/* Agent Engineering portal — no external assets, no build-time CSS framework. */

:root {
  --bg: #070a10;
  --bg-elevated: #0b111b;
  --panel: #0f1623;
  --panel-2: #121b2b;
  --panel-3: #172235;
  --line: rgba(148, 163, 184, 0.16);
  --line-strong: rgba(148, 163, 184, 0.3);
  --text: #e7eef8;
  --text-soft: #c3cfdf;
  --muted: #8a9bb0;
  --faint: #5e6f84;
  --accent: #5eead4;
  --accent-strong: #2dd4bf;
  --accent-dim: rgba(94, 234, 212, 0.12);
  --amber: #fbbf24;
  --amber-dim: rgba(251, 191, 36, 0.12);
  --rose: #fb7185;
  --rose-dim: rgba(251, 113, 133, 0.12);
  --green: #34d399;
  --green-dim: rgba(52, 211, 153, 0.12);
  --blue: #7dd3fc;
  --font: "Avenir Next", "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --mono: "SFMono-Regular", ui-monospace, "Cascadia Code", "Roboto Mono", Menlo, monospace;
  --radius: 18px;
  --radius-sm: 11px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  --max: 1320px;
  color-scheme: dark;
}

[data-theme="light"] {
  --bg: #f5f7fa;
  --bg-elevated: #ffffff;
  --panel: #ffffff;
  --panel-2: #f1f5f9;
  --panel-3: #e8eef6;
  --line: rgba(15, 23, 42, 0.1);
  --line-strong: rgba(15, 23, 42, 0.22);
  --text: #0b1524;
  --text-soft: #243247;
  --muted: #52637a;
  --faint: #7b8ca3;
  --accent: #0f766e;
  --accent-strong: #0d9488;
  --accent-dim: rgba(13, 148, 136, 0.1);
  --amber: #a16207;
  --amber-dim: rgba(161, 98, 7, 0.1);
  --rose: #be123c;
  --rose-dim: rgba(190, 18, 60, 0.09);
  --green: #047857;
  --green-dim: rgba(4, 120, 87, 0.09);
  --blue: #0369a1;
  --shadow: 0 24px 70px rgba(15, 23, 42, 0.12);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: #041312; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
button, input { font: inherit; }
button { color: inherit; }
code, pre, kbd, .mono { font-family: var(--mono); }
code { font-size: 0.88em; color: var(--accent); background: var(--accent-dim); padding: 0.12em 0.35em; border-radius: 5px; }
pre code { background: none; padding: 0; color: inherit; }
h1, h2, h3, h4 { margin: 0; line-height: 1.1; letter-spacing: -0.035em; font-weight: 650; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; }

.skip-link {
  position: fixed; left: 12px; top: -100px; z-index: 200;
  background: var(--accent); color: #041312; padding: 10px 14px; border-radius: 8px;
}
.skip-link:focus { top: 12px; }

.ambient {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(900px 500px at 78% -8%, rgba(45, 212, 191, 0.11), transparent 65%),
    radial-gradient(700px 420px at 8% 18%, rgba(125, 211, 252, 0.055), transparent 70%),
    radial-gradient(600px 500px at 50% 110%, rgba(251, 191, 36, 0.04), transparent 70%);
}
.ambient::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(148, 163, 184, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 80%);
}

.topbar {
  position: sticky; top: 0; z-index: 80;
  height: 72px; padding: 0 clamp(18px, 4vw, 54px);
  display: flex; align-items: center; gap: 28px;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px) saturate(140%);
}
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--text); text-decoration: none; flex: 0 0 auto; }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 32px; height: 32px; display: grid; place-items: center;
  border-radius: 9px; background: var(--accent-dim); border: 1px solid rgba(94, 234, 212, 0.35);
}
.brand-mark svg { width: 22px; height: 22px; fill: var(--accent); }
.brand-text { font-size: 0.98rem; font-weight: 650; letter-spacing: -0.02em; }
.brand-text em { font-style: normal; color: var(--muted); font-weight: 500; }
.topnav { display: flex; gap: 22px; margin-left: auto; }
.topnav a {
  color: var(--muted); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.02em;
  text-transform: uppercase; text-decoration: none; padding: 8px 0;
  border-bottom: 1px solid transparent;
}
.topnav a:hover, .topnav a.active { color: var(--text); border-bottom-color: var(--accent); }
.top-actions { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.search-trigger, .icon-button {
  border: 1px solid var(--line); background: var(--panel); color: var(--muted);
  border-radius: 9px; cursor: pointer; height: 36px;
}
.search-trigger { display: inline-flex; align-items: center; gap: 8px; padding: 0 10px; font-size: 0.78rem; }
.search-trigger:hover, .icon-button:hover { border-color: var(--line-strong); color: var(--text); }
.search-trigger kbd, .search-field kbd {
  border: 1px solid var(--line); border-radius: 4px; padding: 0 5px;
  font-size: 0.68rem; color: var(--faint); background: var(--bg-elevated);
}
.icon-button { width: 36px; display: grid; place-items: center; }
.menu-button { display: none; }

