:root{--bg:#f5f7fd;--ink:#152647;--muted:#60718d;--blue:#345cf4;--line:#e3e9f4;--card:#fff;--radius:20px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,system-ui,-apple-system,Segoe UI,Arial,sans-serif;line-height:1.55}a{text-decoration:none;color:inherit}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{opacity:.55;cursor:wait}.container{width:min(1160px,calc(100% - 40px));margin-inline:auto}.announcement{background:#112344;color:#d6e4ff;text-align:center;padding:8px 12px;font-size:12px}.header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}.header-inner{min-height:74px;display:flex;justify-content:space-between;align-items:center;gap:20px}.brand{display:flex;align-items:center;gap:9px;font-weight:850;font-size:23px;letter-spacing:-1px}.brand em{font-style:normal;color:var(--blue)}.brand-mark{display:grid;place-items:center;background:linear-gradient(135deg,#3768fa,#6e4cfa);color:#fff;border-radius:12px;width:38px;height:38px;font-size:21px}.navlinks{display:flex;align-items:center;gap:24px;font-size:14px;font-weight:650}.navlinks a:hover{color:var(--blue)}.menu{display:none;background:#f1f4ff;border:1px solid #dbe5ff;padding:10px 13px;border-radius:10px;color:#243b73}.hero{padding:80px 0 70px;text-align:center;background:radial-gradient(ellipse at 65% 20%,#e0e9ff,transparent 55%),linear-gradient(120deg,#f8faff,#eef3ff)}.eyebrow{display:inline-block;background:#fff;color:#345bd5;border:1px solid #e0e8fb;padding:8px 15px;border-radius:50px;font-size:12px;font-weight:800;letter-spacing:.5px}.hero h1{font-size:clamp(36px,5vw,62px);letter-spacing:-2.4px;line-height:1.1;margin:22px 0 18px}.hero h1 span{color:var(--blue)}.hero p{max-width:660px;margin:0 auto 25px;color:var(--muted)}.searchbox{display:flex;gap:9px;background:#fff;border:1px solid var(--line);padding:8px;max-width:640px;margin:0 auto;border-radius:16px;box-shadow:0 16px 38px #2446aa16}.searchbox input{flex:1;min-width:0;padding:12px;border:0;outline:0}.btn{border:0;background:var(--blue);color:#fff;border-radius:11px;padding:12px 18px;font-weight:750;display:inline-flex;justify-content:center;align-items:center;gap:8px}.btn:hover{filter:brightness(.95)}.btn.secondary{background:#edf1ff;color:#2c4bbf}.chips{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:22px;color:#526784;font-size:13px}.section{padding:58px 0}.section-title{font-size:clamp(25px,3vw,34px);letter-spacing:-1px;margin:0 0 7px}.section-sub{color:var(--muted);margin:0 0 25px}.category-grid,.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:23px;box-shadow:0 6px 28px #1b326408;transition:transform .2s,border-color .2s}.card:hover{transform:translateY(-3px);border-color:#aebeff}.tool-grid .card{min-height:206px}.card h3{font-size:17px;margin:14px 0 6px;letter-spacing:-.25px}.card p{font-size:13px;color:var(--muted);margin:0 0 16px}.iconbox{width:47px;height:47px;display:grid;place-items:center;border-radius:14px;background:#edf2ff;color:#365df1}.iconbox svg{width:25px;height:25px}.go{color:#315ae4;font-size:13px;font-weight:750}.category-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:19px}.count{background:#eaf0ff;color:#3158c9;border-radius:50px;padding:6px 11px;font-size:12px;font-weight:750}.crumb{font-size:13px;color:var(--muted);margin:30px 0 23px}.crumb a{color:#315adf}.page-title{font-size:clamp(31px,4vw,45px);line-height:1.18;letter-spacing:-1.5px;margin:0 0 10px}.page-sub{color:var(--muted);max-width:750px;margin:0 0 26px}.workspace{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(320px,.85fr);gap:20px;align-items:start}.panel{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:0 