@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=Inter:wght@400;500;600;700;800&family=Noto+Sans+Thai:wght@400;500;600&display=swap');
:root{font-family:Inter,'Noto Sans Thai',sans-serif;color:#202938;background:#f5f7fa;font-synthesis:none;--surface:#fff;--text:#202938;--muted:#7c8797;--border:#e4e8ee;--code:#fafbfe;--blue:#2563eb}*{box-sizing:border-box}body{margin:0}button,a,input{ -webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;color:inherit}button:focus-visible,a:focus-visible,textarea:focus-visible{outline:2px solid var(--blue);outline-offset:3px}button{border:0;background:none}a{color:var(--blue)}.site-header{height:76px;padding:0 5%;display:flex;align-items:center;border-bottom:1px solid var(--border);background:var(--surface);gap:58px}.brand{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:800;letter-spacing:-.7px;color:var(--text);text-decoration:none}.brand-dot{color:var(--blue)}.logo{background:var(--blue);color:white;width:30px;height:30px;border-radius:8px;font-size:23px;text-align:center;line-height:28px;letter-spacing:-2px;padding-right:3px}.site-header nav{display:flex;align-self:stretch;gap:30px;align-items:center;font-size:14px;font-weight:500}.site-header nav a{text-decoration:none}.site-header nav .active{height:100%;display:flex;align-items:center;border-bottom:2px solid var(--blue)}.site-header nav button{color:var(--muted);padding:0}.theme-button{margin-left:auto;border:1px solid var(--border);width:36px;height:36px;border-radius:9px;font-size:22px}main{max-width:1600px;margin:auto;padding:43px 5% 22px}.intro{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:28px}.eyebrow{font-size:11px;font-weight:700;letter-spacing:1.8px;color:var(--blue);margin-bottom:12px}h1{font-size:34px;letter-spacing:-1.4px;margin:0;font-weight:700}h1 span{color:var(--blue)}.intro p{color:var(--muted);font-size:15px;margin:10px 0 0}.local-note{font-size:12px;color:var(--muted);padding-bottom:2px}.shield{color:#6a7f9e;font-size:19px;margin-right:5px}.workspace{border:1px solid var(--border);background:var(--surface);border-radius:12px;overflow:hidden;box-shadow:0 6px 26px #1e3a5f05}.toolbar{height:58px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 22px;gap:12px}.file-label{display:flex;gap:10px;align-items:center;font-size:13px;font-weight:500;min-width:0}.file-label #filename{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-icon{font:bold 11px 'IBM Plex Mono',monospace;border:1px solid #cfd7e4;border-radius:4px;padding:3px;color:#64748b}.actions{display:flex;align-items:center;gap:4px;flex-shrink:0}.actions button{font-size:14px;padding:8px 10px;color:#5e6a7b;border-radius:6px}.actions button:hover{background:#eef4ff;color:var(--blue)}.actions button span{margin-left:5px;font-size:12px;font-weight:500}.separator{height:18px;border-left:1px solid var(--border);margin:0 6px}.panels{display:grid;grid-template-columns:1fr 1fr}.panel{min-width:0}.source{border-right:1px solid var(--border);background:var(--code)}.panel-label{height:43px;padding:0 22px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);font-size:10px;font-weight:700;letter-spacing:1.25px;color:#78869a}.panel-hint{font-size:10px;font-weight:400;letter-spacing:0;color:#a0aaba}.live{font-size:10px;letter-spacing:0;font-weight:400;display:flex;gap:6px;align-items:center}.live i{width:5px;height:5px;border-radius:50%;background:#24a67e}.code-area{height:max(450px,calc(100vh - 390px));min-height:450px;display:flex;position:relative;overflow:hidden}#lines{font:13px/1.85 'IBM Plex Mono',monospace;color:#b1bac8;text-align:right;padding:28px 13px 28px 18px;white-space:pre;user-select:none;min-width:48px}textarea{resize:none;flex:1;min-width:0;height:100%;padding:28px 22px 28px 2px;border:0;outline:none;background:transparent;color:#485771;font:13px/1.85 'IBM Plex Mono','Noto Sans Thai',monospace;white-space:pre;overflow:auto;tab-size:2}#preview{height:max(450px,calc(100vh - 390px));min-height:450px;overflow:auto;padding:27px 34px 50px;font-size:15px;line-height:1.8;overflow-wrap:anywhere}#preview>:first-child{margin-top:0}#preview