:root{--primary:#125676;--accent:#ee982a;--ink:#153247;--muted:#577080;--bg:#f4f8fa;--surface:#fff;--line:#dfe9ef;--soft:#e8f4f7;--shadow:0 10px 35px #143d5110;color-scheme:light;font-family:Arial,Tahoma,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);line-height:1.75;font-size:16px}body.dark{--ink:#e9f2f7;--muted:#abc1ce;--bg:#0c1c28;--surface:#142b3a;--line:#2a4556;--soft:#1c3849;--shadow:0 10px 35px #0002;color-scheme:dark}a{color:var(--primary);text-decoration:none}body.dark a{color:#70d1e3}a:hover{text-decoration:underline}button,input,select,textarea{font:inherit}button,.button{cursor:pointer;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:10px;padding:10px 18px;display:inline-flex;align-items:center;justify-content:center;gap:8px;line-height:1.5;min-height:44px;text-decoration:none}button:hover,.button:hover{border-color:var(--primary);text-decoration:none}button:disabled{opacity:.5;cursor:wait}.primary{background:var(--primary);color:#fff!important;border-color:var(--primary)}.danger{color:#ae2424!important;border-color:#df9b9b}.accent{background:var(--accent);border-color:var(--accent);color:#142e42}input,select,textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:9px;background:var(--surface);color:var(--ink);min-height:46px}textarea{resize:vertical;line-height:1.7}input[type=checkbox]{width:20px;min-height:20px;accent-color:var(--primary)}input[type=color]{padding:5px}label{display:block;font-weight:600}label input,label select,label textarea{margin-top:6px}small,.muted{color:var(--muted);font-size:14px}.wrap{max-width:1240px;margin:auto;padding:0 28px}.skip{position:absolute;top:-100px;background:white;z-index:99}.skip:focus{top:0}:focus-visible{outline:3px solid var(--accent);outline-offset:3px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(28px,3.6vw,44px);line-height:1.4;letter-spacing:-.6px}h2{font-size:25px;line-height:1.5}h3{font-size:18px;line-height:1.6}header{background:var(--surface);border-bottom:1px solid var(--line);position:relative;z-index:10}.topline{background:#103951;color:#ecf6fa;font-size:13px;padding:5px 0}.topline .wrap{display:flex;justify-content:space-between;gap:12px}.header-main{display:flex;align-items:center;justify-content:space-between;gap:25px;min-height:90px}.brand{display:flex;align-items:center;gap:10px;color:var(--ink)!important}.brand img{width:66px;height:58px;object-fit:contain;background:#fff;border-radius:8px}.brand strong{font-size:32px;line-height:1.1}.brand small{display:block;font-size:12px;margin-top:4px}.header-actions{display:flex;gap:10px}.desktop-nav{display:flex;align-items:center;gap:24px}.desktop-nav a{font-size:15px;color:var(--ink);font-weight:600}.nav-menu{position:relative}.nav-trigger{padding:9px;background:none;border:0}.mega{position:absolute;top:100%;inset-inline-end:0;width:620px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:14px;padding:22px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.mega[hidden]{display:none}.menu-group a{display:block;font-size:14px;padding:5px}.menu-group strong{display:block;margin-bottom:8px}.mobile-toggle{display:none}.hero{padding:42px 0 28px;display:grid;grid-template-columns:1.8fr 1fr;gap:36px;align-items:center}.eyebrow{font-size:13px;color:var(--primary);font-weight:bold;display:flex;align-items:center;gap:9px;margin-bottom:12px}.eyebrow:before{content:'';width:24px;height:3px;background:var(--accent)}.hero h1{margin-bottom:12px}.hero h1 span{color:var(--primary)}.hero p{color:var(--muted);max-width:620px}.searchbox{display:flex;background:var(--surface);padding:7px;border-radius:14px;border:1px solid var(--line);box-shadow:var(--shadow);gap:8px}.searchbox input{border:0;background:none;outline-offset:0;min-width:0}.searchbox button{padding:12px 26px}.hero-aside{border-right:1px solid var(--line);padding:20px 30px;display:flex;gap:20px;align-items:center}.hero-aside .hero-mark{width:96px;height:96px;object-fit:contain;border-radius:20px;background:white}.hero-aside strong{font-size:29px;color:var(--primary)}.hero-aside p{font-size:14px;margin:0}.section-head{display:flex;justify-content:space-between;align-items:center;gap:15px;margin:28px 0 16px}.section-head h2{margin:0}.section-head a{font-size:14px;font-weight:bold}.popular{display:flex;overflow:auto;gap:12px;padding-bottom:10px;scrollbar-width:thin}.popular a{background:var(--surface);border:1px solid var(--line);padding:10px 18px;white-space:nowrap;border-radius:9px;font-size:14px;color:var(--ink);font-weight:600}.popular a span{color:var(--primary);margin-inline-end:8px}.