/* sharecat — glassmorphism over the Claude Design procedural sky.
   Background = gradient + 3 parallax fractal-noise cloud layers +
   warm haze + vignette (markup in index.html .sky-bg, styled below).
   No image assets. Frosted-glass panels sit on top. */
:root{
  --sky-1:#aee3ff; --sky-2:#cdf0ff; --sky-3:#e9f9ff;
  --ink:#13314c; --ink-2:#3d627f;
  --accent:#1f9e73; --accent-2:#7fdcb8; --good:#15a35c;
  --r:20px;
  --sans:"Nunito",system-ui,sans-serif; --display:"Baloo 2",var(--sans);
  /* frosted-glass tokens — every panel/tab shares these */
  --glass:rgba(255,255,255,.50);
  --glass-strong:rgba(255,255,255,.62);
  --glass-brd:rgba(255,255,255,.62);
  --glass-line:rgba(255,255,255,.34);
  --blur:saturate(170%) blur(20px);
  --sh:0 10px 34px rgba(20,52,82,.20), inset 0 1px 0 rgba(255,255,255,.60);
  --sh-soft:0 6px 18px rgba(20,52,82,.14), inset 0 1px 0 rgba(255,255,255,.55);
}
*{box-sizing:border-box;margin:0;padding:0}
/* Plain normal vertical scrolling site (no slides, no grid). */
html,body{min-height:100%}
body{
  font-family:var(--sans);color:var(--ink);
  background:#6fb0e8;          /* base behind .sky (covers on load) */
  overflow-x:hidden;
}
h2{font-family:var(--display);font-size:clamp(22px,4vw,30px);
  color:var(--ink);text-align:center;margin-bottom:18px;
  position:relative;padding-bottom:14px;
  text-shadow:0 1px 0 rgba(255,255,255,.5)}
h2::after{content:"";position:absolute;left:50%;bottom:0;
  transform:translateX(-50%);width:46px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--accent-2),var(--accent))}
a{color:var(--accent);text-decoration:none;font-weight:700}
a:hover{text-decoration:underline}
section{max-width:960px;margin:22px auto;padding:40px 22px}

/* ── Sky background (Claude Design "Sky Background.html" OPTIMIZED) ─
   Noise tile rasterized ONCE to a data-URL bg (set by inline script),
   .strip drifts via GPU translate3d keyframes — no per-frame
   feTurbulence (that was the system lag). Masks fade layers. */
.sky-bg{position:fixed;inset:0;z-index:0;pointer-events:none}
.sky{
  position:fixed;inset:0;
  background:linear-gradient(to bottom,
    #3d83c4 0%, #5aa0db 22%, #82bce8 48%, #b2d6ef 75%, #d6e9f4 100%);
}
.cloud-layer{position:fixed;inset:0;pointer-events:none;overflow:hidden}
.cloud-layer .strip{
  position:absolute;top:0;left:0;width:200%;height:100%;
  background-repeat:repeat;background-size:1000px 1000px;
  will-change:transform;transform:translate3d(0,0,0)}
.layer-far .strip{animation:drift 180s linear infinite}
.layer-mid .strip{animation:drift 110s linear infinite}
.layer-near .strip{animation:drift 70s linear infinite}
@keyframes drift{
  from{transform:translate3d(0,0,0)}
  to{transform:translate3d(-1000px,0,0)}}
.layer-far{opacity:.55;filter:blur(1px);
  -webkit-mask-image:linear-gradient(to bottom,
    transparent 0%,#000 10%,#000 38%,transparent 60%);
          mask-image:linear-gradient(to bottom,
    transparent 0%,#000 10%,#000 38%,transparent 60%)}
.layer-mid{opacity:.92;
  -webkit-mask-image:linear-gradient(to bottom,
    transparent 12%,#000 30%,#000 65%,transparent 85%);
          mask-image:linear-gradient(to bottom,
    transparent 12%,#000 30%,#000 65%,transparent 85%)}
.layer-near{opacity:1;
  -webkit-mask-image:linear-gradient(to bottom,
    transparent 30%,#000 50%,#000 92%,transparent 100%);
          mask-image:linear-gradient(to bottom,
    transparent 30%,#000 50%,#000 92%,transparent 100%)}
.haze{position:fixed;left:0;right:0;bottom:0;height:38%;pointer-events:none;
  background:linear-gradient(to top,
    rgba(255,245,225,.45) 0%,rgba(255,245,225,.18) 35%,
    rgba(255,245,225,0) 100%)}
.vignette{position:fixed;inset:0;pointer-events:none;
  background:radial-gradient(ellipse at 50% 45%,
    rgba(0,0,0,0) 55%,rgba(20,40,70,.18) 100%)}
body>*:not(.sky-bg):not(.flycat-overlay):not(.hero):not(.music-ctl){position:relative;z-index:10}

