/* Layout: snow runs down a hidden ice crystal, uncovering it; name, line and link sit small at its center */
:root{
  --bg:#eef3f6; --panel:#e1e9ef; --far:#a3b4c2; --near:#6f8699; --frost:#23384a; --glint:#ffffff; --glacier:#2f86ad; --muted:#56687a; --blood:#a3182b;
  --mono:"JetBrains Mono",ui-monospace,Consolas,monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0d141b; --panel:#16212b; --far:#2c3d4c; --near:#7f97ab; --frost:#cfe3f0; --glint:#ffffff; --glacier:#6fb7d6; --muted:#8a9aa8; --blood:#c8303f; color-scheme:dark}}
:root[data-theme="dark"]{--bg:#0d141b; --panel:#16212b; --far:#2c3d4c; --near:#7f97ab; --frost:#cfe3f0; --glint:#ffffff; --glacier:#6fb7d6; --muted:#8a9aa8; --blood:#c8303f; color-scheme:dark}
html,body{height:100%}
body{background:var(--bg);color:var(--frost);font-family:var(--mono);overflow:hidden}
canvas{position:fixed;inset:0;width:100%;height:100%;display:block}
.hero{position:fixed;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));
  text-align:center;pointer-events:none;font-size:13px;opacity:0;transition:opacity .4s}
.hero.on{opacity:1}
.hero h1{margin:0;font-size:14px;font-weight:700;color:var(--frost);background:var(--bg);padding:0 4px}
.hero p{margin:0;color:var(--muted);background:var(--bg);padding:0 4px}
.hero p b{font-weight:400;color:var(--glacier)}
.hero span{transition:color 1.5s}
.socials{display:flex;gap:18px;margin-top:14px}
.hero a{pointer-events:auto;color:var(--glacier);text-decoration:none;background:var(--bg);padding:2px 6px}
.hero a:hover,.hero a:focus-visible{color:var(--frost);outline:1px solid var(--glacier)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.hero h1{pointer-events:auto;user-select:none;-webkit-user-select:none} /* three quick taps open the terminal */

/* achievement popup: a dark game-style panel in both themes, on purpose */
.toasts{position:fixed;z-index:6;top:calc(16px + env(safe-area-inset-top,0px));left:max(16px,env(safe-area-inset-left,0px));
  display:flex;flex-direction:column;align-items:flex-start;gap:8px;max-width:calc(100% - 32px);pointer-events:none}
.toast{display:flex;align-items:center;gap:12px;padding:10px 18px 10px 10px;max-width:100%;
  background:#1c1f24;color:#eef2f5;border:2px solid #5b636d;box-shadow:inset 0 0 0 2px #0b0d10,0 8px 24px rgba(0,0,0,.4);
  font-size:12px;transform:translateX(calc(-100% - 40px));transition:transform .35s cubic-bezier(.2,.8,.2,1)}
.toast.in{transform:none}
.toast-icon{display:grid;place-items:center;flex:none;width:34px;height:34px;background:#29303a;border:1px solid #3d4550;color:#9fd8f0;font-size:20px}
.toast b{display:block;margin-bottom:3px;color:#f2d46b;font-weight:700}

/* hidden terminal */
.term{position:fixed;z-index:5;left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);
  width:min(560px,calc(100% - 32px));background:var(--panel);color:var(--frost);border:1px solid var(--far);
  box-shadow:0 12px 40px rgba(0,0,0,.35);font-size:13px}
.term-bar{display:flex;justify-content:space-between;align-items:center;padding:6px 6px 6px 12px;border-bottom:1px solid var(--far);
  color:var(--muted);font-size:11px;letter-spacing:.06em}
.term-bar button{font:inherit;font-size:16px;line-height:1;padding:2px 8px;background:none;border:0;color:var(--muted);cursor:pointer}
.term-bar button:hover,.term-bar button:focus-visible{color:var(--frost);outline:1px solid var(--glacier)}
.term-out{margin:0;padding:10px 12px 0;height:180px;overflow-y:auto;white-space:pre-wrap;overflow-wrap:anywhere;font:inherit}
.term-out.playing{height:auto;white-space:pre;overflow:hidden;line-height:1.15;touch-action:none;user-select:none;-webkit-user-select:none}
.term-line{display:flex;gap:8px;padding:6px 12px 12px;color:var(--glacier)}
.term-line input{flex:1;min-width:0;font:inherit;font-size:16px;background:none;border:0;color:var(--frost);outline:none}
@media (min-width:600px){.term-line input{font-size:13px}} /* 16px on phones stops iOS zooming in on focus */