:root{--bg:#0b1020;--panel:#11182c;--panel2:#18213a;--line:#26304d;--text:#e6e9f2;--muted:#94a0bd;--accent:#6366f1;--accent2:#ec4899;--ok:#16a34a;--warn:#b45309;--err:#ef4444;--user:#4f46e5;--r:12px;--s1:4px;--s2:8px;--s3:12px;--s4:16px;--s5:24px;--fs:15px;--code:#0a0f1e;--shadow:0 8px 30px rgba(0,0,0,.35)}
:root[data-theme=light]{--bg:#f7f8fc;--panel:#ffffff;--panel2:#eef1f8;--line:#dde2ee;--text:#151a2d;--muted:#5d6785;--user:#4f46e5;--code:#f1f3f9;--shadow:0 8px 30px rgba(20,30,60,.12)}
*{box-sizing:border-box}html,body{height:100%}body{margin:0;font:var(--fs)/1.55 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans","Noto Sans Bengali","Noto Naskh Arabic","Noto Nastaliq Urdu","Noto Sans Devanagari","PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}a{color:#818cf8}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--s2);background:var(--accent);color:#fff;border:0;border-radius:10px;padding:9px 14px;cursor:pointer;font-weight:600;white-space:nowrap}
.btn:hover{filter:brightness(1.08)}.btn:disabled{opacity:.5;cursor:default}.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}.btn.ghost:hover{background:var(--panel2)}.btn.danger{background:var(--err)}.btn.sm{padding:5px 10px;font-size:13px;font-weight:500}
.icon{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;border:0;background:transparent;cursor:pointer;color:var(--muted);font-size:18px;flex:none}.icon:hover{background:var(--panel2);color:var(--text)}.icon.on{background:var(--ok);color:#fff}
.input,select.input,textarea.input{width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:var(--panel);outline:none}.input:focus{border-color:var(--accent)}
label.f{display:block;font-size:13px;color:var(--muted);margin:var(--s3) 0 var(--s1)}
.muted{color:var(--muted)}.small{font-size:13px}.credit{font-size:12px;color:var(--muted);letter-spacing:.2px}
/* login */
#root{min-height:100%}.login{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:var(--s5);background:radial-gradient(circle at 20% 10%,rgba(99,102,241,.18),transparent 45%),radial-gradient(circle at 85% 90%,rgba(236,72,153,.14),transparent 45%)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:32px 28px;width:min(400px,100%);box-shadow:var(--shadow)}
.login .card{text-align:center}.login .logo{height:54px}.login h1{font-size:22px;margin:22px 0 4px}.login form{display:flex;flex-direction:column;gap:var(--s3);margin-top:var(--s5);text-align:start}
.login .credit{margin-top:6px}.login .lang{position:absolute;top:16px;inset-inline-end:16px}
.err{color:var(--err);font-size:14px;white-space:pre-wrap;min-height:1em}
/* layout */
.app{display:flex;height:100dvh}
.side{width:272px;flex:none;background:var(--panel);border-inline-end:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.side .top{padding:var(--s4) var(--s3) var(--s2)}.side .brand{display:flex;align-items:center;justify-content:space-between;padding:0 var(--s2) var(--s3)}.side .brand img{height:30px}
.side .newchat{width:100%}
.nav{padding:var(--s2) var(--s3);display:flex;flex-direction:column;gap:2px}.nav button{display:flex;align-items:center;gap:var(--s3);width:100%;padding:9px 10px;border:0;border-radius:9px;background:transparent;cursor:pointer;text-align:start;color:var(--text)}
.nav button:hover{background:var(--panel2)}.nav button.on{background:var(--panel2);font-weight:600}.nav .ico{width:20px;text-align:center;opacity:.85}
.side h4{margin:var(--s3) var(--s4) var(--s1);font-size:12px;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);font-weight:600}
.recent{flex:1;overflow-y:auto;padding:0 var(--s3) var(--s3)}.recent .it{display:flex;align-items:center;border-radius:8px;padding:7px 10px;cursor:pointer;font-size:14px;color:var(--text);gap:6px}.recent .it:hover,.recent .it.on{background:var(--panel2)}.recent .it span{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.side .foot{border-top:1px solid var(--line);padding:var(--s3) var(--s4);display:flex;align-items:center;gap:var(--s2)}.side .foot .credit{flex:1}
.main{flex:1;display:flex;flex-direction:column;min-width:0}
.bar{height:56px;flex:none;display:flex;align-items:center;gap:var(--s2);padding:0 var(--s3);border-bottom:1px solid var(--line);background:var(--bg)}.bar h2{flex:1;font-size:16px;margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bar .menu{display:none}
