/* City quiz: a full-screen game layer with one deliberate night look in both themes */
.qz{
  --qz-bg1:#0f1530; --qz-bg2:#2a1450; --qz-bg3:#5a1e5e; --qz-ink:#f5f3ff; --qz-dim:rgba(245,243,255,.66);
  --qz-glass:rgba(255,255,255,.08); --qz-line:rgba(255,255,255,.14); --qz-gold:#ffd84a; --qz-good:#2fd27f; --qz-bad:#ff5a6e;
  --a0:#e8484f; --a1:#2d7ff9; --a2:#f2a900; --a3:#1fae6b;
  position:fixed; inset:0; z-index:2000; color:var(--qz-ink); color-scheme:dark;
  background:radial-gradient(120% 80% at 10% 0%,#3b2a8a 0%,transparent 55%),radial-gradient(90% 70% at 100% 100%,var(--qz-bg3) 0%,transparent 60%),linear-gradient(160deg,var(--qz-bg1),var(--qz-bg2));
  font-family:var(--f-display); display:flex; flex-direction:column;
  padding:calc(env(safe-area-inset-top,0px) + 12px) 16px calc(env(safe-area-inset-bottom,0px) + 16px);
  overflow:hidden; -webkit-tap-highlight-color:transparent;
}
.qz *{box-sizing:border-box}
.qz button{font-family:inherit}
.qz-top{display:flex; align-items:center; gap:12px; min-height:44px}
.qz-x{width:40px; height:40px; border-radius:50%; border:1px solid var(--qz-line); background:var(--qz-glass); color:var(--qz-ink); font-size:1.1rem; cursor:pointer; flex:none}
.qz-prog{flex:1; display:grid; grid-template-columns:repeat(20,1fr); gap:3px}
.qz-prog i{height:6px; border-radius:3px; background:var(--qz-line)}
.qz-prog i.ok{background:var(--qz-good)} .qz-prog i.no{background:var(--qz-bad)} .qz-prog i.now{background:var(--qz-ink)}
.qz-score{font:700 1rem var(--f-mono); font-variant-numeric:tabular-nums; min-width:64px; text-align:right}
.qz-screen{flex:1; display:flex; flex-direction:column; min-height:0; max-width:620px; width:100%; margin:0 auto}
.qz-scroll{overflow-y:auto; -webkit-overflow-scrolling:touch}

/* intro */
.qz-intro{justify-content:center; gap:18px; text-align:left}
.qz-kicker{font:600 .75rem var(--f-mono); letter-spacing:.14em; text-transform:uppercase; color:var(--qz-gold)}
.qz-h{font-size:clamp(2rem,9vw,3.2rem); line-height:1; margin:0; letter-spacing:-.02em; text-wrap:balance}
.qz-h em{font-style:normal; background:linear-gradient(90deg,var(--qz-gold),#ff8a5c); -webkit-background-clip:text; background-clip:text; color:transparent}
.qz-rules{display:grid; grid-template-columns:1fr 1fr; gap:8px}
.qz-rule{background:var(--qz-glass); border:1px solid var(--qz-line); border-radius:14px; padding:12px}
.qz-rule b{display:block; font-size:1.35rem}
.qz-rule span{font-size:.8rem; color:var(--qz-dim)}
.qz-name{display:grid; gap:6px}
.qz-name label{font-size:.8rem; color:var(--qz-dim)}
.qz-name input{font:600 1.05rem var(--f-display); color:var(--qz-ink); background:var(--qz-glass); border:1px solid var(--qz-line); border-radius:12px; padding:14px; outline:none}
.qz-name input:focus{border-color:var(--qz-gold)}
.qz-go{border:0; border-radius:16px; padding:18px; font:800 1.15rem var(--f-display); color:#1b1400; cursor:pointer;
  background:linear-gradient(135deg,#ffe170,#f2a900); box-shadow:0 10px 30px rgba(242,169,0,.35)}
.qz-link{border:0; background:none; color:var(--qz-dim); font:600 .9rem var(--f-display); cursor:pointer; padding:10px; text-decoration:underline; text-underline-offset:3px}

/* question */
.qz-q{gap:14px; padding-top:14px}
.qz-meta{display:flex; align-items:center; justify-content:space-between; gap:12px}
.qz-diff{font:700 .72rem var(--f-mono); letter-spacing:.1em; text-transform:uppercase; padding:6px 10px; border-radius:999px; background:var(--qz-glass); border:1px solid var(--qz-line)}
