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.4));border-radius:10px;background:linear-gradient(135deg,#60a5fa26,#3b82f61a);color:var(--tool-color, #60a5fa);font-family:Poppins,sans-serif;font-size:.85rem;font-weight:600;cursor:pointer;transition:all .3s ease;position:relative;z-index:2}.tool-examples-btn:hover,.tool-direct-link:hover{background:linear-gradient(135deg,var(--tool-color, rgba(96, 165, 250, .22)),rgba(59,130,246,.15));border-color:var(--tool-color, rgba(96, 165, 250, .5))}.tool-direct-link{background:linear-gradient(135deg,var(--tool-color, rgba(96, 165, 250, .25)),rgba(59,130,246,.2));color:#fff}.tool-direct-link.disabled{background:#6b728033;border-color:#6b72804d;color:#9ca3af;cursor:not-allowed;opacity:.6}.tool-direct-link.disabled:hover{background:#6b728033;border-color:#6b72804d;box-shadow:none;transform:none}.tool-hover-effect{display:none}@media (max-width: 768px){.tool-card{padding:1.5rem}.tool-icon{font-size:3rem}.tool-name{font-size:1.4rem}.tool-description{font-size:.9rem}}@media (max-width: 480px){.tool-card{padding:1.2rem}.tool-icon{font-size:2.5rem}.tool-name{font-size:1.2rem}}.birthday-modal-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000d9;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:2000;display:flex;align-items:center;justify-content:center;padding:2rem}.birthday-modal-container{position:relative;background:#0f1425fa;-webkit-backdrop-filter:blur(30px);backdrop-filter:blur(30px);border-radius:24px;border:2px solid rgba(96,165,250,.4);box-shadow:0 25px 70px #0009,0 0 120px #60a5fa4d,inset 0 1px #ffffff1a;max-width:700px;width:100%;max-height:90vh;overflow-y:auto;z-index:2001;padding:3rem}.birthday-modal-close{position:absolute;top:1.5rem;right:1.5rem;width:40px;height:40px;border:1px solid rgba(96,165,250,.3);border-radius:10px;background:#0f1425cc;color:#cbd5e1;font-size:1.5rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s 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rgba(96,165,250,.6);font-style:italic}.birthday-wish{font-family:Poppins,sans-serif;font-size:1.05rem;color:#cbd5e1;line-height:1.8;margin-bottom:1.5rem}.birthday-signature{font-family:Poppins,sans-serif;font-size:1rem;color:#93c5fd;line-height:1.7;font-weight:500}.birthday-continue-btn{padding:1rem 2.5rem;background:linear-gradient(135deg,#60a5facc,#3b82f699);border:1.5px solid rgba(96,165,250,.5);border-radius:12px;color:#fff;font-family:Poppins,sans-serif;font-size:1.05rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 20px #60a5fa4d;margin-top:1rem}.birthday-continue-btn:hover{box-shadow:0 6px 30px #60a5fa80;background:linear-gradient(135deg,#60a5fae6,#3b82f6b3)}@media (max-width: 768px){.birthday-modal-container{padding:2rem 1.5rem}.birthday-title{font-size:2.2rem}.scientific-quote{font-size:1rem;padding:1.2rem}.birthday-wish,.birthday-signature{font-size:.95rem}}.science-portal{position:relative;z-index:10;width:100%;min-height:100vh;padding:3rem 2rem;display:flex;flex-direction:column;align-items:center;max-width:1600px;margin:0 auto}.glow-effect{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);width:600px;height:600px;background:radial-gradient(circle,rgba(96,165,250,.15) 0%,rgba(59,130,246,.1) 30%,rgba(30,64,175,.05) 50%,transparent 70%);border-radius:50%;pointer-events:none;filter:blur(60px);z-index:1}.portal-header{text-align:center;margin-bottom:3.5rem;position:relative;z-index:2;width:100%}.gojo-icon-small{width:70px;height:70px;margin:0 auto 1.5rem;filter:drop-shadow(0 0 15px rgba(96,165,250,.4))}.portal-title{font-family:Space Grotesk,sans-serif;font-size:4rem;font-weight:700;background:linear-gradient(135deg,#60a5fa,#3b82f6 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ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.category-btn:hover{border-color:#60a5fa80;background:#60a5fa14}.category-btn.active{background:linear-gradient(135deg,#60a5fa40,#3b82f626);border-color:#60a5fa99;color:#fff;box-shadow:0 0 20px #60a5fa4d}.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:2rem;width:100%;margin-bottom:3rem;position:relative;z-index:2}.portal-footer{text-align:center;margin-top:3rem;padding:2rem;background:#0f172a66;border-radius:16px;border:1px solid rgba(96,165,250,.15);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:relative;z-index:2;max-width:600px}.quote-text{font-family:Poppins,sans-serif;font-size:1rem;font-style:italic;color:#94a3b8;line-height:1.7;margin-bottom:.5rem;letter-spacing:.02em}.footer-subtitle{font-family:Poppins,sans-serif;font-size:.85rem;color:#60a5fa;font-weight:500;letter-spacing:.05em}@media (max-width: 768px){.science-portal{padding:2rem 1rem}.portal-title{font-size:2.8rem}.portal-subtitle{font-size:1rem}.tools-grid{grid-template-columns:1fr;gap:1.5rem}.category-filters{gap:.6rem}.category-btn{padding:.6rem 1.1rem;font-size:.85rem}.glow-effect{width:500px;height:500px}}@media (max-width: 480px){.portal-title{font-size:2.2rem}.portal-subtitle{font-size:.9rem}.gojo-icon-small{width:55px;height:55px}}.infinity-effect{position:fixed;top:0;left:0;width:100%;height:100%;z-index:1;pointer-events:none}.app{width:100%;min-height:100vh;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0a0f1e,#0f172a 30%,#1e293b 70%,#0f172a)}*{margin:0;padding:0;box-sizing:border-box}body{margin:0;font-family:Poppins,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;background:#0a0f1e}#root{width:100%;min-height:100vh}