@import "https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.css";
@import "https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&display=swap";
:root{--font-sans:"Pretendard", system-ui, -apple-system, sans-serif;--font-mono:"JetBrains Mono", ui-monospace, "SF Mono", monospace;--bg:#f6f7f9;--bg-grid:#eef0f3;--surface:#fff;--surface-2:#f9fafb;--surface-3:#f1f3f6;--border:#e6e8ec;--border-2:#d7dae0;--text:#14181f;--text-muted:#5b6472;--text-faint:#8b94a3;--brand:#4f46e5;--brand-hover:#4338ca;--brand-fg:#fff;--brand-tint:#eef0ff;--ring:color-mix(in srgb, var(--brand) 35%, transparent);--c-image:#10b981;--c-doc:#ef4444;--c-dev:#7c5cff;--c-design:#f59e0b;--c-convert:#0ea5e9;--c-generate:#14b8a6;--radius:12px;--radius-sm:9px;--radius-lg:18px;--radius-pill:999px;--shadow-sm:0 1px 2px #1016200d, 0 1px 1px #1016200a;--shadow-md:0 4px 14px -4px #1016201f, 0 2px 6px -2px #10162014;--shadow-lg:0 18px 40px -12px #10162038;--sidebar-w:256px;--maxw:1240px}[data-theme=dark]{--bg:#0c0e12;--bg-grid:#14171d;--surface:#15181e;--surface-2:#1a1e25;--surface-3:#20242c;--border:#262b33;--border-2:#333a44;--text:#eef1f5;--text-muted:#9aa3b1;--text-faint:#6b7585;--brand:#7c75ff;--brand-hover:#908aff;--brand-fg:#0c0e12;--brand-tint:#1d1f3a;--c-image:#2dd4a7;--c-doc:#f87171;--c-dev:#9d8bff;--c-design:#fbbf24;--c-convert:#38bdf8;--c-generate:#2dd4bf;--shadow-sm:0 1px 2px #0006;--shadow-md:0 6px 18px -6px #0000008c;--shadow-lg:0 22px 50px -16px #000000b3}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{font-family:var(--font-sans);background:var(--bg);color:var(--text);letter-spacing:-.01em;word-break:keep-all;overflow-wrap:break-word;-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;line-height:1.5}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}input,textarea,select{font-family:inherit}::selection{background:var(--ring)}h1,h2,h3,h4{letter-spacing:-.022em;margin:0;font-weight:700}p{margin:0}svg{display:block}.app{grid-template-columns:var(--sidebar-w) 1fr;min-height:100vh;display:grid}.sidebar{background:var(--surface);border-right:1px solid var(--border);flex-direction:column;align-self:start;gap:6px;height:100vh;padding:18px 14px;display:flex;position:sticky;top:0}.brand{align-items:center;gap:10px;padding:6px 8px 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.count{font-variant-numeric:tabular-nums;color:var(--text-faint);margin-left:auto;font-size:12px;font-weight:500}.nav-item>span:not(.ni-icon):not(.count){white-space:nowrap}.nav-item.active .count{color:var(--brand)}.sidebar-foot{flex-direction:column;gap:10px;margin-top:auto;padding-top:12px;display:flex}.theme-toggle{background:var(--surface-3);border:1px solid var(--border);border-radius:var(--radius-pill);align-items:center;gap:4px;padding:3px;display:flex}.theme-toggle button{border-radius:var(--radius-pill);color:var(--text-faint);background:0 0;border:none;flex:1;justify-content:center;align-items:center;gap:6px;padding:6px 8px;font-size:12.5px;font-weight:600;transition:all .14s;display:flex}.theme-toggle button.on{background:var(--surface);color:var(--text);box-shadow:var(--shadow-sm)}.ad-slot{border:1px dashed var(--border-2);border-radius:var(--radius);background:repeating-linear-gradient(135deg, transparent, transparent 9px, color-mix(in srgb, var(--border) 40%, 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.chip-icon{color:#fff;background:#ffffff29}.feat-badge{letter-spacing:.03em;border-radius:var(--radius-pill);background:#ffffff2e;align-self:flex-start;margin-bottom:auto;padding:4px 9px;font-size:11px;font-weight:700}.feat-card .feat-title{margin-top:14px;font-size:18px;font-weight:700}.feat-card .feat-desc{color:var(--text-muted);margin-top:4px;font-size:13px}.feat-card.mini{flex-direction:row;align-items:center;gap:14px;min-height:0;padding:18px}.feat-card.mini .feat-title{margin-top:0;font-size:15px}.feat-card.mini .feat-desc{margin-top:2px}.chip-icon{border-radius:11px;flex:none;place-items:center;width:42px;height:42px;display:grid}.tool-section{margin-bottom:36px;scroll-margin-top:80px}.section-head{align-items:center;gap:12px;margin-bottom:14px;display:flex}.section-head .s-dot{border-radius:3px;width:10px;height:10px}.section-head h2{white-space:nowrap;font-size:17px}.section-head .s-count{color:var(--text-faint);font-variant-numeric:tabular-nums;white-space:nowrap;font-size:12.5px}.section-head .s-line{background:var(--border);flex:1;height:1px}.tool-grid{grid-template-columns:repeat(auto-fill,minmax(248px,1fr));gap:14px;display:grid}.tool-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;padding:18px;transition:transform .15s,box-shadow .15s,border-color .15s;display:flex;position:relative}.tool-card:hover{box-shadow:var(--shadow-md);border-color:var(--border-2);transform:translateY(-2px)}.tool-card .tc-top{align-items:center;gap:12px;display:flex}.tool-card .tc-title{font-size:15px;font-weight:650}.tool-card .tc-arrow{color:var(--text-faint);opacity:0;margin-left:auto;transition:all .15s;transform:translate(-4px)}.tool-card:hover .tc-arrow{opacity:1;transform:translate(0)}.tool-card .tc-desc{color:var(--text-muted);text-wrap:pretty;margin-top:12px;font-size:13px;line-height:1.5}.tool-card .tc-meta{flex-wrap:wrap;align-items:center;gap:7px;margin-top:14px;display:flex}.tag{border-radius:var(--radius-pill);background:var(--surface-3);color:var(--text-muted);white-space:nowrap;align-items:center;gap:5px;padding:3px 9px;font-size:11.5px;font-weight:600;display:inline-flex}.tag.free{color:var(--c-image);background:color-mix(in srgb, var(--c-image) 12%, var(--surface))}.tag.hot{color:var(--c-doc);background:color-mix(in srgb, var(--c-doc) 12%, var(--surface))}.foot{border-top:1px solid var(--border);color:var(--text-faint);max-width:var(--maxw);flex-wrap:wrap;justify-content:space-between;gap:16px;width:100%;margin:0 auto;padding:26px 30px 40px;font-size:13px;display:flex}.foot a:hover{color:var(--text)}.foot-links{flex-wrap:wrap;gap:18px;display:flex}.breadcrumb{color:var(--text-faint);white-space:nowrap;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:18px;font-size:13px;display:flex}.breadcrumb a:hover{color:var(--text)}.breadcrumb 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h4{text-transform:uppercase;letter-spacing:.05em;color:var(--text-faint);margin-bottom:12px;font-size:13px}.field{margin-bottom:14px}.field label{color:var(--text-muted);margin-bottom:6px;font-size:12.5px;font-weight:600;display:block}.input,.select{border:1px solid var(--border);background:var(--surface-2);width:100%;color:var(--text);border-radius:10px;outline:none;padding:10px 12px;font-size:14px;transition:border-color .14s,box-shadow .14s}.input:focus,.select:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--ring)}.input.mono{font-family:var(--font-mono)}.seg{background:var(--surface-3);border-radius:10px;gap:2px;padding:3px;display:inline-flex}.seg button{color:var(--text-muted);white-space:nowrap;background:0 0;border:none;border-radius:8px;padding:7px 14px;font-size:13px;font-weight:600}.seg button.on{background:var(--surface);color:var(--text);box-shadow:var(--shadow-sm)}.range{width:100%;accent-color:var(--brand)}.code{font-family:var(--font-mono);background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);white-space:pre;color:var(--text);tab-size:2;padding:16px;font-size:13px;line-height:1.7;overflow:auto}.tk-key{color:var(--c-dev)}.tk-str{color:var(--c-image)}.tk-num{color:var(--c-convert)}.tk-bool{color:var(--c-doc)}.tk-punc{color:var(--text-faint)}@media (max-width:1024px){.featured{grid-template-columns:1fr 1fr}.feat-card.lead{grid-column:1/-1}.workspace{grid-template-columns:1fr}}@media (max-width:860px){:root{--sidebar-w:0px}.app{grid-template-columns:1fr}.sidebar{z-index:60;width:280px;height:100vh;box-shadow:var(--shadow-lg);transition:transform .22s;position:fixed;top:0;left:0;transform:translate(-100%)}body.nav-open .sidebar{transform:translate(0)}.nav-scrim{z-index:55;opacity:0;pointer-events:none;background:#0006;transition:opacity .2s;position:fixed;inset:0}body.nav-open .nav-scrim{opacity:1;pointer-events:auto}.mobile-only{display:flex}.topbar{padding:12px 16px}.content{padding:20px 16px 50px}.featured{grid-template-columns:1fr}.hero-stats{display:none}}@media (max-width:520px){.hero h1{font-size:25px}.tool-grid{grid-template-columns:1fr}}.app-shell{grid-template-columns:var(--sidebar-w) 1fr;min-height:100vh;display:grid}.main-wrap{flex-direction:column;min-width:0;display:flex}.sidebar-nav{flex-direction:column;gap:2px;display:flex;overflow-y:auto}.sidebar-spacer{flex:1}.sidebar-overlay{z-index:55;background:#0006;position:fixed;inset:0}.theme-btn{border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface-2);color:var(--text-muted);align-items:center;gap:8px;padding:9px 12px;font-size:13px;font-weight:600;transition:all 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var(--border);border-radius:var(--radius);box-shadow:var(--shadow-md);z-index:50;margin:0;padding:4px;list-style:none;position:absolute;top:calc(100% + 6px);left:0;right:0}.search-dropdown li button{border-radius:var(--radius-sm);width:100%;color:var(--text);text-align:left;background:0 0;border:none;align-items:center;gap:10px;padding:9px 12px;font-size:13.5px;display:flex}.search-dropdown li button:hover{background:var(--surface-3)}.locale-switch{flex:none}.locale-btn{border-radius:var(--radius-pill);border:1px solid var(--border);background:var(--surface);color:var(--text-muted);letter-spacing:.04em;padding:6px 12px;font-size:12.5px;font-weight:700;transition:all .14s}.locale-btn:hover{color:var(--text);border-color:var(--border-2)}.footer{border-top:1px solid var(--border);color:var(--text-faint);max-width:var(--maxw);flex-wrap:wrap;justify-content:space-between;gap:16px;width:100%;margin:0 auto;padding:26px 30px 40px;font-size:13px;display:flex}.footer-nav{flex-wrap:wrap;gap:18px;display:flex}.footer-nav a:hover{color:var(--text)}.hero-eyebrow{color:var(--text-muted);align-items:center;gap:7px;margin-bottom:12px;font-size:12.5px;font-weight:600;display:inline-flex}.hero-title{font-size:30px;line-height:1.15}.hero-subtitle{color:var(--text-muted);max-width:46ch;margin-top:8px;font-size:15px}.stat-num{letter-spacing:-.03em;font-size:22px;font-weight:800;display:block}.stat-label{color:var(--text-faint);white-space:nowrap;font-size:12.5px;display:block}.section{margin-bottom:36px}.section-badge{color:var(--text-muted);align-items:center;gap:7px;margin-bottom:14px;font-size:12.5px;font-weight:700;display:inline-flex}.feat-grid{grid-template-columns:1.4fr 1fr;gap:14px;margin-bottom:34px;display:grid}.feat-lead{color:#fff;background:radial-gradient(120% 130% at 100% 0%, color-mix(in srgb, var(--brand) 55%, #000) 0%, var(--brand) 60%);border-color:#0000!important}.feat-lead 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1fr;gap:16px;display:grid}.editor-pane{flex-direction:column;gap:8px;display:flex}.editor-pane-header{justify-content:space-between;align-items:center;display:flex}.code-input{font-family:var(--font-mono);resize:vertical;background:var(--surface-2);min-height:280px;color:var(--text);border:1px