:root{
  --bg:#f5f7fb; --panel:#fff; --ink:#172033; --muted:#64708a; --line:#e3e8f1; --soft:#f0f3f9;
  --brand:#1f4fd8; --brand-ink:#fff; --brand-soft:#e8eefc;
  --ok:#14804a; --ok-soft:#e3f5ea; --warn:#b25e00; --warn-soft:#fff2df; --bad:#c42b2b; --bad-soft:#fdeaea; --info:#5b45c9; --info-soft:#eeeafd;
  --radius:10px; --shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.05);
  font-size:14px;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans Bengali",sans-serif;background:var(--bg);color:var(--ink);line-height:1.45}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1{font-size:22px;margin:0}
h2{font-size:16px;margin:0 0 12px}
h3{font-size:14px;margin:0 0 8px}
small,.muted{color:var(--muted)}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px}
.right{text-align:right}.nowrap{white-space:nowrap}

/* layout */
.app{display:grid;grid-template-columns:232px 1fr;min-height:100vh}
.side{background:#0f1a33;color:#c9d3ea;padding:18px 12px;position:sticky;top:0;height:100vh;overflow:auto}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;padding:4px 10px 18px}
.brand .logo{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,#3b6cff,#1f4fd8);display:grid;place-items:center;font-size:15px}
.brand small{display:block;color:#8d9bbd;font-weight:500;font-size:11px}
.nav a{display:flex;align-items:center;gap:10px;color:#c9d3ea;padding:9px 10px;border-radius:8px;margin:2px 0}
.nav a:hover{background:#1a2747;text-decoration:none;color:#fff}
.nav a.on{background:#25407e;color:#fff}
.nav .sep{height:1px;background:#22304f;margin:12px 6px}
.nav svg{width:17px;height:17px;flex:none;opacity:.9}
.main{min-width:0}
.top{display:flex;align-items:center;gap:12px;padding:12px 24px;background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.top form.search{flex:1;max-width:460px}
.top .search input{width:100%}
.top .who{margin-left:auto;display:flex;align-items:center;gap:10px;color:var(--muted)}
.content{padding:22px 24px 60px;max-width:1320px}
.head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.head .actions{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}

/* panels */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin-bottom:18px}
.card.flush{padding:0}
.card.flush>h2{padding:16px 18px 0}
.grid{display:grid;gap:18px;margin-bottom:18px}
.grid>.card,.grid>div>.card:last-child{margin-bottom:0}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.kpi{padding:16px 18px}
.kpi .label{color:var(--muted);font-size:12.5px;font-weight:500}
.kpi .value{font-size:22px;font-weight:700;margin-top:4px;font-variant-numeric:tabular-nums}
.kpi .sub{color:var(--muted);font-size:12px;margin-top:2px}
.kpi.bad .value{color:var(--bad)}
.kpi.ok .value{color:var(--ok)}

/* tables */
.tbl-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse}
th,td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{font-size:12px;text-transform:uppercase;letter-spacing:.03em;color:var(--muted);font-weight:600;background:var(--soft)}
tbody tr:hover{background:#fafbfe}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
tfoot td{font-weight:600;background:var(--soft)}
.empty{padding:28px;text-align:center;color:var(--muted)}

/* badges */
.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600;background:var(--soft);color:var(--muted);white-space:nowrap}
.b-active,.b-paid,.b-converted,.b-running,.b-ok{background:var(--ok-soft);color:var(--ok)}
.b-unpaid,.b-pending,.b-planned,.b-targeted,.b-lead{background:var(--brand-soft);color:var(--brand)}
.b-partial,.b-suspended,.b-contacted,.b-responded{background:var(--warn-soft);color:var(--warn)}
.b-overdue,.b-expired,.b-error{background:var(--bad-soft);color:var(--bad)}
.b-cancelled,.b-inactive,.b-draft,.b-finished{background:#eef0f4;color:#5c6577}
.pill{display:inline-block;padding:1px 8px;border-radius:6px;background:var(--soft);font-size:12px;color:var(--muted);margin:1px 2px 1px 0}

/* forms */
label{display:block;font-weight:600;font-size:12.5px;margin:0 0 5px;color:#2d3850}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=url],input[type=search],select,textarea{
  width:100%;padding:8px 10px;border:1px solid #cfd6e4;border-radius:8px;background:#fff;font:inherit;color:inherit}
textarea{min-height:84px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand-soft);border-color:var(--brand)}
.field{margin-bottom:14px}
.fields{display:grid;gap:0 16px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.check{display:flex;align-items:center;gap:8px;font-weight:500}
.check input{width:auto}
.hint{color:var(--muted);font-size:12px;margin-top:4px}
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:8px;border:1px solid #cfd6e4;background:#fff;color:var(--ink);font:inherit;font-weight:600;cursor:pointer;white-space:nowrap}
.btn:hover{background:var(--soft);text-decoration:none}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:#1a43b8}
.btn.danger{color:var(--bad);border-color:#efc4c4}
.btn.danger:hover{background:var(--bad-soft)}
.btn.sm{padding:4px 10px;font-size:12.5px}
.btn.link{border:0;background:none;color:var(--brand);padding:0;font-weight:600}
.inline{display:inline}
.filters{display:flex;gap:8px;flex-wrap:wrap;align-items:end;padding:14px 18px;border-bottom:1px solid var(--line)}
.filters .field{margin:0;min-width:150px}
.filters input[type=search]{min-width:220px}

