:root{
  --bg:#f3f6f5;--card:#ffffff;--ink:#12211d;--mute:#5d6e69;--line:#e2e9e6;
  --brand:#0f766e;--brand-d:#0b5a54;--brand-soft:#e3f4f1;
  --pos:#15803d;--neg:#b91c1c;--amber:#b45309;
  --red-bg:#fde8e8;--amber-bg:#fdf1d3;--green-bg:#dcf5e4;--blue-bg:#dceafd;--gray-bg:#e8ecea;
  --shadow:0 1px 2px rgba(16,40,34,.06),0 4px 14px rgba(16,40,34,.05);
  --r:14px;
}
@media(prefers-color-scheme:dark){:root{
  --bg:#0c1311;--card:#16201d;--ink:#e9f1ee;--mute:#9bb0a9;--line:#24322e;
  --brand:#2dd4bf;--brand-d:#14b8a6;--brand-soft:#12332e;
  --pos:#4ade80;--neg:#f87171;--amber:#fbbf24;
  --red-bg:#4a1d1d;--amber-bg:#493410;--green-bg:#143d28;--blue-bg:#1d3a5c;--gray-bg:#27332f;
  --shadow:none;
}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 "Noto Sans Bengali","Hind Siliguri",system-ui,-apple-system,"Segoe UI",sans-serif;padding-bottom:84px;-webkit-tap-highlight-color:transparent}
body.plain{padding-bottom:0}
a{color:var(--brand)}
h1{font-size:26px;margin:8px 0 4px}
h2{font-size:17px;margin:0}
h3{margin:14px 0 0;font-size:16px}
.muted{color:var(--mute);font-size:14px;font-weight:400}
.sm{font-size:13px}

/* ---- উপরের বার ---- */
.top{position:sticky;top:0;z-index:20;height:56px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 16px;background:var(--brand);color:#fff}
@media(prefers-color-scheme:dark){.top{background:#0f2a26;color:var(--ink);border-bottom:1px solid var(--line)}}
.top .ttl{font-size:19px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.avatar{flex:none;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.2);color:inherit;text-decoration:none;font-weight:700}
@media(prefers-color-scheme:dark){.avatar{background:var(--brand-soft);color:var(--brand)}}

main{max-width:760px;margin:0 auto;padding:14px 16px 28px}
main.narrow{max-width:420px;padding-top:36px}
.sec{display:flex;justify-content:space-between;align-items:baseline;margin:24px 2px 10px}
.sec a{font-size:14px;text-decoration:none}

/* ---- কার্ড ও হিরো ---- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px;margin:12px 0;box-shadow:var(--shadow)}
.hero{position:relative;overflow:hidden;color:#fff;border-radius:18px;padding:18px 18px 16px;margin:2px 0 14px;background:linear-gradient(135deg,#0f766e 0%,#0b5a54 100%);box-shadow:0 8px 24px rgba(15,118,110,.28)}
.hero.loss{background:linear-gradient(135deg,#b91c1c 0%,#8f1414 100%);box-shadow:0 8px 24px rgba(185,28,28,.28)}
.hero::after{content:"";position:absolute;right:-40px;top:-40px;width:150px;height:150px;border-radius:50%;background:rgba(255,255,255,.08)}
.hero-l{display:block;font-size:14px;opacity:.9}
.hero-n{display:block;font-size:34px;line-height:1.25;font-weight:800;letter-spacing:.2px}
.hero-sub{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px;padding-top:12px;border-top:1px solid rgba(255,255,255,.2)}
.hero-sub span{display:block;font-size:12.5px;opacity:.85}
.hero-sub b{font-size:17px}
.hero-bar{height:7px;border-radius:99px;background:rgba(255,255,255,.25);margin-top:12px;overflow:hidden}
.hero-bar i{display:block;height:100%;border-radius:99px;background:#fff}
.hero-note{font-size:13px;opacity:.9;margin-top:6px}
@media(prefers-color-scheme:dark){.hero{box-shadow:none}}

/* ---- পরিসংখ্যান ---- */
.grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:10px 0}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:11px 13px;box-shadow:var(--shadow);min-width:0}
.stat span{display:block;font-size:12.5px;color:var(--mute);line-height:1.35}
.stat b{display:block;font-size:19px;margin-top:2px}
.stat.wide{grid-column:1/-1}
.pos{color:var(--pos)}.neg{color:var(--neg)}.amber-t{color:var(--amber)}

