/* Layout */
body{display:flex;flex-direction:column;padding:0 1rem;font-size:1rem;line-height:1.7}

/* Header */
#bar{position:fixed;top:1rem;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:.75rem;padding:.5rem .75rem .5rem 1rem;background:var(--sf);border:1px solid var(--bd);border-radius:2rem;z-index:99;transition:transform .3s,opacity .3s;will-change:transform}
#bar.hide{transform:translateX(-50%) translateY(-150%);opacity:0}
#bar a{font-weight:700;font-size:1.125rem}
#bar button{display:flex;align-items:center;justify-content:center;width:2rem;height:2rem;background:0;border:0;color:var(--mt);cursor:pointer;border-radius:50%;transition:background .15s,color .15s}
#bar button:hover{background:var(--bd);color:var(--tx)}

/* Dialogs */
dialog{position:fixed;inset:0;width:100%;max-width:24rem;margin:auto;padding:0;background:var(--sf);border:1px solid var(--bd);border-radius:.75rem;box-shadow:0 25px 50px -12px rgba(0,0,0,.25)}
dialog::backdrop{background:rgba(0,0,0,.4);backdrop-filter:blur(4px)}
dialog form{display:flex;flex-direction:column;gap:.75rem;padding:1rem}
dialog b{font-size:.875rem}
dialog input{padding:.625rem .875rem;background:var(--bg);border:1px solid var(--bd);border-radius:.5rem;font:inherit;font-size:.875rem;color:var(--tx)}
dialog input:focus{outline:0;border-color:var(--tx)}
dialog input::placeholder{color:var(--mt)}
dialog button[type="submit"]{padding:.5rem 1rem;background:var(--tx);color:var(--bg);border:0;border-radius:.5rem;font:inherit;font-size:.875rem;cursor:pointer}
dialog button[type="submit"]:hover{opacity:.85}

/* Main */
main{flex:1;max-width:38rem;width:100%;margin:5rem auto 2rem}

/* Typography */
h1,h2,.card h2{font-weight:600;line-height:1.4}
h1{font-size:1.5rem;margin:0 0 .25rem}
h2{font-size:1.125rem}
p{font-size:.875rem;line-height:1.7;margin:0}
time,.meta{font-size:.8125rem;color:var(--mt);font-style:italic}

/* Card */
.card{display:block;padding:1.25rem 0;border-bottom:1px solid var(--bd);transition:opacity .15s}
.card:hover{opacity:.7}
.card:last-child{border:0}
.card h2{font-size:1rem;margin:0 0 .25rem}
.card p{color:var(--mt);margin:.5rem 0 0}

/* Article */
article{line-height:1.8}
article>*+*{margin-top:1.25rem}
article .meta{display:block;margin-bottom:1.5rem}
article h2{margin:2rem 0 .75rem;padding-top:1rem;border-top:1px solid var(--bd);scroll-margin-top:5rem}
article h2:first-of-type{border:0;padding:0;margin-top:1.5rem}
article ul,article ol{margin:0;padding-left:1.5rem}
article li{margin:.25rem 0}
article li::marker{color:var(--mt)}
article strong{font-weight:600}
article em{font-style:italic}
article a{text-decoration:underline;text-underline-offset:2px}
article a:hover{opacity:.7}
article code{font-family:ui-monospace,monospace;font-size:.875em;background:var(--bd);padding:.125rem .375rem;border-radius:.25rem}
article pre{background:var(--sf);border:1px solid var(--bd);border-radius:.5rem;padding:1rem;overflow-x:auto;font-size:.8125rem;line-height:1.5}
article pre code{background:0;padding:0}
article blockquote{margin:0;padding-left:1rem;border-left:3px solid var(--bd);color:var(--mt);font-style:italic}
article img{max-width:100%;height:auto;border-radius:.5rem}
article hr{border:0;border-top:1px solid var(--bd);margin:2rem 0}