/* alerts */
.flash{padding:11px 14px;border-radius:8px;margin-bottom:14px;font-weight:500;white-space:pre-line}
.flash.ok{background:var(--ok-soft);color:#0d5c35}
.flash.error{background:var(--bad-soft);color:#8f1d1d}
.flash.info{background:var(--brand-soft);color:#173a9f}
.errors{background:var(--bad-soft);color:#8f1d1d;padding:10px 14px;border-radius:8px;margin-bottom:14px}
.errors ul{margin:0;padding-left:18px}

/* tabs */
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);margin-bottom:18px;overflow-x:auto}
.tabs a{padding:10px 14px;color:var(--muted);font-weight:600;border-bottom:2px solid transparent;white-space:nowrap}
.tabs a:hover{color:var(--ink);text-decoration:none}
.tabs a.on{color:var(--brand);border-color:var(--brand)}
.tab-pane{display:none}.tab-pane.on{display:block}

/* customer header */
.profile{display:flex;gap:16px;align-items:flex-start;flex-wrap:wrap}
.avatar{width:52px;height:52px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-weight:700;font-size:20px;flex:none}
.dl{display:grid;grid-template-columns:140px 1fr;gap:6px 12px;margin:0}
.dl dt{color:var(--muted)}.dl dd{margin:0;word-break:break-word}

/* timeline */
.timeline{list-style:none;margin:0;padding:0}
.timeline li{padding:10px 0 10px 18px;border-left:2px solid var(--line);position:relative}
.timeline li:before{content:"";position:absolute;left:-6px;top:15px;width:10px;height:10px;border-radius:50%;background:var(--brand)}
.timeline li.system:before{background:#aab4c8}
.timeline .meta{font-size:12px;color:var(--muted)}

/* bars */
.bars{display:flex;align-items:flex-end;gap:14px;height:150px;padding-top:10px}
.bars .bar{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;height:100%;justify-content:flex-end}
.bars .bar i{display:block;width:100%;max-width:46px;background:var(--brand);border-radius:6px 6px 0 0;min-height:2px}
.bars .bar span{font-size:12px;color:var(--muted)}
.bars .bar b{font-size:11px;font-weight:600;color:var(--muted)}
.funnel{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.funnel div{background:var(--soft);border-radius:8px;padding:12px;text-align:center}
.funnel b{display:block;font-size:20px}

.pager{display:flex;gap:4px;padding:12px 18px;flex-wrap:wrap}
.pager a,.pager b,.pager span{padding:4px 10px;border-radius:6px;border:1px solid var(--line)}
.pager b{background:var(--brand);color:#fff;border-color:var(--brand)}

/* items editor */
#items td{padding:6px;vertical-align:middle}
#items input{padding:6px 8px}
.totals{margin-left:auto;width:100%;max-width:340px}
.totals div{display:flex;justify-content:space-between;padding:4px 0}
.totals .grand{font-size:16px;font-weight:700;border-top:1px solid var(--line);padding-top:8px;margin-top:4px}

/* bare pages */
.bare{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(160deg,#0f1a33,#1f4fd8)}
.bare .card{width:100%;max-width:440px}
.bare .card.wide{max-width:760px}
.bare .brand{color:var(--ink);padding:0 0 16px}
.bare .brand small{color:var(--muted)}

.top .menu-btn{display:none}
@media (max-width:1100px){.g4{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:1fr 1fr}}
@media (max-width:820px){
  .app{grid-template-columns:1fr}
  .side{position:fixed;left:-260px;width:240px;z-index:20;transition:left .2s}
  .side.open{left:0}
  .top .menu-btn{display:inline-flex}
  .top .who span{display:none}
  .content{padding:16px}
  .top{padding:10px 16px}
  .g2,.g3{grid-template-columns:1fr}
  .g4{grid-template-columns:1fr 1fr;gap:10px}
  .kpi{padding:12px}.kpi .value{font-size:17px}
  .grid[style]{grid-template-columns:1fr!important}
  .dl{grid-template-columns:110px 1fr}
  .funnel{grid-template-columns:1fr 1fr}
}
@media print{.side,.top,.no-print{display:none!important}.app{display:block}.content{padding:0}.card{box-shadow:none}}