:root {
  --bg: #070b14;
  --bg-2: #0b1120;
  --surface: rgba(17, 25, 43, 0.72);
  --surface-solid: #111a2c;
  --surface-2: rgba(26, 37, 61, 0.7);
  --border: rgba(120, 160, 220, 0.14);
  --border-strong: rgba(120, 180, 255, 0.32);
  --text: #e6edf7;
  --text-2: #a3b1c6;
  --text-3: #6f7f98;
  --accent: #22d3ee;
  --accent-2: #a78bfa;
  --accent-3: #34d399;
  --warn: #fbbf24;
  --danger: #f472b6;
  --glow: 0 0 0 1px var(--border-strong), 0 10px 40px -10px rgba(34, 211, 238, 0.35);
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.6);
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --grid: rgba(120, 160, 220, 0.05);
  --max: 1240px;
  color-scheme: dark;
}
[data-theme='light'] {
  --bg: #f4f7fb;
  --bg-2: #eaf0f8;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-solid: #ffffff;
  --surface-2: rgba(236, 242, 250, 0.9);
  --border: rgba(30, 60, 110, 0.12);
  --border-strong: rgba(8, 145, 178, 0.4);
  --text: #0d1726;
  --text-2: #42526b;
  --text-3: #6b7a90;
  --accent: #0891b2;
  --accent-2: #7c3aed;
  --accent-3: #059669;
  --warn: #b45309;
  --danger: #db2777;
  --glow: 0 0 0 1px var(--border-strong), 0 10px 30px -12px rgba(8, 145, 178, 0.35);
  --shadow: 0 16px 40px -22px rgba(20, 40, 80, 0.35);
  --grid: rgba(30, 60, 110, 0.05);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--sans); color: var(--text); background: var(--bg);
  line-height: 1.55; min-height: 100vh; overflow-x: hidden;
  background-image:
    radial-gradient(1200px 600px at 85% -10%, color-mix(in srgb, var(--accent-2) 16%, transparent), transparent 60%),
    radial-gradient(900px 500px at -10% 10%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 60%),
    linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: auto, auto, 44px 44px, 44px 44px;
  background-attachment: fixed;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { display: block; }
button { font: inherit; color: inherit; cursor: pointer; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
kbd { font-family: var(--mono); font-size: 11px; padding: 2px 6px; border: 1px solid var(--border); border-bottom-width: 2px; border-radius: 6px; color: var(--text-2); background: var(--surface-2); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--accent); color: #000; padding: 8px 12px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
#bg { position: fixed; inset: 0; width: 100%; height: 100%; z-index: -1; pointer-events: none; opacity: 0.9; }
main { outline: none; min-height: 70vh; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ---------- top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 40; display: flex; align-items: center; gap: 24px;
  padding: 12px max(24px, calc((100vw - var(--max)) / 2 + 24px));
  background: color-mix(in srgb, var(--bg) 70%, transparent); backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid transparent; transition: border-color .2s;
}
.topbar.scrolled { border-bottom-color: var(--border); }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 18px; letter-spacing: -0.02em; }
.brand:hover { text-decoration: none; }
.brand b { background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; margin-left: 2px; }
.brand.small { font-size: 16px; margin-bottom: 8px; }
.nav { display: flex; gap: 4px; margin-right: auto; }
.nav a { color: var(--text-2); padding: 8px 12px; border-radius: 10px; font-weight: 500; font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }
.nav a:hover { color: var(--text); background: var(--surface-2); text-decoration: none; }
.nav a.active { color: var(--text); background: var(--surface-2); box-shadow: inset 0 0 0 1px var(--border); }
.pill { font-size: 11px; font-weight: 700; min-width: 18px; padding: 0 6px; border-radius: 999px; background: color-mix(in srgb, var(--accent) 22%, transparent); color: var(--accent); text-align: center; }
.top-actions { display: flex; align-items: center; gap: 8px; }
