:root{--ink:#1b2430;--ink-2:#3d4a5a;--muted:#5f6b7a;--line:#e1e6ec;--soft:#f3f6f9;--brand:#2c5d8f;--brand-2:color-mix(in srgb, var(--brand) 10%, #fff);--bad:#b42318;--bg:#f7f9fb;--surface:#fff;--surface-2:var(--soft);--accent:var(--brand);--shadow:0 1px 2px rgba(16, 24, 40, .05), 0 6px 18px rgba(16, 24, 40, .06);--radius:12px;--wrap:1180px;color-scheme:light}*{box-sizing:border-box}[hidden]{display:none!important}html{-webkit-text-size-adjust:100%}body{margin:0;font:16.5px/1.65 system-ui,-apple-system,segoe ui,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}a{color:var(--brand)}img,svg{max-width:100%}.wrap{max-width:var(--wrap);margin:0 auto;padding:0 16px}.skip{position:absolute;left:-999px;top:0;background:#fff;padding:8px;z-index:10}.skip:focus{left:8px}.masthead{border-bottom:1px solid var(--line);background:var(--surface);box-shadow:0 1px rgba(16,24,40,2%)}.masthead__in{display:flex;align-items:center;gap:16px;min-height:56px;flex-wrap:wrap}.logo{display:inline-flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink);font-size:18.5px;font-weight:650;letter-spacing:-.015em}.logo svg{width:30px;height:30px;flex:none}.logo b{color:var(--brand)}.masthead nav{display:flex;gap:4px;flex-wrap:wrap;margin-left:auto}.masthead nav a{text-decoration:none;color:var(--muted);padding:8px 10px;border-radius:8px;font-size:15px;min-height:40px;display:inline-flex;align-items:center}.masthead nav a:hover{background:var(--soft);color:var(--ink)}.tool-head{padding:26px 0 8px}.tool-head h1{font-size:clamp(26px,4.2vw,38px);line-height:1.15;margin:0 0 8px;letter-spacing:-.025em}.lede{margin:0;color:var(--ink-2);max-width:760px;font-size:17.5px}.tool{margin:14px 0 28px}.tool__static{text-align:center}.tool__static img{width:300px;border:1px solid var(--line);box-shadow:0 2px 10px rgba(20,40,70,8%)}.tool--live{display:grid;grid-template-columns:minmax(0,1fr);gap:18px}.tool__stage{order:-1}@media(min-width:860px){.tool--live{grid-template-columns:330px minmax(0,1fr);align-items:start}.tool__stage{order:0;position:sticky;top:12px}}.tool__panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}.tool__presets{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}.tool__fields{display:grid;gap:10px}.field{display:grid;gap:4px}.field label{font-size:14px;font-weight:600;color:#344150}.field small{color:var(--muted);font-size:13px}.field--check{grid-template-columns:auto 1fr;align-items:center;gap:8px}.field--check label{font-weight:500}.field input[type=checkbox]{width:20px;height:20px;margin:0;accent-color:var(--brand)}select,input[type=number],input[type=text],textarea{font:inherit;font-size:15px;width:100%;min-height:40px;padding:6px 10px;border:1px solid #c5ced8;border-radius:8px;background:#fff;color:var(--ink)}textarea{min-height:80px}input[type=color]{width:56px;height:40px;padding:2px;border:1px solid #c5ced8;border-radius:8px;background:#fff}select:focus,input:focus,textarea:focus,.btn:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:1px}.length-custom{display:grid;grid-template-columns:1fr 72px;gap:6px}.tool__more{margin-top:12px;border-top:1px solid var(--line);padding-top:8px}.tool__more summary{cursor:pointer;font-weight:600;font-size:14px;color:var(--brand);padding:8px 0;min-height:40px}.tool__more .tool__fields{padding-top:6px}.tool__preview{background:#e6ebf1;border:1px solid var(--line);border-radius:var(--radius);padding:16px;display:flex;justify-content:center}.tool__preview svg{width:auto;height:auto;max-width:100%;max-height:min(72vh,760px);background:#fff;box-shadow:0 2px 12px rgba(20,40,70,.18);display:block}.tool__info{margin:10px 2px 0;font-size:14px;color:#344150;min-height:1.6em}.tool__info.bad{color:var(--bad);font-weight:600}.tool__actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.tool__tip{font-size:13px;color:var(--muted);margin:8px 2px 0}.btn{font:inherit;font-size:15px;font-weight:600;min-height:42px;padding:8px 16px;border-radius:8px;border:1px solid var(--brand);background:#fff;color:var(--brand);cursor:pointer}.btn:hover{background:var(--brand-2)}.btn.primary{background:var(--brand);color:#fff}.btn.primary:hover{background:#234c75}.btn.ghost{border-color:#c5ced8;color:#344150}.btn.chip{min-height:36px;padding:4px 12px;font-size:14px;font-weight:500;border-color:#c5ced8;color:#344150;border-radius:18px}.btn.chip:hover{border-color:var(--brand);color:var(--brand)}.btn:disabled{opacity:.5;cursor:not-allowed}.guide{max-width:780px;padding-bottom:32px}.guide