/* 雪球大作战 · 低多边形(Low-Poly)界面:纯色块、切角、硬阴影,与游戏内画风一致 */
:root{
  --navy:#22324f; --navy-2:#3a4d73; --snow:#ffffff; --ice:#eaf3ff; --ice-2:#d5e6fb; --line:#bcd3f2;
  --sky:#3f9bf5; --sky-d:#2b78c9; --coral:#ff6b5b; --coral-d:#d94a3c; --sun:#ffc84a; --sun-d:#e0a21f; --mint:#3fcf9f; --pine:#2f8f5c;
  --chip:rgba(26,40,68,.86); --muted:#6b7fa3; --text:#22324f; --white:#ffffff;
  --cut:polygon(14px 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%,0 14px);
  --cut-s:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
  --font:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;block-size:100%;overflow:hidden;background:#8ec5ff;color:var(--text);font-family:var(--font);-webkit-user-select:none;user-select:none;touch-action:none}
canvas#game{position:fixed;inset:0;inline-size:100%;block-size:100%;display:block}
.hidden{display:none !important}
button,input,select{font-family:inherit}

/* ---------- 开始界面 ---------- */
#lobby{position:fixed;inset:0;display:flex;align-items:center;justify-content:flex-start;padding:clamp(10px,3vw,44px);overflow:auto}
.panel-wrap{inline-size:min(560px,100%);max-block-size:100%;display:flex;filter:drop-shadow(0 10px 0 rgba(28,52,96,.35))}
.panel{inline-size:100%;max-block-size:calc(100vh - 24px);overflow:auto;padding:0 0 18px;background:var(--snow);clip-path:polygon(22px 0,100% 0,100% calc(100% - 22px),calc(100% - 22px) 100%,0 100%,0 22px)}
.hero{position:relative;padding:22px 26px 16px;background:linear-gradient(168deg,var(--sky) 0 62%,var(--sky-d) 62% 100%);color:var(--white);overflow:hidden}
.hero svg{position:absolute;inset-inline-end:-6px;inset-block-end:-2px;inline-size:230px;block-size:auto;opacity:.95}
.title{position:relative;margin:0;font-size:clamp(30px,5vw,44px);font-weight:900;letter-spacing:.06em;line-height:1.1;text-shadow:0 4px 0 rgba(20,50,100,.35)}
.sub{position:relative;margin:6px 0 0;font-size:13px;font-weight:700;opacity:.95}
.body{padding:4px 24px 0}
.label{display:flex;align-items:center;gap:7px;margin:15px 0 7px;font-size:12px;letter-spacing:.1em;color:var(--navy-2);font-weight:900}
.label::before{content:"";inline-size:0;block-size:0;border-inline:6px solid transparent;border-block-end:10px solid var(--coral)}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.field{flex:1;min-inline-size:0;padding:10px 12px;border:0;border-block-end:4px solid var(--line);background:var(--ice);color:var(--text);font-size:15px;font-weight:700;outline:none;clip-path:var(--cut-s);-webkit-user-select:text;user-select:text}
.field:focus{border-block-end-color:var(--sky);background:#f4f9ff}
.field::placeholder{color:#9db0d0}
.swatches{display:flex;gap:7px;flex-wrap:wrap}
.sw{inline-size:30px;block-size:30px;border:0;padding:0;cursor:pointer;clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);transition:transform .12s}
.sw:hover{transform:scale(1.12)} .sw.on{transform:scale(1.28);outline:none}
.chars{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}
.ch{position:relative;display:flex;flex-direction:column;align-items:center;gap:0;padding:4px 2px 6px;border:0;border-block-end:4px solid var(--ice-2);background:var(--ice);color:var(--text);cursor:pointer;clip-path:var(--cut-s);transition:transform .12s,background .12s}
.ch i{font-style:normal;font-size:26px;line-height:52px;block-size:52px} .ch img{inline-size:58px;block-size:58px;margin-block-end:-4px} .ch b{font-size:12px} .ch small{font-size:10px;color:var(--muted)}
.ch:hover{transform:translateY(-2px)} .ch.on{background:var(--sun);border-block-end-color:var(--sun-d)}