.search-trigger { display: flex; align-items: center; gap: 10px; padding: 8px 10px 8px 12px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface); color: var(--text-3); min-width: 230px; font-size: 14px; }
.search-trigger:hover { border-color: var(--border-strong); color: var(--text-2); }
.search-trigger span { margin-right: auto; }
.icon-btn { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface); color: var(--text-2); }
.icon-btn:hover { color: var(--text); border-color: var(--border-strong); }
[data-theme='dark'] .sun, [data-theme='light'] .moon { display: none; }
.menu-btn { display: none; }

/* ---------- hero ---------- */
.hero { position: relative; padding: 72px 0 40px; overflow-x: clip; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); padding: 6px 12px; border-radius: 999px; border: 1px solid var(--border-strong); background: color-mix(in srgb, var(--accent) 8%, transparent); }
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent-3); box-shadow: 0 0 10px var(--accent-3); animation: pulse 2s infinite; }
@keyframes pulse { 50% { opacity: .35; } }
.hero h1 { font-size: clamp(38px, 5.6vw, 68px); line-height: 1.03; letter-spacing: -0.04em; margin: 20px 0 18px; font-weight: 800; }
.grad { background: linear-gradient(100deg, var(--accent) 10%, var(--accent-2) 60%, var(--danger)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 18px; color: var(--text-2); max-width: 580px; margin: 0 0 28px; }
.hero-search { position: relative; max-width: 580px; }
.hero-search input { width: 100%; font: inherit; font-size: 16px; padding: 18px 120px 18px 52px; border-radius: 16px; border: 1px solid var(--border-strong); background: var(--surface); color: var(--text); box-shadow: var(--shadow); backdrop-filter: blur(10px); }
.hero-search input::placeholder { color: var(--text-3); }
.hero-search input:focus { outline: none; box-shadow: var(--glow); }
.hero-search > svg { position: absolute; z-index: 1; left: 18px; top: 50%; transform: translateY(-50%); color: var(--accent); }
.hero-search button { position: absolute; right: 8px; top: 8px; bottom: 8px; padding: 0 18px; border: 0; border-radius: 11px; font-weight: 600; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #04111a; }
.quick-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; align-items: center; }
.quick-tags span { color: var(--text-3); font-size: 13px; margin-right: 4px; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); color: var(--text-2); font-size: 13px; font-weight: 500; transition: .15s; }
.chip:hover { border-color: var(--border-strong); color: var(--text); text-decoration: none; transform: translateY(-1px); }
.chip.on { background: color-mix(in srgb, var(--accent) 16%, transparent); border-color: var(--accent); color: var(--text); }
.chip .n { font-family: var(--mono); font-size: 11px; color: var(--text-3); }

/* evidence scanner visual */
.scanner { position: relative; aspect-ratio: 1; max-width: 460px; margin-left: auto; width: 100%; }
.scanner .ring { position: absolute; inset: 0; border-radius: 50%; border: 1px solid var(--border-strong); }
.scanner .ring.r2 { inset: 12%; border-style: dashed; animation: spin 40s linear infinite; }
.scanner .ring.r3 { inset: 26%; border-color: var(--border); }
.scanner .sweep { position: absolute; inset: 0; border-radius: 50%; background: conic-gradient(from 0deg, transparent 0 300deg, color-mix(in srgb, var(--accent) 40%, transparent) 360deg); animation: spin 5s linear infinite; mask: radial-gradient(circle, transparent 0 0, #000 1px); }
@keyframes spin { to { transform: rotate(360deg); } }
.scanner .core { position: absolute; inset: 36%; border-radius: 50%; display: grid; place-items: center; text-align: center; background: radial-gradient(circle, color-mix(in srgb, var(--accent) 22%, var(--surface-solid)), var(--surface-solid)); border: 1px solid var(--border-strong); box-shadow: 0 0 60px -10px var(--accent); }
.scanner .core b { display: block; font-size: 34px; letter-spacing: -0.03em; }
