:root{font-family:Inter,system-ui,sans-serif;color:#eef4ff;background:#070b14}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:radial-gradient(circle at top,#17213b 0,#070b14 55%)}button,input,select{font:inherit}.shell{width:min(1180px,100%);margin:auto;padding:clamp(12px,3vw,28px)}header{display:flex;justify-content:space-between;gap:16px;align-items:flex-end;flex-wrap:wrap;margin-bottom:18px}h1{margin:0;font-size:clamp(1.9rem,5vw,3.4rem)}.subtitle,.version{color:#9fb0ce}.grid{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:16px}.card{background:#0d1424e6;border:1px solid #2d3954;border-radius:18px;padding:16px}.arena{position:relative;aspect-ratio:16/10;min-height:260px;border-radius:14px;overflow:hidden;background:linear-gradient(#0d1730,#0a1225);border:1px solid #40516f}.arena:before{content:"";position:absolute;inset:0;background-image:linear-gradient(#ffffff10 1px,transparent 1px),linear-gradient(90deg,#ffffff10 1px,transparent 1px);background-size:10% 10%}.bot{position:absolute;width:48px;height:48px;display:grid;place-items:center;font-weight:900;transform:translate(-50%,-50%);box-shadow:0 0 22px currentColor;transition:border-radius .15s,clip-path .15s}.bot-mark{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:#07101dcc;color:currentColor;border:1px solid currentColor}.bot-a{color:#56d7ff;border:3px solid currentColor}.bot-b{color:#ff8f70;border:3px solid currentColor}.bot[data-chassis=raptor-chassis]{border-radius:50%;clip-path:polygon(50% 0,95% 28%,82% 92%,18% 92%,5% 28%)}.bot[data-chassis=titan-chassis]{width:54px;height:54px;border-radius:9px;clip-path:none;box-shadow:0 0 26px currentColor,inset 0 0 0 5px #ffffff12}.controls{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}button{border:1px solid #40516f;background:#15213b;color:#eef4ff;padding:10px 14px;border-radius:10px;cursor:pointer;min-height:44px}label{display:grid;gap:6px;color:#9fb0ce}input,select{width:100%;padding:10px;border-radius:10px;border:1px solid #40516f;background:#08101f;color:#fff}.builder{display:grid;gap:10px;margin-bottom:18px}.builder h2{margin:0;font-size:1.15rem}.preview{display:grid;gap:4px;padding:10px;border:1px solid #2d3954;border-radius:10px;background:#0a1225;font-size:.86rem;color:#c8d4ea}.stat{margin:12px 0}.bar{height:10px;background:#202a3d;border-radius:99px;overflow:hidden}.fill{height:100%;background:currentColor}.robot-a{color:#56d7ff}.robot-b{color:#ff8f70}.status{margin-top:14px;min-height:24px;color:#c8d4ea}.site-footer{margin-top:18px;padding:15px 4px 4px;border-top:1px solid #2d3954;display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;color:#8fa2c3;font-size:.84rem}.site-footer a{color:#c8d7f0;text-decoration:none;font-weight:700}.site-footer a:hover{text-decoration:underline}.site-footer strong{color:#b8c8e3;font-weight:600}@media(max-width:760px){.grid{grid-template-columns:1fr}.arena{aspect-ratio:1/1;min-height:0}.card{padding:12px}.controls button{flex:1 1 30%}.site-footer{display:grid;grid-template-columns:1fr;font-size:.82rem}}.bot-weapon{position:absolute;left:50%;top:-13px;width:8px;height:20px;transform:translate(-50%);border:2px solid currentColor;border-radius:4px;background:#0b1426;box-shadow:0 0 8px currentColor}.bot[data-weapon=raptor-cannon] .bot-weapon{width:7px;height:18px}.bot[data-weapon=titan-cannon] .bot-weapon{width:12px;height:22px;border-radius:3px}.bot-mark{position:relative;z-index:1}#shot-layer{position:absolute;inset:0;pointer-events:none;z-index:2}.shot-effect{position:absolute;height:3px;transform-origin:0 50%;background:currentColor;box-shadow:0 0 8px currentColor,0 0 14px currentColor;animation:shot-flash .16s ease-out forwards}.shot-effect[data-attacker=robot-a]{color:#56d7ff}.shot-effect[data-attacker=robot-b]{color:#ff8f70}@keyframes shot-flash{0%{opacity:1}to{opacity:0}}.hit-effect{position:absolute;z-index:3;transform:translate(-50%,-120%);font-weight:900;font-size:.9rem;color:#fff;text-shadow:0 0 8px #ff3b3b;animation:damage-pop .45s ease-out forwards}.bot.is-hit{animation:robot-hit .22s ease-out}@keyframes damage-pop{0%{opacity:1;transform:translate(-50%,-80%) scale(.8)}to{opacity:0;transform:translate(-50%,-180%) scale(1.15)}}@keyframes robot-hit{0%,to{filter:none}40%{filter:brightness(2.2) saturate(.4)}}.battle-panel h2{margin-top:0}.battle-hint{margin-top:16px;color:#8fa2c3;font-size:.86rem}dialog{width:min(760px,calc(100% - 24px));max-height:90vh;border:1px solid #40516f;border-radius:18px;padding:0;background:#0d1424;color:#eef4ff;box-shadow:0 24px 80px #000a}dialog::backdrop{background:#02050bcc;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.config-dialog-card{padding:18px;overflow:auto;max-height:90vh}.config-dialog-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.config-dialog-header h2{margin:0}.config-dialog-header button{font-size:1.5rem;line-height:1;padding:6px 12px}.config-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.dialog-actions{display:flex;justify-content:flex-end;margin-top:14px}@media(max-width:650px){.config-grid{grid-template-columns:1fr}.config-dialog-card{padding:12px}dialog{max-height:94vh}.dialog-actions button{width:100%}}.bot-health{position:absolute;left:50%;top:-18px;transform:translate(-50%);width:44px;height:7px;border:1px solid #d7e0ef;border-radius:999px;background:#261015;overflow:hidden;box-shadow:0 1px 5px #0008;z-index:8;display:block}.bot-health-fill{display:block;width:100%;height:100%;background:linear-gradient(90deg,#ff4747,#ffd447,#58e879);transform-origin:left center;transition:width .12s linear}.bot.is-hit .bot-health{box-shadow:0 0 9px #ff4b4b}.bot,.bot.is-hit{transition:left 75ms linear,top 75ms linear}@media(prefers-reduced-motion:reduce){.bot{transition:none}}.bot-a .bot-health,.bot-b .bot-health{visibility:visible;opacity:1;pointer-events:none}