:root{--primary-color:#4a6bff;--secondary-color:#ff6b6b;--tertiary-color:#3b56cd;--background-color:#fff;--text-color:#333;--light-gray:#f5f5f5;--gray:#6c757d;--dark-gray:#4b5563;--border-color:#ccc;--white:#fff;--black:#000;--hover-primary-color:#4665f2;--gradient-end-color:#eaf0ff;--footer-bg-color:#f8f9fa;--coin-gold:gold;--coin-orange:orange;--semi-transparent-white:#fff3;--disabled-color:#9ca3af;--disabled-text-color:#6b7280;--article-meta-color:#6c6c6c;--spinner-accent-color:#4a6bff4d;--shadow-color:#0000001a;--text-shadow-color:#00000040;--focus-shadow-color:#4a6bff33;--hover-shadow-color:#00000026;--active-shadow-color:#0000001a;--border-radius:14px;--rounded-border-radius:20px;--box-shadow:0 4px 6px var(--shadow-color);--container-max-width:800px;--footer-background:#f8f9fa;--footer-heading-color:#2c3e50;--footer-link-color:#4a5568;--footer-link-hover-color:#2b6cb0;--footer-text-color:#718096;--footer-border-color:#e2e8f0}.input-section{display:grid;gap:2rem;grid-template-columns:1fr 1fr;margin-bottom:2rem}.input-section2{gap:.5rem}.input-section2,.input-section3{align-items:center;display:grid;grid-template-columns:1fr 1fr}.input-section3{gap:0}.input-field{border:2px solid var(--border-color);border-radius:var(--border-radius);flex:1;font-size:1rem;padding:.75rem}textarea.input-field{margin:10px 0;min-height:120px;padding:10px;resize:vertical;width:100%}input[type=number].input-field{margin:0 0 .5rem;padding:.75rem;width:100%}input[type=number].input-field::-webkit-inner-spin-button,input[type=number].input-field::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}input[type=number].input-field{-moz-appearance:textfield}.bulk-input{display:flex;flex-direction:column;gap:1rem}.bulk-input textarea{border:2px solid var(--border-color);border-radius:var(--border-radius);flex:1;font-size:1rem;min-height:100px;padding:.75rem;resize:vertical}.bulk-input label{color:#4b5563;display:block;font-size:.95rem;font-weight:400;line-height:1.4;margin-bottom:.5rem}@media (max-width:768px){.input-section{grid-template-columns:1fr}.input-section2,.input-section3{grid-template-columns:1fr;text-align:center}}.primary-button{background-color:var(--primary-color);border:none;border-radius:var(--border-radius);color:var(--white);cursor:pointer;padding:.75rem 1.5rem;transition:transform .3s 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ease}.cta-button,.cta-button:hover{color:var(--white);text-decoration:none}.cta-button:hover{background-color:var(--hover-primary-color);box-shadow:0 6px 12px var(--hover-shadow-color);filter:brightness(1.1);transform:translateY(-2px)}.cta-button:focus{box-shadow:0 0 0 4px var(--focus-shadow-color);outline:2px solid var(--primary-color);outline-offset:2px}.cta-button:active{box-shadow:0 2px 4px var(--active-shadow-color);transform:translateY(0)}@media (max-width:768px){.cta-button{margin:0 auto;max-width:300px;width:100%}}.cta-button:disabled,.primary-button:disabled,.primary-spin-button:disabled,.secondary-button:disabled{background-color:var(--disabled-color,#9ca3af);box-shadow:none;color:var(--disabled-text-color,#6b7280);cursor:not-allowed;transform:none}.cta-button:disabled:hover,.primary-button:disabled:hover,.primary-spin-button:disabled:hover,.secondary-button:disabled:hover{box-shadow:none;transform:none}.outline-button{background-color:initial;border:2px solid var(--primary-color);border-radius:var(--border-radius);color:var(--primary-color);cursor:pointer;padding:.75rem 1.5rem;transition:all .3s