/* ── Flying mail cat overlay (Claude Design "Flying Mail Cat") ─────
   Fixed full-viewport layer ABOVE the glass content but
   pointer-events:none so it never blocks clicks/scroll. Flies
   site-wide as you scroll (it tracks the viewport). */
.flycat-overlay{position:fixed;inset:0;z-index:55;pointer-events:none}
.flycat-overlay #trail{position:fixed;inset:0;width:100%;height:100%;
  pointer-events:none}
.flycat-overlay .cat{
  position:fixed;left:0;top:0;width:220px;height:220px;
  object-fit:contain;transform-origin:50% 50%;will-change:transform;
  user-select:none;-webkit-user-drag:none;pointer-events:none;
  filter:drop-shadow(0 18px 25px rgba(40,110,80,.25))}

/* HERO — big cat + SHARE + meta (NO logo). Fixed & pinned to the
   TOP (content-height box at top:0, transform-origin top), so as the
   WHOLE block scales down on scroll (--hero-scale, set by app.js) it
   tucks UP and STAYS as a compact header — every element visible,
   nothing fades. Big cat on open (~fills the screen). pointer-events:
   none so the box never blocks the dashboard scrolling beneath;
   interactive children re-enable it. .hero-spacer reserves screen 1. */
.hero{
  position:fixed;top:0;left:0;right:0;z-index:2;pointer-events:none;
  display:flex;flex-direction:column;align-items:center;
  justify-content:flex-start;text-align:center;
  gap:clamp(6px,1.4vh,16px);padding:max(2vh,14px) 18px;
  transform:translateY(var(--hero-ty,0px)) scale(var(--hero-scale,1));transform-origin:50% 0;
  will-change:transform}
.hero-spacer{height:100vh;pointer-events:none}
.hero-cat{display:flex;justify-content:center}
.hero-cat .hover-scale{
  position:relative;width:min(78vmin,700px);aspect-ratio:1/1}
.hero-cat .sway{position:absolute;inset:0;transform-origin:50% 96%;
  animation:mc-sway 5.6s ease-in-out infinite}
.hero-cat .bob{position:absolute;inset:0;
  animation:mc-bob 2.8s ease-in-out infinite}
.hero-cat .cat{position:absolute;inset:0;width:100%;height:100%;
  object-fit:contain;transform-origin:50% 80%;
  animation:mc-tilt 4.2s ease-in-out infinite;
  filter:drop-shadow(0 30px 30px rgba(20,52,82,.26));
  user-select:none;-webkit-user-drag:none}
.hero-cat .shadow{position:absolute;left:50%;bottom:2%;
  width:46%;height:4.5%;transform:translateX(-50%);
  background:radial-gradient(ellipse at center,
    rgba(20,52,82,.30) 0%,rgba(20,52,82,0) 70%);
  filter:blur(2px);pointer-events:none;
  animation:mc-shadow 2.8s ease-in-out infinite}
@keyframes mc-bob{0%,100%{transform:translateY(0)}
  50%{transform:translateY(-3.2%)}}
@keyframes mc-sway{0%,100%{transform:rotate(-1.6deg)}
  50%{transform:rotate(1.6deg)}}
@keyframes mc-tilt{0%,100%{transform:rotate(-.8deg) scale(1)}
  50%{transform:rotate(.8deg) scale(1.012)}}
@keyframes mc-shadow{
  0%,100%{transform:translateX(-50%) scale(1,1);opacity:.9}
  50%{transform:translateX(-50%) scale(.78,.7);opacity:.55}}
.share-btn{
  display:inline-flex;align-items:center;gap:8px;cursor:pointer;
  font-family:var(--display);font-size:clamp(20px,3.4vw,30px);
  font-weight:800;color:#fff;letter-spacing:.02em;
  background:linear-gradient(180deg,var(--accent-2) 0%,var(--accent) 100%);
  border:1px solid rgba(255,255,255,.5);
  padding:15px 46px;border-radius:99px;letter-spacing:.04em;
  box-shadow:0 12px 30px rgba(31,158,115,.42),
    0 2px 6px rgba(20,52,82,.14),
    inset 0 2px 0 rgba(255,255,255,.55);
  transition:transform .18s cubic-bezier(.22,1,.36,1),box-shadow .18s ease;
  pointer-events:auto}
.share-btn:hover{transform:translateY(-3px) scale(1.03);
  text-decoration:none;box-shadow:0 18px 40px rgba(31,158,115,.52),
    0 3px 8px rgba(20,52,82,.16),
    inset 0 2px 0 rgba(255,255,255,.6)}
.share-btn:active{transform:translateY(0) scale(.99)}
.share-ico{width:.82em;height:.82em;flex:none;
  filter:drop-shadow(0 1px 1px rgba(20,52,82,.25));
  transition:transform .18s cubic-bezier(.22,1,.36,1)}
.share-btn:hover .share-ico{transform:translateX(3px) rotate(-8deg)}
.get-cat{display:inline-flex;align-items:center;gap:8px;
  pointer-events:auto;cursor:pointer;text-decoration:none;
  height:40px;padding:0 22px;border-radius:99px;
  font-family:var(--display);font-size:14px;font-weight:800;
  letter-spacing:.02em;color:var(--accent);
  background:var(--glass-strong);backdrop-filter:var(--blur);
  -webkit-backdrop-filter:var(--blur);
  border:1px solid var(--glass-brd);box-shadow:var(--sh-soft);
  transition:transform .18s cubic-bezier(.22,1,.36,1),box-shadow .18s ease}
.get-cat:hover{transform:translateY(-2px);text-decoration:none;
  box-shadow:var(--sh)}
.get-cat svg{width:16px;height:16px;flex:none}
.share-hint{margin:2px auto 0;text-align:center;white-space:nowrap;
  font-size:12px;font-weight:600;letter-spacing:.02em;color:var(--ink-2);
  opacity:.85;text-shadow:0 1px 0 rgba(255,255,255,.4)}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;
  align-items:center;margin-top:4px;pointer-events:auto}
.hero-cycle,.hero-ca{display:inline-flex;align-items:center;
  gap:6px;height:34px;padding:0 16px;
  background:var(--glass);backdrop-filter:var(--blur);
  -webkit-backdrop-filter:var(--blur);
  border:1px solid var(--glass-brd);border-radius:99px;
  box-shadow:var(--sh-soft);
  font-size:12px;font-weight:800;letter-spacing:.03em;
  text-transform:uppercase;color:var(--ink-2)}
.hero-cycle span{font-family:var(--display);color:var(--accent);
  letter-spacing:0;text-transform:none}
.hero-ca{font-family:ui-monospace,monospace;text-transform:none;
  letter-spacing:0}
.scroll-hint{margin-top:6px;font-size:12px;font-weight:800;
  letter-spacing:.16em;text-transform:uppercase;color:var(--ink-2);
  opacity:.85;animation:scroll-bob 1.8s ease-in-out infinite}
@keyframes scroll-bob{0%,100%{transform:translateY(0)}
  50%{transform:translateY(5px)}}

