/* ============================================================
   AI Toolkit by Role — dark aurora + glass design system
   Tokens first (frontend-design discipline), then components.
   ============================================================ */
:root {
  /* Space scale — non-uniform, editorial */
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1.1rem;
  --space-lg: 1.9rem;
  --space-xl: 3.25rem;
  --space-2xl: 5.5rem;

  /* Type — three levels: display / body / caption */
  --font-display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-body: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --type-display-xl: clamp(2.6rem, 6vw, 4.75rem);
  --type-display-lg: clamp(1.5rem, 3vw, 2.1rem);
  --type-body-lg: clamp(1.02rem, 1.4vw, 1.2rem);
  --type-body: 0.975rem;
  --type-caption: 0.8rem;

  /* Color — tinted neutrals, project-specific accents (teal + magenta) */
  --bg: #07080d;
  --bg-2: #0a0c14;
  --glass: rgba(255, 255, 255, 0.045);
  --glass-strong: rgba(19, 22, 34, 0.72);
  --raise: rgba(255, 255, 255, 0.07);
  --text: #f1f4fa;
  --text-soft: rgba(241, 244, 250, 0.64);
  --text-faint: rgba(241, 244, 250, 0.40);
  --line: rgba(255, 255, 255, 0.09);
  --line-soft: rgba(255, 255, 255, 0.055);
  --accent: #2ee6c5;         /* dominant: electric teal */
  --accent-ink: #04241f;     /* readable text on accent */
  --accent-2: #ff5d9e;       /* supporting: magenta */
  --accent-3: #7c5cff;       /* aurora only */
  --amber: #ffb43e;          /* status: stars */
  --grad-head: linear-gradient(100deg, #3af0d0 0%, #7ce7ff 40%, #ff6aa8 100%);
  --grad-accent: linear-gradient(120deg, #2ee6c5, #4bd6ff 55%, #ff5d9e);
  --glow: 0 0 0 1px rgba(46, 230, 197, 0.35), 0 10px 40px -8px rgba(46, 230, 197, 0.35);

  /* Radii — varied by role */
  --r-sm: 9px;
  --r-md: 13px;
  --r-lg: 20px;
  --r-xl: 26px;
  --r-pill: 999px;

  /* Motion */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --fast: 130ms;
  --base: 260ms;
  --slow: 520ms;

  --maxw: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--type-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(18px, 4vw, 36px); }

/* ---------- Aurora background (full-bleed, breaks the grid) ---------- */
.aurora { position: fixed; inset: 0; z-index: -1; overflow: hidden; background:
    radial-gradient(120% 90% at 50% -20%, #0d1120 0%, var(--bg) 55%); }
.blob { position: absolute; border-radius: 50%; filter: blur(85px); opacity: 0.5; mix-blend-mode: screen; }
.b1 { width: 46vw; height: 46vw; left: -8vw; top: -12vw; background: radial-gradient(circle, var(--accent), transparent 66%); animation: drift1 22s var(--ease) infinite alternate; }
.b2 { width: 40vw; height: 40vw; right: -6vw; top: -6vw; background: radial-gradient(circle, var(--accent-2), transparent 66%); opacity: 0.4; animation: drift2 26s var(--ease) infinite alternate; }
.b3 { width: 52vw; height: 52vw; left: 26vw; top: 18vw; background: radial-gradient(circle, var(--accent-3), transparent 68%); opacity: 0.32; animation: drift3 30s var(--ease) infinite alternate; }
.grid-overlay { position: absolute; inset: 0; background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 46px 46px; mask-image: radial-gradient(100% 60% at 50% 0%, #000 10%, transparent 75%); opacity: 0.5; }
@keyframes drift1 { to { transform: translate(8vw, 10vh) scale(1.15); } }
@keyframes drift2 { to { transform: translate(-7vw, 12vh) scale(1.1); } }
@keyframes drift3 { to { transform: translate(4vw, -8vh) scale(1.2); } }