ease}.outline-button:hover{background-color:var(--primary-color);color:var(--white);transform:scale(1.05)}.outline-button:disabled{border-color:var(--disabled-color,#9ca3af);color:var(--disabled-color,#9ca3af);cursor:not-allowed}.outline-button:disabled:hover{background-color:initial;transform:none}.outline-button.secondary-button{border-color:var(--secondary-color);color:var(--secondary-color)}.outline-button.secondary-button:hover{background-color:var(--secondary-color);color:var(--white)}.outline-button.secondary-button:disabled{border-color:var(--disabled-color,#9ca3af);color:var(--disabled-color,#9ca3af)}.outline-button.secondary-button:disabled:hover{background-color:initial}.primary-spin-button,.secondary-spin-button{border:none;border-radius:var(--border-radius);color:var(--white);cursor:pointer;font-size:1.1rem;font-weight:600;min-height:44px;min-width:160px;padding:.75rem 2rem;transition:transform .3s ease;width:auto}.primary-spin-button{background-color:var(--primary-color)}.secondary-spin-button{background-color:var(--secondary-color)}.primary-spin-button:hover,.secondary-spin-button:hover{transform:scale(1.05)}.primary-spin-button:active,.secondary-spin-button:active{transform:scale(.96)}@media (max-width:768px){.primary-spin-button,.secondary-spin-button{max-width:300px;width:100%}}.list-container{background-color:var(--light-gray);border-radius:var(--border-radius);padding:2rem;width:100%}.list-container h2{color:var(--primary-color);margin-bottom:1rem}.list-container ul{list-style:none;margin-bottom:1rem;padding:0}.list-item{align-items:center;background-color:var(--white);border-radius:var(--border-radius);display:flex;justify-content:space-between;margin-bottom:.5rem;padding:.75rem}.list-item button{background:none;border:none;color:var(--secondary-color);cursor:pointer;font-size:1.2rem}.list-actions{display:flex;gap:1rem}.list-actions button{border:none;border-radius:var(--border-radius);cursor:pointer;flex:1;padding:.75rem;transition:transform .3s ease}@media (max-width:768px){.list-actions{flex-direction:column}}.faq-section{background-color:var(--light-gray);border-radius:var(--border-radius);margin:2rem auto 3rem;max-width:var(--container-max-width);padding:2rem;width:100%}.faq-section h2{color:var(--primary-color);font-size:2rem;font-weight:600;margin-bottom:2rem;text-align:center}.faq-section p{color:var(--text-color);line-height:1.6;margin-bottom:1.5rem}.faq-section ul{list-style:none;margin-bottom:1.5rem;padding:0}.faq-item{background-color:var(--white);border-radius:var(--border-radius);box-shadow:var(--box-shadow);margin-bottom:1.5rem;padding:1.5rem;transition:transform .3s ease}.faq-item:hover{transform:translateY(-2px)}.faq-item h3{color:var(--primary-color);font-size:1.2rem;margin-bottom:1rem}.faq-item a{text-decoration:underline}.faq-item ol,.faq-item ul{margin:0;padding-left:1.5rem}.faq-item 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a{color:var(--text-color);font-weight:500;text-decoration:none}.nav-toggle{align-items:center;background:none;border:none;cursor:pointer;display:none;flex-direction:column;height:40px;justify-content:center;width:40px;z-index:1001}.hamburger{background:var(--primary-color);border-radius:2px;height:2px;margin:5px 0;transition:.3s;width:30px}.nav-toggle.active .hamburger:first-child{transform:translateY(12px) rotate(45deg)}.nav-toggle.active .hamburger:nth-child(2){opacity:0}.nav-toggle.active .hamburger:nth-child(3){transform:translateY(-12px) rotate(-45deg)}.dropdown{position:relative}.dropdown-toggle .arrow-down{border-left:5px solid #0000;border-right:5px solid #0000;border-top:5px solid;display:inline-block;height:0;margin-left:.5em;transition:transform .3s;vertical-align:middle;width:0}.dropdown.open .dropdown-toggle .arrow-down{transform:rotate(180deg)}.dropdown .dropdown-menu{background-color:var(--background-color);border-radius:var(--border-radius);box-shadow:var(--box-shadow);display:none;flex-direction:column;gap:0;min-width:200px;padding:.5rem 0;position:absolute;right:0;top:100%;z-index:1000}.dropdown-menu li{width:100%}.dropdown-menu a{display:block;padding:.75rem 1.5rem;white-space:nowrap}.dropdown.open .dropdown-menu{display:block}@media (max-width:768px){nav{flex-direction:column;gap:1rem;text-align:center}.logo{margin:0 auto;order:1}.main-nav ul.nav-links{top:56px}.main-nav{align-items:center;flex-direction:row;gap:0;justify-content:center;padding:.5rem 2rem;position:relative}.main-nav ul.nav-links{background:var(--background-color);box-shadow:var(--box-shadow);display:none;flex-direction:column;left:0;padding:1rem 0;position:absolute;text-align:center;top:60px;width:100%;z-index:1000}.main-nav ul.nav-links.nav-open,.nav-toggle{display:flex}.nav-toggle{left:.75rem;position:absolute;top:50%;transform:translateY(-50%);z-index:1001}.nav-links{order:2}.dropdown-toggle{display:none}.dropdown .dropdown-menu{align-items:flex-start;background-color:initial;border-radius:0;box-shadow:none;display:flex;flex-direction:column;gap:1.5rem;min-width:unset;padding:0;position:static}.dropdown-menu a{padding:0 2rem}}.hero{background:linear-gradient(135deg,var(--primary-color) 0,var(--secondary-color) 100%);color:var(--white);padding:4rem 2rem;text-align:center}.hero h1,.hero h2,.hero p{text-shadow:0 1px 2px var(--text-shadow-color)}.hero h1{font-size:3rem;margin-bottom:1.2rem}.hero h2{font-size:1.5rem;margin-bottom:.75rem}.hero p{font-size:1.1rem;margin:0 auto;max-width:600px}.hero .cta-button{margin-top:1.5rem}@media (max-width:768px){.hero{padding:3rem 1.5rem}.hero h1{font-size:2rem}.hero h1,.hero h2{margin-bottom:1rem}.hero h2{font-size:1.25rem}.hero p{font-size:1rem}.hero .cta-button{margin-top:1.5rem}}.featured-tools{margin:0 auto;max-width:1200px;padding:4rem 2rem;width:100%}.featured-tools h2{font-size:2rem;margin-bottom:2rem;margin-top:2rem;text-align:center}.tools-grid{display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));margin:0 auto;max-width:1200px;padding:2rem}.tool-card{background-color:var(--light-gray);border-radius:var(--border-radius);box-shadow:0 2px 4px var(--shadow-color);color:inherit;cursor:pointer;display:block;padding:2rem;position:relative;text-align:center;text-decoration:none;transition:transform .3s ease,box-shadow .3s ease}.tool-card:focus{box-shadow:0 0 0 4px var(--focus-shadow-color);outline:2px solid var(--primary-color);outline-offset:2px}.tool-card:hover{box-shadow:0 12px 24px var(--hover-shadow-color);transform:translateY(-6px) scale(1.015)}a.tool-card:hover{text-decoration:none}.tool-card:active{box-shadow:0 4px 8px var(--active-shadow-color);transform:translateY(-2px)}.tool-card h2,.tool-card h3{color:var(--primary-color);font-size:1.5rem;margin-bottom:1rem}.tool-card p{color:var(--text-color);margin-bottom:1.5rem;min-height:40px}.tool-button{background-color:var(--tertiary-color);border-radius:var(--rounded-border-radius);color:var(--white);display:inline-block;font-weight:700;padding:.8rem 1.5rem;transition:background-color .3s ease}.tool-card:hover .tool-button{background-color:var(--secondary-color)}@media (max-width:768px){.tools-grid{grid-template-columns:1fr;padding:1rem 0}.tool-card{padding:1.25rem}.featured-tools{padding:1rem 0}}.view-all-tools{margin-top:2rem;padding:1rem;text-align:center}.view-all-tools .secondary-button{display:inline-block;font-size:1.1rem;padding:.8rem 2rem;transition:transform .3s ease,box-shadow .3s ease}.view-all-tools .secondary-button:hover{box-shadow:0 4px 8px var(--hover-shadow-color);transform:translateY(-2px)}.site-footer{background-color:var(--footer-background);margin-top:3rem;padding:2rem 0}.footer-content{margin:0 auto;max-width:var(--max-width);padding:0 1rem}.footer-sections{align-items:flex-start;display:flex;gap:3rem;justify-content:center;margin-bottom:2rem}.footer-section{min-width:150px}.footer-section h3{color:var(--footer-heading-color);font-size:1.1rem;margin-bottom:1rem}.footer-links{display:flex;flex-direction:column;gap:.5rem}.footer-links a{color:var(--footer-link-color);text-decoration:none;transition:color .3s ease}.footer-links a:hover{color:var(--footer-link-hover-color);text-decoration:underline}.copyright{border-top:1px solid var(--footer-border-color);color:var(--footer-text-color);font-size:.9rem;padding-top:1rem;text-align:center}@media (max-width:768px){.footer-sections{align-items:center;flex-direction:column;gap:1.5rem;text-align:center}.footer-section{min-width:0;width:100%}.footer-links{align-items:center}}.tips-section{background-color:var(--light-gray);margin-top:3rem;padding:3rem 2rem}.tips-section h2{color:var(--primary-color);margin-bottom:2rem;text-align:center}.tips-list{list-style:none;margin:0 auto;max-width:var(--container-max-width);padding:0}.tips-list li{color:var(--text-color);padding:1rem 0 1rem 2rem;position:relative}.tips-list li:before{font-size:1.2rem;left:0;position:absolute}@media (max-width:768px){.tips-section{padding:2rem 1rem}}.homepage-description{background:linear-gradient(90deg,var(--light-gray) 60%,var(--gradient-end-color) 100%);border-radius:var(--border-radius);box-shadow:0 2px 12px var(--focus-shadow-color);color:var(--text-color);font-size:1.15rem;line-height:1.6;margin:4rem auto 0;max-width:900px;padding:2.5rem 2rem;text-align:center}.homepage-description p{margin-bottom:2rem}.homepage-description p:last-child{margin-bottom:0}.homepage-description a{color:var(--primary-color);font-weight:600}@media (max-width:768px){.homepage-description{font-size:1rem;line-height:1.7;margin-top:3rem;padding:1.5rem 1rem}}.tool-page-container{align-items:center;display:flex;flex-direction:column;gap:1.5rem;justify-content:center;margin:0 auto;max-width:var(--container-max-width);padding:2rem 0;width:100%}.tool-page-container h1{color:var(--primary-color);font-size:1.75rem;font-weight:700;text-align:center}.tool-page-container__description{color:var(--dark-gray);font-size:1rem;font-weight:400;line-height:1.5;margin-left:auto;margin-right:auto;max-width:90%;text-align:center}.content-container{align-items:center;display:flex;flex-direction:column;gap:1.5rem;width:100%}.step{background:var(--light-gray);border-radius:10px;padding:1rem;width:100%}.step label{display:block;font-weight:700;margin-bottom:.5rem}@media (max-width:768px){.tool-page-container{padding:1rem}.tool-page-container h1{margin-bottom:1rem}}.align-center{text-align:center}.align-left{text-align:left}@keyframes spin360{to{transform:rotate(1turn)}}@keyframes spin2160{0%{transform:rotate(0)}to{transform:rotate(6turn)}}.spin360{animation:spin360 1s linear}.spin2160{animation:spin2160 