:root{--bg:#f0f7ff;--bg-card:#fff;--text:#1a2332;--text-secondary:#4a5b72;--primary:#0a4b7a;--secondary:#3b82f6;--accent:#10b981;--light-blue:#e0f2fe;--green-soft:#d1fae5;--shadow:#00000014;--border:#e2e8f0;--nav-bg:#ffffffe6;--hero-gradient:linear-gradient(135deg, #0a4b7a 0%, #3b82f6 50%, #10b981 100%);--particle-color:#3b82f64d;--flashcard-bg:#fff;--chat-bg:#fff;--chat-msg-user:#3b82f6;--chat-msg-bot:#f1f5f9;--footer-bg:#0a1628;--footer-text:#cbd5e1}[data-theme=dark]{--bg:#0a1628;--bg-card:#111d33;--text:#e2e8f0;--text-secondary:#94a3b8;--primary:#60a5fa;--secondary:#3b82f6;--accent:#34d399;--light-blue:#0c223a;--green-soft:#0a2e1a;--shadow:#0000004d;--border:#1e293b;--nav-bg:#0a1628f2;--hero-gradient:linear-gradient(135deg, #0a1628 0%, #0a4b7a 50%, #065f46 100%);--particle-color:#60a5fa33;--flashcard-bg:#111d33;--chat-bg:#111d33;--chat-msg-user:#3b82f6;--chat-msg-bot:#1e293b;--footer-bg:#050e1a;--footer-text:#64748b}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font-family:Segoe UI,system-ui,-apple-system,sans-serif;line-height:1.6;transition:background .4s,color .4s;overflow-x:hidden}a{color:inherit;text-decoration:none}#particles-canvas{z-index:0;pointer-events:none;width:100vw;height:100vh;position:fixed;top:0;left:0}nav{z-index:1000;background:var(--nav-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;height:64px;padding:0 2rem;transition:background .4s;display:flex;position:fixed;top:0;left:0;right:0}nav .logo{background:var(--hero-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:1.2rem;font-weight:700}nav .nav-links{align-items:center;gap:1.5rem;display:flex}nav .nav-links a{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;font-family:inherit;font-size:.85rem;font-weight:500;transition:color .3s}nav .nav-links a:hover{color:var(--secondary)}.menu-btn{color:var(--text);cursor:pointer;background:0 0;border:none;font-size:1.4rem;display:none}section{z-index:1;max-width:1200px;margin:0 auto;padding:100px 5%;position:relative}.section-title{text-align:center;background:var(--hero-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:1rem;font-size:2.2rem;font-weight:800}.section-subtitle{text-align:center;color:var(--text-secondary);max-width:650px;margin:0 auto 3rem;font-size:1.05rem}.hero{z-index:1;text-align:center;justify-content:center;align-items:center;min-height:100vh;padding:120px 5% 80px;display:flex;position:relative}.hero-content{max-width:850px}.hero-badge{background:var(--light-blue);color:var(--primary);border:1px solid #3b82f633;border-radius:50px;margin-bottom:1.5rem;padding:8px 20px;font-size:.85rem;font-weight:600;display:inline-block}.hero h1{margin-bottom:1.2rem;font-size:clamp(2rem,5vw,3.5rem);font-weight:900;line-height:1.15}.hero h1 span{background:var(--hero-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.hero p{color:var(--text-secondary);max-width:650px;margin:0 auto 2rem;font-size:1.1rem}.hero-buttons{flex-wrap:wrap;justify-content:center;gap:1rem;display:flex}.btn{cursor:pointer;border:none;border-radius:50px;align-items:center;gap:.5rem;padding:14px 32px;font-family:inherit;font-size:.95rem;font-weight:600;transition:all .3s;display:inline-flex}.btn-primary{background:var(--hero-gradient);color:#fff;box-shadow:0 8px 25px #3b82f659}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 35px #3b82f673}.btn-secondary{color:var(--text);border:2px solid var(--border);background:0 0}.btn-secondary:hover{border-color:var(--secondary);color:var(--secondary);transform:translateY(-3px)}.btn-danger{color:#fff;background:#ef4444}.btn-danger:hover{background:#dc2626;transform:translateY(-2px)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none!important}.hero-icons{justify-content:center;gap:2rem;margin-top:3rem;display:flex}.hero-icons .icon-item{color:var(--text-secondary);flex-direction:column;align-items:center;gap:.4rem;font-size:.8rem;display:flex}.hero-icons .icon-item i,.hero-icons .icon-item svg{color:var(--secondary);background:var(--light-blue);border-radius:18px;justify-content:center;align-items:center;width:60px;height:60px;padding:14px;font-size:2rem;transition:all .3s;display:flex}.hero-icons .icon-item:hover i,.hero-icons .icon-item:hover svg{transform:translateY(-5px);box-shadow:0 8px 25px #3b82f640}.cards-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;display:grid}.card{background:var(--bg-card);box-shadow:0 8px 30px var(--shadow);border:1px solid var(--border);cursor:default;border-radius:20px;padding:2rem 1.5rem;transition:all .4s cubic-bezier(.175,.885,.32,1.275)}.card:hover{box-shadow:0 16px 50px var(--shadow);border-color:var(--secondary);transform:translateY(-8px)}.card-icon{background:var(--light-blue);width:56px;height:56px;color:var(--secondary);border-radius:16px;justify-content:center;align-items:center;margin-bottom:1rem;font-size:1.5rem;transition:all .3s;display:flex}.card-icon svg{font-size:1.5rem}.card:hover .card-icon{background:var(--secondary);color:#fff}.card h3{margin-bottom:.5rem;font-size:1.1rem}.card p{color:var(--text-secondary);font-size:.9rem;line-height:1.5}.app-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.2rem;display:grid}.app-card{background:var(--bg-card);text-align:center;box-shadow:0 6px 20px var(--shadow);border:1px solid var(--border);border-radius:16px;padding:1.5rem;transition:all .3s}.app-card:hover{box-shadow:0 12px 35px var(--shadow);transform:translateY(-5px)}.app-card .app-icon{background:var(--light-blue);width:64px;height:64px;color:var(--secondary);border-radius:16px;justify-content:center;align-items:center;margin:0 auto 1rem;font-size:1.8rem;display:flex}.app-card .app-icon svg{font-size:1.8rem}.app-card h4{margin-bottom:.4rem;font-size:1rem}.app-card p{color:var(--text-secondary);margin-bottom:1rem;font-size:.8rem}.app-card .btn-small{background:var(--hero-gradient);color:#fff;cursor:pointer;border:none;border-radius:50px;padding:8px 20px;font-family:inherit;font-size:.8rem;font-weight:600;transition:all .3s}.app-card .btn-small:hover{transform:scale(1.05);box-shadow:0 6px 20px #3b82f64d}.combo-section{text-align:center;z-index:1;max-width:1200px;margin:0 auto;padding:120px 5%;position:relative;overflow:hidden}.combo-section:before{content:"";pointer-events:none;background:radial-gradient(circle,#3b82f614 0%,#0000 70%);width:800px;height:800px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.combo-title{margin-bottom:1.5rem;font-size:clamp(1.8rem,4vw,3rem);font-weight:900}.combo-title span{background:var(--hero-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.combo-text{color:var(--text-secondary);max-width:650px;margin:0 auto;font-size:1.1rem}.combo-divider{background:var(--hero-gradient);border-radius:2px;width:80px;height:3px;margin:1.5rem auto}.glow-effect{animation:3s ease-in-out infinite glowPulse}@keyframes glowPulse{0%,to{filter:brightness()}50%{filter:brightness(1.2)}}.income-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;display:grid}.flashcards-container{perspective:1200px;max-width:500px;margin:0 auto}.flashcard-wrapper{cursor:pointer;width:100%;height:340px;position:relative}.flashcard-inner{width:100%;height:100%;transform-style:preserve-3d;transition:transform .6s