:root{--bg-primary: #faf8f5;--bg-secondary: #f0ece6;--bg-sidebar: rgba(255, 255, 255, .97);--bg-card: rgba(0, 0, 0, .02);--bg-card-hover: rgba(0, 0, 0, .04);--bg-glass: rgba(255, 255, 255, .85);--accent: #e6003a;--accent-bright: #cc0033;--accent-soft: rgba(230, 0, 58, .08);--accent-border: rgba(230, 0, 58, .2);--accent-gradient: linear-gradient(135deg, #e6003a, #ff4d6d);--success: #16a34a;--danger: #e6003a;--text-primary: #111111;--text-secondary: #555555;--text-muted: #999999;--text-faint: #cccccc;--border-subtle: rgba(0, 0, 0, .08);--border-accent: rgba(230, 0, 58, .25);--radius-sm: 8px;--radius-md: 14px;--radius-lg: 18px;--radius-full: 50px;--shadow-sm: 0 1px 4px rgba(0, 0, 0, .06);--shadow-md: 0 2px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 30px rgba(0, 0, 0, .1);--shadow-xl: 0 16px 50px rgba(0, 0, 0, .12);--sidebar-width: 260px;--header-height: 64px;--font-main: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "SF Mono", "Fira Code", "Fira Mono", "Consolas", monospace;--transition-fast: .15s ease;--transition-normal: .25s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-main);background:var(--bg-primary);min-height:100vh;color:var(--text-primary);overflow-x:hidden;-webkit-font-smoothing:antialiased}#root{min-height:100vh}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#0000001f;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#0003}.intro-screen{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);transition:opacity .6s ease,transform .6s ease}.intro-screen.intro-fade-out{opacity:0;transform:scale(1.04)}.intro-content{text-align:center;animation:introReveal .8s ease}.intro-logo-icon{width:72px;height:72px;border-radius:20px;background:var(--accent-gradient);display:flex;align-items:center;justify-content:center;font-size:36px;font-weight:800;color:#fff;margin:0 auto 20px;animation:introPulse 1.5s ease infinite}.intro-title{font-size:42px;font-weight:800;background:var(--accent-gradient);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-1px}.intro-title span{-webkit-text-fill-color:var(--text-primary)}.intro-tagline{color:var(--text-muted);font-size:16px;margin-top:10px;letter-spacing:.3px}.intro-loader{width:180px;height:3px;background:var(--bg-secondary);border-radius:3px;margin:28px auto 0;overflow:hidden}.intro-loader-bar{width:100%;height:100%;background:var(--accent-gradient);border-radius:3px;animation:introLoad 1.8s ease forwards}@keyframes introReveal{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes introPulse{0%,to{box-shadow:0 0 #e6003a4d}50%{box-shadow:0 0 0 14px #e6003a00}}@keyframes introLoad{0%{transform:translate(-100%)}to{transform:translate(0)}}.app-enter{animation:appFadeIn .5s ease}@keyframes appFadeIn{0%{opacity:0}to{opacity:1}}.app-layout{display:flex;min-height:100vh}.sidebar{position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-width);background:var(--bg-sidebar);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);border-right:1px solid var(--border-subtle);display:flex;flex-direction:column;padding:24px 16px;z-index:100;transition:transform var(--transition-normal)}.sidebar-logo{display:flex;align-items:center;gap:10px;padding:0 8px;margin-bottom:8px}.sidebar-logo-icon{width:40px;height:40px;border-radius:12px;background:var(--accent-gradient);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;color:#fff;flex-shrink:0}.sidebar-logo-text{font-size:22px;font-weight:800;background:var(--accent-gradient);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.5px}.sidebar-logo-text span{-webkit-text-fill-color:var(--text-primary)}.sidebar-version{background:var(--accent-soft);color:var(--accent);border:1px solid var(--accent-border);border-radius:var(--radius-full);padding:3px 12px;font-size:11px;font-weight:600;margin:0 8px 20px;width:fit-content;font-family:var(--font-mono)}.sidebar-nav{flex:1;display:flex;flex-direction:column;gap:2px}.sidebar-section-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:1.2px;color:var(--text-muted);padding:16px 12px 