solid var(--border);border-radius:var(--radius);tab-size:2;outline:none;width:100%;padding:14px;font-size:13px;line-height:1.6}.code-input:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--ring)}.error-box{background:color-mix(in srgb, var(--c-doc) 10%, var(--surface));border:1px solid color-mix(in srgb, var(--c-doc) 30%, transparent);border-radius:var(--radius-sm);color:var(--c-doc);padding:12px 16px;font-size:13px}.status-msg{color:var(--text-muted);font-size:13.5px}.btn-primary{background:var(--brand)!important;color:var(--brand-fg)!important;border-color:#0000!important}.btn-primary:hover{background:var(--brand-hover)!important}.btn-outline{border-color:var(--border)!important;background:var(--surface)!important}.btn-ghost{color:var(--text-muted)!important;background:0 0!important;border-color:#0000!important}.btn-ghost:hover{background:var(--surface-3)!important;color:var(--text)!important}.btn-sm{padding:7px 11px!important;font-size:12.5px!important}.field-label{color:var(--text-muted);margin-bottom:6px;font-size:12.5px;font-weight:600;display:block}.field-hint{color:var(--text-faint);margin-top:4px;font-size:12px}.field-row{flex-wrap:wrap;gap:14px;display:flex}.field-row .field{flex:1;min-width:140px}.seg-item{color:var(--text-muted);white-space:nowrap;cursor:pointer;background:0 0;border:none;border-radius:8px;padding:7px 14px;font-size:13px;font-weight:600}.seg-item.active{background:var(--surface);color:var(--text);box-shadow:var(--shadow-sm)}.range-input{width:100%;accent-color:var(--brand);cursor:pointer}.converter-row{flex-wrap:wrap;align-items:flex-end;gap:14px;display:flex}.converter-row .field{flex:1;min-width:180px}.swap-btn{flex:none;margin-bottom:14px}.result-input{font-weight:700;background:var(--surface-3)!important}.result-summary{color:var(--text-muted);padding:12px 0;font-size:15px}.result-summary.large{font-size:18px}.result-summary strong{color:var(--text)}.calc-panel{flex-direction:column;gap:16px;display:flex}.result-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;display:grid}.result-item{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;gap:4px;padding:14px 16px;display:flex}.result-item span{color:var(--text-faint);font-size:12.5px}.result-item strong{letter-spacing:-.02em;font-size:18px;font-weight:800}.calc-note{color:var(--text-faint);font-size:12.5px}.bmi-result{border-radius:var(--radius-lg);background:var(--surface-2);border:2px solid;align-items:center;gap:16px;padding:20px 24px;display:flex}.bmi-num{letter-spacing:-.04em;font-size:48px;font-weight:900}.bmi-label{font-size:18px;font-weight:700}.color-header{flex-direction:column;gap:14px;display:flex}.color-input-row{align-items:center;gap:10px;display:flex}.color-picker{cursor:pointer;border:none;border-radius:8px;flex:none;width:40px;height:40px;padding:0}.palette-section{margin-top:4px}.palette-heading{color:var(--text-muted);margin-bottom:10px;font-size:13px;font-weight:700}.palette-row{flex-wrap:wrap;gap:12px;display:flex}.color-swatch{flex-direction:column;gap:8px;min-width:100px;display:flex}.swatch-box{border-radius:var(--radius);border:1px solid var(--border);width:100%;height:72px}.swatch-info{flex-direction:column;gap:4px;display:flex}.swatch-copy{font-family:var(--font-mono);color:var(--text-muted);cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:6px;padding:0;font-size:12px;display:flex}.swatch-copy:hover{color:var(--text)}.swatch-formats{gap:4px;display:flex}.swatch-fmt{letter-spacing:.04em;border:1px solid