9px 30px #233e7c0a;min-width:0}.panel h2{font-size:20px;margin:0 0 7px;letter-spacing:-.4px}.panel .muted{color:var(--muted);font-size:13px;margin:0 0 18px}.preview{min-height:310px;border:2px dashed #d4def2;border-radius:16px;display:flex;align-items:center;justify-content:center;overflow:auto;background:repeating-conic-gradient(#f3f6fc 0 25%,#fff 0 50%) 50%/26px 26px;margin:15px 0}.preview img,.preview canvas{max-width:100%;max-height:480px;object-fit:contain}.hint{text-align:center;padding:25px;color:#687b9b}.hint strong{display:block;color:#23395d;font-size:17px}.field{margin-bottom:14px}.field label{display:block;font-size:13px;font-weight:750;margin-bottom:6px}.field input,.field select,.field textarea{width:100%;padding:12px 13px;background:#fff;color:#14294b;border:1px solid #dce4f1;border-radius:11px;outline-color:#6486ff}.field input[type=range]{padding:0}.field input[type=color]{height:47px;padding:4px}.field small{display:block;color:#6b7a94;font-size:11px;margin-top:4px}.drop{position:relative;display:block;border:2px dashed #aabcf1;border-radius:15px;background:#f5f8ff;text-align:center;padding:22px;cursor:pointer;margin-bottom:17px}.drop strong{display:block;color:#244cc4}.drop small{color:#65758e}.drop input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%}.actions{display:flex;gap:9px;flex-wrap:wrap}.actions .btn{flex:1}.status{margin-top:16px;padding:13px 14px;border-radius:12px;background:#eef3ff;color:#24447b;font-size:13px;white-space:pre-wrap}.result{white-space:pre-wrap;overflow-wrap:anywhere;margin-top:14px;font-size:14px}.article{background:#fff;border:1px solid var(--line);border-radius:20px;padding:clamp(22px,4vw,40px);margin-top:25px;line-height:1.85;color:#53637b}.article h2,.article h3{color:var(--ink);line-height:1.3}.article h2{font-size:23px}.article li{margin:7px 0}.footer{background:#112443;color:#c4d1e6;margin-top:72px;padding:55px 0 20px}.footergrid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px}.footer h3{color:#fff;font-size:15px}.footer a{display:block;margin:10px 0;font-size:13px}.footer a:hover{color:#fff}.footer p{font-size:13px;max-width:330px}.copyright{border-top:1px solid #304564;padding-top:18px;margin-top:35px;font-size:12px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}.filters{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0}.filter{border:1px solid #dce5f4;background:#fff;border-radius:30px;padding:8px 13px;font-size:12px;font-weight:750}.filter.active{background:#315bf0;color:#fff}.hidden{display:none!important}.progress{position:fixed;inset:0;background:#10244c85;z-index:200;display:none;align-items:center;justify-content:center;padding:20px}.progress.show{display:flex}.progress-inner{width:min(400px,100%);background:white;border-radius:22px;padding:30px;text-align:center;box-shadow:0 20px 60px #0c1d3d55}.spin{height:47px;width:47px;border-radius:50%;border:5px solid #e6edff;border-top-color:#345cf4;animation:spin .9s linear infinite;margin:0 auto 15px}@keyframes spin{to{transform:rotate(360deg)}}.progress-track{height:8px;border-radius:20px;background:#e9eeff;margin-top:17px;overflow:hidden}.progress-bar{height:100%;width:100%;background:linear-gradient(90deg,#345cf4,#68a9ff);animation:bar 1.6s ease-in-out infinite;transform-origin:left}@keyframes bar{0%{transform:scaleX(.15)}65%{transform:scaleX(.85)}100%{transform:scaleX(.15)}}.alert{border:1px solid #e2e8f6;background:#f7f9ff;border-radius:14px;padding:17px;font-size:13px;color:#5b6e8a;margin:22px 0}.tagline{font-size:12px;color:#526887}.category-band{background:#ecf2ff;padding:24px;border-radius:18px;margin-bottom:24px}.empty{padding:30px;text-align:center;color:var(--muted)}
