    --ai: #a5a0ff;
    --ai-soft: #1b1a36;
    --code-bg: #080a10;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 4px 16px rgba(0, 0, 0, .25);
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 var(--font);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: var(--accent); text-underline-offset: 3px; }
h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.2; letter-spacing: -.01em; }
code, kbd, pre { font-family: var(--mono); }
:not(pre) > code {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: .08em .35em;
  font-size: .88em;
}
kbd {
  background: var(--surface);
  border: 1px solid var(--border);
  border-bottom-width: 3px;
  border-radius: 6px;
  padding: 0 .4em;
  font-size: .85em;
}
img { max-width: 100%; }
.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 16px; }
main { flex: 1; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap { display: flex; align-items: center; gap: 18px; min-height: 60px; flex-wrap: wrap; padding-top: 8px; padding-bottom: 8px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-family: var(--font-head); font-weight: 700; font-size: 17px; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: var(--code-bg); color: var(--term-green);
  display: grid; place-items: center;
  font: 700 14px var(--mono);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.08);
}
.brand-mark .cursor { animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.nav { display: flex; gap: 4px; margin-left: auto; flex-wrap: wrap; }
.nav a { color: var(--text2); text-decoration: none; padding: 6px 10px; border-radius: 8px; font-weight: 500; font-size: 15px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); background: var(--surface2); }

.distro-switch { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text3); }
.seg { display: inline-flex; background: var(--surface2); border: 1px solid var(--border); border-radius: 999px; padding: 3px; }
.seg button {
  font: 600 13px var(--font); border: 0; background: transparent; color: var(--text2);
  padding: 5px 12px; border-radius: 999px; cursor: pointer; white-space: nowrap;
}
.seg button[aria-pressed="true"] { background: var(--surface); color: var(--text); box-shadow: var(--shadow); }
.seg button[data-d="rhel"][aria-pressed="true"] { color: var(--rhel); }
.seg button[data-d="debian"][aria-pressed="true"] { color: var(--debian); }

@media (max-width: 760px) {
  .site-header { position: static; }
  .nav { margin-left: 0; order: 3; width: 100%; }
  .distro-switch { margin-left: auto; }
  .distro-switch .lbl { display: none; }
}

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--border); margin-top: 64px; padding: 28px 0 40px; color: var(--text3); font-size: 14px; }
.site-footer .wrap { display: flex; gap: 12px 28px; flex-wrap: wrap; justify-content: space-between; }
.site-footer strong { color: var(--text2); }

/* ---------- home ---------- */
.hero { padding: 56px 0 36px; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 40px; align-items: center; }
.hero h1 { font-size: clamp(34px, 5.4vw, 58px); margin: 0 0 16px; }
.hero h1 .hl { color: var(--accent); }
.hero p.lead { font-size: 19px; color: var(--text2); margin: 0 0 24px; max-width: 34em; }
.eyebrow { display: inline-block; font: 600 12px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--accent); background: var(--accent-soft); padding: 4px 10px; border-radius: 999px; margin-bottom: 16px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font: 600 15px var(--font); text-decoration: none; cursor: pointer;
  padding: 11px 18px; border-radius: 10px; border: 1px solid transparent;
  background: var(--accent); color: #fff;
}
@media (prefers-color-scheme: dark) { .btn { color: #06200f; } }
.btn.ghost { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn:hover { filter: brightness(1.06); }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; }
@media (max-width: 900px) { .hero .wrap { grid-template-columns: 1fr; } .hero { padding-top: 32px; } }

.families { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 8px 0 0; }
.fam { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 18px 20px; box-shadow: var(--shadow); border-top: 4px solid; }
.fam.rhel { border-top-color: var(--rhel); }
.fam.debian { border-top-color: var(--debian); }
.fam h3 { margin: 0 0 4px; font-size: 18px; }
.fam.rhel h3 { color: var(--rhel); }
.fam.debian h3 { color: var(--debian); }
.fam p { margin: 0 0 10px; color: var(--text2); font-size: 14px; }
.fam .chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font: 500 12px var(--mono); padding: 3px 8px; border-radius: 999px; background: var(--surface2); color: var(--text2); border: 1px solid var(--border); }
@media (max-width: 560px) { .families { grid-template-columns: 1fr; } }

.section { padding: 40px 0 8px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
.section-head h2 { font-size: 30px; margin: 0; }
.section-head p { margin: 4px 0 0; color: var(--text2); }
.progress-pill { font: 600 13px var(--mono); color: var(--text2); background: var(--surface); border: 1px solid var(--border); padding: 6px 12px; border-radius: 999px; }
.progress-pill b { color: var(--accent); }

