@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-color:#f8fafc;--text-primary:#0f172a;--text-secondary:#64748b;--sidebar-bg:#fff;--topbar-bg:#fff;--border-color:#e2e8f0;--primary:#2563eb;--primary-hover:#1d4ed8;--primary-light:#eff6ff;--card-bg:255, 255, 255;--card-hover:#f8fafc;--item-hover:rgba(var(--card-bg), .05);--item-active:rgba(var(--card-bg), .1);--radius:12px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a}[data-theme=dark]{--bg-color:#0f172a;--text-primary:#f8fafc;--text-secondary:#94a3b8;--sidebar-bg:#1e293b;--topbar-bg:#1e293b;--border-color:#334155;--primary:#3b82f6;--primary-hover:#60a5fa;--primary-light:#1e3a8a80;--card-bg:30, 41, 59;--card-hover:#1e293b;--item-hover:#ffffff0d;--item-active:#ffffff1a}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-primary);-webkit-font-smoothing:antialiased;font-family:Inter,system-ui,-apple-system,sans-serif;transition:background-color .3s,color .3s;overflow-x:hidden}.layout-container{width:100vw;height:100vh;display:flex;overflow:hidden}.sidebar{background-color:var(--sidebar-bg);border-right:1px solid var(--border-color);z-index:20;flex-direction:column;width:280px;transition:width .3s,background-color .3s,border-color .3s,transform .3s;display:flex}.sidebar.collapsed{width:80px}.main-content{flex-direction:column;flex:1;display:flex;position:relative;overflow:hidden}.topbar{background-color:var(--topbar-bg);border-bottom:1px solid var(--border-color);z-index:10;justify-content:space-between;align-items:center;height:64px;padding:0 24px;transition:background-color .3s,border-color .3s;display:flex}.content-area{scrollbar-width:thin;scrollbar-color:var(--border-color) transparent;flex:1;padding:40px;overflow-y:auto}.content-area::-webkit-scrollbar{width:8px}.content-area::-webkit-scrollbar-thumb{background-color:var(--border-color);border-radius:4px}a{color:inherit;text-decoration:none}button{cursor:pointer;color:inherit;background:0 0;border:none;font-family:inherit}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2}.glass-panel{background:rgba(var(--card-bg), .7);-webkit-backdrop-filter:blur(10px);border:1px solid var(--border-color)}.fade-in{animation:.4s forwards fadeIn}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (width<=768px){.sidebar{height:100%;position:absolute;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.content-area{padding:24px}}.sidebar-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;height:64px;padding:0 24px;display:flex}.logo{color:var(--primary);letter-spacing:-.5px;align-items:center;gap:12px;font-size:1.25rem;font-weight:700;display:flex}.logo-icon{color:var(--primary)}.collapsed-hidden{white-space:nowrap;transition:opacity .2s}.sidebar.collapsed .collapsed-hidden{opacity:0;width:0;display:none;overflow:hidden}.sidebar.collapsed .sidebar-header{justify-content:center;padding:0}.sidebar.collapsed .logo{justify-content:center;gap:0}.sidebar.collapsed .nav-item{justify-content:center;padding:12px}.sidebar.collapsed .nav-label{visibility:hidden;height:0;margin:0}.sidebar-nav{scrollbar-width:thin;scrollbar-color:transparent transparent;flex:1;padding:24px 16px;transition:scrollbar-color .3s;overflow-y:auto}.sidebar-nav:hover{scrollbar-color:var(--border-color) transparent}.sidebar-nav::-webkit-scrollbar{width:4px}.sidebar-nav::-webkit-scrollbar-track{background:0 0}.sidebar-nav::-webkit-scrollbar-thumb{background-color:#0000;border-radius:4px}.sidebar-nav:hover::-webkit-scrollbar-thumb{background-color:var(--border-color)}.nav-list{flex-direction:column;gap:4px;list-style:none;display:flex}.nav-label{text-transform:uppercase;color:var(--text-secondary);letter-spacing:.5px;margin:16px 0 8px 12px;font-size:.75rem;font-weight:600}.nav-item{color:var(--text-secondary);border-radius:8px;align-items:center;gap:12px;padding:10px 12px;font-size:.95rem;font-weight:500;transition:all .2s;display:flex}.nav-item:hover{background-color:var(--item-hover);color:var(--text-primary)}.nav-item.active,.nav-item.active-category{background-color:var(--item-active);color:var(--primary);font-weight:600}.md-hidden{display:none}@media (width<=768px){.md-hidden{display:flex}.sidebar-overlay{z-index:15;opacity:0;pointer-events:none;background:#00000080;transition:opacity .3s;position:fixed;inset:0}.sidebar-overlay.active{opacity:1;pointer-events:all}}.breadcrumb{color:var(--text-secondary);align-items:center;font-size:.85rem;display:flex}.breadcrumb-link{color:var(--text-secondary);border-radius:4px;align-items:center;gap:4px;padding:4px;transition:color .2s;display:flex}.breadcrumb-link:hover{color:var(--primary);background-color:var(--item-hover)}.breadcrumb-separator{color:var(--border-color);margin:0 