/* ---------- Hero ---------- */
.hero { padding: clamp(4rem, 11vh, 8rem) 0 var(--space-xl); }
.hero-inner { max-width: 860px; }
.eyebrow {
  display: inline-block; font-family: var(--font-display); font-weight: 600;
  font-size: var(--type-caption); letter-spacing: 0.02em; color: var(--accent);
  background: rgba(46, 230, 197, 0.08); border: 1px solid rgba(46, 230, 197, 0.25);
  padding: 6px 14px; border-radius: var(--r-pill); margin-bottom: var(--space-md);
}
h1 {
  font-family: var(--font-display); font-weight: 700; font-size: var(--type-display-xl);
  line-height: 1.02; letter-spacing: -0.03em; margin: 0 0 var(--space-md);
}
h1 .grad { background: var(--grad-head); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .tag { font-size: var(--type-body-lg); color: var(--text-soft); margin: 0; max-width: 44rem; }
.hero .tag b { color: var(--text); font-weight: 600; }
.cta { display: flex; gap: var(--space-sm); flex-wrap: wrap; margin-top: var(--space-lg); }

/* Buttons */
.btn { font-family: var(--font-display); font-weight: 600; font-size: 0.95rem; cursor: pointer;
  padding: 12px 22px; border-radius: var(--r-md); border: 1px solid transparent; transition: transform var(--fast) var(--ease), box-shadow var(--base), background var(--base); display: inline-flex; align-items: center; gap: 8px; }
.btn.sm { padding: 9px 15px; font-size: 0.86rem; }
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--grad-accent); color: var(--accent-ink); box-shadow: 0 8px 30px -8px rgba(46, 230, 197, 0.6); }
.btn-primary:hover { text-decoration: none; box-shadow: 0 10px 40px -6px rgba(46, 230, 197, 0.8); transform: translateY(-2px); }
.btn-ghost { background: var(--glass); color: var(--text); border-color: var(--line); backdrop-filter: blur(10px); }
.btn-ghost:hover { text-decoration: none; border-color: var(--accent); color: var(--text); transform: translateY(-2px); }

/* Stat row — count-up */
.stat-row { display: flex; gap: clamp(1.5rem, 5vw, 3.5rem); margin-top: var(--space-xl); flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; }
.stat .num { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.7rem, 3.5vw, 2.6rem); line-height: 1; letter-spacing: -0.02em; }
.stat .num.accent { color: var(--accent); }
.stat .lbl { font-size: var(--type-caption); color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 8px; }

/* ---------- Explainer ---------- */
details.explainer { margin-top: var(--space-md); background: var(--glass); border: 1px solid var(--line); border-radius: var(--r-lg); backdrop-filter: blur(14px); overflow: hidden; }
details.explainer > summary { cursor: pointer; padding: 16px 22px; font-family: var(--font-display); font-weight: 600; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
details.explainer > summary::-webkit-details-marker { display: none; }
.explainer .hint { font-size: var(--type-caption); color: var(--accent); border: 1px solid rgba(46,230,197,0.3); border-radius: var(--r-pill); padding: 3px 10px; }
.explainer-body { padding: 4px 22px 22px; display: grid; gap: var(--space-lg); grid-template-columns: 1fr 1fr; }
@media (max-width: 720px) { .explainer-body { grid-template-columns: 1fr; } }
.explainer-body h3 { margin: 0 0 10px; font-size: var(--type-caption); text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-faint); font-family: var(--font-display); }
.def { margin: 0 0 10px; font-size: 0.9rem; color: var(--text-soft); }
.def b { color: var(--text); }

/* ---------- Controls (sticky glass) ---------- */
.controls { position: sticky; top: 0; z-index: 30; padding: var(--space-md) 0; margin-top: var(--space-xl);
  background: rgba(7, 8, 13, 0.72); backdrop-filter: blur(18px) saturate(140%); border-bottom: 1px solid var(--line); }
.search { width: 100%; font-family: var(--font-body); font-size: 1rem; padding: 14px 18px; border-radius: var(--r-md);
  border: 1px solid var(--line); background: var(--glass); color: var(--text); transition: border var(--fast), box-shadow var(--fast); }
.search::placeholder { color: var(--text-faint); }
.search:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(46, 230, 197, 0.18); }
.filters { display: flex; flex-direction: column; gap: 9px; }

