@import"https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@300;400;500;600;700;800&family=Fira+Code:wght@400;500;600;700&display=swap";:root{--primary: #4a7fa7;--primary-light: #b3cfe5;--primary-dark: #1a3d63;--secondary: #0a1931;--accent: #b3cfe5;--accent-light: #f6fafd;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--gradient-primary: linear-gradient(135deg, #1a3d63, #4a7fa7);--gradient-accent: linear-gradient(135deg, #b3cfe5, #4a7fa7);--gradient-hero: linear-gradient( 135deg, #e6f0f9 0%, #f6fafd 50%, #b3cfe5 100% );--gradient-card: linear-gradient( 135deg, rgba(74, 127, 167, .1), rgba(26, 61, 99, .05) );--bg-primary: #f6fafd;--bg-secondary: #ebf4fa;--bg-card: #ffffff;--bg-glass: rgba(246, 250, 253, .7);--bg-code: #0a1931;--text-primary: #0a1931;--text-secondary: #1a3d63;--text-tertiary: #4a7fa7;--text-on-primary: #ffffff;--text-on-dark: #f6fafd;--border-color: #b3cfe5;--border-glass: rgba(74, 127, 167, .2);--shadow-sm: 0 1px 2px rgba(10, 25, 49, .05);--shadow-md: 0 4px 6px -1px rgba(10, 25, 49, .1), 0 2px 4px -2px rgba(10, 25, 49, .1);--shadow-lg: 0 10px 15px -3px rgba(10, 25, 49, .1), 0 4px 6px -4px rgba(10, 25, 49, .1);--shadow-xl: 0 20px 25px -5px rgba(10, 25, 49, .1), 0 8px 10px -6px rgba(10, 25, 49, .1);--shadow-glow: 0 0 40px rgba(74, 127, 167, .2);--shadow-card: 0 4px 24px rgba(10, 25, 49, .06);--radius-sm: 6px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--transition-fast: .15s ease;--transition-base: .3s ease;--transition-slow: .5s ease;--container-max: 1200px;--section-padding: 100px 0;--navbar-height: 72px}[data-theme=dark]{--primary: #60a5fa;--primary-light: #93c5fd;--primary-dark: #3b82f6;--accent: #93c5fd;--accent-light: #1e293b;--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-card: #1e293b;--bg-glass: rgba(15, 23, 42, .85);--bg-code: #0c1322;--text-primary: #f1f5f9;--text-secondary: #cbd5e1;--text-tertiary: #94a3b8;--text-on-primary: #ffffff;--text-on-dark: #f1f5f9;--border-color: #334155;--border-glass: rgba(148, 163, 184, .15);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);--shadow-md: 0 4px 6px rgba(0, 0, 0, .35);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .35);--shadow-xl: 0 20px 25px rgba(0, 0, 0, .45);--shadow-glow: 0 0 40px rgba(96, 165, 250, .2);--shadow-card: 0 4px 24px rgba(0, 0, 0, .35);--gradient-card: linear-gradient( 135deg, rgba(96, 165, 250, .08), rgba(59, 130, 246, .04) );--gradient-hero: linear-gradient( 135deg, #0f172a 0%, #1e293b 50%, #334155 100% );--gradient-primary: linear-gradient(135deg, #3b82f6, #60a5fa);--gradient-accent: linear-gradient(135deg, #60a5fa, #93c5fd)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:var(--navbar-height)}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.7;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color var(--transition-base),color var(--transition-base)}h1,h2,h3,h4,h5,h6{font-family:Plus Jakarta Sans,sans-serif;font-weight:700;line-height:1.3;color:var(--text-primary)}h1{font-size:clamp(2rem,5vw,3.5rem)}h2{font-size:clamp(1.5rem,3vw,2.5rem)}h3{font-size:clamp(1.2rem,2.5vw,1.75rem)}a{color:var(--primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--primary-light)}img{max-width:100%;height:auto}ul,ol{list-style:none}code{font-family:Fira Code,Fira Code,monospace}.container{width:100%;max-width:var(--container-max);margin:0 auto;padding:0 24px}.section{padding:var(--section-padding)}.section-title{text-align:center;margin-bottom:16px}.section-subtitle{text-align:center;color:var(--text-secondary);font-size:1.1rem;max-width:600px;margin:0 auto 60px}.gradient-text{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}[data-theme=dark] .gradient-text{background:linear-gradient(135deg,#60a5fa,#93c5fd);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 16px;border-radius:var(--radius-full);font-size:.85rem;font-weight:600;background:var(--gradient-card);color:var(--primary);border:1px solid var(--border-color)}.glass-card{background:var(--bg-glass);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-glass);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);transition:transform var(--transition-base),box-shadow var(--transition-base)}.glass-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 32px;font-family:Inter,sans-serif;font-size:1rem;font-weight:600;border:none;border-radius:var(--radius-full);cursor:pointer;transition:all var(--transition-base);text-decoration:none}.btn-primary{background:var(--gradient-primary);color:var(--text-on-primary);box-shadow:0 4px 15px #4a7fa766}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 25px #4a7fa780;color:var(--text-on-primary)}.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary)}.btn-outline:hover{background:var(--primary);color:var(--text-on-primary);transform:translateY(-2px)}.reveal{opacity:0;transform:translateY(40px);transition:opacity .7s ease,transform .7s ease}.reveal.active{opacity:1;transform:translateY(0)}.reveal-left{opacity:0;transform:translate(-50px);transition:opacity .7s ease,transform .7s ease}.reveal-left.active{opacity:1;transform:translate(0)}.reveal-right{opacity:0;transform:translate(50px);transition:opacity .7s ease,transform .7s ease}.reveal-right.active{opacity:1;transform:translate(0)}.reveal-scale{opacity:0;transform:scale(.85);transition:opacity .7s ease,transform .7s cubic-bezier(.34,1.56,.64,1)}.reveal-scale.active{opacity:1;transform:scale(1)}.delay-1{transition-delay:.1s}.delay-2{transition-delay:.2s}.delay-3{transition-delay:.3s}.delay-4{transition-delay:.4s}.delay-5{transition-delay:.5s}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--primary);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--primary-light)}@media(max-width:768px){.section{padding:60px 0}.section-subtitle{margin-bottom:40px}.container{padding:0 16px}}@media(max-width:480px){.section{padding:48px 0}.btn{padding:12px 24px;font-size:.9rem}}.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--navbar-height);display:flex;align-items:center;background:transparent;transition:all var(--transition-base)}.navbar.scrolled{background:var(--bg-glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border-glass);box-shadow:var(--shadow-sm)}.navbar-inner{display:flex;align-items:center;justify-content:space-between;width:100%}.navbar-logo{display:flex;align-items:center;gap:8px;font-family:Plus Jakarta Sans,sans-serif;font-size:1.4rem;font-weight:800;color:var(--text-primary);text-decoration:none;z-index:1001}.logo-icon{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--radius-md);background:var(--gradient-primary);color:#fff;font-size:.9rem;font-weight:700;font-family:Fira Code,monospace}.logo-img{width:36px;height:36px;object-fit:contain}[data-theme=dark] .logo-img{filter:brightness(0) invert(1)}.logo-text{color:var(--text-primary)}.nav-links{display:flex;align-items:center;gap:8px;list-style:none}.nav-link{padding:8px 18px;font-size:.95rem;font-weight:500;color:var(--text-secondary);text-decoration:none;border-radius:var(--radius-full);transition:all var(--transition-fast)}.nav-link:hover,.nav-link.active{color:var(--primary);background:var(--gradient-card)}.nav-cta-mobile{display:none}.navbar-actions{display:flex;align-items:center;gap:12px}.theme-toggle{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--border-color);border-radius:var(--radius-full);background:var(--bg-card);cursor:pointer;font-size:1.1rem;transition:all var(--transition-fast)}.theme-toggle:hover{border-color:var(--primary);transform:rotate(30deg)}.btn-sm{padding:10px 22px;font-size:.9rem}.hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:36px;height:36px;background:none;border:none;cursor:pointer;padding:4px;z-index:1001}.hamburger span{display:block;width:100%;height:2.5px;background:var(--text-primary);border-radius:2px;transition:all var(--transition-base)}.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.hamburger.active span:nth-child(2){opacity:0}.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(6px,-6px)}@media(max-width:768px){.nav-links{position:fixed;inset:0;flex-direction:column;justify-content:center;align-items:center;gap:16px;background:var(--bg-primary);opacity:0;visibility:hidden;transition:all var(--transition-base);z-index:1000}.nav-links.active{opacity:1;visibility:visible}.nav-link{font-size:1.2rem;padding:12px 32px}.nav-cta-mobile{display:block;margin-top:16px}.nav-cta-desktop{display:none}.hamburger{display:flex}}.nav-profile-wrap{position:relative}.nav-profile-btn{display:flex;align-items:center;background:none;border:none;cursor:pointer;padding:0}.nav-avatar{width:34px;height:34px;border-radius:50%;object-fit:cover;border:2px solid var(--border-color);transition:border-color .2s}.nav-avatar:hover{border-color:var(--primary)}.nav-avatar-placeholder{width:34px;height:34px;border-radius:50%;background:var(--bg-secondary);border:2px solid var(--border-color);display:flex;align-items:center;justify-content:center;color:var(--text-secondary)}.nav-profile-dropdown{position:absolute;top:calc(100% + 8px);right:0;min-width:180px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:12px;box-shadow:0 8px 30px #0000001f;z-index:1100;overflow:hidden}.dropdown-header{padding:12px 16px;font-size:.9rem;color:var(--text-primary)}.dropdown-divider{height:1px;background:var(--border-color)}.dropdown-item{display:flex;align-items:center;gap:8px;width:100%;padding:10px 16px;border:none;background:none;color:var(--text-primary);font-size:.88rem;cursor:pointer;text-decoration:none;transition:background .2s}.dropdown-item:hover{background:var(--bg-secondary)}.dropdown-item.logout{color:#ef4444}.nav-login-btn{font-size:.85rem;padding:8px 18px}@media(max-width:768px){.nav-cta-desktop{display:none}.nav-login-btn{padding:6px 14px;font-size:.8rem}}.footer{position:relative;background:var(--bg-secondary);border-top:1px solid var(--border-color);padding:80px 0 32px;overflow:hidden}.footer-glow{position:absolute;top:-100px;left:50%;transform:translate(-50%);width:600px;height:200px;background:radial-gradient(ellipse,rgba(74,127,167,.08),transparent 70%);pointer-events:none}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}.footer-logo{display:flex;align-items:center;gap:8px;font-family:Plus Jakarta Sans,sans-serif;font-size:1.3rem;font-weight:800;color:var(--text-primary);text-decoration:none;margin-bottom:16px}.footer-desc{color:var(--text-secondary);font-size:.95rem;line-height:1.7}.footer-section h4{font-family:Plus Jakarta Sans,sans-serif;font-size:1rem;font-weight:600;margin-bottom:20px;color:var(--text-primary)}.footer-section ul{display:flex;flex-direction:column;gap:12px}.footer-section a{color:var(--text-secondary);font-size:.95rem;text-decoration:none;transition:color var(--transition-fast)}.footer-section a:hover{color:var(--primary)}.footer-bottom{text-align:center;padding-top:32px;border-top:1px solid