:root{color-scheme:light;--bg:#f6f8fb;--surface:#fff;--surface-soft:#eef4f8;--text:#15212e;--muted:#607080;--line:#d9e2ea;--primary:#116b73;--primary-strong:#0b5057;--accent:#c4552d;--accent-soft:#fff0e9;--success:#176f45;--focus:#f2b84b;--shadow:0 14px 35px #14212e14}*{box-sizing:border-box}html{background:var(--bg);letter-spacing:0;min-width:320px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}body{color:var(--text);background:linear-gradient(180deg, #116b7314, transparent 360px), var(--bg);margin:0}a{color:inherit;text-decoration:none}img,svg{display:block}button,input,textarea,select{font:inherit}button{cursor:pointer}.site-shell{flex-direction:column;min-height:100vh;display:flex}.container{width:min(1160px,100% - 32px);margin:0 auto}.site-header{z-index:20;backdrop-filter:blur(14px);background:#f6f8fbeb;border-bottom:1px solid #d9e2eacc;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;gap:20px;min-height:68px;display:flex}.brand{align-items:center;gap:12px;font-weight:800;display:inline-flex}.brand-mark{color:#fff;background:linear-gradient(135deg, var(--primary), #20907f);border-radius:8px;place-items:center;width:38px;height:38px;display:grid;box-shadow:0 10px 22px #116b733d}.brand-text{line-height:1.05;display:grid}.brand-text span:first-child{font-size:1rem}.brand-text span:last-child{color:var(--muted);font-size:.78rem;font-weight:650}.nav{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:6px;display:flex}.nav a{min-height:38px;color:var(--muted);border-radius:8px;align-items:center;padding:0 12px;font-size:.94rem;font-weight:700;display:inline-flex}.nav a:hover,.nav a:focus-visible{color:var(--primary-strong);background:#e8f2f3;outline:none}.main{flex:1}.hero{padding:52px 0 34px}.hero-grid{grid-template-columns:minmax(0,1.1fr) minmax(280px,.9fr);align-items:center;gap:32px;display:grid}.eyebrow{color:var(--primary-strong);text-transform:uppercase;letter-spacing:.08em;margin:0 0 12px;font-size:.78rem;font-weight:800}h1,h2,h3,p{overflow-wrap:anywhere}h1{letter-spacing:0;max-width:820px;margin:0;font-size:clamp(2.2rem,4.6vw,4.4rem);line-height:.98}.hero-copy{max-width:710px;color:var(--muted);margin:18px 0 0;font-size:1.12rem;line-height:1.65}.hero-actions{flex-wrap:wrap;align-items:center;gap:12px;margin-top:28px;display:flex}.button,.button-secondary,.icon-button{border:0;border-radius:8px;justify-content:center;align-items:center;gap:9px;min-height:44px;font-weight:800;transition:transform .14s,background .14s,color .14s,border-color .14s;display:inline-flex}.button{color:#fff;background:var(--primary);padding:0 18px;box-shadow:0 12px 24px #116b733d}.button:hover,.button:focus-visible{background:var(--primary-strong);outline:none;transform:translateY(-1px)}.button-secondary{color:var(--primary-strong);background:#e7f2f3;border:1px solid #c9dde0;padding:0 16px}.button-secondary:hover,.button-secondary:focus-visible{background:#d9ebee;outline:none}.hero-visual{min-height:360px;box-shadow:var(--shadow);background-color:#0000;background-image:linear-gradient(135deg,#ffffffeb,#ecf5f7d1),url(/tool-pattern.svg);background-position:0 0,0 0;background-repeat:repeat,repeat;background-size:cover;background-attachment:scroll,scroll;background-origin:padding-box,padding-box;background-clip:border-box,border-box;border:1px solid #d9e2eae6;border-radius:8px;align-content:end;padding:24px;display:grid;overflow:hidden}.mini-dashboard{gap:12px;display:grid}.mini-row{background:#ffffffe0;border:1px solid #d9e2eae6;border-radius:8px;grid-template-columns:42px 1fr auto;align-items:center;gap:12px;min-height:58px;padding:10px 12px;display:grid}.mini-icon{width:42px;height:42px;color:var(--primary-strong);background:#e5f1f2;border-radius:8px;place-items:center;display:grid}.mini-row strong{font-size:.96rem;display:block}.mini-row span{color:var(--muted);font-size:.84rem}.mini-badge{color:var(--success);font-size:.86rem;font-weight:800}.section{padding:30px 