@media(max-width:900px){.footergrid{grid-template-columns:repeat(2,1fr)}.workspace{grid-template-columns:1fr}.category-grid,.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.header-inner{min-height:68px}.menu{display:block}.navlinks{display:none;position:absolute;top:100%;left:0;right:0;background:white;border-bottom:1px solid var(--line);padding:18px 24px;box-shadow:0 16px 24px #172b5015;flex-direction:column;align-items:stretch;gap:15px}.navlinks.open{display:flex}}@media(max-width:540px){.container{width:calc(100% - 30px)}.hero{padding:55px 0}.hero h1{letter-spacing:-1.7px}.section{padding:39px 0}.category-grid,.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.card{padding:15px;border-radius:15px}.card h3{font-size:14px}.card p{font-size:12px}.tool-grid .card{min-height:194px}.iconbox{width:41px;height:41px}.panel{padding:17px}.preview{min-height:250px}.searchbox{padding:5px}.searchbox .btn{padding:10px 12px;font-size:12px}.footergrid{grid-template-columns:1fr 1fr;gap:15px}.footergrid>div:first-child{grid-column:1/-1}.brand{font-size:20px}.footer{padding-top:40px}}

/* Converter studio refinements */
.modern-drop{padding:30px 20px;background:linear-gradient(145deg,#f0f5ff,#fff);border:2px dashed #9cb6f5;transition:background .2s,border-color .2s}.modern-drop:hover,.modern-drop:focus-within{background:#eaf1ff;border-color:#456bf4}.upload-illustration{display:grid;place-items:center;width:62px;height:62px;margin:0 auto 14px;background:linear-gradient(135deg,#335df1,#8a70ff);border-radius:19px;color:white;font-size:36px;box-shadow:0 12px 28px #365df43d}.modern-drop strong{font-size:17px;color:#203968}.modern-drop small{display:block;margin-top:7px}.file-list{display:grid;gap:8px;margin:12px 0 18px}.file-item{display:flex;justify-content:space-between;gap:12px;align-items:center;background:#f5f8ff;border:1px solid #e0e8f8;padding:11px 13px;border-radius:12px;font-size:12px;color:#3c537b}.file-item span:first-child{overflow-wrap:anywhere}.file-item span:last-child{white-space:nowrap}.icon-image{background:#e9f3ff;color:#2563eb}.icon-pdf{background:#fff0e9;color:#db5a2c}.workspace{margin-top:22px}.panel{box-shadow:0 14px 42px #253c7810}.panel h2{font-weight:800}.preview{background-color:#f8faff}.footer a{line-height:1.6}.card:focus-visible,.btn:focus-visible{outline:3px solid #86a5ff;outline-offset:3px}@media(min-width:1100px){.tool-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.container{width:min(1220px,calc(100% - 64px))}}@media(max-width:540px){.workspace{gap:14px}.panel{border-radius:17px}.file-item{font-size:11px}.actions .btn{min-width:100%}.page-title{overflow-wrap:anywhere}.footergrid{gap:18px}}


/* ToolNivora 2026 professional workspace refinements */
:root{--blue:#3757f6;--ink:#172440;--bg:#f6f8fd}
body{background:linear-gradient(180deg,#f9fbff 0%,#f4f7ff 60%,#f8fafc 100%)}
.container{width:min(1200px,calc(100% - 40px));margin-inline:auto}
.workspace{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start;gap:24px;margin:30px auto 40px}
.workspace>.panel{min-width:0;box-shadow:0 12px 42px rgba(31,52,100,.055);border:1px solid #e5eaf5;border-radius:24px}
.workspace>.panel:first-child{grid-column:2;grid-row:1;position:sticky;top:20px}
.workspace>.panel:nth-child(2){grid-column:1;grid-row:1}
.panel h2{letter-spacing:-.035em}