section{padding:8px 0 6px}.guide section+section{border-top:1px solid var(--line);margin-top:18px;padding-top:22px}.guide h2{font-size:25px;line-height:1.25;margin:10px 0 12px;letter-spacing:-.02em}.guide p,.guide li{color:var(--ink-2)}.guide h3{font-size:18px;margin:18px 0 6px}.guide ol,.guide ul{padding-left:22px}.guide li{margin:4px 0}.guide table{border-collapse:collapse;width:100%;font-size:15px;margin:10px 0;display:block;overflow-x:auto}.guide th,.guide td{border:1px solid var(--line);padding:6px 10px;text-align:left;white-space:nowrap}.guide th{background:var(--soft)}.samples{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;margin:8px 0 4px}.samples figure{margin:0}.samples img{width:100%;height:auto;border:1px solid var(--line);background:#fff;display:block}.samples figcaption{font-size:13px;color:var(--muted);margin-top:4px}.related li{margin:6px 0}.directory{background:var(--surface);border-top:1px solid var(--line);padding:26px 0 30px}.directory h2{font-size:20px;margin:0 0 12px}.dir-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px}.dir-grid a{display:flex;gap:10px;align-items:center;text-decoration:none;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:10px 12px;min-height:64px;height:100%;transition:border-color .15s,box-shadow .15s,transform .15s}.dir-grid a:hover{border-color:var(--brand);box-shadow:var(--shadow);transform:translateY(-1px)}.dir-grid img{width:44px;height:57px;border:1px solid var(--line);flex:none}.dir-grid b{display:block;font-size:15px}.dir-grid small{color:var(--muted);font-size:13px;line-height:1.35;display:block}.prose{max-width:760px;padding-top:22px;padding-bottom:40px}.prose h1{font-size:30px;line-height:1.25;margin:0 0 6px}.prose h2{font-size:21px;margin:26px 0 8px}.updated{color:var(--muted);font-size:14px;margin-top:0}.prose table{border-collapse:collapse;width:100%;display:block;overflow-x:auto}.prose th,.prose td{border:1px solid var(--line);padding:6px 10px;text-align:left}.footer{border-top:1px solid var(--line);background:var(--surface);padding:22px 0 30px;font-size:14px;color:var(--muted);text-align:center}.footer a{color:var(--muted);padding:8px 4px;display:inline-block}.footer__copy{margin:6px 0 0;font-size:13px}.tagline{margin:0;color:var(--muted);font-size:14px}#print-area{display:none}@media print{body>*:not(#print-area){display:none!important}#print-area{display:block}.print-sheet{break-after:page;page-break-after:always;overflow:hidden}.print-sheet:last-child{break-after:auto;page-break-after:auto}.print-sheet svg{display:block;max-width:none}html,body{margin:0;padding:0;background:#fff}}.langs{display:flex;gap:2px;flex-wrap:wrap;font-size:14px}.langs a,.langs span{padding:8px;min-height:40px;display:inline-flex;align-items:center;border-radius:8px;color:var(--muted);text-decoration:none}.langs span{color:var(--ink);font-weight:600}.langs a:hover{background:var(--soft);color:var(--ink)}.masthead nav.langs{margin-left:0}.tp-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:12px}.tp-status{font-size:14px;color:var(--muted)}.tp-controls{display:grid;gap:12px}.tp-controls fieldset{border:1px solid var(--line);border-radius:8px;padding:8px 12px 12px;margin:0;display:grid;gap:8px}.tp-controls legend{font-size:14px;font-weight:600;color:#344150;padding:0 4px}.tp-preview{display:grid;gap:16px;min-width:0}.tp-page{margin:0;width:100%;max-width:760px;background:#fff;box-shadow:0 2px 12px rgba(20,40,70,.16);border:1px solid var(--line)}.tp-page svg{display:block;width:100%;height:100%}.dot-panel{min-width:0}.dot-controls textarea{width:100%;box-sizing:border-box;min-height:110px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;font:inherit;resize:vertical}.dot-hint{margin:4px 0 0;font-size:13px;color:var(--muted)}.dot-truncated{margin:10px 0 0;font-size:14px;color:#b45309}.dot-truncated:empty{display:none}.dot-font{margin-top:18px;padding-top:14px;border-top:1px solid var(--line);display:grid;gap:8px}.dot-font h2{margin:0;font-size:17px}.dot-font .btn{text-align:center;text-decoration:none;display:block;box-sizing:border-box}.dot-font p{margin:0;font-size:13px;color:var(--muted)}.ln-chips,.sh-chips{display:flex;flex-wrap:wrap;gap:6px}.ln-chips .btn.chip,.sh-chips .btn.chip{min-height:40px;padding:6px 12px}.ln-chips .btn.chip[aria-pressed=true],.sh-chips .btn.chip[aria-pressed=true]{background:var(--brand);color:#fff;border-color:var(--brand)}.ln-panel,.sh-panel{min-width:0}.ln-panel .field--check,.sh-panel .field--check{min-height:40px;align-items:center}.cur-side{min-width:0}.cur-status,.cur-info{margin:10px 0 0;font-size:14px;color:var(--muted)}.cur-info:empty{display:none}.cur-controls textarea{width:100%;box-sizing:border-box;min-height:96px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;font:inherit;resize:vertical}.cur-side .tp-preview{margin-top:12px}.cur-controls [hidden],.cur-side [hidden]{display:none!important}.wd-panel,.bd-panel,.pk-panel{min-width:0}.wd-controls textarea,.bd-controls textarea{width:100%;box-sizing:border-box;min-height:90px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;font:inherit;resize:vertical}.wd-hint{margin:4px 0 0;font-size:13px;color:var(--muted)}.wd-note,.bd-note,.pk-note{margin:10px 0 0;font-size:14px;color:#b45309}.wd-note:empty,.bd-note:empty,.pk-note:empty{display:none}.wd-controls .field--check,.bd-controls .field--check,.pk-controls .field--check{min-height:40px;align-items:center}.wd-controls [hidden],.bd-controls [hidden],.pk-controls [hidden]{display:none!important}.wd-controls .btn,.bd-controls .btn.chip,.pk-controls .btn.chip{min-height:40px}.wd-controls fieldset>.btn{justify-self:start}.bd-chips{display:flex;flex-wrap:wrap;gap:6px}.bd-chips .btn.chip{padding:6px 12px}.bd-chips .btn.chip[aria-pressed=true]{background:var(--brand);color:#fff;border-color:var(--brand)}.bd-lab{font-size:14px;font-weight:600;color:#344150}.bd-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}.bd-block{border:1px solid var(--line);border-radius:8px;background:#fff;min-width:0}.bd-head{display:flex;flex-wrap:wrap;align-items:center;gap:4px;padding:4px}.bd-toggle{flex:1 1 100%;min-width:0;min-height:40px;display:grid;grid-template-columns:auto minmax(0,1fr);column-gap:8px;align-items:center;text-align:left;background:0 0;border:0;padding:4px 8px;font:inherit;color:var(--ink);cursor:pointer;border-radius:6px}.bd-toggle::before{content:"\25B8";color:var(--muted);grid-row:1/span 2}.bd-toggle[aria-expanded=true]::before{content:"\25BE"}.bd-toggle:hover{background:#f1f5f9}.bd-name{font-weight:600;grid-column:2}.bd-sum{grid-column:2;color:var(--muted);font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.bd-sum:empty{display:none}.bd-ico{margin-left:0;width:44px;min-height:40px;padding:0;text-align:center;flex:none}.bd-body{display:grid;gap:8px;padding:4px 10px 12px;border-top:1px solid var(--line)}.bd-empty{color:var(--muted);font-size:14px;padding:6px 2px}.pk-pages{display:grid;gap:0}.pk-all{display:flex;gap:6px}.pk-preview{grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:12px;align-items:start}.pk-preview .tp-page{max-width:none}.pk-empty{color:var(--muted)}.bd-toggle+.bd-ico{margin-left:auto}.wrap{max-width:var(--wrap,1180px)}.page-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:8px 48px;align-items:start}.page-grid>.guide,.page-grid>.prose{max-width:760px;width:100%;padding-top:0}.page-grid>.prose{padding-top:22px}@media(min-width:1100px){.page-grid{grid-template-columns:minmax(0,1fr)300px}.page-grid>.guide,.page-grid>.prose{max-width:none}.page-side{position:sticky;top:16px;max-height:calc(100vh - 32px);overflow-y:auto;padding-top:18px}}.page-side{display:grid;gap:16px;padding-bottom:28px;font-size:14.5px}.side-card{background:var(--surface,#fff);border:1px solid var(--line,#dfe5ec);border-radius:var(--radius,10px);padding:14px 16px}.side-title{margin:0 0 8px;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted,#5a6675)}.side-card ol,.side-card ul{list-style:none;margin:0;padding:0;display:grid;gap:2px}.side-card li a{display:block;padding:5px 8px;margin:0 -8px;border-radius:6px;color:var(--ink-2,var(--ink,#1d2733));text-decoration:none;line-height:1.35}.side-card li a:hover{background:var(--surface-2,var(--soft,#f4f7fa));color:var(--accent,var(--brand,#2c5d8f))}.side-toc li a{border-left:2px solid transparent;border-radius:0 6px 6px 0;margin-left:-16px;padding-left:14px}.side-toc li a:hover{border-left-color:var(--accent,var(--brand,#2c5d8f))}.side-all{display:inline-block;margin-top:8px;font-weight:600;text-decoration:none}.side-ad:empty{display:none}@media(max-width:1099px){.side-toc{display:none}}.home-tools .directory{background:0 0;border:0;padding:6px 0 22px}.home-tools .directory .wrap{padding:0;max-width:none}.guide h2[id],.prose h2[id]{scroll-margin-top:16px}