/* The Loop Academy — styles (v2: refined, modern, sleek) */

@font-face {
  font-family: 'Inter';
  src: local('Inter'), local('InterVariable'), url('/fonts/InterVariable.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
  font-named-instance: 'Regular';
}

:root {
  /* surfaces */
  --bg: #0a0d13;
  --bg-2: #0e131b;
  --panel: #121925;
  --panel-2: #18212f;
  --elev: #1d2837;
  /* borders */
  --border: #232c3d;
  --hairline: rgba(255,255,255,.06);
  /* text */
  --text: #eaeef5;
  --muted: #9fadc1;
  --faint: #8a97ad;
  --prose-body: #cdd6e3;
  --prose-strong: #ffffff;
  /* accents */
  --accent: #4be3c5;
  --accent-soft: #8fe6d4;
  --accent-2: #7c5cff;
  --accent-3: #ffb84d;
  --good: #46d27e;
  --danger: #ff6b6b;
  /* radii */
  --radius: 14px;
  --radius-sm: 10px;
  --radius-btn: 10px;
  /* shadows / elevation */
  --shadow-sm: 0 1px 2px rgba(0,0,0,.28);
  --shadow-md: 0 6px 20px rgba(0,0,0,.32);
  --shadow-lg: 0 18px 44px rgba(0,0,0,.46);
  --inset-hi: inset 0 1px 0 rgba(255,255,255,.04);
  /* spacing scale (8pt) */
  --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px; --s-5: 24px; --s-6: 32px;
  /* motion */
  --ease: cubic-bezier(.2,.6,.2,1);
  --dur-fast: 120ms; --dur: 190ms;
  --maxw: 940px;
  --nav-h: 60px;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

/* Accessibility helpers */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: -9999px; top: auto; z-index: 100;
  background: var(--accent); color: #06231d; padding: 10px 16px;
  border-radius: 0 0 10px 0; font-weight: 650; text-decoration: none;
}
.skip-link:focus { left: 0; top: 0; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

body {
  background:
    radial-gradient(1100px 640px at 82% -12%, rgba(124,92,255,.09), transparent 60%),
    radial-gradient(820px 560px at -12% 8%, rgba(75,227,197,.06), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}

#app { min-height: 100vh; display: flex; flex-direction: column; }

/* ── Top bar ─────────────────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 11px 18px;
  background: rgba(10,13,19,.72); backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid var(--hairline);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.topbar.scrolled { background: rgba(10,13,19,.92); border-bottom-color: var(--border); box-shadow: var(--shadow-sm); }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.brand-mark { display: grid; place-items: center; }
.brand-text { font-size: 1.02rem; letter-spacing: -.01em; font-weight: 600; }
.brand-text b { color: var(--accent); font-weight: 700; }
.topbar-right { display: flex; align-items: center; gap: 10px; }
.status-pill {
  font-size: .72rem; padding: 4px 10px; border-radius: 999px; font-variant-numeric: tabular-nums;
  border: 1px solid var(--border); color: var(--muted); white-space: nowrap; background: rgba(255,255,255,.02);
}
.status-pill.online { color: var(--good); border-color: rgba(70,210,126,.38); background: rgba(70,210,126,.08); }
.status-pill.offline { color: var(--accent-3); border-color: rgba(255,184,77,.32); background: rgba(255,184,77,.07); }
.ghost-btn {
  background: transparent; color: var(--accent); border: 1px solid rgba(75,227,197,.38);
  padding: 6px 12px; border-radius: 999px; cursor: pointer; font-size: .8rem; font-family: inherit;
  transition: background var(--dur) var(--ease);
}
.ghost-btn:hover { background: rgba(75,227,197,.1); }

/* ── Layout ──────────────────────────────────────────── */
.view {
  flex: 1; width: 100%; max-width: var(--maxw); margin: 0 auto;
  padding: 24px 18px calc(var(--nav-h) + 30px);
}
.loading { text-align: center; color: var(--muted); padding: 64px 0; }