.scanner .core small { font-family: var(--mono); color: var(--text-3); font-size: 11px; text-transform: uppercase; letter-spacing: .1em; }
.blip { position: absolute; transform: translate(-50%, -50%); display: flex; align-items: center; gap: 6px; padding: 6px 10px; border-radius: 10px; font-size: 12px; font-weight: 600; white-space: nowrap; background: var(--surface); border: 1px solid var(--border); backdrop-filter: blur(8px); box-shadow: var(--shadow); color: var(--text); transition: .2s; }
.blip:hover { border-color: var(--accent); text-decoration: none; transform: translate(-50%, -50%) scale(1.06); }
.blip svg { color: var(--accent); }
.blip i { width: 6px; height: 6px; border-radius: 50%; background: var(--accent-3); box-shadow: 0 0 8px var(--accent-3); }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 56px; }
.stat { padding: 20px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); backdrop-filter: blur(10px); position: relative; overflow: hidden; }
.stat::after { content: ''; position: absolute; inset: auto -20% -60% auto; width: 140px; height: 140px; border-radius: 50%; background: radial-gradient(circle, color-mix(in srgb, var(--c, var(--accent)) 30%, transparent), transparent 70%); }
.stat b { font-size: 34px; font-weight: 800; letter-spacing: -0.03em; display: block; font-variant-numeric: tabular-nums; }
.stat span { color: var(--text-2); font-size: 14px; }

/* ---------- sections ---------- */
.section { padding: 64px 0; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 28px; flex-wrap: wrap; }
.section-head h2 { font-size: clamp(26px, 3.2vw, 38px); letter-spacing: -0.03em; margin: 8px 0 6px; line-height: 1.1; }
.section-head p { color: var(--text-2); margin: 0; max-width: 640px; }
.kicker { font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: 0.1em; text-transform: uppercase; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface); color: var(--text); font-weight: 600; font-size: 14px; }
.btn:hover { border-color: var(--border-strong); text-decoration: none; }
.btn.primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #04111a; border: 0; }

/* audience switch */
.audience { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.aud-card { position: relative; padding: 28px; border-radius: 20px; border: 1px solid var(--border); background: var(--surface); overflow: hidden; display: flex; flex-direction: column; gap: 14px; }
.aud-card::before { content: ''; position: absolute; inset: 0; background: radial-gradient(500px 220px at 100% 0%, color-mix(in srgb, var(--c) 22%, transparent), transparent 70%); pointer-events: none; }
.aud-card h3 { font-size: 24px; margin: 0; letter-spacing: -0.02em; }
.aud-card p { margin: 0; color: var(--text-2); }
.aud-card ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.aud-card li { display: flex; gap: 10px; align-items: start; color: var(--text-2); font-size: 15px; }
.aud-card li svg { flex: none; color: var(--c); margin-top: 3px; }
.aud-card .badge-ico { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; background: color-mix(in srgb, var(--c) 16%, transparent); color: var(--c); border: 1px solid color-mix(in srgb, var(--c) 40%, transparent); }
.aud-card .btn { margin-top: auto; align-self: start; }

/* lifecycle */
.lifecycle { position: relative; display: grid; grid-template-columns: repeat(7, 1fr); gap: 12px; }
.lifecycle::before { content: ''; position: absolute; left: 6%; right: 6%; top: 34px; height: 2px; background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--danger)); opacity: .5; }
.phase { position: relative; text-align: center; padding: 0 4px; background: none; border: 0; color: inherit; }
.phase .node { width: 68px; height: 68px; margin: 0 auto 12px; border-radius: 20px; display: grid; place-items: center; background: var(--surface-solid); border: 1px solid var(--border-strong); color: var(--accent); transition: .2s; position: relative; }
.phase:hover .node, .phase.on .node { transform: translateY(-4px); box-shadow: var(--glow); background: color-mix(in srgb, var(--accent) 14%, var(--surface-solid)); }