.bar .tag{font-size:12px;background:var(--panel2);border:1px solid var(--line);border-radius:999px;padding:2px 10px;color:var(--muted)}
.view{flex:1;overflow-y:auto;min-height:0}.wrap{max-width:820px;margin:0 auto;padding:var(--s5) var(--s4)}
.scrim{display:none}
/* chat */
.msgs{max-width:820px;margin:0 auto;padding:var(--s5) var(--s4) var(--s4);display:flex;flex-direction:column;gap:var(--s4)}
.m{display:flex;gap:var(--s3);align-items:flex-start}.m .av{width:30px;height:30px;border-radius:9px;flex:none;background:url(/brand/mark.svg) center/cover}.m.user{justify-content:flex-end}.m.user .av{display:none}
.m .body{min-width:0;max-width:100%;unicode-bidi:plaintext}.m.user .body{background:var(--user);color:#fff;padding:10px 14px;border-radius:16px;border-end-end-radius:4px;max-width:80%;white-space:pre-wrap}
.m.assistant .body{flex:1;padding-top:3px}.m.error .body{border-inline-start:3px solid var(--err);padding-inline-start:10px}
.md p{margin:0 0 .7em}.md p:last-child{margin-bottom:0}.md ul,.md ol{margin:.2em 0 .8em;padding-inline-start:1.4em}.md h1,.md h2,.md h3{margin:1em 0 .4em;line-height:1.3}.md h1{font-size:1.3em}.md h2{font-size:1.15em}.md h3{font-size:1.05em}
.md code{background:var(--panel2);padding:1px 6px;border-radius:6px;font:13px ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.md blockquote{margin:0 0 .8em;padding-inline-start:12px;border-inline-start:3px solid var(--line);color:var(--muted)}
.md table{border-collapse:collapse;margin:0 0 .8em;display:block;overflow-x:auto}.md td,.md th{border:1px solid var(--line);padding:5px 9px}
.pre{position:relative;margin:0 0 .8em;border:1px solid var(--line);border-radius:10px;overflow:hidden;direction:ltr}.pre .ph{display:flex;justify-content:space-between;align-items:center;background:var(--panel2);padding:4px 10px;font-size:12px;color:var(--muted)}
.pre pre{margin:0;padding:12px;overflow-x:auto;background:var(--code)}.pre pre code{background:none;padding:0;font-size:13px;line-height:1.5}
.acts{display:flex;gap:2px;margin-top:6px;opacity:.75}.acts .icon{width:30px;height:30px;font-size:15px}
.meta{font-size:12.5px;color:var(--muted);margin-top:8px}.meta a{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.m img.att{max-width:240px;max-height:240px;border-radius:10px;display:block;margin-top:8px}
.chip{display:inline-flex;align-items:center;gap:4px;background:var(--panel2);border:1px solid var(--line);border-radius:8px;padding:2px 8px;margin:6px 6px 0 0;font-size:12.5px}.chip b{cursor:pointer}
.typing{display:inline-flex;gap:4px;padding:8px 0}.typing i{width:7px;height:7px;border-radius:50%;background:var(--muted);animation:bl 1.2s infinite}.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes bl{0%,80%,100%{opacity:.25}40%{opacity:1}}
.welcome{text-align:center;padding:8vh var(--s4) var(--s4)}.welcome img{height:64px}.welcome h3{font-size:22px;margin:18px 0 6px}.sugg{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:var(--s2);max-width:640px;margin:var(--s5) auto 0}
.sugg button{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px;cursor:pointer;text-align:start}.sugg button:hover{border-color:var(--accent)}
.composer{flex:none;padding:var(--s2) var(--s4) max(12px,env(safe-area-inset-bottom))}.composer .cbox{max-width:820px;margin:0 auto;background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:6px;box-shadow:var(--shadow)}
.composer .cbox:focus-within{border-color:var(--accent)}.composer .row{display:flex;align-items:flex-end;gap:4px}.composer textarea{flex:1;resize:none;border:0;background:transparent;outline:none;padding:9px 6px;max-height:200px;min-width:0}
.composer .send{width:38px;height:38px;border-radius:50%;padding:0}.vbtn{width:38px;height:38px;border-radius:50%;border:0;cursor:pointer;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-size:17px;flex:none}
#pending{padding:0 6px}
/* lists / cards */
.toolbar{display:flex;gap:var(--s2);align-items:center;margin-bottom:var(--s4);flex-wrap:wrap}.toolbar .input{flex:1;min-width:180px}
.list{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--panel)}
.row{display:flex;align-items:center;gap:var(--s3);padding:12px 14px;border-bottom:1px solid var(--line)}.list .row:last-child{border-bottom:0}.list .row.click{cursor:pointer}.list .row.click:hover{background:var(--panel2)}