.shell {
  max-width: var(--max); margin: 0 auto; padding: 0 clamp(18px, 4vw, 54px);
  display: grid; grid-template-columns: 228px minmax(0, 1fr); gap: clamp(30px, 5vw, 72px);
}
.sidebar { position: relative; }
.sidebar-inner { position: sticky; top: 96px; padding: 38px 0 40px; }
.sidebar-label, .section-kicker, .drawer-kicker, .eyebrow {
  text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.67rem; font-weight: 700; color: var(--faint);
}
.sidebar-label { margin-bottom: 14px; }
.side-nav { display: flex; flex-direction: column; gap: 2px; }
.side-nav a {
  display: flex; align-items: center; gap: 12px; padding: 9px 10px; border-radius: 8px;
  color: var(--muted); font-size: 0.86rem; font-weight: 550; text-decoration: none;
}
.side-nav a span { font-family: var(--mono); font-size: 0.64rem; color: var(--faint); width: 18px; }
.side-nav a:hover, .side-nav a.active { color: var(--text); background: var(--panel); }
.side-nav a.active span { color: var(--accent); }
.sidebar-card {
  margin-top: 28px; padding: 16px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: linear-gradient(160deg, var(--panel), transparent);
}
.sidebar-card-title { font-size: 0.82rem; font-weight: 650; margin: 8px 0 5px; }
.sidebar-card-body { font-size: 0.75rem; line-height: 1.55; color: var(--muted); }
.sidebar-card a { display: inline-block; margin-top: 10px; font-size: 0.73rem; font-weight: 600; }
.sidebar-meta { margin-top: 18px; font-family: var(--mono); font-size: 0.64rem; line-height: 1.5; color: var(--faint); }
.pulse {
  display: inline-block; width: 7px; height: 7px; border-radius: 50%;
  background: var(--green); box-shadow: 0 0 0 4px var(--green-dim);
}
main { min-width: 0; }

.hero { padding: clamp(58px, 8vw, 108px) 0 70px; display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr); gap: clamp(32px, 6vw, 76px); align-items: center; }
.eyebrow { display: flex; align-items: center; gap: 9px; margin-bottom: 20px; color: var(--muted); }
.eyebrow-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 14px var(--accent); }
.hero h1 { font-size: clamp(2.6rem, 5.2vw, 4.7rem); font-weight: 640; letter-spacing: -0.065em; line-height: 0.98; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero-lead { max-width: 610px; margin-top: 26px; color: var(--text-soft); font-size: clamp(1rem, 1.5vw, 1.12rem); line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  border-radius: 9px; padding: 11px 16px; border: 1px solid transparent;
  font-size: 0.82rem; font-weight: 650; text-decoration: none; cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}
.button:hover { text-decoration: none; transform: translateY(-1px); }
.button.primary { background: var(--accent); color: #041312; }
.button.primary:hover { background: var(--accent-strong); }
.button.ghost { border-color: var(--line-strong); color: var(--text); background: var(--panel); }
.button.ghost:hover { background: var(--panel-2); }
.button.text { color: var(--muted); padding-inline: 6px; }
.button.text:hover { color: var(--text); }
.hero-stats { display: flex; flex-wrap: wrap; gap: 26px; margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--line); }
.stat strong { display: block; font-size: 1.55rem; letter-spacing: -0.05em; font-variant-numeric: tabular-nums; }
.stat span { display: block; font-size: 0.7rem; color: var(--faint); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 2px; }
.stat { min-width: 72px; }

