@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@600;700;800&display=swap";:root{--color-primary:#ff4d6d;--color-primary-hover:#e6395c;--color-secondary:#ffb703;--color-accent:#00bfa6;--color-rainbow-blue:#2196f3;--color-rainbow-purple:#8e5de7;--color-rainbow-orange:#ff8c42;--color-rainbow-yellow:#ffd166;--color-rainbow-green:#4caf50;--color-background:#fff9fc;--color-background-soft:#fffcfe;--color-surface:#fff;--color-text:#263238;--color-text-secondary:#667085;--color-border:#f1dde4;--color-success:#16a34a;--color-warning:#f59e0b;--color-error:#e53935;--shadow-sm:0 4px 10px #2632380f;--shadow-md:0 12px 30px #2632381a;--shadow-lg:0 20px 50px #26323826;--radius-sm:10px;--radius-md:14px;--radius-lg:20px;--transition:.25s ease}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth}body{background:linear-gradient(180deg, #fff, #fffcfe 40%, var(--color-background));min-height:100vh;color:var(--color-text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;font-family:Inter,sans-serif;line-height:1.6}#root{max-width:1400px;min-height:100vh;margin:0 auto}h1,h2,h3,h4,h5,h6{color:var(--color-text);margin-top:0;font-family:Plus Jakarta Sans,sans-serif}h1{font-size:clamp(2.4rem,5vw,4rem);font-weight:800}h2{font-size:2rem;font-weight:700}h3{font-size:1.35rem;font-weight:700}p{color:var(--color-text-secondary)}a{color:var(--color-primary);transition:var(--transition);text-decoration:none}a:hover{color:var(--color-primary-hover)}img{max-width:100%;display:block}input,textarea,select,button{font:inherit}:focus-visible{outline-offset:2px;outline:3px solid #ff4d6d33}::selection{background:#ff4d6d2e}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:#fff1f5}::-webkit-scrollbar-thumb{background:linear-gradient(180deg, var(--color-primary), var(--color-secondary), 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.75rem}.navbar__logo{width:30px;height:30px}.navbar__nav{order:3;justify-content:center;gap:1rem;width:100%}.navbar__link{font-size:.85rem}.logout-button{min-width:unset;padding:.35rem .6rem;font-size:.8rem}}.button{border-radius:var(--radius-md);cursor:pointer;-webkit-user-select:none;user-select:none;border:none;justify-content:center;align-items:center;gap:.5rem;min-height:46px;padding:.9rem 2rem;font-family:inherit;font-size:1rem;font-weight:700;line-height:1;text-decoration:none;transition:transform .25s,box-shadow .25s,background .25s,color .25s,border-color .25s;display:inline-flex}.button-primary{background:linear-gradient(135deg, var(--color-primary), var(--color-secondary));color:#fff;box-shadow:var(--shadow-sm)}.button-primary:hover:not(:disabled){box-shadow:var(--shadow-lg);transform:translateY(-3px)}.button-primary:active:not(:disabled){transform:scale(.98)}.button-secondary{color:var(--color-primary);border:1px solid var(--color-border);background:#fff}.button-secondary:hover:not(:disabled){border-color:var(--color-primary);background:#f4f9ff}.button-outline{color:var(--color-primary);border:2px solid var(--color-primary);background:0 0}.button-outline:hover:not(:disabled){background:#0b63ff14}.button-danger{background:var(--color-error);color:#fff}.button-danger:hover:not(:disabled){background:#c62828}.button-full-width{width:100%}.button:disabled{opacity:.55;cursor:not-allowed;box-shadow:none;transform:none}.button:focus-visible{outline:none;box-shadow:0 0 0 4px #0b63ff2e}@media (width<=768px){.button{width:100%;padding:.9rem 1.5rem;font-size:.95rem}}.page-container{max-width:1200px;margin:0 auto;padding:2rem 2.5rem}@media (width<=768px){.page-container{padding:16px}}.hero{text-align:center;border-bottom:1px solid var(--color-border);background:radial-gradient(circle at 10% 20%,#ff4d6d1f,#0000 32%),radial-gradient(circle at 90% 15%,#2196f324,#0000 30%),radial-gradient(circle at 85% 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p{color:var(--color-text-secondary);margin-bottom:0;line-height:1.7}.quiz-card-link{z-index:1;color:var(--color-primary);font-size:.95rem;font-weight:700;transition:color .2s,transform .2s;display:inline-block;position:relative}.quiz-card:hover .quiz-card-link{color:var(--color-rainbow-purple);transform:translate(3px)}.footer{border-top:1px solid var(--color-border);text-align:center;background:linear-gradient(#fff,#fff9fc);margin-top:2rem;padding:2.5rem 