/* glass panels — normal vertical sections */
.lore,.how,.board,.feed{
  background:var(--glass);backdrop-filter:var(--blur);
  -webkit-backdrop-filter:var(--blur);
  border-radius:var(--r);box-shadow:var(--sh);
  border:1px solid var(--glass-brd)}
.lore p{font-size:clamp(16px,2.4vw,21px);line-height:1.7;
  text-align:center;color:var(--ink);font-weight:700}
.lore p+p{margin-top:14px}
.lore p.lore-lead{font-family:var(--display);
  font-size:clamp(26px,5vw,44px);font-weight:800;line-height:1.12;
  letter-spacing:-.01em;color:var(--ink)}
.lore p.lore-sub{font-size:clamp(14px,2vw,17px);
  color:var(--ink-2);font-weight:600;max-width:560px;
  margin-left:auto;margin-right:auto}
.lore p.lore-kicker{margin-top:34px;font-size:13px;font-weight:800;
  letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.lore p.lore-mech{margin-top:8px;font-family:var(--display);
  font-size:clamp(22px,4vw,36px);font-weight:800;line-height:1.15;
  color:var(--ink)}
.lore p.lore-tag{margin-top:10px;font-size:14px;font-weight:700;
  color:var(--ink-2)}
.lore-cite{display:flex;align-items:center;gap:14px;
  max-width:540px;margin:22px auto 0;padding:14px 18px;
  text-align:left;text-decoration:none;
  background:var(--glass-strong);backdrop-filter:var(--blur);
  -webkit-backdrop-filter:var(--blur);
  border:1px solid var(--glass-brd);border-radius:14px;
  box-shadow:var(--sh-soft);
  transition:transform .18s cubic-bezier(.22,1,.36,1),box-shadow .18s ease}
.lore-cite:hover{transform:translateY(-2px);box-shadow:var(--sh);
  text-decoration:none}
.cite-ico{flex:none;width:30px;height:30px;color:var(--accent)}
.cite-body{display:flex;flex-direction:column;gap:3px}
.cite-quote{font-size:clamp(15px,1.7vw,17px);font-weight:700;
  color:var(--ink);line-height:1.5}
.cite-src{font-size:12px;font-weight:700;color:var(--ink-2)}
.cite-src em{font-style:italic;color:var(--accent)}
.lore-cite-alt{display:block;text-align:center;
  margin:12px auto 0;font-size:12px;font-weight:800;
  color:var(--ink-2);text-transform:uppercase;letter-spacing:.04em}
.lore-cite-alt:hover{color:var(--accent);text-decoration:none}
.how ol{max-width:640px;margin:0 auto;padding-left:22px;
  display:flex;flex-direction:column;gap:13px}
.how li{font-size:clamp(14px,1.9vw,16px);line-height:1.55;
  color:var(--ink);font-weight:700}
.how em{color:var(--accent);font-style:normal;font-weight:800}

