@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Noto+Sans+Thai:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap";
:root{--bg-primary:#0a0f1e;--bg-secondary:#111827;--bg-card:#111827d9;--bg-card-hover:#1e293bf2;--bg-sidebar:#0d1321;--bg-input:#1e293b99;--border-color:#47556966;--border-hover:#6366f180;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--accent:#10b981;--accent-hover:#34d399;--accent-glow:#10b98126;--blue:#3b82f6;--purple:#8b5cf6;--orange:#f59e0b;--pink:#ec4899;--red:#ef4444;--sidebar-w:280px;--header-h:64px;--radius:12px;--radius-sm:8px;--transition:.2s cubic-bezier(.4, 0, .2, 1)}[data-theme=light]{--bg-primary:#f8fafc;--bg-secondary:#fff;--bg-card:#ffffffe6;--bg-card-hover:#f1f5f9;--bg-sidebar:#fff;--bg-input:#f1f5f9cc;--border-color:#cbd5e199;--border-hover:#6366f166;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background:var(--bg-primary);color:var(--text-primary);min-height:100vh;font-family:Inter,Noto Sans Thai,system-ui,sans-serif;line-height:1.7;overflow-x:hidden}a{color:var(--accent);transition:color var(--transition);text-decoration:none}a:hover{color:var(--accent-hover)}img{max-width:100%;height:auto;display:block}.app-layout{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-w);background:var(--bg-sidebar);border-right:1px solid var(--border-color);z-index:100;flex-direction:column;transition:transform .3s;display:flex;position:fixed;top:0;bottom:0;left:0;overflow-y:auto}.sidebar-header{border-bottom:1px solid var(--border-color);align-items:center;gap:12px;padding:20px 20px 16px;display:flex}.sidebar-logo{background:linear-gradient(135deg, var(--accent), var(--blue));border-radius:var(--radius-sm);color:#fff;justify-content:center;align-items:center;width:36px;height:36px;font-size:18px;font-weight:700;display:flex}.sidebar-brand{color:var(--text-primary);font-size:15px;font-weight:700}.sidebar-brand span{color:var(--text-muted);font-size:11px;font-weight:400;display:block}.sidebar-search{padding:12px 16px}.sidebar-search input{background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);transition:border var(--transition);outline:none;padding:8px 12px 8px 36px;font-size:13px}.sidebar-search input:focus{border-color:var(--accent)}.sidebar-search-wrap{position:relative}.sidebar-search-icon{color:var(--text-muted);pointer-events:none;font-size:14px;position:absolute;top:50%;left:10px;transform:translateY(-50%)}.sidebar-nav{flex:1;padding:8px 0;overflow-y:auto}.sidebar-section{margin-bottom:4px}.sidebar-section-title{text-transform:uppercase;letter-spacing:1.2px;color:var(--text-muted);padding:8px 20px 4px;font-size:10px;font-weight:700}.sidebar-group{margin-bottom:2px}.sidebar-group-btn{width:100%;color:var(--text-secondary);cursor:pointer;transition:all var(--transition);text-align:left;background:0 0;border:none;align-items:center;gap:10px;padding:9px 20px;font-family:inherit;font-size:13.5px;font-weight:500;display:flex}.sidebar-group-btn:hover{color:var(--text-primary);background:var(--accent-glow)}.sidebar-group-btn.active{color:var(--accent);background:var(--accent-glow)}.sidebar-group-icon{flex-shrink:0;justify-content:center;align-items:center;width:22px;height:22px;font-size:15px;display:flex}.sidebar-group-arrow{transition:transform var(--transition);color:var(--text-muted);margin-left:auto;font-size:10px}.sidebar-group-btn.open .sidebar-group-arrow{transform:rotate(90deg)}.sidebar-children{max-height:0;transition:max-height .3s;overflow:hidden}.sidebar-children.open{max-height:600px}.sidebar-child-link{color:var(--text-muted);transition:all var(--transition);border-left:2px solid #0000;padding:6px 20px 6px 52px;font-size:13px;display:block}.sidebar-child-link:hover{color:var(--text-primary);background:#ffffff08}.sidebar-child-link.active{color:var(--accent);border-left-color:var(--accent);background:var(--accent-glow)}.sidebar-footer{border-top:1px solid var(--border-color);color:var(--text-muted);text-align:center;padding:16px 20px;font-size:11px}.main-content{margin-left:var(--sidebar-w);flex:1;min-height:100vh}.top-header{z-index:50;height:var(--header-h);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);background:#0a0f1ed9;justify-content:space-between;align-items:center;padding:0 32px;display:flex;position:sticky;top:0}[data-theme=light] .top-header{background:#f8fafcd9}.breadcrumb{color:var(--text-muted);align-items:center;gap:8px;font-size:13px;display:flex}.breadcrumb a{color:var(--text-muted)}.breadcrumb