:root{--bg: #0b0d12;--bg2: #161b26;--panel: #141821;--line: #232a36;--fg: #f4f6fb;--muted: #8a93a6;--accent: #2ee6a6;--code-bg: #1d2330;--max: 720px}html[data-theme=light]{--bg: #ffffff;--bg2: #ffffff;--panel: #ffffff;--line: #e8ebf0;--fg: #1b1f29;--muted: #5c6470;--accent: #0a9c6c;--code-bg: #f1f3f5;color-scheme:light}html:not([data-theme=light]){color-scheme:dark}*{box-sizing:border-box}[hidden]{display:none!important}html{background:var(--bg)}body{margin:0;color:var(--fg);background:radial-gradient(1200px 700px at 50% -10%,var(--bg2) 0%,var(--bg) 60%);background-attachment:fixed;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Apple SD Gothic Neo,Malgun Gothic,sans-serif;line-height:1.75;font-size:17px}main{max-width:var(--max);margin:0 auto;padding:24px 20px 72px}body.wide-layout>main{max-width:none;padding:0}body.wide-layout>.site-footer{max-width:1440px}body.wide-layout .topbar-in{max-width:1440px}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.topbar-wrap{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}.topbar-in{max-width:var(--max);margin:0 auto;padding:12px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px}.topbar-right{display:flex;align-items:center;gap:14px}.theme-btn{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:var(--panel);color:var(--fg);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.15s;flex:0 0 auto}.theme-btn:hover{border-color:var(--accent);color:var(--accent)}.theme-btn svg{width:18px;height:18px}.lang-select{-webkit-appearance:none;appearance:none;background:var(--panel);color:var(--fg);border:1px solid var(--line);border-radius:10px;padding:8px 28px 8px 11px;font-size:13px;font-weight:600;cursor:pointer;flex:0 0 auto;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238a93a6' stroke-width='3'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 9px center}.lang-select:focus{outline:none;border-color:var(--accent)}.lang-select option{background:var(--panel);color:var(--fg)}.site-header .brand,.topbar-in .brand{display:flex;align-items:center;gap:10px;text-decoration:none}.topbar-in .brand:hover{text-decoration:none}.brand-mark{height:34px;width:auto;display:block}.wordmark{font-weight:800;font-size:18px;letter-spacing:-.3px}.wordmark b{font-weight:800;color:#cfe0f5}.wordmark .m{color:#7fb0e6}.wordmark .l{color:#a9cdf0}.wordmark i{font-style:normal;color:#cfe0f5;opacity:.5;margin:0 5px}html[data-theme=light] .wordmark b{color:#163b70}html[data-theme=light] .wordmark .m{color:#2f6fc0}html[data-theme=light] .wordmark .l{color:#5b9bd5}html[data-theme=light] .wordmark i{color:#163b70;opacity:.45}.ctrls{display:flex;align-items:center;gap:8px}.auth-nav-button{min-width:36px;height:36px;padding:0 10px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--muted);display:inline-flex;align-items:center;justify-content:center;gap:7px;font-size:13px;font-weight:700;line-height:1;text-decoration:none;transition:border-color .15s,color .15s,background .15s}.auth-nav-button:hover{border-color:var(--accent);color:var(--fg);text-decoration:none}.auth-nav-button.active{border-color:var(--accent);color:var(--accent)}.auth-nav-button.signed-in{color:var(--fg)}.auth-nav-button.signed-in svg{color:var(--accent)}.auth-nav-button svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}.site-nav{display:flex;gap:4px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:5px;flex-wrap:wrap}.site-nav a{color:var(--muted);font-size:13px;font-weight:700;text-decoration:none;padding:7px 13px;border-radius:8px;transition:.15s;white-space:nowrap}.site-nav a:hover{color:var(--fg);text-decoration:none}.site-nav a.active{background:var(--accent);color:#06140e}.hero{text-align:center;padding:28px 0 36px}.hero-mark{height:132px;width:auto;display:inline-block}.hero-word{font-weight:800;font-size:clamp(30px,6vw,44px);letter-spacing:-.5px;margin-top:12px}.hero-word b{color:#cfe0f5}.hero-word .m{color:#7fb0e6}.hero-word .l{color:#a9cdf0}.hero-word i{font-style:normal;color:#cfe0f5;opacity:.5;margin:0 8px}.hero-tag{color:var(--muted);font-size:16px;margin:8px 0 0;letter-spacing:2px}html[data-theme=light] .hero-word b{color:#163b70}html[data-theme=light] .hero-word .m{color:#2f6fc0}html[data-theme=light] .hero-word .l{color:#5b9bd5}html[data-theme=light] .hero-word i{color:#163b70;opacity:.45}.site-footer{max-width:var(--max);margin:0 auto;padding:24px 20px 48px;color:var(--muted);font-size:13px;border-top:1px