:root{
  --brand:#0A4BD0;--brand-d:#0A3AA0;--sky:#0E8CF0;--sky-d:#0A6FC2;--indigo:#5B5BF0;
  --ink:#0F1B3D;--muted:#5B6787;--line:#DCE4F5;--bg:#F4F7FF;--card:#fff;--leaf:#E6EEFF;
  --ok:#0E9F6E;--warn:#D97706;--bad:#DC2626;
  --grad:linear-gradient(135deg,#0A4BD0 0%,#3B6CF5 55%,#0E8CF0 100%);
  --shadow:0 10px 30px -12px rgba(10,58,160,.28);--shadow-s:0 2px 10px -4px rgba(10,58,160,.18);
  --r:20px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:'Hind Siliguri',system-ui,sans-serif;color:var(--ink);line-height:1.65;font-size:17px;min-height:100vh;display:flex;flex-direction:column;
  background:var(--bg);background-image:radial-gradient(900px 420px at 85% -80px,rgba(14,140,240,.16),transparent 70%),radial-gradient(700px 380px at -10% 0,rgba(91,91,240,.12),transparent 70%);background-repeat:no-repeat}
main{flex:1}
h1,h2,h3{font-family:'Anek Bangla','Hind Siliguri',sans-serif;line-height:1.35;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(28px,5.2vw,52px)}h2{font-size:clamp(23px,3.6vw,34px)}h3{font-size:19px}
a{color:var(--brand)}
.wrap{width:min(1160px,100% - 32px);margin-inline:auto}
.muted,small{color:var(--muted)}small{display:block;font-size:14px;font-weight:400;margin-top:3px}
.center{text-align:center}.gap{margin-top:10px}.inl{display:inline}
img{max-width:100%}

/* ---------- top bar ---------- */
.top{background:rgba(255,255,255,.82);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid rgba(220,228,245,.8);position:sticky;top:0;z-index:20}
.bar{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:68px}
.logo{display:flex;align-items:center;gap:10px;font-family:'Anek Bangla','Hind Siliguri',sans-serif;font-weight:700;font-size:22px;color:var(--brand-d);text-decoration:none}
.logo-img{display:block;width:40px;height:40px;object-fit:contain;flex:none}
.brand-full{display:block;margin:0 auto 12px;max-width:100%}
.bar nav{display:flex;gap:8px;align-items:center}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.45em;min-height:48px;padding:0 26px;border-radius:999px;border:1.5px solid transparent;background:var(--grad);color:#fff;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;box-shadow:0 8px 18px -8px rgba(10,75,208,.55);transition:transform .15s,box-shadow .15s,background .15s}
.btn:hover{transform:translateY(-1px);box-shadow:0 12px 22px -8px rgba(10,75,208,.6)}
.btn:active{transform:translateY(0)}
.btn.alt{background:#fff;color:var(--brand);border-color:var(--line);box-shadow:none}
.btn.alt:hover{background:var(--leaf);border-color:#BFD0F5}
.btn.hot{background:linear-gradient(135deg,#0E8CF0,#5B5BF0)}
.btn.dark{background:var(--ink);box-shadow:none}
.btn.danger{background:#fff;color:var(--bad);border-color:#F6CACA;box-shadow:none}.btn.danger:hover{background:#FEF2F2}
.btn.lg{min-height:54px;padding:0 32px;font-size:18px}
.btn.sm{min-height:38px;padding:0 16px;font-size:15px}
.btn.block{width:100%}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}
.btn:focus-visible,.linkbtn:focus-visible,.mic:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #9DBBFF;outline-offset:2px}
.linkbtn{background:none;border:0;color:var(--brand);font:inherit;text-decoration:underline;cursor:pointer;padding:8px}

/* ---------- forms ---------- */
label{display:block;margin-bottom:14px;font-weight:500}
input,select{display:block;width:100%;min-height:50px;margin-top:6px;border:1.5px solid var(--line);border-radius:14px;padding:0 15px;font:inherit;font-size:16px;background:#fff;color:var(--ink);transition:border-color .15s,box-shadow .15s}
input:focus,select:focus{border-color:var(--sky);box-shadow:0 0 0 4px rgba(14,140,240,.14);outline:none}
input[type=file]{padding:10px 14px;height:auto}
input.otp{font-size:28px;letter-spacing:.5em;text-align:center;font-variant-numeric:tabular-nums}
.err,.ok{padding:11px 15px;border-radius:12px;margin:0 0 16px;font-weight:500}
.err{background:#FEF0EE;color:#932515;border:1px solid #F8CFC8}
.ok{background:#E8F8F1;color:#0B6B4A;border:1px solid #BDE8D6}
.auth{max-width:468px;margin:40px auto;padding:34px 30px;background:#fff;border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow)}
.auth h1{font-size:28px}