var(--border-color);color:var(--text-tertiary);font-size:.9rem}.footer-credit{margin-top:8px;font-size:.85rem}@media(max-width:768px){.footer{padding:60px 0 24px}.footer-grid{grid-template-columns:1fr 1fr;gap:32px}.footer-brand{grid-column:1 / -1}}@media(max-width:480px){.footer-grid{grid-template-columns:1fr;gap:28px}}.section-nav{position:fixed;right:28px;top:50%;transform:translateY(-50%);z-index:500;display:flex;flex-direction:column;gap:22px;align-items:flex-end}.section-nav-item{display:flex;align-items:center;gap:12px;background:none;border:none;cursor:pointer;padding:0;position:relative}.section-nav-dot{width:10px;height:10px;border-radius:50%;border:2px solid var(--primary);background:transparent;transition:transform .3s cubic-bezier(.34,1.56,.64,1),background .3s ease,box-shadow .3s ease;flex-shrink:0}.section-nav-item.active .section-nav-dot{background:var(--primary);transform:scale(1.5);box-shadow:0 0 0 4px #4a7fa733}.section-nav-item:hover .section-nav-dot{background:var(--primary-light);transform:scale(1.3)}.section-nav-label{display:flex;align-items:center;gap:7px;font-size:.78rem;font-weight:600;color:var(--text-primary);background:var(--bg-card);padding:6px 14px;border-radius:var(--radius-full);box-shadow:var(--shadow-md);border:1px solid var(--border-color);white-space:nowrap;pointer-events:none;opacity:0;transform:translate(10px);transition:opacity .25s ease,transform .25s ease}.section-nav-item:hover .section-nav-label,.section-nav-item.active .section-nav-label{opacity:1;transform:translate(0)}.section-nav-icon{font-size:.9rem;line-height:1}.section-nav:before{content:"";position:absolute;right:4px;top:10px;bottom:10px;width:2px;background:linear-gradient(to bottom,transparent,var(--border-color) 20%,var(--border-color) 80%,transparent);z-index:-1;border-radius:2px}@media(max-width:1024px){.section-nav{right:16px}.section-nav-label{display:none}}@media(max-width:768px){.section-nav{display:none}}.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;padding-top:var(--navbar-height)}.hero-bg{position:absolute;inset:0;z-index:0}.hero-gradient{position:absolute;inset:0;background:var(--gradient-hero)}[data-theme=light] .hero-gradient{background:var(--gradient-hero)}.hero-grid-pattern{position:absolute;inset:0;background-image:linear-gradient(rgba(74,127,167,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(74,127,167,.08) 1px,transparent 1px);background-size:60px 60px}.hero-orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.4;animation:float 8s ease-in-out infinite}.hero-orb-1{width:400px;height:400px;background:#4a7fa74d;top:10%;right:10%}.hero-orb-2{width:300px;height:300px;background:#b3cfe533;bottom:10%;left:5%;animation-delay:-4s}@keyframes float{0%,to{transform:translateY(0) scale(1)}50%{transform:translateY(-30px) scale(1.05)}}.hero-content{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;padding-top:40px;padding-bottom:60px}.hero-text .badge{margin-bottom:24px}[data-theme=dark] .hero-text h1{color:var(--text-primary)}.hero-desc{font-size:1.1rem;color:var(--text-secondary);margin:20px 0 32px;line-height:1.8;max-width:520px}[data-theme=dark] .hero-desc{color:var(--text-secondary)}.hero-actions{display:flex;gap:16px;flex-wrap:wrap}[data-theme=dark] .btn-outline{color:var(--text-primary);border-color:var(--primary)}[data-theme=dark] .btn-outline:hover{background:var(--primary);color:var(--text-on-primary)}.hero-visual{position:relative}.hero-scroll-hint{position:absolute;bottom:32px;left:50%;transform:translate(-50%);text-align:center;z-index:1;color:var(--text-tertiary);font-size:.85rem}.scroll-arrow{margin-top:8px;animation:bounce 2s ease-in-out infinite;font-size:1.2rem}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(8px)}}@keyframes heroSlideLeft{0%{opacity:0;transform:translate(-50px)}to{opacity:1;transform:translate(0)}}@keyframes heroSlideRight{0%{opacity:0;transform:translate(50px)}to{opacity:1;transform:translate(0)}}.hero-animate-left{animation:heroSlideLeft .9s cubic-bezier(.22,1,.36,1) forwards}.hero-animate-right{animation:heroSlideRight .9s cubic-bezier(.22,1,.36,1) .25s both}.features-section{background:var(--bg-primary)}.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.feature-card{padding:36px 28px;text-align:center;background:var(--bg-card)}.feature-icon{font-size:2.5rem;margin-bottom:20px}.feature-card h3{font-size:1.15rem;margin-bottom:12px}.feature-card p{color:var(--text-secondary);font-size:.95rem;line-height:1.7}.stats-section{padding:60px 0;background:var(--bg-secondary)}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;text-align:center}.stat-item{display:flex;flex-direction:column;gap:8px}.stat-number{font-family:Plus Jakarta Sans,sans-serif;font-size:3rem;font-weight:800;line-height:1}.stat-label{font-size:1.05rem;color:var(--text-secondary);font-weight:500}.roadmap{display:flex;flex-direction:column;gap:0;max-width:700px;margin:0 auto}.roadmap-item{display:flex;gap:24px}.roadmap-connector{display:flex;flex-direction:column;align-items:center;flex-shrink:0}.roadmap-dot{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1rem;font-family:Plus Jakarta Sans,sans-serif;flex-shrink:0}.roadmap-line{width:3px;flex:1;background:linear-gradient(to bottom,var(--primary),var(--secondary));opacity:.3;min-height:24px}.roadmap-card{flex:1;padding:28px;margin-bottom:24px;background:var(--bg-card)}.roadmap-card-header{display:flex;align-items:center;gap:16px;margin-bottom:12px}.roadmap-icon{font-size:2rem}.roadmap-card-header h3{font-size:1.2rem;margin-bottom:4px}.roadmap-meta{display:flex;gap:8px;font-size:.85rem;color:var(--text-tertiary);align-items:center}.roadmap-level{font-weight:600}.roadmap-card p{color:var(--text-secondary);font-size:.95rem;margin-bottom:12px}.roadmap-link{font-weight:600;font-size:.95rem;text-decoration:none;transition:opacity var(--transition-fast)}.roadmap-link:hover{opacity:.8}.cta-section{padding:100px 0}.cta-card{position:relative;padding:60px 48px;border-radius:var(--radius-xl);background:linear-gradient(135deg,#0f2b47,#1a3d63 40%,#2a5a8a);overflow:hidden}[data-theme=light] .cta-card{background:linear-gradient(135deg,#0f2b47,#1a3d63 40%,#2a5a8a)}.cta-bg-glow{position:absolute;top:-50%;left:50%;transform:translate(-50%);width:500px;height:500px;background:radial-gradient(circle,rgba(179,207,229,.12),transparent 70%);pointer-events:none}.cta-inner{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;gap:24px}.cta-lottie{max-width:220px}.cta-text{text-align:center}.cta-card h2{color:#fff;font-size:clamp(1.5rem,3vw,2.2rem);margin-bottom:16px;position:relative}.cta-highlight{background:linear-gradient(90deg,#b3cfe5,#e0effa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-weight:800}.cta-card p{color:#ffffffd9;font-size:1.05rem;margin-bottom:28px;max-width:500px;margin-left:auto;margin-right:auto;position:relative;line-height:1.7}.cta-card .btn-primary.btn-lg{background:#fff;color:#1a3d63;border:none;padding:16px 36px;font-size:1rem;font-weight:700;border-radius:14px;position:relative;box-shadow:0 4px 20px #00000026;transition:all .3s}.cta-card .btn-primary.btn-lg:hover{background:#e0effa;transform:translateY(-2px);box-shadow:0 6px 24px #0003}.btn-lg{padding:18px 40px;font-size:1.05rem;position:relative}@media(max-width:1024px){.features-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.hero-content{grid-template-columns:1fr;gap:40px;text-align:center;padding-top:60px}.hero-desc{margin-left:auto;margin-right:auto}.hero-actions{justify-content:center}.hero-scroll-hint{display:none}.stats-grid{grid-template-columns:repeat(3,1fr);gap:24px}.stat-number{font-size:2.2rem}.cta-card{padding:36px 20px}.cta-lottie{max-width:160px}}@media(max-width:480px){.features-grid{grid-template-columns:1fr}.roadmap-item{gap:16px}.roadmap-card{padding:20px}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.hero-badge{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;background:#1a3d631f;border:1.5px solid rgba(26,61,99,.25);border-radius:999px;font-size:.82rem;font-weight:700;color:var(--primary-dark);margin-bottom:20px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}[data-theme=dark] .hero-badge{background:#60a5fa1f;border-color:#60a5fa40;color:var(--accent)}.hero-cta{display:inline-flex;align-items:center;gap:8px}.scroll-bounce{display:block;margin:6px auto 0;animation:bounce 2s ease-in-out infinite}.hero-lottie-wrapper{max-width:480px;margin:0 auto}.hero-lottie-placeholder{width:100%;aspect-ratio:1;max-width:480px;margin:0 auto}.feature-card{padding:36px 28px;text-align:center;background:var(--bg-card);transition:transform .3s ease,box-shadow .3s ease}.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}.feature-card:hover .feature-icon{animation:iconBounce .5s ease}@keyframes iconBounce{0%,to{transform:scale(1)}50%{transform:scale(1.15)}}.roadmap-preview{display:flex;flex-direction:column;gap:0;max-width:700px;margin:0 auto}.roadmap-preview-item{display:flex;gap:24px}.roadmap-preview-connector{display:flex;flex-direction:column;align-items:center;flex-shrink:0}.roadmap-preview-dot{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1rem;font-family:Plus Jakarta Sans,sans-serif;flex-shrink:0}.roadmap-preview-line{width:3px;flex:1;background:linear-gradient(to bottom,var(--primary),var(--secondary));opacity:.3;min-height:24px}.roadmap-preview-card{flex:1;padding:28px;margin-bottom:24px;background:var(--bg-card);transition:transform .2s ease}.roadmap-preview-card:hover{transform:translate(4px)}.roadmap-preview-card-header{display:flex;align-items:center;gap:16px;margin-bottom:12px}.roadmap-card-icon{flex-shrink:0;line-height:0}.roadmap-preview-card-header h3{font-size:1.2rem;margin-bottom:4px}.roadmap-preview-meta{display:flex;gap:8px;font-size:.85rem;color:var(--text-tertiary);align-items:center}.roadmap-preview-card p{color:var(--text-secondary);font-size:.95rem;margin-bottom:12px}.home-badge-soon{display:inline-block;font-size:.6rem;font-weight:700;padding:2px 8px;border-radius:8px;background:#f59e0b22;color:#f59e0b;margin-left:8px;vertical-align:middle;text-transform:uppercase;letter-spacing:.4px}.roadmap-coming-soon{opacity:.75}.roadmap-coming-soon:hover{opacity:1}.roadmap-preview-link{display:inline-flex;align-items:center;gap:4px;font-weight:600;font-size:.95rem;text-decoration:none;transition:opacity .2s}.roadmap-preview-link:hover{opacity:.8}.terminal-section{background:var(--bg-primary)}.terminal-placeholder{max-width:600px;margin:32px auto 0;border-radius:16px;overflow:hidden;border:1px solid var(--border-color);box-shadow:var(--shadow-lg)}.terminal-bar{display:flex;align-items:center;gap:8px;padding:10px 16px;background:#1a1a2e}.terminal-dot{width:12px;height:12px;border-radius:50%}.terminal-dot.red{background:#ff5f57}.terminal-dot.yellow{background:#febc2e}.terminal-dot.green{background:#28c840}.terminal-title{flex:1;text-align:center;font-size:.75rem;font-weight:600;color:#9ca3af;font-family:Fira