:root{--bg:#f6f7f9;--panel:#fff;--text:#161a20;--muted:#6b7380;--line:#e3e6ea;--accent:#2563eb;--accent-text:#fff;--user:#2563eb;--user-text:#fff;--code:#f0f2f5;--warn:#b45309;--warn-bg:#fff7e6;--err:#c62828;--err-bg:#fdecec;--ok:#15803d;--shadow:0 1px 2px rgba(0,0,0,.06)}
@media (prefers-color-scheme:dark){:root{--bg:#0f1115;--panel:#171a21;--text:#e6e8eb;--muted:#8b93a1;--line:#272c35;--accent:#5b9dff;--accent-text:#0b1220;--user:#2b5cc8;--user-text:#fff;--code:#1f242d;--warn:#f0b35a;--warn-bg:#2a2112;--err:#ff7b7b;--err-bg:#2c1717;--ok:#4ade80;--shadow:none}}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font:16px/1.55 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;-webkit-text-size-adjust:100%}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;-webkit-tap-highlight-color:transparent}
a{color:var(--accent)}
#app{height:100dvh;display:flex;flex-direction:column}
.center{margin:auto;text-align:center;padding:24px}
.muted{color:var(--muted)}
.small{font-size:13px}

/* top bar */
.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:8px;padding:calc(env(safe-area-inset-top) + 8px) 12px 8px;background:var(--bg);border-bottom:1px solid var(--line)}
.top h1{flex:1;min-width:0;margin:0;font-size:17px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.icon-btn{border:0;background:transparent;min-width:40px;height:40px;border-radius:10px;font-size:20px;line-height:1;display:inline-flex;align-items:center;justify-content:center;padding:0 8px}
.icon-btn:active{background:var(--line)}
.pill{flex:none;font-size:12px;padding:3px 9px;border-radius:999px;background:var(--code);color:var(--muted);white-space:nowrap}
.pill.run{background:rgba(37,99,235,.14);color:var(--accent)}
.pill.wait{background:var(--warn-bg);color:var(--warn)}
.pill.off{background:var(--err-bg);color:var(--err)}
.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:currentColor;margin-right:5px;vertical-align:1px}
.run .dot{animation:pulse 1.2s infinite}
@keyframes pulse{50%{opacity:.25}}

/* login */
.login{margin:auto;width:min(380px,100%);padding:28px 22px}
.login h2{margin:0 0 6px;font-size:22px}
.login input{width:100%;margin:18px 0 12px;padding:13px 14px;border-radius:12px;border:1px solid var(--line);background:var(--panel);font-size:17px;letter-spacing:.5px}
.btn{border:0;border-radius:12px;padding:11px 16px;background:var(--accent);color:var(--accent-text);font-weight:600}
.btn.block{width:100%}
.btn.ghost{background:var(--code);color:var(--text)}
.btn.danger{background:var(--err-bg);color:var(--err)}
.btn:disabled{opacity:.5}
.err-text{color:var(--err);font-size:14px;min-height:20px;margin-top:10px}

/* session list */
.scroll{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain}
.search{padding:10px 12px 4px}
.search input{width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:var(--panel)}
.group{padding:14px 16px 4px;font-size:12px;color:var(--muted);font-weight:600}
.item{display:block;width:100%;text-align:left;border:0;background:var(--panel);padding:12px 16px;border-bottom:1px solid var(--line)}
.item:active{background:var(--code)}
.item .t{font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.item .s{display:flex;gap:8px;font-size:12px;color:var(--muted);margin-top:2px}
.item .s span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.empty{padding:40px 20px;text-align:center;color:var(--muted)}

/* chat */
.msgs{padding:10px 12px 18px;display:flex;flex-direction:column;gap:10px}
.more{align-self:center;margin:4px 0 8px}
.msg{max-width:100%;word-wrap:break-word;overflow-wrap:anywhere}
.msg.user{align-self:flex-end;max-width:86%;background:var(--user);color:var(--user-text);padding:9px 13px;border-radius:16px 16px 4px 16px;white-space:pre-wrap}
.msg.user.pending{opacity:.6}
.msg.user.failed{background:var(--err-bg);color:var(--err)}
.msg.assistant{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:10px 13px;box-shadow:var(--shadow)}
.msg.assistant.streaming{border-color:var(--accent)}
.msg .err{color:var(--err);background:var(--err-bg);border-radius:8px;padding:6px 9px;margin-top:6px;font-size:14px}
.att{display:inline-block;font-size:13px;padding:2px 8px;border-radius:6px;background:rgba(255,255,255,.18);margin:2px 4px 2px 0}
details{margin:4px 0}
details>summary{cursor:pointer;color:var(--muted);font-size:13px;list-style:none;padding:3px 0}
details>summary::-webkit-details-marker{display:none}
details>summary::before{content:"▸ ";}
details[open]>summary::before{content:"▾ "}
.think{color:var(--muted);font-size:14px;white-space:pre-wrap;border-left:2px solid var(--line);padding-left:9px}
.tools{background:var(--code);border-radius:10px;padding:4px 10px;font-size:13px}
.tool{border-top:1px solid var(--line);padding:4px 0}
.tool:first-of-type{border-top:0}
.tool summary{color:var(--text)}
.tool .nm{font-weight:600}
.tool .sm{color:var(--muted)}
.tool.bad .nm{color:var(--err)}
.tool pre{max-height:240px}
.md p{margin:.35em 0}
.md h1,.md h2,.md h3,.md h4{font-size:1.05em;margin:.8em 0 .3em}
.md ul,.md ol{margin:.3em 0;padding-left:1.4em}
.md blockquote{margin:.4em 0;padding-left:10px;border-left:3px solid var(--line);color:var(--muted)}
.md table{border-collapse:collapse;display:block;overflow-x:auto;font-size:14px}
.md td,.md th{border:1px solid var(--line);padding:3px 7px}
code{background:var(--code);padding:1px 5px;border-radius:5px;font:13px/1.45 ui-monospace,SFMono-Regular,Consolas,monospace}
pre{background:var(--code);padding:9px 11px;border-radius:9px;overflow:auto;white-space:pre;font:12.5px/1.45 ui-monospace,SFMono-Regular,Consolas,monospace;margin:.4em 0}
pre code{background:none;padding:0}