/* stats — frosted tiles */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;
  margin-bottom:16px;flex:0 0 auto}
.stat{background:var(--glass-strong);backdrop-filter:var(--blur);
  -webkit-backdrop-filter:var(--blur);
  border:1px solid var(--glass-brd);border-radius:15px;padding:18px 16px;
  text-align:center;box-shadow:var(--sh-soft)}
.stat-v{display:block;font-family:var(--display);font-size:31px;
  font-weight:800;color:var(--accent)}
.stat-l{display:block;font-size:12px;font-weight:800;color:var(--ink-2);
  text-transform:uppercase;letter-spacing:.05em;margin-top:5px}

/* board table — glass shell + frosted sticky header */
.board-wrap{overflow:auto;max-height:520px;border-radius:14px;
  border:1px solid var(--glass-line);background:var(--glass-strong)}
.board-table{width:100%;border-collapse:collapse;font-size:14px;min-width:560px}
.board-table thead th{position:sticky;top:0;
  background:rgba(255,255,255,.66);backdrop-filter:var(--blur);
  -webkit-backdrop-filter:var(--blur);
  color:var(--ink);font-family:var(--display);font-weight:700;
  text-align:left;padding:13px 14px;
  border-bottom:1px solid var(--glass-line)}
.board-table td{padding:12px 14px;
  border-bottom:1px solid rgba(20,52,82,.10);
  color:var(--ink);font-weight:700}
.board-table tr:hover td{background:rgba(255,255,255,.42)}
.board-table tr.empty td{text-align:center;color:var(--ink-2);padding:30px;
  font-weight:700}
.b-rank{font-family:var(--display);color:var(--accent);font-weight:800}
.b-share{font-family:var(--display);color:var(--good);font-weight:800}
.b-wallet{font-family:ui-monospace,monospace;font-size:12px;cursor:pointer}
.b-wallet:hover{color:var(--accent)}

/* feed */
.feed h2{display:flex;align-items:center;justify-content:center;gap:8px}
.pulse{width:10px;height:10px;border-radius:50%;background:var(--good);
  box-shadow:0 0 0 0 rgba(21,163,92,.5);animation:p 2.2s infinite}
@keyframes p{70%{box-shadow:0 0 0 9px rgba(21,163,92,0)}
  100%{box-shadow:0 0 0 0 rgba(21,163,92,0)}}
.feed-body{display:flex;flex-direction:column;gap:10px;
  max-height:480px;overflow:auto}
.feed-empty{text-align:center;color:var(--ink-2);padding:24px;font-weight:800}
.fc{border:1px solid var(--glass-brd);border-radius:14px;padding:12px 14px;
  background:var(--glass-strong);backdrop-filter:var(--blur);
  -webkit-backdrop-filter:var(--blur);box-shadow:var(--sh-soft)}
.fc-h{display:flex;justify-content:space-between;font-weight:800;
  color:var(--ink);margin-bottom:4px}
.fc-age{font-size:12px;color:var(--ink-2);font-weight:800}
.fc-t{font-size:14px;color:var(--ink);font-weight:600;line-height:1.5;
  word-break:break-word}
.fc-tag{display:inline-block;margin-top:7px;font-size:11px;font-weight:800;
  text-transform:uppercase;padding:2px 8px;border-radius:99px;
  background:rgba(21,163,92,.18);color:var(--good)}
.fc-tag-no{background:rgba(176,58,58,.16);color:#b34a4a}
.fc.dim{opacity:.5}