8px}.sidebar-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);font-size:14px;font-weight:500;-webkit-user-select:none;user-select:none;border:none;background:none;width:100%;text-align:left;text-decoration:none;font-family:var(--font-main)}.sidebar-item:hover{background:var(--bg-card-hover);color:var(--text-primary)}.sidebar-item.active{background:var(--accent-soft);color:var(--accent);font-weight:600}.sidebar-item-icon{font-size:18px;width:24px;text-align:center;flex-shrink:0}.sidebar-external-icon{margin-left:auto;font-size:12px;color:var(--text-muted)}.sidebar-footer{border-top:1px solid var(--border-subtle);padding-top:16px}.sidebar-install{display:block;background:var(--accent-soft);border:1px solid var(--accent-border);border-radius:var(--radius-sm);padding:8px 12px;font-size:12px;color:var(--accent);font-family:var(--font-mono);text-align:center}.sidebar-overlay{display:none}.main-content{margin-left:var(--sidebar-width);flex:1;min-height:100vh}.top-bar{position:sticky;top:0;z-index:50;background:#ffffffeb;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--border-subtle);padding:0 28px}.top-bar-inner{max-width:1400px;margin:0 auto;height:var(--header-height);display:flex;align-items:center;gap:16px}.top-bar-title{flex:1}.top-bar-title h2{font-size:18px;font-weight:700;color:var(--text-primary);line-height:1.2}.top-bar-tagline{font-size:13px;color:var(--text-muted)}.btn-toggle{padding:8px 18px;border-radius:var(--radius-full);border:1px solid var(--accent-border);font-family:var(--font-main);font-size:13px;font-weight:600;cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}.btn-toggle-off{background:var(--accent-soft);color:var(--accent)}.btn-toggle-on{background:var(--accent-gradient);color:#fff;border-color:transparent}.btn-toggle:hover{transform:translateY(-1px);box-shadow:var(--shadow-sm)}.example-intro{padding:36px 28px 24px;animation:fadeInUp .4s ease}.example-intro-inner{max-width:800px}.example-heading{font-size:clamp(1.6rem,4vw,2.4rem);font-weight:800;background:linear-gradient(135deg,var(--text-primary) 30%,var(--accent) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1.15;margin-bottom:10px}.example-description{color:var(--text-secondary);font-size:15px;line-height:1.7;max-width:640px}.example-features{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap}.example-feature-tag{background:var(--accent-soft);color:var(--accent);font-size:12px;font-weight:600;padding:4px 12px;border-radius:var(--radius-full);border:1px solid var(--accent-border)}.code-panel{max-width:900px;padding:0 28px 24px;animation:slideDown .3s ease}.code-block-container{background:#1e1e2e;border:1px solid rgba(0,0,0,.1);border-radius:var(--radius-md);overflow:hidden}.code-header{display:flex;justify-content:space-between;align-items:center;padding:10px 18px;border-bottom:1px solid rgba(255,255,255,.08);background:#ffffff0a}.code-title{font-size:13px;color:#ffffff80;font-family:var(--font-mono)}.copy-btn{background:#ffffff14;border:1px solid rgba(255,255,255,.15);color:#ffffffb3;border-radius:6px;padding:4px 12px;font-size:12px;font-weight:600;cursor:pointer;transition:all var(--transition-fast);font-family:var(--font-main)}.copy-btn:hover{background:#ffffff26;color:#fff}.copy-btn.copied{color:var(--success)}.code-pre{padding:20px 24px;overflow-x:auto;font-size:13px;line-height:1.7;color:#d4d4d8;margin:0;font-family:var(--font-mono)}.grid-section{padding:0 20px 24px}.grid-container{max-width:1400px;margin:0 auto}.pin-card{border-radius:var(--radius-lg);overflow:hidden;position:relative;cursor:pointer;box-shadow:var(--shadow-md);transition:box-shadow var(--transition-normal),transform var(--transition-normal)}.pin-card:hover{box-shadow:var(--shadow-xl);transform:translateY(-4px)}.pin-card img{display:block;width:100%;height:auto}.pin-overlay{position:absolute;inset:0;background:linear-gradient(to bottom,#0000 40%,#000000b8);opacity:0;transition:opacity var(--transition-normal);display:flex;flex-direction:column;justify-content:space-between;padding:14px 14px 16px}.pin-card:hover .pin-overlay{opacity:1}.pin-actions-top{display:flex;justify-content:flex-end;gap:8px}.pin-action-btn{background:#ffffff26;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:none;border-radius:var(--radius-full);width:38px;height:38px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:15px;transition:all