/* ── Nav (bottom on mobile, left rail on desktop) ────── */
.nav {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 30;
  min-height: var(--nav-h); padding-bottom: env(safe-area-inset-bottom, 0);
  display: flex; align-items: stretch;
  background: rgba(10,13,19,.9); backdrop-filter: blur(14px);
  border-top: 1px solid var(--hairline);
}
.nav a {
  position: relative; flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 3px; text-decoration: none; color: var(--faint); font-size: .7rem; line-height: 1.2; padding: 6px;
  transition: color var(--dur) var(--ease);
}
.nav a .ni { display: grid; place-items: center; height: 24px; }
.nav a .ni svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; transition: stroke var(--dur) var(--ease); }
.nav a:hover { color: var(--muted); }
.nav a.active { color: var(--accent); }
/* mobile active indicator: accent underline */
.nav a.active::after {
  content: ""; position: absolute; top: 6px; left: 50%; transform: translateX(-50%);
  width: 22px; height: 2px; border-radius: 2px; background: var(--accent);
}

/* ── Cards & common ──────────────────────────────────── */
.card {
  background: var(--panel);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow-sm), var(--inset-hi);
}
.section-title { font-size: 1.4rem; font-weight: 650; letter-spacing: -.02em; margin: 4px 0 4px; }
.muted { color: var(--muted); }
.faint { color: var(--faint); }
.row { display: flex; gap: 12px; align-items: center; }
.wrap { flex-wrap: wrap; }
.spacer { flex: 1; }

/* unified chip base */
.pill, .cat, .agent-chip, .genre-chip, .suggested button {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .72rem; font-weight: 500; letter-spacing: .01em; line-height: 1.2;
  padding: 5px 10px; border-radius: 999px;
  border: 1px solid var(--border); color: var(--muted); background: rgba(255,255,255,.03);
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer;
  background: var(--accent); color: #06231d; font-family: inherit;
  border: none; padding: 10px 18px; border-radius: var(--radius-btn); min-height: 44px;
  font-weight: 650; font-size: .9rem; letter-spacing: .005em; line-height: 1;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.22), var(--shadow-sm);
  transition: filter var(--dur) var(--ease), transform var(--dur-fast) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.btn:hover { filter: brightness(1.07); }
.btn:active { transform: translateY(1px); filter: brightness(.95); }
.btn.secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); box-shadow: inset 0 1px 0 rgba(255,255,255,.05), var(--shadow-sm); }
.btn.secondary:hover { filter: none; background: var(--elev); border-color: rgba(75,227,197,.45); }
.btn.violet { background: var(--accent-2); color: #fff; box-shadow: inset 0 1px 0 rgba(255,255,255,.18), var(--shadow-sm); }
.btn:disabled { opacity: .5; cursor: default; filter: none; transform: none; }
.btn-sm { padding: 8px 13px; font-size: .82rem; border-radius: var(--radius-btn); min-height: 40px; }

/* ── Hero / Home ─────────────────────────────────────── */
.hero { text-align: center; padding: 22px 6px 6px; }
.hero h1 { font-size: clamp(1.9rem, 5.2vw, 2.7rem); font-weight: 750; letter-spacing: -.03em; margin: 8px 0; line-height: 1.1; }
.hero h1 .grad {
  background: linear-gradient(120deg, var(--accent), var(--accent-2)); -webkit-background-clip: text;
  background-clip: text; color: transparent;
}
.hero p { color: var(--muted); max-width: 600px; margin: 0 auto 20px; font-size: 1.02rem; }
.hero-cta { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

.home-grid { display: grid; gap: 14px; margin-top: 24px; }
@media (min-width: 680px) { .home-grid { grid-template-columns: 1fr 1fr; } }