/* embedded X post — dark, like on twitter */
.x-embed{display:block;max-width:480px;margin:24px auto 0;
  text-align:left;text-decoration:none;background:#16181c;
  border:1px solid #2f3336;border-radius:16px;padding:16px 18px;
  color:#e7e9ea;font-family:var(--sans);
  transition:transform .18s cubic-bezier(.22,1,.36,1),border-color .18s ease}
.x-embed:hover{transform:translateY(-2px);border-color:#3e4348;
  text-decoration:none}
.xe-top{display:flex;align-items:center;gap:10px}
.xe-av{width:42px;height:42px;border-radius:50%;flex:none;
  object-fit:cover;display:block}
.xe-id{display:flex;flex-direction:column;line-height:1.25;flex:1;min-width:0}
.xe-name{display:flex;align-items:center;gap:4px;font-weight:800;
  font-size:15px;color:#e7e9ea}
.xe-check{width:18px;height:18px;flex:none}
.xe-handle{color:#71767b;font-size:14px;font-weight:600}
.xe-x{width:20px;height:20px;color:#e7e9ea;flex:none}
.xe-text{margin:13px 0 10px;font-size:20px;line-height:1.4;
  color:#e7e9ea;font-weight:500}
.xe-meta{font-size:13px;color:#71767b;font-weight:600}
.xe-meta b{color:#e7e9ea;font-weight:800}
.xe-acts{display:flex;gap:26px;margin-top:12px;padding-top:12px;
  border-top:1px solid #2f3336;color:#71767b}
.xe-acts span{display:flex;align-items:center;gap:7px;
  font-size:13px;font-weight:600}
.xe-acts svg{width:17px;height:17px;flex:none}

/* music control — small glass pill, bottom-left */
.music-ctl{position:fixed;left:14px;bottom:14px;z-index:60;
  display:inline-flex;align-items:center;gap:8px;width:auto;
  padding:6px 12px 6px 7px;border-radius:99px;
  background:var(--glass);backdrop-filter:var(--blur);
  -webkit-backdrop-filter:var(--blur);
  border:1px solid var(--glass-brd);box-shadow:var(--sh-soft)}
.mc-btn{display:flex;align-items:center;justify-content:center;
  width:26px;height:26px;border-radius:50%;cursor:pointer;border:0;
  flex:none;color:#fff;
  background:linear-gradient(180deg,var(--accent-2),var(--accent))}
.mc-btn svg{width:11px;height:11px}
.mc-btn .ic-pause{display:none}
.music-ctl.playing .mc-btn .ic-play{display:none}
.music-ctl.playing .mc-btn .ic-pause{display:block}
.mc-vol{-webkit-appearance:none;appearance:none;width:56px;height:4px;flex:none;
  border-radius:99px;background:rgba(20,52,82,.22);cursor:pointer}
.mc-vol::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;
  width:14px;height:14px;border-radius:50%;background:var(--accent);
  border:2px solid #fff;box-shadow:var(--sh-soft)}
.mc-vol::-moz-range-thumb{width:14px;height:14px;border-radius:50%;
  background:var(--accent);border:2px solid #fff}


@media(max-width:640px){
  section{padding:30px 16px;margin:14px auto}
  .stats{grid-template-columns:1fr}
  .share-btn{padding:13px 34px}
}
/* Graceful fallback: if backdrop-filter is unsupported the panels
   still render as solid-ish translucent white (readable, just less
   frosty) — bump opacity so text contrast holds without the blur. */
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .lore,.how,.board,.feed,.stat,.fc,.hero-cycle,.hero-ca,.board-wrap,
  .board-table thead th{background:rgba(255,255,255,.86)}
}
@media(prefers-reduced-motion:reduce){
  .hero-cat .sway,.hero-cat .bob,.hero-cat .cat,.hero-cat .shadow,
  .pulse,.cloud-layer .strip,.scroll-hint{animation:none!important}
}