:root{color-scheme:dark;--bg:#0b1217;--line:#26343d;--muted:#81939f;--cyan:#6df4d1}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:#e9f0f1;font:14px 'Microsoft YaHei','PingFang SC',system-ui,sans-serif;display:grid;grid-template-columns:minmax(0,1fr) 300px;grid-template-rows:88px minmax(440px,1fr) 112px;height:100dvh;overflow:hidden}button{font:inherit;cursor:pointer;color:inherit;background:#15212a;border:1px solid #32424c;border-radius:5px;padding:10px 13px;transition:.2s}button:hover{border-color:var(--cyan);background:#203b3b}button:disabled{opacity:.35;cursor:not-allowed}header{grid-column:1/3;display:flex;align-items:center;gap:12px;padding:0 28px;border-bottom:1px solid var(--line);background:#0e171d}.brand{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:900;letter-spacing:3px}.brand b{color:var(--cyan);font-size:38px}.brand small{display:block;font:9px monospace;letter-spacing:2px;color:var(--muted);margin-top:5px}.stats{display:flex;gap:40px;margin:auto}.stats span{font-size:10px;color:var(--muted)}strong{display:block;font:24px monospace;color:#e7f8f3;margin-top:5px}.stats span:nth-child(2) strong{color:#ffd883}main{position:relative;min-width:0;overflow:hidden}canvas{display:block;width:100%;height:100%;touch-action:none}.sector{position:absolute;top:26px;left:30px;pointer-events:none}.sector small,.eyebrow,.map-label,.next small,footer small{font:10px monospace;letter-spacing:2px;color:var(--muted)}h1{font-size:28px;letter-spacing:3px;margin:8px 0}.sector p{color:var(--muted);font-size:11px}.map-label{position:absolute;bottom:20px;left:30px;color:var(--cyan);font-size:9px}.map-label span{margin-left:22px;color:var(--muted)}#toast{position:absolute;bottom:54px;left:50%;transform:translateX(-50%);background:#102824e8;border:1px solid #347f69;border-radius:4px;padding:10px 18px;white-space:nowrap;font-size:12px;pointer-events:none}aside{border-left:1px solid var(--line);padding:24px 21px;overflow:auto;background:#101a21}.eyebrow{font-size:9px}.eyebrow span{float:right}h2{font-size:21px;letter-spacing:2px;margin:10px 0}.muted{font-size:11px;color:var(--muted);margin-bottom:20px}#catalog{display:grid;grid-template-columns:1fr 1fr;gap:9px}.tower-card{text-align:left;padding:12px 10px;position:relative;min-height:98px}.tower-card.active{border-color:var(--cyan);background:#173a34}.tower-card i{display:block;font-style:normal;font-size:23px;color:var(--c);margin-bottom:6px}.tower-card b{font-size:12px}.tower-card small{display:block;color:var(--muted);font-size:9px;margin-top:4px}.tower-card em{position:absolute;right:9px;top:16px;color:#ffd883;font:11px monospace}section{margin-top:22px;border-top:1px solid var(--line);padding-top:12px}h3{font-size:13px}section p{color:var(--muted);font-size:11px;line-height:1.9}section button{font-size:11px;padding:8px;margin:3px}.next{margin:22px 0 14px}.next p{font-size:12px}.primary{background:var(--cyan);color:#08251c;border:0;font-weight:bold;width:100%;padding:14px;margin-bottom:10px}#save,#load{width:48%;font-size:11px}footer{grid-column:1/3;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:16px 28px;background:#0e171d}.abilities{display:flex;gap:10px;align-items:center;margin-top:10px}.abilities button{font-size:12px;padding:12px 18px}.abilities em{font:10px monospace;color:var(--muted);margin-left:12px}.abilities span{margin-left:15px;color:var(--cyan)}footer p{text-align:right;font-size:10px;color:var(--muted);line-height:2}footer p button{font-size:10px;background:none;border:0;padding:0 8px}dialog{border:1px solid #3e7163;background:#101f27;color:white;border-radius:12px;width:440px;max-width:90vw;padding:30px}dialog::backdrop{background:#030b10bb;backdrop-filter:blur(7px)}dialog p{line-height:1.9;color:#9aadb8}dialog