/* ---------- themes ---------- */
:root{
  --bg:#f3f4f6;--panel:#ffffff;--side:#eef0f3;--text:#17191d;--muted:#656d78;--border:#e1e4e9;--hover:#f6f7f9;
  --accent:#2bb24c;--accent-text:#fff;--ok:#1a8a44;--warn:#9a6200;--err:#c0392b;--shadow:0 6px 24px rgba(16,24,40,.08);
}
@media (prefers-color-scheme:dark){:root:not([data-theme]){
  --bg:#15171b;--panel:#1d2026;--side:#191c21;--text:#e7e9ee;--muted:#9aa3ae;--border:#2b3038;--hover:#23272e;
  --accent:#3dc962;--accent-text:#06210f;--ok:#4cc27a;--warn:#e0a640;--err:#ff6b5e;--shadow:0 6px 24px rgba(0,0,0,.4);
}}
:root[data-theme=dark]{
  --bg:#15171b;--panel:#1d2026;--side:#191c21;--text:#e7e9ee;--muted:#9aa3ae;--border:#2b3038;--hover:#23272e;
  --accent:#3dc962;--accent-text:#06210f;--ok:#4cc27a;--warn:#e0a640;--err:#ff6b5e;--shadow:0 6px 24px rgba(0,0,0,.4);
}
:root[data-theme=black]{
  --bg:#000;--panel:#0b0b0c;--side:#050506;--text:#ececec;--muted:#8d949d;--border:#222428;--hover:#141518;
  --accent:#3dc962;--accent-text:#06210f;--ok:#4cc27a;--warn:#e0a640;--err:#ff6b5e;--shadow:0 6px 24px rgba(0,0,0,.6);
}
:root[data-theme=sepia]{
  --bg:#f1e9d8;--panel:#faf4e6;--side:#e9dfca;--text:#3b2f22;--muted:#7a6a55;--border:#ddd0b8;--hover:#f3ebda;
  --accent:#a8652a;--accent-text:#fff;--ok:#4f7a2a;--warn:#946200;--err:#a63a2b;--shadow:0 6px 24px rgba(80,60,20,.12);
}

/* ---------- base ---------- */
*{box-sizing:border-box}
html,body{height:100%}
:root{--ui:15px;--post:1}
:root[data-font=small]{--ui:13.5px}
:root[data-font=large]{--ui:17px}
:root[data-font=xlarge]{--ui:19px}
:root[data-postfont=small]{--post:.9}
:root[data-postfont=large]{--post:1.15}
:root[data-postfont=xlarge]{--post:1.35}
body{margin:0;background:var(--bg);color:var(--text);font:var(--ui)/1.5 system-ui,-apple-system,"Segoe UI","Noto Sans Arabic",Tahoma,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--accent)}
h1{font-size:22px;margin:4px 0 16px} h2{font-size:17px;margin:0 0 12px} h3{font-size:14px;margin:0 0 8px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.muted{color:var(--muted);font-size:13px}
.ellip{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
kbd{font:11px/1 ui-monospace,SFMono-Regular,Menlo,monospace;border:1px solid var(--border);border-bottom-width:2px;border-radius:4px;padding:2px 5px;color:var(--muted);background:var(--panel)}
code{font-size:13px;background:var(--hover);padding:1px 5px;border-radius:4px}

/* ---------- app shell ---------- */
body{display:flex;flex-direction:column;height:100vh;overflow:hidden}
.shell{display:flex;flex:1;min-height:0}
.sidebar{width:250px;flex:none;background:var(--side);border-right:1px solid var(--border);padding:14px 10px;overflow-y:auto;overscroll-behavior:contain;display:flex;flex-direction:column;gap:2px}
.content{flex:1;min-width:0;overflow-y:auto;overscroll-behavior:contain}
.sb-folder .folder{padding-left:4px;gap:4px}
.sb-folder .folder a{color:var(--text);text-decoration:none;flex:1;font-weight:600}
.sb-folder .chev{font:inherit;background:none;border:0;color:var(--muted);cursor:pointer;width:26px;height:26px;border-radius:6px;padding:0;transition:transform .15s;flex:none;display:inline-flex;align-items:center;justify-content:center}
.sb-folder .chev svg{width:16px;height:16px}
.sb-folder .folder-icon{flex:none;color:var(--warn);margin-right:2px}
.sb-folder.collapsed .folder-icon{opacity:.8}
.sb-folder .chev:hover{background:var(--hover)}
.sb-folder.collapsed .chev{transform:rotate(-90deg)}
.sb-folder.collapsed .sb-children{display:none}
.sb-item.child{padding-left:30px}
.sidebar .brand{display:block;font-weight:800;font-size:17px;color:var(--text);text-decoration:none;padding:6px 10px 14px}
.sb-section{font-size:11.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--text);padding:14px 10px 6px;margin-top:8px;border-top:1px solid var(--border)}
.sidebar .brand + .sb-section{border-top:0;margin-top:0}
