:root{
  --bg:#f4f6fb;--card:#fff;--ink:#0f172a;--muted:#64748b;--line:#e2e8f0;
  --brand:#4f46e5;--brand-d:#4338ca;--brand-l:#eef2ff;
  --ok:#16a34a;--ok-l:#dcfce7;--warn:#f59e0b;--warn-l:#fef3c7;--bad:#dc2626;--bad-l:#fee2e2;
  --radius:14px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:'Hind Siliguri',system-ui,-apple-system,'Segoe UI',Roboto,'Noto Sans Bengali',sans-serif;background:var(--bg);color:var(--ink);line-height:1.5;font-size:15px}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.25;margin:.2em 0 .5em}
h1{font-size:1.5rem}h2{font-size:1.2rem}h3{font-size:1.05rem}
.muted{color:var(--muted)}.c{text-align:center}.r{text-align:right}
.t-ok{color:var(--ok)}.t-ok2{color:#15803d}.t-bad{color:var(--bad)}
code{background:var(--brand-l);padding:1px 6px;border-radius:6px}

/* layout */
.container{max-width:1280px;margin:0 auto;padding:16px}
.topbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
.topbar .in{max-width:1280px;margin:0 auto;display:flex;align-items:center;gap:12px;padding:8px 16px}
.brand{font-weight:700;color:var(--ink);white-space:nowrap}
.brand:hover{text-decoration:none}
.nav{display:flex;gap:2px;overflow-x:auto;flex:1;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav a{padding:8px 12px;border-radius:10px;color:var(--muted);font-weight:500;white-space:nowrap}
.nav a:hover{background:var(--brand-l);text-decoration:none}
.nav a.active{background:var(--brand-l);color:var(--brand);font-weight:600}
.who{display:flex;align-items:center;gap:8px;white-space:nowrap;color:var(--muted)}
@media(max-width:700px){.hide-sm{display:none}.brand span{display:none}}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:0 1px 2px rgba(15,23,42,.04)}
.card h3{margin-top:0}
.grid{display:grid;gap:14px;margin-bottom:14px}
.kpis{grid-template-columns:repeat(auto-fit,minmax(min(100%,150px),1fr))}
.g2{grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr))}
.kpi{display:flex;flex-direction:column;gap:2px}
.kpi .lbl{font-size:.8rem;color:var(--muted);font-weight:500}
.kpi .val{font-size:1.65rem;font-weight:700;line-height:1.1}
.kpi .sub{font-size:.78rem;color:var(--muted)}
.kpi.k-ok .val{color:var(--ok)}.kpi.k-bad .val{color:var(--bad)}.kpi.k-brand .val{color:var(--brand)}
.page-title{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.page-title h1{margin:0}
.chart-box{position:relative;height:290px}
.chart-box.tall{height:340px}
.chart-box.short{height:230px}
.section-title{margin:22px 0 10px;font-size:1.15rem}

/* forms */
label{display:block;font-weight:500;font-size:.88rem;color:#334155;margin-bottom:10px}
input[type=text],input[type=password],input[type=number],input[type=date],input[type=search],select,textarea{
  display:block;width:100%;margin-top:4px;padding:10px 12px;border:1px solid #cbd5e1;border-radius:10px;font:inherit;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid #c7d2fe;border-color:var(--brand)}
label.check{display:flex;gap:10px;align-items:flex-start;font-weight:400}
label.check input{margin-top:5px}
.filters{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end;margin-bottom:14px}
.filters label{margin:0;min-width:140px}
.inline-form{display:flex;gap:8px;flex-wrap:wrap;align-items:flex-end}
.btn{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:10px;padding:10px 18px;font:inherit;font-weight:600;cursor:pointer;text-align:center;line-height:1.3}
.btn:hover{background:var(--brand-d);text-decoration:none}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-block{display:block;width:100%}
.btn-sm{padding:5px 12px;font-size:.85rem}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{background:var(--brand-l)}
.btn-bad{background:var(--bad)}.btn-bad:hover{background:#b91c1c}
.btn-ok{background:var(--ok)}.btn-ok:hover{background:#15803d}
.alert{padding:11px 14px;border-radius:10px;margin:0 0 12px;font-weight:500}
.alert-ok{background:var(--ok-l);color:#166534}
.alert-bad{background:var(--bad-l);color:#991b1b}
.alert-info{background:var(--brand-l);color:#3730a3}

/* tables */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.tbl{width:100%;border-collapse:collapse;font-size:.9rem}
.tbl th{background:#f8fafc;text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);white-space:nowrap;font-weight:600;color:#475569}
.tbl td{padding:9px 10px;border-bottom:1px solid #f1f5f9;vertical-align:top}
.tbl th.r,.tbl td.r{text-align:right}
.tbl tr:hover td{background:#fafbff}
.badge{display:inline-block;padding:2px 9px;border-radius:99px;font-size:.78rem;font-weight:600;background:#e2e8f0;color:#334155;white-space:nowrap}
.b-dnr{background:#e2e8f0;color:#475569}.b-not_interested{background:#fef3c7;color:#92400e}.b-phone_off{background:#e2e8f0;color:#334155}
.b-positive{background:#dcfce7;color:#166534}.b-most_positive{background:#15803d;color:#fff}
.b-ok{background:var(--ok-l);color:#166534}.b-off{background:var(--bad-l);color:#991b1b}.b-warn{background:var(--warn-l);color:#92400e}
.grade{display:inline-block;min-width:28px;text-align:center;padding:2px 8px;border-radius:8px;font-weight:700;color:#fff;background:#94a3b8}
.g-A{background:#16a34a}.g-B{background:#65a30d}.g-C{background:#f59e0b}.g-D{background:#ea580c}.g-F{background:#dc2626}
.pager{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px}
.pager a{padding:6px 12px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink)}
.pager a.cur{background:var(--brand);color:#fff;border-color:var(--brand)}

