:root{--primary:#3b82f6;--secondary:#1e40af;--gray-50:#f9fafb;--gray-100:#f3f4f6;--gray-200:#e5e7eb;--gray-300:#d1d5db;--gray-500:#6b7280;--gray-600:#4b5563;--gray-700:#374151;--gray-800:#1f2937;--white:#ffffff;--green:#22c55e;--purple:#a855f7;--orange:#f97316;--red:#ef4444;--indigo:#6366f1;--pink:#ec4899;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;min-height:100vh;color:var(--gray-800);background:linear-gradient(135deg,#eff6ff 0%,#e0e7ff 100%);line-height:1.5}::-webkit-scrollbar{width:15px;height:15px}::-webkit-scrollbar-thumb{border:4px solid transparent;border-radius:10px;background:rgba(0,0,0,0.4);background-clip:padding-box}::-webkit-scrollbar-thumb:hover{border-color:rgba(0,0,0,0.4)}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{border:0;cursor:pointer}svg{display:block}.site-header{background:var(--white);box-shadow:0 10px 15px -3px rgba(0,0,0,0.1),0 4px 6px -4px rgba(0,0,0,0.1)}.container{width:100%;max-width:1280px;margin:0 auto;padding:0 1rem}.nav{display:flex;align-items:center;justify-content:space-between;height:4rem}.brand{color:var(--primary);font-size:1.5rem;font-weight:700;line-height:2rem}.nav-links{display:none;align-items:center;gap:2rem}.nav-link{color:var(--gray-700);padding:0.5rem 0.75rem;font-size:0.875rem;font-weight:500;transition:color 0.15s ease}.nav-link:hover,.nav-link.active{color:var(--primary)}.mobile-menu-button{color:var(--gray-700);background:transparent;padding:0.5rem}.mobile-menu{display:none;background:var(--white);box-shadow:0 10px 15px -3px rgba(0,0,0,0.1)}.mobile-menu.is-open{display:block}.mobile-menu-inner{padding:0.5rem 1rem}.mobile-menu .nav-link{display:block}.hero{position:relative;padding:3rem 1rem;text-align:center}.hero-inner{max-width:56rem;margin:0 auto}.hero h1{margin:0 0 1rem;color:var(--gray-800);font-size:1.5rem;font-weight:700;line-height:1.25}.hero p{max-width:42rem;margin:0 auto;color:var(--gray-600);font-size:1.125rem;line-height:1.75rem}.editor-band{padding:1rem 0;background:var(--white)}.section{padding:4rem 0}.section-white{background:var(--white)}.section-gray{background:var(--gray-50)}.section-gradient{background:linear-gradient(90deg,#2563eb 0%,#4338ca 100%);color:var(--white)}.section-center{max-width:56rem;margin:0 auto;text-align:center}.section-title{margin:0 0 1rem;color:var(--gray-800);font-size:1.875rem;font-weight:700;line-height:2.25rem}.section-lead{max-width:42rem;margin:0 auto;color:var(--gray-600);font-size:1.125rem;line-height:1.75rem}.text-white .section-title,.text-white .section-lead{color:var(--white)}.feature-grid{display:grid;gap:2rem;margin-top:4rem}.feature-card{padding:1.5rem;border-radius:0.75rem;text-align:center;transition:transform 0.15s ease,box-shadow 0.15s ease}.feature-card:hover{transform:translateY(-0.5rem);box-shadow:0 10px 15px -3px rgba(0,0,0,0.1),0 4px 6px -4px rgba(0,0,0,0.1)}.feature-blue{background:linear-gradient(135deg,#eff6ff 0%,#dbeafe 100%)}.feature-green{background:linear-gradient(135deg,#f0fdf4 0%,#dcfce7 100%)}.feature-purple{background:linear-gradient(135deg,#faf5ff 0%,#f3e8ff 100%)}.feature-orange{background:linear-gradient(135deg,#fff7ed 0%,#ffedd5 100%)}.icon-circle{display:flex;align-items:center;justify-content:center;width:4rem;height:4rem;margin:0 auto 1rem;color:var(--white);border-radius:9999px}.icon-primary{background:var(--primary)}.icon-green{background:var(--green)}.icon-purple{background:var(--purple)}.icon-orange{background:var(--orange)}.icon-indigo{background:var(--indigo)}.icon-pink{background:var(--pink)}.feature-card