.hats{display:grid;grid-template-columns:repeat(6,1fr);gap:7px}
.hat{padding:8px 2px;border:0;border-block-end:4px solid var(--ice-2);background:var(--ice);color:var(--text);font-size:12px;font-weight:800;cursor:pointer;clip-path:var(--cut-s)}
.hat.on{background:var(--sun);border-block-end-color:var(--sun-d)}
.maps{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.map{position:relative;border:0;border-block-end:4px solid var(--ice-2);padding:9px 10px 8px;cursor:pointer;color:var(--text);text-align:start;background:var(--ice);clip-path:var(--cut-s);transition:transform .12s}
.map:hover{transform:translateY(-2px)} .map svg{position:absolute;inset:0;inline-size:100%;block-size:100%}
.map .cap{position:absolute;inset-inline:0;inset-block-end:0;padding:5px 8px 6px;background:rgba(26,40,68,.82)}
.map b{display:block;font-size:13px;line-height:1.3} .map small{font-size:11px;color:var(--navy-2)}
.map.on{background:var(--sun);border-block-end-color:var(--sun-d)}
.third{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px} .third .label{margin-top:15px}
.btns{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}
.btn{padding:12px 14px;border:0;border-block-end:5px solid var(--ice-2);background:var(--ice);color:var(--text);font-size:16px;font-weight:900;cursor:pointer;clip-path:var(--cut-s);transition:transform .1s}
.btn:hover{transform:translateY(-2px)} .btn:active{transform:translateY(2px);border-block-end-width:2px}
.btn.primary{background:var(--coral);border-block-end-color:var(--coral-d);color:var(--white)}
.btn.gold{background:var(--sun);border-block-end-color:var(--sun-d);color:var(--navy)}
.btn.blue{background:var(--sky);border-block-end-color:var(--sky-d);color:var(--white)}
.btn:disabled{opacity:.5;cursor:default;transform:none}
.joinrow{grid-column:1/-1;padding:6px;background:var(--ice);clip-path:var(--cut-s)} .joinrow .field{background:var(--snow)} #inRoom{text-transform:uppercase;letter-spacing:.2em}
#lobbyMsg{min-block-size:20px;margin-top:10px;font-size:13px;font-weight:800;color:var(--coral-d)}
.help{margin-top:8px;padding-top:10px;border-top:3px dashed var(--ice-2);font-size:12px;line-height:1.8;color:var(--muted)}
kbd{display:inline-block;padding:0 6px;background:var(--navy);color:var(--white);font-family:inherit;font-size:11px;font-weight:800;clip-path:polygon(3px 0,100% 0,100% calc(100% - 3px),calc(100% - 3px) 100%,0 100%,0 3px)}

/* ---------- HUD ---------- */
#hud{position:fixed;inset:0;pointer-events:none;color:var(--white)}
#hud button{pointer-events:auto}
.chip{background:var(--chip);padding:8px 12px;clip-path:var(--cut-s)}
#topbar{position:absolute;inset-block-start:12px;inset-inline-start:50%;transform:translateX(-50%);display:flex;gap:9px;align-items:center;font-size:13px;font-weight:700;white-space:nowrap}
#topbar b{color:var(--sun);letter-spacing:.14em;font-size:15px}
#timer{font-variant-numeric:tabular-nums;font-weight:900;font-size:16px;color:var(--sun)}
#ping{font-size:12px;color:#b9cbe8}
.mini{padding:5px 10px;border:0;border-block-end:3px solid var(--sky-d);background:var(--sky);color:var(--white);font-size:12px;font-weight:800;cursor:pointer;clip-path:polygon(5px 0,100% 0,100% calc(100% - 5px),calc(100% - 5px) 100%,0 100%,0 5px)}
.mini:hover{background:#5badff}
#feed{position:absolute;inset-block-start:12px;inset-inline-start:12px;display:flex;flex-direction:column;gap:5px;font-size:13px;font-weight:700;max-inline-size:44vw}