.sb-item{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:7px 10px;border-radius:8px;color:var(--text);text-decoration:none;font-size:14px}
.sb-item:hover{background:var(--hover)}
.sb-item.on{background:var(--panel);font-weight:600;box-shadow:inset 3px 0 0 var(--accent)}
.sb-item.sub{color:var(--muted)}
.sb-item .count{color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}
.sb-item.on .count{color:var(--accent);font-weight:700}
.sb-item kbd{opacity:0;transition:opacity .15s}.sb-item:hover kbd{opacity:1}
.sb-item .warn{color:var(--warn)}
/* drag a feed onto a folder (or the "No folder" zone) to move it */
.sb-item[draggable]{cursor:grab}.sb-item.dragging{opacity:.4}
.sb-item.dropzone{border:1px dashed var(--border);color:var(--muted);justify-content:center;margin:4px 0}
.sb-item.dropzone[hidden]{display:none}
.sb-item.over{background:var(--hover);box-shadow:inset 0 0 0 2px var(--accent)}
.sb-foot{margin-top:auto;padding:12px 10px 4px;display:flex;flex-direction:column;gap:6px;border-top:1px solid var(--border)}
.sb-foot label{margin:0;font-weight:600;font-size:12px}
.theme-select{padding:5px 8px;font-size:13px}
button.link{background:none;border:0;color:var(--muted);padding:4px 0;text-align:left;cursor:pointer;font-size:13px;display:flex;gap:6px;align-items:center}
.topbar{display:none;align-items:center;gap:8px;padding:8px 12px;background:var(--panel);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:5}
.topbar .brand{font-weight:800;color:var(--text);text-decoration:none;flex:1}
.icon{font:inherit;background:none;border:1px solid var(--border);color:var(--text);border-radius:8px;width:34px;height:34px;cursor:pointer}
.scrim{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:8}
main{flex:1;min-width:0;max-width:960px;margin:0 auto;padding:20px 24px 80px;width:100%}
main.wide{max-width:1100px}
@media (max-width:860px){
  .topbar{display:flex}
  .sidebar{position:fixed;left:0;top:0;bottom:0;z-index:9;transform:translateX(-100%);transition:transform .2s;height:100vh;width:280px;max-width:85vw}
  .sidebar.open{transform:none}
  .scrim.show{display:block}
  main{padding:12px 12px 90px}
}

/* ---------- common widgets ---------- */
.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px;margin-bottom:16px}
textarea,input,select{font:inherit;color:inherit;background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:8px 10px;width:100%}
textarea:focus,input:focus,select:focus{outline:2px solid color-mix(in srgb,var(--accent) 45%,transparent);outline-offset:0}
textarea{min-height:140px;unicode-bidi:plaintext;font-size:calc(17px * var(--post))}
label{display:block;margin:10px 0 4px;font-weight:600;font-size:14px}
.row{display:flex;gap:12px;flex-wrap:wrap}.row>*{flex:1;min-width:180px}
button,.btn{font:inherit;cursor:pointer;border:1px solid var(--border);background:var(--panel);color:var(--text);border-radius:8px;padding:7px 14px;text-decoration:none;display:inline-block}
button:hover,.btn:hover{background:var(--hover)}
button.primary,.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-text);font-weight:600}
button.primary:hover{filter:brightness(1.05);background:var(--accent)}
button.danger{color:var(--err)}
button:disabled{opacity:.6;cursor:default}
form.inline{display:inline}
table{width:100%;border-collapse:collapse} th,td{text-align:left;padding:8px;border-bottom:1px solid var(--border);vertical-align:top}
tr:last-child td{border-bottom:0}
.flash{padding:10px 14px;border-radius:8px;margin-bottom:12px;border:1px solid var(--border);background:var(--panel)}
.flash.ok{border-color:var(--ok);color:var(--ok)}.flash.warn{border-color:var(--warn);color:var(--warn)}.flash.error{border-color:var(--err);color:var(--err)}
.badge{font-size:12px;padding:2px 8px;border-radius:99px;border:1px solid var(--border);color:var(--muted)}
.badge.published{color:var(--ok);border-color:var(--ok)}
.counter.over{color:var(--err);font-weight:700}