.unit { margin-bottom: 30px; }
.unit-title { font: 600 13px var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--text3); margin: 0 0 10px; }
.lesson-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.lesson-card {
  position: relative; display: flex; flex-direction: column; gap: 6px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg);
  padding: 18px 18px 16px; text-decoration: none; color: var(--text); box-shadow: var(--shadow);
  transition: transform .12s ease, border-color .12s ease;
}
.lesson-card:hover { transform: translateY(-2px); border-color: var(--accent); }
.lesson-card .num { font: 700 13px var(--mono); color: var(--accent); }
.lesson-card h3 { margin: 0; font-size: 18px; }
.lesson-card p { margin: 0; color: var(--text2); font-size: 14px; line-height: 1.5; }
.lesson-card .meta { margin-top: auto; padding-top: 8px; font-size: 12px; color: var(--text3); font-family: var(--mono); }
.lesson-card .check {
  position: absolute; top: 14px; right: 14px; width: 24px; height: 24px; border-radius: 50%;
  border: 2px solid var(--border); display: grid; place-items: center; font-size: 13px; color: transparent;
}
.lesson-card.done .check { background: var(--accent); border-color: var(--accent); color: #fff; }

.feature-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 20px; }
.feature h3 { margin: 0 0 6px; font-size: 18px; }
.feature p { margin: 0; color: var(--text2); font-size: 15px; }
.feature .ico { font: 700 18px var(--mono); color: var(--accent); margin-bottom: 8px; }
@media (max-width: 820px) { .feature-row { grid-template-columns: 1fr; } }

/* ---------- lesson layout ---------- */
.lesson-layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 40px; padding-top: 28px; }
.side-nav { position: sticky; top: 80px; align-self: start; max-height: calc(100vh - 100px); overflow: auto; font-size: 14px; }
.side-nav .unit-title { margin: 18px 0 6px; font-size: 11px; }
.side-nav .unit-title:first-child { margin-top: 0; }
.side-nav a { display: flex; gap: 8px; align-items: baseline; padding: 5px 8px; border-radius: 7px; color: var(--text2); text-decoration: none; line-height: 1.35; }
.side-nav a:hover { background: var(--surface2); color: var(--text); }
.side-nav a[aria-current="page"] { background: var(--accent-soft); color: var(--text); font-weight: 600; }
.side-nav .n { font: 600 11px var(--mono); color: var(--text3); min-width: 18px; }
.side-nav .done .n { color: var(--accent); }
.side-nav .done .n::before { content: "✓"; }
.side-nav .done .n span { display: none; }
@media (max-width: 900px) {
  .lesson-layout { grid-template-columns: 1fr; gap: 0; }
  .side-nav { display: none; }
}

.prose { max-width: 780px; min-width: 0; }
.prose h1 { font-size: clamp(30px, 4.5vw, 44px); margin: 6px 0 12px; }
.prose h2 { font-size: 26px; margin: 44px 0 10px; padding-top: 8px; }
.prose h3 { font-size: 19px; margin: 28px 0 8px; }
.prose p, .prose li { color: var(--text); }
.prose .lead { font-size: 19px; color: var(--text2); }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin: 4px 0; }
.kicker { font: 600 13px var(--mono); color: var(--accent); text-transform: uppercase; letter-spacing: .08em; }
.goals { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 14px 20px; margin: 20px 0; }
.goals h4 { margin: 0 0 4px; font-size: 14px; text-transform: uppercase; letter-spacing: .06em; color: var(--text3); }
.goals ul { margin: 0; }

/* callouts */
.callout { border-radius: var(--r); padding: 14px 18px; margin: 20px 0; border-left: 4px solid; background: var(--surface); }
.callout > :first-child { margin-top: 0; }
.callout > :last-child { margin-bottom: 0; }
.callout .ct { display: block; font: 700 12px var(--mono); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 4px; }
.callout.tip { border-color: var(--accent); background: var(--accent-soft); }
.callout.tip .ct { color: var(--accent); }
.callout.warn { border-color: var(--warn); background: var(--warn-soft); }
.callout.warn .ct { color: var(--warn); }
.callout.ai { border-color: var(--ai); background: var(--ai-soft); }
.callout.ai .ct { color: var(--ai); }
.callout.diff { border-color: var(--rhel); background: linear-gradient(90deg, var(--rhel-soft), var(--debian-soft)); border-image: linear-gradient(var(--rhel), var(--debian)) 1; border-left-width: 4px; border-style: solid; border-top: 0; border-right: 0; border-bottom: 0; }
.callout.diff .ct { color: var(--text2); }