/* ---------- home ---------- */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:68px 0 44px}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 14px 6px 8px;border-radius:999px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-s);font-size:15px;font-weight:500;color:var(--brand-d);margin-bottom:18px}
.pill i{width:24px;height:24px;border-radius:50%;background:var(--grad);display:grid;place-items:center;color:#fff;font-style:normal;font-size:13px}
.hero h1{margin-bottom:.4em}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.lead{font-size:19px;max-width:33em;color:var(--muted)}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.trust{display:flex;gap:10px 22px;flex-wrap:wrap;margin:26px 0 0;padding:0;list-style:none;color:var(--muted);font-size:15px}
.trust li{display:flex;align-items:center;gap:7px}.trust svg{color:var(--ok)}
.vault{position:relative;padding:18px}
.vault::before{content:"";position:absolute;inset:0;border-radius:36px;background:var(--grad);opacity:.12;transform:rotate(3deg)}
.demo{position:relative;background:#fff;border:1px solid var(--line);border-radius:28px;padding:20px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--shadow)}
.demo-h{display:flex;align-items:center;gap:10px;padding-bottom:12px;border-bottom:1px solid var(--line);font-weight:600}
.demo-h img{width:30px;height:30px}.demo-h small{margin:0;margin-left:auto;color:var(--ok);display:flex;align-items:center;gap:5px}
.demo-h small::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--ok)}
.d{max-width:88%;padding:10px 15px;border-radius:18px}
.d.me{align-self:flex-end;background:var(--grad);color:#fff;border-bottom-right-radius:5px}
.d.bot{align-self:flex-start;background:var(--leaf);border-bottom-left-radius:5px}
.dfile{display:flex;gap:10px;align-items:center;margin-top:8px;background:#fff;color:var(--ink);border-radius:12px;padding:8px;border:1px solid var(--line)}
.dfile small{margin:0}
.ficon{width:46px;height:46px;border-radius:12px;background:var(--leaf);color:var(--brand);display:grid;place-items:center;font-weight:700;font-size:13px;flex:none}
.dbar{display:flex;justify-content:space-between;align-items:center;background:var(--bg);border:1px solid var(--line);color:var(--muted);border-radius:999px;padding:6px 6px 6px 18px;margin-top:4px}
.dmic{width:40px;height:40px;border-radius:50%;background:var(--grad);display:block}
.float{position:absolute;background:#fff;border:1px solid var(--line);border-radius:14px;padding:8px 14px;box-shadow:var(--shadow);font-size:14px;font-weight:600;display:flex;align-items:center;gap:8px}
.float.f1{top:-6px;right:-4px}.float.f2{bottom:30px;left:-12px}

.block-sec{padding:44px 0}
.sec-h{text-align:center;max-width:640px;margin:0 auto 34px}
.sec-h p{color:var(--muted);margin:0}
.tag{display:inline-block;font-size:14px;font-weight:600;color:var(--sky-d);background:#E1F1FF;padding:3px 14px;border-radius:999px;margin-bottom:10px}
.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.f{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;transition:transform .2s,box-shadow .2s}
.f:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.f h3{margin:14px 0 6px}.f p{margin:0;color:var(--muted);font-size:16px}
.fi-ic{width:50px;height:50px;border-radius:15px;display:grid;place-items:center;color:#fff;background:var(--grad)}
.f:nth-child(2) .fi-ic{background:linear-gradient(135deg,#5B5BF0,#8B5CF6)}
.f:nth-child(3) .fi-ic{background:linear-gradient(135deg,#0E9F6E,#14B8A6)}
.f:nth-child(4) .fi-ic{background:linear-gradient(135deg,#F59E0B,#F97316)}
.f:nth-child(5) .fi-ic{background:linear-gradient(135deg,#0EA5E9,#06B6D4)}
.f:nth-child(6) .fi-ic{background:linear-gradient(135deg,#EC4899,#F43F5E)}
.steps{list-style:none;counter-reset:s;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.steps li{counter-increment:s;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;display:flex;flex-direction:column;gap:4px;position:relative;overflow:hidden}
.steps li::before{content:counter(s,bengali);font-family:'Anek Bangla','Hind Siliguri',sans-serif;font-weight:700;font-size:46px;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent;margin-bottom:6px}
.steps b{font-size:19px}.steps span{color:var(--muted);font-size:16px}
.banner{background:var(--grad);border-radius:30px;padding:44px 28px;text-align:center;color:#fff;box-shadow:var(--shadow);position:relative;overflow:hidden}
.banner::after{content:"";position:absolute;width:320px;height:320px;border-radius:50%;background:rgba(255,255,255,.1);right:-80px;top:-120px}
.banner h2{color:#fff;position:relative}.banner p{opacity:.9;margin:0 auto 22px;max-width:30em;position:relative}
.banner .btn{background:#fff;color:var(--brand-d);position:relative}
.foot{padding:28px 0;border-top:1px solid var(--line);color:var(--muted);font-size:15px;margin-top:36px;background:rgba(255,255,255,.6)}
.foot-in{display:flex;align-items:center;justify-content:center;gap:14px;text-align:left}
.foot-logo{width:48px;height:auto}
.foot b{display:block;color:var(--ink)}

