/* The chat view (page/src/Chat.jsx): the rail, the conversation, the side panel, the preview. app.css gives the tokens, the
   header and the small shared pieces; this file is the chat's own layout. */
.chatapp{height:100%}
.chatapp .chatbody{display:grid;grid-template-columns:250px minmax(0,1fr) 320px;min-height:0;height:100%}
.chatapp .chatbody>*{min-width:0}
/* no chat open: no side panel, no column kept for it */
.chatapp .chatbody.noside{grid-template-columns:250px minmax(0,1fr)}
@media (max-width:1100px){.chatapp .chatbody{grid-template-columns:220px minmax(0,1fr) 280px}.chatapp .chatbody.noside{grid-template-columns:220px minmax(0,1fr)}}
@media (max-width:860px){.chatapp .chatbody{grid-template-columns:minmax(0,1fr) !important}.chatapp .rail,.chatapp .cside{display:none}}
.ctitle{display:flex;align-items:center;gap:10px;min-width:0;font-weight:650;font-size:15px}
.ctitle>span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;cursor:text}
.ctitle input{flex:1;min-width:0;background:var(--bg);border:1px solid var(--acc);border-radius:7px;padding:6px 10px;outline:none;font:inherit;color:inherit}
.small{font-size:12.5px}
.grow{flex:1}
.cnt{font-size:11px;color:var(--mut);margin-left:6px;background:var(--panel2);padding:1px 7px;border-radius:999px}
.spin{animation:spin 1s linear infinite}

/* ---- the rail ---- */
.rail{position:relative;border-right:1px solid var(--line);background:var(--bg2);display:flex;flex-direction:column;min-height:0;overflow:hidden}
/* the dividers: the rail's right edge and the side panel's left edge, dragged (parts.jsx Dragger) */
.rail>.dragger,.cside>.dragger{position:absolute;top:0;bottom:0;width:7px;cursor:col-resize;z-index:5}
.rail>.dragger{right:-3px}.cside>.dragger{left:-3px}
.rail>.dragger:hover,.cside>.dragger:hover{background:linear-gradient(var(--acc),var(--acc)) center/2px 100% no-repeat}
.cnew{margin:12px 12px 6px;justify-content:center;align-self:stretch}
.rchats{flex:1;overflow-y:auto;padding:4px 8px 12px}
.rchat{padding:8px 10px;border-radius:8px;cursor:pointer;margin-bottom:2px}
.rchat:hover{background:var(--panel)}
.rchat.on{background:var(--panel2)}
.rtitle{font-size:13.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rsub{font-size:11.5px;color:var(--mut)}
.rsection{font-size:11px;font-weight:700;letter-spacing:.4px;text-transform:uppercase;color:var(--mut);padding:16px 10px 6px}
.rownerhead{display:flex;align-items:center;gap:4px;padding:6px 6px;border-radius:7px;cursor:pointer;font-size:13px;color:var(--mut)}
.rownerhead:hover{background:var(--panel)}
.rownerhead b{color:var(--txt);font-weight:600}
.rowner .rchat{margin-left:14px}
.railfoot{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 12px;border-top:1px solid var(--line);font-size:13px}

/* ---- the conversation ---- */
.cmain{display:flex;flex-direction:column;min-height:0;min-width:0;position:relative}
.acting{display:flex;align-items:center;gap:8px;padding:8px 20px;background:rgba(224,164,74,.12);color:var(--warn);font-size:13px;border-bottom:1px solid rgba(224,164,74,.25)}
.acting b{color:var(--txt)}
.banner.top{margin:10px 20px 0;display:flex;align-items:center;gap:8px}
.banner.top .insbtn{margin-left:auto}
.messages{flex:1;overflow-y:auto;padding:22px max(20px,calc((100% - 900px)/2)) 12px;min-height:0;scroll-behavior:smooth}
.row{display:flex;flex-direction:column;margin-bottom:22px;animation:fadein .15s}
.row.user{align-items:flex-end}
.rowmeta{display:flex;gap:10px;font-size:11.5px;color:var(--mut2);margin-top:4px;padding:0 4px}
.rowmeta .by{color:var(--warn);font-weight:600}
.bubble{background:var(--panel2);border:1px solid var(--line);border-radius:12px 12px 3px 12px;padding:9px 14px;max-width:82%}
.utext{white-space:pre-wrap;overflow-wrap:anywhere}
.atts{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:6px}
.attimg img{height:110px;max-width:220px;object-fit:cover;border-radius:8px;display:block;cursor:pointer;border:1px solid var(--line)}
.attchip{display:inline-flex;align-items:center;gap:5px;padding:4px 9px;border-radius:999px;background:var(--panel);border:1px solid var(--line);font-size:12.5px;cursor:pointer}
.attchip.gone{opacity:.5;cursor:default;text-decoration:line-through}
.row.assistant .abody{max-width:100%;min-width:0}
.row.assistant.stopped .abody{opacity:.8}
.typing{display:inline-flex;gap:4px;padding:8px 2px}
.typing span{width:6px;height:6px;border-radius:50%;background:var(--mut);animation:blink 1.2s infinite}
.typing span:nth-child(2){animation-delay:.2s}.typing span:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,80%,100%{opacity:.25}40%{opacity:1}}
.note{display:flex;align-items:center;gap:6px;font-size:12.5px;margin:6px 0}