/* login */
.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:16px;background:linear-gradient(135deg,#eef2ff,#f8fafc)}
.login-box{width:100%;max-width:380px;text-align:center}
.login-box form{text-align:left}
.login-logo{font-size:2.6rem}
.installer .card{padding:22px}

/* ============ AGENT SCREEN ============ */
body.agent{background:#eef1f8}
.a-wrap{max-width:520px;margin:0 auto;padding:10px 12px 40px}
.a-head{display:flex;align-items:center;justify-content:space-between;padding:6px 2px 10px}
.a-head .nm{font-weight:700;font-size:1.05rem}
.a-head a{font-size:.85rem;color:var(--muted);margin-left:10px}
.a-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:12px}
.a-stat{background:#fff;border-radius:12px;padding:8px;text-align:center;border:1px solid var(--line)}
.a-stat b{display:block;font-size:1.3rem;line-height:1.2}
.a-stat small{color:var(--muted);font-size:.74rem}
.a-stat.warn b{color:var(--bad)}
.num-card{background:linear-gradient(145deg,#4f46e5,#7c3aed);color:#fff;border-radius:20px;padding:20px 16px 16px;text-align:center;box-shadow:0 8px 24px rgba(79,70,229,.3)}
.num-card .tag{font-size:.85rem;opacity:.85}
.num-card .num{font-size:2.1rem;font-weight:700;letter-spacing:1px;margin:6px 0 2px;word-break:break-all}
.num-card .lbl{opacity:.9;margin-bottom:4px}
.timer{display:inline-block;margin:10px 0 14px;padding:6px 14px;border-radius:99px;background:rgba(255,255,255,.18);font-weight:600;font-size:.95rem}
.timer.ok{background:rgba(255,255,255,.18)}
.timer.soon{background:#fbbf24;color:#422006}
.timer.over{background:#dc2626;color:#fff;animation:pulse 1s infinite}
.timer.talk{background:#10b981;color:#fff}
@keyframes pulse{50%{opacity:.7}}
.act{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.act a{display:flex;align-items:center;justify-content:center;gap:8px;padding:15px 8px;border-radius:14px;font-weight:700;font-size:1.1rem;color:#fff;text-decoration:none}
.act .call{background:#16a34a}.act .wa{background:#25d366}
.act a.tapped{outline:3px solid #fff}
.a-form{margin-top:14px;background:#fff;border-radius:18px;padding:14px;border:1px solid var(--line)}
.a-form h3{margin:0 0 10px;font-size:1rem}
.opts{display:grid;gap:8px}
.opt{position:relative;display:block;margin:0}
.opt input{position:absolute;opacity:0;pointer-events:none}
.opt span{display:block;padding:13px 14px;border:2px solid var(--line);border-radius:12px;font-weight:600;background:#fff;color:#334155;cursor:pointer}
.opt input:checked+span{color:#fff;border-color:transparent}
.opt.o-dnr input:checked+span{background:#64748b}
.opt.o-not_interested input:checked+span{background:#f59e0b}
.opt.o-phone_off input:checked+span{background:#475569}
.opt.o-positive input:checked+span{background:#22c55e}
.opt.o-most_positive input:checked+span{background:#15803d}
.opt input:focus-visible+span{outline:3px solid #c7d2fe}
.a-form textarea{margin-top:10px;min-height:70px}
.a-submit{margin-top:12px;padding:15px;font-size:1.1rem;border-radius:14px}
.hint{font-size:.82rem;color:var(--muted);margin-top:8px;text-align:center}
.empty{background:#fff;border-radius:18px;text-align:center;padding:40px 20px;border:1px solid var(--line)}
.empty .big{font-size:3rem}

/* modal & toast */
.modal{position:fixed;inset:0;background:rgba(15,23,42,.6);z-index:100;display:flex;align-items:center;justify-content:center;padding:16px}
.modal .box{background:#fff;border-radius:20px;max-width:440px;width:100%;padding:22px;text-align:center;box-shadow:0 20px 50px rgba(0,0,0,.35)}
.modal .ico{font-size:3rem}
.modal h2{margin:.2em 0 .4em}
.modal p{margin:.4em 0;text-align:left}
.modal.lv1 .box{border-top:8px solid #f59e0b}
.modal.lv2 .box{border-top:8px solid #ea580c}
.modal.lv3 .box{border-top:8px solid #dc2626}
.modal.lv3 h2{color:#dc2626}
.modal .tot{background:#fef2f2;border-radius:12px;padding:10px;margin:10px 0;font-weight:600;text-align:center}
.toast{position:fixed;left:12px;right:12px;top:12px;max-width:496px;margin:0 auto;z-index:90;background:#16a34a;color:#fff;padding:12px 16px;border-radius:12px;font-weight:600;box-shadow:0 8px 20px rgba(0,0,0,.2);transition:opacity .4s}
.toast.err{background:#dc2626}