var(--border);color:var(--text-faint);cursor:pointer;background:0 0;border-radius:4px;padding:2px 6px;font-size:10px;font-weight:700}.swatch-fmt.active{background:var(--surface-3);color:var(--text);border-color:var(--border-2)}.qr-layout{grid-template-columns:1fr 280px;align-items:start;gap:24px;display:grid}.qr-inputs{flex-direction:column;gap:16px;display:flex}.qr-preview{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-lg);flex-direction:column;align-items:center;gap:14px;padding:20px;display:flex}.qr-placeholder{color:var(--text-faint);flex-direction:column;align-items:center;gap:10px;padding:20px 0;display:flex}.qr-placeholder p{font-size:13px}.qr-actions{gap:10px;display:flex}.compress-settings{padding:18px}.compress-actions{flex-wrap:wrap;gap:10px;margin-top:12px;display:flex}.compress-list{flex-direction:column;gap:10px;display:flex}.compress-item{align-items:center;gap:14px;padding:14px 16px;display:flex}.compress-thumb{object-fit:cover;border:1px solid var(--border);border-radius:8px;flex:none;width:56px;height:56px}.compress-info{flex:1;min-width:0}.compress-name{white-space:nowrap;text-overflow:ellipsis;font-size:13.5px;font-weight:600;overflow:hidden}.compress-sizes{color:var(--text-muted);margin-top:3px;font-size:12.5px}.compress-badge{border-radius:var(--radius-pill);background:color-mix(in srgb, var(--c-image) 14%, var(--surface));color:var(--c-image);align-items:center;padding:2px 7px;font-size:11px;font-weight:700;display:inline-flex}.compress-status{color:var(--brand);margin-top:2px;font-size:12px}.compress-error{color:var(--c-doc);margin-top:2px;font-size:12px}.pdf-list{flex-direction:column;gap:10px;display:flex}.pdf-item{align-items:center;gap:12px;padding:14px 16px;display:flex}.pdf-info{flex:1;min-width:0}.pdf-name{white-space:nowrap;text-overflow:ellipsis;font-size:13.5px;font-weight:600;overflow:hidden}.pdf-meta{color:var(--text-faint);margin-top:2px;font-size:12px}.pdf-order-btns{flex-direction:column;gap:2px;display:flex}.pdf-actions{flex-wrap:wrap;gap:10px;display:flex}.static-page{max-width:760px;margin:0 auto;padding:28px 30px 60px}.static-content{padding:32px 36px;line-height:1.8}.static-content h1{margin-bottom:28px;font-size:26px}.static-content h2{margin-top:28px;margin-bottom:10px;font-size:17px}.static-content h3{margin-top:20px;margin-bottom:6px;font-size:15px;font-weight:700}.static-content p{color:var(--text-muted);margin-bottom:10px;font-size:14.5px}.static-content ul{color:var(--text-muted);padding-left:22px;font-size:14.5px;line-height:1.8}.static-content a{color:var(--brand)}.static-content a:hover{text-decoration:underline}.static-date{color:var(--text-faint);font-size:12.5px;margin-bottom:24px!important}.contact-card{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-lg);color:var(--brand);align-items:center;gap:16px;margin:20px 0;padding:20px;display:flex}.contact-label{color:var(--text-faint);margin-bottom:4px;font-size:12px}.contact-email{color:var(--brand);font-size:16px;font-weight:700}.contact-email:hover{text-decoration:underline}@media (max-width:1024px){.feat-grid,.qr-layout,.editor-grid{grid-template-columns:1fr}}@media (max-width:860px){:root{--sidebar-w:0px}.app-shell{grid-template-columns:1fr}.sidebar{z-index:60;width:280px;height:100vh;box-shadow:var(--shadow-lg);transition:transform .22s;position:fixed;top:0;left:0;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.topbar-menu{display:flex}.tool-page,.static-page{padding:20px 16px 50px}.static-content{padding:20px}.compress-thumb{width:44px;height:44px}}@media (max-width:520px){.field-row,.converter-row{flex-direction:column}.swap-btn{transform:rotate(90deg)}.result-grid{grid-template-columns:1fr 1fr}}