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.tool-card{background:var(--surface);border:1px solid var(--line);padding:24px;border-radius:15px;display:block;color:var(--ink)!important;transition:transform .15s,box-shadow .15s;position:relative;overflow:hidden;min-height:194px}.tool-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);text-decoration:none;border-color:#89b5c6}.tool-card .icon{width:46px;height:46px;display:grid;place-items:center;border-radius:12px;background:var(--soft);color:var(--primary);font-size:25px;margin-bottom:17px}.tool-card h3{margin-bottom:7px}.tool-card p{font-size:14px;color:var(--muted);line-height:1.7;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.tool-card .tag{position:absolute;inset-inline-end:22px;top:24px;font-size:12px;color:var(--muted)}.tool-card.featured{background:var(--primary);color:#fff!important;border:0}.tool-card.featured p,.tool-card.featured .tag{color:#dfedf3}.tool-card.featured .icon{background:#ffffff20;color:#fff}.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.category-card{background:var(--surface);border:1px solid var(--line);padding:20px;border-radius:12px;color:var(--ink)!important}.category-card strong{display:block;margin-bottom:4px}.category-card small{display:block}.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.article-card{border-top:3px solid var(--accent);padding:24px;background:var(--surface);border-radius:4px 4px 14px 14px;color:var(--ink)!important}.article-card h3{margin:10px 0}.article-card p{font-size:14px;color:var(--muted)}.site-footer{border-top:1px solid var(--line);margin-top:55px;padding:30px 0;background:var(--surface)}.footer-inner{display:flex;justify-content:space-between;gap:25px;align-items:center}.footer-links{display:flex;flex-wrap:wrap;gap:10px 20px;font-size:14px}.footer-bottom{font-size:13px;color:var(--muted);margin-top:20px}.breadcrumbs{color:var(--muted);font-size:14px;margin:28px 0 16px}.page-heading{margin-bottom:25px}.page-heading p{max-width:800px;color:var(--muted)}.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:25px}.panel{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:28px}.tool-form .fields,.fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-bottom:20px}.tool-form>label{margin-bottom:18px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}.result{background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:22px;margin:22px 0;overflow-wrap:anywhere}.result-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.result-grid dt{font-size:14px;color:var(--muted)}.result-grid dd{margin:4px 0;font-size:23px;font-weight:bold;white-space:pre-wrap}.output-text{white-space:pre-wrap;overflow-wrap:anywhere;font:inherit;max-height:550px;overflow:auto;direction:plaintext}.notice{color:var(--muted);font-size:14px;margin:12px 0}.notice:empty{display:none}.error{color:#bb3232;background:#fff0f0;padding:12px;border-radius:8px}.empty{padding:38px;text-align:center;background:var(--surface);border:1px dashed var(--line);border-radius:12px}.sidebar h3{font-size:17px}.sidebar p,.sidebar li{font-size:14px;color:var(--muted)}.sidebar ul{padding-inline-start:20px}.sidebar a{display:block;padding:10px 0;border-bottom:1px solid var(--line)}.prose{max-width:850px;line-height:2}.prose h2{margin-top:30px}.prose img{max-width:100%;height:auto}.prose table{width:100%;border-collapse:collapse;display:block;overflow:auto}.prose td,.prose th{border:1px solid var(--line);padding:10px}.prose pre{white-space:pre-wrap;direction:ltr;background:var(--soft);padding:18px}.filters{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}.filters button[aria-pressed=true]{background:var(--primary);color:#fff}.pagination{display:flex;justify-content:center;align-items:center;gap:15px;margin:30px 0}.file-drop{border:2px dashed #9bbdcb;background:var(--soft);padding:28px;text-align:center;border-radius:12px}.file-drop input{background:var(--surface);margin:16px auto;max-width:440px}.file-drop small{display:block}.image-preview{max-width:100%;max-height:480px;object-fit:contain;display:block;margin:auto auto 20px}.result canvas{max-width:100%;height:auto}.scanner-video{max-width:100%;width:500px}.drive-frame{width:100%;height:75vh;min-height:420px;border:1px solid var(--line);border-radius:12px}.video-frame{width:100%;aspect-ratio:16/9;border:0;border-radius:12px}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);text-align:center;gap:4px}.calendar-grid span,.calendar-grid strong{padding:9px;border:1px solid var(--line);font-size:14px}.timer-display{text-align:center;font:700 clamp(36px,9vw,76px) Arial;direction:ltr;margin:25px 