/* quiz engine — premium shared styling. Per-niche accent via --accent / --accent2. */
:root{ --bg:#070512; --card:#140d2a; --line:rgba(255,255,255,.09); --txt:#efeafd; --mut:#a99fc4;
  --accent:#34d399; --accent2:#8b5cf6; --grad:linear-gradient(135deg,var(--accent),var(--accent2)); }
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:system-ui,'Segoe UI',sans-serif;background:var(--bg);color:var(--txt);
  min-height:100vh;line-height:1.5;overflow-x:hidden;-webkit-font-smoothing:antialiased}
.glow{position:fixed;border-radius:999px;filter:blur(130px);opacity:.38;z-index:0;pointer-events:none}
.stage{max-width:600px;margin:0 auto;padding:26px 20px 60px;position:relative;z-index:1;min-height:100vh;
  display:flex;flex-direction:column;justify-content:center}
.brand{position:fixed;top:16px;left:0;right:0;text-align:center;font-weight:800;font-size:15px;z-index:2;color:var(--mut)}
.brand b{color:var(--txt)}
/* progress */
.bar{height:6px;background:rgba(255,255,255,.08);border-radius:99px;overflow:hidden;margin-bottom:26px}
.bar i{display:block;height:100%;width:0;background:var(--grad);border-radius:99px;transition:width .4s cubic-bezier(.4,0,.2,1)}
/* cards / screens */
.screen{animation:rise .45s cubic-bezier(.2,.7,.3,1)}
@keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.eyebrow{font-size:12px;letter-spacing:2.5px;font-weight:800;color:var(--accent);text-transform:uppercase}
h1{font-size:clamp(30px,6.5vw,46px);font-weight:900;letter-spacing:-1.5px;line-height:1.05;margin:10px 0 14px}
.lead{color:var(--mut);font-size:clamp(15px,2.4vw,18px);margin-bottom:26px}
.q{font-size:clamp(21px,4.5vw,28px);font-weight:800;letter-spacing:-.5px;margin-bottom:22px;line-height:1.2}
/* options */
.opts{display:flex;flex-direction:column;gap:12px}
.opt{display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--line);
  border-radius:16px;padding:17px 18px;cursor:pointer;text-align:left;color:inherit;font-size:16px;font-weight:600;
  font-family:inherit;transition:transform .15s,border-color .15s,background .15s}
.opt:hover{transform:translateY(-2px);border-color:var(--accent);background:#191040}
.opt .em{font-size:24px;flex-shrink:0}
.opt:active{transform:scale(.99)}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:none;cursor:pointer;
  font-family:inherit;font-weight:800;border-radius:15px;background:var(--grad);color:#fff;
  padding:0 28px;height:56px;font-size:17px;width:100%;box-shadow:0 14px 34px -12px var(--accent);
  transition:transform .15s,filter .15s}
.btn:hover{transform:translateY(-2px);filter:brightness(1.07)}
.btn.ghost{background:rgba(255,255,255,.05);border:1px solid var(--line);box-shadow:none;color:var(--txt)}
/* email gate */
.gate input{width:100%;height:56px;border-radius:15px;border:1px solid var(--line);background:rgba(0,0,0,.35);
  color:#fff;padding:0 16px;font-size:16px;font-family:inherit;outline:none;margin-bottom:12px}
.gate input:focus{border-color:var(--accent)}
.gate .fine{color:var(--mut);font-size:12.5px;margin-top:12px}
.msg{font-size:14px;margin-top:10px;min-height:18px;color:var(--accent);font-weight:700}
/* result */
.rcard{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:30px 26px;text-align:center;
  box-shadow:0 30px 70px -30px var(--accent)}
.rcard .big{font-size:64px;line-height:1;margin-bottom:8px}
.rcard h2{font-size:clamp(26px,5.5vw,38px);font-weight:900;letter-spacing:-1px;margin-bottom:10px}
.rcard h2 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.rcard p{color:#d8cdf0;font-size:15.5px;margin-bottom:14px}
.codepill{display:inline-block;border:1px dashed var(--accent);color:var(--accent);font-weight:800;
  letter-spacing:2px;border-radius:10px;padding:8px 18px;margin:6px 0 18px;font-size:15px}
.share{margin-top:14px;background:none;border:none;color:var(--mut);font-size:13.5px;font-weight:700;cursor:pointer;text-decoration:underline}
.foot{text-align:center;color:#6b6488;font-size:12.5px;margin-top:26px}
.foot a{color:var(--accent2)}
/* graded game (phonics) */
.gamehead{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;font-weight:800}
.gamehead .qcount{font-size:13px;letter-spacing:1.5px;text-transform:uppercase;color:var(--mut)}
.gamehead .qscore{font-size:15px;color:var(--accent);background:rgba(34,197,94,.12);border:1px solid var(--line);border-radius:99px;padding:5px 14px}
.opt.done{cursor:default}
.opt.done:hover{transform:none}
.opt.right{border-color:#22c55e;background:rgba(34,197,94,.16);box-shadow:0 0 0 1px #22c55e inset}
.opt.wrong{border-color:#f87171;background:rgba(248,113,113,.14)}
.fb{min-height:24px;margin-top:14px;text-align:center;font-weight:800;font-size:15px;animation:rise .3s}
.fb.good{color:#34d399}
.fb.bad{color:#fca5a5}