:root{--bg:#100d1c;--card:#1d1731;--soft:#2a2242;--text:#fff;--muted:#bbb3cc;--yellow:#ffd54d;--line:#ffffff1b
}
*{box-sizing:border-box
}
body{margin:0;min-height:100vh;background:radial-gradient(circle at top,#332459,#100d1c 55%);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,sans-serif
}
.wrap{max-width:900px;margin:auto;padding:16px
}
.brand{font-size:25px;font-weight:1000;margin:8px 0 18px
}
.brand span,.points{color:var(--yellow)
}
.card{background:linear-gradient(145deg,#231b3c,#171326);border:1px solid var(--line);border-radius:27px;padding:clamp(22px,6vw,52px);box-shadow:0 24px 60px #0007
}
.center{text-align:center
}
.hidden{display:none!important
}
h1{font-size:clamp(55px,12vw,96px);line-height:.9;letter-spacing:-5px;margin:10px 0 24px
}
h2{font-size:clamp(29px,6vw,46px);margin:0 0 12px
}
.slogan{font-size:clamp(25px,5vw,40px);font-weight:950;line-height:1.15
}
.lead{color:var(--muted);font-size:18px;line-height:1.55;max-width:670px;margin:14px auto 25px
}
.tag{display:inline-block;background:#ffd54d18;color:var(--yellow);border-radius:999px;padding:7px 11px;font-size:12px;font-weight:900;text-transform:uppercase
}
.btn{border:0;border-radius:15px;padding:14px 20px;background:var(--yellow);color:#251d00;font-weight:950;cursor:pointer;min-height:50px
}
.btn.alt{background:var(--soft);color:white;border:1px solid var(--line)
}
.btn.danger{background:#3d1c2a;color:#ffc3cc;min-height:auto;padding:9px 12px
}
.hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:760px;margin:30px auto
}
.hero-point{background:#ffffff08;border:1px solid #ffffff12;border-radius:20px;padding:20px 14px
}
.hero-point b{display:block;color:var(--yellow);font-size:30px;margin-bottom:8px
}
.hero-point span{color:#d2c9e3;font-size:15px
}
.example{max-width:760px;margin:32px auto 0;text-align:left;background:#0b0913;border:1px solid #ffffff18;border-radius:24px;padding:25px
}
.example-title{color:#d2c9e3;font-size:13px;font-weight:950;text-transform:uppercase
}
.example-q{font-size:19px;font-weight:950;margin:12px 0 18px
}
.example-row{display:grid;grid-template-columns:1fr auto auto;gap:18px;padding:13px 0;border-top:1px solid #ffffff17
}
.example-row b{font-size:17px
}
.example-row .best{color:var(--yellow);font-weight:950
}
.actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap
}
.input,.select{width:100%;background:#0e0b18;border:1px solid #473d64;color:#fff;border-radius:14px;padding:14px;font-size:17px
}
.players,.board{display:grid;gap:9px;margin:18px 0
}
.player,.score{display:grid;grid-template-columns:45px 1fr auto;gap:10px;align-items:center;background:#ffffff08;border-radius:14px;padding:12px
}
.player input{width:100%
}
.num{color:var(--yellow);font-weight:950
}
.x{background:transparent;color:white;border:1px solid #473d64;border-radius:10px;width:40px;height:40px
}
.handoff{padding:28px 10px
}
.thinking{padding:24px 10px
}
.thinking h2{margin-top:16px
}
.thinking-timer{width:116px;height:116px;margin-top:22px
}
.thinking-timer span{font-size:34px
}
.handoff-icon{font-size:62px
}
.question{font-size:clamp(27px,6vw,42px);font-weight:950;line-height:1.15;max-width:720px;margin:20px auto
}
.timer{font-size:38px;color:var(--yellow);font-weight:1000
}
.notice{background:#14382b;border:1px solid #2b7658;border-radius:17px;padding:18px
}
.progress{height:7px;background:#0d0917;border-radius:99px;overflow:hidden;margin:8px 0 22px
}
.progress div{height:100%;background:linear-gradient(90deg,var(--yellow),#ff914d)
}
.muted{color:var(--muted);font-size:13px
}
details{text-align:left;margin-top:20px
}
#reveal details + .btn{margin-top:28px
}