h1{font-size:29px;letter-spacing:-.8px;padding-bottom:15px;border-bottom:1px solid var(--border)}#preview h2{font-size:21px;margin:27px 0 12px;letter-spacing:-.4px}#preview h3{font-size:18px}#preview p{margin:13px 0}#preview strong{font-weight:600}#preview blockquote{margin:22px 0;padding:10px 18px;border-left:3px solid var(--blue);background:#f3f7ff;color:#63738c;border-radius:0 5px 5px 0}#preview blockquote p{margin:0}#preview pre{background:#f5f7fb;border:1px solid var(--border);border-radius:7px;padding:17px 20px;overflow:auto;font-size:12px;line-height:1.7}code{font-family:'IBM Plex Mono',monospace}#preview :not(pre)>code{background:#edf2f9;padding:2px 5px;border-radius:4px;color:#3561a0;font-size:12px}#preview ul,#preview ol{padding-left:23px}#preview li{padding-left:4px;margin:5px 0}#preview img{max-width:100%}table{border-collapse:collapse;width:100%;font-size:14px}th,td{border:1px solid var(--border);padding:9px 12px;text-align:left}th{background:var(--code)}.statusbar{height:40px;display:flex;gap:10px;align-items:center;justify-content:space-between;border-top:1px solid var(--border);padding:0 22px;color:var(--muted);font-size:10px}.status-divider{padding:0 10px;color:#c7cfda}.statusbar label{display:flex;align-items:center;gap:6px;cursor:pointer}.statusbar input{accent-color:var(--blue);width:12px;height:12px}footer{display:flex;justify-content:space-between;margin-top:21px;font-size:11px;color:#9aa4b3}.footer-dot{margin:0 8px}.mobile-tabs{display:none}dialog{max-width:600px;width:calc(100% - 32px);border:1px solid var(--border);border-radius:14px;padding:28px;background:var(--surface);color:var(--text)}dialog::backdrop{background:#10203a60}.dialog-top{display:flex;align-items:center;justify-content:space-between}.dialog-top h2{margin:0;font-size:23px}dialog p{color:var(--muted);font-size:14px}dialog td code{font-size:12px}#toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);padding:12px 20px;border-radius:9px;background:#1d2e48;color:white;font-size:14px;opacity:0;pointer-events:none;transition:opacity .2s}#toast.show{opacity:1}body.dark{background:#111722;--surface:#192231;--text:#e4eaf4;--muted:#9aa8bc;--border:#2c384c;--code:#151e2c}body.dark textarea{color:#c0cce0}body.dark #preview blockquote,body.dark #preview pre,body.dark #preview :not(pre)>code{background:#202e44;color:#c1d2ef}body.dark .actions button{color:#aab8cd}body.dark .actions button:hover{background:#243754}body.dark .file-icon{border-color:#45536c;color:#aab8cd}
@media(min-width:1500px){main{padding-top:52px}.intro{margin-bottom:34px}}@media(max-width:800px){.site-header{padding:0 22px;gap:30px}.site-header nav{gap:19px;font-size:12px}main{padding:28px 20px}.intro{align-items:start}.local-note{display:none}h1{font-size:28px}.toolbar{padding:0 14px}.actions{gap:0}.actions button{padding:8px}.actions button span{display:none}.panel-hint,.live{display:none}#preview{padding:24px}.statusbar{padding:0 14px}}@media(max-width:600px){.site-header{height:64px;padding:0 16px;gap:20px}.brand{font-size:18px}.site-header nav{gap:16px}.theme-button{width:30px;height:30px}.site-header nav button{font-size:11px}main{padding:26px 14px}.eyebrow{font-size:10px}h1{font-size:26px}.intro{margin-bottom:22px}.mobile-tabs{display:flex;border-bottom:1px solid var(--border);padding:0 14px;gap:20px}.mobile-tabs button{font-size:13px;padding:12px 3px;color:var(--muted)}.mobile-tabs .selected{color:var(--blue);border-bottom:2px solid var(--blue)}.panels{display:block}.panel-label{display:none}.source{border:0}.result{display:none}body.preview-only .source{display:none}body.preview-only .result{display:block}.code-area,#preview{height:58vh;min-height:380px}.statusbar #saved{display:none}footer{font-size:10px;gap:20px}footer>span:first-child{max-width:170px}.separator{margin:0 3px}}
@media print{body{background:white;color:black}.site-header,.intro,.toolbar,.source,.panel-label,.statusbar,footer,.mobile-tabs,dialog,#toast{display:none!important}main{padding:0;max-width:none}.workspace{border:0;box-shadow:none}.panels{display:block}.result{display:block!important}#preview{height:auto;overflow:visible;padding:0;font-size:12pt}.result pre{white-space:pre-wrap}#preview h1{font-size:24pt}#preview h2{break-after:avoid}}