.phase .num { position: absolute; top: -8px; right: -8px; font-family: var(--mono); font-size: 10px; background: var(--bg); border: 1px solid var(--border); border-radius: 999px; padding: 1px 6px; color: var(--text-3); }
.phase b { display: block; font-size: 15px; }
.phase small { display: block; color: var(--text-3); font-size: 12.5px; line-height: 1.4; margin-top: 4px; }
.phase-detail { margin-top: 28px; padding: 22px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); display: grid; grid-template-columns: 260px 1fr; gap: 24px; align-items: start; }
.phase-detail h4 { margin: 0 0 6px; font-size: 20px; }
.phase-detail p { margin: 0; color: var(--text-2); font-size: 14.5px; }
.phase-detail .chips { display: flex; flex-wrap: wrap; gap: 8px; }

/* category cards */
.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 16px; }
.cat-card { position: relative; display: flex; flex-direction: column; gap: 10px; padding: 20px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); color: var(--text); overflow: hidden; transition: transform .2s, border-color .2s, box-shadow .2s; isolation: isolate; }
.cat-card::before { content: ''; position: absolute; inset: 0; z-index: -1; opacity: 0; transition: opacity .3s; background: radial-gradient(400px 160px at var(--mx, 50%) var(--my, 0%), color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%); }
.cat-card:hover { transform: translateY(-3px); border-color: var(--border-strong); box-shadow: var(--shadow); text-decoration: none; }
.cat-card:hover::before { opacity: 1; }
.cat-top { display: flex; align-items: center; justify-content: space-between; }
.cat-ico { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent); }
.cat-card[data-group='Learn'] .cat-ico, .cat-card[data-group='Resources'] .cat-ico { color: var(--accent-3); background: color-mix(in srgb, var(--accent-3) 12%, transparent); border-color: color-mix(in srgb, var(--accent-3) 30%, transparent); }
.cat-card[data-group='Develop'] .cat-ico { color: var(--accent-2); background: color-mix(in srgb, var(--accent-2) 12%, transparent); border-color: color-mix(in srgb, var(--accent-2) 30%, transparent); }
.count { font-family: var(--mono); font-size: 22px; font-weight: 600; color: var(--text-2); }
.cat-card h3 { margin: 4px 0 0; font-size: 17px; letter-spacing: -0.01em; }
.cat-card p { margin: 0; color: var(--text-2); font-size: 14px; line-height: 1.5; flex: 1; }
.meta-row { display: flex; gap: 6px; flex-wrap: wrap; }
.tag { font-size: 11.5px; font-weight: 600; padding: 3px 8px; border-radius: 6px; background: var(--surface-2); color: var(--text-2); border: 1px solid var(--border); white-space: nowrap; }
.tag.lv-Beginner { color: var(--accent-3); }
.tag.lv-Intermediate { color: var(--warn); }
.tag.lv-Advanced { color: var(--danger); }
.bar { height: 4px; border-radius: 4px; background: var(--surface-2); overflow: hidden; }
.bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); border-radius: 4px; }

/* ---------- explore ---------- */
.explore > * { min-width: 0; }
.explore { display: grid; grid-template-columns: 280px 1fr; gap: 28px; padding: 36px 0 64px; align-items: start; }
.sidebar { position: sticky; top: 80px; max-height: calc(100vh - 100px); overflow: auto; padding: 18px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); scrollbar-width: thin; }
.sidebar h5 { margin: 18px 0 8px; font-size: 11px; font-family: var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--text-3); }
.sidebar h5:first-child { margin-top: 0; }
.side-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.side-list button { width: 100%; display: flex; align-items: center; gap: 10px; padding: 7px 10px; border-radius: 9px; border: 0; background: none; color: var(--text-2); font-size: 14px; text-align: left; }
.side-list button:hover { background: var(--surface-2); color: var(--text); }
