:root{--cb-bg:#f5f7fb;--cb-surface:#fff;--cb-surface-2:#f8fafc;--cb-text:#172033;--cb-muted:#64748b;--cb-line:#dfe5ef;--cb-primary:#5b5bd6;--cb-primary-2:#4338ca;--cb-accent:#0ea5e9;--cb-success:#059669;--cb-danger:#dc2626;--cb-sidebar:#101426;--cb-sidebar-2:#171d34;--cb-shadow:0 18px 50px rgba(30,41,59,.08);--cb-radius:18px;--cb-radius-sm:12px;--cb-sidebar-w:286px;--cb-topbar-h:72px;color-scheme:light}
html[data-theme="dark"]{--cb-bg:#0b1020;--cb-surface:#12182a;--cb-surface-2:#171e32;--cb-text:#edf2ff;--cb-muted:#a8b2c7;--cb-line:#27314b;--cb-primary:#818cf8;--cb-primary-2:#6366f1;--cb-accent:#38bdf8;--cb-success:#34d399;--cb-sidebar:#080b16;--cb-sidebar-2:#11162a;--cb-shadow:0 18px 50px rgba(0,0,0,.28);color-scheme:dark}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{max-width:none!important;margin:0!important;background:var(--cb-bg)!important;color:var(--cb-text)!important;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif!important;min-height:100vh}.container{display:grid!important;grid-template-columns:var(--cb-sidebar-w) minmax(0,1fr)!important;min-height:100vh!important}.left-column{width:auto!important;height:100vh!important;position:sticky!important;top:0!important;background:linear-gradient(180deg,var(--cb-sidebar),var(--cb-sidebar-2))!important;color:#d8deee!important;padding:18px 14px!important;overflow:auto!important;z-index:40;border-right:1px solid rgba(255,255,255,.06)}
.brand-row{display:flex;align-items:center;gap:10px;padding:8px 8px 18px;border-bottom:1px solid rgba(255,255,255,.09);margin-bottom:14px}.brand-mark{width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,#818cf8,#38bdf8);display:grid;place-items:center;color:#fff;font-weight:900;font-size:20px;box-shadow:0 10px 24px rgba(79,70,229,.3)}.site-name{margin:0!important;padding:0!important;border:0!important;min-width:0}.site-name a{font-size:18px!important;color:#fff!important;letter-spacing:-.3px!important;white-space:nowrap}.brand-subtitle{font-size:11px;color:#8f9ab5;margin-top:2px}.sidebar-search{position:relative;margin:12px 4px 18px}.sidebar-search button{width:100%;display:flex;align-items:center;gap:9px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.09);color:#aeb7cc;border-radius:12px;padding:11px 12px;cursor:pointer;text-align:left}.sidebar-search kbd{margin-left:auto;font:inherit;font-size:10px;border:1px solid rgba(255,255,255,.16);border-radius:5px;padding:2px 5px}.menu{display:block!important}.nav-section-label{display:block;color:#68748f;font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.12em;padding:13px 12px 7px}.menu a{display:flex!important;align-items:center;gap:10px;color:#bfc7da!important;padding:10px 12px!important;border-radius:11px!important;margin-bottom:3px!important;font-size:13px!important;line-height:1.2}.menu a:hover,.menu a.active{background:rgba(129,140,248,.15)!important;color:#fff!important}.menu a.active{box-shadow:inset 3px 0 #818cf8}.nav-icon{width:19px;text-align:center;font-size:15px;opacity:.95}.sidebar-foot{padding:16px 10px 4px;color:#73809b;font-size:11px;line-height:1.55}.menu-icon{display:none!important}
.right-column{padding:0!important;max-width:none!important;min-width:0}.app-topbar{height:var(--cb-topbar-h);position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--cb-bg) 88%,transparent);backdrop-filter:blur(16px);border-bottom:1px solid color-mix(in srgb,var(--cb-line) 75%,transparent);display:flex;align-items:center;gap:12px;padding:0 clamp(18px,3vw,42px)}.mobile-menu-btn{display:none}.topbar-title{min-width:0}.topbar-title strong{display:block;font-size:14px}.topbar-title span{font-size:12px;color:var(--cb-muted)}.topbar-spacer{flex:1}.icon-button,.mobile-menu-btn{width:40px;height:40px;border:1px solid var(--cb-line);background:var(--cb-surface);color:var(--cb-text);border-radius:12px;display:grid;place-items:center;cursor:pointer;transition:.18s}.icon-button:hover,.mobile-menu-btn:hover{transform:translateY(-1px);border-color:var(--cb-primary);color:var(--cb-primary)}.topbar-search{width:min(400px,38vw);height:42px;border:1px solid var(--cb-line);background:var(--cb-surface);color:var(--cb-muted);border-radius:13px;display:flex;align-items:center;gap:9px;padding:0 12px;cursor:pointer}.topbar-search span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.topbar-search kbd{margin-left:auto;font:inherit;font-size:10px;padding:2px 6px;border:1px solid var(--cb-line);border-radius:5px}