.article-page{min-height:100vh;display:flex;flex-direction:column}.article-shell{display:block;max-width:850px;padding:52px 24px 70px;flex:1}.article-shell article{font-family:'Noto Sans Thai',Inter,sans-serif;font-size:17px;line-height:1.85}.article-shell h1{font-size:38px;line-height:1.25;margin:0 0 18px}.article-shell h2{font-size:25px;line-height:1.4;margin:45px 0 12px}.article-shell p{margin:14px 0}.article-kicker{font:700 11px Inter,sans-serif!important;color:var(--blue);letter-spacing:1.5px;text-transform:uppercase;margin-bottom:10px!important}.article-lead{color:#58687d;font-size:19px;line-height:1.75}.article-toc{display:flex;gap:8px;flex-wrap:wrap;margin:28px 0 36px;padding:14px;border:1px solid var(--border);border-radius:8px}.article-toc a{font:500 13px Inter,sans-serif;padding:4px 8px;border-radius:5px;text-decoration:none;background:#f1f5fb}.article-shell pre{overflow:auto;background:#f3f6fa;border:1px solid var(--border);border-radius:7px;padding:17px 20px;font:13px/1.75 'IBM Plex Mono',monospace}.article-shell code{font-family:'IBM Plex Mono',monospace;background:#edf2f9;border-radius:4px;padding:2px 4px;font-size:.85em}.article-shell pre code{padding:0;background:transparent}.article-shell table{margin:18px 0}.article-shell th,.article-shell td{padding:10px 12px}.article-shell details{border-bottom:1px solid var(--border);padding:14px 0}.article-shell summary{font-weight:600;cursor:pointer}.article-cta{margin-top:38px!important}.article-cta a{display:inline-block;background:var(--blue);color:#fff;padding:11px 17px;border-radius:7px;text-decoration:none;font:600 14px Inter,sans-serif}.article-footer{display:flex;gap:20px;justify-content:center;border-top:1px solid var(--border);padding:18px;font-size:12px}.article-footer a{text-decoration:none}.dark .article-shell,.dark .article-page{background:#111722}.dark .article-lead{color:#b5c0d0}.dark .article-shell pre,.dark .article-shell code{background:#202e44}.dark .article-toc a{background:#202e44}.dark .article-footer{background:#192231}@media(max-width:600px){.article-shell{padding:34px 18px 50px}.article-shell h1{font-size:30px}.article-shell h2{font-size:22px;margin-top:34px}.article-shell article{font-size:16px}.article-lead{font-size:17px}.article-page .site-header{height:52px}.article-page .site-header nav{font-size:11px;gap:13px}.article-page .source-link{display:none}.article-footer{justify-content:flex-start;padding:16px;gap:14px}}
footer a{color:inherit;text-underline-offset:3px}.source-link{color:var(--muted)!important}@media(max-width:600px){.source-link{display:none}.site-header{gap:16px}}
/* Keep the working surface dominant at every viewport size. */
@media screen{
body{height:100dvh;min-height:360px;display:flex;flex-direction:column}
.site-header{height:48px;flex-shrink:0;padding:0 16px;gap:32px}
.brand{font-size:18px;gap:8px}.logo{width:25px;height:25px;font-size:20px;line-height:24px;border-radius:6px}
.theme-button{width:30px;height:30px;font-size:20px}
main{width:100%;max-width:none;margin:0;padding:8px 12px;flex:1;min-height:0;display:flex;flex-direction:column}
.intro{align-items:center;flex-shrink:0;margin:0 0 8px;height:26px}
.eyebrow,.intro p{display:none}.intro h1{font-size:16px;letter-spacing:-.3px}.local-note{font-size:11px;padding:0}.shield{font-size:15px}
.title-with-info{display:flex;align-items:center;gap:8px}.info-icon{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border:1px solid #b9c5d6;border-radius:50%;color:var(--blue);font:700 12px/1 Inter,sans-serif;text-decoration:none;background:var(--surface)}.info-icon:hover{background:#eef4ff;border-color:#8eaae0}.dark .info-icon:hover{background:#243754}
.workspace{flex:1;min-height:0;display:flex;flex-direction:column;border-radius:8px}
.toolbar{height:42px;flex-shrink:0;padding:0 14px}.actions button{padding:6px 9px}
.panels{flex:1;min-height:0}.panel{display:flex;flex-direction:column;min-height:0}
.panel-label{height:30px;flex-shrink:0;padding:0 14px}