1rem}.footer-links{flex-wrap:wrap;justify-content:center;gap:.75rem 1.5rem;margin-bottom:1rem;display:flex}.footer-links a{color:var(--color-primary);font-size:.95rem;font-weight:600;text-decoration:none;transition:color .25s}.footer-links a:hover{color:var(--color-rainbow-purple);text-decoration:underline}.footer-links button{color:var(--color-primary);cursor:pointer;background:0 0;border:none;font-size:.95rem;font-weight:600;transition:color .25s}.footer-links 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h3{font-size:1.2rem}}.error-message{background:var(--color-danger-light);color:var(--color-danger);border-radius:8px;padding:1rem}.login-page{background:linear-gradient(135deg,#fff9fc 0%,#fffdf5 45%,#f5fffc 100%);justify-content:center;align-items:center;min-height:100vh;padding:2rem;display:flex}.login-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:24px;width:100%;max-width:440px;padding:3rem;position:relative;overflow:hidden;box-shadow:0 20px 50px #2632381a}.login-card:before{content:"";background:linear-gradient(90deg,#ff4d6d,#ff8c42,#ffd166,#4caf50,#2196f3,#8e5de7);width:100%;height:5px;position:absolute;top:0;left:0}.login-logo{flex-direction:column;align-items:center;margin-bottom:1.25rem;display:flex}.login-logo img,.login-logo-image{object-fit:contain;width:144px;height:144px;margin-bottom:.75rem}.login-title{text-align:center;color:var(--color-text);margin:0 0 .5rem;font-family:Plus Jakarta 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#b7e4c7;margin-bottom:1rem;padding:.9rem 1rem;font-size:.95rem}.login-footer{text-align:center;color:var(--color-text-secondary);margin-top:1.5rem;font-size:.95rem}.login-footer a{color:var(--color-primary);transition:var(--transition);font-weight:700;text-decoration:none}.login-footer a:hover{color:var(--color-primary-hover);text-decoration:underline}@media (width<=480px){.login-page{padding:1rem}.login-card{border-radius:20px;padding:2rem 1.5rem}.login-title{font-size:1.9rem}.login-logo img,.login-logo-image{width:120px;height:120px}}.section-page{background:linear-gradient(180deg, #fff 0%, #fffcfe 45%, var(--color-background) 100%);min-height:100vh}.section-header{border-bottom:1px solid var(--color-border);background:radial-gradient(circle at 90% 20%,#2196f31a,#0000 30%),radial-gradient(circle at 10% 80%,#ff4d6d14,#0000 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var(--color-secondary));color:#fff;border-radius:var(--radius-md);cursor:pointer;border:none;padding:.9rem 1.6rem;font-weight:700;transition:transform .25s,box-shadow .25s;box-shadow:0 7px 18px #ff4d6d29}.home-btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px #ff4d6d3d}.home-btn:active{transform:scale(.98)}.section-container{max-width:1300px;margin:auto;padding:3rem 1.5rem 5rem}.topic-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;display:grid}.topic-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);cursor:pointer;box-shadow:var(--shadow-sm);padding:1.6rem;transition:transform .25s,box-shadow .25s,border-color .25s;position:relative;overflow:hidden}.topic-card:before{content:"";background:linear-gradient(90deg, var(--color-primary), var(--color-rainbow-orange), var(--color-secondary), var(--color-accent), var(--color-rainbow-blue), var(--color-rainbow-purple));opacity:.8;height:4px;position:absolute;top:0;left:0;right:0}.topic-card:hover{box-shadow:var(--shadow-lg);border-color:#ff4d6d40;transform:translateY(-6px)}.topic-number{background:linear-gradient(135deg, var(--color-primary), var(--color-rainbow-orange));color:#fff;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;margin-bottom:1rem;font-family:Plus Jakarta Sans,sans-serif;font-weight:800;display:flex;box-shadow:0 6px 14px #ff4d6d2e}.topic-card:nth-child(2n) .topic-number{background:linear-gradient(135deg, var(--color-rainbow-blue), var(--color-rainbow-purple));box-shadow:0 6px 14px #2196f32e}.topic-card:nth-child(3n) .topic-number{background:linear-gradient(135deg, var(--color-accent), var(--color-rainbow-green));box-shadow:0 6px 14px #00bfa62e}.topic-card:nth-child(4n) .topic-number{background:linear-gradient(135deg, var(--color-secondary), var(--color-rainbow-orange));box-shadow:0 6px 14px #ffb70333}.topic-card 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