html,body{margin:0;height:100%;overflow:hidden;background:#1b1b1b;overscroll-behavior:none}canvas{display:block;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}.login{position:fixed;inset:0;display:grid;place-items:center;background:#000}.login input{background:#000;color:#b82f2f;border:1px solid #b82f2f;border-radius:0;outline:none;font-size:16px}.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,8px);max-width:calc(100vw - 32px);padding:8px 14px;border-radius:8px;background:#2b2b2b;color:#ddd;font:13px system-ui,sans-serif;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s}.toast.show{opacity:1;transform:translate(-50%)}