cubic-bezier(.4,0,.2,1);position:relative}.flashcard-wrapper.flipped .flashcard-inner{transform:rotateY(180deg)}.flashcard-face{backface-visibility:hidden;background:var(--flashcard-bg);border:1px solid var(--border);width:100%;height:100%;box-shadow:0 10px 40px var(--shadow);text-align:center;border-radius:20px;flex-direction:column;justify-content:center;align-items:center;padding:2rem;display:flex;position:absolute}.flashcard-back{background:var(--hero-gradient);color:#fff;border:none;transform:rotateY(180deg)}.flashcard-face img{object-fit:cover;border-radius:12px;width:80px;height:80px;margin-bottom:1rem}.flashcard-face h3{margin-bottom:.5rem;font-size:1.2rem}.flashcard-face p{color:var(--text-secondary);font-size:.95rem}.flashcard-back p{color:#ffffffe6}.flashcard-nav{justify-content:center;align-items:center;gap:1.5rem;margin-top:1.5rem;display:flex}.flashcard-nav button{border:1px solid var(--border);background:var(--bg-card);width:48px;height:48px;color:var(--text);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;font-size:1rem;transition:all .3s;display:flex}.flashcard-nav button:hover{background:var(--secondary);color:#fff;border-color:var(--secondary)}.flashcard-counter{color:var(--text-secondary);font-size:.95rem;font-weight:600}.create-form{background:var(--bg-card);border:1px solid var(--border);max-width:500px;box-shadow:0 8px 30px var(--shadow);border-radius:20px;margin:0 auto;padding:2rem}.form-group{margin-bottom:1.2rem}.form-group label{color:var(--text-secondary);margin-bottom:.4rem;font-size:.85rem;font-weight:600;display:block}.form-group input,.form-group select,.form-group textarea{border:1px solid var(--border);background:var(--bg);width:100%;color:var(--text);border-radius:12px;outline:none;padding:12px 16px;font-family:inherit;font-size:.95rem;transition:border .3s}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--secondary)}.form-group textarea{resize:vertical;min-height:80px}.btn-submit{background:var(--hero-gradient);color:#fff;cursor:pointer;border:none;border-radius:12px;width:100%;padding:14px;font-family:inherit;font-size:1rem;font-weight:700;transition:all .3s}.btn-submit:hover{transform:translateY(-2px);box-shadow:0 8px 25px #3b82f64d}.chatbot-toggle{z-index:999;background:var(--hero-gradient);color:#fff;cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:60px;height:60px;font-size:1.5rem;transition:all .3s;display:flex;position:fixed;bottom:24px;right:24px;box-shadow:0 8px 30px #3b82f659}.chatbot-toggle:hover{transform:scale(1.1)}.chatbot-window{z-index:999;background:var(--chat-bg);border:1px solid var(--border);border-radius:20px;flex-direction:column;width:360px;max-width:calc(100vw - 48px);height:500px;max-height:calc(100vh - 140px);display:flex;position:fixed;bottom:96px;right:24px;overflow:hidden;box-shadow:0 20px 60px #0003}.chatbot-header{background:var(--hero-gradient);color:#fff;justify-content:space-between;align-items:center;padding:1.2rem 1.5rem;display:flex}.chatbot-header h4{align-items:center;gap:.5rem;font-weight:700;display:flex}.chatbot-close{color:#fff;cursor:pointer;background:0 0;border:none;font-size:1.2rem}.chatbot-messages{flex-direction:column;flex:1;gap:.8rem;padding:1rem;display:flex;overflow-y:auto}.chatbot-messages .msg{border-radius:16px;max-width:80%;padding:12px 16px;font-size:.9rem;animation:.3s msgIn}.chatbot-messages .msg.bot{background:var(--chat-msg-bot);color:var(--text);border-bottom-left-radius:4px;align-self:flex-start}.chatbot-messages .msg.user{background:var(--chat-msg-user);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}@keyframes msgIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.chatbot-input{border-top:1px solid var(--border);gap:.5rem;padding:.8rem;display:flex}.chatbot-input input{border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:50px;outline:none;flex:1;padding:10px 16px;font-family:inherit;font-size:.9rem}.chatbot-input button{background:var(--hero-gradient);color:#fff;cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;font-size:1rem;transition:all .3s;display:flex}.chatbot-input button:hover{transform:scale(1.05)}.video-container{max-width:720px;box-shadow:0 12px 40px var(--shadow);border:1px solid var(--border);aspect-ratio:16/9;border-radius:20px;margin:0 auto;overflow:hidden}.video-container iframe{border:none;width:100%;height:100%}.video-fallback{background:var(--bg-card);text-align:center;flex-direction:column;justify-content:center;align-items:center;width:100%;height:100%;padding:2rem;display:flex}.podcast-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.5rem;display:grid}.podcast-card{background:var(--bg-card);border:1px solid var(--border);box-shadow:0 6px 20px var(--shadow);border-radius:20px;padding:1.5rem;transition:all .3s}.podcast-card:hover{box-shadow:0 12px 35px var(--shadow);transform:translateY(-4px)}.podcast-card .podcast-img{object-fit:cover;border-radius:12px;justify-content:center;align-items:center;width:100%;height:160px;margin-bottom:1rem;font-size:2.5rem;display:flex}.podcast-card .podcast-category{border-radius:50px;margin-bottom:.5rem;padding:4px 12px;font-size:.7rem;font-weight:600;display:inline-block}.podcast-card h4{margin-bottom:.3rem;font-size:1rem}.podcast-card p{color:var(--text-secondary);margin-bottom:.8rem;font-size:.8rem}.podcast-player{align-items:center;gap:.8rem;display:flex}.podcast-player .play-btn{background:var(--hero-gradient);color:#fff;cursor:pointer;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:.9rem;transition:all .3s;display:flex}.podcast-player .play-btn:hover{transform:scale(1.1)}.podcast-player .progress-bar{background:var(--border);cursor:pointer;border-radius:2px;flex:1;height:4px;position:relative}.podcast-player .progress-bar .progress-fill{background:var(--hero-gradient);border-radius:2px;width:0%;height:100%;transition:width .1s linear}.podcast-player .time{color:var(--text-secondary);min-width:35px;font-size:.75rem}footer{z-index:1;background:var(--footer-bg);color:var(--footer-text);text-align:center;padding:3rem 5%;transition:background .4s,color .4s;position:relative}footer h3{color:#fff;margin-bottom:1rem;font-size:1.3rem;font-weight:700}footer .social-icons{justify-content:center;gap:1.2rem;margin:1.5rem 0;display:flex}footer .social-icons a{width:44px;height:44px;color:var(--footer-text);background:#ffffff0d;border-radius:50%;justify-content:center;align-items:center;font-size:1.1rem;transition:all .3s;display:flex}footer .social-icons a:hover{background:var(--secondary);color:#fff;transform:translateY(-3px)}footer .footer-line{background:var(--hero-gradient);border-radius:2px;width:60px;height:2px;margin:1rem auto}footer p{font-size:.9rem}.reveal{opacity:0;transition:all .7s cubic-bezier(.5,0,0,1);transform:translateY(40px)}.reveal.visible{opacity:1;transform:translateY(0)}.theme-toggle-btn{z-index:1001;background:var(--bg-card);border:1px solid var(--border);cursor:pointer;width:48px;height:48px;box-shadow:0 4px 15px var(--shadow);color:var(--text);border-radius:50%;justify-content:center;align-items:center;font-size:1.2rem;transition:all .3s;display:flex;position:fixed;top:80px;right:20px}.theme-toggle-btn:hover{transform:scale(1.1)}.admin-layout{grid-template-columns:260px 