Code,monospace}.terminal-body{background:#0d1117;padding:20px 24px;font-family:Fira Code,monospace;font-size:.85rem;line-height:1.8;color:#c9d1d9}.terminal-prompt{color:#58a6ff;font-weight:700}.terminal-output{margin:8px 0 16px;color:#8b949e}.terminal-rank{font-weight:700;color:#c9d1d9}.terminal-rank.gold{color:gold}.terminal-rank.silver{color:silver}.terminal-rank.bronze{color:#cd7f32}.terminal-cursor{animation:blink 1s step-end infinite;color:#58a6ff}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}@media(max-width:480px){.roadmap-preview-item{gap:16px}.roadmap-preview-card{padding:20px}.terminal-body{font-size:.75rem;padding:16px}}.about-page{padding-top:var(--navbar-height)}.about-hero{position:relative;padding:100px 0 80px;overflow:hidden;text-align:center}.about-hero-bg{position:absolute;inset:0;z-index:0}.about-hero-gradient{position:absolute;inset:0;background:linear-gradient(135deg,#4a7fa714,#1a3d630d,#b3cfe508)}[data-theme=dark] .about-hero-gradient{background:linear-gradient(135deg,#60a5fa14,#0f172acc)}.about-hero-orb{position:absolute;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(74,127,167,.1),transparent 70%);top:-100px;right:-100px;pointer-events:none}.about-hero-content{position:relative;z-index:1}.about-hero-content .badge{margin-bottom:24px}.about-hero-content h1{margin-bottom:20px}.about-hero-desc{color:var(--text-secondary);font-size:1.1rem;max-width:640px;margin:0 auto;line-height:1.8}.about-mission{display:grid;grid-template-columns:1fr 1fr;gap:32px}.mission-card{padding:40px 32px;text-align:center;background:var(--bg-card)}.mission-icon{font-size:2.5rem;margin-bottom:20px}.mission-card h3{font-size:1.3rem;margin-bottom:16px}.mission-card p{color:var(--text-secondary);line-height:1.8}.benefits-section{background:var(--bg-secondary)}.benefits-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.benefit-card{padding:36px 28px;text-align:center;background:var(--bg-card)}.benefit-icon{font-size:2.2rem;margin-bottom:16px;display:block}.benefit-card h3{font-size:1.1rem;margin-bottom:12px}.benefit-card p{color:var(--text-secondary);font-size:.95rem;line-height:1.7}@keyframes ring-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes float-subtle{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}.team-section{position:relative;overflow:hidden}.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:880px;margin:20px auto 0;align-items:stretch}.team-card{position:relative;padding:36px 24px 28px;text-align:center;background:var(--bg-card);border-radius:var(--radius-xl);border:1px solid var(--border-glass);transition:all .4s cubic-bezier(.25,.46,.45,.94);display:flex;flex-direction:column;align-items:center}.team-card:after{content:"";position:absolute;bottom:0;left:50%;transform:translate(-50%);width:0;height:3px;background:var(--gradient-primary);border-radius:3px 3px 0 0;transition:width .4s ease}.team-card:hover{transform:translateY(-8px) scale(1.02);box-shadow:0 20px 40px #1a3d631f,0 0 0 1px #4a7fa726}.team-card:hover:after{width:60%}.team-card--leader{transform:translateY(0);padding:44px 28px 32px;margin-top:-16px;margin-bottom:8px;border:1px solid rgba(74,127,167,.3);box-shadow:0 12px 32px #1a3d631a,0 0 0 1px #4a7fa71a;z-index:1}.team-card--leader:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--gradient-primary);border-radius:var(--radius-xl) var(--radius-xl) 0 0}.team-card--leader:after{width:40%}.team-card--leader:hover{transform:translateY(-8px) scale(1.03);box-shadow:0 24px 48px #1a3d6326,0 0 60px #4a7fa714}.team-card--leader:hover:after{width:80%}.team-leader-badge{position:absolute;top:14px;right:14px;background:var(--gradient-primary);color:#fff;font-size:.6rem;font-weight:700;padding:3px 10px;border-radius:var(--radius-full);letter-spacing:.04em;text-transform:uppercase;box-shadow:0 2px 8px #1a3d6333}.team-card--leader:hover .team-leader-badge{box-shadow:0 4px 16px #4a7fa759}.team-avatar{display:flex;justify-content:center;margin-bottom:18px}.team-avatar-ring{position:relative;padding:4px;border-radius:50%;animation:float-subtle 4s ease-in-out infinite}.team-avatar-ring:before{content:"";position:absolute;inset:-3px;border-radius:50%;background:conic-gradient(from 0deg,#4a7fa7,#b3cfe5,#1a3d63,#4a7fa7);animation:ring-spin 8s linear infinite;z-index:0;opacity:.6;transition:opacity .3s ease}.team-card:hover .team-avatar-ring:before{opacity:1}.team-avatar-ring:after{content:"";position:absolute;inset:0;border-radius:50%;background:var(--bg-card);z-index:1}.team-avatar-ring--leader:before{inset:-4px;opacity:.8}.team-avatar-ring--leader{animation-duration:3s}.team-avatar-img,.team-avatar-initials{position:relative;z-index:2;border-radius:50%;object-fit:cover}.team-avatar-initials{align-items:center;justify-content:center;font-weight:800;color:#fff;font-family:Plus Jakarta Sans,sans-serif;letter-spacing:-.02em}.team-name-wrap{min-height:2.6em;display:flex;align-items:center;justify-content:center;width:100%}.team-card h3{font-size:1.05rem;margin-bottom:6px;font-weight:700;line-height:1.3}.team-card--leader .team-name-wrap{min-height:auto}.team-card--leader h3{font-size:1.15rem}.team-role{display:inline-block;padding:4px 12px;border-radius:var(--radius-full);font-size:.7rem;font-weight:600;margin-bottom:14px;background:transparent;color:var(--primary);border:1.5px solid var(--primary);transition:all .3s ease}.team-card:hover .team-role{background:#4a7fa714}.team-role--leader{background:var(--gradient-primary);color:#fff;border:none}.team-card:hover .team-role--leader{background:var(--gradient-primary);box-shadow:0 4px 12px #4a7fa74d}.team-card p{color:var(--text-secondary);font-size:.82rem;line-height:1.7;flex:1}.team-card--leader p{font-size:.85rem}.team-socials{display:flex;gap:12px;justify-content:center;margin-bottom:14px}.team-socials a{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;color:var(--text-tertiary);background:var(--bg-secondary);border:1px solid var(--border-glass);transition:all .3s ease}.team-socials a:hover{color:#fff;background:var(--primary);border-color:var(--primary);transform:translateY(-2px);box-shadow:0 4px 12px #4a7fa74d}[data-theme=dark] .team-socials a{background:#60a5fa14;border-color:#60a5fa1f}[data-theme=dark] .team-socials a:hover{background:var(--primary);color:#fff}[data-theme=dark] .team-card{border-color:#60a5fa14}[data-theme=dark] .team-card--leader{border-color:#3b82f640;box-shadow:0 12px 32px #0000004d,0 0 0 1px #3b82f626}[data-theme=dark] .team-card:hover{box-shadow:0 20px 40px #0006,0 0 0 1px #3b82f633}.tech-grid{display:flex;justify-content:center;gap:32px;flex-wrap:wrap}.tech-item{display:flex;flex-direction:column;align-items:center;gap:12px;padding:24px 32px;border-radius:var(--radius-lg);background:var(--bg-card);border:1px solid var(--border-color);transition:all var(--transition-base)}.tech-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary)}.tech-icon{font-size:2rem}.tech-name{font-weight:600;font-size:.95rem;color:var(--text-primary)}@media(max-width:768px){.about-hero{padding:80px 0 60px}.about-mission{grid-template-columns:1fr}.benefits-grid{grid-template-columns:repeat(2,1fr)}.team-grid{grid-template-columns:1fr;max-width:400px}.team-card--leader{transform:none;order:-1;margin-top:0;margin-bottom:0}.team-card--leader:hover{transform:translateY(-8px) scale(1.02)}}@media(max-width:480px){.benefits-grid{grid-template-columns:1fr}}.code-block{border-radius:var(--radius-md);overflow:hidden;background:#1a1b26;box-shadow:var(--shadow-lg);margin:16px 0}.code-header{display:flex;align-items:center;padding:12px 16px;background:#24283b;border-bottom:1px solid #2f3345}.code-dots{display:flex;gap:6px;margin-right:16px}.dot{width:12px;height:12px;border-radius:50%}.dot.red{background:#f7768e}.dot.yellow{background:#e0af68}.dot.green{background:#9ece6a}.code-lang{flex:1;font-family:Fira Code,monospace;font-size:.8rem;color:#7aa2f7;text-transform:lowercase}.code-copy{background:none;border:none;cursor:pointer;font-size:1rem;opacity:.6;transition:opacity var(--transition-fast)}.code-copy:hover{opacity:1}.code-content{padding:20px;overflow-x:auto;font-family:Fira Code,monospace;font-size:.9rem;line-height:1.7;color:#c0caf5;tab-size:2}.code-content code{white-space:pre}@media(max-width:480px){.code-content{font-size:.8rem;padding:16px}}.playground{display:grid;grid-template-columns:1fr 1fr;height:520px;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border-color);box-shadow:var(--shadow-xl);margin-top:32px;transition:border-radius .2s ease}.playground.playground-fullscreen{position:fixed;inset:0;z-index:9999;height:100dvh;margin-top:0;border-radius:0;border:none;box-shadow:none}.playground-editor-panel{display:flex;flex-direction:column;background:#0d1117;border-right:1px solid rgba(255,255,255,.06);overflow:hidden}.playground-toolbar{display:flex;align-items:center;justify-content:space-between;padding:0 12px;background:#080d13;border-bottom:1px solid rgba(255,255,255,.06);flex-shrink:0;gap:8px}.playground-tabs{display:flex;gap:0}.playground-tab{padding:11px 18px;background:none;border:none;border-bottom:3px solid transparent;color:#6b7280;font-size:.82rem;font-weight:600;font-family:Fira Code,Fira Code,monospace;cursor:pointer;transition:color .2s ease,border-color .2s ease;letter-spacing:.02em}.playground-tab:hover{color:#d1d5db}.playground-tab.active{color:var(--primary)}.playground-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}.playground-live-btn{padding:5px 12px;background:transparent;border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-sm);color:#9ca3af;font-size:.78rem;font-weight:600;cursor:pointer;transition:all .2s ease;font-family:Inter,sans-serif}.playground-live-btn:hover{border-color:#f59e0b80;color:#f59e0b}.playground-live-btn.active{background:#f59e0b26;border-color:#f59e0b99;color:#f59e0b;box-shadow:0 0 8px #f59e0b33}.playground-fullscreen-btn{padding:5px 10px;background:transparent;border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-sm);color:#9ca3af;font-size:.9rem;cursor:pointer;transition:all .2s ease;font-family:Inter,sans-serif;line-height:1}.playground-fullscreen-btn:hover{border-color:#ffffff47;color:#f3f4f6}.playground-fullscreen-btn:active{transform:scale(.95)}.playground-reset-btn{padding:5px 12px;background:transparent;border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-sm);color:#9ca3af;font-size:.78rem;font-weight:600;cursor:pointer;transition:all .2s ease;font-family:Inter,sans-serif}.playground-reset-btn:hover{border-color:#ffffff47;color:#f3f4f6}.playground-run-btn{padding:5px 16px;background:#10b981;border:none;border-radius:var(--radius-sm);color:#fff;font-size:.78rem;font-weight:700;cursor:pointer;transition:all .2s