0;font-variant-numeric:tabular-nums}.ad-slot{margin:22px 0;min-height:120px;overflow:hidden}.ad-slot:empty{display:none}.demo-banner{background:#fff1d8;color:#684715;padding:8px;text-align:center;font-size:14px}.admin-shell{display:grid;grid-template-columns:220px minmax(0,1fr);gap:24px;margin-top:30px}.admin-nav{position:sticky;top:20px;align-self:start}.admin-nav button{display:block;width:100%;text-align:right;justify-content:flex-start;margin-bottom:6px}.admin-nav button.active{background:var(--primary);color:#fff}.admin-top{display:flex;align-items:center;justify-content:space-between;gap:15px}.admin-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.stat{background:var(--soft);padding:20px;border-radius:10px}.stat b{display:block;font-size:28px}.table-scroll{overflow:auto;width:100%}table{border-collapse:collapse;width:100%;font-size:14px}th,td{border-bottom:1px solid var(--line);padding:12px;text-align:right;vertical-align:top}th{color:var(--muted);background:var(--soft)}td button{padding:6px 10px;min-height:34px;font-size:13px}.checks{display:flex;flex-wrap:wrap;gap:15px;margin:20px 0}.checks label{display:flex;align-items:center;gap:8px;font-size:14px}.checks input{margin:0}.editor{border:1px solid var(--line);border-radius:9px;min-height:240px;padding:18px;background:var(--surface)}.editor:focus{outline:2px solid var(--accent)}.toolbar{display:flex;gap:5px;flex-wrap:wrap;margin-bottom:10px}.toolbar button{font-size:13px;min-height:36px;padding:6px 12px}.bulk-table input{min-width:130px}.bulk-table select{min-width:150px}.login-card{max-width:500px;margin:65px auto;text-align:center}.login-card img{width:80px}.login-card h1{font-size:30px}.admin-form{border-top:1px solid var(--line);margin-top:24px;padding-top:24px}.preview-box{border:1px dashed var(--primary);padding:25px;margin:20px 0;background:var(--bg)}[hidden]{display:none!important}.loading{padding:35px;text-align:center;color:var(--muted)}.admin-note{padding:14px;border-right:3px solid var(--accent);background:var(--soft);font-size:14px;margin:18px 0}footer a{color:var(--muted)}body.dark .eyebrow,body.dark .hero h1 span,body.dark .hero-aside strong{color:#74d0e0}
@media(max-width:1000px){.desktop-nav{gap:12px}.desktop-nav>a:nth-of-type(n+3){display:none}.hero{grid-template-columns:1fr}.hero-aside{display:none}.content-layout{grid-template-columns:1fr}.sidebar{display:none}.category-grid{grid-template-columns:repeat(2,1fr)}.admin-shell{grid-template-columns:180px minmax(0,1fr)}}
@media(max-width:700px){.wrap{padding:0 17px}.topline .top-note{display:none}.header-main{min-height:78px;gap:10px}.brand img{width:46px;height:48px}.brand strong{font-size:27px}.brand small{font-size:10px}.header-actions button{padding:8px 11px}.mobile-toggle{display:inline-flex}.desktop-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--surface);padding:15px;border-bottom:1px solid var(--line)}.desktop-nav.open{display:block}.desktop-nav>a{display:block!important;padding:9px}.mega{position:static;width:100%;grid-template-columns:repeat(2,1fr);box-shadow:none;padding:10px}.hero{padding-top:27px;padding-bottom:12px}.hero h1{font-size:32px}.hero p{font-size:15px}.searchbox button{padding:10px 18px}.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.tool-card{padding:18px;min-height:205px}.tool-card .tag{display:none}.tool-card h3{font-size:16px}.tool-card p{font-size:13px}.tool-card .icon{width:39px;height:39px;font-size:23px}.article-grid{grid-template-columns:1fr}.section-head h2{font-size:22px}.panel{padding:20px}.fields,.tool-form .fields{grid-template-columns:1fr}.result-grid{grid-template-columns:1fr}.footer-inner{display:block}.footer-links{margin-top:20px}.admin-shell{display:block}.admin-nav{position:static;display:flex;overflow:auto;gap:5px;margin-bottom:18px}.admin-nav button{white-space:nowrap;width:auto;font-size:14px}.admin-stats{grid-template-columns:1fr}.admin-top{align-items:flex-start}.admin-top h1{font-size:24px}.calendar-grid span,.calendar-grid strong{font-size:12px;padding:6px}.category-card{padding:16px}.category-card strong{font-size:15px}.searchbox input{font-size:14px}.result{padding:15px}.actions button{flex-grow:1}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media print{header,footer,.sidebar,.breadcrumbs,.tool-form,.actions,.print-button,.demo-banner,.ad-slot{display:none!important}body{background:#fff;color:#000}.wrap{padding:0;max-width:none}.content-layout{display:block}.panel,.result{border:0;box-shadow:none}.result button{display:none}.calendar-grid{break-inside:avoid}@page{size:A4;margin:15mm}}