solid var(--line);text-align:center}.site-footer .links{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-bottom:8px}.site-footer .links a{color:var(--muted);font-size:13px;font-weight:600}.site-footer .links a:hover{color:var(--accent);text-decoration:none}.site-footer .copy{color:var(--muted);font-size:12px}.prose h1{font-size:clamp(26px,5vw,34px);font-weight:800;margin:6px 0 18px;letter-spacing:-.5px}.prose ul{margin:0 0 16px 20px}.prose a{color:var(--accent)}.home-title{font-size:30px;font-weight:800;margin:8px 0 4px;letter-spacing:-.5px}.home-sub{color:var(--muted);margin:0 0 28px}.section-title{font-size:15px;font-weight:800;color:var(--muted);letter-spacing:.2px;margin:36px 0 14px}.tools,.tools .section-title{margin-top:8px}.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.tool-card{display:block;padding:18px;border:1px solid var(--line);border-radius:14px;color:inherit;background:var(--code-bg);transition:border-color .15s,transform .05s}.tool-card:hover{border-color:var(--accent);text-decoration:none;transform:translateY(-1px)}.tool-card h3{margin:0 0 6px;font-size:17px;font-weight:800}.tool-card p{margin:0;color:var(--muted);font-size:13.5px;line-height:1.6}@media(max-width:640px){.tool-grid{grid-template-columns:1fr}}.blog-layout{display:grid;grid-template-columns:190px 1fr;gap:28px;align-items:start}.cat-tree{position:sticky;top:70px}.cat-tree-title{font-size:12px;font-weight:800;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:10px;padding-left:10px}.cat-tree ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}.cat-tree a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 10px;border-radius:8px;color:var(--fg);font-size:14px;font-weight:600;text-decoration:none}.cat-tree a:hover{background:var(--code-bg);text-decoration:none}.cat-tree a.active{background:var(--accent);color:#06140e}.cat-tree .count{font-size:12px;font-weight:700;color:var(--muted);min-width:1.4em;text-align:center}.cat-tree a:hover .count{color:var(--fg)}.cat-tree a.active .count{color:#06140e;opacity:.75}@media(max-width:720px){.blog-layout{grid-template-columns:1fr;gap:14px}.cat-tree{position:static;border-bottom:1px solid var(--line);padding-bottom:12px}.cat-tree ul{flex-direction:row;flex-wrap:wrap;gap:6px}.cat-tree a{background:var(--code-bg)}}.post-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:6px}.post-list li a{display:block;padding:16px;border:1px solid var(--line);border-radius:12px;color:inherit}.post-list li a:hover{border-color:var(--accent);text-decoration:none}.post-list h2{margin:0 0 4px;font-size:19px;font-weight:700}.post-list .excerpt{margin:0 0 6px;color:var(--muted);font-size:15px}.post-meta{color:var(--muted);font-size:13px;margin:0}.post-header{margin-bottom:28px}.post-header h1{font-size:clamp(26px,5vw,36px);font-weight:800;line-height:1.3;margin:6px 0 10px;letter-spacing:-.5px}.post-header .cat{display:inline-block;font-size:13px;font-weight:700;color:var(--accent)}.tags{list-style:none;padding:0;margin:12px 0 0;display:flex;flex-wrap:wrap;gap:8px}.tags li a{font-size:13px;font-weight:600;color:var(--muted);background:var(--code-bg);padding:4px 10px;border-radius:999px}.prose h2{font-size:23px;font-weight:800;margin:40px 0 12px;letter-spacing:-.3px}.prose h3{font-size:18px;font-weight:700;margin:26px 0 8px}.prose p{margin:0 0 16px}.prose ul,.prose ol{margin:0 0 16px;padding-left:22px}.prose li{margin-bottom:6px}.prose strong{font-weight:700}.prose blockquote{margin:0 0 16px;padding:8px 16px;border-left:3px solid var(--accent);color:var(--muted)}.prose code{background:var(--code-bg);padding:2px 6px;border-radius:5px;font-size:.9em;font-family:SF Mono,ui-monospace,Menlo,Consolas,monospace}.prose pre{background:var(--code-bg);border:1px solid var(--line);border-radius:12px;padding:16px;overflow-x:auto;margin:0 0 16px}.prose pre code{background:none;padding:0;font-size:14px;line-height:1.6}.prose img{max-width:100%;height:auto;border-radius:12px;border:1px solid var(--line);background:#fff}.tag-cloud{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:10px}.tag-cloud a{font-weight:600;color:var(--muted);background:var(--code-bg);padding:6px 12px;border-radius:999px}.tag-cloud .count{color:var(--accent);font-size:12px}.account-shell{display:grid;grid-template-columns:minmax(0,240px) minmax(0,1fr);gap:36px;align-items:start;padding:34px 0 20px}.account-intro{position:sticky;top:94px}.account-eyebrow{margin:0 