/* markdown */
.md{font-size:15px;line-height:1.6;overflow-wrap:anywhere}
.md p{margin:0 0 10px}.md p:last-child{margin-bottom:0}
.md h3,.md h4,.md h5,.md h6{margin:16px 0 8px;line-height:1.3}
.md h3{font-size:18px}.md h4{font-size:16px}.md h5,.md h6{font-size:15px}
.md ul,.md ol{margin:0 0 10px;padding-left:24px}.md li{margin:2px 0}
.md code{background:var(--panel2);border:1px solid var(--line);border-radius:4px;padding:1px 5px;font:13px ui-monospace,Menlo,Consolas,monospace}
.md pre.code{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:12px 14px;overflow:auto;margin:0 0 10px}
.md pre.code code{background:none;border:none;padding:0;font-size:13px;line-height:1.5}
.md blockquote{margin:0 0 10px;padding:4px 14px;border-left:3px solid var(--line2);color:var(--mut)}
.md hr{border:none;border-top:1px solid var(--line);margin:14px 0}
.md a{color:var(--acc2);text-decoration:underline;text-decoration-color:rgba(116,182,228,.4)}
.md a.flink{text-decoration:none;border-bottom:1px dashed var(--acc2)}
.md .mimg{max-width:min(100%,520px);max-height:420px;border-radius:8px;border:1px solid var(--line);display:block;margin:6px 0}
.tablewrap{overflow:auto;margin:0 0 10px}
.md table{border-collapse:collapse;font-size:13.5px}
.md th,.md td{border:1px solid var(--line);padding:5px 9px;text-align:left;vertical-align:top}
.md th{background:var(--panel);font-weight:600}

/* thinking and tools */
.thinking{margin:4px 0 8px}
.thinkhead{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--mut);cursor:pointer;padding:3px 8px;border-radius:7px}
.thinkhead:hover{background:var(--panel)}
.thinkbody{font-size:13px;color:var(--mut);white-space:pre-wrap;padding:6px 12px;border-left:2px solid var(--line2);margin:4px 0 0 6px;max-height:300px;overflow:auto}
.tool{border:1px solid var(--line);border-radius:9px;background:var(--panel);margin:6px 0;font-size:13px;overflow:hidden}
.tool.error{border-color:rgba(224,85,95,.45)}
.tool.running{border-color:rgba(74,159,212,.5)}
.toolhead{display:flex;align-items:center;gap:8px;padding:7px 10px;cursor:pointer;min-width:0}
.toolhead b{font-weight:600;white-space:nowrap}
.toolhead .toolin{flex:1;min-width:0;color:var(--mut);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px}
.toolhead small{color:var(--mut2);white-space:nowrap}
.tool.ok .toolhead>.micon:first-child{color:var(--ok)}.tool.error .toolhead>.micon:first-child{color:var(--danger)}.tool.running .toolhead>.micon:first-child{color:var(--acc2)}
.toolsum{padding:0 10px 8px 36px;color:var(--mut);font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.toolbody{border-top:1px solid var(--line);padding:8px 10px}
.toollbl{font-size:11px;font-weight:700;letter-spacing:.4px;text-transform:uppercase;color:var(--mut);margin:4px 0}
.toolbody pre{margin:0 0 8px;white-space:pre-wrap;overflow-wrap:anywhere;font:12px/1.5 ui-monospace,Menlo,Consolas,monospace;max-height:360px;overflow:auto;background:var(--bg2);border-radius:6px;padding:8px}
.toolres a{color:var(--acc2)}