/* code blocks */
.code-wrap { position: relative; }
pre.code, pre.out {
  margin: 0; padding: 14px 16px; border-radius: var(--r); overflow-x: auto;
  font-size: 14px; line-height: 1.6; white-space: pre;
}
pre.code { background: var(--code-bg); color: var(--code-text); }
pre.code::before { content: none; }
pre.code .p { color: var(--term-green); user-select: none; }
pre.code .cm { color: var(--term-dim); }
pre.out { background: var(--surface2); color: var(--text2); border: 1px dashed var(--border); margin-top: 8px; font-size: 13px; }
.copy-btn {
  position: absolute; top: 8px; right: 8px; font: 600 11px var(--font);
  background: rgba(255,255,255,.08); color: #c9d3df; border: 1px solid rgba(255,255,255,.14);
  border-radius: 6px; padding: 3px 8px; cursor: pointer; opacity: .75;
}
.copy-btn:hover { opacity: 1; }

.dual { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 18px 0; }
.side, .same { min-width: 0; }
.side-h {
  display: flex; align-items: center; gap: 8px;
  font: 700 12px var(--mono); text-transform: uppercase; letter-spacing: .06em; margin: 0 0 6px;
}
.side-h::before { content: ""; width: 10px; height: 10px; border-radius: 3px; background: currentColor; }
.side.rhel .side-h { color: var(--rhel); }
.side.debian .side-h { color: var(--debian); }
.same .side-h { color: var(--same); }
.side.rhel pre.code { box-shadow: inset 3px 0 0 var(--rhel); }
.side.debian pre.code { box-shadow: inset 3px 0 0 var(--debian); }
.same { margin: 18px 0; }
.same pre.code { box-shadow: inset 3px 0 0 var(--same); }
.side .note, .same .note { font-size: 14px; color: var(--text2); margin: 8px 2px 0; }
html[data-distro="rhel"] .dual, html[data-distro="debian"] .dual { grid-template-columns: 1fr; }
html[data-distro="rhel"] .side.debian, html[data-distro="rhel"] .only-debian,
html[data-distro="debian"] .side.rhel, html[data-distro="debian"] .only-rhel { display: none !important; }
@media (max-width: 700px) { .dual { grid-template-columns: 1fr; } }

/* comparison table */
.table-wrap { overflow-x: auto; margin: 18px 0; border: 1px solid var(--border); border-radius: var(--r); background: var(--surface); }
table.cmp { width: 100%; border-collapse: collapse; font-size: 14px; }
table.cmp th, table.cmp td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
table.cmp tr:last-child td { border-bottom: 0; }
table.cmp th { font: 700 12px var(--mono); text-transform: uppercase; letter-spacing: .05em; color: var(--text3); background: var(--surface2); }
table.cmp th.rhel { color: var(--rhel); }
table.cmp th.debian { color: var(--debian); }
table.cmp td code { white-space: nowrap; }
table.cmp td.same-cell { color: var(--same); }
html[data-distro="rhel"] table.cmp .debian, html[data-distro="debian"] table.cmp .rhel { display: none; }

/* term anatomy / diagrams */
.anatomy { background: var(--code-bg); border-radius: var(--r); padding: 22px 18px 14px; overflow-x: auto; margin: 18px 0; }
.anatomy .row { display: flex; gap: 2px; font: 500 17px var(--mono); color: var(--code-text); white-space: nowrap; }
.anatomy .part { position: relative; padding: 2px 3px 30px; border-bottom: 2px solid; text-align: center; }
.anatomy .part small { position: absolute; left: 50%; transform: translateX(-50%); bottom: 4px; font: 600 11px var(--font); white-space: nowrap; }
.anatomy .a1 { border-color: #4ade80; } .anatomy .a1 small { color: #4ade80; }
.anatomy .a2 { border-color: #60a5fa; } .anatomy .a2 small { color: #60a5fa; }
.anatomy .a3 { border-color: #facc15; } .anatomy .a3 small { color: #facc15; }
.anatomy .a4 { border-color: #f472b6; } .anatomy .a4 small { color: #f472b6; }
.anatomy .a5 { border-color: #c084fc; } .anatomy .a5 small { color: #c084fc; }
.anatomy .sp { width: 10px; }

.fs-tree { font: 14px/1.7 var(--mono); background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); padding: 14px 18px; overflow-x: auto; white-space: pre; margin: 18px 0; color: var(--text2); }
.fs-tree b { color: var(--term-blue); font-weight: 700; }
@media (prefers-color-scheme: light) { .fs-tree b { color: #1d4ed8; } }
.fs-tree i { color: var(--text3); font-style: normal; }

