@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap";
:root{--bg:#1f3c88;--bg-dark:#0a1f44e0;--primary:#3a86ff;--secondary:#2a6f97;--accent:#ffd166;--accent-strong:#ffb703;--gradient:linear-gradient(90deg, #6a4c93, #f77f00);--text:#fff;--primary-dark:#1f6ce0;--primary-light:#3a86ff2e;--primary-50:#3a86ff1f;--accent-light:#ffd1662e;--bg-white:#fff;--bg-card:#0a1f44c7;--text-secondary:#d8e6ff;--text-muted:#a9bedd;--text-white:#fff;--border:#ffffff29;--border-light:#ffffff14;--success:#10b981;--error:#ef4444;--warning:var(--accent-strong);--shadow-sm:0 1px 2px #0000000d;--shadow-md:0 4px 6px -1px #00000012, 0 2px 4px -2px #0000000d;--shadow-lg:0 10px 15px -3px #00000014, 0 4px 6px -4px #0000000d;--shadow-xl:0 20px 25px -5px #00000014, 0 8px 10px -6px #0000000a;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--font:"Inter", -apple-system, BlinkMacSystemFont, sans-serif;--max-width:1400px;--header-height:72px;--sidebar-width:260px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100%;overflow:hidden auto}body{font-family:var(--font);background:var(--bg);color:var(--text);-webkit-overflow-scrolling:touch;min-height:100dvh;line-height:1.6;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}button{cursor:pointer;background:0 0;border:none;font-family:inherit}ul,ol{list-style:none}h1,h2,h3,h4,h5,h6{color:var(--text);font-weight:700;line-height:1.2}h1{font-size:3rem}h2{font-size:2.25rem}h3{font-size:1.5rem}h4{font-size:1.25rem}@media (max-width:768px){h1{font-size:2rem}h2{font-size:1.75rem}h3{font-size:1.25rem}}.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}.section{padding:80px 0}@media (max-width:768px){.section{padding:48px 0}}.badge{border-radius:var(--radius-full);letter-spacing:.025em;align-items:center;padding:4px 12px;font-size:.75rem;font-weight:600;display:inline-flex}.badge-primary{background:var(--primary-light);color:var(--primary)}.badge-accent{background:var(--accent-light);color:var(--accent)}.badge-success{color:#059669;background:#d1fae5}.btn{border-radius:var(--radius-md);white-space:nowrap;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-size:.938rem;font-weight:600;transition:all .2s;display:inline-flex}.btn-primary{background:var(--accent);color:var(--bg-dark);box-shadow:0 2px 8px #ffd16652}.btn-primary:hover{background:var(--accent-strong);transform:translateY(-1px);box-shadow:0 4px 16px #ffb70366}.btn-outline{color:var(--accent);border:2px solid var(--accent);background:0 0}.btn-outline:hover{background:var(--accent);color:var(--bg-dark)}.btn-lg{border-radius:var(--radius-lg);padding:16px 32px;font-size:1.063rem}.btn-sm{padding:8px 16px;font-size:.813rem}.card{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:all .3s}.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.gradient-text{background:var(--gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.highlight-doubt-solve{background:linear-gradient(135deg,#ffd166 0%,#ffb703 100%);-webkit-text-fill-color:transparent;color:#ffd166;-webkit-background-clip:text;background-clip:text;display:inline-block}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-30px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes countUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in-up{animation:.6s forwards fadeInUp}.animate-fade-in{animation:.5s forwards fadeIn}.stars{color:var(--accent);gap:2px;font-size:1rem;display:inline-flex}.grid-2{grid-template-columns:repeat(2,1fr);gap:24px;display:grid}.grid-3{grid-template-columns:repeat(3,1fr);gap:24px;display:grid}.grid-4{grid-template-columns:repeat(4,1fr);gap:24px;display:grid}@media (max-width:1024px){.grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}}@media (max-width:640px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}.skeleton{background:linear-gradient(90deg, var(--border-light) 25%, var(--border) 50%, var(--border-light) 75%);border-radius:var(--radius-sm);background-size:200% 100%;animation:1.5s infinite shimmer}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.sidebar-footer{flex-direction:column;gap:8px;width:100%;margin-top:auto;display:flex}.sidebar-footer-btn{height:48px;color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:14px;align-items:center;gap:14px;width:100%;padding:0 16px;font-size:.938rem;font-weight:500;transition:all .3s;display:flex}.sidebar-footer-btn:hover{color:#fff;background:#00d4ff1a}@media (max-width:1100px) and (min-width:769px){.sidebar{align-items:center!important;width:80px!important;padding:24px 10px!important}.sidebar .logo{text-align:center;letter-spacing:-1px!important;margin-bottom:20px!important;font-size:20px!important}.sidebar .menu-item span,.sidebar .upgrade-btn span,.sidebar .sidebar-footer-btn span,.sidebar