/* ---------- member dashboard ---------- */
.dh{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin:26px 0 20px;padding:24px 26px;border-radius:26px;background:var(--grad);color:#fff;box-shadow:var(--shadow);position:relative;overflow:hidden}
.dh::after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.1);right:-60px;top:-110px}
.dh-l{display:flex;align-items:center;gap:16px;position:relative;z-index:1}
.avatar{width:62px;height:62px;border-radius:20px;background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.35);display:grid;place-items:center;font:700 28px 'Anek Bangla',sans-serif;flex:none}
.dh h1{font-size:clamp(21px,3.4vw,30px);margin:0}.dh p{margin:2px 0 0;opacity:.88;font-size:15px}
.dh-st{display:flex;gap:10px;position:relative;z-index:1}
.dh-st .st{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);border-radius:16px;padding:8px 18px;text-align:center;min-width:92px}
.dh-st b{display:block;font:700 24px/1.2 'Anek Bangla',sans-serif}.dh-st span{font-size:13px;opacity:.9}
.dash{display:grid;grid-template-columns:1.1fr 1fr;gap:22px;align-items:start;padding-bottom:24px}
.card-t{display:flex;align-items:center;gap:10px;margin-bottom:14px}.card-t h2{margin:0;font-size:22px}
.card-t .ic{width:38px;height:38px;border-radius:12px;background:var(--leaf);color:var(--brand);display:grid;place-items:center;flex:none}
.chat{display:flex;flex-direction:column;height:min(78vh,740px);background:#fff;border:1px solid var(--line);border-radius:26px;overflow:hidden;box-shadow:var(--shadow-s)}
.chat-h{display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fff,#F8FAFF)}
.chat-h .bot-av{width:40px;height:40px;border-radius:14px;background:var(--grad);display:grid;place-items:center;color:#fff}
.chat-h b{display:block;line-height:1.2}.chat-h small{margin:0}
.msgs{flex:1;overflow:auto;padding:18px;display:flex;flex-direction:column;gap:12px;background:linear-gradient(180deg,#FAFBFF,#F4F7FF)}
.b{max-width:88%;padding:10px 15px;border-radius:18px;overflow-wrap:anywhere;animation:pop .22s ease-out}
@keyframes pop{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.b.me{align-self:flex-end;background:var(--grad);color:#fff;border-bottom-right-radius:5px}
.b.bot{align-self:flex-start;background:#fff;border:1px solid var(--line);border-bottom-left-radius:5px}
.fcard{display:flex;gap:12px;align-items:center;background:#F8FAFF;border:1px solid var(--line);border-radius:14px;padding:8px;margin-top:8px;color:var(--ink)}
.fcard img,.fcard .ficon{width:64px;height:64px;object-fit:cover;border-radius:10px;flex:none;background:var(--leaf)}
.fcard .fi{flex:1;min-width:0}.fcard .fi b{display:block;overflow-wrap:anywhere;line-height:1.35}
.acts{display:flex;gap:6px;flex-wrap:wrap;margin-top:7px}
.chips{display:flex;gap:8px;flex-wrap:wrap;padding:0 16px 10px;background:#F4F7FF}
.chips button{border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:3px 15px;font:inherit;font-size:15px;color:var(--brand);cursor:pointer}
.chips button:hover{background:var(--leaf)}
.composer{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line);align-items:center;background:#fff}
.composer input{margin:0;flex:1;min-width:0;border-radius:999px;padding:0 20px;background:var(--bg)}
.mic{width:50px;height:50px;border-radius:50%;background:var(--grad);color:#fff;border:0;cursor:pointer;display:grid;place-items:center;flex:none;box-shadow:0 8px 16px -8px rgba(10,75,208,.7)}
.mic.live{background:linear-gradient(135deg,#EF4444,#F97316);animation:pulse 1.2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(239,68,68,.5)}100%{box-shadow:0 0 0 18px rgba(239,68,68,0)}}
.box{background:#fff;border:1px solid var(--line);border-radius:26px;padding:24px;margin-bottom:20px;box-shadow:var(--shadow-s)}
.count{font-family:'Hind Siliguri',sans-serif;font-size:16px;color:var(--muted);font-weight:400}
.drop{position:relative;display:flex;flex-direction:column;align-items:center;gap:4px;text-align:center;padding:26px 16px;border:2px dashed #B9CBF2;border-radius:20px;background:#F6F9FF;cursor:pointer;margin:0 0 14px;transition:background .15s,border-color .15s}
.drop:hover,.drop.over{background:var(--leaf);border-color:var(--sky)}
.drop input{position:absolute;inset:0;width:100%;height:100%;opacity:0;margin:0;cursor:pointer;min-height:0}
.drop .drop-i{width:52px;height:52px;border-radius:16px;background:var(--grad);color:#fff;display:grid;place-items:center;margin-bottom:6px}
.drop b{overflow-wrap:anywhere}.drop small{margin:0}
.dgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px}
.dcard{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}
.dcard:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.dth{display:block;width:100%;aspect-ratio:4/3;background:var(--leaf);position:relative;border:0;padding:0;cursor:pointer}
.dth img{width:100%;height:100%;object-fit:cover;display:block}
.dth .pdfbig{position:absolute;inset:0;display:grid;place-items:center;font:700 26px 'Anek Bangla',sans-serif;color:var(--brand);background:linear-gradient(135deg,#E6EEFF,#D7E4FF)}
.dbody{padding:12px 14px 14px;display:flex;flex-direction:column;gap:2px;flex:1}
.dbody b{line-height:1.35;overflow-wrap:anywhere}.dbody small{margin:0}
.dbody .acts{margin-top:auto;padding-top:8px}
.dbody .btn.sm{padding:0 12px;min-height:34px;font-size:14px}
.empty{text-align:center;padding:26px 10px;color:var(--muted)}
.empty .ic{width:60px;height:60px;border-radius:20px;background:var(--leaf);color:var(--brand);display:grid;place-items:center;margin:0 auto 10px}