.side-list button.on { background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--text); box-shadow: inset 2px 0 0 var(--accent); }
.side-list button.sub { padding-left: 30px; font-size: 13.5px; }
.side-list button svg { color: var(--text-3); flex: none; }
.side-list button.on svg { color: var(--accent); }
.side-list .n { margin-left: auto; font-family: var(--mono); font-size: 11px; color: var(--text-3); }
.filter-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.filter-chips .chip { padding: 5px 10px; font-size: 12.5px; }
.results-head { display: flex; flex-direction: column; gap: 14px; margin-bottom: 20px; }
.cat-banner { display: flex; gap: 18px; align-items: center; padding: 22px; border-radius: var(--radius); border: 1px solid var(--border); background: linear-gradient(120deg, color-mix(in srgb, var(--accent) 10%, var(--surface)), var(--surface) 60%); }
.cat-banner .cat-ico { width: 56px; height: 56px; border-radius: 16px; flex: none; }
.cat-banner h1 { margin: 0; font-size: 28px; letter-spacing: -0.02em; }
.cat-banner p { margin: 4px 0 0; color: var(--text-2); }
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.filter-input { position: relative; flex: 1; min-width: 200px; }
.filter-input input { width: 100%; font: inherit; font-size: 14.5px; padding: 11px 14px 11px 40px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface); color: var(--text); }
.filter-input input:focus { outline: none; box-shadow: var(--glow); }
.filter-input svg { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); color: var(--text-3); }
select.sel { font: inherit; font-size: 14px; padding: 10px 12px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface-solid); color: var(--text); }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; background: var(--surface); }
.seg button { border: 0; background: none; padding: 9px 11px; color: var(--text-3); }
.seg button.on { color: var(--accent); background: var(--surface-2); }
.result-count { color: var(--text-3); font-size: 13.5px; font-family: var(--mono); }
.tool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; }
.tool-grid.list { grid-template-columns: minmax(0, 1fr); gap: 8px; }
.tool-grid > *, .mini-list > *, .kit ol li > * { min-width: 0; }
.tool { position: relative; display: flex; flex-direction: column; gap: 10px; padding: 18px; border-radius: 14px; background: var(--surface); border: 1px solid var(--border); transition: .18s; cursor: pointer; text-align: left; color: inherit; animation: rise .35s both; }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } }
.tool:hover { border-color: var(--border-strong); transform: translateY(-2px); box-shadow: var(--shadow); }
.tool-head { display: flex; align-items: center; gap: 12px; }
.avatar { width: 40px; height: 40px; border-radius: 11px; flex: none; display: grid; place-items: center; font-weight: 800; font-size: 15px; color: #fff; background: linear-gradient(135deg, hsl(var(--h) 75% 52%), hsl(calc(var(--h) + 50) 70% 45%)); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .15); overflow: hidden; position: relative; }
.avatar img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; background: var(--surface-solid); }
.tool h3 { margin: 0; font-size: 16px; letter-spacing: -0.01em; line-height: 1.3; }
.tool .host { font-family: var(--mono); font-size: 12px; color: var(--text-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tool p { margin: 0; color: var(--text-2); font-size: 14px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.tool-foot { display: flex; align-items: center; gap: 6px; margin-top: auto; flex-wrap: wrap; }
.save-btn { margin-left: auto; width: 32px; height: 32px; border-radius: 9px; border: 1px solid var(--border); background: none; color: var(--text-3); display: grid; place-items: center; }
.save-btn:hover { color: var(--warn); border-color: var(--warn); }
.save-btn.on { color: var(--warn); background: color-mix(in srgb, var(--warn) 14%, transparent); border-color: color-mix(in srgb, var(--warn) 50%, transparent); }