.progress-ring { display: flex; align-items: center; gap: 16px; }
.ring { --p: 0; width: 76px; height: 76px; border-radius: 50%; flex: none; position: relative;
  background: conic-gradient(var(--accent) calc(var(--p) * 1%), var(--panel-2) 0);
  display: grid; place-items: center; }
.ring span { width: 58px; height: 58px; border-radius: 50%; background: var(--bg-2);
  display: grid; place-items: center; font-weight: 700; font-size: .95rem; font-variant-numeric: tabular-nums; }

.continue-card .lesson-mini { color: var(--muted); font-size: .85rem; }

/* ── Tracks ──────────────────────────────────────────── */
.track-list { display: grid; gap: 12px; margin-top: 16px; }
.track {
  display: flex; align-items: center; gap: 14px; cursor: pointer; text-align: left; width: 100%;
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px;
  color: var(--text); box-shadow: var(--shadow-sm), var(--inset-hi);
  transition: border-color var(--dur) var(--ease), transform var(--dur-fast) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}
.track:hover { border-color: rgba(75,227,197,.4); transform: translateY(-2px); box-shadow: var(--shadow-md), var(--inset-hi); }
.track .emoji { font-size: 1.7rem; flex: none; width: 46px; height: 46px; display: grid; place-items: center;
  background: var(--panel-2); border: 1px solid var(--hairline); border-radius: 12px; }
.track .t-body { flex: 1; min-width: 0; }
.track .t-title { font-weight: 600; letter-spacing: -.01em; }
.track .t-desc { color: var(--muted); font-size: .85rem; line-height: 1.45; margin-top: 2px; }
.track .t-meta { font-size: .72rem; color: var(--faint); margin-top: 5px; font-variant-numeric: tabular-nums; }
.track .t-prog { font-size: .72rem; color: var(--accent); }

/* lesson list inside a track */
.lesson-list { display: grid; gap: 9px; margin-top: 14px; }
.lesson-item {
  display: flex; align-items: center; gap: 12px; cursor: pointer; width: 100%; text-align: left; min-height: 52px;
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 12px 14px; color: var(--text); transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.lesson-item:hover { border-color: rgba(124,92,255,.45); background: var(--panel-2); }
.lesson-item .check {
  width: 24px; height: 24px; border-radius: 50%; flex: none; border: 2px solid var(--border);
  display: grid; place-items: center; font-size: .8rem; color: transparent; transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.lesson-item.done .check { background: var(--good); border-color: var(--good); color: #06231d; }
.lesson-item .li-title { flex: 1; font-size: .92rem; }
.lesson-item .li-min { font-size: .72rem; color: var(--faint); font-variant-numeric: tabular-nums; }

.crumbs { font-size: .8rem; color: var(--faint); margin-bottom: 14px; }
.crumbs a { color: var(--accent); text-decoration: none; }
.crumbs a:hover { text-decoration: underline; }

/* ── Lesson reader ───────────────────────────────────── */
.lesson-head h1 { font-size: clamp(1.5rem, 4.6vw, 2.05rem); font-weight: 700; letter-spacing: -.022em; margin: 8px 0 8px; line-height: 1.15; }
.lesson-head .meta { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 4px; }
.prose { font-size: 1.01rem; line-height: 1.7; max-width: 70ch; }
.prose h2 { font-size: 1.25rem; font-weight: 650; letter-spacing: -.015em; margin: 26px 0 8px; color: var(--text); }
.prose h3 { font-size: 1.06rem; font-weight: 650; margin: 20px 0 6px; color: var(--text); }
.prose p { margin: 11px 0; color: var(--prose-body); }
.prose ul, .prose ol { margin: 11px 0; padding-left: 22px; color: var(--prose-body); }
.prose li { margin: 5px 0; }
.prose li::marker { color: var(--faint); }
.prose strong { color: var(--prose-strong); font-weight: 650; }
.prose code {
  background: rgba(75,227,197,.08); border: 1px solid var(--hairline); border-radius: 6px;
  padding: 1px 6px; font-family: 'Cascadia Code', 'JetBrains Mono', Consolas, monospace; font-size: .85em; color: #d6e6e0;
}
.prose pre {
  position: relative; background: #080c14; border: 1px solid var(--border); border-radius: 12px; padding: 32px 16px 16px;
  overflow-x: auto; margin: 14px 0; box-shadow: var(--inset-hi);
}
.prose pre code { background: none; border: none; padding: 0; color: #c7d4e6; }
.copy-btn {
  position: absolute; top: 8px; right: 8px;
  background: var(--panel-2); color: var(--muted); border: 1px solid var(--border);
  border-radius: 8px; padding: 3px 11px; font-size: .72rem; cursor: pointer; opacity: .85; font-family: inherit;
  transition: opacity var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.copy-btn:hover { opacity: 1; color: var(--accent); border-color: var(--accent); }
.prose blockquote {
  border-left: 3px solid var(--accent-2); margin: 14px 0; padding: 6px 14px;
  background: rgba(124,92,255,.06); border-radius: 0 8px 8px 0; color: var(--muted);
}
.prose a { color: var(--accent); text-underline-offset: 2px; }