.content{width:min(1180px,calc(100% - 44px));margin:0 auto;padding:34px 0 24px}.content>h1:first-child{font-size:clamp(30px,4vw,48px)!important;letter-spacing:-1.5px;line-height:1.08;margin:6px 0 10px!important;color:var(--cb-text)!important}.content>h1:first-child+p{font-size:16px;max-width:760px;color:var(--cb-muted)!important}.content h2{color:var(--cb-text)!important;letter-spacing:-.35px;margin-top:2em}.content h3,.content h4{color:var(--cb-text)!important}.content p,.content li{color:var(--cb-muted)!important;line-height:1.72}.content a{color:var(--cb-primary)}.content img{max-width:100%}.content input,.content select,.content textarea{font:inherit;color:var(--cb-text);background:var(--cb-surface);border-color:var(--cb-line)!important}.content input:focus,.content select:focus,.content textarea:focus{outline:3px solid color-mix(in srgb,var(--cb-primary) 18%,transparent);border-color:var(--cb-primary)!important}.content button,.content [role="button"]{font:inherit}.content button:not(.unstyled),.cb-button{transition:transform .16s,box-shadow .16s,filter .16s}.content button:not(.unstyled):hover,.cb-button:hover{transform:translateY(-1px);filter:brightness(1.03)}.content button:disabled{opacity:.5!important;cursor:not-allowed!important;transform:none!important}
.page-kicker{display:flex;align-items:center;gap:8px;color:var(--cb-primary);font-weight:800;text-transform:uppercase;letter-spacing:.12em;font-size:11px;margin-bottom:10px}.privacy-pill{display:inline-flex;align-items:center;gap:7px;border:1px solid color-mix(in srgb,var(--cb-success) 28%,var(--cb-line));background:color-mix(in srgb,var(--cb-success) 8%,var(--cb-surface));color:var(--cb-success);font-size:12px;font-weight:700;padding:7px 10px;border-radius:999px;margin:4px 0 8px}.privacy-pill::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;box-shadow:0 0 0 4px color-mix(in srgb,currentColor 14%,transparent)}
.tool-workspace,.converter-card,.cb-panel{background:var(--cb-surface)!important;border:1px solid var(--cb-line)!important;border-radius:var(--cb-radius)!important;box-shadow:var(--cb-shadow)!important;margin:26px 0!important;padding:clamp(20px,3vw,34px)!important;overflow:hidden}.tool-workspace h2:first-child,.converter-card h2:first-child{margin-top:0}.premium-dropzone,.drop-zone{border:2px dashed color-mix(in srgb,var(--cb-primary) 45%,var(--cb-line))!important;background:linear-gradient(180deg,color-mix(in srgb,var(--cb-primary) 4%,var(--cb-surface)),var(--cb-surface-2))!important;border-radius:16px!important;transition:.2s!important;min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center}.premium-dropzone:hover,.premium-dropzone.dragover,.drop-zone:hover,.drop-zone.dragover{border-color:var(--cb-primary)!important;background:color-mix(in srgb,var(--cb-primary) 8%,var(--cb-surface))!important;transform:translateY(-1px)}.tool-workspace [style*="background: white"],.tool-workspace [style*="background:white"]{background:var(--cb-surface)!important}.tool-workspace [style*="#f8fafc"],.tool-workspace [style*="#f1f5f9"]{background:var(--cb-surface-2)!important}.tool-workspace [style*="#e2e8f0"],.tool-workspace [style*="#cbd5e1"]{border-color:var(--cb-line)!important}.tool-workspace [style*="#64748b"],.tool-workspace [style*="#334155"]{color:var(--cb-muted)!important}.tool-workspace button[style*="#2563eb"],.tool-workspace a[style*="#2563eb"]{background:linear-gradient(135deg,var(--cb-primary),var(--cb-primary-2))!important;box-shadow:0 10px 24px color-mix(in srgb,var(--cb-primary) 25%,transparent)!important}.tool-workspace button[style*="#10b981"],.tool-workspace a[style*="#10b981"]{background:var(--cb-success)!important}.tool-workspace canvas{max-width:100%;border-radius:12px}.feature-grid,.cb-card-grid{display:grid!important;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))!important;gap:16px!important}.feature-card,.cb-card{background:var(--cb-surface)!important;border:1px solid var(--cb-line)!important;border-radius:15px!important;padding:20px!important;box-shadow:0 8px 26px rgba(30,41,59,.04);transition:.18s}.feature-card:hover,.cb-card:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--cb-primary) 40%,var(--cb-line));box-shadow:var(--cb-shadow)}
