:root{--bg:#0b0b0f;--fg:#f6f7fb;--muted:#9aa2b1;--accent:#ffd166;--card:#14151b;--ink:#222;--ok:#06d6a0;--bad:#ef476f}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,'Noto Sans','Helvetica Neue',Arial;line-height:1.5;color:var(--fg);background:radial-gradient(1200px 800px at 10% -10%,#1c2030,transparent),var(--bg);background-attachment:fixed}
main{max-width:900px;margin:40px auto;padding:0 16px}
h1{font-size:clamp(28px,6vw,54px);margin:0 0 8px;font-weight:800}
.tagline{color:var(--muted);margin:0 0 24px}
form{display:flex;gap:8px;align-items:center;margin:16px 0 8px}
input[type=text]{flex:1;min-width:200px;padding:12px 14px;border-radius:10px;border:1px solid #2a2e3a;background:var(--card);color:var(--fg);outline:none}
input[type=text]::placeholder{color:#6c7487}
button{padding:12px 16px;border-radius:10px;border:0;background:var(--accent);color:#000;font-weight:700;cursor:pointer}
button:hover{filter:brightness(0.95)}
#message{margin:8px 0 16px;font-size:18px}
#results h2{margin:16px 0 8px}
ol{list-style:decimal inside;padding:0;margin:0;display:flex;flex-direction:column;gap:16px}
li{background:var(--card);border:1px solid #2a2e3a;border-radius:12px;padding:12px 16px}
.meta{color:var(--muted);font-size:14px;margin-bottom:8px}
blockquote{margin:0;color:var(--fg)}
.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}
footer{max-width:900px;margin:40px auto;padding:0 16px;color:var(--muted)}
.fallback{margin-top:8px;color:var(--muted)}
mark{background:rgba(255,209,102,.35)}

/* Share card (screenshot-ready) */
#share[hidden]{display:none}
.share-card{position:relative;display:grid;grid-template-rows:1fr auto;gap:12px;margin:24px auto;padding:18px;border-radius:16px;background:linear-gradient(135deg,rgba(255,255,255,.05),rgba(255,255,255,.02)),radial-gradient(1200px 800px at 10% -10%,rgba(52,61,89,.5),transparent) no-repeat,var(--card);border:1px solid #2a2e3a;box-shadow:0 12px 40px rgba(0,0,0,.35);width:clamp(280px,90vw,640px);aspect-ratio:3/2;overflow:hidden}
.share-top{display:none}
.share-top .badge{display:none}
.share-row{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:0;margin:12px 0;min-height:0}
.stamp-wrap{display:flex;flex-direction:column;align-items:center;gap:2px}
.stamp{font-weight:900;font-size:clamp(28px,8vw,64px);letter-spacing:.06em;transform:rotate(-6deg);padding:6px 12px;border-radius:10px;color:#000;text-shadow:0 2px 0 rgba(0,0,0,.15)}
.stamp.yes{background:var(--ok);box-shadow:0 6px 0 #059d7a}
.stamp.no{background:var(--bad);box-shadow:0 6px 0 #b83855}
.stamp-sub{display:inline-block;font-weight:800;font-size:clamp(12px,2.6vw,16px);letter-spacing:.08em;text-transform:uppercase;color:rgba(0,0,0,.85);background:rgba(255,255,255,.85);padding:4px 8px;border-radius:8px;transform:rotate(-6deg)}
.share-word{grid-column:1;justify-self:center;text-align:center;font-size:clamp(28px,8vw,64px);font-weight:900;line-height:1.05;word-break:normal;white-space:nowrap;hyphens:none;overflow:hidden;padding-right:0}
.stamp-wrap{grid-column:2;justify-self:center;align-self:center;position:static;transform:rotate(-6deg)}

/* Compact stacking for small widths */
@media (max-width: 520px){
  .share-card{aspect-ratio:auto;padding-top:24px}
  .share-row{display:flex;flex-direction:column;gap:12px;min-height:auto;align-items:center;margin:12px 0}
  .share-word{padding-right:0;text-align:center;justify-self:center;width:100%;white-space:normal}
  .stamp-wrap{position:static;transform:rotate(-6deg);align-items:center;justify-self:center}
}
.share-sub{color:var(--muted);margin-top:12px}

/* Confetti */
.confetti{position:fixed;inset:0;pointer-events:none;overflow:hidden;z-index:999}
.confetti .particle{position:absolute;width:10px;height:14px;opacity:.9;will-change:transform}
@keyframes confetti-fall{0%{transform:translateY(-10vh) rotateZ(0)}100%{transform:translateY(110vh) rotateZ(720deg)}}
@keyframes confetti-spin{0%{transform:rotateX(0)}100%{transform:rotateX(720deg)}}

/* Fun highlight shimmer for <mark> */
mark{background:linear-gradient(90deg,rgba(255,209,102,.55),rgba(255,209,102,.25));padding:0 2px;border-radius:3px}