/* ══════════════════════════════════════════════════════════════
   U3DS — the cathedral archive
   Deltarune-ish palette + CRT pixel treatment. All graphics original.
   ══════════════════════════════════════════════════════════════ */

:root{
  /* dark-world palette */
  --void:#000a1a;
  --void2:#02101f;
  --panel:#061426;
  --panel2:#0a1c30;
  --line:#14314d;
  --line2:#1d4568;
  --ink:#dff1ff;
  --dim:#8fb4d4;
  --dimmer:#5c7f9e;

  /* dark-world accents */
  --cyan:#4de3ff;
  --cyan-d:#1b8fb8;
  --magenta:#ff5fd2;
  --magenta-d:#b02f8f;
  --yellow:#ffe14d;
  --lime:#a6ff5f;
  --red:#ff6b6b;

  /* light-world accents (kept for links/buttons) */
  --gold:#e8c37a;
  --gold-d:#8a7135;

  /* Pixel display face: built from this project's own bitmap font table
     (src/n3ds/main.c). No third-party font is bundled. */
  --px:"U3DS Pixel",ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --mono:"U3DS Pixel",ui-monospace,"SF Mono",Menlo,Consolas,"DejaVu Sans Mono",monospace;
  --sans:"U3DS Pixel",ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --radius:2px;
}

/* ── the bundled pixel face ─────────────────────────────────── */
@font-face{
  font-family:"U3DS Pixel";
  /* version query: busts cached font failures when the file is rebuilt */
  src:url("u3ds-pixel.ttf?v=4") format("truetype");
  font-weight:400;
  font-style:normal;
  font-display:swap;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--void);color:var(--ink);
  font-family:var(--sans);line-height:1.75;
  -webkit-font-smoothing:none;font-smooth:never;
  text-rendering:geometricPrecision;
  overflow-x:hidden;position:relative;
}

/* ── CRT chrome ─────────────────────────────────────────────── */
.scanlines{
  position:fixed;inset:0;pointer-events:none;z-index:9999;
  background:repeating-linear-gradient(
    180deg,
    rgba(0,0,0,0.16) 0px, rgba(0,0,0,0.16) 1px,
    rgba(0,0,0,0) 1px, rgba(0,0,0,0) 3px
  );
  mix-blend-mode:multiply;
}
.pixelgrid{
  position:fixed;inset:0;pointer-events:none;z-index:1;
  background-image:
    linear-gradient(rgba(77,227,255,0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(77,227,255,0.028) 1px, transparent 1px);
  background-size:4px 4px;
}

code{
  font-family:var(--mono);font-size:.92em;background:#02101f;
  padding:.14em .4em;border:1px solid var(--line);color:var(--cyan);
  border-radius:0;
}
a{color:var(--cyan);text-decoration:none;border-bottom:2px solid rgba(77,227,255,.3)}
a:hover{border-bottom-color:var(--cyan);background:rgba(77,227,255,.08)}
b{color:#fff}

/* ── hero ───────────────────────────────────────────────────── */
.hero{
  position:relative;z-index:2;overflow:hidden;border-bottom:3px solid var(--line);
  background:
    radial-gradient(900px 420px at 50% -12%, #0a2540 0%, transparent 72%),
    linear-gradient(180deg,#02101f,#000a1a);
}
.hero::after{ /* stained-glass wedges, very dark */
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    conic-gradient(from 210deg at 50% -5%,
      rgba(255,95,210,.10), transparent 22%,
      rgba(77,227,255,.10) 42%, transparent 62%,
      rgba(255,225,77,.07) 80%, transparent 95%);
  mask-image:linear-gradient(180deg,#000 0%,#000 60%,transparent 100%);
}
.hero-inner{position:relative;z-index:3;max-width:940px;margin:0 auto;padding:78px 22px 64px;text-align:center}
.logo{image-rendering:pixelated;width:96px;height:96px;margin:0 0 22px;
  filter:drop-shadow(0 0 14px rgba(77,227,255,.35))}
.eyebrow{
  font-family:var(--mono);font-size:.82rem;letter-spacing:.18em;color:var(--cyan-d);
  margin:0 0 20px;text-transform:uppercase;
}
.hero h1{
  font-family:var(--px);
  font-size:clamp(2.2rem,6.6vw,4.2rem);line-height:1.04;margin:0 0 20px;
  letter-spacing:.02em;
  color:#fff;
  text-shadow:3px 3px 0 var(--magenta-d), 6px 6px 0 rgba(0,0,0,.55);
}
.hero h1 span{
  display:block;font-family:var(--mono);
  font-size:.2em;letter-spacing:.36em;font-weight:600;
  color:var(--dim);margin-top:22px;text-transform:uppercase;text-shadow:none;
}
.lede{max-width:640px;margin:0 auto 32px;color:var(--dim);font-size:1.04rem}
.lede b{color:var(--ink)}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn{
  display:inline-block;padding:12px 22px;border:3px solid var(--line2)!important;
  background:var(--panel2);color:var(--ink);font-weight:700;font-size:.9rem;
  font-family:var(--mono);letter-spacing:.04em;
  border-radius:0;transition:none;  /* pixel UI: no easing */
  box-shadow:4px 4px 0 rgba(0,0,0,.55);
}
.btn:hover{background:#12314f;color:#fff;transform:translate(-1px,-1px);box-shadow:6px 6px 0 rgba(0,0,0,.55)}
.btn:active{transform:translate(2px,2px);box-shadow:2px 2px 0 rgba(0,0,0,.55)}
.btn-primary{
  background:var(--magenta);border-color:#ff9fe4!important;color:#20001a;
  text-shadow:none;
}
.btn-primary:hover{background:#ff86dd;color:#20001a}
.banner-note{margin:28px 0 0;font-family:var(--mono);font-size:.78rem;letter-spacing:.14em;color:var(--dimmer)}