.terminal-wrap { position: relative; }
.terminal-glow { position: absolute; inset: 12% 4% 2%; background: var(--accent); filter: blur(70px); opacity: 0.12; border-radius: 40%; }
.terminal {
  position: relative; border: 1px solid var(--line-strong); border-radius: 16px; overflow: hidden;
  background: #080d15; box-shadow: var(--shadow);
  transform: rotate(0.6deg);
}
[data-theme="light"] .terminal { background: #0b1524; }
.terminal-bar {
  display: flex; align-items: center; gap: 7px; padding: 11px 14px;
  background: rgba(255, 255, 255, 0.035); border-bottom: 1px solid rgba(148, 163, 184, 0.15);
}
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot.red { background: #fb7185; } .dot.amber { background: #fbbf24; } .dot.green { background: #34d399; }
.terminal-title { margin-left: 7px; font-family: var(--mono); font-size: 0.66rem; color: #8a9bb0; }
.terminal-badge { margin-left: auto; font-family: var(--mono); font-size: 0.58rem; color: #5eead4; border: 1px solid rgba(94, 234, 212, 0.28); padding: 2px 7px; border-radius: 999px; }
.terminal-body { padding: 18px 18px 20px; font-family: var(--mono); font-size: 0.72rem; line-height: 1.9; color: #d8e2ef; overflow-x: auto; }
.terminal-body p { white-space: nowrap; }
.terminal-body .prompt { color: #5eead4; }
.terminal-body .dim { color: #64748b; }
.terminal-body .ok { color: #34d399; font-weight: 700; }
.terminal-body .path { color: #fbbf24; font-size: 0.64rem; }
.cursor { display: inline-block; width: 7px; height: 12px; background: #5eead4; vertical-align: -2px; animation: blink 1.15s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }
.terminal-note { display: flex; align-items: center; gap: 9px; margin-top: 14px; font-size: 0.72rem; color: var(--muted); }
.terminal-note .pulse { background: var(--accent); box-shadow: 0 0 0 4px var(--accent-dim); }

.section { padding: clamp(64px, 8vw, 98px) 0; border-top: 1px solid var(--line); scroll-margin-top: 86px; }
.section-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 0.72fr); gap: 40px; align-items: end; margin-bottom: 34px; }
.section-kicker { margin-bottom: 11px; }
.section h2 { font-size: clamp(1.9rem, 3.7vw, 3.2rem); letter-spacing: -0.055em; }
.section-intro { color: var(--muted); font-size: 0.92rem; line-height: 1.65; max-width: 520px; justify-self: end; }
.section-intro code { font-size: 0.78em; }

.phase-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.phase-card {
  position: relative; padding: 20px 20px 18px; border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(150deg, var(--panel), transparent 90%);
  transition: border-color 180ms ease, transform 180ms ease, background 180ms ease;
}
.phase-card:hover { border-color: var(--line-strong); transform: translateY(-2px); background: linear-gradient(150deg, var(--panel-2), transparent 90%); }
.phase-number { font-family: var(--mono); font-size: 0.65rem; color: var(--accent); letter-spacing: 0.1em; }
.phase-card h3 { font-size: 1.16rem; margin: 12px 0 8px; }
.phase-question { color: var(--text-soft); font-size: 0.79rem; line-height: 1.5; min-height: 48px; }
.phase-card .phase-body { margin-top: 12px; color: var(--muted); font-size: 0.76rem; line-height: 1.55; }
.phase-skills { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 15px; }
.phase-skills span { font-family: var(--mono); font-size: 0.58rem; color: var(--faint); border: 1px solid var(--line); padding: 2px 6px; border-radius: 5px; }

.principle-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.principle-card { padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.principle-card:first-child { grid-column: 1 / -1; background: linear-gradient(120deg, var(--panel-2), var(--panel)); }
.principle-index { font-family: var(--mono); font-size: 0.62rem; color: var(--faint); }
.principle-card h3 { font-size: 1.08rem; margin: 8px 0 8px; }
.principle-card > p { color: var(--muted); font-size: 0.8rem; line-height: 1.6; }
.principle-card ul { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 14px; list-style: none; }
.principle-card li { position: relative; padding-left: 12px; color: var(--text-soft); font-size: 0.73rem; line-height: 1.5; }
.principle-card li::before { content: ""; position: absolute; left: 0; top: 0.55em; width: 4px; height: 4px; border-radius: 50%; background: var(--accent); }

