*{box-sizing:border-box;margin:0;padding:0}html,body{min-height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;overscroll-behavior:none;touch-action:manipulation;-webkit-tap-highlight-color:transparent}#app{min-height:100%;display:flex;align-items:center;justify-content:center;padding:12px}.game{width:min(92vw,460px);display:flex;flex-direction:column;gap:10px}.crumb{font-size:14px}.crumb a{color:var(--accent);text-decoration:none;font-weight:700}.crumb a:hover{text-decoration:underline}.topbar{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;row-gap:8px}.title{font-size:clamp(24px,7vw,44px);font-weight:800;line-height:1;letter-spacing:-1px}.scores{display:flex;gap:8px}.score-box{background:var(--board-bg);color:var(--accent-text);border-radius:6px;padding:6px 12px;text-align:center;min-width:60px}.score-box .label{font-size:11px;text-transform:uppercase;letter-spacing:1px;opacity:.85;font-weight:700}.score-box .value{font-size:22px;font-weight:800;line-height:1.1}.playfield{display:flex;justify-content:center}.board{position:relative;width:min(92vw,calc((100dvh - 300px) * 360 / 468),460px);aspect-ratio:360 / 468;touch-action:none;cursor:pointer}.board canvas{display:block;width:100%;height:100%;border-radius:12px}.wavebar{display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:8px 10px;min-height:52px}.wavebar .wave-info{display:flex;flex-direction:column;gap:2px;min-width:0}.wavebar .wave-level{font-size:14px;font-weight:800;line-height:1.1}.wavebar .wave-status{font-size:12px;color:var(--muted);font-weight:600}.wave-btn{background:var(--accent);color:var(--accent-text);border:none;border-radius:8px;padding:10px 16px;min-height:44px;font-size:14px;font-weight:800;cursor:pointer;white-space:nowrap;transition:filter .12s ease,opacity .12s ease}.wave-btn:hover{filter:brightness(1.05)}.wave-btn:active{filter:brightness(.94)}.wave-btn[disabled]{opacity:.45;cursor:default;filter:none}.panel{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:10px;display:none;flex-direction:column;gap:8px}.panel.show{display:flex}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:8px}.panel-title{font-size:14px;font-weight:800;display:flex;align-items:center;gap:8px}.swatch{width:14px;height:14px;border-radius:4px;flex:none;box-shadow:inset 0 0 0 1px #0003}.panel-close{background:none;border:none;color:var(--muted);font-size:22px;line-height:1;cursor:pointer;padding:4px 8px;min-height:40px;min-width:40px}.tower-grid{display:flex;gap:8px}.tower-btn{flex:1;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:8px 6px;min-height:76px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:4px;text-align:center;transition:filter .12s ease,border-color .12s ease}.tower-btn:active{filter:brightness(.95)}.tower-btn[disabled]{opacity:.5;cursor:default}.tower-btn .tb-name{font-size:13px;font-weight:800}.tower-btn .tb-desc{font-size:10.5px;color:var(--muted);line-height:1.2}.tower-btn .tb-cost{font-size:12px;font-weight:800;color:#d99a1c}.tower-btn[disabled] .tb-cost{color:#c85a4a}.tower-stats{display:flex;gap:6px;flex-wrap:wrap}.stat{background:var(--bg);border:1px solid var(--line);border-radius:7px;padding:6px 8px;flex:1;min-width:64px;text-align:center}.stat .s-label{font-size:10px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);font-weight:700}.stat .s-value{font-size:15px;font-weight:800}.tower-actions{display:flex;gap:8px}.act-btn{flex:1;border:none;border-radius:8px;padding:12px 10px;min-height:48px;font-size:14px;font-weight:800;cursor:pointer;transition:filter .12s ease,opacity .12s ease}.act-btn:active{filter:brightness(.94)}.act-btn.upgrade{background:var(--accent);color:var(--accent-text)}.act-btn.upgrade[disabled]{opacity:.45;cursor:default;filter:none}.act-btn.sell{background:var(--bg);color:var(--text);border:1px solid var(--line)}.controls{display:flex;align-items:center;justify-content:space-between;gap:10px}.how{font-size:12px;opacity:.85;flex:1}.how b{font-weight:700}.btn{background:var(--accent);color:var(--accent-text);border:none;border-radius:6px;padding:10px 16px;min-height:44px;font-size:14px;font-weight:700;cursor:pointer;white-space:nowrap;transition:filter .12s ease}.btn:hover{filter:brightness(1.05)}.btn:active{filter:brightness(.95)}.overlay{position:absolute;inset:0;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:20px;background:var(--overlay-bg);z-index:10;opacity:0;pointer-events:none;transition:opacity .2s ease}.overlay.show{opacity:1;pointer-events:auto}.overlay .msg{font-size:clamp(26px,8vw,40px);font-weight:800}.overlay.over .msg{color:#ef6a4b}.overlay.win .msg{color:#5aa85f}.overlay .sub{font-size:14px;color:var(--text);opacity:.9}.overlay .actions{display:flex;gap:10px;margin-top:8px;flex-wrap:wrap;justify-content:center}