/* ── layout ─────────────────────────────────────────────────── */
main{max-width:1040px;margin:0 auto;padding:0 22px;position:relative;z-index:2}
.section{padding:70px 0;border-bottom:1px solid rgba(77,227,255,.09)}
.section h2{
  font-family:var(--px);font-size:clamp(1rem,2.4vw,1.4rem);line-height:1.5;
  margin:0 0 14px;color:#fff;
  text-shadow:2px 2px 0 var(--cyan-d);
}
.section h2 .num{font-family:var(--mono);font-size:.75em;color:var(--magenta);margin-right:10px;text-shadow:none}
.sub{color:var(--dim);max-width:760px;margin:0 0 30px}

/* ── spamton ─────────────────────────────────────────────────── */
.spamton{margin:0 0 6px}
.spamton-box{
  border:3px solid var(--magenta);
  background:linear-gradient(180deg,#1a0620,#0c0213);
  box-shadow:6px 6px 0 rgba(255,95,210,.18);
}
.spamton-head{
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  padding:10px 16px;background:rgba(255,95,210,.13);border-bottom:3px solid var(--magenta-d);
}
.spamton-name{font-family:var(--px);font-size:.8rem;letter-spacing:.04em;color:var(--magenta);text-shadow:2px 2px 0 #4a0033}
.spamton-tag{font-size:.78rem;letter-spacing:.12em;color:var(--yellow)}
.spamton-body{padding:18px 20px 22px}
.spamton-body p{margin:0 0 14px}
.spamton-body p:last-child{margin-bottom:0}
.spamton.small .spamton-box{max-width:700px;margin:0 auto 36px}
.hl{color:var(--yellow);font-weight:700}
.blink{animation:blink 1.2s steps(2,start) infinite;color:var(--yellow);font-weight:800}
@keyframes blink{50%{opacity:.2}}

/* ── converter ──────────────────────────────────────────────── */
.converter{display:grid;gap:18px}
.drop{
  position:relative;border:3px dashed var(--line2);background:linear-gradient(180deg,#04101e,#02101f);
  cursor:pointer;transition:none;
}
.drop:hover{border-color:var(--cyan-d);background:#061426}
.drop.over{border-color:var(--magenta);background:#160419}
.drop-inner{padding:46px 22px;text-align:center}
.drop-icon{font-size:1.6rem;color:var(--cyan-d);margin-bottom:10px;font-family:var(--px)}
.drop-title{margin:0;font-size:1.1rem;font-weight:700}
.drop-sub{margin:8px 0 0;color:var(--dim)}
.drop-hint{margin:16px 0 0;font-size:.84rem;color:var(--dimmer)}
.link{
  background:none;border:0;border-bottom:2px solid rgba(77,227,255,.4);
  color:var(--cyan);cursor:pointer;font:inherit;padding:0;
}
.link:hover{background:rgba(77,227,255,.08)}
.report{border:3px solid var(--line2);background:var(--panel);padding:20px}
.report h3{
  margin:0 0 14px;font-family:var(--px);font-size:.82rem;color:#fff;
  text-shadow:2px 2px 0 var(--cyan-d);
}
.kv{width:100%;border-collapse:collapse;font-family:var(--mono);font-size:.82rem}
.kv td{padding:7px 0;border-bottom:1px solid rgba(77,227,255,.1);vertical-align:top}
.kv td:first-child{color:var(--dim);white-space:nowrap;padding-right:16px;width:42%}
.kv td:last-child{color:var(--ink);word-break:break-word}
.verdict{margin-top:16px;padding:13px 15px;font-weight:700;font-size:.9rem;border-left:4px solid}
.verdict.ok{background:rgba(166,255,95,.1);border-color:var(--lime);color:var(--lime)}
.verdict.bad{background:rgba(255,107,107,.1);border-color:var(--red);color:var(--red)}
.verdict.warn{background:rgba(255,225,77,.1);border-color:var(--yellow);color:var(--yellow)}

