:root{--ink:#f5ebd4;--dark:#111b2d;--panel:#17263cE8;--gold:#ffd477;--mint:#83e0c0;--line:#ffffff26}*{box-sizing:border-box}body{margin:0;min-height:100vh;color:var(--ink);font-family:system-ui,"Yu Gothic UI",sans-serif;background:radial-gradient(circle at 15% 10%,#254d70,#0c1424 55%,#080d18);padding:calc(env(safe-area-inset-top) + 22px) calc(env(safe-area-inset-right) + 22px) calc(env(safe-area-inset-bottom) + 22px) calc(env(safe-area-inset-left) + 22px)}.shell{max-width:1400px;margin:auto}header{display:flex;justify-content:space-between;align-items:center;gap:24px;margin:0 0 17px}.eyebrow{font:500 11px ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--mint);letter-spacing:.16em;margin:0 0 5px}h1{font-size:clamp(26px,4vw,46px);line-height:1;margin:0;text-shadow:0 4px 0 #07101f}.subtitle{margin:9px 0 0;color:#c5d4e1}.stats{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}.stats span{background:#0d1930a8;border:1px solid var(--line);border-radius:14px;padding:10px 14px;white-space:nowrap}.stats b{color:var(--gold)}.game-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:18px}.board-wrap{position:relative;border:2px solid #ffffff42;border-radius:18px;overflow:hidden;box-shadow:0 20px 60px #0009;background:#1c5649}canvas{display:block;width:100%;height:auto;cursor:crosshair}.message{position:absolute;left:18px;bottom:17px;max-width:75%;padding:9px 14px;border-radius:10px;background:#0b1934cc;border:1px solid #ffffff35;color:#fff;font-size:14px;pointer-events:none}aside{border:1px solid var(--line);border-radius:18px;background:var(--panel);padding:16px;box-shadow:0 15px 40px #0005}h2{font-size:20px;margin:0 0 10px}.tower-buttons{display:grid;gap:8px}.tower{border:1px solid #ffffff27;background:#ffffff0e;color:#fff;border-radius:12px;text-align:left;padding:10px;cursor:pointer;font:inherit;transition:.15s}.tower:hover,.tower.selected{transform:translateY(-1px);border-color:var(--mint);background:#4bcda220}.tower strong{display:block;font-size:14px}.tower small{color:#cedae5}.tower-icon{font-size:22px;float:left;margin-right:8px}.tower-info{min-height:85px;margin:12px 0;padding:10px;border-radius:11px;background:#0712227d;color:#d8e7f0;font-size:13px}.upgrade,.start,.restart{border:0;border-radius:12px;width:100%;padding:12px;cursor:pointer;font:700 14px system-ui,"Yu Gothic UI",sans-serif}.upgrade{background:#415676;color:#fff;margin-bottom:13px}.upgrade:not(:disabled){background:#b775d5}.start{background:linear-gradient(135deg,#e9a846,#f6d777);color:#30200b}.restart{margin-top:10px;background:#58b1dd;color:#072337}.legend{border-top:1px solid var(--line);padding-top:10px;color:#c8d4df;font-size:12px}.legend h3{color:var(--mint);margin:0 0 5px;font-size:14px}.legend p{margin:5px 0}footer{text-align:center;color:#91a5b9;font-size:11px;margin:14px}@media(max-width:850px){body{padding:calc(env(safe-area-inset-top) + 10px) calc(env(safe-area-inset-right) + 10px) calc(env(safe-area-inset-bottom) + 10px) calc(env(safe-area-inset-left) + 10px)}.game-layout{grid-template-columns:1fr}aside{display:grid;grid-template-columns:1fr 1fr;gap:10px}.tower-buttons{grid-column:span 2;grid-template-columns:1fr 1fr}.tower-info,.legend{margin:0}.start,.restart{align-self:end}header{align-items:flex-start;flex-direction:column}.stats{justify-content:flex-start}}