#feed div{align-self:flex-start;background:var(--chip);padding:4px 10px;clip-path:polygon(5px 0,100% 0,100% calc(100% - 5px),calc(100% - 5px) 100%,0 100%,0 5px);animation:fadeout 6s forwards}
@keyframes fadeout{0%,80%{opacity:1}100%{opacity:0}}
#board{position:absolute;inset-block-start:12px;inset-inline-end:12px;min-inline-size:190px;font-size:13px;font-weight:700}
#board h4{margin:0 0 6px;font-size:11px;letter-spacing:.14em;color:var(--sun)}
#board .r{display:flex;gap:8px;align-items:center;padding:2px 0}
#board .r i{inline-size:11px;block-size:11px;flex:none;clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%)}
#board .r span{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#board .r.me span{color:var(--sun);font-weight:900}
#board .r em{font-style:normal;font-variant-numeric:tabular-nums;color:#b9cbe8}
#cross{position:absolute;inset-block-start:50%;inset-inline-start:50%;inline-size:24px;block-size:24px;margin:-12px 0 0 -12px;border:3px solid var(--white);transform:rotate(45deg);filter:drop-shadow(0 0 3px rgba(0,0,0,.5))}
#cross::after{content:"";position:absolute;inset-block-start:50%;inset-inline-start:50%;inline-size:4px;block-size:4px;margin:-2px 0 0 -2px;background:var(--white)}
#cross.hit{border-color:var(--coral);transform:rotate(45deg) scale(1.5);transition:transform .08s}
#charge{position:absolute;inset-block-start:calc(50% + 30px);inset-inline-start:50%;inline-size:90px;block-size:8px;margin-inline-start:-45px;background:rgba(20,30,50,.55);overflow:hidden;opacity:0;transition:opacity .15s}
#charge i{display:block;block-size:100%;inline-size:100%;transform:scaleX(0);transform-origin:0 50%;background:var(--sun)}
#bottom{position:absolute;inset-block-end:16px;inset-inline-start:50%;transform:translateX(-50%);display:flex;gap:14px;align-items:center}
#hpwrap{inline-size:min(300px,46vw)}
#hpbar{block-size:14px;background:rgba(10,18,36,.6);overflow:hidden}
#hpbar i{display:block;block-size:100%;inline-size:100%;background:var(--mint)}
#hptxt{font-size:12px;font-weight:800;margin-bottom:4px;display:flex;justify-content:space-between;color:#cfe0f7}
#ammo{display:flex;gap:6px}
#ammo i{inline-size:18px;block-size:18px;background:var(--white);clip-path:polygon(50% 0,100% 30%,85% 100%,15% 100%,0 30%);transition:opacity .15s,transform .15s}
#ammo i.off{opacity:.22;transform:scale(.7)}
#center{position:absolute;inset-block-start:30%;inset-inline:0;text-align:center;font-size:clamp(20px,3.4vw,34px);font-weight:900;text-shadow:0 4px 0 rgba(20,40,80,.55);opacity:0;transition:opacity .25s}
#center small{display:block;font-size:.5em;font-weight:800;color:var(--sun);margin-top:6px}
#hint{position:absolute;inset-block-end:86px;inset-inline:0;text-align:center;font-size:14px;font-weight:800;text-shadow:0 2px 0 rgba(20,40,80,.6)}
#vig{position:absolute;inset:0;background:radial-gradient(ellipse at center,transparent 45%,rgba(255,80,70,.55) 100%);opacity:0;transition:opacity .35s}
#frost{display:none}
#endPanel{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(26,40,68,.55);pointer-events:auto;color:var(--text)}
#endPanel .box{min-inline-size:min(430px,90vw);padding:24px 28px;background:var(--snow);clip-path:var(--cut)}
#endPanel h2{margin:0 0 4px;font-size:28px;font-weight:900} #endPanel p{margin:0 0 14px;color:var(--muted);font-size:13px;font-weight:700}
#endRows .r{display:flex;gap:12px;padding:7px 0;border-top:3px solid var(--ice);font-size:15px;font-weight:700} #endRows .r span{flex:1} #endRows .r em{font-style:normal;color:var(--muted)} #endRows .r.me{color:var(--coral-d);font-weight:900} #endRows .r:first-child{font-size:18px}
