:root{--font-body:'Inter',sans-serif;--font-heading:'Outfit',sans-serif;--bg-primary:#090d16;--bg-secondary:#111827;--bg-card:#151e32;--bg-input:#0c1322;--border:#263554;--border-focus:#3b82f6;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--accent:#3b82f6;--accent-hover:#2563eb;--accent-glow:rgba(59,130,246,0.3);--accent-green:#10b981;--accent-amber:#f59e0b;--accent-rose:#f43f5e;--card-shadow:0 12px 35px -8px rgba(0,0,0,0.6);--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--transition:all 0.2s cubic-bezier(0.4,0,0.2,1)}[data-theme="light"]{--bg-primary:#f8fafc;--bg-secondary:#ffffff;--bg-card:#ffffff;--bg-input:#f1f5f9;--border:#e2e8f0;--border-focus:#2563eb;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--accent:#2563eb;--accent-hover:#1d4ed8;--accent-glow:rgba(37,99,235,0.2);--card-shadow:0 10px 25px -5px rgba(0,0,0,0.08)}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-body);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden;max-width:100vw;min-height:100vh}a{color:inherit;text-decoration:none;transition:var(--transition)}button,input,select,textarea{font-family:inherit;font-size:inherit}button{cursor:pointer;border:none;background:none}.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}.site-header{position:sticky;top:0;z-index:1000;background:rgba(9,13,22,0.85);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}[data-theme="light"] .site-header{background:rgba(255,255,255,0.88)}.nav-wrapper{display:flex;align-items:center;justify-content:space-between;height:72px}.brand-logo{display:flex;align-items:center;gap:10px;font-family:var(--font-heading);font-weight:700;font-size:1.35rem;color:var(--text-primary)}.brand-logo svg{width:32px;height:32px;fill:var(--accent)}.nav-menu{display:flex;align-items:center;gap:24px;list-style:none}.nav-item{position:relative}.nav-link{display:flex;align-items:center;gap:6px;font-size:0.95rem;font-weight:500;color:var(--text-secondary);padding:10px 0;transition:var(--transition)}.nav-link:hover,.nav-link.active{color:var(--accent)}.nav-dropdown{position:absolute;top:100%;left:0;min-width:320px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--card-shadow);padding:16px;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(8px);transition:var(--transition);display:grid;grid-template-columns:1fr 1fr;gap:8px;z-index:1010}.nav-item:hover .nav-dropdown{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}.dropdown-col{display:flex;flex-direction:column;gap:6px}.dropdown-link{display:block;padding:8px 10px;border-radius:var(--radius-sm);font-size:0.84rem;color:var(--text-secondary);transition:var(--transition);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dropdown-link:hover{background:var(--bg-input);color:var(--accent)}.nav-actions{display:flex;align-items:center;gap:12px}.theme-toggle-btn{width:40px;height:40px;border-radius:var(--radius-md);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--text-secondary);background:var(--bg-card);transition:var(--transition)}.theme-toggle-btn:hover{color:var(--text-primary);border-color:var(--border-focus)}.mobile-menu-btn{display:none;width:40px;height:40px;border-radius:var(--radius-md);border:1px solid var(--border);align-items:center;justify-content:center;color:var(--text-primary);background:var(--bg-card)}.mobile-drawer{display:none;position:fixed;top:72px;left:0;width:100%;height:calc(100vh - 72px);background:var(--bg-primary);padding:24px 20px;overflow-y:auto;z-index:999;flex-direction:column;gap:16px}.mobile-drawer.open{display:flex}.breadcrumbs-nav{padding:16px 0;font-size:0.85rem;color:var(--text-muted)}.breadcrumbs-list{display:flex;align-items:center;gap:8px;list-style:none;flex-wrap:wrap}.breadcrumb-separator{opacity:0.5}.breadcrumbs-list a:hover{color:var(--accent)}.breadcrumb-current{color:var(--text-primary);font-weight:600}.hero-section{padding:30px 0 24px;text-align:center}.