h3,.usage-card h3,.faq-item h3,.step h3{margin:0 0 0.5rem;color:var(--gray-800);font-size:1.25rem;font-weight:600;line-height:1.75rem}.feature-card p,.usage-card p,.faq-item p,.step p,.single-card p,.single-card li{margin:0;color:var(--gray-600)}.usage-grid{display:grid;gap:2rem;margin-top:4rem}.usage-card,.faq-item,.single-card{background:var(--white);border-radius:0.75rem;box-shadow:0 10px 15px -3px rgba(0,0,0,0.1),0 4px 6px -4px rgba(0,0,0,0.1)}.usage-card{padding:2rem;transition:box-shadow 0.15s ease}.usage-card:hover{box-shadow:0 20px 25px -5px rgba(0,0,0,0.1),0 8px 10px -6px rgba(0,0,0,0.1)}.usage-heading{display:flex;align-items:center;margin-bottom:1rem}.mini-icon{display:flex;align-items:center;justify-content:center;flex:0 0 auto;width:3rem;height:3rem;margin-right:1rem;border-radius:0.5rem}.mini-blue{color:var(--primary);background:#dbeafe}.mini-green{color:#16a34a;background:#dcfce7}.mini-purple{color:#9333ea;background:#f3e8ff}.mini-orange{color:#ea580c;background:#ffedd5}.mini-indigo{color:#4f46e5;background:#e0e7ff}.mini-pink{color:#db2777;background:#fce7f3}.steps{display:grid;gap:2rem;max-width:56rem;margin:4rem auto 0}.step{display:flex;align-items:flex-start;gap:1.5rem}.step-number{display:flex;align-items:center;justify-content:center;flex:0 0 auto;width:3rem;height:3rem;color:var(--white);background:var(--primary);border-radius:9999px;font-size:1.125rem;font-weight:700}.faq-list{display:grid;gap:1.5rem;max-width:56rem;margin:4rem auto 0}.faq-item{padding:1.5rem;box-shadow:0 1px 2px rgba(0,0,0,0.05)}.cta-title{margin:0 0 1rem;font-size:1.875rem;font-weight:700;line-height:2.25rem}.cta-text{margin:0 0 2rem;font-size:1.25rem;line-height:1.75rem}.btn,.tool-button{display:inline-flex;align-items:center;justify-content:center;min-height:2.5rem;padding:0.5rem 1rem;border-radius:0.25rem;color:var(--white);font-weight:500;transition:background-color 0.15s ease,transform 0.15s ease,box-shadow 0.15s ease}.btn-lg{min-height:3.5rem;padding:1rem 2rem;border-radius:0.5rem;font-size:1.125rem;font-weight:600}.btn-white{color:#2563eb;background:var(--white)}.btn-white:hover{background:var(--gray-100);transform:scale(1.05)}.btn-blue{background:#3b82f6}.btn-blue:hover{background:#2563eb}.btn-green{background:#22c55e}.btn-green:hover{background:#16a34a}.btn-purple{background:#a855f7}.btn-purple:hover{background:#9333ea}.btn-orange{background:#f97316}.btn-orange:hover{background:#ea580c}.btn-red{background:#ef4444}.btn-red:hover{background:#dc2626}.site-footer{padding:3rem 0;color:var(--white);background:var(--gray-800)}.footer-grid{display:grid;gap:2rem}.footer-brand{margin:0 0 1rem;font-size:1.5rem;font-weight:700;line-height:2rem}.footer-text{max-width:28rem;margin:0 0 1.5rem;color:var(--gray-300)}.footer-title{margin:0 0 1rem;font-size:1.125rem;font-weight:600;line-height:1.75rem}.footer-list{display:grid;gap:0.5rem;margin:0;padding:0;list-style:none}.footer-list a,.footer-bottom,.footer-bottom a{color:var(--gray-300)}.footer-list a:hover,.footer-bottom a:hover{color:var(--white)}.footer-bottom{display:flex;flex-direction:column;align-items:center;justify-content:space-between;gap:1rem;margin-top:3rem;padding-top:2rem;border-top:1px solid #374151;font-size:0.875rem}.footer-legal{display:flex;flex-wrap:wrap;justify-content:center;gap:1rem 1.5rem}.tool-box{width:100%}.tool-container{width:100%}.multi-cat-bar,.multi-doc-bar{display:flex;align-items:stretch;justify-content:space-between;gap:0.75rem;margin-bottom:0.75rem}.multi-cat-bar{padding:0.75rem;border:1px