.cb-hero{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(340px,.85fr);gap:26px;align-items:stretch;margin:4px 0 30px}.cb-hero-copy{padding:32px 6px 24px 0}.cb-hero h1{font-size:clamp(38px,5vw,68px)!important;line-height:1.02!important;letter-spacing:-2.5px!important;margin:12px 0 18px!important}.gradient-text{background:linear-gradient(100deg,var(--cb-primary),var(--cb-accent));-webkit-background-clip:text;background-clip:text;color:transparent}.cb-hero p{font-size:17px!important;max-width:680px}.cb-hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.cb-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 17px;border-radius:12px;text-decoration:none!important;font-weight:800;border:1px solid var(--cb-line);background:var(--cb-surface);color:var(--cb-text)!important;cursor:pointer}.cb-button.primary{background:linear-gradient(135deg,var(--cb-primary),var(--cb-primary-2));border-color:transparent;color:#fff!important;box-shadow:0 12px 28px color-mix(in srgb,var(--cb-primary) 25%,transparent)}.cb-button.success{background:var(--cb-success);border-color:transparent;color:#fff!important}.cb-hero-panel{background:radial-gradient(circle at top right,color-mix(in srgb,var(--cb-accent) 22%,transparent),transparent 42%),linear-gradient(145deg,var(--cb-sidebar-2),var(--cb-sidebar));border-radius:24px;padding:22px;color:#fff;box-shadow:0 24px 70px rgba(15,23,42,.25);display:flex;flex-direction:column}.cb-hero-panel h2{color:#fff!important;margin:0 0 6px}.cb-hero-panel p{color:#aeb8cf!important;font-size:13px!important}.cb-hero-panel .quick-upload{margin-top:14px;border:1.5px dashed rgba(255,255,255,.26);border-radius:16px;min-height:190px;display:grid;place-items:center;text-align:center;padding:22px;background:rgba(0,0,0,.18)!important;color:#fff!important;cursor:pointer}.cb-hero-panel .quick-upload:hover{background:rgba(0,0,0,.26)!important}.cb-hero-panel .quick-upload strong{display:block;font-size:16px;margin-top:10px}.cb-hero-panel .quick-upload span{font-size:12px;color:#c5cee3}.quick-actions{display:grid;grid-template-columns:repeat(2,1fr);gap:9px;margin-top:12px}.quick-actions button{border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.07);color:#e8ecf6;border-radius:10px;padding:10px;font-weight:700;cursor:pointer}.quick-actions button.active{background:#fff;color:#111827}.home-section{margin:38px 0}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:14px}.section-heading h2{margin:0!important}.section-heading p{margin:0;max-width:620px}.tool-card{position:relative;display:flex;flex-direction:column;text-decoration:none!important;color:var(--cb-text)!important;min-height:178px}.tool-card .tool-icon{width:46px;height:46px;border-radius:14px;background:color-mix(in srgb,var(--cb-primary) 11%,var(--cb-surface));display:grid;place-items:center;font-size:22px;margin-bottom:18px}.tool-card h3{font-size:16px;margin:0 0 7px}.tool-card p{font-size:13px;margin:0}.tool-card .arrow{position:absolute;right:17px;top:17px;color:var(--cb-muted)}.category-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:17px}.category-tab{border:1px solid var(--cb-line);background:var(--cb-surface);color:var(--cb-muted);padding:8px 12px;border-radius:999px;cursor:pointer;font-weight:700}.category-tab.active{background:var(--cb-text);color:var(--cb-surface);border-color:var(--cb-text)}
.cb-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.cb-field{display:flex;flex-direction:column;gap:7px}.cb-field label{font-size:12px;font-weight:800;color:var(--cb-text)}.cb-field input,.cb-field select{width:100%;padding:11px 12px;border:1px solid var(--cb-line);border-radius:10px}.cb-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.cb-result{display:none;margin-top:20px;padding-top:20px;border-top:1px solid var(--cb-line)}.cb-result.show{display:block}.cb-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px;margin:14px 0}.cb-stat{background:var(--cb-surface-2);border:1px solid var(--cb-line);border-radius:12px;padding:13px}.cb-stat span{display:block;color:var(--cb-muted);font-size:11px}.cb-stat strong{display:block;margin-top:4px}.cb-preview-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.cb-preview{background:var(--cb-surface-2);border:1px solid var(--cb-line);border-radius:14px;padding:14px;min-height:250px;display:flex;flex-direction:column}.cb-preview-frame{flex:1;min-height:190px;display:grid;place-items:center;overflow:auto;background:repeating-conic-gradient(color-mix(in srgb,var(--cb-muted) 10%,transparent) 0 25%,transparent 0 50%) 50%/18px 18px;border-radius:10px}.cb-preview img,.cb-preview canvas{max-height:360px;max-width:100%;object-fit:contain}
