:root{--primary-color: #3b82f6;--secondary-color: #8b5cf6;--background: #000000;--foreground: #ffffff;font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%}[data-theme=dark]{--nav-bg: #0a0a0a;--text-primary: #ffffff;--text-secondary: #a0a0a0;--border-color: #333333;--primary-color: #3b82f6;--primary-hover: #2563eb;--button-bg: #1a1a1a;--button-hover-bg: #2a2a2a;--bg-primary: #0a0a0a}[data-theme=light]{--nav-bg: #ffffff;--text-primary: #000000;--text-secondary: #666666;--border-color: #e5e5e5;--primary-color: #3b82f6;--primary-hover: #2563eb;--button-bg: #f5f5f5;--button-hover-bg: #e5e5e5;--bg-primary: #ffffff;--background: #ffffff;--foreground: #000000}*{margin:0;padding:0;box-sizing:border-box}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe 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var(--nav-shadow);min-width:44px;min-height:44px;position:relative;overflow:hidden}.navbar-auth-btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#fff3;transform:translate(-50%,-50%);transition:width .6s,height .6s}.navbar-auth-btn:hover:before{width:300px;height:300px}.navbar-auth-btn:hover,.navbar-auth-btn:focus-visible{background:var(--nav-btn-hover-bg);color:var(--nav-btn-hover-text);transform:translateY(-3px);box-shadow:0 6px 25px var(--nav-shadow);outline:2px solid var(--nav-accent);outline-offset:2px}.hamburger-btn{display:none}@media(max-width:768px){.navbar-header{padding:0 1.5rem}.navbar-menu{position:fixed;top:var(--nav-height);left:100%;width:100%;height:calc(100vh - var(--nav-height));background:var(--nav-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);flex-direction:column;justify-content:center;gap:2.5rem;transform:translate(0);transition:transform .5s 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