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var(--border-main)}.auth-title{font-family:var(--font-serif);font-size:32px;margin-bottom:8px}.auth-input{width:100%;background:transparent;border:1px solid var(--border-main);padding:12px;color:#fff;margin-bottom:16px;outline:none}.auth-input:focus{border-color:#fff}@media (max-width: 768px){.app-shell{flex-direction:column;overflow:hidden}.sidebar{position:fixed;top:0;left:0;bottom:0;width:280px;z-index:2000;transform:translate(-100%);transition:transform .3s cubic-bezier(.4,0,.2,1);box-shadow:20px 0 50px #000c;border-right:1px solid var(--border-main)}.sidebar.mobile-open{transform:translate(0)}.sidebar-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;z-index:1999;opacity:0;pointer-events:none;transition:opacity .3s ease}.sidebar-overlay.visible{opacity:1;pointer-events:auto}.mobile-nav-toggle{position:absolute;top:24px;left:20px;z-index:100;background:#000;border:1px solid var(--border-main);color:#fff;padding:8px 12px;font-size:10px;text-transform:uppercase;letter-spacing:.1em;cursor:pointer}.node-panel{width:100%;border-left:none;box-shadow:none}.search-bar{top:80px;left:20px;right:20px}.search-bar__inner{width:100%}.floating-controls{top:24px;right:20px}.prompt-bar-container{bottom:0;padding:16px;max-width:none;background:linear-gradient(to top,#000 80%,transparent)}.prompt-bar__form{padding:12px}.ai-node{width:calc(100vw - 40px);max-width:340px}.ai-node__toolbar{top:-30px}.auth-card{padding:32px 24px;max-width:90%;border:none}.auth-title{font-size:26px}}