/* 触屏 */
#touch{position:fixed;inset:0;pointer-events:none}
#stick{position:absolute;inset-block-end:28px;inset-inline-start:28px;inline-size:124px;block-size:124px;background:rgba(255,255,255,.22);pointer-events:auto;clip-path:polygon(30% 0,70% 0,100% 30%,100% 70%,70% 100%,30% 100%,0 70%,0 30%)}
#knob{position:absolute;inset-block-start:37px;inset-inline-start:37px;inline-size:50px;block-size:50px;background:var(--white);clip-path:polygon(30% 0,70% 0,100% 30%,100% 70%,70% 100%,30% 100%,0 70%,0 30%)}
.tbtn{position:absolute;inline-size:78px;block-size:78px;border:0;background:var(--sky);color:var(--white);font-size:15px;font-weight:900;pointer-events:auto;clip-path:polygon(30% 0,70% 0,100% 30%,100% 70%,70% 100%,30% 100%,0 70%,0 30%)}
#tThrow{inset-block-end:40px;inset-inline-end:30px;inline-size:92px;block-size:92px;background:var(--coral)}
#tJump{inset-block-end:142px;inset-inline-end:22px}
#loading{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(168deg,var(--sky) 0 58%,var(--sky-d) 58% 78%,var(--snow) 78% 100%);color:var(--white);font-size:20px;font-weight:900;letter-spacing:.2em;text-align:center;padding:24px;line-height:1.8;text-shadow:0 3px 0 rgba(20,50,100,.35)}
@media (max-width:640px){ #board{min-inline-size:140px;font-size:12px} .body{padding:4px 14px 0} .hero{padding:16px 16px 12px} .map{block-size:84px} .maps{grid-template-columns:repeat(2,1fr)} #feed{inset-block-start:56px} .third{grid-template-columns:1fr 1fr} .hats{grid-template-columns:repeat(3,1fr)} }

/* 在线统计 */
.online{position:relative;display:inline-flex;align-items:center;gap:8px;margin-top:10px;padding:5px 12px 5px 10px;background:rgba(20,45,90,.55);font-size:13px;font-weight:800;clip-path:polygon(6px 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%,0 6px)}
.online i{inline-size:10px;block-size:10px;background:#9aa9c4;clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%)}
.online.up i{background:#5cf0a8;animation:pulse 1.6s infinite} .online.down i{background:var(--coral)}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.5)}}
.roomstats{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px;font-size:12px;font-weight:800;color:var(--navy-2)}
.roomstats span{padding:4px 9px;background:var(--ice);clip-path:polygon(5px 0,100% 0,100% calc(100% - 5px),calc(100% - 5px) 100%,0 100%,0 5px)}
.roomstats b{color:var(--coral-d)}

/* 景区地图与观光 */
.mapview{display:flex;gap:12px;margin-top:10px;align-items:flex-start}
#mapCanvas{inline-size:176px;block-size:176px;flex:none;background:var(--ice);clip-path:var(--cut-s)}
.mapinfo{min-inline-size:0;font-size:12px;line-height:1.6;color:var(--navy-2)} .mapinfo b{display:block;font-size:15px;color:var(--text)} .mapinfo small{display:block;color:var(--muted);font-weight:700}
.mapinfo p{margin:6px 0} .mapinfo ul{margin:0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:4px 6px} .mapinfo li{padding:1px 7px;background:var(--ice);font-weight:700;font-size:11px}
.btn.wide{grid-column:1/-1;font-size:14px}
#tour{position:fixed;inset-block-start:14px;inset-inline:0;display:flex;justify-content:center;pointer-events:none;color:var(--white);font-size:14px;font-weight:800}
#tour .chip{display:flex;gap:12px;align-items:center;pointer-events:auto}
#tRide{inset-block-end:230px;inset-inline-end:30px;inline-size:64px;block-size:64px;background:var(--sun);color:var(--navy)}
@media (max-width:640px){ .mapview{flex-direction:column} .maps{grid-template-columns:1fr} }