:root,[data-theme=light]{--bg:#fdfdfd;--fg:#282728;--acc:#006cac;--muted:#e6e6e6;--mfg:#6b7280;--line:#ece9e9}
[data-theme=dark]{--bg:#212737;--fg:#eaedf3;--acc:#ff6b01;--muted:#343f60;--mfg:#afb9ca;--line:#ab4b08}
*{box-sizing:border-box;border-color:var(--line)}html{background:var(--bg);color:var(--fg)}
body{margin:0;min-height:100vh;display:flex;flex-direction:column;font:16px/1.75 ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,"PingFang SC","Noto Sans SC",monospace;-webkit-font-smoothing:antialiased}
::selection{background:var(--acc);color:#fff}a{color:inherit}
.app{max-width:48rem;width:100%;margin:0 auto;padding:0 1rem}
header .bar{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:1.5rem 0}
.brand{font-size:1.5rem;font-weight:600;text-decoration:none;line-height:1}
nav{display:flex;align-items:center;gap:1.25rem}nav a{font-weight:500;text-decoration:none;padding:.25rem .5rem}nav a:hover,.tbtn:hover{color:var(--acc)}
.on{text-decoration:underline wavy 2px;text-underline-offset:8px}
.tbtn{background:none;border:0;color:inherit;padding:.25rem;cursor:pointer;display:flex}.tbtn svg{width:22px;height:22px}
main{flex:1}#hero{border-bottom:1px solid var(--line);padding:2rem 0 1.5rem}
#hero h1{font-size:2.25rem;font-weight:700;margin:1rem 0}@media(min-width:640px){#hero h1{font-size:3rem;margin:2rem 0}}
h2.sec{font-size:1.5rem;font-weight:600;letter-spacing:.025em;margin:0}section.list{padding:3rem 0 1.5rem}
ul.posts{list-style:none;padding:0;margin:0}ul.posts li{margin:1.5rem 0}
ul.posts a{color:var(--acc);font-size:1.125rem;font-weight:500;text-decoration:none;text-underline-offset:4px;text-decoration-style:dashed}
ul.posts a:hover{text-decoration-line:underline}ul.posts h3{margin:0;font-size:inherit;font-weight:inherit}ul.posts p{margin:.25rem 0 0}
.dt{display:flex;align-items:center;gap:.5rem;color:var(--mfg);font-size:.875rem}.dt svg{width:20px;height:20px;flex:none}
.back{display:inline-flex;gap:.25rem;margin:2rem 0 .5rem;text-decoration:none}.back:hover{color:var(--acc)}
article h1.t{color:var(--acc);font-size:1.875rem;font-weight:600;line-height:1.3;margin:0 0 .5rem}
.prose{margin-top:2rem}.prose h2,.prose h3,.prose h4{margin:2rem 0 .75rem;line-height:1.4}.prose h3{font-style:italic}
.prose a{text-decoration:underline dashed;text-underline-offset:4px}.prose a:hover{color:var(--acc)}
.prose li::marker{color:var(--acc)}.prose blockquote{margin:1.5rem 0;padding-inline-start:1rem;border-inline-start:4px solid var(--acc);opacity:.8}
.prose code{background:color-mix(in srgb,var(--muted) 75%,transparent);border-radius:.25rem;padding:.15rem .3rem;font-size:.9em}
.prose pre{border:1px solid var(--line);padding:1rem;overflow:auto;background:color-mix(in srgb,var(--muted) 40%,transparent)}.prose pre code{background:none;padding:0}
.prose img{max-width:100%;display:block;margin:0 auto;border:1px solid var(--line)}.prose figcaption{opacity:.75;text-align:center;font-size:.875rem}
.prose hr{border:0;border-top:1px solid var(--line)}
footer .bar{border-top:1px solid var(--line);padding:1.5rem 0;margin-top:3rem;text-align:center;font-size:.875rem;color:var(--mfg)}