.save-btn.on svg path { fill: currentColor; }
.status { display: inline-flex; align-items: center; gap: 5px; font-size: 11.5px; font-weight: 600; padding: 3px 8px; border-radius: 6px; border: 1px solid; }
.status::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.st-recommended { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 45%, transparent); background: color-mix(in srgb, var(--warn) 10%, transparent); }
.st-active { color: var(--accent-3); border-color: color-mix(in srgb, var(--accent-3) 40%, transparent); background: color-mix(in srgb, var(--accent-3) 8%, transparent); }
.st-unmaintained { color: var(--text-3); border-color: var(--border); }
.st-archived { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, transparent); background: color-mix(in srgb, var(--danger) 8%, transparent); }
.tool.recommended { border-color: color-mix(in srgb, var(--warn) 35%, var(--border)); }
.tool.recommended::after { content: '★'; position: absolute; top: 14px; right: 16px; color: var(--warn); font-size: 14px; }
.tool-grid.list .tool { flex-direction: row; align-items: center; padding: 12px 16px; }
.tool-grid.list .tool p { -webkit-line-clamp: 1; flex: 1; }
.tool-grid.list .tool-head { width: 280px; flex: none; }
.tool-grid.list .tool-foot { margin: 0; flex: none; }
.tool-grid.list .tool.recommended::after { display: none; }
.subgroup-title { grid-column: 1 / -1; margin: 14px 0 2px; font-size: 13px; font-family: var(--mono); color: var(--accent-2); letter-spacing: .06em; text-transform: uppercase; display: flex; align-items: center; gap: 10px; }
.subgroup-title::after { content: ''; flex: 1; height: 1px; background: var(--border); }
.empty { text-align: center; padding: 60px 20px; border: 1px dashed var(--border); border-radius: var(--radius); color: var(--text-2); }
.empty svg { margin: 0 auto 14px; color: var(--text-3); }
mark { background: color-mix(in srgb, var(--accent) 30%, transparent); color: inherit; border-radius: 3px; padding: 0 1px; }

/* ---------- learn ---------- */
.roadmap { position: relative; display: grid; gap: 22px; padding-left: 40px; }
.roadmap::before { content: ''; position: absolute; left: 15px; top: 10px; bottom: 10px; width: 2px; background: linear-gradient(var(--accent-3), var(--accent), var(--accent-2)); opacity: .6; }
.step { position: relative; padding: 24px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); display: grid; grid-template-columns: 1fr 1.2fr; gap: 24px; }
.step::before { content: attr(data-n); position: absolute; left: -40px; top: 22px; width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; font-size: 14px; background: var(--bg); border: 2px solid var(--accent); color: var(--accent); box-shadow: 0 0 0 5px var(--bg); }
.step h3 { margin: 0 0 6px; font-size: 20px; }
.step p { margin: 0 0 12px; color: var(--text-2); font-size: 14.5px; }
.step .goals { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.step .goals li { font-size: 14px; color: var(--text-2); display: flex; gap: 8px; }
.step .goals li::before { content: '›'; color: var(--accent); font-weight: 800; }
.mini-list { display: grid; gap: 8px; }
.mini { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 11px; border: 1px solid var(--border); background: var(--surface-2); color: var(--text); text-align: left; width: 100%; }
.mini:hover { border-color: var(--border-strong); text-decoration: none; }
.mini .avatar { width: 32px; height: 32px; font-size: 13px; border-radius: 9px; }
.mini b { font-size: 14px; display: block; }
.mini small { color: var(--text-3); font-size: 12.5px; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.split { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.panel { padding: 22px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); }
.panel h3 { margin: 0 0 14px; font-size: 17px; display: flex; align-items: center; gap: 10px; }
.panel h3 svg { color: var(--accent); }