0}.section-head{justify-content:space-between;align-items:end;gap:20px;margin-bottom:18px;display:flex}.section-head h2{margin:0;font-size:clamp(1.6rem,3vw,2.3rem);line-height:1.05}.section-head p{max-width:660px;color:var(--muted);margin:8px 0 0;line-height:1.6}.category-grid,.tool-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;display:grid}.category-card,.tool-card,.info-card,.result-box,.tool-panel,.content-band{border:1px solid var(--line);background:var(--surface);border-radius:8px;box-shadow:0 8px 22px #14212e0d}.category-card,.tool-card{flex-direction:column;gap:12px;min-height:150px;padding:18px;display:flex}.category-card:hover,.tool-card:hover,.category-card:focus-visible,.tool-card:focus-visible{box-shadow:var(--shadow);border-color:#a8cbd0;outline:none;transform:translateY(-1px)}.card-icon{width:44px;height:44px;color:var(--primary-strong);background:#e7f2f3;border-radius:8px;place-items:center;display:grid}.category-card h3,.tool-card h3{margin:0;font-size:1.08rem;line-height:1.25}.category-card p,.tool-card p{color:var(--muted);margin:0;font-size:.94rem;line-height:1.5}.card-meta{color:var(--accent);margin-top:auto;font-size:.86rem;font-weight:800}.breadcrumb{color:var(--muted);flex-wrap:wrap;align-items:center;gap:8px;margin:26px 0 0;font-size:.9rem;font-weight:700;display:flex}.breadcrumb a{color:var(--primary-strong)}.page-head{padding:34px 0 20px}.page-head h1{max-width:860px;font-size:clamp(2rem,4vw,3.5rem)}.page-head p{max-width:760px;color:var(--muted);font-size:1.08rem;line-height:1.65}.tool-layout{grid-template-columns:minmax(0,1fr) minmax(250px,320px);align-items:start;gap:22px;padding-bottom:48px;display:grid}.tool-main{gap:18px;display:grid}.tool-panel{padding:18px}.tool-form{gap:16px;display:grid}.field-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.field,.tool-panel label{color:var(--text);gap:7px;font-size:.94rem;font-weight:750;display:grid}.hint{color:var(--muted);font-size:.86rem;font-weight:600}.input,.textarea,.select{width:100%;min-height:46px;color:var(--text);background:#fff;border:1px solid #cbd8e2;border-radius:8px;outline:none;padding:0 12px}.textarea{resize:vertical;min-height:170px;padding:12px;line-height:1.5}.input-wrap{width:100%;display:block;position:relative}.input-wrap.has-addon .input{padding-right:clamp(68px,22%,128px)}.input-addon{max-width:42%;color:var(--muted);pointer-events:none;text-align:right;text-overflow:ellipsis;white-space:nowrap;font-size:.86rem;font-weight:800;line-height:1;position:absolute;top:50%;right:12px;overflow:hidden;transform:translateY(-50%)}.input:focus,.textarea:focus,.select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #f2b84b57}.segmented{flex-wrap:wrap;gap:8px;display:flex}.segment{min-height:40px;color:var(--muted);background:#fff;border:1px solid #cbd8e2;border-radius:8px;padding:0 12px;font-weight:800}.segment[aria-pressed=true]{color:#fff;background:var(--primary);border-color:var(--primary)}.check-row{color:var(--text);align-items:center;gap:9px;font-weight:750;display:flex}.check-row input{width:18px;height:18px;accent-color:var(--primary)}.result-box{background:#fbfefd;gap:12px;padding:16px;display:grid}.result-line{border-bottom:1px solid #e7edf2;justify-content:space-between;gap:18px;padding:10px 0;display:flex}.result-line:last-child{border-bottom:0}.result-line span{color:var(--muted);font-weight:700}.result-line strong{text-align:right;font-size:1.02rem}.result-primary{color:var(--primary-strong);font-size:1.35rem}.inline-actions{flex-wrap:wrap;gap:10px;display:flex}.icon-button{width:44px;min-width:44px;color:var(--primary-strong);background:#e7f2f3;border:1px solid #c9dde0;padding:0}.content-band{padding:20px}.content-band h2,.content-band h3{margin:0 0 12px}.content-band p,.content-band li{color:var(--muted);line-height:1.65}.content-band ul,.content-band ol{margin:0;padding-left:22px}.side-stack{gap:16px;display:grid;position:sticky;top:88px}.info-card{padding:16px}.info-card h2,.info-card h3{margin:0 0 10px;font-size:1rem}.related-list{gap:8px;display:grid}.related-list