1fr;min-height:100vh;display:grid}.admin-sidebar{background:var(--bg-card);border-right:1px solid var(--border);z-index:100;width:260px;height:100vh;padding:2rem 1rem;position:fixed;top:0;left:0;overflow-y:auto}.admin-sidebar h2{color:var(--primary);margin-bottom:1.5rem;font-size:1.1rem}.admin-sidebar nav{-webkit-backdrop-filter:none;backdrop-filter:none;background:0 0;border:none;flex-direction:column;gap:.3rem;height:auto;padding:0;display:flex;position:static}.admin-sidebar nav a{color:var(--text-secondary);cursor:pointer;text-align:left;background:0 0;border:none;border-radius:10px;align-items:center;gap:.6rem;width:100%;padding:10px 14px;font-family:inherit;font-size:.85rem;font-weight:500;transition:all .2s;display:flex}.admin-sidebar nav a:hover,.admin-sidebar nav a.active{background:var(--light-blue);color:var(--secondary)}.admin-content{grid-column:2;max-width:100%;padding:2rem}.admin-content h1{margin-bottom:2rem;font-size:1.8rem;font-weight:800}.admin-card{background:var(--bg-card);border:1px solid var(--border);box-shadow:0 4px 15px var(--shadow);border-radius:16px;margin-bottom:1.5rem;padding:1.5rem}.admin-card h3{align-items:center;gap:.5rem;margin-bottom:1rem;font-size:1.1rem;display:flex}.admin-table{border-collapse:collapse;width:100%;font-size:.85rem}.admin-table th,.admin-table td{text-align:left;border-bottom:1px solid var(--border);padding:10px 12px}.admin-table th{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-size:.8rem;font-weight:600}.admin-table tr:hover td{background:var(--light-blue)}.admin-actions{gap:.5rem;display:flex}.admin-actions button{border:1px solid var(--border);background:var(--bg);color:var(--text);cursor:pointer;border-radius:8px;padding:6px 12px;font-family:inherit;font-size:.8rem;transition:all .2s}.admin-actions button:hover{border-color:var(--secondary);color:var(--secondary)}.admin-actions .delete-btn:hover{color:#ef4444;border-color:#ef4444}.empty-state{text-align:center;color:var(--text-secondary);padding:3rem}.empty-state svg{opacity:.4;margin-bottom:1rem;font-size:3rem}.status-badge{border-radius:50px;align-items:center;gap:.3rem;padding:4px 10px;font-size:.75rem;font-weight:600;display:inline-flex}.status-badge.active{color:#065f46;background:#d1fae5}.status-badge.inactive{color:#991b1b;background:#fee2e2}.back-link{background:var(--bg-card);border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;border-radius:10px;align-items:center;gap:.4rem;margin-bottom:1.5rem;padding:8px 16px;font-size:.85rem;text-decoration:none;transition:all .2s;display:inline-flex}.back-link:hover{border-color:var(--secondary);color:var(--secondary)}@media (width<=768px){section{padding:70px 5%}.section-title{font-size:1.7rem}.menu-btn{display:block}nav .nav-links{background:var(--nav-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);flex-direction:column;padding:1rem 2rem;display:none;position:fixed;top:64px;left:0;right:0}nav .nav-links.open{display:flex}.hero h1{font-size:1.8rem}.chatbot-window{width:calc(100vw - 32px);height:450px;bottom:88px;right:16px}.flashcard-wrapper{height:280px}.cards-grid{grid-template-columns:1fr}.app-grid{grid-template-columns:repeat(2,1fr)}.income-grid,.podcast-grid,.admin-layout{grid-template-columns:1fr}.admin-sidebar{display:none}.admin-content{grid-column:1;padding:1rem}.admin-sidebar.open{z-index:200;display:block;position:fixed}.admin-mobile-menu{display:block!important}.theme-toggle-btn{width:40px;height:40px;font-size:1rem;top:72px;right:12px}}@media (width>=769px){.admin-mobile-menu{display:none!important}}