/* banners & composer */
.banner{margin:0 12px 8px;padding:10px 12px;border-radius:12px;background:var(--warn-bg);color:var(--warn);font-size:14px}
.plan{margin:0 12px 10px;padding:12px;border-radius:14px;border:1px solid var(--accent);background:var(--panel)}
.plan h3{margin:0 0 6px;font-size:15px}
.plan .body{max-height:42vh;overflow:auto;font-size:14px}
.row{display:flex;gap:8px;align-items:center;margin-top:10px;flex-wrap:wrap}
.row select{padding:8px;border-radius:10px;border:1px solid var(--line);background:var(--panel)}
.composer{display:flex;gap:8px;align-items:flex-end;padding:8px 10px calc(env(safe-area-inset-bottom) + 8px);border-top:1px solid var(--line);background:var(--bg)}
.composer textarea{flex:1;resize:none;max-height:40vh;min-height:44px;padding:10px 12px;border-radius:14px;border:1px solid var(--line);background:var(--panel);font-size:16px;line-height:1.4}
.composer .btn{height:44px;min-width:64px}
.jump{position:fixed;right:14px;bottom:calc(env(safe-area-inset-bottom) + 76px);border:1px solid var(--line);background:var(--panel);border-radius:999px;padding:7px 13px;font-size:13px;box-shadow:0 2px 8px rgba(0,0,0,.15)}

/* sheet */
.sheet-bg{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:20;display:flex;align-items:flex-end}
.sheet{width:100%;background:var(--panel);border-radius:18px 18px 0 0;padding:18px 16px calc(env(safe-area-inset-bottom) + 16px)}
.sheet h3{margin:0 0 12px}
.sheet label{display:block;font-size:13px;color:var(--muted);margin:10px 0 4px}
.sheet select,.sheet input{width:100%;padding:11px;border-radius:10px;border:1px solid var(--line);background:var(--bg)}
#toast{position:fixed;left:50%;bottom:calc(env(safe-area-inset-bottom) + 90px);transform:translateX(-50%);background:#222;color:#fff;padding:8px 14px;border-radius:10px;font-size:14px;opacity:0;pointer-events:none;transition:opacity .2s;z-index:30;max-width:88vw}
#toast.show{opacity:.94}

/* additions for the module UI */
[hidden]{display:none!important}
.pill.ok{background:rgba(21,128,61,.13);color:var(--ok)}
.chat-scroll{overflow-anchor:none}
.more-wrap{display:flex;justify-content:center}
.more-wrap .more{padding:6px 14px;font-size:13px}
.panel:empty{display:none}
.panel{padding-top:8px;max-height:50vh;overflow-y:auto}
.banner.off{background:var(--err-bg);color:var(--err)}
.scroll>.banner{margin:10px 12px 0}
.msg.assistant.bare{background:transparent;border:0;box-shadow:none;padding:0 2px}
.msg.assistant.bare.streaming{border:0}
.msg.assistant.streaming::after{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--accent);margin-left:4px;animation:pulse 1.2s infinite}
.msg.assistant .att,.msg.assistant .ask .att{background:var(--code)}
.msg.user .fail-note{font-size:12px;margin-top:4px;opacity:.85}
.tools{margin:2px 0}
.tool summary{display:flex;align-items:baseline;gap:6px;min-width:0}
.tool summary::before{flex:none}
.tool .ic{flex:none;width:1em;text-align:center;color:var(--ok)}
.tool.bad .ic{color:var(--err)}
.tool .nm{flex:none}
.tool .sm{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tool-arg{font:12px/1.45 ui-monospace,SFMono-Regular,Consolas,monospace;white-space:pre-wrap;word-break:break-all;color:var(--muted);margin:2px 0 4px}
.tool-group>summary{color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tool-group>.tool{margin-left:4px}
.think-d>summary{font-size:13px}
.ask{border:1px solid var(--warn);background:var(--warn-bg);border-radius:12px;padding:9px 12px;margin:4px 0;font-size:14px}
.ask.done{border-color:var(--line);background:var(--code)}
.ask-h{font-weight:600;margin-bottom:4px;color:var(--warn)}
.ask.done .ask-h{color:var(--muted)}
.ask-q{margin:6px 0}
.ask-opts{display:flex;flex-wrap:wrap;gap:5px;margin-top:4px}
.ask-opts span{font-size:13px;padding:2px 9px;border-radius:999px;border:1px solid var(--line);background:var(--panel)}
.clamp{max-height:22em;overflow:hidden;-webkit-mask-image:linear-gradient(#000 75%,transparent);mask-image:linear-gradient(#000 75%,transparent)}
.expand{display:block;margin-top:6px;border:0;background:rgba(255,255,255,.2);color:inherit;border-radius:8px;padding:3px 10px;font-size:13px}
.item .tag{flex:none;color:var(--accent);font-weight:600}
.opt-btn{margin-top:10px}
.sheet p{margin:0 0 6px}
.md>:first-child{margin-top:0}
.md>:last-child{margin-bottom:0}
.md li>p{margin:.15em 0}
.md hr{border:0;border-top:1px solid var(--line);margin:.8em 0}
.md a{word-break:break-all}