/* collapsible, NON-sticky filter panel (keeps the sticky bar slim so the grid gets the screen) */
.filter-panel { overflow: hidden; max-height: 780px; transition: max-height 0.32s var(--ease); border-bottom: 1px solid var(--line); background: rgba(7, 8, 13, 0.35); }
.filter-panel.collapsed { max-height: 0; border-bottom-color: transparent; }
.filter-panel-inner { padding: var(--space-md) 0; }
.filter-toggle { font-family: var(--font-body); font-size: 0.83rem; font-weight: 600; color: var(--text); background: var(--glass); border: 1px solid var(--line); border-radius: var(--r-sm); padding: 6px 12px; cursor: pointer; display: inline-flex; align-items: center; gap: 7px; transition: border-color var(--fast), color var(--fast); }
.filter-toggle:hover { border-color: var(--accent); }
.filter-toggle[aria-expanded="true"] { border-color: var(--accent); color: var(--accent); }
.filter-toggle::after { content: "▾"; font-size: 0.8em; transition: transform var(--fast); }
.filter-toggle[aria-expanded="false"]::after { transform: rotate(-90deg); }
.fcount { font-weight: 700; color: var(--accent); }
.fcount:empty { display: none; }
.filter-group { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.glabel { font-family: var(--font-display); font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.09em; color: var(--text-faint); min-width: 62px; }
.chips { display: inline-flex; flex-wrap: wrap; gap: 7px; }
.chip { font-family: var(--font-body); font-size: 0.82rem; font-weight: 500; cursor: pointer; padding: 6px 13px; border-radius: var(--r-pill);
  border: 1px solid var(--line); background: var(--glass); color: var(--text-soft); transition: all var(--fast) var(--ease); }
.chip:hover { border-color: var(--accent); color: var(--text); transform: translateY(-1px); }
.chip[aria-pressed="true"] { background: var(--grad-accent); border-color: transparent; color: var(--accent-ink); font-weight: 600; box-shadow: 0 6px 18px -6px rgba(46, 230, 197, 0.6); }
.toolbar { display: flex; justify-content: space-between; align-items: center; margin-top: var(--space-md); gap: 12px; flex-wrap: wrap; }
.count { font-family: var(--font-display); font-size: 0.9rem; color: var(--text-soft); font-weight: 600; }
.toolbar-right { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.linkbtn { font-size: 0.83rem; font-weight: 600; color: var(--accent); background: none; border: none; cursor: pointer; font-family: var(--font-body); }
.linkbtn:hover { text-decoration: underline; }
.sortlabel { font-size: 0.8rem; color: var(--text-faint); font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.sortlabel select { font-family: var(--font-body); font-size: 0.82rem; font-weight: 600; color: var(--text); background: var(--glass); border: 1px solid var(--line); border-radius: var(--r-sm); padding: 6px 8px; cursor: pointer; }