8px}.breadcrumb-current{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;max-width:200px;font-weight:500;overflow:hidden}.topbar-left{align-items:center;gap:16px;display:flex}.topbar-logo-container{cursor:pointer;align-items:center;transition:transform .2s;display:flex}.topbar-logo-container:hover{transform:scale(1.02)}.topbar-logo{object-fit:contain;width:auto;height:38px}.menu-btn{color:var(--text-secondary);border-radius:8px;justify-content:center;align-items:center;padding:8px;transition:background-color .2s;display:flex}.menu-btn:hover{background-color:var(--item-hover);color:var(--text-primary)}.topbar-right{align-items:center;gap:16px;display:flex}.search-container{width:320px;position:relative}.search-input-wrapper{align-items:center;display:flex;position:relative}.search-icon{color:var(--text-secondary);position:absolute;left:12px}.search-input-wrapper input{border:1px solid var(--border-color);background-color:var(--bg-color);width:100%;color:var(--text-primary);border-radius:24px;outline:none;padding:10px 12px 10px 40px;font-family:inherit;font-size:.95rem;transition:all .2s}.search-input-wrapper input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.search-dropdown{border-radius:var(--radius);max-height:400px;box-shadow:var(--shadow-md);z-index:50;padding:8px;position:absolute;top:calc(100% + 8px);left:0;right:0;overflow-y:auto}.search-results{flex-direction:column;gap:4px;list-style:none;display:flex}.search-result-item{cursor:pointer;border-radius:8px;padding:12px;transition:background-color .2s}.search-result-item:hover{background-color:var(--item-hover)}.sr-title{color:var(--text-primary);margin-bottom:4px;font-size:.95rem;font-weight:500}.sr-category{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-size:.75rem}.theme-toggle-btn{width:40px;height:40px;color:var(--text-secondary);background-color:var(--item-hover);border-radius:50%;justify-content:center;align-items:center;transition:all .2s;display:flex}.theme-toggle-btn:hover{background-color:var(--item-active);color:var(--text-primary)}.p-4{padding:16px}.text-center{text-align:center}.text-secondary{color:var(--text-secondary)}.text-sm{font-size:.875rem}@media (width<=768px){.breadcrumb-wrapper.md-hidden{display:none}.search-container{width:200px}}@media (width<=480px){.search-container{width:150px}}.dashboard{max-width:1100px;margin:0 auto}.dash-hero{text-align:center;background:linear-gradient(to bottom, var(--primary-light), transparent);border-radius:var(--radius);margin-bottom:40px;padding:40px 20px 60px}.dash-title{color:var(--text-primary);letter-spacing:-.5px;margin-bottom:16px;font-size:2.5rem;font-weight:700}.dash-subtitle{color:var(--text-secondary);max-width:600px;margin:0 auto;font-size:1.15rem}.dash-section{margin-bottom:48px}.section-title{margin-bottom:24px;font-size:1.5rem;display:inline-block;position:relative}.section-title:after{content:"";background-color:var(--primary);border-radius:2px;width:40px;height:3px;position:absolute;bottom:-8px;left:0}.category-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px;display:grid}.category-card{border-radius:var(--radius);align-items:flex-start;gap:16px;padding:24px;transition:all .3s;display:flex;position:relative;overflow:hidden}.category-card:hover{box-shadow:var(--shadow-md);border-color:var(--primary);transform:translateY(-4px)}.cat-icon-wrapper{background-color:var(--primary-light);color:var(--primary);border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;padding:12px;display:flex}[data-theme=dark] .cat-icon-wrapper{background-color:#3b82f633}.cat-title{color:var(--text-primary);margin-bottom:8px;font-size:1.15rem;font-weight:600}.cat-desc{color:var(--text-secondary);margin-bottom:12px;font-size:.9rem;line-height:1.5}.cat-article-count{color:var(--primary);background-color:var(--primary-light);border-radius:20px;padding:4px 8px;font-size:.8rem;font-weight:500;display:inline-block}@media (width<=768px){.dash-title{font-size:2rem}.dash-subtitle{font-size:1rem}.category-grid{grid-template-columns:1fr}}.article-card{border-radius:var(--radius);flex-direction:column;height:100%;padding:24px;transition:all .3s;display:flex}.article-card:hover{box-shadow:var(--shadow-md);border-color:var(--primary);transform:translateY(-4px)}.ac-header{align-items:center;gap:12px;margin-bottom:12px;display:flex}.ac-icon-wrapper{background-color:var(--primary-light);color:var(--primary);border-radius:8px;justify-content:center;align-items:center;width:36px;height:36px;display:flex}[data-theme=dark] .ac-icon-wrapper{background-color:var(--primary-light)}.ac-title{color:var(--text-primary);margin:0;font-size:1.1rem;line-height:1.3}.ac-summary{color:var(--text-secondary);flex:1;margin-bottom:24px;font-size:.95rem;line-height:1.5}.ac-footer{border-top:1px