/* ---- লিস্টের সারি ---- */
.row{display:flex;justify-content:space-between;align-items:center;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;margin:8px 0;color:inherit;text-decoration:none;box-shadow:var(--shadow)}
a.row{transition:transform .08s ease,border-color .15s}
a.row:active{transform:scale(.99)}
a.row:hover{border-color:var(--brand)}
.row .main{min-width:0;flex:1}
.row .nm{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row .right{text-align:right;flex:none;display:flex;flex-direction:column;align-items:flex-end;gap:4px}
.row .profit{font-weight:700;font-size:14px}
.prj{border-left:4px solid var(--line)}
.prj.st-running{border-left-color:#3b82f6}
.prj.st-delivered{border-left-color:var(--pos)}
.prj.st-cancelled{border-left-color:#9ca3af;opacity:.8}
.prj.st-soon{border-left-color:#f59e0b}
.prj.st-late{border-left-color:var(--neg)}
.progress{height:6px;border-radius:99px;background:var(--gray-bg);margin:7px 0 4px;overflow:hidden}
.progress i{display:block;height:100%;border-radius:99px;background:var(--brand)}
.empty{text-align:center;color:var(--mute);background:var(--card);border:1px dashed var(--line);border-radius:var(--r);padding:20px 14px;margin:8px 0}

.badge{display:inline-block;font-size:12px;padding:2px 10px;border-radius:99px;background:var(--gray-bg);white-space:nowrap}
.badge.red{background:var(--red-bg);color:var(--neg)}.badge.amber{background:var(--amber-bg);color:var(--amber)}
.badge.green{background:var(--green-bg);color:var(--pos)}.badge.blue{background:var(--blue-bg);color:#1d4ed8}
.badge.gray{background:var(--gray-bg);color:var(--mute)}
@media(prefers-color-scheme:dark){.badge.blue{color:#93c5fd}}

/* ---- বাটন ও ফর্ম ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;width:100%;min-height:48px;background:var(--brand);color:#fff;border:1px solid var(--brand);border-radius:12px;padding:10px 16px;font:inherit;font-weight:700;text-align:center;text-decoration:none;cursor:pointer;margin-top:12px;transition:background .15s}
@media(prefers-color-scheme:dark){.btn{color:#04201c}}
.btn:hover{background:var(--brand-d);border-color:var(--brand-d)}
.btn.alt{background:var(--card);color:var(--brand);border-color:var(--brand)}
@media(prefers-color-scheme:dark){.btn.alt{color:var(--brand)}}
.btn.alt:hover{background:var(--brand-soft)}
.btn.danger{background:var(--neg);border-color:var(--neg);color:#fff}
.btn.small{width:auto;min-height:40px;padding:7px 16px;margin:0;font-size:14px}
.quick{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.quick .btn{margin-top:0}
details.card>summary{list-style:none;cursor:pointer}
details.card>summary::-webkit-details-marker{display:none}
details.card>summary.btn{margin-top:0}
details[open]>summary.btn{margin-bottom:6px}
details.detail>summary{font-weight:700;display:flex;justify-content:space-between}
details.detail>summary::after{content:"▾";color:var(--mute)}
details.detail[open]>summary::after{content:"▴"}
details.detail dl{margin:10px 0 0}
details.detail dl div{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-top:1px solid var(--line)}
details.detail dt{color:var(--mute);font-size:14px}
details.detail dd{margin:0;font-weight:700;white-space:nowrap}
details.detail .total dt{color:var(--ink);font-weight:700}

.form label{display:block;font-size:14px;color:var(--mute);margin:12px 0 0}
.form input,.form select,.form textarea,.search input,.filters input,.filters select,.inline input,.inline select{width:100%;min-height:46px;margin-top:5px;padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:var(--bg);color:var(--ink);font:inherit}
.form input:focus,.form select:focus,.form textarea:focus,.search input:focus,.filters input:focus,.filters select:focus{outline:2px solid var(--brand);outline-offset:0;border-color:transparent}
.form .check{display:flex;gap:10px;align-items:center;color:var(--ink)}
.form .check input{width:20px;min-height:20px;margin:0}
.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.search,.filters{display:flex;gap:8px;margin:12px 0;align-items:flex-end}
.filters input,.filters select{flex:1;min-width:0}
.filters .btn{flex:none}
.inline{display:flex;gap:8px;align-items:center;margin-top:10px}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.actions form{flex:1}.actions .btn.small{width:100%}

.tabs{display:flex;gap:8px;overflow-x:auto;margin:12px -16px;padding:2px 16px;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tabs a{padding:8px 15px;border-radius:99px;background:var(--card);border:1px solid var(--line);color:var(--ink);text-decoration:none;white-space:nowrap;font-size:14px}
.tabs a.on{background:var(--brand);color:#fff;border-color:var(--brand);font-weight:700}
@media(prefers-color-scheme:dark){.tabs a.on{color:#04201c}}