a:hover{color:var(--accent)}.breadcrumb-sep{color:var(--text-muted);opacity:.4}.breadcrumb-current{color:var(--text-primary);font-weight:500}.header-actions{align-items:center;gap:8px;display:flex}.theme-toggle,.locale-toggle{background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:all var(--transition);padding:6px 12px;font-family:inherit;font-size:13px}.theme-toggle:hover,.locale-toggle:hover{border-color:var(--accent);color:var(--text-primary)}.mobile-menu-btn{color:var(--text-primary);cursor:pointer;background:0 0;border:none;padding:8px;font-size:20px;display:none}.page-content{max-width:900px;margin:0 auto;padding:40px 32px 80px}.page-title{letter-spacing:-.5px;background:linear-gradient(135deg, var(--text-primary), var(--accent));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:8px;font-size:32px;font-weight:800}.page-subtitle{color:var(--text-secondary);margin-bottom:32px;font-size:16px;line-height:1.6}.hero{text-align:center;padding:60px 0 40px;position:relative}.hero:before{content:"";background:radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);pointer-events:none;z-index:0;width:600px;height:600px;position:absolute;top:-100px;left:50%;transform:translate(-50%)}.hero-badge{background:var(--accent-glow);color:var(--accent);z-index:1;border:1px solid #10b9814d;border-radius:20px;align-items:center;gap:6px;margin-bottom:20px;padding:6px 16px;font-size:12px;font-weight:600;display:inline-flex;position:relative}.hero h1{letter-spacing:-1px;z-index:1;background:linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 50%, var(--blue) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:16px;font-size:48px;font-weight:800;position:relative}.hero p{color:var(--text-secondary);z-index:1;max-width:560px;margin:0 auto;font-size:17px;line-height:1.7;position:relative}.stats-bar{z-index:1;justify-content:center;gap:40px;margin:40px 0;display:flex;position:relative}.stat-item{text-align:center}.stat-value{background:linear-gradient(135deg, var(--accent), var(--blue));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:28px;font-weight:800}.stat-label{color:var(--text-muted);margin-top:2px;font-size:12px}.category-filter{justify-content:center;gap:8px;margin-bottom:32px;display:flex}.category-btn{border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;transition:all var(--transition);background:0 0;border-radius:20px;padding:8px 20px;font-family:inherit;font-size:13px;font-weight:500}.category-btn:hover{border-color:var(--accent);color:var(--accent)}.category-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}.app-cards{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;margin-top:20px;display:grid}.app-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius);cursor:pointer;color:inherit;padding:28px 24px;text-decoration:none;transition:all .3s;display:block;position:relative;overflow:hidden}.app-card:before{content:"";background:linear-gradient(90deg, var(--card-accent,var(--accent)), transparent);opacity:0;height:3px;transition:opacity .3s;position:absolute;top:0;left:0;right:0}.app-card:hover{border-color:var(--border-hover);transform:translateY(-4px);box-shadow:0 12px 40px #0000004d}.app-card:hover:before{opacity:1}.app-card-badge{border-radius:12px;align-items:center;gap:4px;margin-bottom:14px;padding:3px 10px;font-size:11px;font-weight:600;display:inline-flex}.badge-web{color:var(--blue);background:#3b82f626}.badge-app{color:var(--purple);background:#8b5cf626}.app-card-icon{border-radius:var(--radius-sm);justify-content:center;align-items:center;width:48px;height:48px;margin-bottom:16px;font-size:24px;display:flex}.app-card h3{color:var(--text-primary);margin-bottom:6px;font-size:18px;font-weight:700}.app-card p{color:var(--text-secondary);margin-bottom:16px;font-size:13.5px;line-height:1.5}.app-card-arrow{color:var(--accent);transition:gap var(--transition);align-items:center;gap:4px;font-size:13px;font-weight:600;display:flex}.app-card:hover .app-card-arrow{gap:8px}.guide-header{border-bottom:1px solid var(--border-color);margin-bottom:40px;padding-bottom:24px}.guide-header-meta{flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:16px;display:flex}.guide-reading-time{color:var(--text-muted);align-items:center;gap:4px;font-size:12px;display:flex}.feature-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;margin:24px 0;display:grid}.feature-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius);transition:all var(--transition);padding:20px}.feature-card:hover{border-color:var(--border-hover);transform:translateY(-2px)}.feature-card-icon{margin-bottom:12px;font-size:28px}.feature-card