solid var(--border-color);justify-content:space-between;align-items:center;margin-top:auto;padding-top:16px;display:flex}.ac-stats{gap:16px;display:flex}.ac-stat-item{color:var(--text-secondary);align-items:center;gap:6px;font-size:.85rem;display:flex}.ac-stat-item.not-helpful{opacity:.7}.ac-read-more{color:var(--primary);opacity:0;font-size:.9rem;font-weight:500;transition:all .3s;transform:translate(-10px)}.article-card:hover .ac-read-more{opacity:1;transform:translate(0)}.category-page{max-width:1100px;margin:0 auto}.cat-header{margin-bottom:40px}.cat-title-row{align-items:center;gap:16px;margin-bottom:12px;display:flex}.back-link{width:40px;height:40px;color:var(--text-secondary);background-color:var(--item-hover);border-radius:50%;justify-content:center;align-items:center;transition:all .2s;display:flex}.back-link:hover{background-color:var(--item-active);color:var(--text-primary)}.cat-page-title{color:var(--text-primary);letter-spacing:-.5px;font-size:2.25rem;font-weight:700}.cat-page-desc{color:var(--text-secondary);padding-left:56px;font-size:1.15rem}.articles-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px;display:grid}.empty-state{text-align:center;border-radius:var(--radius);color:var(--text-secondary);flex-direction:column;justify-content:center;align-items:center;padding:64px 24px;display:flex}.es-icon{color:var(--border-color);margin-bottom:24px}.empty-state h3{color:var(--text-primary);margin-bottom:8px;font-size:1.25rem}@media (width<=768px){.cat-page-title{font-size:1.75rem}.cat-page-desc{margin-top:16px;padding-left:0;font-size:1rem}}.article-page{max-width:800px;margin:0 auto}.art-header{margin-bottom:40px;position:relative}.art-back-link{position:absolute;top:0;left:-60px}.art-meta{color:var(--text-secondary);align-items:center;gap:16px;margin-bottom:16px;font-size:.85rem;display:flex}.art-badge{background-color:var(--primary-light);color:var(--primary);border-radius:20px;align-items:center;gap:6px;padding:4px 10px;font-weight:500;display:flex}[data-theme=dark] .art-badge{background-color:var(--primary-light)}.art-time{align-items:center;gap:6px;display:flex}.art-title{color:var(--text-primary);letter-spacing:-.5px;margin-bottom:16px;font-size:2.5rem;font-weight:700;line-height:1.2}.art-summary{color:var(--text-secondary);font-size:1.25rem;line-height:1.5}.art-content{border-radius:var(--radius);color:var(--text-primary);margin-bottom:40px;padding:40px;font-size:1.05rem;line-height:1.7}.art-content h2{color:var(--text-primary);margin-top:32px;margin-bottom:16px;font-size:1.75rem}.art-content h3{color:var(--text-primary);margin-top:24px;margin-bottom:12px;font-size:1.35rem}.art-content p{margin-bottom:16px}.art-content ul{margin-bottom:24px;padding-left:24px}.art-content li{margin-bottom:8px}.art-content strong{color:var(--text-primary);font-weight:600}.article-img{border:1px solid var(--border-color);border-radius:12px;max-width:100%;margin:24px 0;display:block;box-shadow:0 10px 30px #0000001a}.art-step{border-bottom:1px dashed var(--border-color);margin-bottom:60px;padding-bottom:32px}.art-step:last-of-type{border-bottom:none}.art-step h3{color:var(--primary);margin-bottom:16px;font-size:1.5rem;font-weight:700}.art-intro,.art-outro{margin-bottom:40px}.art-intro h2,.art-outro h2{color:var(--primary);border-left:4px solid var(--primary);margin-bottom:24px;padding-left:16px}.art-feedback{border-radius:var(--radius);text-align:center;padding:32px}.feedback-title{color:var(--text-primary);margin-bottom:24px;font-size:1.25rem}.feedback-actions{justify-content:center;gap:16px;display:flex}.feedback-btn{border:1px solid var(--border-color);border-radius:24px;align-items:center;gap:8px;padding:10px 24px;font-weight:500;transition:all .2s;display:flex}.feedback-btn:not(:disabled):hover{background-color:var(--item-hover);border-color:var(--text-secondary)}.feedback-btn.active{background-color:var(--primary-light);border-color:var(--primary);color:var(--primary)}.feedback-thanks{color:var(--primary);background-color:var(--primary-light);border-radius:8px;margin-top:24px;padding:12px;font-weight:500}@media (width<=768px){.art-back-link{margin-bottom:16px;position:static}.art-title{font-size:2rem}.art-summary{font-size:1.1rem}.art-content{padding:24px}}.empty-content{text-align:center;background-color:var(--item-hover);border:1px dashed var(--border-color);color:var(--text-secondary);border-radius:8px;padding:40px}