/* viewer (দেখুন) */
.vw{position:fixed;inset:0;z-index:60;background:rgba(10,20,50,.72);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:14px;animation:pop .18s}
.vw-card{background:#fff;border-radius:22px;width:min(980px,100%);max-height:100%;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 30px 70px -20px rgba(0,0,0,.5)}
.vw-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.vw-bar b{font-family:'Anek Bangla',sans-serif;font-size:18px;overflow-wrap:anywhere;flex:1;min-width:140px}
.vw-bar .acts{margin:0}
.vw-body{flex:1;overflow:auto;background:#EEF2FB;display:flex;align-items:center;justify-content:center;min-height:200px}
.vw-body img{max-width:100%;max-height:calc(100vh - 150px);object-fit:contain;display:block}
.vw-body iframe{width:100%;height:calc(100vh - 150px);border:0;background:#fff}

@media(max-width:900px){
  .hero{grid-template-columns:1fr;padding:36px 0 24px;gap:34px}
  .feat,.steps{grid-template-columns:1fr}
  .dash{grid-template-columns:1fr}
  .panel{display:none}.panel.on{display:block}
  .bar nav .btn.alt{display:none}
  .float.f1{right:6px}.float.f2{left:4px}
}
@media(min-width:901px) and (max-width:1060px){.feat{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.dh{padding:18px}.dh-st{width:100%}.dh-st .st{flex:1}.dgrid{grid-template-columns:repeat(2,1fr)}.auth{padding:26px 20px}}
@media(max-width:380px){.btn.sm{padding:0 12px}.logo{font-size:18px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.mic.live{outline:4px solid rgba(239,68,68,.45)}}

/* =====================================================================
   v5 — সদস্য ড্যাশবোর্ড (মোবাইল-ফার্স্ট), প্রিমিয়াম, ভয়েস, রেজিস্ট্রেশন
   ===================================================================== */
[hidden]{display:none!important}
body.noscroll{overflow:hidden}
button{-webkit-tap-highlight-color:transparent}
.rcol{display:flex;flex-direction:column;gap:0;min-width:0}
.dash>.panel{min-width:0}

/* প্ল্যান / স্টোরেজ */
.plan{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;background:#fff;border:1px solid var(--line);border-radius:20px;padding:14px 18px;margin-bottom:18px;box-shadow:var(--shadow-s)}
.plan.prem{background:linear-gradient(135deg,#FFF9E8,#FFEFC4);border-color:#F2D283}
.plan-l{flex:1;min-width:200px}.plan-l b{display:block;line-height:1.4}.plan-l small{margin:0}
.bar-m{height:9px;border-radius:99px;background:var(--leaf);overflow:hidden;margin:7px 0 5px}
.bar-m i{display:block;height:100%;background:var(--grad);border-radius:99px;transition:width .5s}
.bar-m.warn i{background:linear-gradient(90deg,#F59E0B,#F97316)}.bar-m.bad i{background:linear-gradient(90deg,#EF4444,#DC2626)}
.plan-rj{flex-basis:100%;background:#FEF0EE;color:#932515;border:1px solid #F8CFC8;border-radius:12px;padding:8px 12px;font-size:14.5px}
.pill-s{background:#FEF0D2;color:#8A5300;font-weight:600;border-radius:999px;padding:6px 14px;font-size:14px;white-space:nowrap}

/* চ্যাট: পাঠান বোতাম, চিপ, বুদবুদ */
.send svg{display:none}
.chips{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.chips::-webkit-scrollbar{display:none}
.chips button{white-space:nowrap;flex:none;min-height:38px;max-width:60vw;overflow:hidden;text-overflow:ellipsis}
.b.typing{color:var(--muted)}
.b.typing::after{content:"";display:inline-block;width:1.2em;text-align:left;animation:dots 1s steps(4,end) infinite}
@keyframes dots{0%{content:""}25%{content:"."}50%{content:".."}75%{content:"..."}}
.b.exact{border-color:#9ADBC0;box-shadow:0 0 0 3px rgba(14,159,110,.08)}
.xbadge{display:inline-block;font-size:12.5px;font-weight:600;background:#E8F8F1;color:#0B6B4A;border-radius:999px;padding:0 10px;margin-right:8px;line-height:1.7}
.vmi{vertical-align:-3px;margin-right:6px;opacity:.9}
.fcard img,.fcard .ficon{cursor:pointer}

/* মেসেঞ্জার-স্টাইল ভয়েস রেকর্ডিং */
.composer{position:relative}
.vrec{position:absolute;inset:0;z-index:3;background:#fff;display:flex;align-items:center;gap:10px;padding:8px 12px;animation:vin .2s ease-out}
@keyframes vin{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.vbtn{width:50px;height:50px;border-radius:50%;border:0;display:grid;place-items:center;cursor:pointer;flex:none}
.vx{background:#FEE4E4;color:var(--bad)}
.vs{background:var(--grad);color:#fff;box-shadow:0 8px 16px -8px rgba(10,75,208,.7)}
.vrec.talk .vs{animation:pulseb 1.1s infinite}
@keyframes pulseb{0%{box-shadow:0 0 0 0 rgba(14,140,240,.45)}100%{box-shadow:0 0 0 16px rgba(14,140,240,0)}}
.vmid{flex:1;min-width:0;display:flex;flex-direction:column;gap:5px}
.vtxt{font-size:15px;line-height:1.3;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.vtxt.has{color:var(--ink);font-weight:500}
.vwave{display:flex;align-items:center;gap:9px;height:36px;background:var(--leaf);border-radius:999px;padding:0 14px}
.rdot{width:10px;height:10px;border-radius:50%;background:#EF4444;flex:none;animation:blink 1s infinite}
@keyframes blink{50%{opacity:.25}}
.vbars{flex:1;display:flex;align-items:center;justify-content:space-between;gap:2px;height:100%;min-width:0;overflow:hidden}
.vbars i{flex:1;max-width:4px;height:78%;border-radius:4px;background:var(--brand);opacity:.9;transform:scaleY(.08);transition:transform .075s linear}
.vrec.talk .vbars i{background:var(--sky)}
.vtime{font-variant-numeric:tabular-nums;font-size:14px;font-weight:600;color:var(--ink);flex:none}