0 12px;color:var(--accent);font-family:SF Mono,ui-monospace,Menlo,Consolas,monospace;font-size:11px;font-weight:800;line-height:1.4;letter-spacing:0}.account-intro h1{margin:0;font-size:32px;font-weight:850;line-height:1.25;letter-spacing:0}.account-intro>p:not(.account-eyebrow){margin:16px 0 0;color:var(--muted);font-size:14px;line-height:1.7}.auth-steps{position:relative;list-style:none;margin:28px 0 0;padding:0;display:grid;gap:0}.auth-steps:before{content:"";position:absolute;left:14px;top:22px;bottom:22px;width:1px;background:var(--line)}.auth-steps li{position:relative;display:grid;grid-template-columns:29px 1fr;gap:12px;align-items:center;min-height:58px;color:var(--muted)}.auth-steps li>span{z-index:1;width:29px;height:29px;border:1px solid var(--line);border-radius:50%;background:var(--bg);display:grid;place-items:center;font:800 11px/1 SF Mono,ui-monospace,monospace}.auth-steps li.current>span{border-color:var(--accent);background:var(--accent);color:#06140e}.auth-steps b,.auth-steps small{display:block;letter-spacing:0}.auth-steps b{color:var(--fg);font-size:13px;line-height:1.4}.auth-steps small{margin-top:2px;font-size:11px;line-height:1.4}.auth-panel{min-height:510px;padding:28px;border:1px solid var(--line);border-radius:8px;background:var(--panel);box-shadow:0 18px 45px #00000029}html[data-theme=light] .auth-panel{box-shadow:0 18px 45px #14233714}.auth-tabs{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--line);margin:-4px 0 26px}.auth-tabs button{position:relative;appearance:none;border:0;background:transparent;color:var(--muted);padding:10px 8px 13px;font:inherit;font-size:14px;font-weight:750;cursor:pointer}.auth-tabs button:after{content:"";position:absolute;left:18px;right:18px;bottom:-1px;height:2px;background:transparent}.auth-tabs button.active{color:var(--fg)}.auth-tabs button.active:after{background:var(--accent)}.auth-heading{margin-bottom:22px}.auth-heading h2,.auth-result h2,.auth-setup h2{margin:0 0 6px;font-size:23px;line-height:1.35;letter-spacing:0}.auth-heading p,.auth-result>p,.auth-setup p{margin:0;color:var(--muted);font-size:14px;line-height:1.65}.auth-form{display:grid;gap:15px}.auth-form label:not(.auth-agree){display:grid;gap:6px}.auth-form label>span:first-child{color:var(--fg);font-size:12px;font-weight:750;line-height:1.4}.auth-form input[type=text],.auth-form input[type=email],.auth-form input[type=password],.auth-form input[type=date]{width:100%;height:44px;border:1px solid var(--line);border-radius:6px;outline:0;background:var(--bg);color:var(--fg);padding:0 12px;font:inherit;font-size:14px;letter-spacing:0;transition:border-color .15s,box-shadow .15s}.auth-field-help{color:var(--muted);font-size:.76rem;font-weight:500;line-height:1.45}.auth-form input::placeholder{color:var(--muted);opacity:.75}.auth-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 18%,transparent)}.auth-agree{display:grid;grid-template-columns:17px 1fr;gap:9px;align-items:start;color:var(--muted);font-size:12px;line-height:1.55;cursor:pointer}.auth-agree input{width:17px;height:17px;margin:1px 0 0;accent-color:var(--accent)}.auth-agree a{font-weight:700}.auth-agree strong{color:var(--accent);font-weight:700}.auth-primary,.auth-secondary,.auth-link-button{width:100%;min-height:44px;border-radius:6px;padding:10px 14px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-size:14px;font-weight:800;line-height:1.3;cursor:pointer;text-decoration:none;transition:filter .15s,border-color .15s,color .15s}.auth-primary{border:1px solid var(--accent);background:var(--accent);color:#06140e}.auth-primary:hover{filter:brightness(1.06);text-decoration:none}.auth-primary svg,.auth-link-button svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.auth-secondary{margin-top:10px;border:1px solid var(--line);background:transparent;color:var(--fg)}.auth-secondary:hover{border-color:var(--accent);color:var(--accent)}.auth-primary:disabled,.auth-secondary:disabled,.auth-text-button:disabled{cursor:wait;opacity:.65}.auth-text-button{appearance:none;width:fit-content;border:0;background:transparent;color:var(--muted);padding:0;font:inherit;font-size:12px;font-weight:700;line-height:1.5;cursor:pointer}.auth-text-button:hover{color:var(--accent)}.auth-message{min-height:0;margin:-3px 0 