.search-overlay{position:fixed;inset:0;z-index:100;background:rgba(5,8,18,.62);backdrop-filter:blur(8px);display:none;align-items:flex-start;justify-content:center;padding:10vh 18px}.search-overlay.open{display:flex}.search-dialog{width:min(680px,100%);background:var(--cb-surface);border:1px solid var(--cb-line);border-radius:18px;box-shadow:0 30px 90px rgba(0,0,0,.28);overflow:hidden}.search-input-wrap{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--cb-line)}.search-input-wrap input{border:0!important;outline:0!important;background:transparent!important;font-size:17px;flex:1;padding:6px;color:var(--cb-text)}.search-results{max-height:52vh;overflow:auto;padding:8px}.search-result{display:flex;align-items:center;gap:12px;padding:12px;border-radius:11px;text-decoration:none!important;color:var(--cb-text)!important}.search-result:hover,.search-result.active{background:var(--cb-surface-2)}.search-result-icon{width:36px;height:36px;border-radius:10px;background:color-mix(in srgb,var(--cb-primary) 10%,var(--cb-surface));display:grid;place-items:center}.search-result small{display:block;color:var(--cb-muted);margin-top:2px}.search-empty{padding:26px;text-align:center;color:var(--cb-muted)}
.toast-stack{position:fixed;right:18px;bottom:18px;z-index:120;display:grid;gap:8px}.toast{background:var(--cb-text);color:var(--cb-surface);padding:11px 14px;border-radius:11px;box-shadow:var(--cb-shadow);font-size:13px;animation:toast-in .2s ease}.offline-banner{display:none;position:fixed;left:50%;bottom:16px;transform:translateX(-50%);z-index:90;background:#f59e0b;color:#111827;padding:8px 13px;border-radius:999px;font-size:12px;font-weight:800}.offline .offline-banner{display:block}@keyframes toast-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
footer{width:min(1180px,calc(100% - 44px));margin:34px auto 0!important;padding:28px 0 40px!important;border-top:1px solid var(--cb-line)!important;color:var(--cb-muted)!important}.footer-inner{display:grid;grid-template-columns:1.4fr 1fr;gap:20px}.footer-brand{font-weight:900;color:var(--cb-text);margin-bottom:6px}.footer-menu{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:12px}.footer-menu a{margin:0!important;color:var(--cb-muted)!important;text-decoration:none!important}.footer-menu a:hover{color:var(--cb-primary)!important}.copyright{margin-top:18px;font-size:12px}
@media(max-width:1040px){:root{--cb-sidebar-w:246px}.cb-hero{grid-template-columns:1fr}.cb-hero-copy{padding-right:0}.topbar-search{width:min(320px,35vw)}}
@media(max-width:780px){.container{display:block!important}.left-column{position:fixed!important;left:0;top:0;bottom:0;width:min(86vw,300px)!important;height:100vh!important;transform:translateX(-105%);transition:transform .22s;box-shadow:20px 0 60px rgba(0,0,0,.24)}body.sidebar-open .left-column{transform:none}.sidebar-backdrop{display:none;position:fixed;inset:0;z-index:35;background:rgba(5,8,18,.55)}body.sidebar-open .sidebar-backdrop{display:block}.mobile-menu-btn{display:grid}.topbar-title{display:none}.topbar-search{flex:1;width:auto}.app-topbar{padding:0 14px}.content{width:min(100% - 28px,1180px);padding-top:24px}.cb-hero h1{letter-spacing:-1.5px!important}.cb-hero-panel{padding:17px}.cb-preview-grid,.cb-form-grid{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr}.footer-menu{justify-content:flex-start}.tool-workspace,.converter-card,.cb-panel{padding:18px!important;border-radius:15px!important}.tool-workspace [style*="grid-template-columns: 1fr 1fr"],.tool-workspace [style*="grid-template-columns:1fr 1fr"],.tool-workspace [style*="grid-template-columns: repeat(2"]{grid-template-columns:1fr!important}.tool-workspace [style*="width: 70%"],.tool-workspace [style*="width:70%"]{width:100%!important}}
@media(max-width:520px){.topbar-search kbd,.topbar-search span{display:none}.topbar-search{flex:0 0 42px;justify-content:center;padding:0}.content>h1:first-child{font-size:34px!important}.cb-hero h1{font-size:43px!important}.quick-actions{grid-template-columns:1fr}.cb-card-grid,.feature-grid{grid-template-columns:1fr!important}.cb-hero-actions .cb-button{width:100%}.footer-menu{display:grid;grid-template-columns:repeat(2,1fr)}.content{width:calc(100% - 22px)}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
@media print{.left-column,.app-topbar,footer,.search-overlay,.toast-stack{display:none!important}.container{display:block!important}.content{width:100%;padding:0}.tool-workspace,.cb-panel{box-shadow:none!important}}