/* আপলোড */
.drop{cursor:default}
.drop-idle{display:flex;flex-direction:column;align-items:center;gap:4px;width:100%}
.pickbtns{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:12px;width:100%}
.pickbtns .btn{flex:1 1 150px}
.dd{display:none}
@media(hover:hover) and (pointer:fine){.dd{display:inline}#btnCam{display:none}}
.pickbox{display:flex;align-items:center;gap:12px;text-align:left;width:100%}
.pickbox img{width:64px;height:64px;object-fit:cover;border-radius:12px;flex:none;background:var(--leaf)}
.pickbox .ficon{width:64px;height:64px}
.pk-t{flex:1;min-width:0}.pk-t b{overflow-wrap:anywhere;display:block;line-height:1.35}.pk-t small{margin:0}
.uprog{height:9px;border-radius:99px;background:var(--leaf);overflow:hidden;margin:0 0 12px}
.uprog i{display:block;height:100%;width:3%;background:var(--grad);border-radius:99px;transition:width .2s}
.upErr-btn{margin-top:8px}
#upErr .btn{margin-top:8px}

/* ডকুমেন্ট কার্ড */
.docq{margin-bottom:12px}.docq input{margin:0;border-radius:999px;padding:0 18px;background:var(--bg)}
.dtop{display:flex;gap:6px;align-items:flex-start}
.dtt{flex:1;min-width:0}.dtt b{display:block;line-height:1.35;overflow-wrap:anywhere}
.dmore{width:40px;height:40px;flex:none;border-radius:12px;border:1px solid var(--line);background:#fff;font-size:22px;line-height:1;color:var(--brand);cursor:pointer;padding:0 0 4px}
.dmore:hover{background:var(--leaf)}
.dbody .acts{display:none}
.dcard .dth{cursor:pointer}

/* নিচ থেকে ওঠা শিট */
.sheet-bg{position:fixed;inset:0;z-index:70;background:rgba(10,20,50,.55);backdrop-filter:blur(2px);opacity:0;transition:opacity .2s}
.sheet-bg.open{opacity:1}
.sheet{position:fixed;left:50%;bottom:0;z-index:71;width:min(560px,100%);max-height:92vh;max-height:92dvh;overflow:auto;overscroll-behavior:contain;background:#fff;border-radius:26px 26px 0 0;padding:0 18px calc(22px + env(safe-area-inset-bottom));transform:translate(-50%,100%);transition:transform .22s ease-out;box-shadow:0 -20px 50px -20px rgba(0,0,0,.35)}
.sheet.open{transform:translate(-50%,0)}
.grab{display:flex;justify-content:center;padding:10px 0 8px;position:sticky;top:0;background:#fff;z-index:1;touch-action:none}
.grab i{width:46px;height:5px;border-radius:9px;background:#D2DBEF}
.sh-h{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:4px}
.sh-h h3{margin:0;font-size:21px;overflow-wrap:anywhere}
.sh-x{width:40px;height:40px;flex:none;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--muted);font-size:16px;cursor:pointer}
.sh-sub{margin:2px 0 14px;font-size:15px;line-height:1.5}
.menu{display:flex;flex-direction:column;gap:8px;margin-top:8px}
.menu-i{display:flex;align-items:center;width:100%;min-height:56px;padding:0 18px;border-radius:16px;border:1px solid var(--line);background:#fff;font:inherit;font-weight:600;color:var(--ink);text-decoration:none;cursor:pointer;text-align:left}
.menu-i:hover{background:var(--leaf)}.menu-i.danger{color:var(--bad);border-color:#F6CACA}
.two-b{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}
.btn.danger-s{background:linear-gradient(135deg,#EF4444,#DC2626);box-shadow:0 8px 18px -8px rgba(220,38,38,.6)}
.mchips{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:4px 0 16px}
.mchip{border:1.5px solid var(--line);background:#fff;border-radius:16px;padding:9px 2px;font:inherit;cursor:pointer;text-align:center;color:var(--ink)}
.mchip b{display:block;font-size:15px}.mchip small{margin:0;font-size:13px}
.mchip.on{border-color:var(--brand);background:var(--leaf);box-shadow:0 0 0 3px rgba(10,75,208,.12)}
.pay-steps{padding-left:22px;margin:0 0 14px}.pay-steps li{margin-bottom:9px;line-height:1.55}
.pay-steps li b{color:var(--brand-d)}
.paynum{display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--leaf);border:1.5px dashed #9DBBFF;border-radius:14px;padding:8px 8px 8px 16px;margin-top:8px}
.paynum b{font:700 23px 'Anek Bangla',sans-serif;letter-spacing:.04em;color:var(--brand-d)}
.pay-f label{display:block;margin-bottom:12px;font-weight:500}
.toast{position:fixed;left:50%;bottom:30px;z-index:90;max-width:calc(100% - 32px);background:var(--ink);color:#fff;padding:11px 20px;border-radius:999px;font-weight:500;box-shadow:var(--shadow);opacity:0;transform:translate(-50%,16px);pointer-events:none;transition:opacity .2s,transform .2s;text-align:center}
.toast.show{opacity:1;transform:translate(-50%,0)}.toast.bad{background:var(--bad)}