a{min-height:42px;color:var(--text);background:#f4f7f9;border-radius:8px;justify-content:space-between;align-items:center;gap:8px;padding:9px 10px;font-weight:750;display:flex}.related-list a:hover,.related-list a:focus-visible{color:var(--primary-strong);background:#e7f2f3;outline:none}.faq-list{gap:10px;display:grid}.faq-list details{border:1px solid var(--line);background:#fff;border-radius:8px;padding:14px}.faq-list summary{cursor:pointer;font-weight:800}.footer{border-top:1px solid var(--line);background:#fff;margin-top:44px}.footer-inner{min-height:100px;color:var(--muted);justify-content:space-between;align-items:center;gap:20px;font-size:.92rem;display:flex}.footer-links{flex-wrap:wrap;gap:14px;font-weight:750;display:flex}.empty-state{text-align:center;color:var(--muted);padding:28px}.qr-output{background:#fff;border:1px dashed #cbd8e2;border-radius:8px;place-items:center;min-height:260px;padding:16px;display:grid}.qr-output img{max-width:min(240px,100%);height:auto}.password-output{background:#f4f7f9;border:1px solid #dce5ec;border-radius:8px;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;min-height:58px;padding:10px 10px 10px 14px;display:grid}.password-output code{overflow-wrap:anywhere;font-size:1.02rem;font-weight:800}.directory-shell{gap:18px;display:grid}.directory-controls{border:1px solid var(--line);background:var(--surface);border-radius:8px;grid-template-columns:minmax(0,1fr) minmax(220px,300px);align-items:end;gap:14px;padding:16px;display:grid;box-shadow:0 8px 22px #14212e0d}.search-wrap svg{color:var(--muted);pointer-events:none;position:absolute;top:50%;left:12px;transform:translateY(-50%)}.search-wrap .input{padding-left:42px}.directory-count{color:var(--muted);margin:0;font-weight:800}.table-scroll{border:1px solid var(--line);background:#fff;border-radius:8px;overflow-x:auto}.data-table{border-collapse:collapse;width:100%;min-width:680px;font-size:.92rem}.data-table th,.data-table td{text-align:right;white-space:nowrap;border-bottom:1px solid #e7edf2;padding:11px 12px}.data-table th:first-child,.data-table td:first-child{text-align:left}.data-table th{color:var(--muted);background:#f4f7f9;font-weight:850}.data-table tr:last-child td{border-bottom:0}.code-textarea{font-family:Cascadia Mono,Fira Code,Consolas,monospace;font-size:.92rem}@media (width<=980px){.hero-grid,.tool-layout{grid-template-columns:1fr}.hero-visual{min-height:300px}.category-grid,.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.side-stack{position:static}}@media (width<=680px){.container{width:min(100% - 24px,1160px)}.header-inner,.section-head,.footer-inner{flex-direction:column;align-items:flex-start}.nav{justify-content:flex-start}.hero{padding-top:34px}.category-grid,.tool-grid,.field-grid,.directory-controls{grid-template-columns:1fr}.mini-row{grid-template-columns:42px 1fr}.mini-badge{grid-column:2}.result-line{flex-direction:column;align-items:flex-start;gap:4px}.result-line strong{text-align:left}}:root[data-theme=dark]{color-scheme:dark;--bg:#111412;--surface:#18201d;--surface-soft:#202b27;--text:#edf7f4;--muted:#a9b8b3;--line:#31413c;--primary:#55c7b7;--primary-strong:#93e4d8;--accent:#f29d6d;--accent-soft:#3a261d;--success:#7bd99b;--focus:#f2b84b;--shadow:0 18px 42px #00000057}:root[data-theme=dark] body{background:linear-gradient(180deg, #55c7b717, transparent 360px), var(--bg)}:root[data-theme=dark] .site-header{background:#111412eb;border-bottom-color:#31413ccc}.header-actions{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:10px;display:flex}.theme-toggle svg{pointer-events:none}.home-tool-hub{gap:18px;display:grid}.home-search-controls{grid-template-columns:minmax(0,1.25fr) minmax(180px,280px)}.tool-shelf{gap:14px;display:grid}.shelf-head{justify-content:space-between;align-items:center;gap:14px;display:flex}.shelf-head h3{margin:0;font-size:1.12rem}.shelf-head p{color:var(--muted);margin:4px 0 