.issues li{margin-bottom:6px} .issues del{color:var(--err)} .issues ins{color:var(--ok);text-decoration:none;font-weight:600}
.radio{display:flex;gap:16px;flex-wrap:wrap;margin:6px 0}.radio label{font-weight:400;display:flex;gap:6px;align-items:center;margin:0}.radio input{width:auto}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px;align-items:center}
.tweet-text{white-space:pre-wrap;unicode-bidi:plaintext;font-size:calc(16px * var(--post))}
.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);background:var(--text);color:var(--bg);padding:8px 14px;border-radius:99px;font-size:13px;opacity:0;pointer-events:none;transition:all .2s;z-index:20}
.toast.show{opacity:1;transform:translate(-50%,0)}
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.35);display:none;align-items:center;justify-content:center;z-index:30}
.overlay.show{display:flex}.overlay div{background:var(--panel);padding:18px 24px;border-radius:10px}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:center;justify-content:center;z-index:25;padding:16px}
.modal[hidden]{display:none}
.modal-box{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:18px 22px;max-width:760px;width:100%;box-shadow:var(--shadow);max-height:90vh;overflow:auto}
.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.modal-head h2{margin:0}
.keys{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px}
.keys p{margin:5px 0;font-size:14px;display:flex;gap:6px;align-items:center;flex-wrap:wrap}

/* ---------- reader ---------- */
.feedhead{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.feedhead h1{margin:0;font-size:20px;flex:1;min-width:160px}
.feedhead .count{color:var(--muted);font-weight:400;font-size:14px}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.toolbar input[type=search]{flex:1;min-width:160px}
.toolbar select,.toolbar input{width:auto}
.seg{display:inline-flex;border:1px solid var(--border);border-radius:8px;overflow:hidden}
.seg a{padding:6px 12px;color:var(--muted);text-decoration:none;font-size:13px;border-right:1px solid var(--border)}
.seg a:last-child{border-right:0}.seg a.on{background:var(--panel);color:var(--text);font-weight:600}
.list{background:var(--panel);border:1px solid var(--border);border-radius:12px;overflow:hidden}
.item{display:flex;gap:12px;padding:12px 14px;border-bottom:1px solid var(--border);position:relative;cursor:default}
.item:last-child{border-bottom:0}
.item:hover{background:var(--hover)}
.item.cur{background:var(--hover);box-shadow:inset 3px 0 0 var(--accent)}
.item.sel{background:color-mix(in srgb,var(--accent) 9%,var(--panel))}
.item input[type=checkbox]{width:18px;height:18px;margin-top:3px;flex:none;accent-color:var(--accent)}
.item .body{flex:1;min-width:0}
.item summary{cursor:pointer;font-weight:600;list-style:none;unicode-bidi:plaintext;font-size:calc(15.5px * var(--post));line-height:1.35}
.item summary::-webkit-details-marker{display:none}
.item .meta{color:var(--muted);font-size:12.5px;margin-top:3px;display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.item .meta .src{font-weight:600;color:var(--muted)}
.item .snippet{color:var(--muted);font-size:calc(14px * var(--post));margin-top:4px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;unicode-bidi:plaintext}
.item details[open] ~ .snippet{display:none}
.item .full{white-space:pre-wrap;margin:10px 0 6px;unicode-bidi:plaintext;max-height:460px;overflow:auto;font-size:calc(15px * var(--post));line-height:1.6}
.item.used summary{color:var(--muted);font-weight:500}
.dense .item .snippet{display:none}
.empty{padding:40px 16px;text-align:center;color:var(--muted)}
.selbar{position:sticky;bottom:12px;margin-top:12px;background:var(--panel);border:1px solid var(--accent);border-radius:12px;padding:10px 12px;display:none;gap:8px;flex-wrap:wrap;align-items:center;box-shadow:var(--shadow);z-index:4}
.selbar.show{display:flex}