.qz-diff[data-d="1"]{color:#7ef0b0} .qz-diff[data-d="2"]{color:#7cc4ff} .qz-diff[data-d="3"]{color:#ffb35c} .qz-diff[data-d="4"]{color:#ff7a9a}
.qz-num{font:600 .85rem var(--f-mono); color:var(--qz-dim)}
.qz-stage{display:grid; grid-template-columns:1fr auto; gap:14px; align-items:center}
.qz-text{font:700 clamp(1.25rem,5.6vw,1.75rem)/1.2 var(--f-display); text-transform:none; letter-spacing:-.01em; color:var(--qz-ink); margin:0; text-wrap:balance}
.qz-ring{width:72px; height:72px; position:relative; flex:none}
.qz-ring svg{width:100%; height:100%; transform:rotate(-90deg)}
.qz-ring circle{fill:none; stroke-width:7}
.qz-ring .bg{stroke:var(--qz-line)}
.qz-ring .fg{stroke:var(--qz-gold); stroke-linecap:round; transition:stroke .2s}
.qz-ring.low .fg{stroke:var(--qz-bad)}
.qz-ring b{position:absolute; inset:0; display:grid; place-items:center; font:800 1.6rem var(--f-mono)}
.qz-ring.low b{color:var(--qz-bad)}
.qz-ring small{font:700 .7rem var(--f-mono); letter-spacing:.08em}
.qz-opts{display:grid; grid-template-columns:1fr 1fr; gap:10px; margin-top:auto}
.qz-opt{position:relative; min-height:96px; border:0; border-radius:16px; padding:14px 12px 14px 44px; text-align:left; cursor:pointer; color:#fff;
  font:700 1rem/1.2 var(--f-display); background:var(--c); box-shadow:0 5px 0 rgba(0,0,0,.28); transition:transform .12s, opacity .25s, filter .25s}
.qz-opt::before{content:attr(data-shape); position:absolute; left:14px; top:14px; font-size:1rem; opacity:.85}
.qz-opt:active{transform:translateY(3px); box-shadow:0 2px 0 rgba(0,0,0,.28)}
.qz-opt:disabled{cursor:default}
.qz-opt.dim{opacity:.28; filter:saturate(.3)}
.qz-opt.right{outline:4px solid #fff; outline-offset:2px}
.qz-opt.right::after{content:"✓"; position:absolute; right:12px; top:10px; font-size:1.3rem}
.qz-opt.wrong::after{content:"✕"; position:absolute; right:12px; top:10px; font-size:1.3rem}
.qz-opts.hide .qz-opt{opacity:0; transform:translateY(12px)}
.qz-feedback{min-height:84px; border-radius:16px; padding:12px 14px; background:var(--qz-glass); border:1px solid var(--qz-line); display:grid; gap:4px}
.qz-feedback[hidden]{display:none}
.qz-feedback .t{font-size:1.15rem; font-weight:800}
.qz-feedback.ok .t{color:var(--qz-good)} .qz-feedback.no .t{color:var(--qz-bad)}
.qz-feedback p{margin:0; font:400 .92rem/1.4 var(--f-body); color:var(--qz-dim)}
.qz-next{height:4px; border-radius:2px; background:var(--qz-line); overflow:hidden; margin-top:6px}
.qz-next i{display:block; height:100%; width:0; background:var(--qz-ink)}
.qz-pop{position:fixed; left:50%; top:38%; transform:translate(-50%,-50%); font:900 3rem var(--f-display); color:var(--qz-gold); pointer-events:none;
  text-shadow:0 6px 30px rgba(0,0,0,.45); animation:qzpop 1s ease-out forwards}
.qz-pop small{display:block; font-size:1rem; color:#fff; text-align:center}
@keyframes qzpop{0%{opacity:0; transform:translate(-50%,-30%) scale(.6)} 20%{opacity:1; transform:translate(-50%,-50%) scale(1.08)} 100%{opacity:0; transform:translate(-50%,-90%) scale(1)}}
.qz-shake{animation:qzshake .35s}
@keyframes qzshake{25%{transform:translateX(-6px)} 50%{transform:translateX(6px)} 75%{transform:translateX(-3px)}}

/* results */
.qz-res{gap:16px; padding-top:10px}
.qz-big{text-align:center; display:grid; gap:4px; padding:10px 0 4px}
.qz-big .score{font:900 clamp(3rem,15vw,4.6rem)/1 var(--f-display); font-variant-numeric:tabular-nums; background:linear-gradient(90deg,var(--qz-gold),#ff8a5c); -webkit-background-clip:text; background-clip:text; color:transparent}