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(59,130,246,0.12);border:1px solid rgba(59,130,246,0.3);color:var(--accent);font-size:0.82rem;font-weight:600;margin-bottom:16px}.hero-title{font-family:var(--font-heading);font-size:clamp(2rem,4vw,3.2rem);font-weight:800;letter-spacing:-0.02em;line-height:1.2;margin-bottom:14px;background:linear-gradient(135deg,#ffffff 30%,#94a3b8 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}[data-theme="light"] .hero-title{background:linear-gradient(135deg,#0f172a 40%,#3b82f6 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero-subtitle{font-size:1.05rem;color:var(--text-secondary);max-width:760px;margin:0 auto 24px}.app-wrapper{display:grid;grid-template-columns:1fr;gap:24px;margin-bottom:50px}.crypto-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--card-shadow);padding:28px;position:relative}.mode-tabs{display:flex;background:var(--bg-input);border-radius:var(--radius-md);padding:4px;margin-bottom:24px;border:1px solid var(--border)}.mode-tab{flex:1;padding:12px 18px;border-radius:var(--radius-sm);font-weight:600;font-size:0.95rem;color:var(--text-muted);display:flex;align-items:center;justify-content:center;gap:8px;transition:var(--transition)}.mode-tab.active{background:var(--accent);color:#ffffff;box-shadow:0 4px 14px var(--accent-glow)}.settings-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:20px}.form-group{display:flex;flex-direction:column;gap:8px;position:relative}.form-label{font-size:0.85rem;font-weight:600;color:var(--text-secondary);display:flex;align-items:center;justify-content:space-between}.form-control{width:100%;padding:12px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);outline:none;transition:var(--transition)}.form-control:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px var(--accent-glow)}textarea.form-control{resize:vertical;min-height:130px;line-height:1.5;font-family:monospace;font-size:0.92rem}.input-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}.input-actions{display:flex;align-items:center;gap:10px}.btn-icon-text{display:inline-flex;align-items:center;gap:6px;font-size:0.8rem;color:var(--text-muted);cursor:pointer;padding:4px 8px;border-radius:var(--radius-sm);transition:var(--transition)}.btn-icon-text:hover{color:var(--accent);background:var(--bg-input)}.key-input-wrap{position:relative;display:flex;align-items:center}.key-input-wrap .form-control{padding-right:86px}.key-addon-btn{position:absolute;right:8px;padding:6px 10px;font-size:0.75rem;font-weight:600;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);transition:var(--transition)}.key-addon-btn:hover{color:var(--accent);border-color:var(--accent)}.strength-bar-wrap{height:4px;background:var(--bg-input);border-radius:2px;overflow:hidden;margin-top:6px}.strength-bar{height:100%;width:0;transition:all 0.3s ease}.strength-label{font-size:0.75rem;margin-top:4px;color:var(--text-muted);display:flex;justify-content:space-between}.advanced-toggle{display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-size:0.88rem;font-weight:600;cursor:pointer;margin:10px 0 16px;user-select:none}.advanced-panel{display:none;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-md);padding:18px;margin-bottom:20px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}.advanced-panel.show{display:grid}.action-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin:20px 0}.btn-primary{flex:1;min-width:200px;display:flex;align-items:center;justify-content:center;gap:10px;padding:14px 24px;border-radius:var(--radius-md);background:linear-gradient(135deg,var(--accent),#1d4ed8);color:#ffffff;font-size:1rem;font-weight:700;box-shadow:0 6px 20px var(--accent-glow);transition:var(--transition)}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 8px 24px var(--accent-glow)}.btn-primary:disabled{opacity:0.6;cursor:not-allowed;transform:none}.btn-secondary{padding:14px 