solid var(--gray-200);border-radius:0.5rem;background:#f8fafc}.cat-tabs,.doc-tabs{display:flex;flex:1 1 auto;gap:0.5rem;min-width:0;padding-bottom:0.15rem;overflow-x:auto}.cat-tab,.cat-action,.doc-tab,.doc-action{min-height:2.5rem;border:1px solid var(--gray-300);border-radius:0.375rem;background:var(--white);color:var(--gray-700);font-size:0.875rem;font-weight:500;transition:background-color 0.15s ease,border-color 0.15s ease,color 0.15s ease,box-shadow 0.15s ease}.cat-tab,.doc-tab{flex:0 0 auto;max-width:11rem;padding:0.5rem 0.85rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cat-tab:hover,.cat-action:hover,.doc-tab:hover,.doc-action:hover{background:var(--gray-100)}.cat-tab.dragging,.doc-tab.dragging{opacity:0.55}.cat-tab.active,.doc-tab.active{border-color:var(--primary);color:var(--primary);background:#eff6ff;box-shadow:0 0 0 2px rgba(59,130,246,0.12)}.cat-tab.active{color:#1d4ed8;background:#dbeafe}.cat-actions,.doc-actions{display:flex;flex:0 0 auto;gap:0.5rem}.cat-action,.doc-action{padding:0.5rem 0.85rem}.cat-action.icon-action{min-width:2.5rem;padding-left:0.65rem;padding-right:0.65rem;font-size:1rem}.cat-action.danger,.doc-action.danger{color:#dc2626;border-color:#fecaca}.cat-action.danger:hover,.doc-action.danger:hover{background:#fef2f2}.editor-panel{border:1px solid var(--gray-300);border-radius:0.5rem;overflow:hidden;background:var(--white)}.toolbar{display:flex;flex-wrap:wrap;gap:0.25rem;padding:0.55rem;border-bottom:1px solid var(--gray-200);background:#f8fafc}.toolbar button,.toolbar select,.toolbar label{min-height:2rem;border:1px solid var(--gray-300);border-radius:0.25rem;background:var(--white);color:var(--gray-700)}.toolbar button{min-width:2rem;padding:0.25rem 0.5rem}.toolbar button:hover,.toolbar select:hover,.toolbar label:hover{background:var(--gray-100)}.toolbar select{padding:0.25rem 0.5rem}.toolbar label{display:inline-flex;align-items:center;gap:0.35rem;padding:0.25rem 0.5rem;font-size:0.875rem}.toolbar input[type="color"]{width:1.5rem;height:1.5rem;padding:0;border:0;background:transparent}.rich-editor{min-height:500px;max-height:800px;padding:1rem;overflow:auto;outline:0}.rich-editor:empty::before,.plain-editor:placeholder-shown,.code-editor:placeholder-shown,.markdown-editor:placeholder-shown{color:#9ca3af}.rich-editor:empty::before{content:attr(data-placeholder)}.rich-editor p,.rich-editor ul,.rich-editor ol,.rich-editor blockquote{margin-top:0}.rich-editor img{max-width:100%;height:auto}.btn-box{display:flex;flex-wrap:wrap;gap:0.75rem;margin-top:1rem}.plain-editor,.markdown-editor,.code-editor{display:block;width:100%;min-height:600px;padding:1rem;border:1px solid var(--gray-300);border-radius:0.5rem;color:var(--gray-800);background:var(--white);outline:none;resize:vertical}.plain-editor:focus,.markdown-editor:focus,.code-editor:focus,.control-input:focus{border-color:#3b82f6;box-shadow:0 0 0 2px rgba(59,130,246,0.25)}.tool-stats{display:flex;flex-wrap:wrap;gap:0.75rem;margin-top:0.75rem;color:var(--gray-500);font-size:0.875rem}.split-editor{display:grid;gap:1rem}.preview-panel{min-height:600px;padding:1rem;border:1px solid var(--gray-300);border-radius:0.5rem;overflow:auto;background:var(--white)}.preview-panel h1,.preview-panel h2,.preview-panel h3{margin-top:0}.preview-panel pre{padding:1rem;border-radius:0.5rem;overflow:auto;color:#e5e7eb;background:#111827}.preview-panel code{padding:0.15rem 