0;font-size:.92rem;line-height:1.45}.compact-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.tool-card-actionable{min-height:172px;padding:0;position:relative}.tool-card-link{flex-direction:column;gap:12px;min-height:172px;padding:18px;display:flex}.favorite-button{z-index:1;border:1px solid var(--line);width:38px;height:38px;color:var(--muted);background:color-mix(in srgb, var(--surface) 88%, transparent);border-radius:8px;place-items:center;display:grid;position:absolute;top:10px;right:10px}.favorite-button:hover,.favorite-button:focus-visible,.favorite-button.active,.favorite-action.active{color:#8a5b00;background:#fff6d7;border-color:#f2c35b;outline:none}.favorite-button.active svg,.favorite-action.active svg{fill:currentColor}.compact-empty{border:1px dashed var(--line);background:color-mix(in srgb, var(--surface) 72%, transparent);border-radius:8px}.tool-actions-panel{border-top:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px;padding-top:16px;display:flex}.result-value{justify-content:flex-end;align-items:center;gap:10px;min-width:0;display:inline-flex}.result-copy{border:1px solid var(--line);min-height:32px;color:var(--primary-strong);background:var(--surface-soft);border-radius:8px;justify-content:center;align-items:center;gap:6px;padding:0 10px;font-size:.78rem;font-weight:800;display:inline-flex}.result-copy:hover,.result-copy:focus-visible{border-color:var(--primary);outline:none}.chart-panel{border:1px solid var(--line);background:var(--surface);border-radius:8px;gap:12px;padding:16px;display:grid}.chart-panel h3{margin:0;font-size:1rem}.chart-canvas-wrap{height:260px;min-height:260px}.input-wrap.has-addon{background:#fff;border:1px solid #cbd8e2;border-radius:8px;grid-template-columns:minmax(0,1fr) auto;align-items:stretch;min-height:46px;display:grid;overflow:hidden}.input-wrap.has-addon:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px #f2b84b57}.input-wrap.has-addon .input{background:0 0;border:0;border-radius:0;min-height:44px;padding-right:12px}.input-wrap.has-addon .input:focus{box-shadow:none}.input-wrap.has-addon .input-addon{border-left:1px solid var(--line);max-width:180px;color:var(--muted);white-space:nowrap;justify-content:flex-end;align-items:center;padding:0 12px;line-height:1.1;display:inline-flex;position:static;transform:none}:root[data-theme=dark] .hero-visual,:root[data-theme=dark] .mini-row,:root[data-theme=dark] .result-box,:root[data-theme=dark] .faq-list details,:root[data-theme=dark] .footer,:root[data-theme=dark] .table-scroll,:root[data-theme=dark] .qr-output,:root[data-theme=dark] .password-output,:root[data-theme=dark] .directory-controls,:root[data-theme=dark] .input-wrap.has-addon,:root[data-theme=dark] .input,:root[data-theme=dark] .textarea,:root[data-theme=dark] .select,:root[data-theme=dark] .segment,:root[data-theme=dark] .related-list a{background:var(--surface)}:root[data-theme=dark] .button-secondary,:root[data-theme=dark] .icon-button,:root[data-theme=dark] .card-icon,:root[data-theme=dark] .mini-icon,:root[data-theme=dark] .nav a:hover,:root[data-theme=dark] .nav a:focus-visible,:root[data-theme=dark] .result-copy{color:var(--primary-strong);background:var(--surface-soft);border-color:var(--line)}:root[data-theme=dark] .input,:root[data-theme=dark] .textarea,:root[data-theme=dark] .select,:root[data-theme=dark] .segment,:root[data-theme=dark] .input-wrap.has-addon{border-color:var(--line)}:root[data-theme=dark] .data-table th,:root[data-theme=dark] .compact-empty{background:var(--surface-soft)}:root[data-theme=dark] .result-line,:root[data-theme=dark] .data-table th,:root[data-theme=dark] .data-table td{border-color:var(--line)}@media (width<=980px){.compact-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=680px){.header-actions,.home-search-controls,.compact-grid{grid-template-columns:1fr;justify-content:flex-start;width:100%}.tool-card-link{min-height:158px}.result-value{justify-content:space-between;width:100%}.tool-actions-panel .button-secondary{width:100%}.chart-canvas-wrap{height:230px;min-height:230px}}