.code-area,#preview{height:auto;min-height:0;flex:1}
#lines{padding:16px 11px 16px 12px;min-width:40px}textarea{padding:16px 16px 16px 2px}#preview{padding:16px 24px 28px}
.statusbar{height:28px;flex-shrink:0;padding:0 14px}
footer{margin-top:6px;font-size:10px;flex-shrink:0;line-height:14px}
@media(max-width:600px){.site-header{height:46px;gap:16px;padding:0 12px}.site-header nav{gap:12px}main{padding:6px}.intro{height:24px;margin-bottom:6px}.intro h1{font-size:14px}.toolbar{height:40px;padding:0 10px}.actions button{padding:7px}.mobile-tabs{flex-shrink:0;padding:0 10px}.mobile-tabs button{padding:8px 3px}.panels{display:flex;flex-direction:column}.source{flex:1}.result{display:none;flex:1}body.preview-only .source{display:none}body.preview-only .result{display:flex}.panel-label{display:none}#preview{padding:16px}footer>span:first-child{max-width:none}.statusbar{padding:0 10px}footer{gap:8px;font-size:9px}}
}
.app-link{color:#0f5bd4!important;font-weight:600}@media(max-width:600px){.site-header nav{min-width:0;overflow-x:auto;scrollbar-width:none;white-space:nowrap}.site-header nav::-webkit-scrollbar{display:none}.site-header nav>*{flex-shrink:0}.article-page .site-header nav{overflow-x:auto}.article-page .site-header .brand{flex-shrink:0}}
.help-menu{position:relative;height:100%;display:flex;align-items:center}.help-menu summary{list-style:none;cursor:pointer;color:var(--muted);font-size:14px}.help-menu summary::-webkit-details-marker{display:none}.help-menu summary::after{content:'⌄';margin-left:6px;font-size:11px}.help-menu[open] summary{color:var(--blue)}.help-menu>div{position:absolute;z-index:20;top:43px;right:0;display:grid;min-width:220px;padding:7px;background:var(--surface);border:1px solid var(--border);border-radius:9px;box-shadow:0 12px 30px #17233b1f}.help-menu>div a{padding:9px 10px;border-radius:6px;color:var(--text);font-size:13px;text-decoration:none}.help-menu>div a:hover,.help-menu>div a.active{background:#eef4ff;color:var(--blue)}.crawler-links{display:grid;gap:8px;margin-top:42px;padding-top:25px;border-top:1px solid var(--border)}.crawler-links h2{margin:0 0 5px}.crawler-links a{width:max-content}.dark .help-menu>div{background:var(--surface)}.dark .help-menu>div a:hover,.dark .help-menu>div a.active{background:#243754}@media(max-width:600px){.help-menu summary{font-size:12px}.help-menu>div{position:fixed;top:48px;right:8px;left:8px}.article-page .help-menu>div{top:52px}}
.tool-page{min-height:100vh}.password-shell{display:block;max-width:1100px;padding:36px 24px 64px}.password-intro{margin-bottom:22px}.password-intro h1{font-size:34px}.password-intro h1 span{color:var(--blue)}.password-intro>p:last-child{color:var(--muted);margin:8px 0 0}.password-app{display:grid;grid-template-columns:330px 1fr;background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:hidden;box-shadow:0 8px 30px #1e3a5f0a}.password-app form{padding:24px;border-right:1px solid var(--border);background:var(--code)}.password-fields{display:grid;grid-template-columns:1fr 100px;gap:18px}.password-app label,.password-app legend{font-size:13px;font-weight:600}.password-app input[type=range]{display:block;width:100%;margin-top:14px;accent-color:var(--blue)}.password-app input[type=number]{display:block;width:100%;margin-top:7px;padding:9px;border:1px solid var(--border);border-radius:6px;background:var(--surface);color:var(--text)}.password-app fieldset{display:grid;grid-template-columns:1fr 1fr;gap:13px;border:0;padding:24px 0;margin:0}.password-app fieldset legend{margin-bottom:14px}.password-app fieldset label{font-weight:400}.password-app input[type=checkbox]{accent-color:var(--blue);margin-right:6px}.password-actions{display:flex;gap:8px}.password-actions button{padding:10px 13px;border:1px solid var(--border);border-radius:7px;background:var(--surface);font-size:13px;font-weight:600}.password-actions .primary-action{background:var(--blue);border-color:var(--blue);color:white}.password-actions button:hover{filter:brightness(.97)}#password-error{min-height:20px;color:#c53030;font-size:12px}.password-results{min-width:0;padding:18px 