0;color:var(--muted);font-size:12px;line-height:1.55}.auth-message:empty{display:none}.auth-message.error{color:#ff786f}.auth-message.success{color:var(--accent)}html[data-theme=light] .auth-message.error{color:#b52822}.auth-loading{min-height:450px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;color:var(--muted);text-align:center}.auth-loading span{width:24px;height:24px;border:2px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:auth-spin .8s linear infinite}.auth-loading p{margin:0;font-size:13px}@keyframes auth-spin{to{transform:rotate(360deg)}}.auth-result,.auth-setup{min-height:450px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.auth-result .account-eyebrow{margin-top:20px;margin-bottom:8px}.auth-result>p{max-width:330px}.auth-result strong{color:var(--fg);overflow-wrap:anywhere}.auth-result .auth-help{margin-top:9px;font-size:12px}.auth-result .auth-message{margin:14px 0 0}.auth-result .auth-primary{margin-top:24px}.auth-result .auth-text-button{margin-top:13px}.auth-mail-mark,.auth-status-mark{width:64px;height:64px;border:1px solid color-mix(in srgb,var(--accent) 58%,var(--line));border-radius:50%;background:color-mix(in srgb,var(--accent) 10%,var(--panel));color:var(--accent);display:grid;place-items:center}.auth-mail-mark svg{width:34px;height:34px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.auth-status-mark{font:850 26px/1 SF Mono,ui-monospace,monospace}.auth-status-mark:not(.success){border-color:#f4c95d;background:color-mix(in srgb,#f4c95d 10%,var(--panel));color:#f4c95d}html[data-theme=light] .auth-status-mark:not(.success){color:#9a6c00}.auth-setup p{max-width:330px;margin-bottom:18px}.auth-setup h2{margin-top:18px}.auth-setup code{width:100%;margin-top:8px;border:1px solid var(--line);border-radius:5px;background:var(--bg);color:var(--muted);padding:7px 9px;font-size:11px;overflow-wrap:anywhere}.member-avatar{width:64px;height:64px;border:1px solid color-mix(in srgb,#7fb0e6 65%,var(--line));border-radius:50%;background:color-mix(in srgb,#7fb0e6 16%,var(--panel));color:#a9cdf0;display:grid;place-items:center;font-size:25px;font-weight:850;line-height:1}html[data-theme=light] .member-avatar{color:#245b9a}.member-details{width:100%;margin:24px 0 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.member-details div{min-height:46px;padding:9px 0;display:grid;grid-template-columns:76px 1fr;align-items:center;gap:12px;text-align:left}.member-details div+div{border-top:1px solid var(--line)}.member-details dt{color:var(--muted);font-size:12px;font-weight:700}.member-details dd{margin:0;color:var(--fg);font-size:13px;font-weight:700;overflow-wrap:anywhere}.verified-badge{display:inline-flex;align-items:center;min-height:24px;border-radius:4px;background:color-mix(in srgb,var(--accent) 12%,var(--panel));color:var(--accent);padding:3px 8px;font-size:11px;line-height:1}.member-grade{display:inline-flex;align-items:center;min-height:24px;padding:3px 8px;border:1px solid var(--line);border-radius:4px;background:var(--panel);color:var(--muted);font-size:11px;line-height:1}.member-grade.grade-member{border-color:#34d399;color:#20a878}.member-grade.grade-plus{border-color:#38bdf8;color:#38bdf8}.member-grade.grade-premium{border-color:#fbbf24;color:#d39400}.member-grade.grade-admin{border-color:#fb7185;color:#fb7185}.auth-admin-link{margin-top:18px}.auth-admin-link+.auth-primary{margin-top:10px}html[data-theme=light] .member-grade.grade-plus{color:#0879ac}html[data-theme=light] .member-grade.grade-admin{color:#c93853}#authRecovery .auth-form{width:100%;margin-top:22px;text-align:left}@media(prefers-reduced-motion:reduce){.auth-loading span{animation:none}}@media(max-width:680px){.topbar-in{flex-wrap:wrap;gap:8px}.site-nav{width:100%;flex-wrap:nowrap;overflow-x:auto}.ctrls{width:100%;justify-content:flex-end}.account-shell{grid-template-columns:1fr;gap:24px;padding-top:16px}.account-intro{position:static}.auth-steps{grid-template-columns:repeat(3,1fr);margin-top:22px}.auth-steps:before{inset:14px 15% auto;width:auto;height:1px}.auth-steps li{grid-template-columns:1fr;justify-items:center;align-items:start;gap:7px;text-align:center}.auth-steps li>div{min-width:0}.auth-panel{min-height:0}}@media(max-width:420px){main{padding-left:14px;padding-right:14px}.topbar-in{padding-left:14px;padding-right:14px}.site-nav a{padding-left:10px;padding-right:10px}.site-nav a:first-child b{display:none}.auth-panel{padding:22px 18px}.auth-nav-button span{max-width:90px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}}