/* নিচের নেভিগেশন (শুধু মোবাইল) */
.bnav{display:none}

/* ---------- রেজিস্ট্রেশন ---------- */
.reg{padding:8px 0 20px}
.reg-grid{display:grid;grid-template-columns:.86fr 1.14fr;max-width:1000px;margin:26px auto;background:#fff;border:1px solid var(--line);border-radius:30px;box-shadow:var(--shadow);overflow:hidden}
.reg-side{background:var(--grad);color:#fff;padding:42px 34px;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:center;gap:14px}
.reg-side::after{content:"";position:absolute;width:300px;height:300px;border-radius:50%;background:rgba(255,255,255,.1);right:-110px;bottom:-120px}
.reg-side .logo-img{width:54px;height:54px;border-radius:16px;background:#fff;padding:6px}
.reg-side h2{color:#fff;font-size:29px;margin:6px 0 0}.reg-side p{opacity:.92;margin:0}
.reg-side ul{list-style:none;padding:0;margin:12px 0 0;display:grid;gap:12px;position:relative;z-index:1}
.reg-side li{display:flex;align-items:center;gap:12px;font-weight:500}
.reg-side li i{width:40px;height:40px;border-radius:13px;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.28);display:grid;place-items:center;flex:none}
.reg-card{padding:32px 34px 26px;min-width:0}
.reg-card h1{font-size:28px;margin-bottom:4px}
.reg-card .muted{margin:0 0 18px}
.stepper{list-style:none;display:flex;align-items:center;gap:10px;padding:0;margin:0 0 20px}
.stepper li{display:flex;align-items:center;gap:8px;font-weight:600;color:var(--muted);font-size:15px}
.stepper li:first-child{flex:1}
.stepper li:first-child::after{content:"";flex:1;height:2px;background:var(--line);border-radius:2px;margin:0 4px}
.stepper li i{width:30px;height:30px;border-radius:50%;background:var(--leaf);display:grid;place-items:center;font-style:normal;font-size:14px;flex:none}
.stepper li.on{color:var(--brand-d)}.stepper li.on i{background:var(--grad);color:#fff}
.stepper li.done{color:var(--ok)}.stepper li.done i{background:var(--ok);color:#fff}
.fld{margin-bottom:15px}
.fld>label{display:block;margin:0 0 6px;font-weight:600;font-size:15px}
.inl-s{display:inline;font-weight:400}
.inp{position:relative}
.inp input{margin:0;min-height:54px;padding-left:48px;padding-right:48px;border-radius:16px;background:#F8FAFF}
.inp .ico{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:#8A97B8;display:grid;pointer-events:none;transition:color .15s}
.inp:focus-within .ico{color:var(--sky)}
.inp .stt{position:absolute;right:15px;top:50%;width:22px;height:22px;margin-top:-11px;border-radius:50%;pointer-events:none}
.fld.ok .stt{background:var(--ok) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5 9-10'/%3E%3C/svg%3E") center/14px no-repeat;animation:pop .22s}
.fld.bad .stt{background:var(--bad) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.4' stroke-linecap='round'%3E%3Cpath d='M7 7l10 10M17 7L7 17'/%3E%3C/svg%3E") center/12px no-repeat;animation:pop .22s}
.fld.wait .stt{border:3px solid #C9D8F8;border-top-color:var(--sky);animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.fld.ok .inp input{border-color:#7FD3B3;background:#F3FBF7}
.fld.bad .inp input{border-color:#F2A6A6;background:#FFF7F7}
.hint{margin:6px 2px 0;font-size:14px;line-height:1.45;color:var(--muted);min-height:20px;transition:color .15s}
.fld.ok .hint{color:#0B6B4A}.fld.bad .hint{color:#B42318}.fld.wait .hint{color:var(--sky-d)}
.fld.bad .hint a{color:#B42318;font-weight:600}
.eye{position:absolute;right:5px;top:50%;transform:translateY(-50%);width:44px;height:44px;border:0;background:none;color:#8A97B8;cursor:pointer;border-radius:12px;display:grid;place-items:center}
.eye.on{color:var(--brand)}
.meter{display:flex;gap:5px;margin-top:9px}
.meter i{flex:1;height:5px;border-radius:9px;background:#E3EAF9;transition:background .2s}
.meter.s1 i:nth-child(-n+1){background:#EF4444}
.meter.s2 i:nth-child(-n+2){background:#F59E0B}
.meter.s3 i:nth-child(-n+3){background:#3B82F6}
.meter.s4 i{background:var(--ok)}
.sugg{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:8px;font-size:14px;color:var(--muted)}
.chip{border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:3px 15px;min-height:34px;font:inherit;color:var(--brand);cursor:pointer}
.chip:hover{background:var(--leaf)}
.note{font-size:14px;color:var(--muted);background:#F6F9FF;border:1px solid var(--line);border-radius:12px;padding:10px 14px;margin:4px 0 16px}
.shake{animation:shake .4s}
@keyframes shake{20%,60%{transform:translateX(-6px)}40%,80%{transform:translateX(6px)}}
input.otp::placeholder{letter-spacing:.35em;color:#B8C4E2}