.drop{background:linear-gradient(140deg,#f6f8ff,#edf2ff);border:2px dashed #b7c7f8;border-radius:20px;min-height:155px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:9px;transition:.2s}
.drop:hover,.drop:focus-within{border-color:#4162fa;background:#eef3ff;transform:translateY(-1px)}
.btn{border-radius:13px;min-height:48px;box-shadow:0 5px 14px rgba(47,84,230,.12)}
.field input,.field select,.field textarea{border-radius:12px;min-height:44px}
.preview{background:linear-gradient(45deg,#f6f8fc 25%,transparent 25%,transparent 75%,#f6f8fc 75%),linear-gradient(45deg,#f6f8fc 25%,#fff 25%,#fff 75%,#f6f8fc 75%);background-position:0 0,12px 12px;background-size:24px 24px;border:1px dashed #cbd7ee;border-radius:18px;overflow:hidden;min-height:230px}
.preview img,.preview canvas{display:block;max-width:100%;max-height:520px;width:auto;height:auto;margin:auto;object-fit:contain}
.tool-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:17px}
.card{transition:transform .18s,box-shadow .18s;border-radius:19px;min-width:0}
.card:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(36,62,120,.09)}
.iconbox{border-radius:13px;background:var(--icon-bg,#eaf0ff)!important;color:var(--icon-fg,#3658eb)!important}
.card:nth-child(8n+1){--icon-bg:#ffeae5;--icon-fg:#ed6947}.card:nth-child(8n+2){--icon-bg:#e6f7ee;--icon-fg:#20a36b}.card:nth-child(8n+3){--icon-bg:#eeeaff;--icon-fg:#7854db}.card:nth-child(8n+4){--icon-bg:#fff3d9;--icon-fg:#c98b13}.card:nth-child(8n+5){--icon-bg:#e5f4ff;--icon-fg:#2981c6}.card:nth-child(8n+6){--icon-bg:#ffe8f4;--icon-fg:#c35693}.card:nth-child(8n+7){--icon-bg:#e4f7f6;--icon-fg:#199e9a}.card:nth-child(8n+8){--icon-bg:#f1edff;--icon-fg:#6657d5}
.invoice-sheet{background:#fff;color:#202c45;padding:30px;border:1px solid #e5e8ef;border-radius:14px;box-shadow:0 6px 18px #17244010;font-size:14px}
.invoice-sheet .inv-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;border-bottom:2px solid #315bf0;padding-bottom:20px}
.invoice-sheet h2{font-size:28px;color:#2e52d4;margin:0}.invoice-sheet table{width:100%;border-collapse:collapse;margin:24px 0}.invoice-sheet td,.invoice-sheet th{padding:10px 7px;border-bottom:1px solid #e8ebf1;text-align:left}.invoice-sheet th{background:#eef3ff}.invoice-sheet .total{text-align:right;font-size:20px;font-weight:800}
.inv-row{display:grid;grid-template-columns:2fr .7fr 1fr auto;gap:7px;align-items:center;margin:8px 0}.inv-row input{min-width:0;width:100%;padding:9px}.inv-row button{padding:9px}
.stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.stat-tile{background:#f1f5ff;border:1px solid #e2e9fb;border-radius:14px;padding:15px}.stat-tile strong{display:block;font-size:24px;color:#2448d0}.stat-tile span{font-size:12px;color:#66758c}
@media(max-width:850px){.workspace{grid-template-columns:1fr;gap:18px}.workspace>.panel:first-child{grid-column:1;grid-row:2;position:static}.workspace>.panel:nth-child(2){grid-column:1;grid-row:1}.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.container{width:min(100% - 28px,1200px)}.invoice-sheet{padding:16px}.inv-row{grid-template-columns:1fr 70px;gap:6px}.inv-row input:nth-child(3){grid-column:1}.inv-row button{grid-column:2;grid-row:2}}
@media(max-width:380px){.tool-grid{gap:9px}.card{padding:13px!important}.iconbox{width:42px;height:42px}}
@media print{.header,.announcement,.footer,.workspace>.panel:nth-child(2),.crumb,.page-title,.page-sub,.article,.section,.btn{display:none!important}.workspace{display:block!important}.workspace>.panel:first-child{display:block!important;border:0;box-shadow:none;padding:0}.invoice-sheet{border:0;box-shadow:none}}