:root{--bg:#fff;--fg:#111;--muted:#666;--card:#fff;--border:#ddd;--button-bg:#fff;--button-hover:#f6f6f6;--link:inherit;--reader-max:760px;--reader-font:ui-serif,Georgia,Cambria,"Times New Roman",Times,serif;--reader-size:19px;--reader-line:1.65;}
[data-theme="dark"]{--bg:#0f1115;--fg:#e9edf5;--muted:#a9b0c3;--card:#131723;--border:#2a3143;--button-bg:#141a28;--button-hover:#192033;}
html,body{height:100%;}
body{margin:24px;max-width:980px;background:var(--bg);color:var(--fg);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;}
header{display:flex;gap:12px;align-items:baseline;justify-content:space-between;flex-wrap:wrap;}
input,textarea,button,select{font:inherit;color:inherit;}
select{padding:8px 12px;border-radius:10px;border:1px solid var(--border);background:var(--button-bg);cursor:pointer;}
select:hover{background:var(--button-hover);}
textarea{width:100%;min-height:55vh;background:var(--card);color:var(--fg);border:1px solid var(--border);border-radius:12px;padding:12px;}
.card{border:1px solid var(--border);border-radius:12px;padding:12px 14px;margin:12px 0;background:var(--card);}
.meta{color:var(--muted);font-size:.9rem;}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;}
a{color:var(--link);}
button{padding:8px 12px;border-radius:10px;border:1px solid var(--border);background:var(--button-bg);cursor:pointer;}
button:hover{background:var(--button-hover);}
button:disabled{opacity:.6;cursor:default;}
.small{font-size:.9rem;}
code{background:rgba(127,127,127,.15);padding:2px 6px;border-radius:6px;}
.reader-shell{max-width:var(--reader-max);margin:0 auto;}
.reader-title{font-size:2rem;line-height:1.2;margin:0 0 8px 0;}
.reader-meta{color:var(--muted);margin-bottom:18px;}
.reader-article{font-family:var(--reader-font);font-size:var(--reader-size);line-height:var(--reader-line);}
.reader-article img{max-width:100%;height:auto;}
.reader-article a{text-decoration:underline;}
.reader-article pre,.reader-article code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono",monospace;font-size:.92em;}
.reader-article blockquote{border-left:3px solid var(--border);padding-left:12px;margin-left:0;color:var(--muted);}
.plain-text-view{font-family:var(--reader-font);font-size:var(--reader-size);line-height:var(--reader-line);padding:20px;background:var(--card);border:1px solid var(--border);border-radius:12px;max-height:70vh;overflow-y:auto;}
.plain-text-view p{margin:0 0 1.5em 0;}
.plain-text-view p:last-child{margin-bottom:0;}
.tag{display:inline-block;padding:4px 10px;background:var(--button-bg);border:1px solid var(--border);border-radius:12px;font-size:.85rem;color:var(--fg);}
.tag:hover{background:var(--button-hover);}
@media print{body{margin:0;padding:20px;background:#fff;color:#000;max-width:100%;}.row,button,input,select{display:none!important;}.reader-shell{max-width:100%;}.reader-article{font-size:12pt;line-height:1.5;}.card{border:none;box-shadow:none;}}