/* ---------- মোবাইল ---------- */
@media(max-width:900px){
  .bar{min-height:58px}
  .bar nav .btn.alt{display:none}
  body[data-tab]{padding-bottom:calc(84px + env(safe-area-inset-bottom))}
  body[data-tab] .foot{display:none}
  .dh{margin:12px 0 12px;padding:14px 16px;border-radius:22px;gap:10px}
  .avatar{width:46px;height:46px;border-radius:15px;font-size:21px}
  .dh-l{gap:12px;min-width:0}.dh-l>div{min-width:0}
  .dh h1{font-size:19px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .dh p{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .dh-st{width:100%;gap:8px}
  .dh-st .st{flex:1;min-width:0;padding:6px 10px}
  .dh-st b{font-size:17px}.dh-st span{font-size:12px}
  body[data-tab=chat] .dh-st,body[data-tab=chat] #planBox{display:none}
  .plan{padding:12px 14px;border-radius:18px;margin-bottom:12px}
  .dash{display:block;padding-bottom:0}
  .panel{display:none}.panel.on{display:block}
  .box{border-radius:22px;padding:18px 16px;margin-bottom:14px}
  .chat{height:calc(100vh - 235px);height:calc(100dvh - 235px - env(safe-area-inset-bottom));min-height:340px;border-radius:22px}
  .chat-h{padding:10px 14px}
  .msgs{padding:14px 12px}
  .b{max-width:92%}
  .chips{padding:0 12px 8px}
  .composer{padding:10px;gap:8px}
  .composer input{min-height:48px;font-size:16px}
  .send{width:50px;min-height:50px;padding:0;border-radius:50%;flex:none}
  .send span{display:none}.send svg{display:block}
  .mic,.vbtn{width:50px;height:50px}
  .fcard{padding:8px}.fcard .acts .btn.sm{min-height:42px;padding:0 16px}
  .bnav{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:40;justify-content:space-around;align-items:flex-end;gap:4px;background:rgba(255,255,255,.95);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);border-top:1px solid var(--line);padding:6px 10px calc(6px + env(safe-area-inset-bottom));box-shadow:0 -10px 30px -18px rgba(10,58,160,.35)}
  .bnav button{position:relative;flex:1;max-width:150px;border:0;background:none;color:var(--muted);font:inherit;font-size:12.5px;font-weight:600;display:flex;flex-direction:column;align-items:center;gap:2px;min-height:58px;padding:7px 4px 4px;border-radius:16px;cursor:pointer}
  .bnav button.on{color:var(--brand)}
  .bnav button.on:not(.bn-up)::before{content:"";position:absolute;top:0;width:26px;height:3px;border-radius:0 0 4px 4px;background:var(--brand)}
  .bnav .bn-up i{width:54px;height:54px;border-radius:19px;background:var(--grad);color:#fff;display:grid;place-items:center;margin-top:-24px;box-shadow:0 12px 22px -8px rgba(10,75,208,.75);border:3px solid #fff;transition:transform .15s}
  .bnav .bn-up.on i{transform:scale(1.06)}
  .bnav .bn-up span{margin-top:0}
  .bnav em{position:absolute;top:2px;left:calc(50% + 6px);font-style:normal;font-size:11.5px;min-width:19px;height:19px;padding:0 5px;border-radius:99px;background:var(--bad);color:#fff;display:grid;place-items:center;line-height:1}
  .dgrid{grid-template-columns:repeat(2,1fr);gap:12px}
  .dbody{padding:10px 10px 12px}
  .dbody b{font-size:15px}.dtt small{font-size:12.5px}
  .toast{bottom:calc(96px + env(safe-area-inset-bottom))}
  .vw{padding:0;align-items:stretch}
  .vw-card{border-radius:0;width:100%;max-height:none;height:100%}
  .vw-body img{max-height:calc(100dvh - 120px)}.vw-body iframe{height:calc(100dvh - 120px)}
  .vw-bar{padding:10px 12px}.vw-bar b{font-size:16px}
  .vw-bar .btn.sm{min-height:42px}
  .reg-grid{grid-template-columns:1fr;margin:14px auto;border-radius:26px}
  .reg-side{display:none}
  .reg-card{padding:22px 18px 20px}
  .reg-card h1{font-size:25px}
}
@media(max-width:480px){
  .mchips{grid-template-columns:repeat(2,1fr)}
  .pickbtns .btn{flex:1 1 100%}
}
@media(min-width:901px){
  .sheet{bottom:auto;top:50%;border-radius:26px;padding-top:10px;transform:translate(-50%,-44%);opacity:0;transition:transform .2s,opacity .2s;max-height:88vh}
  .sheet.open{transform:translate(-50%,-50%);opacity:1}
  .grab{display:none}
  .rcol{gap:0}
}

/* =====================================================================
   v6 — গ্রুপ ফাইল, ভিডিও, স্লাইডার ও ডাউনলোড স্ক্রিন
   ===================================================================== */
/* ফাইল বেছে নেওয়ার দুই অপশন */
.menu-i.two{flex-direction:column;align-items:flex-start;justify-content:center;gap:0;padding:12px 18px;min-height:64px}
.menu-i.two small{margin:0;font-weight:400;line-height:1.4}