var(--transition-fast);color:#fff}.pin-action-btn:hover{background:#ffffff40;transform:scale(1.1)}.pin-action-btn.liked{background:linear-gradient(135deg,#ff3d6b,#ff6b3d);transform:scale(1.15)}.pin-action-btn.saved{background:var(--accent-gradient)}.pin-info{display:flex;flex-direction:column;gap:4px}.pin-title{margin:0;color:#fff;font-weight:700;font-size:14px;letter-spacing:.2px;text-shadow:0 1px 4px rgba(0,0,0,.5)}.pin-meta{display:flex;align-items:center;justify-content:space-between}.pin-author{color:#ffffffbf;font-size:12px}.pin-likes{color:#ffffffa6;font-size:12px}.pin-card-custom{border-radius:var(--radius-lg);overflow:hidden;background:#fff;box-shadow:var(--shadow-md);transition:all var(--transition-normal)}.pin-card-custom:hover{box-shadow:var(--shadow-xl);transform:translateY(-4px)}.pin-card-custom img{display:block;width:100%;height:auto}.pin-card-custom-footer{padding:12px 14px;border-top:1px solid var(--border-subtle)}.pin-card-custom-footer h3{font-size:13px;font-weight:600;color:var(--text-primary);margin:0 0 4px}.pin-card-custom-footer .pin-author{font-size:11px;color:var(--text-muted)}.features-section{max-width:1400px;margin:0 auto;padding:40px 28px 32px}.section-title{font-size:20px;font-weight:700;color:var(--text-primary)}.section-subtitle{font-size:13px;color:var(--text-muted);margin-top:4px}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin-top:20px}.feature-card{background:#fff;border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:24px;transition:all var(--transition-normal)}.feature-card:hover{border-color:var(--accent-border);transform:translateY(-2px);box-shadow:var(--shadow-md)}.feature-card-icon{font-size:28px;margin-bottom:12px}.feature-card-title{font-size:16px;font-weight:700;color:var(--text-primary);margin-bottom:6px}.feature-card-desc{font-size:13px;color:var(--text-secondary);line-height:1.6}.feature-card-tag{display:inline-block;background:var(--accent-soft);color:var(--accent);font-size:11px;font-weight:600;padding:3px 10px;border-radius:var(--radius-full);margin-top:12px}.app-footer{max-width:1400px;margin:0 auto;padding:40px 28px 60px;border-top:1px solid var(--border-subtle)}.footer-content{display:flex;justify-content:space-between;align-items:flex-start;gap:40px;flex-wrap:wrap}.footer-left{max-width:400px}.footer-left h3{font-size:16px;font-weight:700;color:var(--text-primary);margin-bottom:8px}.footer-left p{font-size:13px;color:var(--text-muted);line-height:1.7}.footer-links{display:flex;gap:48px}.footer-col h4{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--text-secondary);margin-bottom:12px}.footer-col a,.footer-link-btn{display:block;color:var(--text-muted);text-decoration:none;font-size:13px;padding:3px 0;transition:color var(--transition-fast);background:none;border:none;cursor:pointer;text-align:left;font-family:var(--font-main)}.footer-col a:hover,.footer-link-btn:hover{color:var(--accent)}.footer-bottom{display:flex;align-items:center;justify-content:center;padding-top:24px;margin-top:24px;border-top:1px solid var(--border-subtle);color:var(--text-muted);font-size:12px}.hamburger-btn{display:none;width:42px;height:42px;border:1px solid var(--border-subtle);background:var(--bg-glass);color:var(--text-primary);border-radius:var(--radius-sm);cursor:pointer;font-size:20px;align-items:center;justify-content:center}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}@media(max-width:900px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.sidebar-overlay{position:fixed;inset:0;background:#0006;z-index:99;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.sidebar-overlay.visible{display:block}.main-content{margin-left:0}.hamburger-btn{display:flex}.example-heading{font-size:clamp(1.3rem,4vw,1.8rem)}.features-grid{grid-template-columns:1fr}.footer-content{flex-direction:column}.footer-links{flex-direction:column;gap:24px}}@media(max-width:600px){.example-intro{padding:24px 16px 16px}.features-section{padding:24px 16px}.grid-section{padding:0 10px 20px}}