:root{--ink:#141A2E;--surface:#FCFBF7;--surface-2:#F2F0E9;--surface-3:#E9E6DD;--primary:#1F3A93;--accent:#1DA55A;--success:#0E7490;--warning:#B26B00;--danger:#B3261E;--muted:#5D6478;--line:rgba(20,26,46,.12);--line-strong:rgba(20,26,46,.26);--shadow:0 1px 2px rgba(20,26,46,.06),0 8px 24px -16px rgba(20,26,46,.18);--font-latin:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;--font-bangla:"Noto Sans Bengali","Hind Siliguri",system-ui,sans-serif;--side:248px;--top:56px}
@media (prefers-color-scheme:dark){:root{--ink:#ECEFF6;--surface:#0F1424;--surface-2:#1A2036;--surface-3:#232A45;--primary:#8FA7FF;--accent:#4ADE80;--success:#5EEAD4;--warning:#F2B24E;--danger:#FF8A80;--muted:#9AA3B8;--line:rgba(236,239,246,.14);--line-strong:rgba(236,239,246,.3);--shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px -16px rgba(0,0,0,.6)}}
*{box-sizing:border-box}
html,body{margin:0;background:var(--surface);color:var(--ink);font-family:var(--font-latin),var(--font-bangla);font-size:15px;line-height:1.5}
:lang(bn),.bn{font-family:var(--font-bangla);line-height:1.7}
a{color:var(--primary)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

/* ---- shell ---- */
.shell{display:grid;grid-template-columns:var(--side) 1fr;min-height:100vh}
.scrim{display:none;position:fixed;inset:0;background:rgba(20,26,46,.4);z-index:25}
.side{background:var(--surface-2);border-right:1px solid var(--line);padding:16px 12px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow:auto}
.lockup{display:flex;align-items:center;gap:10px;margin:2px 8px 16px;text-decoration:none;color:var(--ink)}
.dot{width:12px;height:12px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px color-mix(in srgb,var(--accent) 22%,transparent);flex:none}
.lockup b{font-size:17px;letter-spacing:-.02em;display:block;line-height:1.1}.lockup b span{font-weight:500}
.lockup small{display:block;font-family:var(--font-bangla);color:var(--muted);font-size:12px;line-height:1.3}
.nav{flex:1}
.nav a{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;color:var(--ink);text-decoration:none;font-size:14px;font-weight:500;position:relative}
.nav a svg{width:18px;height:18px;flex:none;color:var(--muted)}
.nav a:hover{background:color-mix(in srgb,var(--surface) 70%,transparent)}
.nav a.on{background:var(--surface);font-weight:600;box-shadow:var(--shadow)}
.nav a.on svg{color:var(--primary)}
.nav a.on:before{content:"";position:absolute;left:-12px;top:8px;bottom:8px;width:3px;border-radius:0 3px 3px 0;background:var(--primary)}
.nav .sect{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:16px 10px 4px;font-weight:600}
.nav a .count{margin-left:auto;font-size:11px;font-weight:600;background:var(--warning);color:#fff;border-radius:999px;padding:1px 7px}
.account{border-top:1px solid var(--line);margin-top:12px;padding-top:12px}
.account .who{display:flex;align-items:center;gap:10px;padding:6px 8px}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--primary);color:var(--surface);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12px;flex:none}
.account .who div{min-width:0}
.account .who b{display:block;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.account .who small{display:block;color:var(--muted);font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.account form{margin:8px 8px 0}
.account .legal{margin:10px 8px 0;font-size:12px;color:var(--muted)}
.account .legal a{color:var(--muted)}

.mainwrap{min-width:0;display:flex;flex-direction:column}
.topbar{height:var(--top);display:flex;align-items:center;gap:14px;padding:0 28px;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(8px);position:sticky;top:0;z-index:10}
.topbar .crumb{font-size:14px;font-weight:600;flex:1;display:flex;align-items:center;gap:8px;min-width:0}
.topbar .crumb span{color:var(--muted);font-weight:500}
.topbar .status{display:flex;align-items:center;gap:10px;font-size:13px}
.topbar .balance{text-decoration:none;color:var(--ink);font-weight:600;font-variant-numeric:tabular-nums;padding:5px 10px;border-radius:8px;background:var(--surface-2)}
.topbar .balance.low{background:color-mix(in srgb,var(--warning) 16%,transparent);color:var(--warning)}
.burger{display:none;font:inherit;background:none;border:1px solid var(--line);border-radius:8px;width:36px;height:36px;cursor:pointer;color:var(--ink)}
.main{padding:28px 32px 48px;max-width:1180px;width:100%}