.selbar input[name=instruction]{flex:1;min-width:160px}
.selbar select{width:auto}
.chips{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.chips button{font-size:13px;padding:4px 10px;border-radius:99px}
.variant textarea{min-height:170px}
.variant.cur{outline:2px solid color-mix(in srgb,var(--accent) 60%,transparent)}
.login{max-width:360px;margin:12vh auto}
body:not(:has(.shell)){overflow:auto}
.folder-form{display:flex;gap:6px;margin-top:6px}.folder-form input{width:160px;padding:4px 8px;font-size:13px}.folder-form button{padding:4px 10px;font-size:13px}
label .load-models{font-weight:400;font-size:12px;padding:2px 8px;margin-left:8px;border-radius:99px}
textarea.sample{min-height:96px;margin-bottom:8px;font-size:16px}
.ctxmenu{position:fixed;z-index:40;min-width:200px;background:var(--panel);border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow);padding:6px;display:flex;flex-direction:column}
.ctxmenu[hidden]{display:none}
.ctxmenu button{border:0;background:none;text-align:left;padding:7px 10px;border-radius:6px;display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:14px}
.ctxmenu button:hover{background:var(--hover)}
.ctxmenu button.danger{color:var(--err)}
.ctxmenu .sep{height:1px;background:var(--border);margin:4px 2px}
.src-row{cursor:default}.src-row:hover td{background:var(--hover)}
.bulk-actions{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
button.more{padding:2px 10px;font-weight:700}
.item .acts .like{border:0;background:none;color:var(--muted);font-size:20px;padding:2px 6px;line-height:1;cursor:pointer;border-radius:6px}
.item .acts .like:hover{color:var(--err);background:none}
.item .acts .like.on{color:var(--err)}
.badge.match{color:var(--accent);border-color:var(--accent)}
.card.taste summary{cursor:pointer}
.item.read summary{color:var(--muted);font-weight:500}
.item.read .snippet,.item.read .meta{opacity:.75}
.item.read{background:color-mix(in srgb,var(--bg) 55%,var(--panel))}
.item.read.cur{background:var(--hover)}
.switch{display:flex;align-items:center;gap:6px;margin:0;font-weight:400;font-size:13px;color:var(--muted);white-space:nowrap}
.switch input{width:auto;accent-color:var(--accent)}
.flash.refresh{border-color:var(--accent);color:var(--accent)}
.item .full.article{max-height:none;font-size:calc(16px * var(--post));line-height:1.75;max-width:72ch;padding:6px 0 4px;white-space:normal}
.item .full.article p{margin:0 0 .9em}
.item .full.article h1{display:none}
.item .full.article h2,.item .full.article h3,.item .full.article h4{margin:1.2em 0 .5em;font-size:1.1em}
.item .full.article img{max-width:100%;height:auto;border-radius:8px;margin:.4em 0}
.item .full.article blockquote{border-left:3px solid var(--border);margin:.8em 0;padding:.2em 12px;color:var(--muted)}
.item .full.article pre{overflow:auto;background:var(--hover);padding:10px;border-radius:8px}
.item .full.article ul,.item .full.article ol{padding-left:1.4em}
.item .full.article table{font-size:14px}
.item .snippet{cursor:pointer}
.item .full .loading{margin-bottom:8px}
.item .full{cursor:pointer}.item .full a,.item .full img,.item .full pre,.item .full table{cursor:auto}.item .full a{cursor:pointer}
.sidebar .brand .version{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.02em;margin-top:-2px}
body.public{display:block;height:auto;overflow:auto}
.public-board{max-width:760px;margin:0 auto;padding:32px 16px}
h2.section{display:flex;align-items:baseline;gap:8px;margin:18px 0 8px;font-size:15px}
h2.section .muted{font-weight:400;font-size:13px}
.badge.trend{color:var(--warn);border-color:var(--warn)}
.badge.outside{color:#7c5cff;border-color:#7c5cff}
/* Sidebar labels always start at the left, even Arabic names (dir=auto keeps the text itself readable). */
.sb-item .ellip,.sb-folder .folder a{text-align:left;flex:1}
.sb-item .warn{flex:none;margin-right:4px}
