/* N Space — Symphony-style minimal workspace. Mobile-first, one fluid layout. */
:root{
  --bg:#f4f4f5; --card:#fff; --ink:#111214; --sub:#5f6672; --faint:#9aa1ad;
  --line:rgba(17,18,20,.08); --line2:rgba(17,18,20,.14);
  --lime:#a3ff6b; --lime-ink:#10240a; --blue:#2563eb; --red:#d93636; --amber:#f59e0b;
  --rail:64px; --r:20px;
  --safe-b:env(safe-area-inset-bottom,0px); --safe-t:env(safe-area-inset-top,0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%;margin:0}
body{background:var(--bg);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans Bengali",sans-serif;-webkit-font-smoothing:antialiased;overflow:hidden;overscroll-behavior:none}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
#root{height:100%;height:100dvh;width:100%;overflow:hidden}

/* ---------- shell ---------- */
.shell{display:flex;height:100%;width:100%}
.rail{width:var(--rail);flex:none;display:flex;flex-direction:column;align-items:center;gap:6px;padding:14px 0;background:var(--card);border-right:1px solid var(--line)}
.rail .logo{width:38px;height:38px;border-radius:12px;background:var(--lime);color:var(--lime-ink);display:grid;place-items:center;font-weight:800;font-size:16px;margin-bottom:10px}
.rail .nav{width:44px;height:44px;border:0;background:transparent;border-radius:13px;display:grid;place-items:center;color:var(--sub)}
.rail .nav:hover{background:#f0f1f3}
.rail .nav.on{background:#eef0f3;color:var(--ink)}
.rail .sp{flex:1}
.rail .me{width:36px;height:36px;border-radius:50%;background:linear-gradient(145deg,#1f3a5f,#3c6ab0);color:#fff;font-size:12px;font-weight:700;display:grid;place-items:center;border:0}
.main{flex:1;min-width:0;display:flex;flex-direction:column;height:100%;position:relative}
.page{flex:1;min-height:0;overflow-y:auto;padding:26px 32px 150px;-webkit-overflow-scrolling:touch}
.pwrap{max-width:980px;margin:0 auto}
h1.t{font-size:34px;letter-spacing:-1.2px;margin:4px 0 4px;font-weight:700}
.st{font-size:13px;color:var(--sub);margin:0 0 20px}
.card{background:var(--card);border-radius:var(--r);padding:16px 18px;border:1px solid var(--line)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.row{display:flex;align-items:center;gap:12px}
.pill{display:inline-flex;align-items:center;gap:7px;padding:5px 11px;border-radius:999px;border:1px solid var(--line2);font-size:11.5px;font-weight:600;background:#fff}
.pill .d{width:7px;height:7px;border-radius:50%;background:#22c55e}
.pill .d.off{background:#c9ced6}
.pill .d.busy{background:var(--amber);animation:pulse 1.2s infinite}
@keyframes pulse{50%{opacity:.35}}
.tag{font-size:10.5px;font-weight:700;padding:3px 8px;border-radius:7px;background:#e7f8dc;color:#2a6a0c}
.tag.blue{background:#e3edff;color:#1e4fc4}.tag.amber{background:#fff1d6;color:#8a5a00}.tag.red{background:#fde3e3;color:#a82020}.tag.gray{background:#eef0f3;color:var(--sub)}

/* ---------- topbar (mobile) ---------- */
.top{display:none}

/* ---------- composer (always bottom) ---------- */
.composer{position:absolute;left:0;right:0;bottom:0;padding:10px 20px calc(14px + var(--safe-b));background:linear-gradient(to top,var(--bg) 62%,transparent);pointer-events:none}
.comp{pointer-events:auto;max-width:760px;margin:0 auto;background:var(--card);border:1px solid var(--line2);border-radius:26px;box-shadow:0 14px 40px -18px rgba(17,18,20,.28);display:flex;align-items:flex-end;gap:6px;padding:8px 8px 8px 12px}
.comp textarea{flex:1;border:0;outline:0;resize:none;background:transparent;font-size:15px;line-height:1.45;max-height:132px;padding:9px 4px;min-height:24px}
.ib{width:38px;height:38px;border-radius:50%;border:0;background:transparent;color:var(--sub);display:grid;place-items:center;flex:none}
.ib:hover{background:#f0f1f3}
.go{width:40px;height:40px;border-radius:50%;border:0;background:var(--ink);color:#fff;display:grid;place-items:center;flex:none}
.go:disabled{opacity:.35}
.modes{display:flex;gap:6px;max-width:760px;margin:0 auto 8px;pointer-events:auto}
.mode{border:1px solid var(--line2);background:#fff;border-radius:999px;padding:6px 13px;font-size:12px;font-weight:600;color:var(--sub)}
.mode.on{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ---------- chat ---------- */
.msgs{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.m{display:flex;flex-direction:column;gap:4px;max-width:92%}
.m.u{align-self:flex-end;align-items:flex-end}
.m .b{padding:11px 15px;border-radius:18px;font-size:14.5px;line-height:1.6;white-space:pre-wrap;word-wrap:break-word}
.m.u .b{background:var(--ink);color:#fff;border-bottom-right-radius:6px}
.m.a .b{background:var(--card);border:1px solid var(--line);border-bottom-left-radius:6px}
.m .meta{font-size:10.5px;color:var(--faint);padding:0 6px}
.empty{text-align:center;padding:60px 10px 30px}
.empty .big{font-size:30px;font-weight:700;letter-spacing:-1px}
.empty p{color:var(--sub);font-size:14px;margin:8px 0 22px}
.chips{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.chip{border:1px solid var(--line2);background:#fff;border-radius:999px;padding:9px 15px;font-size:13px;font-weight:550}
.chip:hover{background:#f6f7f8}
.dots span{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--faint);margin:0 2px;animation:dt 1s infinite}
.dots span:nth-child(2){animation-delay:.15s}.dots span:nth-child(3){animation-delay:.3s}
@keyframes dt{50%{transform:translateY(-4px);background:var(--ink)}}

