:root{color-scheme:dark;--bg:#071321;--panel:#102338;--line:#34506a;--ink:#edf6ff;--muted:#b0c6d7;--gold:#ffcf68;--cyan:#7de4ed;--sans:'Barlow',system-ui,sans-serif;--display:'Barlow Condensed','Arial Narrow',sans-serif;font-family:var(--sans);background:var(--bg);color:var(--ink)}
*{box-sizing:border-box}body{margin:0;min-width:320px;background:radial-gradient(ellipse at 70% -10%,#1a4b6c4d,transparent 55%),var(--bg);font-size:16px;line-height:1.5}button,input,select{font:inherit}button,input,select,a{touch-action:manipulation}button,a,input,select{outline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,canvas:focus-visible{outline:2px solid var(--cyan)}button{cursor:pointer}button:disabled{opacity:.45;cursor:default}button,select,input{min-width:0}a{color:inherit;text-decoration:none}[hidden]{display:none!important}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.skip-link{position:fixed;left:16px;top:-80px;z-index:200;padding:12px;background:#11314a;border:2px solid var(--cyan)}.skip-link:focus{top:12px}
.site-header{min-height:82px;display:flex;align-items:center;gap:30px;padding:12px max(24px,calc((100vw - 1800px)/2));border-bottom:1px solid var(--line);background:#0c2031d9}.brand{display:flex;align-items:center;gap:12px;flex:none}.brand img{object-fit:contain;filter:drop-shadow(0 0 8px #45d6fd33)}.brand>span{font:700 30px/.9 var(--display);letter-spacing:2px}.brand small{display:block;font:700 10px/1.4 var(--sans);letter-spacing:3.5px;margin-top:7px;color:#b1cce0}.site-header nav{display:flex;gap:5px;flex:1;flex-wrap:wrap}.site-header nav a{font-weight:600;font-size:14px;border:1px solid transparent;border-radius:5px;padding:10px 12px}.site-header nav a:hover{background:#24415a}.site-header nav a[aria-current]{background:#51401966;border-color:#a88b4c;color:#ffe19b}.practice-badge{flex:none;color:#aee6ce;border:1px solid #457361;background:#1d453d55;padding:8px 12px;border-radius:5px;font-size:12px;font-weight:700;letter-spacing:.7px}
main{width:100%;max-width:1800px;margin:auto;padding:28px 24px 40px}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:24px}.eyebrow{color:var(--cyan);font-size:11px;font-weight:700;letter-spacing:1.5px}.page-heading h1{font:700 clamp(34px,3vw,46px)/1.1 var(--display);margin:6px 0 8px}.page-heading p{color:var(--muted);margin:0;font-size:16px}.sandbox-promise{display:flex;flex-direction:column;gap:3px;font-size:14px;flex:none;padding-left:18px;border-left:2px solid #3f9d8b}.sandbox-promise b{color:#b9f2dd}.sandbox-promise span{color:var(--muted)}.sandbox-layout{display:grid;grid-template-columns:266px minmax(0,1fr);gap:20px;align-items:start}
.scenario-panel{border:1px solid var(--line);border-radius:10px;background:linear-gradient(145deg,#122c42,#0b1d2e);padding:18px;min-width:0}.panel-title{display:flex;justify-content:space-between;align-items:center;gap:6px;margin-bottom:14px}.panel-title h2{font:600 24px/1.1 var(--display);margin:0}.panel-title>span{font-size:10px;font-weight:600;color:#91b7c9;white-space:nowrap}label{display:flex;flex-direction:column;gap:5px;color:var(--muted);font-size:13px;margin-bottom:12px}input,select{height:42px;width:100%;border:1px solid #46617b;border-radius:5px;background:#091b2d;color:var(--ink);padding:8px 10px;font-size:14px}select{padding-right:5px}.field-pair{display:grid;grid-template-columns:1fr 1fr;gap:10px}.field-pair label{min-width:0}.check-field{display:flex;flex-direction:row;gap:9px;align-items:center;margin:0 0 9px;color:#d3e5ef;font-size:14px}.check-field input{height:18px;width:18px;accent-color:#69d4bd;flex:none}.form-note{font-size:12px;color:var(--muted);line-height:1.55;margin:12px 0}.form-note.dirty{color:var(--gold)}.primary-button,.secondary-button,.danger-button,.icon-button{border:1px solid #4b6b87;border-radius:5px;min-height:40px;padding:9px 12px;background:linear-gradient(#1b3c56,#10263a);color:var(--ink);font-size:12px;font-weight:700;letter-spacing:.3px;white-space:nowrap}.primary-button{background:linear-gradient(#f5da85,#c5a148);border-color:#ffe7a0;color:#293324;box-shadow:inset 