@media (max-width:900px){
  .shell{grid-template-columns:1fr}
  .side{position:fixed;left:0;top:0;bottom:0;width:var(--side);z-index:30;transform:translateX(-100%);transition:transform .18s ease;box-shadow:var(--shadow)}
  .side.open{transform:none}
  .scrim.open{display:block}
  .burger{display:inline-flex;align-items:center;justify-content:center}
  .topbar{padding:0 16px}
  .main{padding:18px 16px 40px}
}

/* ---- page ---- */
h1{font-size:22px;margin:0 0 4px;letter-spacing:-.015em;line-height:1.2}
h2{font-size:15px;margin:28px 0 10px;letter-spacing:-.005em}
h3{font-size:14px;margin:18px 0 8px}
.lead{color:var(--muted);margin:0 0 22px;max-width:72ch;font-size:15px}
.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;flex-wrap:wrap}
.page-head .actions{display:flex;gap:8px;flex-wrap:wrap}
.muted{color:var(--muted)}.small{font-size:13px}.right{text-align:right}
code{background:var(--surface-2);padding:2px 5px;border-radius:5px;font-size:13px;font-family:ui-monospace,Menlo,monospace}

/* ---- tiles ---- */
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(168px,1fr));gap:12px;margin:14px 0 6px}
.tiles.six{grid-template-columns:repeat(3,1fr)}
@media (max-width:700px){.tiles.six{grid-template-columns:1fr 1fr}}
.tile{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 16px;box-shadow:var(--shadow)}
.tile .k{font-size:12px;color:var(--muted);font-weight:600}
.tile .v{font-size:26px;font-weight:700;font-variant-numeric:tabular-nums;margin-top:4px;letter-spacing:-.02em;line-height:1.15}
.tile .d{font-size:12px;margin-top:6px;color:var(--muted)}
.tile .d.up{color:var(--success)}.tile .d.down{color:var(--danger)}
.tile .spark{margin-top:8px;height:28px;display:block;width:100%}

/* ---- cards & grids ---- */
.card{border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin:14px 0;background:var(--surface);box-shadow:var(--shadow)}
.card>h2:first-child,.card>h3:first-child{margin-top:0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}
.cols2{display:grid;grid-template-columns:1.4fr 1fr;gap:16px;align-items:start}
@media (max-width:900px){.grid2,.cols2{grid-template-columns:1fr}}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}

/* ---- tables ---- */
.wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:var(--surface);box-shadow:var(--shadow);margin:12px 0}
table{width:100%;border-collapse:separate;border-spacing:0;font-size:14px}
th{text-align:left;font-weight:600;color:var(--muted);font-size:12px;padding:10px 14px;border-bottom:1px solid var(--line);background:var(--surface-2);position:sticky;top:0;white-space:nowrap}
td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top;font-variant-numeric:tabular-nums}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover td{background:color-mix(in srgb,var(--surface-2) 55%,transparent)}
td.empty{padding:34px 16px;text-align:center;color:var(--muted)}
td.empty b{display:block;color:var(--ink);font-size:15px;margin-bottom:4px}
td.empty .btn{margin-top:12px}
.wrap>table>tbody>tr>td>a{font-weight:500}

/* ---- forms ---- */
label{display:block;font-size:13px;font-weight:600;margin:12px 0 4px}
.help{font-size:12.5px;color:var(--muted);margin:4px 0 0}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=url],input[type=search],select,textarea{width:100%;font:inherit;padding:9px 11px;border:1px solid var(--line-strong);border-radius:8px;background:var(--surface);color:var(--ink);transition:border-color .12s}
input:hover,select:hover,textarea:hover{border-color:var(--muted)}
input:focus,select:focus,textarea:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 18%,transparent)}
textarea{min-height:110px;font-family:var(--font-latin),var(--font-bangla)}
textarea.code,pre.code{font-family:ui-monospace,Menlo,monospace;font-size:13px}
pre.code{background:var(--surface-2);padding:12px 14px;border-radius:8px;overflow:auto;white-space:pre-wrap;border:1px solid var(--line)}
input[type=file]{font:inherit;font-size:13px;padding:10px;border:1px dashed var(--line-strong);border-radius:8px;width:100%;background:var(--surface-2);color:var(--muted)}
input[type=file]::file-selector-button{font:inherit;font-weight:600;font-size:13px;padding:6px 12px;border-radius:6px;border:1px solid var(--line-strong);background:var(--surface);color:var(--ink);margin-right:10px;cursor:pointer}
input[type=checkbox],input[type=radio]{accent-color:var(--primary);width:15px;height:15px}
.check{display:flex;gap:8px;align-items:center;font-weight:500;margin:10px 0}

