*{margin:0;padding:0;box-sizing:border-box}body{overflow:hidden;background:#000;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;color:#fff;touch-action:manipulation}#game-canvas{display:block;width:100vw;height:100vh;touch-action:none}.hidden{display:none!important}#overlay{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#000000bf;z-index:10}.screen{display:flex;flex-direction:column;align-items:center;gap:18px;max-width:420px;width:90%;text-align:center}.title{font-size:4rem;font-weight:900;letter-spacing:4px;text-transform:uppercase;text-shadow:0 0 20px rgba(230,126,34,.6)}.subtitle{font-size:1.1rem;opacity:.7;margin-bottom:12px}.version-tag{font-size:.75rem;opacity:.3;margin-top:8px}.mode-selector{display:flex;gap:8px;margin-bottom:8px}.mode-btn{flex:1;padding:12px 16px;font-size:1rem;font-weight:600;border:2px solid 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p{font-size:1rem;opacity:.8}#lobby-list{width:100%;max-height:240px;overflow-y:auto;display:flex;flex-direction:column;gap:8px}.lobby-empty{opacity:.5;font-size:.9rem;padding:20px 0}.lobby-row{display:flex;align-items:center;gap:10px;padding:10px 14px;border:1px solid rgba(255,255,255,.1);border-radius:8px;background:#ffffff0a;transition:background .2s}.lobby-row:hover{background:#ffffff14}.lobby-row-info{flex:1;text-align:left}.lobby-host-name{font-weight:600;font-size:.95rem}.lobby-mode-tag{font-size:.75rem;opacity:.6;text-transform:uppercase;letter-spacing:.5px}.lobby-lock{font-size:1rem;opacity:.5}.lobby-join-btn{padding:6px 16px;font-size:.85rem;font-weight:600;border:none;border-radius:6px;cursor:pointer;background:#27ae60;color:#fff;transition:background .2s}.lobby-join-btn:hover{background:#219a52}#lobby-password-prompt{background:#141414f7;border:1px solid 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.builder-left{position:absolute;left:16px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:8px;pointer-events:auto}.builder-section-title{margin:0 0 4px;font-size:.9rem;opacity:.7;text-transform:uppercase;letter-spacing:1px}.block-palette{display:flex;flex-direction:column;gap:2px}.block-label{font-size:.65rem;opacity:.4;text-transform:uppercase;letter-spacing:1px;margin:4px 0 1px 2px}.builder-overlay .block-btn{display:flex;align-items:center;gap:6px;padding:6px 10px;border:2px solid rgba(255,255,255,.15);border-radius:6px;background:#ffffff0f;color:#fff;cursor:pointer;font-size:.8rem;transition:background .15s,border-color .15s;pointer-events:auto;min-width:0}.builder-overlay .block-btn.selected{background:#fff3;border-color:#e67e22}.builder-overlay .block-btn:hover{background:#ffffff1f}.block-icon{font-size:1rem}.target-icon{font-size:1.2rem;color:#f44}.builder-overlay .target-btn{gap:8px;padding:8px 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rgba(255,255,255,.15);border-radius:8px;background:#0009;color:#fff;cursor:pointer;font-size:.85rem;pointer-events:auto;flex:1;min-width:0}.builder-btn{padding:8px 14px;font-size:.85rem;font-weight:600;border:none;border-radius:8px;cursor:pointer;color:#fff;pointer-events:auto}.builder-btn-share{background:#3498dbcc}.builder-btn-share:hover{background:#3498db}.builder-btn-danger{background:#c0392bcc}.builder-btn-danger:hover{background:#c0392b}.builder-btn-ready{padding:12px 0;font-size:1.1rem;font-weight:700;width:100%;background:#27ae60;transition:background .2s,transform .1s}.builder-btn-ready:hover{background:#219a52;transform:scale(1.02)}.builder-action-btn{padding:8px 14px;font-size:.85rem;font-weight:600;border:2px solid 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env(safe-area-inset-left)}#castle-builder-ui.builder-overlay .builder-left{left:4px;top:45px;transform:none;max-height:50vh;overflow-y:auto;-webkit-overflow-scrolling:touch}#castle-builder-ui.builder-overlay button:disabled{opacity:.25}#castle-builder-ui.builder-overlay .builder-left h3{font-size:.7rem;margin:0 0 2px}#castle-builder-ui.builder-overlay .builder-left .block-btn{padding:4px 6px;font-size:.65rem;gap:4px}#castle-builder-ui.builder-overlay .builder-left .target-btn{padding:5px 10px;font-size:.75rem}#castle-builder-ui.builder-overlay .builder-top{top:4px;left:50%;padding:5px 16px;font-size:.6rem;gap:6px;width:auto;max-width:95vw;white-space:nowrap}#castle-builder-ui.builder-overlay .builder-bottom{bottom:6px;gap:4px;width:95%}#castle-builder-ui.builder-overlay .builder-bottom button,#castle-builder-ui.builder-overlay .builder-bottom select{padding:6px 8px;font-size:.7rem}#castle-builder-ui.builder-overlay .builder-bottom #builder-ready-btn{padding:10px 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