.qz-big .title{font-size:1.3rem; font-weight:800}
.qz-big .sub{color:var(--qz-dim); font-size:.9rem}
.qz-stats{display:grid; grid-template-columns:repeat(3,1fr); gap:8px}
.qz-stats div{background:var(--qz-glass); border:1px solid var(--qz-line); border-radius:14px; padding:10px; text-align:center}
.qz-stats b{display:block; font:800 1.3rem var(--f-mono)} .qz-stats span{font-size:.72rem; color:var(--qz-dim)}
.qz-lb{background:var(--qz-glass); border:1px solid var(--qz-line); border-radius:16px; padding:6px 0}
.qz-tabs{display:grid;grid-template-columns:1fr 1fr;gap:4px;margin:6px 8px 4px;padding:4px;border-radius:12px;background:rgba(0,0,0,.25)}
.qz-tabs button{border:0;background:none;color:var(--qz-dim);font:700 .85rem var(--f-display);padding:9px;border-radius:9px;cursor:pointer}
.qz-tabs button[aria-selected="true"]{background:var(--qz-ink);color:#1a1438}
.qz-lb h4{margin:8px 14px 6px; font:700 .75rem var(--f-mono); letter-spacing:.12em; text-transform:uppercase; color:var(--qz-gold); display:flex; justify-content:space-between}
.qz-lb h4 span{color:var(--qz-dim); letter-spacing:0; text-transform:none; font-weight:500}
.qz-lb ol{list-style:none; margin:0; padding:0}
.qz-lb li{display:grid; grid-template-columns:34px 1fr auto auto; gap:10px; align-items:center; padding:9px 14px; font-variant-numeric:tabular-nums}
.qz-lb li.you{background:linear-gradient(90deg,rgba(255,216,74,.22),transparent); animation:qzglow 1.6s ease-in-out 2}
@keyframes qzglow{50%{background:rgba(255,216,74,.32)}}
.qz-lb .rk{font:800 .95rem var(--f-mono); text-align:center}
.qz-lb .nm{font-weight:700; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; min-width:0}
.qz-lb .tm{font:500 .75rem var(--f-mono); color:var(--qz-dim)}
.qz-lb .pt{font:800 1rem var(--f-mono)}
.qz-lb .empty{padding:12px 14px; color:var(--qz-dim)}
.qz-actions{display:grid; grid-template-columns:1fr 1fr; gap:10px}
.qz-btn2{border:1px solid var(--qz-line); background:var(--qz-glass); color:var(--qz-ink); border-radius:14px; padding:15px; font:700 1rem var(--f-display); cursor:pointer}
.qz-review{display:grid; gap:8px}
.qz-review details{background:var(--qz-glass); border:1px solid var(--qz-line); border-radius:12px; padding:10px 12px}
.qz-review summary{cursor:pointer; font-weight:700; list-style:none; display:grid; grid-template-columns:22px 1fr; gap:8px}
.qz-review summary::-webkit-details-marker{display:none}
.qz-review p{margin:6px 0 0 30px; font:400 .9rem/1.4 var(--f-body); color:var(--qz-dim)}
.qz-review button{margin:8px 0 0 30px; border:0; background:none; color:var(--qz-gold); font:700 .85rem var(--f-display); cursor:pointer; padding:4px 0}
.qz canvas{position:fixed; inset:0; pointer-events:none; z-index:1}
.qz button:focus-visible,.qz input:focus-visible{outline:3px solid var(--qz-gold); outline-offset:2px}
@media (prefers-reduced-motion:reduce){.qz-pop,.qz-shake,.qz-lb li.you{animation:none} .qz-opt{transition:none}}
@media (min-width:821px){.qz-opt{min-height:110px; font-size:1.05rem}}
.qz-fill{flex:1}
.qz-lang{display:inline-flex;gap:2px;padding:3px;border-radius:999px;background:rgba(0,0,0,.28);border:1px solid var(--qz-line);flex:none}
.qz-lang button{border:0;background:none;color:var(--qz-dim);font:700 .78rem var(--f-mono);letter-spacing:.06em;padding:8px 11px;border-radius:999px;cursor:pointer;min-height:34px}
.qz-lang button[aria-checked="true"]{background:var(--qz-ink);color:#1a1438}
.qz-top .qz-prog{min-width:0}