summary,a{color:var(--yellow)
}
@media(max-width:620px){.wrap{padding:11px
}
.hero-points{grid-template-columns:1fr
}
.example-row{grid-template-columns:1fr auto
}
.example-row span:nth-child(2){display:none
}
.card{padding:21px
}
.answer-actions{display:grid!important
}
.score{grid-template-columns:35px 1fr auto
}

}

.player-progress{display:inline-block;padding:7px 12px;border-radius:999px;background:#ffffff0a;color:var(--muted);font-size:13px;font-weight:900;margin-bottom:12px
}
.timer-ring{width:98px;height:98px;margin:15px auto;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--yellow) var(--timer-angle,360deg),#ffffff12 0);position:relative
}
.timer-ring:before{content:'';position:absolute;inset:8px;border-radius:50%;background:#181329
}
.timer-ring span{position:relative;z-index:1;font-size:30px;font-weight:1000;color:var(--yellow)
}
.timer-ring.warning{background:conic-gradient(#ff914d var(--timer-angle,120deg),#ffffff12 0)
}
.timer-ring.warning span{color:#ff914d
}
.reveal-card{max-width:560px;margin:18px auto;padding:30px;border-radius:23px;background:linear-gradient(145deg,#2a2245,#171326);border:1px solid #ffffff1c;animation:pop .35s ease
}
.reveal-name{color:var(--muted);font-weight:900;text-transform:uppercase
}
.reveal-answer{font-size:clamp(30px,7vw,52px);font-weight:1000;margin:12px 0
}
.reveal-rank{font-size:20px
}
.reveal-points{font-size:42px;color:var(--yellow);font-weight:1000;margin-top:8px
}
.leader-title{text-align:center;color:var(--muted);font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:1px;margin-top:24px
}
.score:nth-child(1){border:1px solid #ffd54d55;background:#ffd54d10
}
.medal{font-size:22px
}
.how-to{max-width:760px;margin:18px auto 0
}
.how-to summary{cursor:pointer;text-align:center;font-weight:900;list-style:none
}
.how-to summary::-webkit-details-marker{display:none
}
.round-picker{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:8px 0 18px
}
.round-option{min-height:48px;border:1px solid #473d64;border-radius:12px;background:#0e0b18;color:#fff;font:inherit;font-weight:900;cursor:pointer
}
.round-option.active{border-color:var(--yellow);background:#ffd54d1c;color:var(--yellow)
}
.privacy-label{color:var(--yellow);font-size:12px;font-weight:950;text-transform:uppercase;letter-spacing:1px
}
.reveal-card.outcome-high{border-color:#ffd54d88;box-shadow:0 0 0 1px #ffd54d22,0 18px 50px #0006
}
.reveal-card.outcome-low{filter:saturate(.72)
}
.reveal-rank,.reveal-points{opacity:0;animation:reveal-step .3s ease forwards
}
.reveal-rank{animation-delay:.38s
}
.reveal-points{animation-delay:.72s
}
.reveal-next{opacity:0;animation:reveal-step .3s 1.05s ease forwards
}
.reveal-next:disabled{cursor:wait;filter:saturate(.55)
}
.score.score-flash{animation:score-flash .65s ease
}
.lead-change{margin:12px 0;padding:12px;border:1px solid #ffd54d55;border-radius:12px;background:#ffd54d10;color:var(--yellow);font-weight:950
}
.spark-field{position:absolute;inset:0;overflow:hidden;pointer-events:none
}
.reveal-card{position:relative;overflow:hidden
}
.spark{position:absolute;width:7px;height:14px;left:var(--x);top:-18px;background:var(--c);transform:rotate(var(--r));animation:spark-fall 1.1s var(--d) ease-out forwards
}
@keyframes reveal-step{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none
}
}
@keyframes score-flash{0%,100%{transform:none}45%{transform:scale(1.025);border-color:var(--yellow);background:#ffd54d1d
}
}
@keyframes spark-fall{to{transform:translateY(270px) rotate(220deg);opacity:0
}
}
@keyframes pop{from{opacity:0;transform:scale(.92) translateY(8px)
}
to{opacity:1;transform:none
}

}
/* Mobile game surface */