.glossary { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.term { padding: 16px; border-radius: 12px; background: var(--surface); border: 1px solid var(--border); }
.term b { font-family: var(--mono); color: var(--accent); font-size: 14px; }
.term p { margin: 6px 0 0; color: var(--text-2); font-size: 13.5px; }

/* ---------- toolkits ---------- */
.kits { display: grid; grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)); gap: 18px; }
.kit { padding: 24px; border-radius: 20px; background: var(--surface); border: 1px solid var(--border); display: flex; flex-direction: column; gap: 14px; position: relative; overflow: hidden; }
.kit::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--c1), var(--c2)); }
.kit-head { display: flex; align-items: center; gap: 14px; }
.kit-head .cat-ico { color: var(--c1); background: color-mix(in srgb, var(--c1) 14%, transparent); border-color: color-mix(in srgb, var(--c1) 35%, transparent); }
.kit h3 { margin: 0; font-size: 19px; }
.kit .scenario { color: var(--text-2); font-size: 14px; margin: 0; }
.kit ol { margin: 0; padding: 0; list-style: none; counter-reset: k; display: grid; gap: 8px; }
.kit ol li { counter-increment: k; display: grid; grid-template-columns: 28px 1fr; gap: 10px; align-items: center; }
.kit ol li::before { content: counter(k); width: 24px; height: 24px; border-radius: 7px; display: grid; place-items: center; font-family: var(--mono); font-size: 12px; background: var(--surface-2); color: var(--text-3); border: 1px solid var(--border); }
.kit .mini { padding: 8px 10px; }
.kit .mini em { font-style: normal; margin-left: auto; font-size: 11px; font-family: var(--mono); color: var(--text-3); white-space: nowrap; }

/* ---------- drawer ---------- */
.drawer { position: fixed; inset: 0; z-index: 60; }
.drawer-scrim { position: absolute; inset: 0; background: rgba(2, 6, 14, 0.6); backdrop-filter: blur(4px); animation: fade .2s; }
.drawer-panel { position: absolute; right: 0; top: 0; bottom: 0; width: min(520px, 100%); background: var(--surface-solid); border-left: 1px solid var(--border); padding: 28px; overflow: auto; animation: slide .28s cubic-bezier(.2, .8, .2, 1); display: flex; flex-direction: column; gap: 18px; }
@keyframes slide { from { transform: translateX(40px); opacity: 0; } }
@keyframes fade { from { opacity: 0; } }
.drawer-close { position: absolute; top: 16px; right: 16px; }
.drawer-panel .avatar { width: 64px; height: 64px; border-radius: 18px; font-size: 26px; }
.drawer-panel h2 { margin: 0; font-size: 26px; letter-spacing: -0.02em; }
.drawer-panel .desc { font-size: 16px; color: var(--text-2); margin: 0; }
.kv { display: grid; grid-template-columns: 120px 1fr; gap: 10px 14px; padding: 16px; border-radius: 14px; background: var(--surface-2); border: 1px solid var(--border); font-size: 14px; }
.kv dt { color: var(--text-3); }
.kv dd { margin: 0; overflow-wrap: anywhere; }
.badges { display: flex; gap: 8px; flex-wrap: wrap; }
.badges img { height: 20px; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; }
.related h4 { margin: 0 0 10px; font-size: 13px; font-family: var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--text-3); }

/* ---------- palette ---------- */
.palette { position: fixed; inset: 0; z-index: 70; background: rgba(2, 6, 14, 0.55); backdrop-filter: blur(6px); display: flex; justify-content: center; align-items: flex-start; padding: 10vh 16px 16px; animation: fade .15s; }
.palette[hidden], .drawer[hidden] { display: none; }
.palette-box { width: min(680px, 100%); background: var(--surface-solid); border: 1px solid var(--border-strong); border-radius: 18px; box-shadow: 0 30px 80px -20px rgba(0, 0, 0, .7), var(--glow); overflow: hidden; }
.palette-input { display: flex; align-items: center; gap: 12px; padding: 16px 18px; border-bottom: 1px solid var(--border); color: var(--accent); }
.palette-input input { flex: 1; font: inherit; font-size: 17px; border: 0; background: none; color: var(--text); outline: none; }