/* ---------- Cards ---------- */
main { padding-top: var(--space-lg); }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: var(--space-md); padding-bottom: var(--space-2xl); }
.card { position: relative; background: var(--glass); border: 1px solid var(--line); border-radius: var(--r-lg); padding: var(--space-md) var(--space-md) var(--space-sm);
  backdrop-filter: blur(12px); box-shadow: 0 1px 0 rgba(255,255,255,0.04) inset; display: flex; flex-direction: column; gap: 10px;
  transition: transform var(--base) var(--ease), border-color var(--base), box-shadow var(--base), opacity var(--slow) var(--ease); }
.card { opacity: 0; transform: translateY(16px); }
.card.in { opacity: 1; transform: none; }
.card:hover { transform: translateY(-5px); border-color: rgba(46, 230, 197, 0.4); box-shadow: 0 18px 50px -16px rgba(46, 230, 197, 0.28); }
.card.selected { border-color: var(--accent); box-shadow: var(--glow); background: rgba(46, 230, 197, 0.05); }
.card-top { display: flex; justify-content: space-between; align-items: start; gap: 10px; padding-right: 34px; }
.card h3 { margin: 0; font-family: var(--font-display); font-size: 1.06rem; letter-spacing: -0.01em; font-weight: 600; }
.card h3 a { color: var(--text); }
.card h3 a:hover { color: var(--accent); }
.card-meta { display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.stars { font-family: var(--font-display); font-size: 0.78rem; font-weight: 700; color: var(--amber); background: rgba(255, 180, 62, 0.1); border: 1px solid rgba(255, 180, 62, 0.28); padding: 2px 9px; border-radius: var(--r-pill); }
.official { font-size: 0.78rem; font-weight: 700; color: var(--accent); }
.tags-row { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { font-family: var(--font-body); font-size: 0.72rem; font-weight: 600; padding: 3px 9px; border-radius: var(--r-sm); background: var(--raise); color: var(--text-soft); }
.tag.type-skill { background: rgba(255, 93, 158, 0.14); color: #ff9ec4; }
.tag.type-connector { background: rgba(75, 214, 255, 0.14); color: #9be2ff; }
.tag.type-plugin { background: rgba(255, 180, 62, 0.14); color: #ffcf87; }
.tag.type-rule { background: rgba(46, 230, 197, 0.14); color: #8ff3df; }
.tag.type-extension { background: rgba(124, 92, 255, 0.16); color: #c3b4ff; }
.tag.surface-chat { background: rgba(255, 93, 158, 0.12); color: #ff9ec4; }
.tag.surface-code { background: rgba(75, 214, 255, 0.12); color: #9be2ff; }
.tag.surface-both { background: rgba(46, 230, 197, 0.12); color: #8ff3df; }
.tag.type-app { background: rgba(120, 230, 140, 0.16); color: #9be9a8; }
.tag.surface-standalone { background: rgba(124, 92, 255, 0.14); color: #c3b4ff; }
.tag.builtin { background: rgba(124, 92, 255, 0.16); color: #c3b4ff; }
.tag.cost-free { background: rgba(120, 230, 140, 0.14); color: #9be9a8; }
.tag.cost-freemium { background: rgba(75, 214, 255, 0.14); color: #9be2ff; }
.tag.cost-paid { background: rgba(255, 180, 62, 0.16); color: #ffcf87; }
.tag.cost-enterprise { background: rgba(124, 92, 255, 0.16); color: #c3b4ff; }
.what { font-size: 0.93rem; color: var(--text); margin: 0; font-weight: 600; }
.why { font-size: 0.86rem; color: var(--text-soft); margin: 0; }
.card-foot { margin-top: auto; padding-top: 10px; border-top: 1px solid var(--line-soft); display: flex; flex-wrap: wrap; gap: 6px; }
.tool-badge { font-size: 0.72rem; color: var(--text-faint); background: rgba(255,255,255,0.03); border: 1px solid var(--line-soft); padding: 2px 8px; border-radius: var(--r-sm); }

/* custom select checkbox */
.pick { position: absolute; top: 14px; right: 14px; width: 22px; height: 22px; margin: 0; cursor: pointer; appearance: none; -webkit-appearance: none;
  border: 1.5px solid var(--line); border-radius: 7px; background: var(--glass); transition: all var(--fast) var(--ease); }
.pick:hover { border-color: var(--accent); }
.pick:checked { background: var(--grad-accent); border-color: transparent; }
.pick:checked::after { content: "✓"; position: absolute; inset: 0; display: grid; place-items: center; color: var(--accent-ink); font-size: 14px; font-weight: 900; }
.pick:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.empty { text-align: center; padding: 90px 20px; color: var(--text-faint); grid-column: 1 / -1; }