/* the composer */
.ccompose{padding:8px 20px 14px;border-top:1px solid var(--line);background:var(--bg)}
.ccompose .banner{margin-bottom:8px}
.queue{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 8px}
.qitem{position:relative;display:inline-flex;align-items:center;gap:6px;padding:4px 6px 4px 9px;border-radius:999px;background:var(--panel);border:1px solid var(--line);font-size:12.5px;overflow:hidden}
.qitem small{color:var(--mut)}
.qitem i{position:absolute;left:0;bottom:0;height:2px;background:var(--acc);transition:width .2s}
.qitem.done{border-color:rgba(94,196,143,.5)}.qitem.err{border-color:var(--danger);color:var(--danger)}
.qx{border:none;background:transparent;color:var(--mut);display:inline-flex;padding:2px;border-radius:50%}
.qx:hover{color:var(--txt);background:var(--panel2)}
.cbox{display:flex;align-items:flex-end;gap:8px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:6px 6px 6px 8px;max-width:960px;margin:0 auto}
.cbox:focus-within{border-color:var(--acc);box-shadow:0 0 0 3px rgba(var(--acc-rgb),.18)}
.cbox textarea{flex:1;min-width:0;resize:none;border:none;background:transparent;outline:none;padding:8px 4px;font-size:15px;line-height:1.45;max-height:260px}
.cbox .insbtn{width:36px;height:36px;border-radius:9px;flex:none}
.sendbtn{width:36px;height:36px;border-radius:9px;border:none;background:var(--acc);color:var(--accink);display:inline-flex;align-items:center;justify-content:center;flex:none}
.sendbtn:disabled{background:var(--panel2);color:var(--mut2);cursor:default}
.sendbtn.stop{background:var(--danger);color:#fff}

/* ---- the side panel ---- */
.cside{position:relative;border-left:1px solid var(--line);background:var(--bg2);display:flex;flex-direction:column;min-height:0;transition:box-shadow .15s;overflow:hidden}
.cside.drag{box-shadow:inset 0 0 0 2px var(--acc)}
.sidetabs{display:flex;gap:2px;padding:10px 10px 0}
.sidetabs button{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;background:transparent;color:var(--mut);padding:8px;border-radius:8px 8px 0 0;font-size:13px;font-weight:600;border-bottom:2px solid transparent}
.sidetabs button.on{color:var(--txt);border-bottom-color:var(--acc)}
.sidebody{flex:1;overflow-y:auto;padding:8px 10px 12px;min-height:0;display:flex;flex-direction:column}
.file{display:flex;align-items:center;gap:9px;padding:7px 8px;border-radius:8px;cursor:pointer}
.file:hover{background:var(--panel)}
.file .insbtn{opacity:0;width:28px;height:28px}
.file:hover .insbtn{opacity:1}
.fthumb{width:38px;height:38px;object-fit:cover;border-radius:6px;flex:none;border:1px solid var(--line)}
.ficon{width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;color:var(--mut);background:var(--panel);border-radius:6px;flex:none}
.fmeta{flex:1;min-width:0}
.fname{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fsub{font-size:11.5px;color:var(--mut)}
.sidefoot{margin-top:auto;padding:10px 8px 0;font-size:12px;text-align:center}
.ctxbody textarea{flex:1;min-height:200px;resize:none;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:10px 12px;outline:none;font:13.5px/1.55 ui-monospace,Menlo,Consolas,monospace}
.ctxbody textarea:focus{border-color:var(--acc)}
.ctxbtns{display:flex;gap:8px;align-items:center;padding:8px 2px 0;font-size:12.5px}
.empty.small{padding:30px 10px;font-size:13px}

/* ---- the preview ---- */
.modalwrap.preview{align-items:stretch;padding:4vh 4vw}
.pv{background:var(--bg);border:1px solid var(--line);border-radius:12px;width:100%;display:flex;flex-direction:column;min-height:0;overflow:hidden}
.pvhead{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--line)}
.pvhead b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pvbody{flex:1;min-height:0;overflow:auto;display:flex;align-items:center;justify-content:center;background:var(--bg2)}
.pvbody.text,.pvbody.html,.pvbody.pdf{align-items:stretch;justify-content:stretch}
.pvbody img{max-width:100%;max-height:100%;object-fit:contain}
.pvbody video{max-width:100%;max-height:100%}
.pvbody iframe{width:100%;height:100%;border:none;background:#fff}
.pvbody pre{margin:0;padding:16px 20px;white-space:pre-wrap;overflow-wrap:anywhere;font:13px/1.55 ui-monospace,Menlo,Consolas,monospace;width:100%}
.pvmd{padding:20px 28px;width:100%;max-width:900px;margin:0 auto}
/* the conversation is a <main>: none of app.css's page padding */
.chatapp main.cmain{padding:0;overflow:hidden}