/* ---------- agents / home cards ---------- */
.stat{display:flex;flex-direction:column;gap:6px}
.stat .n{font-size:26px;font-weight:700;letter-spacing:-.8px}
.stat .l{font-size:12px;color:var(--sub)}
.arow{display:flex;align-items:center;gap:12px;padding:13px 4px;border-bottom:1px solid var(--line)}
.arow:last-child{border-bottom:0}
.av{width:34px;height:34px;border-radius:50%;flex:none;display:grid;place-items:center;font-size:13px;font-weight:700;color:#fff}
.arow .nm{font-weight:600;font-size:14px}
.arow .rl{font-size:12px;color:var(--sub)}
.act{padding:12px 4px;border-bottom:1px solid var(--line);font-size:13.5px}
.act:last-child{border:0}
.act .tm{font-size:11px;color:var(--faint)}

/* ---------- browser panel ---------- */
.bwrap{display:grid;grid-template-columns:1.5fr 1fr;gap:14px;align-items:start}
.view{background:#0f1115;border-radius:18px;overflow:hidden;border:1px solid var(--line2);display:flex;flex-direction:column;min-height:420px}
.view .bar{display:flex;align-items:center;gap:8px;padding:9px 12px;background:#1a1d24;color:#cfd4dd;font-size:12px}
.view .bar .dot{width:9px;height:9px;border-radius:50%;background:#3a3f4a}
.view .url{flex:1;background:#0f1115;border-radius:8px;padding:5px 10px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.view iframe{flex:1;border:0;background:#fff;min-height:380px;width:100%}
.view .ph{flex:1;display:grid;place-items:center;color:#7d8594;font-size:13px;text-align:center;padding:24px;min-height:380px}
.steps{display:flex;flex-direction:column;gap:8px}
.step{display:flex;gap:10px;font-size:13px;line-height:1.5;padding:10px 12px;background:#fff;border:1px solid var(--line);border-radius:14px}
.step .n{width:22px;height:22px;border-radius:50%;background:#eef0f3;display:grid;place-items:center;font-size:11px;font-weight:700;flex:none}
.step.done .n{background:var(--lime);color:var(--lime-ink)}
.result{background:#f2fbe9;border:1px solid #cfeab6;border-radius:16px;padding:14px 16px;font-size:14px;line-height:1.65;white-space:pre-wrap}

/* ---------- forms / settings ---------- */
.set{display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--card);border:1px solid var(--line);border-radius:16px;margin-bottom:8px}
.set .tx{flex:1;min-width:0}.set .a{font-weight:600;font-size:14px}.set .b{font-size:12px;color:var(--sub);margin-top:2px}
.tg{width:44px;height:26px;border-radius:999px;background:#d5d9e0;border:0;position:relative;flex:none;transition:.15s}
.tg:after{content:'';position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;transition:.15s;box-shadow:0 1px 3px rgba(0,0,0,.25)}
.tg.on{background:#22c55e}.tg.on:after{left:21px}
.btn{border:0;border-radius:14px;padding:12px 18px;font-weight:650;font-size:14px;background:var(--ink);color:#fff}
.btn.lime{background:var(--lime);color:var(--lime-ink)}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line2)}
.btn.sm{padding:8px 13px;font-size:12.5px;border-radius:11px}
.profile{display:flex;align-items:center;gap:14px}
.profile .big{width:60px;height:60px;border-radius:50%;background:linear-gradient(145deg,#1f3a5f,#3c6ab0);color:#fff;font-size:20px;font-weight:700;display:grid;place-items:center}