.palette-results { list-style: none; margin: 0; padding: 8px; max-height: 55vh; overflow: auto; }
.palette-results li { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 11px; cursor: pointer; }
.palette-results li[aria-selected='true'] { background: color-mix(in srgb, var(--accent) 14%, transparent); }
.palette-results .avatar { width: 32px; height: 32px; font-size: 13px; border-radius: 9px; }
.palette-results b { font-size: 14.5px; }
.palette-results small { display: block; color: var(--text-3); font-size: 12.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 460px; }
.palette-results .cat { margin-left: auto; font-size: 11px; font-family: var(--mono); color: var(--text-3); white-space: nowrap; }
.palette-results .pal-head { font-size: 11px; font-family: var(--mono); color: var(--text-3); text-transform: uppercase; letter-spacing: .1em; padding: 10px 12px 4px; cursor: default; }
.palette-foot { display: flex; gap: 16px; padding: 10px 16px; border-top: 1px solid var(--border); font-size: 12px; color: var(--text-3); }

/* ---------- misc ---------- */
.toast { position: fixed; bottom: 24px; left: 50%; transform: translate(-50%, 20px); opacity: 0; transition: .25s; z-index: 80; padding: 10px 16px; border-radius: 12px; background: var(--surface-solid); border: 1px solid var(--border-strong); box-shadow: var(--shadow); font-size: 14px; pointer-events: none; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.footer { border-top: 1px solid var(--border); margin-top: 40px; background: color-mix(in srgb, var(--bg) 80%, transparent); }
.footer-inner { max-width: var(--max); margin: 0 auto; padding: 32px 24px; display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer p { color: var(--text-3); font-size: 14px; max-width: 560px; margin: 0; }
.footer-meta { font-family: var(--mono); font-size: 12px; color: var(--text-3); text-align: right; display: grid; gap: 4px; }
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s, transform .6s; }
.reveal.in { opacity: 1; transform: none; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 13px; color: var(--text-3); align-items: center; }

@media (max-width: 1020px) {
  .hero-grid { grid-template-columns: 1fr; }
  .scanner { max-width: 360px; margin: 0 auto; }
  .lifecycle { grid-template-columns: repeat(4, 1fr); row-gap: 28px; }
  .lifecycle::before { display: none; }
  .explore { grid-template-columns: 1fr; }
  .sidebar { position: static; max-height: none; }
  .side-list.cats { display: flex; overflow-x: auto; gap: 6px; padding-bottom: 4px; }
  .side-list.cats button { white-space: nowrap; border: 1px solid var(--border); }
  .side-list.cats button.sub { padding-left: 10px; }
  .split { grid-template-columns: 1fr; }
  .step { grid-template-columns: 1fr; }
  .phase-detail { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .wrap { padding: 0 16px; }
  .topbar { padding: 10px 16px; gap: 12px; }
  .search-trigger { min-width: 0; }
  .search-trigger span, .search-trigger kbd { display: none; }
  .menu-btn { display: grid; }
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; padding: 10px 16px 16px; background: var(--surface-solid); border-bottom: 1px solid var(--border); }
  .nav.open { display: flex; }
  .top-actions { margin-left: auto; }
  .hero { padding: 40px 0 24px; }
  .hero-search input { padding-right: 18px; }
  .hero-search button { display: none; }
  .stats { grid-template-columns: 1fr 1fr; }
  .audience { grid-template-columns: 1fr; }
  .lifecycle { grid-template-columns: repeat(2, 1fr); }
  .kits { grid-template-columns: 1fr; }
  .tool-grid { grid-template-columns: minmax(0, 1fr); }
  .tool-grid.list .tool { flex-direction: column; align-items: stretch; }
  .tool-grid.list .tool-head { width: auto; }
  .blip { font-size: 11px; padding: 4px 8px; }
  .footer-meta { text-align: left; }
  .kv { grid-template-columns: 1fr; gap: 2px; }
  .sidebar .legend, .sidebar h5:last-of-type { display: none; }
  .kv dd { margin-bottom: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}