ease;font-family:Inter,sans-serif;letter-spacing:.02em}.playground-run-btn:hover{background:#059669;transform:translateY(-1px);box-shadow:0 4px 12px #10b98159}.playground-run-btn:active{transform:translateY(0)}.playground-textarea{flex:1;padding:20px;background:transparent;border:none;outline:none;color:#e2e8f0;font-family:Fira Code,Fira Code,monospace;font-size:.85rem;line-height:1.75;resize:none;tab-size:2;overflow-y:auto}.playground-textarea::placeholder{color:#374151}.playground-textarea::-webkit-scrollbar{width:6px}.playground-textarea::-webkit-scrollbar-track{background:transparent}.playground-textarea::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:3px}.playground-textarea::-webkit-scrollbar-thumb:hover{background:#fff3}.playground-preview-panel{display:flex;flex-direction:column;background:#fff}.playground-preview-header{display:flex;align-items:center;gap:10px;padding:8px 14px;background:#f3f4f6;border-bottom:1px solid #e5e7eb;flex-shrink:0}.preview-dots{display:flex;gap:6px;flex-shrink:0}.preview-dot{width:11px;height:11px;border-radius:50%;flex-shrink:0}.preview-url-bar{flex:1;display:flex;align-items:center;gap:6px;padding:5px 12px;background:#fff;border:1px solid #e5e7eb;border-radius:6px;min-width:0}.preview-url-icon{flex-shrink:0;color:#6b7280}.preview-url-text{font-size:.72rem;font-family:Fira Code,monospace;color:#6b7280;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.preview-live-badge{flex-shrink:0;padding:1px 6px;background:#f59e0b26;color:#d97706;border-radius:4px;font-size:.6rem;font-weight:800;letter-spacing:.08em;animation:livePulse 2s infinite}@keyframes livePulse{0%,to{opacity:1}50%{opacity:.5}}.preview-title{margin-left:8px;font-size:.75rem;font-weight:600;color:#9ca3af;font-family:Fira Code,monospace;letter-spacing:.04em}.playground-iframe{flex:1;width:100%;border:none;background:#fff}.playground-error-bar{border-top:1px solid #fecaca;background:#fef2f2;flex-shrink:0}.playground-error-toggle{display:flex;align-items:center;gap:6px;width:100%;padding:7px 14px;background:none;border:none;color:#dc2626;font-size:.75rem;font-weight:600;cursor:pointer;text-align:left;font-family:Inter,sans-serif}.playground-error-toggle:hover{background:#ef44440d}.error-toggle-arrow{margin-left:auto;font-size:.6rem}.playground-error-list{padding:0 14px 10px;display:flex;flex-direction:column;gap:4px;max-height:120px;overflow-y:auto}.playground-error-item{display:flex;align-items:flex-start;gap:6px;padding:6px 10px;border-radius:6px;font-size:.72rem;font-family:Fira Code,monospace;line-height:1.5}.playground-error-item.error{background:#ef444414;color:#b91c1c}.playground-error-item.warning{background:#f59e0b14;color:#92400e}.error-icon{flex-shrink:0;font-size:.7rem}@media(max-width:900px){.playground{grid-template-columns:1fr;height:auto}.playground-editor-panel{height:380px}.playground-preview-panel{height:360px;border-top:1px solid var(--border-color)}}@media(max-width:480px){.playground-tab{padding:10px 12px;font-size:.75rem}.playground-textarea{font-size:.78rem;padding:14px}.preview-url-bar{display:none}}.quiz-modal-overlay{position:fixed;inset:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.materi-tabs{display:flex;gap:0;border-bottom:2px solid var(--border-color);margin-bottom:32px}.materi-tab{display:flex;align-items:center;gap:8px;padding:12px 28px;background:none;border:none;border-bottom:3px solid transparent;margin-bottom:-2px;font-size:.95rem;font-weight:600;font-family:Inter,sans-serif;color:var(--text-secondary);cursor:pointer;transition:color .2s ease,border-color .2s ease}.materi-tab:hover{color:var(--text-primary)}.materi-tab.active{color:var(--primary);border-bottom-color:var(--primary)}.materi-next-btn{margin-top:24px;display:flex;align-items:center;gap:8px;width:100%;justify-content:center}.materi-praktik{padding:8px 0}.quiz-start-wrapper{display:flex;justify-content:center;padding:20px 0 40px}.quiz-start-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:48px 40px;text-align:center;max-width:500px;width:100%;box-shadow:var(--shadow-lg)}.quiz-start-icon{font-size:3.5rem;margin-bottom:20px;line-height:1}.quiz-start-card h3{font-size:1.4rem;margin-bottom:12px;color:var(--text-primary)}.quiz-start-desc{color:var(--text-secondary);font-size:.95rem;line-height:1.7;margin-bottom:24px}.quiz-start-meta{display:flex;justify-content:center;gap:20px;flex-wrap:wrap;margin-bottom:32px;padding:16px;background:var(--bg-secondary);border-radius:var(--radius-md);font-size:.88rem;font-weight:600;color:var(--text-secondary)}.quiz-start-btn{width:100%;justify-content:center;gap:10px;font-size:1rem;padding:16px}.playground-wrapper{padding:4px 0 24px}.playground-hint{text-align:center;color:var(--text-secondary);font-size:.92rem;margin-bottom:12px;padding:10px 16px;background:var(--bg-secondary);border-radius:var(--radius-md);border:1px solid var(--border-color)}@media(max-width:768px){.materi-tab{padding:10px 16px;font-size:.85rem}.quiz-start-card{padding:36px 24px}.quiz-start-meta{gap:12px;font-size:.82rem}}.materi-lessons{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-bottom:36px}.lesson-item{background:var(--bg-secondary);border-radius:var(--radius-md);padding:20px 24px;border:1px solid var(--border-color);border-left:4px solid var(--primary);transition:transform var(--transition-fast),box-shadow var(--transition-fast)}.lesson-item.has-example{grid-column:1 / -1}.lesson-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.lesson-title{font-size:.95rem;font-weight:700;color:var(--text-primary);margin-bottom:8px;font-family:Plus Jakarta Sans,sans-serif}.lesson-body{font-size:.88rem;color:var(--text-secondary);line-height:1.75}.lesson-example{display:grid;grid-template-columns:1fr auto 1fr;align-items:start;gap:12px;margin-top:16px;padding-top:14px;border-top:1px dashed var(--border-color)}.lesson-example-col{display:flex;flex-direction:column;gap:6px}.lesson-example-label{font-size:.75rem;font-weight:700;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.05em}.lesson-example-code{background:var(--bg-code);color:#e2e8f0;border-radius:var(--radius-sm);padding:10px 12px;font-family:Fira Code,Fira Code,monospace;font-size:.78rem;line-height:1.7;white-space:pre;overflow-x:auto;margin:0}.lesson-example-output{background:#10b98114;border:1px solid rgba(16,185,129,.25);color:var(--text-primary);border-radius:var(--radius-sm);padding:10px 12px;font-family:Fira Code,Fira Code,monospace;font-size:.78rem;line-height:1.7;white-space:pre;overflow-x:auto;margin:0}.lesson-example-arrow{font-size:1.4rem;color:var(--primary);font-weight:700;padding-top:28px;-webkit-user-select:none;user-select:none}@media(max-width:768px){.materi-lessons{grid-template-columns:1fr}.lesson-item.has-example{grid-column:auto}}@media(max-width:640px){.lesson-example{grid-template-columns:1fr}.lesson-example-arrow{padding-top:0;text-align:center;transform:rotate(90deg)}}.materi-action{display:flex;justify-content:center;margin-top:36px;padding-top:28px;border-top:1px solid var(--border-color)}.materi-action .quiz-btn{min-width:260px;justify-content:center;font-size:1rem;padding:16px 40px}@media(max-width:768px){.materi-action .quiz-btn{width:100%}}.playground-section{background:var(--bg-secondary)}.playground-section-header{text-align:center;margin-bottom:0}.playground-section-header .section-title{margin-bottom:12px}.playground-open-btn{background:linear-gradient(135deg,#10b981,#059669)!important;box-shadow:0 4px 15px #10b98159}.playground-open-btn:hover{box-shadow:0 6px 25px #10b98180;transform:translateY(-2px)}.materi-page{padding-top:var(--navbar-height)}.materi-hero{position:relative;padding:100px 0 80px;text-align:center;overflow:hidden}.materi-hero-bg{position:absolute;inset:0;background:linear-gradient(135deg,#4a7fa70f,#b3cfe50a)}[data-theme=dark] .materi-hero-bg{background:linear-gradient(135deg,#60a5fa14,#0f172acc)}.materi-hero-content{position:relative;z-index:1}.materi-hero-content .badge{margin-bottom:24px}.materi-hero-desc{color:var(--text-secondary);font-size:1.1rem;max-width:600px;margin:20px auto 0;line-height:1.8}.materi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.materi-card{overflow:hidden;background:var(--bg-card);transition:all var(--transition-base);display:flex;flex-direction:column}.materi-card.selected{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary),var(--shadow-lg)}.materi-card-top{padding:28px 24px 20px;display:flex;justify-content:space-between;align-items:flex-start}.materi-progress-badge{display:flex;align-items:center;gap:4px;padding:5px 14px;border-radius:var(--radius-full);font-size:.78rem;font-weight:700;margin:0 24px;width:fit-content}.materi-progress-badge.done{background:#10b9811f;color:#10b981;border:1px solid rgba(16,185,129,.3)}.materi-progress-badge.learning{background:#f59e0b1f;color:#f59e0b;border:1px solid rgba(245,158,11,.3)}.materi-card-icon{font-size:2.5rem}.materi-card-badge{padding:4px 12px;border-radius:var(--radius-full);color:#fff;font-size:.75rem;font-weight:600}.materi-card-body{padding:0 24px 28px;display:flex;flex-direction:column;flex:1}.materi-card-body h3{font-size:1.15rem;margin-bottom:10px}.materi-card-body p{color:var(--text-secondary);font-size:.9rem;line-height:1.7;margin-bottom:16px;flex:1}.materi-card-meta{display:flex;gap:16px;font-size:.85rem;color:var(--text-tertiary);margin-bottom:20px}.materi-card-btn{width:100%;box-shadow:none}.materi-detail-section{background:var(--bg-secondary)}.materi-detail{background:var(--bg-card);border-radius:var(--radius-xl);padding:48px;box-shadow:var(--shadow-lg)}.materi-detail-header{display:flex;align-items:center;gap:20px;margin-bottom:40px;padding-bottom:24px;border-bottom:1px solid var(--border-color)}.materi-detail-icon{font-size:3rem}.materi-detail-header h2{margin-bottom:8px}.materi-detail-meta{display:flex;gap:12px;align-items:center;font-size:.9rem;color:var(--text-secondary)}.materi-detail-content{display:grid;grid-template-columns:1fr 1fr;gap:48px}.materi-detail-left h3,.materi-detail-right h3{font-size:1.15rem;margin-bottom:20px}.topic-list{display:flex;flex-direction:column;gap:14px;margin-bottom:32px}.topic-item{display:flex;align-items:center;gap:12px;padding:14px 18px;border-radius:var(--radius-md);background:var(--bg-primary);border:1px solid var(--border-color);transition:all var(--transition-fast)}.topic-item:hover{border-color:var(--primary);background:var(--gradient-card)}.topic-check{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:var(--radius-full);background:var(--gradient-primary);color:#fff;font-size:.8rem;font-weight:700;flex-shrink:0}.topic-item span:last-child{font-weight:500;color:var(--text-primary)}.quiz-btn{width:100%;padding:16px}.code-hint{margin-top:16px;padding:14px 18px;border-radius:var(--radius-md);background:var(--gradient-card);border:1px solid