.skill-toolbar, .tool-toolbar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.search-field {
  display: flex; align-items: center; gap: 8px; height: 42px; padding: 0 12px; min-width: min(320px, 100%);
  border: 1px solid var(--line); border-radius: 10px; background: var(--panel); color: var(--faint);
}
.search-field:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }
.search-field input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--text); font-size: 0.8rem; }
.search-field input::placeholder { color: var(--faint); }
.filter-chips { display: flex; gap: 5px; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--line); background: transparent; color: var(--muted);
  padding: 6px 10px; border-radius: 999px; font-size: 0.68rem; font-weight: 600; cursor: pointer;
}
.chip:hover { color: var(--text); border-color: var(--line-strong); }
.chip.active { background: var(--accent-dim); border-color: rgba(94, 234, 212, 0.4); color: var(--accent); }
.result-count { margin-left: auto; font-family: var(--mono); font-size: 0.65rem; color: var(--faint); }

.skill-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.skill-card {
  position: relative; display: flex; flex-direction: column; gap: 12px;
  padding: 19px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--panel); cursor: pointer; text-align: left;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}
.skill-card:hover, .skill-card:focus-visible { transform: translateY(-3px); border-color: var(--line-strong); background: var(--panel-2); outline: none; }
.skill-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.skill-phase { font-family: var(--mono); font-size: 0.58rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--faint); }
.skill-card h3 { font-size: 1.04rem; letter-spacing: -0.025em; }
.skill-card p { color: var(--muted); font-size: 0.76rem; line-height: 1.55; }
.skill-activate { color: var(--text-soft) !important; border-left: 1px solid var(--accent); padding-left: 10px; }
.skill-foot { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 4px; }
.skill-tags { display: flex; gap: 4px; flex-wrap: wrap; }
.skill-tags span { font-family: var(--mono); font-size: 0.56rem; color: var(--faint); }
.skill-open { font-size: 0.68rem; color: var(--accent); font-weight: 650; }
.risk-dot { width: 6px; height: 6px; border-radius: 50%; display: inline-block; margin-right: 5px; }
.risk-low { background: var(--green); } .risk-medium { background: var(--amber); } .risk-high { background: var(--rose); }

.path-layout { display: grid; grid-template-columns: 270px minmax(0, 1fr); gap: 22px; align-items: start; }
.path-menu { display: flex; flex-direction: column; gap: 3px; }
.path-button {
  display: flex; align-items: center; gap: 10px; width: 100%; text-align: left;
  padding: 11px 12px; border: 1px solid transparent; border-radius: 9px;
  background: transparent; color: var(--muted); cursor: pointer; font-size: 0.8rem; font-weight: 550;
}
.path-button span { font-family: var(--mono); font-size: 0.6rem; color: var(--faint); }
.path-button:hover { color: var(--text); background: var(--panel); }
.path-button.active { color: var(--text); background: var(--panel-2); border-color: var(--line); }
.path-button.active span { color: var(--accent); }
.path-detail { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); padding: clamp(20px, 3vw, 30px); }
.path-detail h3 { font-size: clamp(1.4rem, 2.4vw, 2rem); }
.path-summary { color: var(--muted); font-size: 0.85rem; line-height: 1.6; margin-top: 8px; max-width: 680px; }
.path-when { margin-top: 14px; font-family: var(--mono); font-size: 0.66rem; color: var(--faint); }
.path-steps { margin-top: 24px; display: flex; flex-direction: column; }
.path-step { position: relative; display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 14px; padding-bottom: 24px; }
.path-step:not(:last-child)::before { content: ""; position: absolute; left: 16px; top: 30px; bottom: 0; width: 1px; background: var(--line); }
.step-index { position: relative; z-index: 1; display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; border: 1px solid var(--line-strong); background: var(--panel); font-family: var(--mono); font-size: 0.65rem; color: var(--accent); }
.path-step h4 { font-size: 0.96rem; margin: 4px 0 5px; }
.path-step p { color: var(--muted); font-size: 0.79rem; line-height: 1.55; }
.step-done { margin-top: 7px; color: var(--text-soft); font-size: 0.71rem; }
.step-done::before { content: "Done: "; color: var(--accent); font-family: var(--mono); font-size: 0.6rem; text-transform: uppercase; letter-spacing: 0.08em; }
.step-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.command-pill {
  display: inline-flex; align-items: center; gap: 7px; max-width: 100%;
  border: 1px solid var(--line); background: var(--bg-elevated); border-radius: 6px;
  padding: 4px 6px 4px 9px; font-family: var(--mono); font-size: 0.64rem; color: var(--text-soft);
}
.command-pill code { background: none; padding: 0; color: inherit; font-size: inherit; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.command-pill button { border: 0; background: transparent; color: var(--faint); cursor: pointer; padding: 2px; font-size: 0.7rem; }
.command-pill button:hover { color: var(--accent); }
.skill-link { font-family: var(--mono); font-size: 0.6rem; color: var(--accent); border: 1px solid rgba(94, 234, 212, 0.25); border-radius: 5px; padding: 3px 6px; background: var(--accent-dim); cursor: pointer; }