0 1px #fff5cd44}.danger-button{color:#ffc6c5;border-color:#885760;background:#51242c}.primary-button:hover:not(:disabled),.secondary-button:hover:not(:disabled),.danger-button:hover:not(:disabled){filter:brightness(1.17)}.full-width{width:100%}.tower-tuning{margin-top:22px;padding-top:20px;border-top:1px solid var(--line)}.sandbox-inspector{border-top:1px solid var(--line);padding-top:18px;margin-top:18px}.sandbox-inspector h2{font:600 27px/1.1 var(--display);margin:7px 0}.sandbox-inspector p{font-size:13px;color:var(--muted);margin:8px 0 14px}.inspect-portrait{height:118px;background-position:center;background-size:contain;background-repeat:no-repeat;filter:drop-shadow(0 7px 12px #0005)}.inspect-portrait:empty{min-height:118px}.inspect-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:5px;margin-bottom:14px}.inspect-stats span{min-width:0;display:flex;flex-direction:column;font-size:10px;color:#91aec1}.inspect-stats b{font:600 23px/1.2 var(--display);color:#f3f7e8;margin-top:3px}.action-pair{margin-top:10px}.action-pair button{font-size:10px;padding-inline:7px}
.arena-column{min-width:0}.battle-stage{border:1px solid #54728a;border-radius:10px;overflow:hidden;background:#0c1f31;box-shadow:0 6px 0 #030c16,0 18px 36px #0003;max-width:min(100%,calc((100dvh - 252px) * 1.777778));margin-inline:auto}.battle-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 16px}.battle-heading .eyebrow{font-size:10px}.battle-heading h2{font:600 24px/1.1 var(--display);margin:3px 0 0}.difficulty-label{font-size:11px;font-weight:700;color:#ffdc8b;white-space:nowrap}.battle-hud{display:flex;gap:28px;justify-content:space-between;align-items:center;min-height:50px;padding:8px 16px;background:#102b40;border-top:1px solid #314b63;border-bottom:1px solid #314b63}.battle-hud>span{display:flex;align-items:center;gap:8px}.battle-hud small{font-size:10px;color:#9abbd0;letter-spacing:.5px}.battle-hud b{font:600 23px/1 var(--display);color:#eaf3dc}.canvas-wrap{position:relative}.canvas-wrap canvas{display:block;width:100%;height:auto;aspect-ratio:16/9;background:#15392b;touch-action:none}.arena-overlay{position:absolute;inset:0;background:radial-gradient(ellipse,#0b1b29bf,#071626a3);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:11px;text-align:center;padding:24px;pointer-events:none}.arena-overlay h3{font:600 clamp(28px,3vw,44px)/1.05 var(--display);margin:0}.arena-overlay p{max-width:420px;color:#d1e3e7;font-size:14px;margin:0 0 6px;line-height:1.6}.arena-overlay button{pointer-events:auto;font-size:14px;min-height:44px;padding:10px 22px}.battle-controls{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 12px}.battle-controls>span{font-size:12px;line-height:1.4;color:#a3bdcc;min-width:0}.battle-controls>div{display:flex;gap:6px;align-items:center;flex-wrap:wrap;justify-content:flex-end}.battle-controls button{font-size:11px;min-height:36px;padding:7px 10px}.battle-controls .icon-button{font-size:20px;line-height:1;padding:5px 8px}.renderer-error{position:absolute;inset:0;display:grid;place-items:center;background:#0b2134ed;color:#ffdb9a;text-align:center;padding:24px;font-size:16px}.placement-message{position:absolute;top:10px;left:50%;transform:translateX(-50%);max-width:90%;padding:8px 12px;border-radius:5px;border:1px solid #6ec5a8;background:#102d25e8;color:#d8ffee;font-size:12px;text-align:center;pointer-events:none}.placement-message[data-valid="false"]{border-color:#cb6e7c;background:#3b1f2be8;color:#ffd6d6}.touch-placement{position:absolute;bottom:10px;left:50%;transform:translateX(-50%);display:flex;gap:8px;max-width:95%}.touch-placement button{min-height:44px;font-size:12px}