@media(max-width:620px){
body{background:linear-gradient(180deg,#2d2050 0,#100d1c 38%);font-size:16px
}
.wrap{padding:0;max-width:none
}
.brand{height:58px;margin:0;padding:18px 18px 0;font-size:20px
}
.card{min-height:calc(100dvh - 58px);border:0;border-top:1px solid var(--line);border-radius:22px 22px 0 0;padding:24px 18px;box-shadow:none
}
#home{padding-top:22px
}
#home h1{font-size:48px;letter-spacing:-2px;margin:12px 0 10px
}
#home .slogan{font-size:24px;line-height:1.12
}
#home>.lead{font-size:16px;line-height:1.4;margin:12px auto 18px
}
.hero-points{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:18px auto
}
.hero-point{border-radius:10px;padding:12px 7px;min-width:0
}
.hero-point b{font-size:24px;margin-bottom:4px
}
.hero-point span{font-size:12px;line-height:1.25;display:block
}
.example{margin:18px auto 0;border-radius:12px;padding:16px
}
.example-q{font-size:16px
}
#home>.btn{width:100%;position:sticky;bottom:12px;margin-top:18px!important
}
.how-to .example{margin-top:12px
}
h2{font-size:30px;line-height:1.05
}
.lead{color:#d2cbe0;font-size:16px;line-height:1.45
}
#setup>.lead{margin:8px 0 18px!important
}
#setup>.actions{position:sticky;bottom:0;padding:12px 0 max(4px,env(safe-area-inset-bottom));background:linear-gradient(180deg,transparent,#171326 22%)
}
#setup>.actions .btn:last-child{flex:1
}
.player{grid-template-columns:36px 1fr 44px;gap:8px
}
#game{padding-top:18px
}
#game>div:first-child{align-items:center
}
.progress{margin-bottom:14px
}
.question{font-size:30px;line-height:1.08;margin:12px auto
}
#playArea>.muted{color:#d2cbe0;font-size:14px;margin:8px 0
}
.timer-ring{width:78px;height:78px;margin:10px auto
}
.timer-ring:before{inset:7px
}
.timer-ring span{font-size:26px
}
#turn{margin:8px auto 12px
}
.answer-actions{display:grid!important;grid-template-columns:1fr 48px;margin-top:10px;gap:8px
}
.answer-actions .input{grid-column:1;grid-row:1;min-width:0
}
.answer-actions #toggleBtn{grid-column:2;grid-row:1;padding:0;font-size:0
}
.answer-actions #toggleBtn::first-letter{font-size:20px
}
.answer-actions>.btn:last-child{grid-column:1 / -1;grid-row:2;width:100%
}
#game:has(#thinking:not(.hidden)) .leader-title,#game:has(#thinking:not(.hidden)) #leader,#game:has(#playArea:not(.hidden)) .leader-title,#game:has(#playArea:not(.hidden)) #leader,#game:has(#handoff:not(.hidden)) .leader-title,#game:has(#handoff:not(.hidden)) #leader,#game:has(#locked:not(.hidden)) .leader-title,#game:has(#locked:not(.hidden)) #leader{display:none
}
.thinking{min-height:calc(100dvh - 145px);display:grid;align-content:center;justify-items:center
}
.handoff{min-height:calc(100dvh - 145px);display:grid;align-content:center;justify-items:center
}
.handoff .lead{max-width:300px
}
.handoff-icon{font-size:54px
}
.reveal-card{border-radius:14px;padding:24px 18px;margin:14px auto
}
.reveal-answer{font-size:40px
}
.score{grid-template-columns:34px 1fr auto;padding:11px 12px;gap:8px
}
.round-results .score{grid-template-columns:minmax(68px,.75fr) 1fr auto
}
@media(max-height:680px){
.brand{height:46px;padding-top:12px
}
.card{min-height:calc(100dvh - 46px);padding-top:14px
}
.question{font-size:25px;margin:8px auto
}
.timer-ring{width:64px;height:64px;margin:7px auto
}
.timer-ring span{font-size:22px
}
#turn{margin:5px auto 7px
}
.answer-actions{position:sticky;bottom:max(6px,env(safe-area-inset-bottom));padding:8px;background:#181329;border-radius:14px;z-index:2
}
}
}
@media(prefers-reduced-motion:reduce){
.reveal-card,.reveal-rank,.reveal-points,.reveal-next,.score.score-flash,.spark{animation-duration:.01ms!important;animation-delay:0ms!important
}
}