.callout {
  margin: 20px 0; border-radius: var(--radius-sm); padding: 14px 16px; max-width: 70ch;
  border: 1px solid var(--border); background: var(--panel-2); box-shadow: var(--inset-hi);
}
.callout.takeaways { border-left: 3px solid var(--accent); }
.callout.try { border-left: 3px solid var(--accent-3); background: rgba(255,184,77,.05); }
.callout h4 { margin: 0 0 8px; font-size: .72rem; font-weight: 650; letter-spacing: 1px; text-transform: uppercase; color: var(--faint); }
.callout.takeaways ul { margin: 0; padding-left: 20px; color: var(--prose-body); }
.callout.takeaways li { margin: 4px 0; }

.lesson-actions { display: flex; gap: 10px; flex-wrap: wrap; margin: 24px 0 6px; }
.lesson-nav { display: flex; justify-content: space-between; gap: 10px; margin-top: 20px; }

.deepen-box { margin-top: 18px; }
.evolved-tag, .cat-evolved { background: rgba(75,227,197,.1); color: var(--accent); border-color: rgba(75,227,197,.36); }

/* ── Mentor chat ─────────────────────────────────────── */
.chat-wrap { display: flex; flex-direction: column; height: calc(100dvh - var(--nav-h) - 96px); }
.team-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; align-items: center; }
.agent-chip .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--faint); transition: background var(--dur) var(--ease); }
.agent-chip.lead .dot { background: var(--accent); }
.agent-chip.active { color: var(--text); border-color: rgba(124,92,255,.5); background: rgba(124,92,255,.08); }
.agent-chip.active .dot { background: var(--accent-2); box-shadow: 0 0 8px var(--accent-2); }
.agent-chip .faint { color: var(--faint); }

.messages { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 12px; padding: 6px 2px; }
.msg { max-width: 92%; padding: 12px 15px; border-radius: 16px; font-size: .95rem; line-height: 1.55; }
.msg.user { align-self: flex-end; background: var(--accent-2); color: #fff; border-bottom-right-radius: 5px; box-shadow: var(--shadow-sm); }
.msg.ada { align-self: flex-start; background: var(--panel); border: 1px solid var(--hairline); border-bottom-left-radius: 5px; box-shadow: var(--shadow-sm); }
.msg.ada .who { font-size: .72rem; color: var(--accent); margin-bottom: 5px; font-weight: 650; }
.msg .consult { margin-top: 9px; display: flex; gap: 6px; flex-wrap: wrap; }
.msg .consult .agent-chip { font-size: .66rem; padding: 2px 8px; }
.typing { align-self: flex-start; color: var(--muted); font-size: .9rem; display: flex; align-items: center; gap: 9px; }
.typing .dots span { font-size: 1.1em; color: var(--accent); animation: blink 1.2s infinite both; }
.typing .dots span:nth-child(2) { animation-delay: .2s; }
.typing .dots span:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%, 80%, 100% { opacity: .2; } 40% { opacity: 1; } }