0.3rem;border-radius:0.25rem;background:var(--gray-100)}.preview-panel pre code{padding:0;background:transparent}.control-row{display:flex;flex-wrap:wrap;gap:0.75rem;margin-bottom:1rem}.control-input{min-height:2.5rem;padding:0.5rem 0.75rem;border:1px solid var(--gray-300);border-radius:0.25rem;background:var(--white);color:var(--gray-700)}.code-editor{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono",monospace;tab-size:2}.code-editor.dark{color:#e5e7eb;background:#111827;border-color:#374151}.code-preview-frame{width:100%;min-height:600px;border:1px solid var(--gray-300);border-radius:0.5rem;background:var(--white)}.toast{position:fixed;right:1rem;bottom:1rem;z-index:20;max-width:min(24rem,calc(100vw - 2rem));padding:0.75rem 1rem;border-radius:0.5rem;color:var(--white);background:rgba(31,41,55,0.95);box-shadow:0 20px 25px -5px rgba(0,0,0,0.1),0 8px 10px -6px rgba(0,0,0,0.1);transform:translateY(1rem);opacity:0;transition:opacity 0.2s ease,transform 0.2s ease}.toast.show{transform:translateY(0);opacity:1}.single-main{min-height:100vh;padding:3rem 0;background:linear-gradient(135deg,#eff6ff 0%,#e0e7ff 100%)}.single-heading{max-width:56rem;margin:0 auto 3rem;text-align:center}.single-heading h1{margin:0 0 1rem;color:var(--gray-800);font-size:1.875rem;font-weight:700;line-height:2.25rem}.single-heading p{max-width:42rem;margin:0 auto;color:var(--gray-600);font-size:1.125rem}.single-stack{display:grid;gap:2.5rem}.single-card{padding:2rem}.single-card h2{margin:0 0 1.5rem;color:var(--gray-800);font-size:1.5rem;font-weight:700;line-height:2rem}.single-card h3{margin:1.25rem 0 0.5rem;color:var(--gray-800);font-size:1.125rem;font-weight:600}.single-card p + p,.single-card ul + p,.single-card p + ul{margin-top:1rem}.single-card ul{margin:1rem 0 0;padding-left:1.5rem}.single-card a{color:var(--primary)}.single-card a:hover{text-decoration:underline}.single-grid{display:grid;gap:2rem}.single-mini{padding:1.5rem;border-radius:0.5rem}.single-mini h3{margin-top:0}.bg-blue-soft{background:#eff6ff}.bg-green-soft{background:#f0fdf4}.bg-purple-soft{background:#faf5ff}.bg-orange-soft{background:#fff7ed}@media (min-width:640px){.container{padding:0 1.5rem}}@media (min-width:768px){.nav-links{display:flex}.mobile-menu-button,.mobile-menu{display:none !important}.hero h1{font-size:1.875rem;line-height:2.25rem}.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.usage-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.footer-about{grid-column:span 2 / span 2}.footer-bottom{flex-direction:row}.split-editor{grid-template-columns:repeat(2,minmax(0,1fr))}.single-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (min-width:1024px){.container{padding:0 2rem}.feature-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.usage-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (max-width:520px){.brand{font-size:1.25rem}.hero,.section,.single-main{padding-left:0;padding-right:0}.section{padding-top:3rem;padding-bottom:3rem}.feature-grid,.usage-grid,.steps,.faq-list{margin-top:2.5rem}.usage-card,.single-card{padding:1.5rem}.step{gap:1rem}.btn-box{gap:0.5rem}.multi-cat-bar,.multi-doc-bar{flex-direction:column}.cat-actions,.doc-actions{display:grid}.cat-actions{grid-template-columns:repeat(5,minmax(0,1fr))}.doc-actions{grid-template-columns:repeat(3,minmax(0,1fr))}.cat-action,.doc-action{padding-left:0.5rem;padding-right:0.5rem;white-space:nowrap}.tool-button{flex:1 1 calc(50% - 0.5rem);padding-left:0.75rem;padding-right:0.75rem;white-space:nowrap}}