/* ---------- Collections ---------- */
.collections { padding-bottom: var(--space-xl); }
.collections h2 { font-family: var(--font-display); font-size: var(--type-display-lg); letter-spacing: -0.02em; margin: 0 0 6px; }
.collections .csub { color: var(--text-soft); margin: 0 0 var(--space-lg); font-size: 0.95rem; }
.collections .chead { font-family: var(--font-display); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-faint); margin: var(--space-lg) 0 var(--space-sm); }
.coll-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 13px; }
.coll-card { display: block; background: var(--glass); border: 1px solid var(--line); border-radius: var(--r-md); padding: 15px 17px; backdrop-filter: blur(10px); transition: transform var(--fast) var(--ease), border-color var(--fast); }
.coll-card:hover { border-color: var(--accent); text-decoration: none; transform: translateY(-3px); }
.coll-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 6px; }
.coll-name { font-family: var(--font-display); font-weight: 600; font-size: 0.98rem; color: var(--text); }
.coll-stars { font-family: var(--font-display); font-size: 0.78rem; font-weight: 700; color: var(--amber); white-space: nowrap; }
.coll-what { margin: 0; font-size: 0.85rem; color: var(--text-soft); }
.market-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 10px; }
.market-item { display: flex; flex-direction: column; gap: 2px; background: var(--glass); border: 1px solid var(--line); border-radius: var(--r-md); padding: 12px 15px; transition: border-color var(--fast); }
.market-item:hover { border-color: var(--accent); text-decoration: none; }
.market-name { font-family: var(--font-display); font-weight: 600; font-size: 0.9rem; color: var(--text); }
.market-what { font-size: 0.78rem; color: var(--text-faint); }

/* ---------- Footer ---------- */
footer { border-top: 1px solid var(--line); padding: var(--space-lg) 0 var(--space-2xl); color: var(--text-faint); font-size: 0.85rem; }
.disclaimer { background: var(--glass); border: 1px solid var(--line); border-radius: var(--r-md); padding: 13px 17px; font-size: 0.83rem; color: var(--text-soft); }
.foot-line { margin-top: var(--space-md); }

/* ---------- Install tray ---------- */
.tray { position: fixed; left: 0; right: 0; bottom: 0; z-index: 50; background: var(--glass-strong);
  backdrop-filter: blur(22px) saturate(150%); border-top: 1px solid var(--line); box-shadow: 0 -20px 60px -20px rgba(0,0,0,0.7);
  transform: translateY(130%); transition: transform var(--base) var(--ease); }
.tray.open { transform: translateY(0); }
.tray-inner { padding: var(--space-md) clamp(18px, 4vw, 36px); display: flex; flex-direction: column; gap: 10px; }
.tray-head { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.tray-head strong { font-family: var(--font-display); font-size: 1rem; color: var(--accent); white-space: nowrap; }
.tray-chips { display: flex; gap: 6px; flex-wrap: wrap; overflow: hidden; max-height: 30px; }
.tray-chip { font-size: 0.76rem; background: var(--raise); border: 1px solid var(--line); color: var(--text-soft); padding: 3px 9px 3px 10px; border-radius: var(--r-pill); display: inline-flex; align-items: center; gap: 6px; }
.tray-chip button { background: none; border: none; color: var(--text-faint); cursor: pointer; font-size: 0.9rem; line-height: 1; padding: 0; }
.tray-chip button:hover { color: var(--accent-2); }
.tray-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.tray-tool { font-size: 0.82rem; color: var(--text-faint); font-weight: 600; display: inline-flex; align-items: center; gap: 8px; }
.tray-tool select { font-family: var(--font-body); font-size: 0.85rem; font-weight: 600; color: var(--text); background: var(--glass); border: 1px solid var(--line); border-radius: var(--r-sm); padding: 8px 10px; cursor: pointer; }
.tray-skip { margin: 0; font-size: 0.78rem; color: var(--amber); }
.tray-skip:empty { display: none; }

/* ---------- Toast ---------- */
.toast { position: fixed; left: 50%; bottom: 128px; transform: translate(-50%, 20px); z-index: 60;
  background: var(--grad-accent); color: var(--accent-ink); font-family: var(--font-display); font-weight: 600; font-size: 0.9rem;
  padding: 11px 20px; border-radius: var(--r-pill); box-shadow: 0 12px 40px -8px rgba(46, 230, 197, 0.6);
  opacity: 0; pointer-events: none; transition: opacity var(--base), transform var(--base) var(--ease); }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .grid { grid-template-columns: 1fr; }
  .stat-row { gap: 1.6rem; }
  .tray-actions { justify-content: space-between; }
  .tray-chips { display: none; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; }
  html { scroll-behavior: auto; }
  .blob { animation: none; }
  .card { opacity: 1; transform: none; transition: none; }
  .btn, .chip, .coll-card, .card:hover { transition: none; transform: none; }
  .tray { transition: none; }
  .filter-panel { transition: none; }
}