.header{background:var(--bg-card);border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:100;transition:all var(--transition-normal)}.header.scrolled{background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:var(--shadow-md)}.header-container{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md) 0;max-width:1200px;margin:0 auto;padding-left:var(--spacing-md);padding-right:var(--spacing-md)}@media screen and (max-width: 768px){.header-container{padding:var(--spacing-sm) var(--spacing-sm)}}.logo{display:flex;align-items:center;gap:var(--spacing-sm);text-decoration:none;color:var(--text-primary);font-weight:700;font-size:1.5rem;transition:color var(--transition-fast)}.logo:hover{color:var(--primary-color)}.logo .logo-icon{width:50px;height:50px;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;color:var(--text-inverse);font-size:1.25rem;font-weight:700;background-image:url(data:image/png;base64,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);background-size:cover;background-position:center}@media screen and (max-width: 768px){.logo .logo-icon{width:35px;height:35px;font-size:1rem}}@media screen and (max-width: 480px){.logo .logo-text{display:none}}.nav{display:flex;align-items:center;gap:var(--spacing-lg)}@media screen and (max-width: 768px){.nav{gap:var(--spacing-md)}}.nav-menu{display:flex;align-items:center;gap:var(--spacing-lg);list-style:none}@media screen and (max-width: 768px){.nav-menu{display:none}}.nav-menu .nav-item{position:relative}.nav-menu .nav-item .nav-link{color:var(--text-secondary);text-decoration:none;font-weight:500;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);transition:all var(--transition-fast);position:relative}.nav-menu .nav-item .nav-link:hover{color:var(--primary-color);background:var(--bg-secondary)}.nav-menu .nav-item .nav-link.active{color:var(--primary-color);background:#6366f11a}.search-container{position:relative;display:flex;align-items:center}@media screen and (max-width: 768px){.search-container{flex:1;max-width:200px}}.search-input{width:300px;padding:var(--spacing-sm) var(--spacing-md);padding-right:40px;border:1px solid var(--border-light);border-radius:var(--radius-full);background:var(--bg-secondary);color:var(--text-primary);font-size:.875rem;transition:all var(--transition-fast)}.search-input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #6366f11a}.search-input::placeholder{color:var(--text-tertiary)}@media screen and (max-width: 768px){.search-input{width:100%;font-size:.8rem}}.search-btn{position:absolute;right:8px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--text-tertiary);cursor:pointer;padding:var(--spacing-xs);border-radius:var(--radius-sm);transition:color var(--transition-fast)}.search-btn:hover{color:var(--primary-color)}.mobile-menu-toggle{display:none;background:none;border:none;color:var(--text-primary);font-size:1.5rem;cursor:pointer;padding:var(--spacing-sm);border-radius:var(--radius-md);transition:all var(--transition-fast)}.mobile-menu-toggle:hover{background:var(--bg-secondary);color:var(--primary-color)}@media screen and (max-width: 768px){.mobile-menu-toggle{display:block}}.mobile-menu{display:none;position:absolute;top:100%;left:0;right:0;background:var(--bg-card);border-top:1px solid var(--border-light);box-shadow:var(--shadow-lg);padding:var(--spacing-md);z-index:99}.mobile-menu.active{display:block}.mobile-menu .mobile-nav-menu{list-style:none;display:flex;flex-direction:column;gap:var(--spacing-sm)}.mobile-menu .mobile-nav-menu .mobile-nav-item .mobile-nav-link{display:block;color:var(--text-secondary);text-decoration:none;font-weight:500;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);transition:all var(--transition-fast)}.mobile-menu .mobile-nav-menu .mobile-nav-item .mobile-nav-link:hover{color:var(--primary-color);background:var(--bg-secondary)}.mobile-menu .mobile-nav-menu .mobile-nav-item .mobile-nav-link.active{color:var(--primary-color);background:#6366f11a}.user-actions{display:flex;align-items:center;gap:var(--spacing-sm)}@media screen and (max-width: 768px){.user-actions{gap:var(--spacing-xs)}}.user-btn{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:var(--bg-secondary);border:1px solid var(--border-light);border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast)}.user-btn:hover{background:var(--primary-color);color:var(--text-inverse);border-color:var(--primary-color)}@media screen and (max-width: 768px){.user-btn{width:35px;height:35px}}.theme-toggle{position:relative;width:50px;height:25px;background:var(--border-medium);border-radius:var(--radius-full);cursor:pointer;transition:background var(--transition-fast)}.theme-toggle.dark{background:var(--primary-color)}.theme-toggle .theme-toggle-slider{position:absolute;top:2px;left:2px;width:21px;height:21px;background:var(--text-inverse);border-radius:50%;transition:transform var(--transition-fast);display:flex;align-items:center;justify-content:center;font-size:.75rem;color:var(--text-primary)}.theme-toggle .theme-toggle-slider.dark{transform:translate(25px)}@media screen and (max-width: 1024px){.search-input{width:250px}}@media screen and (max-width: 768px){.header-container{gap:var(--spacing-sm)}.nav{order:3;width:100%;justify-content:space-between;padding-right:10px}.search-container{order:2;flex:1;min-width:0}.user-actions{order:1}}@media