/* TOC */
#toc:empty{display:none}
#toc{display:none}

/* Comments */
#comments{margin-top:3rem;padding-top:2rem;border-top:1px solid var(--bd)}
#comments>b{display:block;font-size:.875rem;font-weight:600;margin-bottom:1rem}
#comments ul{list-style:none;padding:0}
#comments li{padding:.75rem 0;border-bottom:1px solid var(--bd)}
#comments li:last-child{border:0}
#comments li b{font-size:.8125rem;display:flex;align-items:center;gap:.5rem}
#comments li p{font-size:.8125rem;color:var(--mt);margin:.25rem 0 0;line-height:1.5}
#comments li p[contenteditable="true"]{background:var(--bg);padding:.5rem;border-radius:.25rem;outline:none;color:var(--tx)}

/* Comment actions */
#comments .actions{margin-left:auto;display:flex;gap:.125rem;opacity:0;transition:opacity .15s}
#comments li:hover .actions,#comments .actions[style*="opacity"]{opacity:1}
#comments .actions button{width:1.5rem;height:1.5rem;display:flex;align-items:center;justify-content:center;background:0;border:0;font-size:.75rem;color:var(--mt);cursor:pointer;border-radius:.25rem;transition:background .1s,color .1s}
#comments .actions button:hover{background:var(--bd);color:var(--tx)}
#comments .actions .act-ok{color:#22c55e}
#comments .actions .act-ok:hover{background:rgba(34,197,94,.1);color:#16a34a}

/* Comment form */
#comment-form{margin-top:1rem}
#comment-form textarea{width:100%;min-height:4rem;padding:.75rem;background:var(--sf);border:1px solid var(--bd);border-radius:.5rem;font:inherit;font-size:.875rem;color:var(--tx);resize:vertical}
#comment-form textarea:focus{outline:0;border-color:var(--tx)}
#comment-form .form-footer{display:flex;align-items:center;gap:.5rem;margin-top:.5rem}
#comment-form .user-name{font-size:.75rem;color:var(--mt)}
#comment-form .edit-btn{background:0;border:0;font-size:.75rem;color:var(--mt);text-decoration:underline;cursor:pointer;padding:0}
#comment-form .edit-btn:hover{color:var(--tx)}
#comment-form button[type="submit"]{margin-left:auto;padding:.5rem 1rem;background:var(--tx);color:var(--bg);border:0;border-radius:.5rem;font:inherit;font-size:.8125rem;cursor:pointer}
#comment-form button[type="submit"]:hover{opacity:.85}
.pending{opacity:.5}

/* Results */
.results{list-style:none;padding:0}
.results li{border-bottom:1px solid var(--bd)}
.results li:last-child{border:0}
.results a{display:block;padding:1rem 0;font-weight:500;transition:opacity .15s}
.results a:hover{opacity:.7}

/* Footer */
footer{display:flex;justify-content:center;gap:.25rem;padding:2rem 0;font-size:.8125rem;color:var(--mt)}
footer a{padding:.25rem .625rem;border-radius:1rem;transition:background .15s,color .15s}
footer a:hover{background:var(--bd);color:var(--tx)}

/* Desktop */
@media(min-width:640px){
body{padding:0 2rem}
main{margin-top:6rem}
#toc:not(:empty){display:block;position:fixed;right:max(1rem,calc(50% - 32rem));top:6rem;width:12rem;padding:1rem;background:var(--sf);border:1px solid var(--bd);border-radius:.75rem;font-size:.8125rem}
#toc b{display:block;font-size:.6875rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--mt);margin-bottom:.75rem}
#toc ul{list-style:none;padding:0;margin:0}
#toc li{margin:.375rem 0}
#toc a{display:block;color:var(--mt);transition:color .15s}
#toc a:hover{color:var(--tx)}
}

@media(min-width:1200px){#toc:not(:empty){right:calc(50% - 36rem)}}
@media(min-aspect-ratio:4/3) and (max-width:1024px){main{max-width:32rem}}