:root{--primary: #6366f1;--primary-hover: #4f46e5;--bg: #f8fafc;--card-bg: #ffffff;--text: #1e293b;--text-secondary: #64748b;--border: #e2e8f0;--shadow: 0 1px 3px rgba(0, 0, 0, .1);--radius: 12px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--bg);color:var(--text);line-height:1.6}.app{min-height:100vh;display:flex;flex-direction:column}.header{background:var(--card-bg);border-bottom:1px solid var(--border);padding:2rem 1rem;text-align:center}.header-content{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:center;gap:1rem}.site-logo{width:48px;height:48px;border-radius:50%;object-fit:cover}.site-title-group{text-align:left}.site-title{font-size:1.5rem;font-weight:600;color:var(--text)}.site-subtitle{font-size:.875rem;color:var(--text-secondary);margin-top:.25rem}.main{flex:1;padding:2rem 1rem;max-width:1200px;margin:0 auto;width:100%}.nav-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}.nav-card{transition:transform .2s,box-shadow .2s}.nav-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.nav-card-link{display:flex;align-items:center;gap:1rem;padding:1rem;text-decoration:none;color:inherit}.nav-card-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;background:var(--bg);border-radius:var(--radius);flex-shrink:0}.nav-card-icon img{width:32px;height:32px;object-fit:contain}.nav-card-info{flex:1;min-width:0}.nav-card-title{font-weight:600;font-size:1rem;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.nav-card-desc{font-size:.875rem;color:var(--text-secondary);margin-top:.25rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.nav-card-category{display:inline-block;font-size:.75rem;color:var(--primary);background:#6366f11a;padding:.125rem .5rem;border-radius:9999px;margin-top:.5rem}.empty-state{text-align:center;padding:4rem 2rem;color:var(--text-secondary)}.empty-icon{font-size:3rem;margin-bottom:1rem}.footer{background:var(--card-bg);border-top:1px solid var(--border);padding:1.5rem;text-align:center;color:var(--text-secondary);font-size:.875rem}.loading-container,.error-container{display:flex;align-items:center;justify-content:center;min-height:100vh}.loading-spinner{font-size:1.25rem;color:var(--text-secondary)}.error-message{color:#ef4444;font-size:1.25rem}.admin{min-height:100vh;background:var(--bg)}.admin-header{background:var(--card-bg);border-bottom:1px solid var(--border);padding:1rem 2rem;display:flex;align-items:center;justify-content:space-between}.admin-header h1{font-size:1.25rem;font-weight:600}.admin-main{padding:2rem;max-width:1200px;margin:0 auto}.admin-card{margin-bottom:2rem}.admin-card h3{font-size:1.125rem;font-weight:600;margin-bottom:1.5rem;padding-bottom:.75rem;border-bottom:1px solid var(--border)}.nav-list{display:flex;flex-direction:column;gap:1rem}.nav-item{background:var(--bg);border-radius:var(--radius);padding:1rem;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem}.nav-item-info{flex:1;min-width:0}.nav-item-title{font-weight:600;margin-bottom:.25rem}.nav-item-url{font-size:.875rem;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.nav-item-category{display:inline-block;font-size:.75rem;color:var(--primary);background:#6366f11a;padding:.125rem .5rem;border-radius:9999px;margin-top:.5rem}.nav-item-actions{display:flex;gap:.5rem}.edit-form{width:100%;margin-top:1rem;padding-top:1rem;border-top:1px solid var(--border)}.admin-login{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg)}.login-card{width:100%;max-width:400px;margin:1rem}.login-card h2{text-align:center;margin-bottom:2rem;font-size:1.5rem;font-weight:600}.admin-tabs{margin-bottom:2rem}.admin-tab-nav{display:flex;gap:.5rem;margin-bottom:1.5rem;border-bottom:2px solid var(--border);padding-bottom:.5rem}.admin-tab-button{padding:.75rem 1.5rem;border:none;background:none;cursor:pointer;font-size:1rem;font-weight:500;color:var(--text-secondary);border-radius:var(--radius) var(--radius) 0 0;transition:all .2s}.admin-tab-button:hover{color:var(--text);background:var(--bg)}.admin-tab-button.active{color:var(--primary);background:var(--card-bg);border-bottom:2px solid var(--primary);margin-bottom:-2px}.admin-tab-content{min-height:400px}.theme-dark{--bg: #0f172a;--card-bg: #1e293b;--text: #f1f5f9;--text-secondary: #94a3b8;--border: #334155;--shadow: 0 1px 3px rgba(0, 0, 0, .3)}.theme-pink{--bg: #fdf2f8;--card-bg: #ffffff;--text: #831843;--text-secondary: #9d174d;--border: #fbcfe8;--primary: #ec4899;--primary-hover: #db2777}.theme-blue{--bg: #eff6ff;--card-bg: #ffffff;--text: #1e3a8a;--text-secondary: #1e40af;--border: #bfdbfe;--primary: #3b82f6;--primary-hover: #2563eb}@media(max-width:768px){.header{padding:1.5rem 1rem}.header-content{flex-direction:column;text-align:center}.site-title-group{text-align:center}.nav-grid{grid-template-columns:1fr}.admin-header{flex-direction:column;gap:1rem;text-align:center}.admin-main{padding:1rem}.nav-item{flex-direction:column;align-items:flex-start}.nav-item-actions{width:100%;justify-content:flex-end}}.mobile-columns-2 .nav-grid{grid-template-columns:repeat(2,1fr)}@media(max-width:480px){.mobile-columns-2 .nav-grid{grid-template-columns:repeat(2,1fr);gap:1rem}.mobile-columns-2 .nav-card-link{flex-direction:column;text-align:center;padding:.75rem}.mobile-columns-2 .nav-card-icon{width:40px;height:40px}}