screen and (max-width: 480px){.header-container{padding:var(--spacing-sm)}.user-actions{gap:var(--spacing-xs)}.user-btn{width:32px;height:32px;font-size:.875rem}.theme-toggle{width:45px;height:22px}.theme-toggle .theme-toggle-slider{width:18px;height:18px;font-size:.7rem}.theme-toggle .theme-toggle-slider.dark{transform:translate(23px)}}:root{--primary-color: #6366f1;--primary-hover: #4f46e5;--primary-light: #a5b4fc;--primary-dark: #3730a3;--secondary-color: #10b981;--secondary-hover: #059669;--secondary-light: #6ee7b7;--secondary-dark: #047857;--accent-color: #f59e0b;--accent-hover: #d97706;--danger-color: #ef4444;--warning-color: #f59e0b;--success-color: #10b981;--info-color: #3b82f6;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827;--bg-primary: #ffffff;--bg-secondary: #f8fafc;--bg-tertiary: #f1f5f9;--bg-dark: #0f172a;--bg-card: #ffffff;--text-primary: #1e293b;--text-secondary: #64748b;--text-tertiary: #94a3b8;--text-inverse: #ffffff;--border-light: #e2e8f0;--border-medium: #cbd5e1;--border-dark: #475569;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);--gradient-primary: linear-gradient(135deg, var(--primary-color), var(--primary-hover));--gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--secondary-hover));--gradient-accent: linear-gradient(135deg, var(--accent-color), var(--accent-hover));--gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--transition-fast: .15s ease-in-out;--transition-normal: .3s ease-in-out;--transition-slow: .5s ease-in-out;--radius-sm: .25rem;--radius-md: .375rem;--radius-lg: .5rem;--radius-xl: .75rem;--radius-2xl: 1rem;--radius-full: 9999px;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--spacing-3xl: 4rem}@media (prefers-color-scheme: dark){:root{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--bg-card: #1e293b;--text-primary: #f1f5f9;--text-secondary: #cbd5e1;--text-tertiary: #94a3b8;--border-light: #334155;--border-medium: #475569;--border-dark: #64748b}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:Inter,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.6;color:var(--text-primary);background-color:var(--bg-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}@media screen and (max-width: 768px){body{font-size:14px}}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2;color:var(--text-primary);margin-bottom:var(--spacing-md)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.75rem}h4{font-size:1.5rem}h5{font-size:1.25rem}h6{font-size:1.125rem}@media screen and (max-width: 768px){h1{font-size:2rem}h2{font-size:1.75rem}h3{font-size:1.5rem}h4{font-size:1.25rem}h5{font-size:1.125rem}h6{font-size:1rem}}p{margin-bottom:var(--spacing-md);color:var(--text-secondary)}a{color:var(--primary-color);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--primary-hover)}ul,ol{list-style:none}img{max-width:100%;height:auto;vertical-align:top}body::-webkit-scrollbar{width:8px;height:8px}body::-webkit-scrollbar-track{background:var(--gray-100);border-radius:var(--radius-md)}body::-webkit-scrollbar-thumb{background:var(--gray-400);border-radius:var(--radius-md);transition:background var(--transition-fast)}body::-webkit-scrollbar-thumb:hover{background:var(--gray-500)}@media screen and (max-width: 768px){body::-webkit-scrollbar{width:4px;height:4px}}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--spacing-md)}@media screen and (max-width: 768px){.container{padding:0 var(--spacing-sm)}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-xs);padding:var(--spacing-sm) var(--spacing-md);font-size:.875rem;font-weight:500;line-height:1.5;border:1px solid transparent;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);text-decoration:none;white-space:nowrap;-webkit-user-select:none;user-select:none}.btn:disabled{opacity:.6;cursor:not-allowed}.btn.btn-primary{background:var(--gradient-primary);color:var(--text-inverse);border-color:var(--primary-color)}.btn.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:var(--shadow-lg)}.btn.btn-secondary{background:var(--gradient-secondary);color:var(--text-inverse);border-color:var(--secondary-color)}.btn.btn-secondary:hover:not(:disabled){transform:translateY(-1px);box-shadow:var(--shadow-lg)}.btn.btn-outline{background:transparent;color:var(--primary-color);border-color:var(--primary-color)}.btn.btn-outline:hover:not(:disabled){background:var(--primary-color);color:var(--text-inverse)}.btn.btn-small{padding:var(--spacing-xs) var(--spacing-sm);font-size:.75rem}.btn.btn-large{padding:var(--spacing-md) var(--spacing-xl);font-size:1rem}.card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:all var(--transition-normal);overflow:hidden}.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.card .card-header{padding:var(--spacing-lg);border-bottom:1px solid var(--border-light)}.card .card-body{padding:var(--spacing-lg)}.card .card-footer{padding:var(--spacing-lg);border-top:1px solid var(--border-light);background:var(--bg-secondary)}.loading{display:inline-block;width:20px;height:20px;border:2px solid var(--border-light);border-radius:50%;border-top-color:var(--primary-color);animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.fade-in-up{animation:fadeInUp .6s 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