/* Posts: the whole row follows the article's direction (dir=rtl flips checkbox, text and meta). */
.item[dir=rtl]{text-align:right}
.item[dir=rtl].cur{box-shadow:inset -3px 0 0 var(--accent)}
.item .full.article blockquote{border-left:0;border-inline-start:3px solid var(--border)}
.item .full.article ul,.item .full.article ol{padding-left:0;padding-inline-start:1.4em}
.item[dir=rtl] .meta{direction:rtl}
.item .meta bdi,.item .meta .badge{direction:ltr;unicode-bidi:isolate}
.item .acts .toboard{border:0;background:none;color:var(--muted);font-size:19px;padding:2px 6px;line-height:1;cursor:pointer;border-radius:6px}
.item .acts .like:hover,.item .acts .toboard:hover{background:var(--hover)}
.item .acts .toboard:hover{color:var(--accent);background:none}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin:0 0 18px;overflow-x:auto}
.tabs a{padding:8px 14px;color:var(--muted);text-decoration:none;border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap;font-weight:600}
.tabs a:hover{color:var(--text)}
.tabs a.on{color:var(--text);border-bottom-color:var(--accent)}
[data-pane][hidden]{display:none}
/* drafts page: drafts on the left, the original post(s) kept in view on the right */
.drafts-layout{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:16px;align-items:start}
.source-pane{position:sticky;top:12px;max-height:calc(100vh - 40px);overflow:auto;padding-right:2px}
.source-pane h2{font-size:14px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin:4px 0 10px}
.source-item h3{font-size:15px;margin:0 0 6px;text-transform:none;letter-spacing:0;color:var(--text);line-height:1.35}
.source-item[dir=rtl]{text-align:right}
.source-item .source-text{white-space:pre-wrap;unicode-bidi:plaintext;font-size:calc(14px * var(--post));line-height:1.6;max-height:none;margin:8px 0 4px}
.source-item .source-text.article{white-space:normal}
.source-item .source-text.article p{margin:0 0 .8em}
.source-item .source-text.article img{max-width:100%;height:auto;border-radius:6px}
.source-item .source-text.article h1{display:none}
@media (max-width:1100px){.drafts-layout{grid-template-columns:1fr}.source-pane{position:static;max-height:none}}
/* working state for AI buttons */
@keyframes spin{to{transform:rotate(360deg)}}
.spinner,button.working::before{content:'';display:inline-block;width:12px;height:12px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .7s linear infinite;vertical-align:-2px;margin-right:7px}
button.working{opacity:.85;cursor:progress}
.status{display:flex;align-items:center;gap:4px;margin-top:8px}
.item .full a{color:var(--accent);text-decoration:underline;cursor:pointer}
.item .full a:hover{text-decoration-thickness:2px}
.sb-form{margin:0}.sb-form button.sb-item{width:100%;background:none;border:0;font:inherit;cursor:pointer;text-align:left}
.sb-form button.sb-item:hover{background:var(--hover)}
.sizebtns{display:inline-flex;border:1px solid var(--border);border-radius:8px;overflow:hidden}
.sizebtns button{border:0;border-radius:0;padding:5px 10px;font-size:13px}
.sizebtns button+button{border-left:1px solid var(--border)}
.item .acts .totweet{border:0;background:none;color:var(--accent);padding:2px 6px;line-height:1;cursor:pointer;border-radius:6px;display:inline-flex;align-items:center}
.item .acts .totweet:hover{background:var(--hover)}
/* like: quick pop when turned on */
@keyframes heartpop{0%{transform:scale(1)}35%{transform:scale(1.45)}65%{transform:scale(.9)}100%{transform:scale(1)}}
.item .acts .like.pop{animation:heartpop .35s ease-out}
@media (prefers-reduced-motion:reduce){.item .acts .like.pop{animation:none}}
/* action column: its own flex child at the inline end, so text never flows under the icons */
.item .acts{flex:none;display:flex;flex-direction:column;align-items:center;gap:6px;padding-top:2px;width:34px}
.item .acts button{width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;padding:0;margin:0}