.tool-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.tool-card { padding: 18px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--panel); }
.tool-card:hover { border-color: var(--line-strong); }
.tool-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.tool-card h3 { font-size: 0.96rem; }
.tool-cat { font-family: var(--mono); font-size: 0.56rem; color: var(--faint); text-transform: uppercase; letter-spacing: 0.08em; }
.tool-summary { color: var(--text-soft); font-size: 0.77rem; line-height: 1.5; margin-top: 8px; }
.tool-why { color: var(--muted); font-size: 0.72rem; line-height: 1.5; margin-top: 7px; }
.tool-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 12px; }
.tool-command { font-family: var(--mono); font-size: 0.6rem; color: var(--faint); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 100%; }
.tool-link { margin-left: auto; font-size: 0.64rem; color: var(--muted); }
.status-chip { font-family: var(--mono); font-size: 0.58rem; text-transform: uppercase; letter-spacing: 0.07em; padding: 3px 7px; border-radius: 4px; white-space: nowrap; }
.status-chip.adopted, .status-chip.ok { background: var(--green-dim); color: var(--green); }
.status-chip.conditional { background: var(--amber-dim); color: var(--amber); }
.status-chip.candidate { background: rgba(125, 211, 252, 0.09); color: var(--blue); }
.status-chip.review { background: var(--amber-dim); color: var(--amber); }
.status-chip.blocked, .status-chip.fail { background: var(--rose-dim); color: var(--rose); }
.status-chip.skipped, .status-chip.error { background: rgba(148, 163, 184, 0.1); color: var(--muted); }
.status-chip.template { background: rgba(148, 163, 184, 0.1); color: var(--muted); }

.verify-layout { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: 18px; align-items: start; }
.evidence-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); overflow: hidden; }
.evidence-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; border-bottom: 1px solid var(--line); font-size: 0.75rem; }
.evidence-head > div { display: flex; align-items: center; gap: 8px; }
.evidence-head code { font-size: 0.58rem; color: var(--faint); background: var(--panel-2); }
.status-dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; }
.status-dot.green { background: var(--green); box-shadow: 0 0 0 4px var(--green-dim); }
.evidence-code { margin: 0; padding: 18px; overflow-x: auto; font-size: 0.69rem; line-height: 1.75; color: var(--text-soft); background: #080d15; }
[data-theme="light"] .evidence-code { background: #0b1524; color: #d8e2ef; }
.evidence-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 16px; border-top: 1px solid var(--line); font-size: 0.63rem; color: var(--faint); }
.status-stack { display: flex; flex-direction: column; gap: 7px; }
.status-row { display: flex; gap: 12px; align-items: flex-start; padding: 11px 13px; border: 1px solid var(--line); border-radius: 9px; background: var(--panel); }
.status-row div { min-width: 0; }
.status-row strong { display: block; font-size: 0.76rem; }
.status-row p { color: var(--muted); font-size: 0.7rem; line-height: 1.45; margin-top: 2px; }
.evidence-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }

.repo-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.repo-card { padding: 19px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.repo-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.repo-head h3 { font-size: 1.1rem; }
.repo-role { color: var(--muted); font-size: 0.72rem; margin-top: 4px; }
.repo-body { margin-top: 12px; color: var(--text-soft); font-size: 0.76rem; line-height: 1.55; }
.repo-meta { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 13px; }
.repo-meta span { font-family: var(--mono); font-size: 0.6rem; color: var(--faint); border: 1px solid var(--line); border-radius: 4px; padding: 2px 6px; }
.repo-note { margin-top: 12px; padding-top: 11px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.7rem; line-height: 1.5; }