h4{margin-bottom:6px;font-size:15px;font-weight:600}.feature-card p{color:var(--text-secondary);font-size:13px}.step-list{counter-reset:step;margin:24px 0}.step-item{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius);transition:border-color var(--transition);margin-bottom:16px;padding:20px 24px 20px 72px;position:relative}.step-item:hover{border-color:var(--border-hover)}.step-number{background:linear-gradient(135deg, var(--accent), var(--blue));color:#fff;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;font-size:14px;font-weight:700;display:flex;position:absolute;top:20px;left:20px}.step-title{margin-bottom:4px;font-size:15px;font-weight:600}.step-desc{color:var(--text-secondary);font-size:13.5px;line-height:1.6}.step-screenshot{border-radius:var(--radius-sm);border:1px solid var(--border-color);margin-top:16px;overflow:hidden}.step-screenshot img{width:100%}.callout{border-radius:var(--radius-sm);gap:12px;margin:20px 0;padding:16px 20px;font-size:13.5px;line-height:1.6;display:flex}.callout-icon{flex-shrink:0;margin-top:1px;font-size:18px}.callout-tip{border-left:3px solid var(--accent);background:#10b98114}.callout-warning{border-left:3px solid var(--orange);background:#f59e0b14}.callout-note{border-left:3px solid var(--blue);background:#3b82f614}.screenshot-gallery{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin:24px 0;display:grid}.screenshot-item{border-radius:var(--radius);border:1px solid var(--border-color);cursor:pointer;transition:all var(--transition);overflow:hidden}.screenshot-item:hover{border-color:var(--accent);transform:scale(1.02);box-shadow:0 8px 30px #0000004d}.screenshot-caption{color:var(--text-secondary);background:var(--bg-secondary);text-align:center;padding:8px 12px;font-size:12px}.phone-frame{background:#1a1a2e;border-radius:28px;padding:12px;display:inline-block;box-shadow:0 20px 60px #0006}.phone-screen{border-radius:20px;width:240px;overflow:hidden}.video-section{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius);margin:32px 0;padding:24px}.video-placeholder{aspect-ratio:16/9;background:linear-gradient(135deg, var(--bg-secondary), #10b9810d);border-radius:var(--radius-sm);color:var(--text-muted);cursor:pointer;transition:all var(--transition);border:1px dashed var(--border-color);flex-direction:column;justify-content:center;align-items:center;gap:12px;display:flex}.video-placeholder:hover{border-color:var(--accent);color:var(--accent)}.video-play-icon{font-size:48px}.video-label{font-size:14px;font-weight:500}.page-nav{border-top:1px solid var(--border-color);justify-content:space-between;gap:16px;margin-top:60px;padding-top:24px;display:flex}.page-nav-link{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius);transition:all var(--transition);flex-direction:column;flex:1;gap:4px;max-width:45%;padding:16px 20px;text-decoration:none;display:flex}.page-nav-link:hover{border-color:var(--accent);transform:translateY(-2px)}.page-nav-link.next{text-align:right;margin-left:auto}.page-nav-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-size:11px}.page-nav-title{color:var(--text-primary);font-size:14px;font-weight:600}.helpful-widget{text-align:center;background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border-color);margin-top:48px;padding:24px}.helpful-widget p{color:var(--text-secondary);margin-bottom:12px;font-size:14px}.helpful-btns{justify-content:center;gap:8px;display:flex}.helpful-btn{border-radius:var(--radius-sm);border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;transition:all var(--transition);background:0 0;padding:8px 24px;font-family:inherit;font-size:13px}.helpful-btn:hover{border-color:var(--accent);color:var(--accent)}.site-footer{border-top:1px solid var(--border-color);text-align:center;color:var(--text-muted);padding:24px 32px;font-size:12px}@media (max-width:1024px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.main-content{margin-left:0}.mobile-menu-btn{display:block}.sidebar-overlay{z-index:99;opacity:0;pointer-events:none;background:#00000080;transition:opacity .3s;position:fixed;inset:0}.sidebar-overlay.open{opacity:1;pointer-events:auto}}@media (max-width:640px){.hero h1{font-size:32px}.hero p{font-size:15px}.stats-bar{flex-wrap:wrap;gap:20px}.stat-value{font-size:22px}.app-cards{grid-template-columns:1fr}.page-content{padding:24px 16px 60px}.page-title{font-size:26px}.page-nav{flex-direction:column}.page-nav-link{max-width:100%}.feature-grid{grid-template-columns:1fr}.screenshot-gallery{grid-template-columns:repeat(2,1fr)}}