@import url(fonts.css);

:root{
  --violet:#6c5cff; --violet-d:#4b3fd1;
  --sky:#38c6ff; --sky-d:#1a93cc;
  --pink:#ff5c9d; --pink-d:#d23778;
  --yellow:#ffc53d; --yellow-d:#d79a10;
  --mint:#23d9a0; --mint-d:#12a577;
  --ink:#1f1a4d; --ink-soft:#5b5a86;
  --card:#ffffff; --glass:rgba(255,255,255,.18);
  --gold:#ffcf4a; --silver:#cfd8ea; --bronze:#f0a46a;
  --r:28px;
  --font:'Fredoka','Nunito',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font2:'Nunito','Fredoka',system-ui,-apple-system,'Segoe UI',sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%}
body{
  font-family:var(--font2); color:var(--ink); font-weight:700;
  background:linear-gradient(160deg,#7a5cff 0%,#5a8bff 40%,#3fc8ff 75%,#8ff0ff 100%) fixed;
  min-height:100vh; min-height:100dvh; overflow-x:hidden;
  -webkit-tap-highlight-color:transparent;
}
h1,h2,h3,.fred{font-family:var(--font);font-weight:600;margin:0;letter-spacing:.2px}
button,input,select{font:inherit;color:inherit}
[hidden]{display:none!important}

/* ---------- Background: bubbles + skyline ---------- */
.sky-deco{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}
.bubble{position:absolute;bottom:-120px;border-radius:50%;
  background:radial-gradient(circle at 30% 28%,rgba(255,255,255,.9) 0 8%,rgba(255,255,255,.28) 9% 40%,rgba(255,255,255,.08) 70%);
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.35);
  animation:rise linear infinite}
@keyframes rise{0%{transform:translate(0,0) scale(.8);opacity:0}10%{opacity:1}
  50%{transform:translate(30px,-55vh) scale(1)}100%{transform:translate(-20px,-115vh) scale(1.1);opacity:0}}
.cloud{position:absolute;height:34px;border-radius:40px;background:rgba(255,255,255,.55);animation:drift linear infinite}
.cloud::before,.cloud::after{content:"";position:absolute;background:inherit;border-radius:50%}
.cloud::before{width:44px;height:44px;left:18px;top:-22px}
.cloud::after{width:30px;height:30px;left:52px;top:-14px}
@keyframes drift{from{transform:translateX(-160px)}to{transform:translateX(110vw)}}
.city{position:absolute;left:0;right:0;bottom:0;height:min(26vh,230px);width:100%}
.drone{position:absolute;font-size:26px;animation:hover 3.5s ease-in-out infinite}
@keyframes hover{0%,100%{transform:translateY(0) rotate(-4deg)}50%{transform:translateY(-14px) rotate(4deg)}}
.win{animation:blink 3s ease-in-out infinite}
@keyframes blink{0%,100%{opacity:.95}50%{opacity:.35}}

.app{position:relative;z-index:1}

/* ---------- Generic UI ---------- */
.card{background:var(--card);border-radius:var(--r);padding:24px;
  box-shadow:0 10px 0 rgba(40,30,120,.18),0 24px 50px rgba(30,20,110,.25)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:0;cursor:pointer;
  padding:14px 26px;border-radius:999px;font-family:var(--font);font-weight:600;font-size:20px;
  color:#fff;background:var(--violet);box-shadow:0 6px 0 var(--violet-d);
  transition:transform .08s,box-shadow .08s,filter .15s;user-select:none;text-decoration:none}
.btn:hover{filter:brightness(1.07)}
.btn:active{transform:translateY(5px);box-shadow:0 1px 0 var(--violet-d)}
.btn:disabled{filter:grayscale(.6) opacity(.6);cursor:not-allowed}
.btn.pink{background:var(--pink);box-shadow:0 6px 0 var(--pink-d)}
.btn.mint{background:var(--mint);box-shadow:0 6px 0 var(--mint-d)}
.btn.sky{background:var(--sky);box-shadow:0 6px 0 var(--sky-d)}
.btn.yellow{background:var(--yellow);box-shadow:0 6px 0 var(--yellow-d);color:#4a2f00}
.btn.ghost{background:rgba(255,255,255,.22);box-shadow:0 5px 0 rgba(255,255,255,.18);backdrop-filter:blur(6px)}
.btn.white{background:#fff;color:var(--violet);box-shadow:0 6px 0 #d7d2ff}
.btn.big{font-size:26px;padding:18px 38px}
.btn.block{width:100%}
.btn.sm{font-size:16px;padding:9px 18px;box-shadow:0 4px 0 var(--violet-d)}
.btn.sm.ghost{box-shadow:0 4px 0 rgba(255,255,255,.18)}
.input{width:100%;border:3px solid #e6e3ff;background:#f7f6ff;border-radius:20px;padding:16px 18px;
  font-family:var(--font);font-size:24px;text-align:center;outline:none;transition:border-color .15s,box-shadow .15s}
.input:focus{border-color:var(--violet);box-shadow:0 0 0 6px rgba(108,92,255,.15)}
.pill{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;
  background:rgba(255,255,255,.25);color:#fff;font-family:var(--font);font-weight:600;backdrop-filter:blur(6px)}
.muted{color:var(--ink-soft)}
.center{text-align:center}
.shake{animation:shake .4s}
@keyframes shake{20%,60%{transform:translateX(-8px)}40%,80%{transform:translateX(8px)}}
.pop-in{animation:popin .45s cubic-bezier(.2,1.6,.4,1) both}
@keyframes popin{from{transform:scale(.4);opacity:0}to{transform:scale(1);opacity:1}}
.float{animation:floaty 3s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.toast{position:fixed;left:50%;top:18px;transform:translateX(-50%);z-index:50;background:var(--ink);color:#fff;
  padding:12px 22px;border-radius:999px;font-family:var(--font);box-shadow:0 10px 30px rgba(0,0,0,.25);
  animation:popin .3s both}