var(--border-color);font-size:.9rem;color:var(--text-secondary)}@media(max-width:1024px){.materi-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.materi-detail{padding:28px 20px}.materi-detail-content{grid-template-columns:1fr;gap:32px}.materi-hero{padding:80px 0 60px}}@media(max-width:480px){.materi-grid{grid-template-columns:1fr}}.contact-page{padding-top:var(--navbar-height)}.contact-hero{position:relative;padding:100px 0 80px;text-align:center;overflow:hidden}.contact-hero-bg{position:absolute;inset:0;background:linear-gradient(135deg,#4a7fa70f,#b3cfe50a)}[data-theme=dark] .contact-hero-bg{background:linear-gradient(135deg,#60a5fa14,#0f172acc)}.contact-hero-content{position:relative;z-index:1}.contact-hero-content .badge{margin-bottom:24px}.contact-hero-desc{color:var(--text-secondary);font-size:1.1rem;max-width:560px;margin:20px auto 0;line-height:1.8}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}.contact-form-wrapper h2{font-size:1.5rem;margin-bottom:8px}.contact-form-desc{color:var(--text-secondary);margin-bottom:28px}.form-success{padding:16px 20px;border-radius:var(--radius-md);background:#10b9811a;border:1px solid var(--success);color:var(--success);font-weight:500;margin-bottom:24px;animation:fadeInUp .3s ease}.contact-form{display:flex;flex-direction:column;gap:20px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-weight:600;font-size:.95rem;color:var(--text-primary)}.form-group input,.form-group textarea{padding:14px 18px;border:2px solid var(--border-color);border-radius:var(--radius-md);background:var(--bg-primary);color:var(--text-primary);font-family:Inter,sans-serif;font-size:.95rem;transition:all var(--transition-fast);resize:vertical}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #4a7fa71a}.form-group input.error,.form-group textarea.error{border-color:var(--danger)}.form-error{font-size:.85rem;color:var(--danger);font-weight:500}.contact-submit{margin-top:8px}.contact-faq h2{font-size:1.5rem;margin-bottom:8px}.faq-desc{color:var(--text-secondary);margin-bottom:28px}.faq-list{display:flex;flex-direction:column;gap:12px;margin-bottom:40px}.faq-item{border:1px solid var(--border-color);border-radius:var(--radius-md);overflow:hidden;cursor:pointer;transition:all var(--transition-fast);background:var(--bg-card)}.faq-item:hover{border-color:var(--primary)}.faq-item.open{border-color:var(--primary);box-shadow:var(--shadow-sm)}.faq-question{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;font-weight:600;font-size:.95rem;color:var(--text-primary);gap:12px}.faq-toggle{font-size:1.3rem;color:var(--primary);flex-shrink:0;font-weight:300}.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease;padding:0 20px}.faq-item.open .faq-answer{max-height:200px;padding:0 20px 18px}.faq-answer p{color:var(--text-secondary);font-size:.9rem;line-height:1.7}.contact-info{padding:28px;border-radius:var(--radius-lg);background:var(--bg-secondary);border:1px solid var(--border-color)}.contact-info h3{font-size:1.1rem;margin-bottom:20px}.contact-info-items{display:flex;flex-direction:column;gap:16px}.contact-info-item{display:flex;align-items:center;gap:14px}.contact-info-icon{font-size:1.5rem;flex-shrink:0}.contact-info-item strong{display:block;font-size:.9rem;color:var(--text-primary);margin-bottom:2px}.contact-info-item p{font-size:.9rem;color:var(--text-secondary)}@media(max-width:768px){.contact-hero{padding:80px 0 60px}.contact-grid{grid-template-columns:1fr}}.course-page{min-height:100vh;padding-top:80px}.course-hero{padding:60px 24px 40px;text-align:center;background:linear-gradient(135deg,var(--bg-secondary) 0%,var(--bg-primary) 100%)}.course-hero-title{font-family:var(--font-heading);font-size:2.5rem;font-weight:800;margin-bottom:12px}.course-hero-subtitle{color:var(--text-secondary);font-size:1.1rem;max-width:500px;margin:0 auto 24px}.course-stats-bar{display:flex;justify-content:center;gap:24px;flex-wrap:wrap}.stat-item{display:flex;align-items:center;gap:6px;padding:8px 16px;background:var(--bg-primary);border-radius:20px;font-size:.9rem;font-weight:600;color:var(--text-secondary);border:1px solid var(--border-color)}.stat-icon.flame{color:#ef4444}.stat-icon.star{color:#f59e0b}.stat-icon.trophy{color:#8b5cf6}.course-roadmap{padding:40px 24px 80px;max-width:800px;margin:0 auto}.roadmap-container{display:flex;flex-direction:column;gap:0}.roadmap-node-wrapper{position:relative}.roadmap-connector{width:3px;height:32px;background:var(--border-color);margin:0 auto}.course-card{display:flex;gap:20px;padding:24px;background:var(--bg-primary);border:2px solid var(--border-color);border-radius:16px;text-decoration:none;color:inherit;transition:all .3s ease;cursor:pointer}.course-card:hover{border-color:var(--course-color, var(--accent));transform:translateY(-2px);box-shadow:0 8px 30px #0000001a}.course-card-completed{border-color:#10b981;background:linear-gradient(135deg,var(--bg-primary) 0%,rgba(16,185,129,.05) 100%)}.course-card-locked{opacity:.5;cursor:not-allowed;pointer-events:none}.course-card-icon-wrap{flex-shrink:0;width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center}.course-card-info{flex:1;min-width:0}.course-card-header{display:flex;align-items:center;gap:10px;margin-bottom:6px}.course-card-title{font-family:var(--font-heading);font-size:1.2rem;font-weight:700;color:var(--text-primary);margin:0}.course-card-title.locked{color:var(--text-secondary)}.course-card-level{font-size:.7rem;font-weight:600;padding:2px 8px;border-radius:10px;background:#4a7fa71a;color:var(--primary);white-space:nowrap}.course-card-badge-soon{font-size:.65rem;font-weight:700;padding:3px 10px;border-radius:10px;background:linear-gradient(135deg,#f59e0b22,#f59e0b33);color:#f59e0b;white-space:nowrap;text-transform:uppercase;letter-spacing:.5px;animation:soon-pulse 2s ease-in-out infinite}@keyframes soon-pulse{0%,to{opacity:1}50%{opacity:.6}}.course-card-coming-soon{position:relative;opacity:.85}.course-card-coming-soon:hover{opacity:1}.course-card-desc{font-size:.85rem;color:var(--text-secondary);margin:0 0 12px;line-height:1.5}.course-progress-bar-wrap{display:flex;align-items:center;gap:10px;margin-bottom:12px}.course-progress-bar{flex:1;height:6px;background:var(--border-color);border-radius:3px;overflow:hidden}.course-progress-fill{height:100%;border-radius:3px;transition:width .5s ease}.course-progress-text{font-size:.8rem;font-weight:700;color:var(--text-secondary);min-width:36px;text-align:right}.course-card-meta{display:flex;align-items:center;gap:16px;font-size:.8rem;color:var(--text-secondary)}.course-card-arrow{margin-left:auto;color:var(--text-secondary);opacity:.5}@media(max-width:600px){.course-hero-title{font-size:1.8rem}.course-hero{padding:40px 16px 30px}.course-roadmap{padding:24px 16px 60px}.course-card{flex-direction:column;gap:12px;padding:16px}.course-card-icon-wrap{width:48px;height:48px}.course-stats-bar{gap:8px}.stat-item{font-size:.8rem;padding:6px 12px}}.course-detail-page{min-height:100vh;padding-top:80px}.course-detail-container{max-width:720px;margin:0 auto;padding:0 24px}.course-detail-hero{padding:40px 0 32px;background:linear-gradient(135deg,var(--bg-secondary) 0%,var(--bg-primary) 100%);border-bottom:1px solid var(--border-color)}.cd-back-link{display:inline-flex;align-items:center;gap:4px;font-size:.85rem;font-weight:600;color:var(--primary);text-decoration:none;margin-bottom:20px}.cd-back-link:hover{text-decoration:underline}.cd-hero-content{display:flex;gap:20px;align-items:flex-start;margin-bottom:24px}.cd-hero-icon{flex-shrink:0;width:64px;height:64px;border-radius:16px;display:flex;align-items:center;justify-content:center}.cd-hero-info{flex:1}.cd-hero-level{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--primary);background:#4a7fa71a;padding:2px 10px;border-radius:8px}.cd-hero-title{font-family:var(--font-heading);font-size:1.8rem;font-weight:800;margin:8px 0;color:var(--text-primary)}.cd-hero-desc{font-size:.95rem;color:var(--text-secondary);line-height:1.6;margin-bottom:12px}.cd-hero-meta{display:flex;gap:16px;flex-wrap:wrap;font-size:.82rem;color:var(--text-secondary)}.cd-hero-meta span{display:flex;align-items:center;gap:4px}.cd-progress-wrap{display:flex;align-items:center;gap:12px;margin-bottom:20px}.cd-progress-bar{flex:1;height:8px;background:var(--border-color);border-radius:4px;overflow:hidden}.cd-progress-fill{height:100%;border-radius:4px;transition:width .6s ease}.cd-progress-text{font-size:.82rem;font-weight:700;color:var(--text-secondary);white-space:nowrap}.cd-start-btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;color:#fff;font-size:1rem;font-weight:700;border-radius:14px;text-decoration:none;transition:all .3s}.cd-start-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #00000026}.cd-complete-badge{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;background:#10b9811a;color:#10b981;font-weight:700;border-radius:14px;border:2px solid #10b981}.cd-lessons-section{padding:32px 0 80px}.cd-lessons-title{font-family:var(--font-heading);font-size:1.2rem;font-weight:700;margin-bottom:16px;color:var(--text-primary)}.cd-lessons-list{display:flex;flex-direction:column;gap:8px}.cd-lesson-item{display:flex;align-items:center;gap:14px;padding:16px;background:var(--bg-primary);border:1.5px solid var(--border-color);border-radius:14px;text-decoration:none;color:inherit;transition:all .2s}.cd-lesson-item:hover{border-color:var(--primary);transform:translate(4px);box-shadow:0 4px 12px #0000000f}.cd-lesson-item.completed{background:#10b98108;border-color:#10b98133}.cd-icon-done{color:#10b981}.cd-icon-todo{color:var(--border-color)}.cd-lesson-info{flex:1;min-width:0}.cd-lesson-name{font-size:.95rem;font-weight:600;color:var(--text-primary);margin:0 0 6px}.cd-lesson-order{color:var(--text-secondary);font-weight:500}.cd-lesson-tags{display:flex;gap:8px;flex-wrap:wrap}.cd-tag{display:flex;align-items:center;gap:3px;font-size:.72rem;font-weight:600;padding:2px 8px;border-radius:6px;background:var(--bg-secondary);color:var(--text-secondary)}.cd-tag-done{background:#10b98114;color:#10b981}.cd-lesson-arrow{color:var(--border-color);flex-shrink:0}@media(max-width:600px){.cd-hero-content{flex-direction:column;gap:12px}.cd-hero-icon{width:52px;height:52px}.cd-hero-title{font-size:1.4rem}.cd-lesson-item{padding:12px}}.quiz-engine{background:var(--bg-secondary);border:2px solid var(--border-color);border-radius:16px;padding:24px;margin-top:24px}.quiz-empty{text-align:center;padding:40px;color:var(--text-secondary)}.quiz-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.quiz-progress-info{display:flex;align-items:center;gap:12px;font-size:.85rem;font-weight:600;color:var(--text-secondary)}.quiz-progress-dots{display:flex;gap:4px}.quiz-dot{width:8px;height:8px;border-radius:50%;background:var(--border-color);transition:all .3s}.quiz-dot.active{background:var(--primary);transform:scale(1.3)}.quiz-dot.done{background:#10b981}.quiz-score-badge{display:flex;align-items:center;gap:4px;font-size:.8rem;font-weight:700;color:#f59e0b;background:#f59e0b1a;padding:4px 12px;border-radius:12px}.quiz-question{font-size:1.1rem;font-weight:600;color:var(--text-primary);margin-bottom:20px;line-height:1.6}.quiz-options{display:flex;flex-direction:column;gap:10px}.quiz-option{display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--bg-primary);border:2px solid var(--border-color);border-radius:12px;cursor:pointer;transition:all .2s;font-size:.95rem;text-align:left;width:100%;color:var(--text-primary)}.quiz-option:hover:not(:disabled){border-color:var(--primary);background:#4a7fa70d}.quiz-option.correct{border-color:#10b981;background:#10b98114}.quiz-option.wrong{border-color:#ef4444;background:#ef444414}.option-letter{flex-shrink:0;width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:var(--border-color);border-radius:8px;font-weight:700;font-size:.8rem;color:var(--text-secondary)}.quiz-option.correct .option-letter{background:#10b981;color:#fff}.quiz-option.wrong .option-letter{background:#ef4444;color:#fff}.option-text{flex:1}.option-icon{flex-shrink:0}.option-icon.correct{color:#10b981}.option-icon.wrong{color:#ef4444}.quiz-explanation{margin-top:16px;padding:14px 16px;background:#4a7fa714;border-left:3px solid var(--primary);border-radius:0 10px 10px 0;font-size:.9rem;color:var(--text-primary);line-height:1.6}.quiz-next-btn{display:block;width:100%;margin-top:20px;padding:14px;background:var(--primary);color:#fff;border:none;border-radius:12px;font-size:1rem;font-weight:700;cursor:pointer;transition:all .2s}.quiz-next-btn:hover{background:var(--dark);transform:translateY(-1px)}.quiz-result{text-align:center;padding:40px 24px;border-radius:16px;margin-top:24px}.quiz-result-pass{background:linear-gradient(135deg,#10b98114,#10b98105);border:2px solid #10B981}.quiz-result-fail{background:linear-gradient(135deg,#ef444414,#ef444405);border:2px solid #EF4444}.quiz-result-icon{margin-bottom:12px}.quiz-result-pass .quiz-result-icon{color:#10b981}.quiz-result-fail .quiz-result-icon{color:#ef4444}.quiz-result-title{font-size:1.5rem;font-weight:800;margin-bottom:16px;color:var(--text-primary)}.quiz-result-score{display:flex;align-items:baseline;justify-content:center;gap:4px;margin-bottom:12px}.score-big{font-size:3rem;font-weight:900}.quiz-result-pass .score-big{color:#10b981}.quiz-result-fail .score-big{color:#ef4444}.score-divider,.score-total{font-size:1.5rem;color:var(--text-secondary)}.score-pct{font-size:1rem;color:var(--text-secondary);margin-left:8px}.quiz-result-msg{color:var(--text-secondary);font-size:.95rem;margin-bottom:20px}.quiz-retake-btn{display:inline-flex;align-items:center;gap:6px;padding:12px 24px;background:var(--primary);color:#fff;border:none;border-radius:12px;font-size:.95rem;font-weight:700;cursor:pointer;transition:all .2s}.quiz-retake-btn:hover:not(:disabled){background:var(--dark);transform:translateY(-1px)}.quiz-retake-btn:disabled{opacity:.6;cursor:not-allowed}@media(max-width:600px){.quiz-engine{padding:16px}.quiz-question{font-size:1rem}.quiz-option{padding:12px;font-size:.9rem}}.challenge-container{background:var(--bg-card);border:2px solid rgba(99,102,241,.2);border-radius:14px;overflow:hidden;margin:24px 0;transition:border-color .3s}.challenge-container.correct{border-color:#10b981}.challenge-container.wrong{border-color:#ef4444;animation:shake .3s ease}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-4px)}75%{transform:translate(4px)}}.challenge-header{display:flex;align-items:center;gap:8px;padding:14px 20px;background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;font-size:.9rem;font-weight:700}.challenge-badge{margin-left:auto;background:#fff3;padding:3px 10px;border-radius:20px;font-size:.75rem;font-weight:700}.challenge-body{padding:20px}.challenge-question{font-size:.92rem;color:var(--text-primary);line-height:1.7;margin:0 0 16px}.challenge-code{background:#0d1117;border-radius:10px;padding:20px;overflow-x:auto;overflow-y:visible;margin-bottom:16px;position:relative}.challenge-code pre{margin:0}.challenge-code code{font-family:var(--font-code);font-size:.85rem;line-height:2;color:#e2e8f0;white-space:pre}.blank-wrapper{display:inline;position:relative}.blank-input{background:#6366f126;border:2px solid rgba(99,102,241,.4);border-radius:6px;color:#e2e8f0;font-family:var(--font-code);font-size:.85rem;padding:2px 8px;outline:none;transition:all .2s;text-align:center;vertical-align:baseline}.blank-input:focus{border-color:#818cf8;background:#6366f140;box-shadow:0 0 0 3px #6366f126}.blank-input.correct{border-color:#10b981;background:#10b98126;color:#6ee7b7}.blank-input.wrong{border-color:#ef4444;background:#ef444426;color:#fca5a5}.blank-input:disabled{opacity:.9;cursor:not-allowed}.hint-btn{background:none;border:none;color:#6b7280;cursor:pointer;padding:0 2px;vertical-align:middle;transition:color .2s}.hint-btn:hover{color:#f59e0b}.hint-tooltip{position:absolute;top:calc(100% + 8px);left:50%;transform:translate(-50%);background:#1e293b;color:#f59e0b;padding:8px 14px;border-radius:8px;font-size:.75rem;font-weight:500;white-space:normal;max-width:200px;z-index:100;box-shadow:0 4px 16px #0006;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.hint-tooltip:after{content:"";position:absolute;bottom:100%;left:50%;transform:translate(-50%);border:5px solid transparent;border-bottom-color:#1e293b}.challenge-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.challenge-check-btn{display:flex;align-items:center;gap:6px;padding:10px 24px;background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;border:none;border-radius:10px;font-size:.85rem;font-weight:700;cursor:pointer;transition:all .2s}.challenge-check-btn:hover{transform:translateY(-1px);box-shadow:0 4px 12px #6366f166}.challenge-check-btn:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}.challenge-reset-btn{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;color:var(--text-secondary);cursor:pointer;transition:all .2s}.challenge-reset-btn:hover{color:var(--primary);border-color:var(--primary)}.challenge-success{display:flex;align-items:center;gap:8px;color:#10b981;font-weight:700;font-size:.9rem;animation:fadeInUp .3s ease}@keyframes fadeInUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.challenge-wrong-msg{color:#ef4444;font-size:.82rem;font-weight:500}body.lesson-active .navbar{display:none}.lesson-page{display:flex;min-height:100vh;padding-top:0;position:relative}.lesson-scroll-progress{position:fixed;top:0;left:0;right:0;height:3px;background:var(--border-color);z-index:100}.lesson-scroll-fill{height:100%;background:linear-gradient(90deg,var(--accent),#10B981);transition:width .1s linear}.sidebar-toggle{display:none;position:fixed;top:12px;left:12px;z-index:200;width:40px;height:40px;border-radius:10px;background:var(--bg-primary);border:2px solid var(--border-color);color:var(--text-primary);cursor:pointer;align-items:center;justify-content:center}.lesson-sidebar{position:sticky;top:0;width:260px;height:100vh;overflow-y:auto;border-right:1px solid var(--border-color);background:var(--bg-secondary);flex-shrink:0;padding-bottom:40px;transition:width .25s ease}.lesson-sidebar.collapsed{width:56px;overflow-x:hidden;overflow-y:auto}.sidebar-collapse-btn{width:30px;height:30px;border-radius:8px;border:1px solid var(--border-color);background:var(--bg-primary);color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0}.sidebar-collapse-btn:hover{background:var(--bg-secondary);color:var(--accent);border-color:var(--accent)}.sidebar-header{padding:16px 12px 12px;border-bottom:1px solid var(--border-color)}.sidebar-header-top{display:flex;align-items:center;justify-content:space-between;gap:6px;margin-bottom:10px}.lesson-sidebar.collapsed .sidebar-header-top{flex-direction:column;align-items:center;gap:8px}.lesson-sidebar.collapsed .sidebar-back{justify-content:center}.lesson-sidebar.collapsed .sidebar-header-actions{flex-direction:column;gap:6px}.sidebar-header-actions{display:flex;align-items:center;gap:4px;flex-shrink:0}.sidebar-theme-btn{width:30px;height:30px;border-radius:8px;border:1px solid var(--border-color);background:var(--bg-primary);color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0}.sidebar-theme-btn:hover{background:#f59e0b1a;color:#f59e0b;border-color:#f59e0b}.sidebar-back{display:flex;align-items:center;gap:4px;font-size:.85rem;font-weight:600;color:var(--primary);text-decoration:none;min-width:0;overflow:hidden}.sidebar-back span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-back:hover{text-decoration:underline}.sidebar-course-progress{display:flex;align-items:center;gap:8px}.sidebar-progress-bar{flex:1;height:4px;background:var(--border-color);border-radius:2px;overflow:hidden}.sidebar-progress-fill{height:100%;background:#10b981;border-radius:2px;transition:width .5s}.sidebar-progress-text{font-size:.75rem;font-weight:700;color:#10b981}.sidebar-nav{padding:8px 0}.sidebar-item{display:flex;align-items:center;gap:10px;padding:10px 16px;text-decoration:none;color:var(--text-secondary);font-size:.82rem;transition:all .2s;border-left:3px solid transparent}.sidebar-item:hover{background:#4a7fa70d;color:var(--text-primary)}.sidebar-item.active{background:#4a7fa714;border-left-color:var(--primary);color:var(--primary);font-weight:600}.sidebar-item.completed .sidebar-item-icon{color:#10b981}.sidebar-item-icon{flex-shrink:0;color:var(--border-color)}.sidebar-item-text{flex:1;line-height:1.3}.sidebar-item-num{font-weight:700;margin-right:4px;opacity:.5}.sidebar-item-time{font-size:.7rem;color:var(--text-secondary);opacity:.6}.lesson-main{flex:1;min-width:0;max-width:820px;padding:32px 40px 80px}.lesson-header{margin-bottom:28px}.lesson-breadcrumb{display:flex;align-items:center;gap:6px;font-size:.82rem;color:var(--text-secondary);margin-bottom:8px}.lesson-breadcrumb a{color:var(--primary);text-decoration:none;font-weight:500}.lesson-breadcrumb a:hover{text-decoration:underline}.lesson-title{font-family:var(--font-heading);font-size:2rem;font-weight:800;color:var(--text-primary);margin:0 0 12px;line-height:1.2}.lesson-meta{display:flex;align-items:center;gap:16px;font-size:.85rem;color:var(--text-secondary);flex-wrap:wrap}.lesson-badge-complete{color:#10b981;font-weight:600}.lesson-tabs{display:flex;gap:4px;border-bottom:2px solid var(--border-color);margin-bottom:28px}.lesson-tab{display:flex;align-items:center;gap:6px;padding:10px 20px;border:none;background:none;cursor:pointer;font-size:.9rem;font-weight:600;color:var(--text-secondary);border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .2s}.lesson-tab:hover{color:var(--text-primary)}.lesson-tab.active{color:var(--primary);border-bottom-color:var(--primary)}.tab-check{color:#10b981;margin-left:2px}.lesson-sections{line-height:1.8}.lesson-section{margin-bottom:24px}.section-text{color:var(--text-primary);font-size:1rem}.section-text