18px;border-radius:var(--radius-md);background:var(--bg-input);border:1px solid var(--border);color:var(--text-secondary);font-weight:600;font-size:0.92rem;display:inline-flex;align-items:center;gap:8px;transition:var(--transition)}.btn-secondary:hover{color:var(--text-primary);border-color:var(--border-focus)}.validation-msg{font-size:0.82rem;color:var(--accent-rose);display:none;margin-top:4px}.validation-msg.active{display:block}.output-box{margin-top:24px;border-top:1px solid var(--border);padding-top:20px}.output-top-bar{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;flex-wrap:wrap;gap:10px}.output-title{font-size:0.95rem;font-weight:700;display:flex;align-items:center;gap:8px}.output-badge{font-size:0.75rem;padding:3px 8px;border-radius:999px;background:rgba(16,185,129,0.15);color:var(--accent-green);font-weight:600}.output-actions{display:flex;align-items:center;gap:8px}.action-btn{padding:8px 12px;font-size:0.82rem;font-weight:600;border-radius:var(--radius-sm);background:var(--bg-input);border:1px solid var(--border);color:var(--text-secondary);display:inline-flex;align-items:center;gap:6px;transition:var(--transition)}.action-btn:hover{color:var(--accent);border-color:var(--border-focus)}.output-textarea{min-height:140px;background:var(--bg-input);font-family:monospace;font-size:0.92rem;color:var(--accent-green)}.output-meta{display:flex;align-items:center;gap:18px;font-size:0.8rem;color:var(--text-muted);margin-top:8px;flex-wrap:wrap}.tools-curated-section{padding:30px 0 50px}.section-head{text-align:center;max-width:720px;margin:0 auto 36px}.section-tag{font-size:0.8rem;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:0.06em;margin-bottom:8px;display:block}.section-heading{font-family:var(--font-heading);font-size: clamp(1.6rem,3vw,2.3rem);font-weight:700;margin-bottom:12px}.section-desc{color:var(--text-secondary);font-size:0.95rem}.tools-cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}.tool-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:16px;display:flex;align-items:center;gap:12px;transition:var(--transition)}.tool-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--card-shadow)}.tool-icon{width:36px;height:36px;border-radius:var(--radius-sm);background:rgba(59,130,246,0.1);display:flex;align-items:center;justify-content:center;color:var(--accent);flex-shrink:0}.tool-info{overflow:hidden}.tool-name{font-size:0.9rem;font-weight:600;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tool-sub{font-size:0.75rem;color:var(--text-muted)}.features-section{padding:50px 0;background:rgba(17,24,39,0.4);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}.feature-box{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:26px;transition:var(--transition)}.feature-box:hover{border-color:var(--border-focus);transform:translateY(-3px)}.feature-icon-bubble{width:48px;height:48px;border-radius:var(--radius-md);background:rgba(59,130,246,0.15);color:var(--accent);display:flex;align-items:center;justify-content:center;margin-bottom:18px}.feature-title{font-size:1.15rem;font-weight:700;margin-bottom:10px;font-family:var(--font-heading)}.feature-desc{color:var(--text-secondary);font-size:0.9rem;line-height:1.6}.how-it-works-section{padding:60px 0}.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px;position:relative}.step-box{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;position:relative}.step-number{position:absolute;top:20px;right:20px;font-family:var(--font-heading);font-size:2.2rem;font-weight:800;color:var(--border);line-height:1}.step-title{font-size:1.15rem;font-weight:700;margin-bottom:10px;font-family:var(--font-heading)}.step-desc{color:var(--text-secondary);font-size:0.9rem}.seo-article-section{padding:50px 0;border-top:1px solid var(--border)}.seo-article-wrap{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:36px;max-width:960px;margin:0 