.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(228px,1fr));gap:16px;margin-top:30px}
.step{border:3px solid var(--line);background:var(--panel);padding:18px}
.step-n{
  display:inline-grid;place-items:center;width:26px;height:26px;
  background:var(--cyan);color:#00131f;font-weight:800;font-size:.82rem;margin-bottom:10px;
  font-family:var(--mono);box-shadow:3px 3px 0 rgba(0,0,0,.5);
}
.step h4{margin:0 0 8px;font-size:.98rem;color:#fff}
.step p{margin:8px 0 0;color:var(--dim);font-size:.88rem}
.step pre{margin:10px 0 0}
.step pre code{
  display:block;padding:10px 12px;background:#02101f;border:1px solid var(--line);
  overflow-x:auto;font-size:.8rem;
}
.notice{
  margin-top:28px;padding:16px 18px;
  background:rgba(77,227,255,.06);border:3px solid var(--cyan-d);color:var(--dim);font-size:.88rem;
}
.notice b{color:var(--cyan)}

/* ── archive cards ───────────────────────────────────────────── */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(296px,1fr));gap:16px}
.card{
  border:3px solid var(--line);background:var(--panel);padding:20px;transition:none;
}
.card:hover{border-color:var(--line2);background:var(--panel2)}
.card h3{
  margin:0 0 12px;font-family:var(--px);font-size:.78rem;line-height:1.6;
  color:var(--cyan);text-shadow:2px 2px 0 #04303f;
}
.card p{margin:0 0 12px;color:var(--dim);font-size:.92rem}
.card p:last-child{margin-bottom:0}
.card ul{margin:0;padding-left:18px;color:var(--dim);font-size:.92rem}
.card li{margin-bottom:10px}
.card li b{color:var(--ink)}
.flow{
  background:#02101f;border:1px solid var(--line);
  padding:13px 15px;overflow-x:auto;font-size:.8rem;color:var(--lime);
  margin:0 0 12px;font-family:var(--mono);line-height:1.7;
}

/* ── code ────────────────────────────────────────────────────── */
pre.code{background:#02101f;border:3px solid var(--line);padding:18px;overflow-x:auto}
pre.code code{background:none;padding:0;border:0;color:var(--ink);font-size:.8rem;line-height:1.75}
.linkrow{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}

/* ── legal ───────────────────────────────────────────────────── */
.legal{border:3px solid var(--line);background:var(--panel);padding:22px}
.legal p{margin:0 0 14px;color:var(--dim);font-size:.92rem}
.legal p:last-child{margin:0}
.legal .egg{text-align:center;font-size:1.5rem;margin-top:16px}

footer{
  border-top:3px solid var(--line);padding:26px 22px;text-align:center;position:relative;z-index:2;
}
footer p{margin:0;font-size:.8rem;letter-spacing:.1em;color:var(--dimmer)}
footer b{color:var(--magenta)}
footer .fork{
  margin-top:8px;
  font-size:.72rem;
  letter-spacing:.08em;
  color:#41607c;
}

@media (max-width:600px){
  .hero-inner{padding:56px 16px 44px}
  .section{padding:52px 0}
  .drop-inner{padding:34px 14px}
  .hero h1{text-shadow:2px 2px 0 var(--magenta-d), 4px 4px 0 rgba(0,0,0,.5)}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important}
}
/* keep the scanlines from washing out on very high-DPI or printing */
@media print{.scanlines,.pixelgrid{display:none}}