3s linear}.result-display{align-items:center;display:flex;flex-direction:column;justify-content:center;min-height:100px}.result-display.result-display-text{background-color:var(--white);border:2px solid var(--secondary-color);border-radius:var(--border-radius);box-shadow:var(--box-shadow);color:var(--secondary-color);font-size:1.2rem;min-height:60px;opacity:.9;padding:1rem 2rem;text-align:center}.answer-text{align-items:center;animation:spin .5s ease-out forwards;display:flex;flex-direction:column;gap:1rem;padding:1rem}.answer-content{background-color:var(--secondary-color);border-radius:var(--border-radius);box-shadow:var(--box-shadow);cursor:pointer;font-size:3rem;font-weight:700;padding:2rem;text-align:center;transition:transform .3s ease;width:100%}.answer-content:hover{transform:scale(1.02)}.result-text{background-color:var(--white);border-radius:var(--border-radius);font-size:1.5rem;min-height:60px;padding:1rem}.result-text,.text-result{margin-top:1rem;text-align:center}.text-result{color:var(--text-color);font-size:1.2rem;font-weight:500;min-height:1.5rem}.result{animation:spin360 .5s ease-out forwards}.number-text{align-items:center;display:flex;flex-direction:column;gap:1rem}.number-content{background-color:var(--secondary-color);border-radius:var(--border-radius);box-shadow:var(--box-shadow);cursor:pointer;font-size:3rem;font-weight:700;padding:2rem;text-align:center;transition:transform .3s ease;width:100%}.number-content:hover{transform:scale(1.02)}.result-display.animated{opacity:1;transform:scale(1) translateY(-200%);transition:opacity .3s ease-out,transform .3s ease-out}.result-display.hidden{opacity:0;pointer-events:none;transform:scale(.9)}.history-section{background-color:var(--light-gray);border-radius:var(--border-radius);margin:2rem auto 3rem;max-width:var(--container-max-width);padding:2rem;text-align:center;width:100%}.history-section h2{color:var(--primary-color);font-size:2rem;font-weight:600;margin-bottom:2rem;text-align:center}.history-list{display:flex;flex-direction:column;gap:1rem}.history-item{background-color:var(--white);border-radius:var(--border-radius);box-shadow:var(--box-shadow);margin-bottom:1rem;padding:1.5rem;transition:transform .3s ease}.history-item:hover{transform:translateY(-2px)}.history-question{color:var(--primary-color);font-size:1.2rem;font-weight:600;margin-bottom:1rem}.history-answer{color:var(--text-color);line-height:1.6;margin-bottom:.5rem}.history-timestamp{color:var(--dark-gray);font-size:.9rem;text-align:right}.history-empty{background-color:var(--white);border-radius:var(--border-radius);box-shadow:var(--box-shadow);padding:2rem;text-align:center}.history-empty,.history-info{color:var(--dark-gray);font-style:italic}.history-info{font-size:.9rem;margin-top:1rem;text-align:left}@media (max-width:768px){.history-section{padding:1rem}.history-section h2{font-size:1.5rem}.history-item{padding:1rem}}*{box-sizing:border-box}*,body,html{margin:0;padding:0}body,html{height:100%}body{background-color:var(--background-color);color:var(--text-color);display:flex;flex-direction:column;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.6;min-height:100vh}main{flex:1}.spinner{animation:spin360;border:2px solid var(--spinner-accent-color);border-radius:50%;border-top-color:var(--primary-color);display:none;height:50px;width:50px}a{color:var(--secondary-color);text-decoration:none;transition:color .3s ease}a:hover{color:var(--primary-color);text-decoration:underline;text-decoration-thickness:1.5px}