.machine-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.machine-card {
  display: flex; align-items: flex-start; gap: 14px; padding: 18px;
  border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--panel);
  color: var(--text); text-decoration: none;
}
.machine-card:hover { text-decoration: none; border-color: var(--accent); background: var(--panel-2); }
.machine-icon { display: grid; place-items: center; width: 36px; height: 36px; flex: 0 0 auto; border-radius: 8px; background: var(--accent-dim); color: var(--accent); font-family: var(--mono); font-size: 0.8rem; }
.machine-card h3 { font-size: 0.9rem; }
.machine-card p { color: var(--muted); font-size: 0.72rem; line-height: 1.5; margin-top: 4px; }
.machine-arrow { margin-left: auto; color: var(--faint); }
.handoff { margin-top: 18px; border: 1px solid var(--line); border-radius: var(--radius); background: #080d15; overflow: hidden; }
.handoff-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 14px; border-bottom: 1px solid rgba(148, 163, 184, 0.15); }
.handoff-head .terminal-title { margin: 0; }
.copy-button { border: 1px solid rgba(148, 163, 184, 0.2); background: transparent; color: #8a9bb0; border-radius: 6px; padding: 4px 8px; font-size: 0.63rem; cursor: pointer; }
.copy-button:hover { color: #5eead4; border-color: #5eead4; }
.handoff pre { margin: 0; padding: 16px; overflow-x: auto; font-size: 0.72rem; line-height: 1.75; color: #d8e2ef; }
.limits { margin-top: 26px; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.limits h3 { font-size: 0.9rem; margin-bottom: 10px; }
.limits ul { list-style: none; display: grid; gap: 7px; }
.limits li { position: relative; padding-left: 17px; color: var(--muted); font-size: 0.74rem; line-height: 1.5; }
.limits li::before { content: "!"; position: absolute; left: 0; top: 0; color: var(--amber); font-family: var(--mono); font-size: 0.65rem; }

.footer { display: flex; justify-content: space-between; gap: 30px; align-items: flex-start; padding: 38px 0 50px; border-top: 1px solid var(--line); color: var(--faint); font-size: 0.7rem; }
.footer .brand-text { font-size: 0.8rem; color: var(--text); }
.footer p { max-width: 390px; margin-top: 8px; line-height: 1.55; }
.footer-meta { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; font-family: var(--mono); font-size: 0.62rem; }
.footer-meta a { color: var(--muted); }

.drawer-backdrop { position: fixed; inset: 0; z-index: 100; background: rgba(2, 6, 12, 0.66); backdrop-filter: blur(4px); }
.drawer {
  position: fixed; z-index: 110; top: 0; right: 0; bottom: 0; width: min(660px, 94vw);
  background: var(--bg-elevated); border-left: 1px solid var(--line-strong);
  box-shadow: -30px 0 90px rgba(0, 0, 0, 0.45);
  display: flex; flex-direction: column; transform: translateX(0); animation: drawer-in 220ms ease;
}
@keyframes drawer-in { from { transform: translateX(30px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
.drawer-head { display: flex; justify-content: space-between; gap: 18px; align-items: flex-start; padding: 26px 28px 16px; border-bottom: 1px solid var(--line); }
.drawer-kicker { margin-bottom: 7px; }
.drawer-head h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
.drawer-meta { display: flex; flex-wrap: wrap; gap: 6px; padding: 13px 28px; border-bottom: 1px solid var(--line); }
.drawer-body { padding: 22px 28px 30px; overflow-y: auto; font-size: 0.82rem; line-height: 1.65; }
.drawer-body h2 { font-size: 1.02rem; margin: 24px 0 8px; letter-spacing: -0.02em; }
.drawer-body h2:first-child { margin-top: 0; }
.drawer-body p { color: var(--text-soft); margin: 8px 0; }
.drawer-body ul, .drawer-body ol { margin: 8px 0; padding-left: 20px; color: var(--text-soft); }
.drawer-body li { margin: 4px 0; }
.drawer-body code { font-size: 0.78em; }
.drawer-body pre { background: #080d15; border: 1px solid var(--line); border-radius: 8px; padding: 13px; overflow-x: auto; font-size: 0.7rem; line-height: 1.6; }
.drawer-body blockquote { margin: 10px 0; padding-left: 12px; border-left: 2px solid var(--accent); color: var(--muted); }
.drawer-foot { display: flex; align-items: center; gap: 12px; padding: 14px 28px; border-top: 1px solid var(--line); margin-top: auto; }
.drawer-foot .muted { font-size: 0.62rem; font-family: var(--mono); color: var(--faint); overflow: hidden; text-overflow: ellipsis; }