p{margin-bottom:12px}.section-text h3.md-h3{font-family:var(--font-heading);font-size:1.3rem;font-weight:700;margin:28px 0 12px;color:var(--text-primary)}.section-text h4.md-h4{font-size:1.1rem;font-weight:600;margin:20px 0 8px}.section-text code{background:#4a7fa71f;padding:2px 8px;border-radius:5px;font-family:var(--font-code);font-size:.9em;color:var(--primary-dark);border:1px solid rgba(74,127,167,.15);word-break:break-word}[data-theme=dark] .section-text code{background:#b3cfe51f;color:var(--accent);border-color:#b3cfe526}.section-text strong{font-weight:700}.section-text .md-table{width:100%;border-collapse:collapse;margin:16px 0;font-size:.9rem}.section-text .md-table th,.section-text .md-table td{padding:10px 14px;border:1px solid var(--border-color);text-align:left}.section-text .md-table th{background:var(--bg-secondary);font-weight:700}.section-tip{padding:16px 20px;background:#10b9810f;border-left:4px solid #10B981;border-radius:0 12px 12px 0;font-size:.95rem;color:var(--text-primary);line-height:1.7}.section-warning{padding:16px 20px;background:#f59e0b0f;border-left:4px solid #F59E0B;border-radius:0 12px 12px 0;font-size:.95rem;color:var(--text-primary);line-height:1.7}.section-cheatsheet{background:linear-gradient(135deg,#4a7fa70f,#10b9810a);border:1px solid rgba(74,127,167,.15);border-radius:14px;overflow:hidden;margin:20px 0}.cheatsheet-header{display:flex;align-items:center;gap:8px;padding:14px 20px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;font-size:.9rem;font-weight:700}.cheatsheet-body{padding:18px 20px;font-size:.92rem;line-height:1.8;color:var(--text-primary)}.cheatsheet-body code{background:#4a7fa71f;padding:2px 7px;border-radius:5px;font-family:var(--font-code);font-size:.88em;color:var(--primary-dark);border:1px solid rgba(74,127,167,.12)}[data-theme=dark] .cheatsheet-body code{background:#b3cfe51a;color:var(--accent);border-color:#b3cfe51a}.cheatsheet-body ul,.cheatsheet-body ol{padding-left:20px;margin:8px 0}.cheatsheet-body li{margin-bottom:4px}.section-funfact{background:linear-gradient(135deg,#f59e0b0f,#ef444408);border:1px solid rgba(245,158,11,.15);border-radius:14px;overflow:hidden;margin:20px 0}.funfact-header{display:flex;align-items:center;gap:8px;padding:14px 20px;background:linear-gradient(135deg,#f59e0b,#ef4444);color:#fff;font-size:.9rem;font-weight:700}.funfact-icon{font-size:1.1em}.funfact-body{padding:18px 20px;font-size:.92rem;line-height:1.8;color:var(--text-primary)}.funfact-image{margin:0;padding:0 20px 18px}.funfact-image img{width:100%;max-width:500px;border-radius:10px;border:1px solid rgba(245,158,11,.15)}.funfact-image figcaption{margin-top:8px;font-size:.78rem;color:var(--text-tertiary)}.funfact-image figcaption a{color:var(--primary);text-decoration:none}.funfact-image figcaption a:hover{text-decoration:underline}.section-diagram{background:var(--bg-card);border:1px solid var(--border-color);border-radius:14px;overflow:hidden;margin:20px 0}.diagram-label{padding:12px 20px;background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;font-size:.85rem;font-weight:700;letter-spacing:.02em}.diagram-content{padding:24px 20px;display:flex;justify-content:center;overflow-x:auto}.diagram-content .tree{display:flex;flex-direction:column;align-items:center;gap:0;font-family:var(--font-code);font-size:.82rem}.diagram-content .tree-node{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:8px;font-weight:600;white-space:nowrap}.diagram-content .tree-node.root{background:linear-gradient(135deg,#ef4444,#f97316);color:#fff}.diagram-content .tree-node.head{background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff}.diagram-content .tree-node.body{background:linear-gradient(135deg,#10b981,#14b8a6);color:#fff}.diagram-content .tree-node.child{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-color);font-size:.78rem}.diagram-content .tree-line{width:2px;height:16px;background:var(--border-color);margin:0 auto}.diagram-content .tree-branch{display:flex;gap:16px;align-items:flex-start;position:relative}.diagram-content .tree-branch:before{content:"";position:absolute;top:0;left:50%;transform:translate(-50%);width:calc(100% - 60px);height:2px;background:var(--border-color)}.diagram-content .tree-col{display:flex;flex-direction:column;align-items:center;gap:0}.diagram-caption{padding:10px 20px;font-size:.78rem;color:var(--text-tertiary);text-align:center;border-top:1px solid var(--border-color)}.section-resources{background:var(--bg-card);border:2px solid rgba(59,130,246,.15);border-radius:14px;overflow:hidden;margin:24px 0}.resources-header{display:flex;align-items:center;gap:8px;padding:14px 20px;background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;font-size:.9rem;font-weight:700}.resources-icon{font-size:1.1rem}.resources-description{padding:14px 20px 0;font-size:.85rem;color:var(--text-secondary);line-height:1.6;margin:0}.resources-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:16px 20px}.resource-card{display:flex;align-items:center;gap:10px;padding:12px 14px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:10px;text-decoration:none;color:var(--text-primary);transition:all .2s}.resource-card:hover{border-color:#3b82f6;background:#3b82f60d;transform:translateY(-1px);box-shadow:0 4px 12px #3b82f61a}.resource-emoji{font-size:1.3rem;flex-shrink:0}.resource-info{display:flex;flex-direction:column;min-width:0}.resource-name{font-size:.82rem;font-weight:600;color:var(--text-primary)}.resource-desc{font-size:.72rem;color:var(--text-tertiary);line-height:1.4}@media(max-width:600px){.resources-grid{grid-template-columns:1fr}}.section-code-block{background:#1a1a2e;border-radius:12px;overflow:hidden;margin:16px 0}.code-block-header{display:flex;justify-content:space-between;align-items:center;padding:8px 16px;background:#ffffff0d;border-bottom:1px solid rgba(255,255,255,.1)}.code-lang{font-size:.75rem;font-weight:600;color:#9ca3af;text-transform:uppercase}.section-code-block pre{margin:0;padding:16px;overflow-x:auto}.section-code-block code{font-family:var(--font-code);font-size:.88rem;color:#e5e7eb;line-height:1.7;background:none;padding:0}.code-try-btn{display:flex;align-items:center;gap:6px;padding:8px 16px;background:#4a7fa726;border:none;color:#60a5fa;font-size:.82rem;font-weight:600;cursor:pointer;width:100%;transition:background .2s}.code-try-btn:hover{background:#4a7fa740}.section-image{margin:20px 0;text-align:center}.section-image img{max-width:100%;border-radius:12px;border:1px solid var(--border-color)}.section-image figcaption{font-size:.8rem;color:var(--text-secondary);margin-top:8px}.lesson-bottom-actions{margin-top:40px;padding-top:24px;border-top:2px solid var(--border-color)}.lesson-complete-btn,.lesson-next-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:16px;border:none;border-radius:14px;font-size:1rem;font-weight:700;cursor:pointer;transition:all .3s}.lesson-complete-btn{background:linear-gradient(135deg,var(--accent),#10B981);color:#fff}.lesson-complete-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #10b9814d}.lesson-complete-btn:disabled{opacity:.5;cursor:not-allowed;background:var(--border-color);color:var(--text-secondary)}.lesson-next-btn{background:var(--accent);color:#fff}.lesson-next-btn:hover{background:var(--dark);transform:translateY(-2px)}.lesson-nav-bottom{display:flex;justify-content:space-between;margin-top:40px;padding-top:20px;border-top:1px solid var(--border-color)}.lesson-nav-btn{display:flex;align-items:center;gap:4px;padding:10px 20px;border:2px solid var(--border-color);border-radius:10px;background:var(--bg-primary);color:var(--text-primary);font-size:.9rem;font-weight:600;cursor:pointer;transition:all .2s}.lesson-nav-btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.lesson-nav-btn:disabled{opacity:.3;cursor:not-allowed}.sidebar-overlay{display:none}@media(max-width:900px){.lesson-main{padding:24px 20px 80px}.lesson-title{font-size:1.5rem}}@media(max-width:768px){.sidebar-toggle{display:flex}.lesson-sidebar{position:fixed;top:0;left:-300px;z-index:150;width:280px;height:100vh;transition:left .3s ease;box-shadow:none}.lesson-sidebar.open{left:0;box-shadow:4px 0 20px #00000026}.sidebar-collapse-btn{display:none}.sidebar-overlay{display:block;position:fixed;inset:0;background:#0006;z-index:140}.lesson-main{padding:24px 16px 80px;margin-left:0}.lesson-tabs{overflow-x:auto}.lesson-tab{white-space:nowrap;padding:10px 14px;font-size:.85rem}}@media(max-width:480px){.lesson-title{font-size:1.3rem}.lesson-meta{gap:10px;font-size:.8rem}.lesson-nav-btn{padding:8px 12px;font-size:.8rem}}.coming-soon-page{min-height:100vh;padding-bottom:80px}.cs-hero{text-align:center;padding:100px 24px 60px;max-width:680px;margin:0 auto}.cs-hero-lottie{display:flex;justify-content:center;margin-bottom:8px}.cs-hero-icon-fallback{font-size:4rem;line-height:1}.cs-hero-title{font-size:2rem;font-weight:800;margin-bottom:16px}.cs-hero-subtitle{font-size:1.05rem;color:var(--text-secondary);line-height:1.7;margin-bottom:32px}.cs-hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.cs-hero-actions .btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:12px;font-weight:600;font-size:.9rem}.cs-progress,.cs-future{max-width:780px;margin:0 auto;padding:0 24px 48px}.cs-section-title{display:flex;align-items:center;gap:10px;font-size:1.2rem;font-weight:700;margin-bottom:24px;color:var(--text-primary)}.cs-progress-grid{display:flex;flex-direction:column;gap:12px}.cs-progress-card{display:flex;align-items:center;gap:16px;padding:18px 20px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:14px;transition:all .2s}.cs-progress-card:hover{border-color:var(--primary);box-shadow:0 4px 16px #0000000f}.cs-status-done{border-left:4px solid #10b981}.cs-status-progress{border-left:4px solid #f59e0b}.cs-status-planned{border-left:4px solid var(--border-color);opacity:.7}.cs-progress-icon{flex-shrink:0;width:44px;height:44px;display:flex;align-items:center;justify-content:center;border-radius:12px;background:var(--bg-secondary)}.cs-progress-info{flex:1;min-width:0}.cs-progress-info h3{font-size:.95rem;font-weight:600;margin-bottom:2px}.cs-progress-desc{font-size:.78rem;color:var(--text-tertiary);margin-bottom:6px}.cs-badge{display:inline-flex;align-items:center;gap:4px;font-size:.72rem;font-weight:600;padding:3px 10px;border-radius:20px;text-transform:uppercase;letter-spacing:.3px}.cs-badge-done{background:#10b98122;color:#10b981}.cs-badge-progress{background:#f59e0b22;color:#f59e0b}.cs-badge-planned{background:var(--bg-secondary);color:var(--text-tertiary)}.cs-progress-link{display:inline-flex;align-items:center;gap:4px;font-size:.82rem;font-weight:600;color:#10b981;text-decoration:none;white-space:nowrap}.cs-progress-link:hover{text-decoration:underline}.cs-future-subtitle{font-size:.92rem;color:var(--text-secondary);margin-top:-16px;margin-bottom:24px}.cs-future-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}.cs-future-card{background:var(--bg-card);border:1px