.row .grow{flex:1;min-width:0}.row .ttl{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.row .sub{font-size:13px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pill{font-size:12px;border-radius:999px;padding:2px 9px;background:var(--panel2);border:1px solid var(--line);color:var(--muted);white-space:nowrap}.pill.active,.pill.reading{color:#4ade80;border-color:#166534}.pill.done{color:#93c5fd;border-color:#1e3a8a}.pill.paused,.pill.want{color:#fbbf24;border-color:#92400e}.pill.needs_setup{color:#fbbf24}
.empty{text-align:center;color:var(--muted);padding:48px 16px;border:1px dashed var(--line);border-radius:var(--r)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:var(--s4)}@media(max-width:760px){.grid2{grid-template-columns:1fr}}
.sec{margin-top:var(--s5)}.sec h3{font-size:15px;margin:0 0 var(--s3);display:flex;align-items:center;gap:var(--s2)}.sec h3 .sp{flex:1}
.stars{color:#fbbf24;letter-spacing:1px;white-space:nowrap}.stars.ed button{background:none;border:0;cursor:pointer;font-size:20px;color:var(--line);padding:0 1px}.stars.ed button.on{color:#fbbf24}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden}.seg button{border:0;background:transparent;padding:6px 12px;cursor:pointer;color:var(--muted)}.seg button.on{background:var(--panel2);color:var(--text);font-weight:600}
.sw{width:44px;height:26px;border-radius:13px;background:var(--line);position:relative;border:0;cursor:pointer;flex:none}.sw.on{background:var(--ok)}.sw:after{content:"";position:absolute;top:3px;inset-inline-start:3px;width:20px;height:20px;border-radius:50%;background:#fff;transition:.2s}.sw.on:after{inset-inline-start:21px}.sw:disabled{opacity:.4;cursor:default}
kbd{font:12px ui-monospace,monospace;background:var(--panel2);border:1px solid var(--line);border-bottom-width:2px;border-radius:6px;padding:1px 6px}
.skel{height:52px;border-radius:10px;background:linear-gradient(90deg,var(--panel) 0%,var(--panel2) 50%,var(--panel) 100%);background-size:200% 100%;animation:sk 1.3s infinite;margin-bottom:8px}@keyframes sk{to{background-position:-200% 0}}
/* modal, toast, voice */
.modal{position:fixed;inset:0;background:rgba(2,6,23,.6);display:flex;align-items:center;justify-content:center;z-index:30;padding:16px}.modal .card{text-align:start;max-height:90vh;overflow:auto;width:min(520px,100%)}.modal h3{margin:0 0 var(--s2)}.modal .actions{display:flex;justify-content:flex-end;gap:var(--s2);margin-top:var(--s5)}
#toasts{position:fixed;bottom:96px;left:50%;transform:translateX(-50%);z-index:50;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}.toast{background:#1f2937;color:#fff;padding:10px 14px;border-radius:10px;max-width:92vw;white-space:pre-wrap;box-shadow:var(--shadow);pointer-events:auto}.toast.bad{background:#7f1d1d}
.langsel{background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:6px 8px;cursor:pointer;max-width:150px}
#voice{position:fixed;inset:0;background:rgba(5,8,20,.97);color:#e6e9f2;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;z-index:40;padding:20px;text-align:center}
#orb{width:190px;height:190px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#a5b4fc,#6366f1 55%,#312e81);transition:transform .08s;box-shadow:0 0 60px #6366f180;border:0;font-size:46px;cursor:pointer}
#orb.listening{background:radial-gradient(circle at 35% 30%,#86efac,#16a34a 55%,#14532d);box-shadow:0 0 60px #16a34a90}#orb.thinking{animation:pulse 1.2s infinite}#orb.speaking{background:radial-gradient(circle at 35% 30%,#f9a8d4,#ec4899 55%,#831843)}
@keyframes pulse{50%{opacity:.6;transform:scale(.94)}}#vstate{font-size:20px}#vtext{max-width:640px;max-height:30vh;overflow:auto;opacity:.85;white-space:pre-wrap;unicode-bidi:plaintext}
@media(max-width:860px){.side{position:fixed;inset-block:0;inset-inline-start:0;z-index:25;transform:translateX(-105%);transition:transform .2s;box-shadow:var(--shadow)}[dir=rtl] .side{transform:translateX(105%)}.app.open .side{transform:none}.app.open .scrim{display:block;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:24}.bar .menu{display:inline-flex}.m.user .body{max-width:88%}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
@media(max-width:600px){.list .row{flex-wrap:wrap}.list .row .grow{flex:1 1 calc(100% - 44px)}.toolbar .seg{width:100%;overflow-x:auto}}
.composer textarea::placeholder{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}@media(max-width:600px){.bar .langsel{max-width:110px}.composer{padding-inline:8px}}