.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); z-index: 200; background: var(--text); color: var(--bg); padding: 9px 14px; border-radius: 7px; font-size: 0.75rem; font-weight: 600; box-shadow: var(--shadow); }
.noscript { position: fixed; inset: auto 20px 20px 20px; z-index: 200; background: var(--panel); border: 1px solid var(--amber); padding: 14px; border-radius: 8px; color: var(--text); }
.empty-state { padding: 40px; text-align: center; color: var(--muted); border: 1px dashed var(--line-strong); border-radius: var(--radius); }

@media (max-width: 1100px) {
  .shell { grid-template-columns: 190px minmax(0, 1fr); gap: 32px; }
  .skill-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero { grid-template-columns: 1fr; }
  .terminal-wrap { max-width: 620px; }
  .section-head { grid-template-columns: 1fr; gap: 14px; }
  .section-intro { justify-self: start; }
}
@media (max-width: 860px) {
  .topnav { display: none; }
  .menu-button { display: grid; }
  .shell { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed; inset: 72px 0 auto 0; z-index: 70; background: var(--bg-elevated);
    border-bottom: 1px solid var(--line); padding: 14px clamp(18px, 4vw, 54px) 18px;
    display: none; box-shadow: var(--shadow);
  }
  .sidebar.open { display: block; }
  .sidebar-inner { position: static; padding: 0; }
  .side-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sidebar-card, .sidebar-meta { display: none; }
  .hero { padding-top: 46px; }
  .phase-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .path-layout { grid-template-columns: 1fr; }
  .path-menu { flex-direction: row; overflow-x: auto; padding-bottom: 4px; }
  .path-button { white-space: nowrap; width: auto; }
  .verify-layout, .repo-grid, .machine-grid { grid-template-columns: 1fr; }
  .tool-grid { grid-template-columns: 1fr; }
  .footer { flex-direction: column; }
}
@media (max-width: 560px) {
  .topbar { gap: 10px; }
  .search-trigger .search-label, .search-trigger kbd { display: none; }
  .search-trigger { width: 36px; padding: 0; justify-content: center; }
  .brand-text em { display: none; }
  .hero h1 { font-size: clamp(2.25rem, 12vw, 3.4rem); }
  .hero-actions .button { width: 100%; }
  .hero-stats { gap: 18px; }
  .phase-grid, .principle-grid, .skill-grid { grid-template-columns: 1fr; }
  .principle-card:first-child { grid-column: auto; }
  .skill-toolbar .result-count, .tool-toolbar .result-count { margin-left: 0; }
  .drawer-head, .drawer-body, .drawer-foot, .drawer-meta { padding-left: 18px; padding-right: 18px; }
  .drawer-foot { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}
@media print {
  .topbar, .sidebar, .terminal-wrap, .drawer, .drawer-backdrop, .toast, .button, .search-trigger, .icon-button { display: none !important; }
  .shell { display: block; max-width: none; }
  body { background: white; color: black; }
  .section { break-inside: avoid; }
}

/* Rendered documentation pages */
.doc-page { background: var(--bg); }
.doc { max-width: 900px; margin: 0 auto; padding: 44px 24px 90px; }
.doc-nav { margin-bottom: 28px; font-size: 0.78rem; }
.doc h1 { font-size: clamp(2rem, 5vw, 3.2rem); margin-bottom: 22px; letter-spacing: -0.055em; }
.doc h2 { font-size: 1.35rem; margin: 34px 0 10px; letter-spacing: -0.025em; }
.doc h3 { font-size: 1.02rem; margin: 24px 0 8px; }
.doc p, .doc li { color: var(--text-soft); font-size: 0.88rem; line-height: 1.7; }
.doc p { margin: 9px 0; }
.doc ul, .doc ol { margin: 9px 0; padding-left: 22px; }
.doc li { margin: 4px 0; }
.doc code { font-size: 0.8em; }
.doc pre { background: #080d15; border: 1px solid var(--line); border-radius: 9px; padding: 14px; overflow-x: auto; }
.doc pre code { color: #d8e2ef; background: none; padding: 0; }
.doc table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 0.8rem; }
.doc th, .doc td { border-bottom: 1px solid var(--line); padding: 7px 9px; text-align: left; vertical-align: top; }
.doc th { color: var(--text); font-weight: 650; }
.doc blockquote { border-left: 2px solid var(--accent); margin: 14px 0; padding-left: 14px; color: var(--muted); }