.tower-library{margin-top:24px;padding:20px;border:1px solid var(--line);border-radius:10px;background:linear-gradient(135deg,#122b40,#0c1e30)}.library-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:16px}.library-heading h2{font:600 30px/1.1 var(--display);margin:4px 0 0}.tower-search{width:min(300px,45%);margin:0}.tower-search input{height:42px;font-size:14px}.family-filters{display:flex;gap:7px;flex-wrap:wrap}.family-filters button{padding:7px 12px;min-height:36px;border:1px solid #3d5d76;border-radius:5px;background:#0b1f31;color:#aac7d9;font:600 13px var(--sans)}.family-filters button[aria-pressed="true"]{border-color:#b89a5e;color:#ffde95;background:#58421e55}.library-count{display:flex;justify-content:space-between;gap:14px;margin:12px 0;color:#a4bece;font-size:12px}.sandbox-tower-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(126px,1fr));gap:9px}.sandbox-tower-card{position:relative;min-width:0;display:grid;grid-template-columns:1fr;grid-template-rows:74px 33px 18px;align-items:center;text-align:center;padding:10px 7px 8px;border:1px solid #35536e;border-radius:7px;color:#e6f0f7;background:linear-gradient(#18384f,#0e2438);overflow:hidden}.sandbox-tower-card:hover{border-color:#7bbed3;background:linear-gradient(#22495f,#122c42)}.sandbox-tower-card[aria-pressed="true"]{border-color:#f6d177;box-shadow:inset 0 0 0 1px #f6d177;background:linear-gradient(#414329,#173947)}.sandbox-tower-card .tower-image{display:block;width:100%;height:78px;background-size:contain;background-repeat:no-repeat;background-position:center;filter:drop-shadow(0 5px 6px #0005)}.sandbox-tower-card strong{font:600 16px/1.05 var(--display);margin-top:4px}.sandbox-tower-card small{font-size:11px;color:#96bfd0;line-height:1.3}.sandbox-tower-card .shop-exclusive{position:absolute;top:5px;right:5px;color:#e4b4fd;font-size:8px;font-weight:700;border:1px solid #8c63a4;border-radius:3px;padding:1px 3px;background:#291d36}.sandbox-footnote{margin:18px 2px 0;color:#91adbf;font-size:13px;line-height:1.7}.sandbox-footnote b{color:#b6d2db}.sandbox-toast{position:fixed;z-index:100;bottom:24px;left:50%;transform:translateX(-50%);width:max-content;max-width:min(500px,90%);padding:13px 18px;border:1px solid #b89756;border-radius:6px;background:#203347f5;color:#ffebba;box-shadow:0 8px 24px #0005;font-size:14px;text-align:center}.battle-stage:fullscreen{display:flex;flex-direction:column;justify-content:center;width:100%;max-width:none;border:0;border-radius:0;padding:12px;background:#071321}.battle-stage:fullscreen .canvas-wrap{width:min(100%,calc((100dvh - 165px) * 1.777778));margin-inline:auto}.battle-stage:fullscreen .battle-heading,.battle-stage:fullscreen .battle-hud,.battle-stage:fullscreen .battle-controls{width:min(100%,calc((100dvh - 165px) * 1.777778));margin-inline:auto}
@media(min-width:1450px){.sandbox-layout{grid-template-columns:286px minmax(0,1fr)}.scenario-panel{padding:20px}.sandbox-tower-grid{grid-template-columns:repeat(auto-fill,minmax(138px,1fr))}}
@media(max-width:1150px){.site-header{gap:18px}.site-header nav{gap:0}.site-header nav a{font-size:13px;padding:9px}.practice-badge{display:none}.sandbox-layout{grid-template-columns:240px minmax(0,1fr);gap:14px}.scenario-panel{padding:14px}.battle-stage{max-width:100%}.battle-heading{padding:9px 12px}.battle-heading h2{font-size:22px}.battle-hud{gap:12px;padding:9px 12px}.battle-hud>span{flex-direction:column;gap:4px}.battle-controls{flex-wrap:wrap}.battle-controls>span{width:100%;font-size:12px}.battle-controls>div{width:100%;justify-content:space-between}.battle-controls button{flex:1}.tower-library{padding:16px}.sandbox-tower-grid{grid-template-columns:repeat(auto-fill,minmax(112px,1fr))}.sandbox-tower-card{grid-template-rows:68px 32px 18px}.sandbox-tower-card .tower-image{height:70px}.sandbox-promise{max-width:270px;flex:initial}}