auto}.seo-article-wrap h2{font-family:var(--font-heading);font-size:1.5rem;margin-bottom:16px;color:var(--text-primary)}.seo-article-wrap h3{font-family:var(--font-heading);font-size:1.15rem;margin:20px 0 10px;color:var(--text-primary)}.seo-article-wrap p{color:var(--text-secondary);font-size:0.95rem;line-height:1.75;margin-bottom:16px}.seo-article-wrap ul{padding-left:22px;color:var(--text-secondary);margin-bottom:18px;font-size:0.92rem}.seo-article-wrap li{margin-bottom:8px}.seo-code-box{background:var(--bg-input);padding:14px;border-radius:var(--radius-sm);font-family:monospace;font-size:0.85rem;color:var(--accent-green);border:1px solid var(--border);margin:14px 0 18px;overflow-x:auto}.faq-section{padding:60px 0}.faq-list{max-width:840px;margin:0 auto;display:flex;flex-direction:column;gap:14px}.faq-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;transition:var(--transition)}.faq-question{width:100%;padding:18px 22px;text-align:left;display:flex;align-items:center;justify-content:space-between;font-weight:600;font-size:1rem;color:var(--text-primary)}.faq-chevron{transition:transform 0.25s ease;color:var(--accent)}.faq-item.active .faq-chevron{transform:rotate(180deg)}.faq-answer{padding:0 22px 20px;color:var(--text-secondary);font-size:0.92rem;line-height:1.65;display:none}.faq-item.active .faq-answer{display:block}.cta-banner{padding:60px 0;text-align:center;background:radial-gradient(ellipse at center,rgba(59,130,246,0.15) 0%,rgba(9,13,22,0) 70%)}.cta-card{background:linear-gradient(135deg,rgba(21,30,50,0.9),rgba(15,23,42,0.95));border:1px solid var(--border);border-radius:var(--radius-lg);padding:44px 28px;max-width:880px;margin:0 auto;box-shadow:var(--card-shadow)}.cta-title{font-family:var(--font-heading);font-size:clamp(1.8rem,3vw,2.5rem);font-weight:800;margin-bottom:14px}.cta-text{color:var(--text-secondary);max-width:600px;margin:0 auto 28px;font-size:1rem}.cta-buttons{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap}.site-footer{background:var(--bg-secondary);border-top:1px solid var(--border);padding:60px 0 24px}.footer-cols{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:36px;margin-bottom:48px}.footer-col h4{font-family:var(--font-heading);font-size:1rem;font-weight:700;margin-bottom:16px;color:var(--text-primary)}.footer-links{list-style:none;display:flex;flex-direction:column;gap:10px}.footer-links a{color:var(--text-secondary);font-size:0.86rem}.footer-links a:hover{color:var(--accent)}.footer-multi-links{display:grid;grid-template-columns:1fr 1fr;gap:8px}.footer-bottom{border-top:1px solid var(--border);padding-top:24px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;font-size:0.84rem;color:var(--text-muted)}.cookie-modal{position:fixed;bottom:20px;left:20px;right:20px;max-width:540px;background:var(--bg-card);border:1px solid var(--border);box-shadow:var(--card-shadow);border-radius:var(--radius-md);padding:18px 22px;z-index:9999;display:none;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.cookie-modal.show{display:flex}.cookie-text{font-size:0.84rem;color:var(--text-secondary);flex:1;min-width:240px}.cookie-btns{display:flex;align-items:center;gap:10px}.toast{position:fixed;bottom:24px;right:24px;background:#10b981;color:#ffffff;padding:12px 20px;border-radius:var(--radius-md);font-weight:600;font-size:0.88rem;box-shadow:0 10px 25px rgba(0,0,0,0.3);z-index:10000;opacity:0;transform:translateY(12px);transition:all 0.25s ease;pointer-events:none}.toast.show{opacity:1;transform:translateY(0)}@media (max-width:992px){.nav-menu{display:none}.mobile-menu-btn{display:flex}.footer-cols{grid-template-columns:1fr 1fr}}@media (max-width:640px){.footer-cols{grid-template-columns:1fr}.action-row{flex-direction:column}.btn-primary{width:100%}.footer-bottom{flex-direction:column;text-align:center}.mode-tabs{font-size:0.85rem}}