/* ---------- auth ---------- */
.auth{height:100%;display:grid;place-items:center;padding:20px;background:radial-gradient(900px 500px at 10% -10%,#eaf6e0,transparent 55%),radial-gradient(800px 500px at 110% 110%,#e5eefc,transparent 55%),var(--bg);overflow-y:auto}
.acard{width:min(100%,400px);background:#fff;border-radius:28px;border:1px solid var(--line);padding:28px 24px;box-shadow:0 30px 70px -34px rgba(17,18,20,.35)}
.acard .brand{display:flex;align-items:center;gap:11px;margin-bottom:20px}
.acard .brand .logo{width:42px;height:42px;border-radius:13px;background:var(--lime);color:var(--lime-ink);display:grid;place-items:center;font-weight:800;font-size:18px}
.acard h2{margin:0 0 4px;font-size:22px;letter-spacing:-.5px}
.acard .sub{font-size:13px;color:var(--sub);margin:0 0 16px}
.tabs2{display:flex;background:#eef0f3;border-radius:13px;padding:3px;margin-bottom:14px}
.tabs2 button{flex:1;border:0;background:transparent;padding:9px;border-radius:10px;font-weight:600;font-size:13px;color:var(--sub)}
.tabs2 button.on{background:#fff;color:var(--ink);box-shadow:0 2px 8px rgba(17,18,20,.08)}
.acard label{display:block;font-size:11.5px;font-weight:650;color:var(--sub);margin:12px 0 5px}
.acard input{width:100%;padding:12px 13px;border:1px solid var(--line2);border-radius:13px;font-size:14.5px;outline:0;background:#fff}
.acard input:focus{border-color:#8fb0ff;box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.acard .full{width:100%;margin-top:14px}
.or{display:flex;align-items:center;gap:10px;color:var(--faint);font-size:11px;font-weight:700;margin:14px 0 0}
.or:before,.or:after{content:'';flex:1;height:1px;background:var(--line2)}
.err{min-height:17px;font-size:12px;color:var(--red);font-weight:550;margin-top:8px}
.gbtn{display:flex;align-items:center;justify-content:center;gap:10px}
.gbtn svg{width:18px;height:18px}
.acct{display:flex;align-items:center;gap:11px;width:100%;padding:11px 13px;border:1px solid var(--line2);border-radius:14px;background:#fff;margin-top:8px;text-align:left}
.acct:hover{background:#f6f7f8}
.acct .av{width:30px;height:30px;font-size:11px}

/* ---------- toast ---------- */
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(110px + var(--safe-b));background:var(--ink);color:#fff;padding:10px 16px;border-radius:999px;font-size:13px;font-weight:550;z-index:99;max-width:90vw}

/* ---------- mobile: bottom tab bar, everything fits the screen ---------- */
.tabbar{display:none}
@media (max-width:820px){
  .rail{display:none}
  .shell{flex-direction:column}
  .top{display:flex;align-items:center;gap:10px;padding:calc(10px + var(--safe-t)) 16px 8px;background:var(--bg)}
  .top .logo{width:32px;height:32px;border-radius:10px;background:var(--lime);color:var(--lime-ink);display:grid;place-items:center;font-weight:800;font-size:14px}
  .top .ttl{font-weight:700;font-size:16px;letter-spacing:-.3px;flex:1}
  .page{padding:6px 16px 200px}
  h1.t{font-size:28px}
  .grid2,.grid3{grid-template-columns:1fr 1fr}
  .grid3{grid-template-columns:1fr 1fr}
  .bwrap{grid-template-columns:1fr}
  .view{min-height:340px}
  .view iframe,.view .ph{min-height:300px}
  .composer{bottom:calc(62px + var(--safe-b));padding:8px 12px 8px}
  .tabbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:20;background:rgba(255,255,255,.96);border-top:1px solid var(--line);padding:6px 6px calc(6px + var(--safe-b))}
  .tabbar button{flex:1;border:0;background:transparent;display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px 0;color:var(--faint);font-size:10px;font-weight:650;border-radius:12px}
  .tabbar button.on{color:var(--ink)}
  .tabbar button.on .ico{background:var(--lime)}
  .tabbar .ico{width:44px;height:28px;border-radius:14px;display:grid;place-items:center}
  .toast{bottom:calc(150px + var(--safe-b))}
}
@media (max-width:480px){
  .grid2{grid-template-columns:1fr}
  h1.t{font-size:26px}
}

/* short screens / landscape phones: keep the bar visible and compact */
@media (max-width:820px) and (max-height:620px){
  .top{display:none}
  .page{padding-bottom:170px}
  .tabbar button{font-size:9px;padding:3px 0}
  .tabbar .ico{height:24px}
}