/* quiz */
.quiz { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 18px 20px; margin: 16px 0; box-shadow: var(--shadow); }
.quiz .q { font-weight: 600; margin: 0 0 12px; }
.quiz .opts { display: grid; gap: 8px; }
.quiz button.opt {
  text-align: left; font: 15px var(--font); color: var(--text); background: var(--surface2);
  border: 2px solid transparent; border-radius: 10px; padding: 10px 14px; cursor: pointer;
}
.quiz button.opt:hover { border-color: var(--border); }
.quiz button.opt.right { border-color: var(--accent); background: var(--accent-soft); }
.quiz button.opt.wrong { border-color: var(--rhel); background: var(--rhel-soft); }
.quiz .explain { margin: 12px 0 0; color: var(--text2); font-size: 15px; }

.complete-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin: 48px 0 16px; padding: 18px 20px; border-radius: var(--r-lg); background: var(--surface); border: 1px solid var(--border); }
.complete-bar p { margin: 0; color: var(--text2); }
.btn.done-state { background: var(--surface2); color: var(--accent); border-color: var(--accent); }
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 16px 0 0; }
.pager a { display: block; padding: 14px 16px; border: 1px solid var(--border); border-radius: var(--r); background: var(--surface); text-decoration: none; color: var(--text); }
.pager a small { display: block; color: var(--text3); font-size: 12px; font-family: var(--mono); }
.pager a.next { text-align: right; grid-column: 2; }
.pager a:hover { border-color: var(--accent); }

/* ---------- terminal ---------- */
.term {
  background: var(--term-bg); border-radius: 12px; overflow: hidden; margin: 22px 0;
  box-shadow: 0 10px 30px rgba(0,0,0,.25), inset 0 0 0 1px rgba(255,255,255,.06);
  color: var(--term-text);
}
.term-bar { display: flex; align-items: center; gap: 10px; padding: 8px 10px 8px 14px; background: #161c27; border-bottom: 1px solid rgba(255,255,255,.06); flex-wrap: wrap; }
.term-dots { display: flex; gap: 6px; }
.term-dots i { width: 11px; height: 11px; border-radius: 50%; background: #ff5f57; }
.term-dots i:nth-child(2) { background: #febc2e; }
.term-dots i:nth-child(3) { background: #28c840; }
.term-title { font: 600 12px var(--mono); color: #9aa6b8; flex: 1; min-width: 120px; }
.term .seg { background: #0b0f16; border-color: #2a3242; padding: 2px; }
.term .seg button { color: #8b96a8; font-size: 12px; padding: 3px 10px; }
.term .seg button[aria-pressed="true"] { background: #232b3a; box-shadow: none; }
.term .seg button[data-d="rhel"][aria-pressed="true"] { color: #ff7a82; }
.term .seg button[data-d="debian"][aria-pressed="true"] { color: #d99cf0; }
.term-reset { font: 600 12px var(--font); background: transparent; border: 1px solid #2a3242; color: #8b96a8; border-radius: 999px; padding: 3px 10px; cursor: pointer; }
.term-reset:hover { color: #d4dde8; }
.term-screen { height: 380px; overflow-y: auto; padding: 12px 14px 16px; font: 14px/1.5 var(--mono); cursor: text; }
.term.tall .term-screen { height: min(64vh, 620px); }
.term-out .l { white-space: pre-wrap; word-break: break-word; min-height: 1.5em; }
.term-line { display: flex; flex-wrap: wrap; align-items: baseline; }
.term-prompt { white-space: pre; }
.term-input {
  flex: 1; min-width: 60px; background: transparent; border: 0; outline: 0; padding: 0; margin: 0;
  color: var(--term-text); font: 16px/1.5 var(--mono); font-size: max(14px, 1em); caret-color: var(--term-green);
}
@media (max-width: 700px) { .term-input { font-size: 16px; } .term-screen { height: 340px; font-size: 13px; } }
.term-input.secret { color: transparent; text-shadow: none; }
.c-user { color: var(--term-green); font-weight: 700; }
.c-path { color: var(--term-blue); font-weight: 700; }
.c-dir { color: var(--term-blue); font-weight: 700; }
.c-exe { color: var(--term-green); font-weight: 700; }
.c-err { color: var(--term-red); }
.c-ok { color: var(--term-green); }
.c-warn { color: var(--term-yellow); }
.c-dim { color: var(--term-dim); }
.c-root { color: var(--term-red); font-weight: 700; }
.c-hint { color: var(--term-purple); font-style: italic; }
.c-hint::before { content: "» "; font-style: normal; }
.c-sys { color: #9aa6b8; }
.term-tasks { background: #111723; border-top: 1px solid rgba(255,255,255,.06); padding: 12px 16px 14px; font-size: 14px; }
.term-tasks h4 { margin: 0 0 8px; font: 700 12px var(--mono); text-transform: uppercase; letter-spacing: .08em; color: #9aa6b8; display: flex; justify-content: space-between; }
.term-tasks ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.term-tasks li { display: flex; gap: 10px; align-items: baseline; color: #c3cedb; }
.term-tasks li .box { flex: none; width: 18px; height: 18px; border-radius: 5px; border: 2px solid #3a4557; display: inline-grid; place-items: center; font-size: 11px; color: transparent; position: relative; top: 3px; }
.term-tasks li.done { color: #7b8698; }
.term-tasks li.done .txt { text-decoration: line-through; text-decoration-color: rgba(123,134,152,.6); }
.term-tasks li.done .box { background: var(--term-green); border-color: var(--term-green); color: #06200f; }
.term-tasks code { background: #1c2433; border-color: #2a3242; color: #e3eaf3; }
.term-tasks .all-done { margin-top: 10px; color: var(--term-green); font-weight: 600; display: none; }
.term-tasks.complete .all-done { display: block; animation: pop .4s ease; }
@keyframes pop { from { transform: scale(.96); opacity: 0; } to { transform: none; opacity: 1; } }