/* ---- buttons ---- */
.btn{font:inherit;font-weight:600;font-size:14px;padding:9px 16px;border-radius:8px;border:1px solid transparent;cursor:pointer;background:var(--primary);color:var(--surface);text-decoration:none;display:inline-flex;align-items:center;gap:8px;line-height:1.2;transition:filter .12s,transform .08s}
.btn:hover{filter:brightness(1.08)}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.55;cursor:default}
.btn.secondary{background:var(--surface);color:var(--ink);border-color:var(--line-strong)}
.btn.secondary:hover{filter:none;border-color:var(--ink)}
.btn.small{padding:5px 11px;font-size:13px}
.btn.danger{background:transparent;color:var(--danger);border-color:var(--danger)}
.btn.danger:hover{background:color-mix(in srgb,var(--danger) 10%,transparent);filter:none}

/* ---- pills, chips ---- */
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:3px 9px;border-radius:999px;background:var(--surface-2);color:var(--ink);text-decoration:none;white-space:nowrap}
.pill i{width:7px;height:7px;border-radius:50%;display:inline-block;background:var(--muted)}
.pill.ok{background:color-mix(in srgb,var(--success) 14%,transparent);color:var(--success)}.pill.ok i{background:var(--success)}
.pill.warn{background:color-mix(in srgb,var(--warning) 16%,transparent);color:var(--warning)}.pill.warn i{background:var(--warning)}
.pill.bad{background:color-mix(in srgb,var(--danger) 12%,transparent);color:var(--danger)}.pill.bad i{background:var(--danger)}
.pill.live{background:color-mix(in srgb,var(--accent) 16%,transparent);color:var(--ink)}.pill.live i{background:var(--accent)}
.chips{display:inline-flex;gap:2px;padding:3px;border:1px solid var(--line);border-radius:10px;background:var(--surface-2);margin:8px 0 12px;flex-wrap:wrap}
.chips a{font-size:13px;font-weight:500;padding:5px 11px;border-radius:7px;color:var(--muted);text-decoration:none}
.chips a.on{background:var(--surface);color:var(--ink);font-weight:600;box-shadow:var(--shadow)}
.row>a.pill{cursor:pointer}

/* ---- flashes → toasts ---- */
.flash{padding:10px 14px;border-radius:10px;background:color-mix(in srgb,var(--success) 12%,transparent);border:1px solid color-mix(in srgb,var(--success) 30%,transparent);margin:0 0 16px;font-size:14px}
.flash.err{background:color-mix(in srgb,var(--danger) 10%,transparent);border-color:color-mix(in srgb,var(--danger) 30%,transparent)}
.flash.warn{background:color-mix(in srgb,var(--warning) 12%,transparent);border-color:color-mix(in srgb,var(--warning) 30%,transparent)}
.toasts{position:fixed;right:18px;top:calc(var(--top) + 12px);z-index:40;display:grid;gap:8px;max-width:min(420px,calc(100vw - 36px))}
.toasts .flash{margin:0;box-shadow:var(--shadow);background:var(--surface);animation:toast .18s ease-out}
.toasts .flash:before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--success);margin-right:8px}
.toasts .flash.err:before{background:var(--danger)}.toasts .flash.warn:before{background:var(--warning)}
@keyframes toast{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.toasts .flash{animation:none}.side{transition:none}}