@media(max-width:800px){.site-header{padding:12px 16px;gap:12px;flex-wrap:wrap}.brand>span{font-size:26px}.brand img{width:39px;height:39px}.site-header nav{flex:1;justify-content:flex-end}.site-header nav a{font-size:12px;padding:7px}.page-heading{align-items:flex-start}.sandbox-promise{display:none}main{padding:22px 16px 30px}.sandbox-layout{display:flex;flex-direction:column;gap:18px}.scenario-panel{width:100%;display:grid;grid-template-columns:1fr 1fr;gap:18px}.scenario-panel form{grid-row:span 2}.tower-tuning{margin:0;padding:0;border:0}.sandbox-inspector{margin:0;padding-top:16px}.inspect-portrait{height:100px}.arena-column{width:100%;order:-1}.page-heading h1{font-size:36px}.battle-stage{max-width:100%}.scenario-panel{order:1}.battle-controls>span{width:auto;flex:1}.battle-controls>div{width:auto}.battle-controls button{flex:none}.tower-library{margin-top:20px}.sandbox-footnote{margin-top:14px}}
@media(max-width:520px){.site-header{align-items:center;gap:12px;padding:12px}.brand>span{font-size:24px}.brand small{font-size:8px;letter-spacing:2.9px}.brand img{width:35px;height:35px}.site-header nav{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;max-width:205px}.site-header nav a{text-align:center;font-size:11px;padding:5px}.page-heading{margin-bottom:18px}.page-heading p{font-size:14px}.page-heading h1{font-size:32px}main{padding:20px 12px 30px}.battle-heading{gap:8px}.battle-heading h2{font-size:22px}.difficulty-label{font-size:9px;max-width:100px;white-space:normal;text-align:right}.battle-hud{gap:8px;padding:8px 9px}.battle-hud b{font-size:21px}.battle-hud small{font-size:8px;letter-spacing:0}.battle-controls{padding:10px}.battle-controls>span{flex-basis:100%;font-size:12px}.battle-controls>div{width:100%;gap:5px}.battle-controls button{font-size:9px;padding:7px 8px;min-height:39px;flex:1}.battle-controls .icon-button{flex:0;font-size:20px}.arena-overlay{gap:7px;padding:14px}.arena-overlay h3{font-size:28px}.arena-overlay>.eyebrow{font-size:9px}.arena-overlay p{font-size:11px;line-height:1.35;max-width:280px;margin:0}.arena-overlay button{min-height:36px;font-size:11px;padding:7px 16px}.tower-library{padding:14px 11px}.library-heading{align-items:stretch;flex-direction:column;gap:13px;margin-bottom:12px}.library-heading h2{font-size:28px}.library-heading .eyebrow{font-size:10px}.tower-search{width:100%}.family-filters{gap:5px}.family-filters button{font-size:11px;padding:7px 9px;min-height:36px}.library-count{font-size:11px;flex-direction:column;gap:4px}.sandbox-tower-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.sandbox-tower-card{grid-template-rows:66px 32px 17px;padding:8px 5px}.sandbox-tower-card .tower-image{height:68px}.sandbox-tower-card strong{font-size:14px}.sandbox-tower-card small{font-size:9px}.scenario-panel{display:block;padding:17px}.scenario-panel .tower-tuning{border-top:1px solid var(--line);padding-top:20px;margin-top:20px}.sandbox-inspector{margin-top:20px;padding-top:20px}.inspect-portrait{height:130px}.placement-message{font-size:10px;padding:6px 8px;top:6px}.touch-placement{bottom:6px;gap:6px}.touch-placement button{min-height:36px;font-size:10px;padding:7px 10px}.sandbox-footnote{font-size:12px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important}}

@media(min-width:801px){.sandbox-running .page-heading{display:none}.sandbox-running .site-header{min-height:60px;padding-block:7px}.sandbox-running .brand img{width:38px;height:38px}.sandbox-running .brand>span{font-size:26px}.sandbox-running .brand small{font-size:8px;margin-top:5px}.sandbox-running main{padding-top:12px}.sandbox-running .battle-stage{max-width:min(100%,calc(var(--arena-map-height,calc(100dvh - 240px)) * 1.777778))}.sandbox-running .scenario-panel{max-height:calc(100dvh - 86px);overflow-y:auto;scrollbar-width:thin;overscroll-behavior:contain}.sandbox-running .battle-heading{padding-block:8px}.sandbox-running .battle-heading h2{font-size:21px}.sandbox-running .battle-hud{min-height:44px}.sandbox-running .battle-controls{padding-block:7px}.sandbox-running .battle-controls>span{max-width:180px}}

.scenario-jump{display:none}@media(max-width:800px){.page-heading{flex-wrap:wrap;gap:16px}.scenario-jump{display:inline-flex;align-items:center;min-height:44px;font-size:12px}.page-heading>div:first-child{flex:1 1 300px}}