/* ---------- Robot avatar (selfie inside the helmet visor) ---------- */
.bot{position:relative;aspect-ratio:560/805;width:120px;flex:none}
.bot>img.body{position:absolute;inset:0;width:100%;height:100%;display:block;
  filter:drop-shadow(0 8px 10px rgba(20,10,80,.25))}
.bot .face{position:absolute;left:27.2%;top:5.5%;width:44.4%;height:29.9%;border-radius:50%;overflow:hidden;background:#111}
.bot .face img,.bot .face video,.bot .face canvas{width:100%;height:100%;object-fit:cover;display:block}
.bot .face::after{content:"";position:absolute;inset:0;border-radius:50%;pointer-events:none;
  background:radial-gradient(ellipse 38% 26% at 70% 20%,rgba(255,255,255,.55),transparent 70%),
             radial-gradient(ellipse at 50% 50%,transparent 62%,rgba(10,20,60,.45) 100%)}
.bot.dance{animation:dance 1.4s ease-in-out infinite}
@keyframes dance{0%,100%{transform:rotate(-4deg) translateY(0)}50%{transform:rotate(4deg) translateY(-8px)}}
.bot-head{position:relative;width:48px;aspect-ratio:1;flex:none}
.bot-head .face{position:absolute;inset:0;border-radius:50%;overflow:hidden;
  box-shadow:0 0 0 3px #e8b53b,0 0 0 6px #eef0f7,0 4px 10px rgba(0,0,0,.2)}
.bot-head .face img{width:100%;height:100%;object-fit:cover}

/* ---------- Answer tiles ---------- */
.answers{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.ans{position:relative;border:0;border-radius:24px;padding:18px 18px 18px 64px;min-height:96px;text-align:left;color:#fff;
  font-family:var(--font);font-weight:500;font-size:19px;line-height:1.25;cursor:pointer;
  transition:transform .1s,box-shadow .1s,opacity .3s,filter .3s;display:flex;align-items:center}
.ans .shape{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:36px;height:36px;display:grid;place-items:center;
  background:rgba(255,255,255,.25);border-radius:12px;font-size:20px}
.ans:active{transform:translateY(5px)}
.a0{background:var(--pink);box-shadow:0 7px 0 var(--pink-d)}
.a1{background:var(--sky);box-shadow:0 7px 0 var(--sky-d)}
.a2{background:var(--yellow);box-shadow:0 7px 0 var(--yellow-d);color:#4a2f00}
.a3{background:var(--mint);box-shadow:0 7px 0 var(--mint-d)}
.ans.dim{filter:grayscale(.9) brightness(1.25) contrast(.7);color:rgba(40,40,70,.55);box-shadow:0 7px 0 rgba(0,0,0,.12)}
.ans.right{outline:5px solid #fff;outline-offset:3px}
.ans .tick{margin-left:auto;padding-left:10px;font-size:28px}

/* ---------- Timer ring ---------- */
.ring{--p:1;position:relative;width:110px;height:110px;border-radius:50%;flex:none;
  background:conic-gradient(#fff calc(var(--p)*360deg),rgba(255,255,255,.22) 0);display:grid;place-items:center;
  box-shadow:0 8px 20px rgba(20,10,80,.25)}
.ring::before{content:"";position:absolute;inset:10px;border-radius:50%;background:var(--violet)}
.ring b{position:relative;font-family:var(--font);font-size:44px;color:#fff}
.ring.hurry::before{background:var(--pink)}
.ring.hurry{animation:pulse .5s ease-in-out infinite alternate}
@keyframes pulse{to{transform:scale(1.06)}}

/* ---------- Leaderboard rows ---------- */
.lb{display:flex;flex-direction:column;gap:12px}
.lb-row{display:flex;align-items:center;gap:16px;background:#fff;border-radius:22px;padding:10px 20px 10px 12px;
  box-shadow:0 6px 0 rgba(40,30,120,.15);transition:transform .7s cubic-bezier(.3,1.3,.5,1)}
.lb-rank{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;flex:none;
  font-family:var(--font);font-size:22px;background:#efedff;color:var(--violet)}
.lb-row:nth-child(1) .lb-rank{background:var(--gold);color:#6b4a00}
.lb-row:nth-child(2) .lb-rank{background:var(--silver);color:#3a4666}
.lb-row:nth-child(3) .lb-rank{background:var(--bronze);color:#6a3510}
.lb-name{font-family:var(--font);font-size:24px;font-weight:600;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lb-score{font-family:var(--font);font-size:26px;font-weight:600;color:var(--violet)}
.lb-move{font-size:15px;font-weight:800;min-width:42px;text-align:center}
.up{color:var(--mint-d)} .down{color:var(--pink-d)}

@media (max-width:640px){.drone{display:none}}