span{display:none!important}.sidebar .menu-item,.sidebar .sidebar-footer-btn{border-radius:12px!important;justify-content:center!important;width:50px!important;height:50px!important;padding:0!important}.sidebar .upgrade-btn{border-radius:12px!important;justify-content:center!important;align-items:center!important;width:50px!important;height:50px!important;padding:0!important;display:flex!important}.sidebar .upgrade-btn:after{content:"PRO";font-size:11px;font-weight:800}}@media (max-width:768px){.sidebar{display:none!important}.dashboard,.quiz-dashboard{overflow-x:hidden;padding-bottom:80px!important;display:block!important}.main,.main-content{width:100%!important;padding:16px!important}.mobile-bottom-nav{-webkit-backdrop-filter:blur(20px);z-index:9999;background:#0a1f44eb;border-top:1px solid #ffffff1a;justify-content:space-around;align-items:center;height:68px;padding:0 10px;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -10px 30px #0000004d;display:flex!important}.mobile-bottom-nav-item{color:var(--text-muted);cursor:pointer;background:0 0;border:none;flex-direction:column;flex:1;align-items:center;gap:2px;padding:4px 0;font-size:9px;font-weight:600;transition:all .2s;display:flex}.mobile-bottom-nav-item.active{text-shadow:0 0 10px #00d4ff4d;color:var(--primary)!important}.mobile-bottom-nav-item svg{transition:transform .2s}.mobile-bottom-nav-item.active svg{transform:translateY(-2px)scale(1.08)}}.mobile-bottom-nav{display:none}
.Header-module__Af2_WG__header{z-index:1000;-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);background:#0a1f44e0;height:72px;position:sticky;top:0}.Header-module__Af2_WG__inner{max-width:var(--max-width);justify-content:space-between;align-items:center;height:100%;margin:0 auto;padding:0 clamp(16px,3vw,24px);display:flex}.Header-module__Af2_WG__leftSection{flex-shrink:0;align-items:center;gap:16px;display:flex}.Header-module__Af2_WG__logo{flex-shrink:0;align-items:center;text-decoration:none;display:flex}.Header-module__Af2_WG__logoImage{object-fit:contain;width:clamp(48px,6vw,64px);height:clamp(48px,6vw,64px)}.Header-module__Af2_WG__nav{flex:1;justify-content:center;align-items:center;gap:clamp(20px,3vw,40px);display:flex}.Header-module__Af2_WG__navLink{color:#fff;font-size:15px;font-weight:600;text-decoration:none;transition:all .25s}.Header-module__Af2_WG__navLink:hover{color:var(--accent)}.Header-module__Af2_WG__mobileNavHeader{display:none}.Header-module__Af2_WG__actions{align-items:center;gap:clamp(8px,2vw,12px);display:flex}.Header-module__Af2_WG__downloadBtn{color:#111;background:#ffd166;border-radius:999px;align-items:center;gap:8px;height:42px;padding:0 22px;font-size:14px;font-weight:700;text-decoration:none;transition:all .25s;display:flex;box-shadow:0 4px 15px #ffd1664d}.Header-module__Af2_WG__downloadBtn:hover{transform:translateY(-2px)}.Header-module__Af2_WG__profileAvatarButton{justify-content:center;align-items:center;display:flex}.Header-module__Af2_WG__profileAvatar{object-fit:cover;border:2px solid #ffffff26;border-radius:50%;width:42px;height:42px}.Header-module__Af2_WG__profileInitialsCircle{color:#fff;background:#ff5a1f;border-radius:50%;justify-content:center;align-items:center;width:42px;height:42px;font-size:15px;font-weight:700;display:flex}.Header-module__Af2_WG__hamburger{width:44px;height:44px;color:var(--text);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;display:none}.Header-module__Af2_WG__navOverlay{display:none}@media (max-width:768px){.Header-module__Af2_WG__hamburger{margin-right:-8px;display:flex}.Header-module__Af2_WG__nav{background:var(--bg-card);z-index:2000;border-left:1px solid var(--border);flex-direction:column;justify-content:flex-start;align-items:flex-start;gap:0;width:280px;height:100vh;padding:0;transition:right .3s ease-in-out;position:fixed;top:0;right:-100%;box-shadow:-5px 0 25px #00000080}.Header-module__Af2_WG__navOpen{right:0}.Header-module__Af2_WG__navOverlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1999;background:#0009;width:100vw;height:100vh;display:block;position:fixed;top:0;left:0}.Header-module__Af2_WG__mobileNavHeader{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;width:100%;height:72px;margin-bottom:16px;padding:0 24px;display:flex}.Header-module__Af2_WG__mobileNavTitle{color:var(--text);font-size:18px;font-weight:700}.Header-module__Af2_WG__closeMenuBtn{width:44px;height:44px;color:var(--text);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;margin-right:-10px;display:flex}.Header-module__Af2_WG__navLink{border-bottom:1px solid #ffffff0d;width:100%;padding:16px 24px;font-size:16px}.Header-module__Af2_WG__navLink:hover{background:#ffffff0d}.Header-module__Af2_WG__downloadBtn{display:none}}