22px}.results-head{display:flex;justify-content:space-between;align-items:center;padding:0 2px 13px;color:var(--muted);font-size:11px}.results-head strong{color:var(--text);font-size:13px}#password-list{list-style:none;padding:0;margin:0;display:grid;gap:7px;max-height:520px;overflow:auto}#password-list li{display:flex;align-items:center;gap:10px;padding:9px 10px;background:var(--code);border:1px solid var(--border);border-radius:7px}#password-list code{flex:1;min-width:0;overflow:auto;white-space:nowrap;font-size:13px;color:#324765}#password-list button{padding:5px 8px;color:var(--blue);font-size:12px;font-weight:600}.password-seo{max-width:720px;margin-top:34px;font-size:15px;line-height:1.75}.password-seo h2{font-size:21px}.dark #password-list code{color:#c6d4e9}@media(max-width:760px){.password-shell{padding:26px 12px 45px}.password-intro h1{font-size:28px}.password-app{grid-template-columns:1fr}.password-app form{border-right:0;border-bottom:1px solid var(--border)}.password-results{padding:14px}.results-head span{display:none}}@media(max-width:430px){.password-fields{grid-template-columns:1fr 86px}.password-app fieldset{grid-template-columns:1fr}.password-actions{display:grid}.tool-page .site-header nav{overflow-x:auto;white-space:nowrap}.tool-page .site-header nav>*{flex-shrink:0}}
.password-shell{padding-top:14px;padding-bottom:28px}.password-intro{margin-bottom:10px}.password-intro h1{font-size:27px}.password-intro>p:last-child{margin-top:3px;font-size:13px}.password-app form{padding:15px 17px}.password-app fieldset{padding:14px 0;gap:9px}.password-app fieldset legend{margin-bottom:9px}.password-app input[type=range]{margin-top:8px}.password-results{padding:12px 16px}.results-head{padding-bottom:8px}#password-list{gap:5px;max-height:440px}#password-list li{padding:6px 9px}.password-seo{margin-top:18px;font-size:13px}.password-seo h2{font-size:18px;margin-bottom:5px}.password-actions{flex-wrap:wrap}.password-actions button{padding:8px 10px}
.password-intro{display:flex;align-items:baseline;gap:12px}.password-intro .article-kicker{display:none}.password-intro h1{white-space:nowrap}.password-intro>p:last-child{margin:0}@media(max-width:560px){.password-intro>p:last-child{display:none}}

/* Quill uses the same document surface and theme as the other tools. */
.rich-editor-wrap{display:flex;flex-direction:column;flex:1;min-height:0}.rich-text-page .ql-toolbar.ql-snow{border:0;border-bottom:1px solid var(--border);background:var(--code);padding:9px 14px;flex-shrink:0;font-family:inherit}.rich-text-page .ql-container.ql-snow{border:0;flex:1;min-height:0;font:16px/1.75 Inter,'Noto Sans Thai',sans-serif;color:var(--text)}.rich-text-page .ql-editor{padding:24px 36px}.rich-text-page .ql-editor.ql-blank::before{color:var(--muted);left:36px}.rich-text-page .ql-snow .ql-picker{color:var(--text)}.rich-text-page .ql-snow .ql-stroke{stroke:var(--text)}.rich-text-page .ql-snow .ql-fill{fill:var(--text)}.rich-text-page .ql-snow .ql-picker-options,.rich-text-page .ql-snow .ql-tooltip{background:var(--surface);color:var(--text);border-color:var(--border)}.rich-text-page .ql-tooltip input{background:var(--surface);color:var(--text)}.rich-text-page .ql-snow .ql-editor .ql-code-block-container{background:var(--code);color:var(--text)}.rich-text-page .ql-snow .ql-picker-label:focus-visible,.rich-text-page .ql-editor:focus-visible{outline:2px solid var(--blue);outline-offset:-2px}@media(max-width:600px){.rich-text-page .ql-editor{padding:18px}.rich-text-page .ql-toolbar.ql-snow{padding:6px}.rich-text-page .ql-toolbar .ql-formats{margin-right:7px;margin-bottom:4px}.rich-text-page .ql-editor.ql-blank::before{left:18px}}@media print{.rich-text-page .ql-toolbar{display:none!important}.rich-text-page .rich-editor-wrap,.rich-text-page .ql-container,.rich-text-page .ql-editor{height:auto;overflow:visible}.rich-text-page .ql-editor{padding:0;color:black}.rich-text-page .ql-tooltip{display:none!important}}
.rich-text-page{color:var(--text)}.rich-text-page .ql-snow .ql-tooltip{left:12px!important;max-width:calc(100vw - 48px);white-space:normal}.rich-text-page .ql-snow .ql-tooltip input{max-width:150px}