/* playground page */
.pg-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 24px; align-items: start; }
.pg-side { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 18px 20px; font-size: 14px; }
.pg-side h3 { margin: 0 0 8px; font-size: 16px; }
.pg-side ul { margin: 0 0 14px; padding-left: 1.1em; }
.pg-side li { margin: 3px 0; color: var(--text2); }
@media (max-width: 960px) { .pg-layout { grid-template-columns: 1fr; } }

.cheat-filter { width: 100%; max-width: 420px; font: 16px var(--font); padding: 10px 14px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface); color: var(--text); }
.cheat-group h2 { font-size: 22px; margin: 34px 0 8px; }

/* terminal v2: editor overlay, cron toast */
.term-body { position: relative; }
.term-toast { font: 600 12px var(--mono); color: var(--term-yellow); opacity: 0; transition: opacity .3s; white-space: nowrap; }
.term-toast.show { opacity: 1; }
@media (max-width: 700px) { .term-toast { display: none; } }
.term-editor { position: absolute; inset: 0; display: flex; flex-direction: column; background: #0b0f16; z-index: 2; font: 14px/1.5 var(--mono); }
.term-editor .ed-top { display: flex; justify-content: space-between; gap: 10px; padding: 2px 10px; background: #d4dde8; color: #0b0f16; font-weight: 700; font-size: 13px; }
.term-editor.vi .ed-top { background: #1c2433; color: #9aa6b8; font-weight: 500; }
.term-editor .ed-text { flex: 1; width: 100%; resize: none; border: 0; outline: 0; padding: 8px 12px; background: transparent; color: var(--term-text); font: inherit; font-size: max(14px, 1em); tab-size: 8; }
@media (max-width: 700px) { .term-editor .ed-text { font-size: 16px; } }
.term-editor .ed-text[readonly] { caret-color: var(--term-green); }
.term-editor .ed-status { min-height: 1.6em; padding: 0 12px; color: #d4dde8; text-align: center; display: flex; align-items: center; justify-content: center; gap: 2px; }
.term-editor.vi .ed-status { justify-content: flex-start; text-align: left; }
.term-editor .ed-status.err { color: #fff; background: #b91c1c; }
.term-editor .ed-status.ask { background: #d4dde8; color: #0b0f16; justify-content: flex-start; }
.term-editor .ed-status.mode { color: var(--term-yellow); font-weight: 700; }
.term-editor .ed-cmd { flex: 1; background: transparent; border: 0; outline: 0; color: var(--term-text); font: inherit; font-size: max(14px, 1em); padding: 0; }
.term-editor .ed-keys { display: flex; flex-wrap: wrap; gap: 6px 14px; padding: 6px 10px 8px; border-top: 1px solid #1c2433; color: #9aa6b8; font-size: 12px; }
.term-editor .ed-keys button { font: inherit; background: #1c2433; color: #d4dde8; border: 1px solid #2a3242; border-radius: 6px; padding: 3px 8px; cursor: pointer; }
.term-editor .ed-keys button:hover { background: #232b3a; }
.term-editor .ed-keys b { color: #fff; }
.term-editor .ed-keys span { align-self: center; }
.c-link { color: #22d3ee; font-weight: 700; }
.code-wrap pre.code { padding-right: 64px; }