/* composer as a single bordered input */
.composer {
  display: flex; gap: 8px; align-items: flex-end; margin-top: 10px; padding: 7px 7px 7px 4px;
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.composer:focus-within { border-color: rgba(75,227,197,.55); box-shadow: 0 0 0 3px rgba(75,227,197,.12); }
.composer textarea {
  flex: 1; resize: none; background: transparent; border: none; color: var(--text);
  padding: 8px 10px; font: inherit; font-size: .95rem; line-height: 1.45; max-height: 120px;
}
.composer textarea:focus { outline: none; }
.composer textarea::placeholder { color: var(--faint); }
.send-btn { flex: none; width: 44px; height: 44px; border-radius: var(--radius-btn); display: grid; place-items: center; padding: 0; }
.mode-toggle { display: flex; gap: 6px; font-size: .74rem; align-items: center; color: var(--faint); }
.switch { cursor: pointer; user-select: none; }

.suggested { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0; }
.suggested button { cursor: pointer; font-family: inherit; transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease); }
.suggested button:hover { color: var(--text); border-color: rgba(75,227,197,.45); }

/* ── Banners / toast ─────────────────────────────────── */
.evolve-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.banner {
  border: 1px solid rgba(255,184,77,.32); background: rgba(255,184,77,.06); color: #f0d9b0;
  border-radius: var(--radius-sm); padding: 12px 14px; font-size: .88rem; margin: 12px 0; line-height: 1.5;
}
.toast {
  position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(var(--nav-h) + 16px);
  background: var(--elev); border: 1px solid var(--border); color: var(--text);
  padding: 10px 16px; border-radius: 999px; font-size: .85rem; z-index: 50; box-shadow: var(--shadow-lg);
  opacity: 0; transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.toast.show { opacity: 1; }

.lang-select {
  background: var(--panel-2); color: var(--muted); border: 1px solid var(--border);
  border-radius: 9px; padding: 7px 9px; font-size: .8rem; cursor: pointer; font-family: inherit; max-width: 9rem; min-height: 40px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.lang-select:hover { color: var(--text); border-color: rgba(75,227,197,.45); }

/* ── Story feed (What's New) — editorial layout ──────── */
.nf-feed { margin-top: 18px; }
.nf-entry { padding: 26px 0; border-bottom: 1px solid var(--hairline); }
.nf-entry:first-child { padding-top: 8px; }
.nf-entry:last-child { border-bottom: none; }
.nf-date { font-size: .73rem; letter-spacing: .8px; text-transform: uppercase; color: var(--faint); margin-bottom: 10px; }
.nf-auto { color: var(--accent); text-transform: none; letter-spacing: 0; }
.nf-title {
  display: inline-block; font-size: clamp(1.3rem, 3.8vw, 1.7rem); font-weight: 700; letter-spacing: -.02em;
  line-height: 1.2; color: var(--text); text-decoration: none; cursor: pointer; transition: color var(--dur) var(--ease);
}
.nf-title:hover { color: var(--accent); }
.nf-kicker { margin-top: 10px; }
.nf-excerpt {
  margin: 14px 0 12px; padding: 2px 0 2px 16px; border-left: 2px solid var(--border);
  color: var(--muted); font-size: 1.03rem; line-height: 1.62;
}
.nf-source {
  display: flex; gap: 8px 14px; flex-wrap: wrap; align-items: baseline;
  font-size: .85rem; color: var(--faint);
}
.nf-via { font-style: italic; }
.nf-via a { color: var(--muted); text-decoration: none; }
.nf-via a:hover { color: var(--accent); text-decoration: underline; }
.nf-more { color: var(--faint); font-size: .8rem; }
.nf-readmore { color: var(--accent); cursor: pointer; white-space: nowrap; text-decoration: none; font-weight: 550; }
.nf-readmore:hover { text-decoration: underline; }