button{margin-top:15px}#loading{position:absolute;inset:0;display:grid;place-items:center;background:#0b1217;z-index:9;color:var(--cyan)}@media(max-width:950px){body{grid-template-columns:minmax(0,1fr) 245px}header{padding:0 15px}.stats{gap:18px}.brand{font-size:16px}aside{padding:18px 12px}.abilities button{padding:10px;font-size:10px}.abilities em{display:none}}@media(max-width:850px){body{height:auto;min-height:100dvh;overflow:auto;grid-template-columns:1fr;grid-template-rows:auto 54dvh auto auto}header{grid-column:1;flex-wrap:wrap;padding:12px;gap:8px}.brand{width:100%}.stats{gap:20px;margin:0 auto 0 0}strong{font-size:18px}header button{font-size:10px;padding:6px}aside{border-left:0;border-top:1px solid var(--line)}#catalog{grid-template-columns:repeat(3,1fr)}footer{grid-column:1;padding:16px 12px;display:block}.abilities{gap:5px;flex-wrap:wrap}.sector{left:15px;top:12px}h1{font-size:20px}#toast{font-size:10px;padding:8px;max-width:95%;white-space:normal}footer p{text-align:left}.map-label{left:15px;font-size:8px}}
.tower-card{touch-action:none;user-select:none;-webkit-user-select:none;cursor:grab}.tower-card:active{cursor:grabbing}main::after{content:'';position:absolute;inset:0;pointer-events:none;opacity:0;background:radial-gradient(ellipse at center,#ffd7a829,transparent 70%)}main.impact::after{animation:impact-flash .45s ease-out}.armory-link{display:block;text-align:center;color:#91b8bd;text-decoration:none;font-size:11px;margin-top:15px}.armory-link:hover{color:var(--cyan)}@keyframes impact-flash{0%{opacity:1}100%{opacity:0}}@media(prefers-reduced-motion:reduce){main.impact::after{animation:none}}


/* VIVA / expanded battlefield edition */
body{grid-template-rows:88px minmax(360px,1fr) 148px}
.brand{text-decoration:none;letter-spacing:1px;flex-direction:column;align-items:flex-start;gap:3px;flex-shrink:0}
.brand .viva-logo{display:block;width:132px;height:41px;object-fit:contain;filter:brightness(0) invert(1)}
.brand small{font-size:8px;margin:0;letter-spacing:1px}.stats{gap:28px}
.community{display:flex;gap:8px}.community button{font-size:12px;white-space:nowrap}.community #sponsor{color:#ffd68f;border-color:#746342}
.auto-wave{display:flex;align-items:center;gap:10px;background:#142b29;border:1px solid #31584e;border-radius:5px;padding:11px;margin:10px 0;cursor:pointer;font-size:13px}.auto-wave input{accent-color:#6df4d1;width:18px;height:18px;cursor:pointer}.auto-wave small{display:block;font-size:10px;color:#92aaa6;margin-top:4px}
footer{flex-wrap:wrap;gap:5px 15px}.copyright{flex-basis:100%;text-align:center;border-top:1px solid #34554c;padding-top:9px;font-size:15px;font-weight:700;letter-spacing:1px;color:#ffe2a1}.copyright a{color:#86ffda;text-decoration:none}.copyright span{margin-left:28px}
dialog{width:640px;max-height:90dvh;overflow:auto}.qr-grid{display:flex;justify-content:center;gap:24px;flex-wrap:wrap}.qr-card{display:flex;flex-direction:column;align-items:center;gap:12px;margin:18px 0}.qr-card b{font-size:14px;color:#ceeee4}.qr-frame{position:relative;width:240px;height:240px;overflow:hidden;background:white;border-radius:8px;flex-shrink:0}.qr-frame img{position:absolute;width:941px;height:438px;max-width:none;top:-62px}.qr-learn img{left:-49px}.qr-alipay img{left:-341px}.qr-wechat img{left:-646px}
@media(max-width:1150px) and (min-width:851px){header{padding:0 16px;gap:8px}.stats{gap:16px}.brand .viva-logo{width:105px;height:34px}.brand small{font-size:7px}.community button{padding:9px 8px}header>button{padding:9px}}
@media(max-width:850px){body{grid-template-rows:auto 54dvh auto auto}.brand{width:auto;margin-right:auto}.brand .viva-logo{width:100px;height:31px}.stats{order:5;width:100%;justify-content:space-around;margin:5px 0}.community button{padding:8px;font-size:11px}footer{display:flex}.copyright{font-size:13px;line-height:1.9}.copyright span{display:block;margin-left:0}.qr-grid{gap:4px}.sector small{font-size:8px}}