dashed var(--border-color);border-radius:16px;padding:24px;text-align:center;opacity:.8;transition:all .2s}.cs-future-card:hover{opacity:1;border-style:solid;border-color:var(--primary);box-shadow:0 4px 16px #0000000f}.cs-future-icon{width:56px;height:56px;display:flex;align-items:center;justify-content:center;border-radius:14px;background:var(--bg-secondary);margin:0 auto 14px}.cs-future-card h3{font-size:.95rem;font-weight:700;margin-bottom:8px}.cs-future-card p{font-size:.82rem;color:var(--text-secondary);line-height:1.6;margin-bottom:12px}.cs-features{max-width:780px;margin:0 auto;padding:0 24px 48px}.cs-features-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.cs-feature-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:24px;text-align:center;transition:all .2s}.cs-feature-card:hover{border-color:var(--primary);box-shadow:0 4px 16px #0000000f;transform:translateY(-2px)}.cs-feature-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin:0 auto 14px}.cs-feature-card h3{font-size:.95rem;font-weight:700;margin-bottom:8px}.cs-feature-card p{font-size:.82rem;color:var(--text-secondary);line-height:1.6;margin-bottom:12px}.cs-save-note{display:flex;gap:14px;align-items:flex-start;margin-top:20px;padding:20px;background:linear-gradient(135deg,#3b82f608,#3b82f612);border:1px solid rgba(59,130,246,.2);border-radius:14px}.cs-save-note>svg{flex-shrink:0;color:#3b82f6;margin-top:2px}.cs-save-note strong{display:block;font-size:.9rem;margin-bottom:6px;color:var(--text-primary)}.cs-save-note p{font-size:.82rem;color:var(--text-secondary);line-height:1.6;margin:0}.cs-info{max-width:780px;margin:0 auto;padding:0 24px 48px;display:flex;flex-direction:column;gap:16px}.cs-info-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:28px}.cs-info-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary),#2563eb);color:#fff;margin-bottom:16px}.cs-info-card h3{font-size:1.05rem;font-weight:700;margin-bottom:12px;color:var(--text-primary)}.cs-info-card p{font-size:.9rem;color:var(--text-secondary);line-height:1.7;margin-bottom:8px}.cs-info-card p:last-child{margin-bottom:0}.cs-jury-note{max-width:780px;margin:0 auto;padding:0 24px 48px}.cs-jury-note-inner{background:linear-gradient(135deg,#1e40af11,#3b82f611);border:2px solid rgba(59,130,246,.2);border-radius:16px;padding:32px}.cs-jury-note h3{font-size:1.1rem;font-weight:700;margin-bottom:14px}.cs-jury-note p{font-size:.9rem;color:var(--text-secondary);line-height:1.7;margin-bottom:14px}.cs-jury-note ul{list-style:none;padding:0;margin:0 0 8px}.cs-jury-note li{font-size:.88rem;padding:6px 0;color:var(--text-secondary)}@media(max-width:600px){.cs-hero{padding:80px 16px 40px}.cs-hero-title{font-size:1.5rem}.cs-hero-actions{flex-direction:column}.cs-hero-lottie>div{width:200px!important;height:200px!important}.cs-progress,.cs-future,.cs-info,.cs-jury-note{padding-left:16px;padding-right:16px}.cs-future-grid{grid-template-columns:1fr}}.chatbot-bubble-wrap{position:fixed;bottom:24px;right:24px;z-index:9999;display:flex;align-items:center;gap:0}.chatbot-bubble-text{position:absolute;right:64px;background:var(--bg-primary);color:var(--text-primary);padding:8px 16px;border-radius:12px 12px 4px;font-size:.78rem;font-weight:600;white-space:nowrap;box-shadow:0 4px 16px #0000001f;border:1px solid var(--border-color);animation:bubbleTextIn .4s ease;pointer-events:none}.chatbot-bubble-text:after{content:"";position:absolute;right:-6px;bottom:8px;width:0;height:0;border:6px solid transparent;border-left-color:var(--bg-primary);border-right:none}@keyframes bubbleTextIn{0%{opacity:0;transform:translate(8px) scale(.9)}to{opacity:1;transform:translate(0) scale(1)}}.chatbot-bubble{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px #6366f166;transition:all .3s ease;position:relative;flex-shrink:0}.chatbot-bubble:hover{transform:scale(1.08);box-shadow:0 6px 28px #6366f180}.chatbot-bubble.active{background:var(--text-secondary);box-shadow:0 4px 12px #00000026}.bubble-ping{position:absolute;top:-2px;right:-2px;width:14px;height:14px;background:#10b981;border-radius:50%;border:2px solid var(--bg-primary);animation:ping 2s infinite}@keyframes ping{0%{box-shadow:0 0 #10b98199}70%{box-shadow:0 0 0 8px #10b98100}to{box-shadow:0 0 #10b98100}}.chatbot-popup{position:fixed;bottom:92px;right:24px;z-index:9998;width:370px;max-height:550px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:20px;box-shadow:0 12px 40px #00000026;display:flex;flex-direction:column;overflow:hidden;animation:slideUp .3s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.chatbot-header{display:flex;align-items:center;gap:10px;padding:14px 16px;background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff}.chatbot-back-btn,.chatbot-close,.chatbot-clear-btn{background:#ffffff26;border:none;color:#fff;width:28px;height:28px;border-radius:8px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .2s;flex-shrink:0}.chatbot-back-btn:hover,.chatbot-close:hover,.chatbot-clear-btn:hover{background:#ffffff40}.chatbot-clear-btn:hover{background:#ef44444d}.chatbot-header-info{flex:1;display:flex;flex-direction:column}.chatbot-name{font-weight:700;font-size:.9rem}.chatbot-status{font-size:.7rem;opacity:.8}.chatbot-clear-confirm{padding:16px;background:#ef44440f;border-bottom:1px solid rgba(239,68,68,.15);text-align:center}.chatbot-clear-confirm p{font-size:.85rem;font-weight:600;color:var(--text-primary);margin:0 0 10px}.clear-confirm-actions{display:flex;gap:8px;justify-content:center}.clear-yes{padding:6px 16px;background:#ef4444;color:#fff;border:none;border-radius:8px;font-size:.78rem;font-weight:700;cursor:pointer;transition:all .2s}.clear-yes:hover{background:#dc2626}.clear-no{padding:6px 16px;background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-color);border-radius:8px;font-size:.78rem;font-weight:600;cursor:pointer;transition:all .2s}.clear-no:hover{border-color:var(--primary)}.chatbot-home{flex:1;padding:20px 16px;overflow-y:auto}.chatbot-greeting{text-align:center;margin-bottom:20px}.chatbot-greeting h3{font-size:1.1rem;font-weight:700;color:var(--text-primary);margin:0 0 6px}.chatbot-greeting p{font-size:.82rem;color:var(--text-secondary);margin:0;line-height:1.5}.chatbot-topics{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.chatbot-topics-label{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-tertiary);margin-bottom:4px}.chatbot-topic-btn{display:flex;align-items:center;gap:8px;padding:10px 14px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:10px;font-size:.82rem;color:var(--text-primary);cursor:pointer;text-align:left;transition:all .2s}.chatbot-topic-btn:hover{background:#6366f114;border-color:#6366f14d;color:#6366f1}.chatbot-actions{display:flex;gap:8px}.chatbot-type-btn,.chatbot-contact-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;padding:10px;border-radius:10px;font-size:.82rem;font-weight:600;cursor:pointer;transition:all .2s}.chatbot-type-btn{background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;border:none}.chatbot-type-btn:hover{box-shadow:0 4px 12px #6366f166}.chatbot-contact-btn{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-color)}.chatbot-contact-btn:hover{border-color:var(--primary);color:var(--primary)}.chatbot-chat{flex:1;display:flex;flex-direction:column;min-height:0}.chatbot-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px;max-height:320px}.chatbot-msg{display:flex;gap:8px;align-items:flex-start;max-width:88%}.chatbot-msg.user{align-self:flex-end;flex-direction:row-reverse}.chatbot-msg-avatar{flex-shrink:0;width:26px;height:26px;border-radius:50%;background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;display:flex;align-items:center;justify-content:center}.chatbot-msg-content{padding:10px 14px;border-radius:14px;font-size:.82rem;line-height:1.6;word-break:break-word}.chatbot-msg.assistant .chatbot-msg-content{background:var(--bg-secondary);color:var(--text-primary);border-top-left-radius:4px}.chatbot-msg.user .chatbot-msg-content{background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;border-top-right-radius:4px}.chatbot-msg-content code{background:#00000026;padding:1px 5px;border-radius:4px;font-family:var(--font-code);font-size:.78rem}.chatbot-msg.assistant .chatbot-msg-content code{background:#6366f11a;color:#6366f1}.chatbot-chips{display:flex;gap:6px;padding:0 16px 8px;overflow-x:auto;flex-shrink:0}.chatbot-chip{flex-shrink:0;padding:6px 12px;background:#6366f114;border:1px solid rgba(99,102,241,.2);border-radius:20px;font-size:.72rem;font-weight:600;color:#6366f1;cursor:pointer;transition:all .2s;white-space:nowrap}.chatbot-chip:hover{background:#6366f126;border-color:#6366f166}.chatbot-typing{display:flex;gap:4px;align-items:center;padding:12px 16px!important}.chatbot-typing span{width:6px;height:6px;border-radius:50%;background:var(--text-tertiary);animation:typingDot 1.2s infinite}.chatbot-typing span:nth-child(2){animation-delay:.2s}.chatbot-typing span:nth-child(3){animation-delay:.4s}@keyframes typingDot{0%,60%,to{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}.chatbot-input-wrap{display:flex;gap:8px;padding:12px 16px;border-top:1px solid var(--border-color);background:var(--bg-primary);flex-shrink:0}.chatbot-input{flex:1;padding:10px 14px;border:1px solid var(--border-color);border-radius:10px;background:var(--bg-secondary);color:var(--text-primary);font-size:.82rem;outline:none;transition:border-color .2s}.chatbot-input:focus{border-color:#6366f1}.chatbot-input::placeholder{color:var(--text-tertiary)}.chatbot-send-btn{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;flex-shrink:0}.chatbot-send-btn:hover:not(:disabled){box-shadow:0 4px 12px #6366f166}.chatbot-send-btn:disabled{opacity:.4;cursor:not-allowed}.chatbot-contact{flex:1;padding:20px 16px;overflow-y:auto}.chatbot-contact-list{display:flex;flex-direction:column;gap:8px}.chatbot-contact-item{display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;text-decoration:none;color:var(--text-primary);transition:all .2s}.chatbot-contact-item:hover{border-color:var(--primary);background:#6366f10d}.chatbot-contact-item svg{color:#6366f1;flex-shrink:0}.contact-name{display:block;font-size:.85rem;font-weight:600}.contact-detail{display:block;font-size:.72rem;color:var(--text-tertiary)}@media(max-width:480px){.chatbot-popup{width:calc(100vw - 32px);right:16px;bottom:80px;max-height:70vh}.chatbot-bubble-wrap{bottom:16px;right:16px}.chatbot-bubble{width:50px;height:50px}.chatbot-bubble-text{right:58px;font-size:.72rem}}