/* ---- misc ---- */
.steps{list-style:none;padding:0;margin:0;display:grid;gap:6px}
.steps li{display:flex;gap:10px;align-items:center;padding:9px 12px;border-radius:8px;background:var(--surface-2);font-size:14px}
.steps li.done{opacity:.6}.steps li.done a{text-decoration:line-through}
.steps li:before{content:"";width:9px;height:9px;border-radius:50%;background:var(--warning);flex:none}
.steps li.done:before{background:var(--success)}
.progress{height:6px;border-radius:999px;background:var(--surface-3);overflow:hidden;margin:10px 0 14px}
.progress i{display:block;height:100%;background:var(--success);border-radius:999px}
.chat{display:grid;gap:8px;max-height:420px;overflow:auto;padding:8px 0}
.bubble{max-width:75%;padding:9px 13px;border-radius:12px;background:var(--surface-2)}
.bubble.me{margin-left:auto;background:color-mix(in srgb,var(--primary) 14%,transparent)}
.bubble.bot{background:var(--surface-2)}
.bubble.human{background:color-mix(in srgb,var(--success) 14%,transparent)}
.auth{max-width:420px;margin:60px auto;padding:0 16px}
.auth .card{padding:26px}
.kv{display:grid;grid-template-columns:160px 1fr;gap:4px 12px;font-size:14px}
.kv dt{color:var(--muted)}.kv dd{margin:0;word-break:break-all}
.passages li{margin:8px 0}
.list{list-style:none;padding:0;margin:0}
.list li{display:flex;gap:12px;align-items:flex-start;padding:10px 0;border-bottom:1px solid var(--line)}
.list li:last-child{border-bottom:0}
.list .when{color:var(--muted);font-size:12px;white-space:nowrap;padding-top:2px;width:86px;flex:none}
.list .what{min-width:0;flex:1}
.list .what a{font-weight:500;text-decoration:none;color:var(--ink)}
.list .what a:hover{text-decoration:underline}
.list .what .sub{color:var(--muted);font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chart{width:100%;height:150px;display:block}
.legend{display:flex;gap:14px;font-size:12px;color:var(--muted);margin-top:6px;flex-wrap:wrap}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px;vertical-align:-1px}
.attn{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.attn li{display:flex;gap:10px;align-items:center;padding:10px 12px;border-radius:8px;border:1px solid var(--line);font-size:14px}
.attn li.warn{border-color:color-mix(in srgb,var(--warning) 40%,transparent);background:color-mix(in srgb,var(--warning) 8%,transparent)}
.attn li.bad{border-color:color-mix(in srgb,var(--danger) 40%,transparent);background:color-mix(in srgb,var(--danger) 8%,transparent)}
.attn li a{margin-left:auto;white-space:nowrap;font-weight:600}

/* ---- persona gallery ---- */
.personas{display:grid;gap:8px;margin:4px 0 14px}
.persona{display:flex;gap:12px;align-items:flex-start;padding:10px 12px;border:1px solid var(--line);border-radius:10px;cursor:pointer;margin:0;font-weight:400;background:var(--surface)}
.persona:hover{border-color:var(--line-strong)}
.persona.on{border-color:var(--primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 16%,transparent)}
.persona input{position:absolute;opacity:0;pointer-events:none}
.persona img{width:48px;height:48px;border-radius:50%;flex:none}
.persona .pd{min-width:0}
.persona .pd b{display:block;font-size:15px;font-family:var(--font-bangla),var(--font-latin)}
.persona .pd b .muted{font-family:var(--font-latin);font-weight:500;font-size:13px}
.persona .pc{display:block;font-size:13px;color:var(--ink);margin-top:2px}
.persona .pm{display:block;font-size:12px;color:var(--muted);margin-top:2px}
.voice-try{margin:6px 0 4px;padding:12px 14px;border-radius:10px;background:var(--surface-2)}
.voice-try textarea{min-height:64px;font-family:var(--font-bangla),var(--font-latin);font-size:15px}

/* ---- campaigns ---- */
.tpl-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px;margin-top:10px}
.tpl{display:block;padding:14px 16px;border:1px solid var(--line);border-radius:10px;text-decoration:none;color:var(--ink);background:var(--surface);box-shadow:var(--shadow)}
.tpl:hover{border-color:var(--primary)}
.tpl b{display:block;font-size:15px;margin-bottom:4px}
.tpl span{display:block;font-size:13px;color:var(--muted)}
.tpl small{display:block;font-size:12px;color:var(--muted);margin-top:8px}
.qrow{display:flex;gap:6px;align-items:center;margin-bottom:6px;flex-wrap:wrap}
.qrow input,.qrow select{margin:0}