/* category tags — normalized tints */
.cat { font-size: .68rem; font-weight: 600; letter-spacing: .3px; text-transform: uppercase; padding: 3px 9px; }
.cat-models { color: #7fd9ff; border-color: rgba(127,217,255,.36); background: rgba(127,217,255,.09); }
.cat-tools { color: var(--accent); border-color: rgba(75,227,197,.36); background: rgba(75,227,197,.09); }
.cat-market { color: var(--accent-3); border-color: rgba(255,184,77,.36); background: rgba(255,184,77,.09); }
.cat-technique { color: #c4a6ff; border-color: rgba(124,92,255,.4); background: rgba(124,92,255,.1); }
.cat-community { color: #ff9ecb; border-color: rgba(255,158,203,.36); background: rgba(255,158,203,.09); }
.cat-policy { color: #ff8f6b; border-color: rgba(255,143,107,.4); background: rgba(255,143,107,.1); }
.cat-research { color: #8ad6a0; border-color: rgba(138,214,160,.4); background: rgba(138,214,160,.1); }
.cat-funding { color: #e7c66b; border-color: rgba(231,198,107,.4); background: rgba(231,198,107,.1); }

/* genre filter bar */
.genre-filter { display: flex; gap: 8px; flex-wrap: wrap; margin: 18px 0 2px; }
.genre-chip {
  cursor: pointer; font-family: inherit;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur-fast) var(--ease);
}
.genre-chip:hover { color: var(--text); border-color: rgba(75,227,197,.45); }
.genre-chip:active { transform: scale(.97); }
.genre-chip.active { background: var(--accent); color: #06231d; border-color: var(--accent); font-weight: 600; }
.genre-chip .gc-count { opacity: .6; font-size: .72rem; margin-left: 3px; font-variant-numeric: tabular-nums; }
.genre-chip.active .gc-count { opacity: .8; }

/* Story detail */
.story-detail { max-width: 70ch; }
.story-detail .meta { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 6px; }
.story-detail h1 { font-size: clamp(1.5rem, 4.6vw, 2.05rem); font-weight: 700; letter-spacing: -.022em; margin: 6px 0 10px; line-height: 1.18; }
.story-lead {
  font-size: 1.05rem; color: var(--prose-body); border-left: 2px solid var(--accent-2);
  padding: 4px 0 4px 14px; margin: 0 0 16px; line-height: 1.55;
}
.callout.sources { border-left: 3px solid var(--accent-3); margin-top: 22px; }
.src-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.src-list li { font-size: .9rem; line-height: 1.4; }
.src-list a { color: var(--accent); text-decoration: none; }
.src-list a:hover { text-decoration: underline; }
.src-pub { color: var(--faint); font-size: .82rem; }
.src-ext { color: var(--faint); font-size: .78rem; }

/* ── Desktop: left rail nav ──────────────────────────── */
@media (min-width: 900px) {
  :root { --nav-h: 0px; }
  #app { padding-left: 94px; }
  .nav {
    top: 0; bottom: 0; right: auto; width: 94px; height: 100vh; flex-direction: column;
    justify-content: flex-start; gap: 4px; padding-top: 84px; border-top: none; border-right: 1px solid var(--hairline);
    background: rgba(10,13,19,.55);
  }
  .nav a { flex: none; padding: 13px 6px; font-size: .7rem; border-radius: 12px; margin: 0 12px; }
  .nav a:hover { background: rgba(255,255,255,.03); }
  .nav a.active { background: rgba(75,227,197,.1); color: var(--accent); }
  /* desktop active indicator: left accent bar (replaces underline) */
  .nav a.active::after { top: 50%; left: 0; transform: translateY(-50%); width: 3px; height: 26px; border-radius: 0 3px 3px 0; }
  .view { padding: 32px 28px 40px; }
  .chat-wrap { height: calc(100dvh - 150px); }
}