/* বাছাই করা ফাইল: একক ও গ্রুপ */
.pk-b{display:flex;flex-direction:column;gap:6px;flex:none}
.pk-grp{display:flex;flex-direction:column;gap:10px;width:100%;text-align:left}
.pk-head{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}
.pk-head b{overflow-wrap:anywhere}
.pk-head .linkbtn{padding:4px 2px}
.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(76px,1fr));gap:8px;max-height:320px;overflow:auto;padding:2px}
.pt{position:relative;aspect-ratio:1;border-radius:12px;overflow:hidden;background:var(--leaf);border:1px solid var(--line)}
.pt img{width:100%;height:100%;object-fit:cover;display:block;border-radius:0}
.pt .ficon{width:100%;height:100%;border-radius:0}
.pt .px{position:absolute;top:3px;right:3px;width:26px;height:26px;border-radius:50%;border:0;background:rgba(10,20,50,.72);color:#fff;font-size:12px;line-height:1;cursor:pointer;display:grid;place-items:center;padding:0}
.pt .pn{position:absolute;left:4px;bottom:3px;font-size:11px;font-weight:600;background:rgba(10,20,50,.62);color:#fff;border-radius:99px;padding:0 7px;line-height:1.5}
.pk-add{display:flex;gap:8px;flex-wrap:wrap}
.pk-add .btn{flex:1 1 140px}

/* ডকুমেন্ট কার্ডে গ্রুপ */
.dcard.grp{box-shadow:4px 4px 0 -1px #fff,4px 4px 0 0 var(--line),8px 8px 0 -1px #fff,8px 8px 0 0 var(--line);margin-right:8px;margin-bottom:8px}
.gbadge{position:absolute;top:8px;right:8px;background:rgba(10,20,50,.78);color:#fff;border-radius:99px;padding:1px 11px;font-size:13px;font-weight:600;line-height:1.6}
.dth .pdfbig{font-size:22px;text-align:center;padding:6px}

/* স্লাইডার */
.vw-bar .vhead{flex:1;min-width:140px;display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.vw-bar .vhead b{flex:none;max-width:100%;min-width:0}
.vcount{font-size:14px;font-weight:600;color:var(--brand-d);background:var(--leaf);border-radius:99px;padding:0 12px;line-height:1.8}
.vw-body.sl{position:relative;background:#0F1B3D;touch-action:pan-y}
.vslot{display:flex;align-items:center;justify-content:center;width:100%;min-height:240px}
.vw-body.sl img{max-width:100%}
.vw-body video{max-width:100%;max-height:calc(100vh - 150px);background:#000;display:block}
.vpdf{display:flex;flex-direction:column;align-items:center;gap:10px;padding:40px 20px;color:#fff;text-align:center}
.vpdf .ficon{width:84px;height:84px;font-size:20px}
.vpdf p{margin:0;overflow-wrap:anywhere}
.vnav{position:absolute;top:50%;transform:translateY(-50%);z-index:2;width:48px;height:48px;border-radius:50%;border:0;background:rgba(255,255,255,.9);color:var(--ink);font-size:30px;line-height:1;padding:0 0 4px;cursor:pointer;box-shadow:0 6px 18px -6px rgba(0,0,0,.5);display:grid;place-items:center}
.vnav:hover{background:#fff}
.vnav.prev{left:10px}.vnav.next{right:10px}
@media(max-width:900px){
  .vw-body video{max-height:calc(100dvh - 120px)}
  .vnav{width:44px;height:44px;opacity:.9}
  .vnav.prev{left:6px}.vnav.next{right:6px}
}

/* ডাউনলোড স্ক্রিন (গ্রুপ) */
.dl-all{display:flex;align-items:center;gap:12px;font-weight:600;margin:6px 0 10px;padding:10px 12px;background:var(--leaf);border-radius:14px;cursor:pointer}
.dl-list{display:flex;flex-direction:column;gap:8px}
.dl-row{display:flex;align-items:center;gap:10px;margin:0;padding:8px 10px;border:1px solid var(--line);border-radius:14px;cursor:pointer;font-weight:400}
.dl-row:hover{background:#F8FAFF}
.dl-all input,.dl-row input{width:22px;height:22px;min-height:0;margin:0;padding:0;flex:none;accent-color:var(--brand);cursor:pointer}
.dl-th{width:52px;height:52px;border-radius:10px;object-fit:cover;flex:none;background:var(--leaf)}
.dl-t{flex:1;min-width:0}
.dl-t b{display:block;line-height:1.35;overflow-wrap:anywhere;font-weight:600;font-size:15px}
.dl-t small{margin:0;font-size:13px}
.dl-one{flex:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--brand);font-size:20px;font-weight:700;text-decoration:none;display:grid;place-items:center}
.dl-one:hover{background:var(--leaf)}
.dl-foot{position:sticky;bottom:0;background:#fff;padding:12px 0 4px;margin-top:10px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:8px;z-index:2}
.dl-hint{text-align:center;margin:0;font-size:13px}

/* নামের ঘরের পাশে ভয়েস মাইক */
.tin{position:relative;display:block}
.tin input{padding-right:60px}
.tmic{position:absolute;right:6px;bottom:5px;width:40px;height:40px;border-radius:50%;border:0;background:var(--grad);color:#fff;display:grid;place-items:center;cursor:pointer;padding:0;box-shadow:0 6px 14px -6px rgba(10,75,208,.7)}
.tmic.live{background:linear-gradient(135deg,#EF4444,#F97316);animation:pulse 1.2s infinite}
.tmic:focus-visible{outline:3px solid #9DBBFF;outline-offset:2px}