.navbar{background:#1e293bf2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:1000;box-shadow:var(--shadow)}[data-theme=light] .navbar{background:#fefcf9f2}.navbar-container{max-width:1200px;margin:0 auto;padding:1rem 20px;display:flex;justify-content:space-between;align-items:center}.navbar-right{display:flex;align-items:center;gap:1.5rem}.navbar-logo{display:flex;align-items:center;gap:.5rem;text-decoration:none;color:var(--text-primary);font-size:1.5rem;font-weight:700;transition:transform .3s ease}.navbar-logo:hover{transform:scale(1.05)}.logo-icon{width:40px;height:40px;object-fit:contain;display:block}.logo-icon-placeholder{font-size:2rem;display:none}.logo-text{background:linear-gradient(135deg,var(--primary-color),var(--accent-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.navbar-menu{display:flex;list-style:none;gap:2rem}.navbar-menu a{color:var(--text-secondary);text-decoration:none;font-weight:500;transition:color .3s ease;position:relative;padding:.5rem 0}.navbar-menu a:hover{color:var(--text-primary)}.navbar-menu a.active{color:var(--primary-color)}.navbar-menu a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--primary-color),var(--accent-color));border-radius:2px}.theme-toggle{background:var(--bg-card);border:1px solid var(--border-color);border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1.2rem;transition:transform .3s ease,box-shadow .3s ease;padding:0;line-height:40px;text-align:center;vertical-align:middle}.theme-toggle span,.theme-toggle:before{display:inline-block;vertical-align:middle;line-height:1}.theme-toggle:hover{transform:scale(1.1);box-shadow:var(--shadow)}@media (max-width: 768px){.navbar-container{flex-direction:column;gap:1rem}.navbar-right{width:100%;justify-content:space-between}.navbar-menu{gap:1rem}}.app{min-height:100vh;background:linear-gradient(135deg,var(--bg-dark) 0%,var(--bg-card) 100%)}.app-loading{display:flex;align-items:center;justify-content:center;min-height:60vh;color:var(--text-secondary);font-size:1.1rem}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #6366f1;--primary-dark: #4f46e5;--secondary-color: #8b5cf6;--accent-color: #ec4899}[data-theme=dark]{--bg-dark: #0f172a;--bg-card: #1e293b;--bg-hover: #334155;--text-primary: #f1f5f9;--text-secondary: #cbd5e1;--border-color: #334155;--shadow: 0 10px 25px rgba(0, 0, 0, .3);--shadow-lg: 0 20px 40px rgba(0, 0, 0, .4)}[data-theme=light]{--bg-dark: #faf8f5;--bg-card: #fefcf9;--bg-hover: #f5f2ed;--text-primary: #2d3436;--text-secondary: #636e72;--border-color: #dfe6e9;--shadow: 0 2px 8px rgba(45, 52, 54, .08);--shadow-lg: 0 4px 16px rgba(45, 52, 54, .12)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--bg-dark);color:var(--text-primary);line-height:1.6}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}.container{max-width:1200px;margin:0 auto;padding:0 20px}