.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;gap:6px;align-items:center;background:var(--card);border:1px solid var(--line);padding:4px 6px 4px 12px;border-radius:99px;font-size:14px}
.chip button,.x{background:none;border:0;color:var(--neg);cursor:pointer;font:inherit}
.x{font-size:13px;padding:8px}

.flash{padding:12px 14px;border-radius:12px;margin:0 0 12px;font-weight:600}
.flash.ok{background:var(--green-bg);color:var(--pos)}.flash.err{background:var(--red-bg);color:var(--neg)}

/* ---- নিচের নেভিগেশন (মোবাইল) ---- */
.bottom{position:fixed;left:0;right:0;bottom:0;z-index:20;display:grid;grid-template-columns:repeat(4,1fr);background:var(--card);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);box-shadow:0 -4px 16px rgba(16,40,34,.06)}
.bottom a{display:flex;flex-direction:column;align-items:center;gap:2px;padding:9px 4px 8px;color:var(--mute);text-decoration:none;font-size:12.5px}
.bottom a.on{color:var(--brand);font-weight:700}
.bottom a.on svg{background:var(--brand-soft);border-radius:10px;padding:3px;width:34px;height:28px;box-sizing:border-box}

/* ---- বড় পর্দা ---- */
@media(min-width:900px){
  body{padding-bottom:0}
  main{max-width:900px;padding:24px 20px 48px}
  .grid.g4{grid-template-columns:repeat(4,1fr)}
  .hero{padding:22px 24px}
  .hero-n{font-size:42px}
  .btn{width:auto;min-width:200px}
  .quick{display:flex}
  .quick .btn{flex:1}
  .tabs{margin:12px 0;padding:2px 0}
  .bottom{top:0;bottom:auto;left:50%;right:auto;transform:translateX(-50%);height:56px;width:auto;grid-template-columns:repeat(4,auto);gap:4px;background:transparent;border:0;box-shadow:none;padding:0}
  .bottom a{flex-direction:row;gap:6px;padding:0 16px;color:rgba(255,255,255,.85);font-size:15px;border-radius:10px;height:40px;align-self:center}
  .bottom a.on{color:#fff;background:rgba(255,255,255,.18)}
  .bottom a.on svg{background:none;padding:0;width:22px;height:22px}
  .avatar{margin-left:auto}
}
@media(min-width:900px) and (prefers-color-scheme:dark){.bottom a{color:var(--mute)}.bottom a.on{color:var(--brand);background:var(--brand-soft)}}

/* ---- chart ---- */
.trend{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;align-items:end;height:150px}
.tcol{display:flex;flex-direction:column;align-items:center;gap:6px;height:100%;justify-content:flex-end}
.tbars{display:flex;align-items:flex-end;gap:4px;height:120px;width:100%;justify-content:center}
.tbars i{display:block;width:34%;max-width:22px;border-radius:5px 5px 2px 2px;min-height:0}
.tbars i.in,.legend i.in{background:var(--pos)}
.tbars i.out,.legend i.out{background:var(--neg)}
.tcol span{font-size:12px;color:var(--mute)}
.legend{display:flex;gap:6px;align-items:center;justify-content:center;font-size:12.5px;color:var(--mute);margin-top:8px}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-left:10px}
.legend i:first-child{margin-left:0}

/* ---- report bars ---- */
.bd{padding:7px 0}
.bd+.bd{border-top:1px solid var(--line)}
.bd-top{display:flex;justify-content:space-between;gap:10px;font-size:14.5px}
.progress i.neg-fill{background:var(--neg)}

/* ---- sign-in mark ---- */
.brand-mark{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:var(--brand);color:#fff;font-size:26px;font-weight:800;margin-bottom:8px}
@media(prefers-color-scheme:dark){.brand-mark{color:#04201c}}

/* ---- invoice ---- */
.inv-page{background:var(--bg);padding:16px 12px 40px}
.inv-actions{max-width:820px;margin:0 auto 12px;display:flex;justify-content:space-between;gap:10px}
.inv-actions .btn{margin-top:0}
.inv{position:relative;max-width:820px;margin:0 auto;background:#fff;color:#111;border:1px solid #e3e8e6;border-radius:14px;padding:28px 26px;box-shadow:var(--shadow)}
.inv .muted{color:#5d6e69}
.inv-head{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;border-bottom:2px solid #0f766e;padding-bottom:16px}
.inv-head h1{margin:0 0 4px;font-size:24px;color:#0f766e}
.inv-meta{text-align:right}
.inv-title{font-size:26px;font-weight:800;letter-spacing:2px;color:#0f766e;margin-bottom:4px}
.inv-bill{margin:18px 0}
.inv-bill span{display:block;font-size:12px;text-transform:uppercase;letter-spacing:1px}
.inv-bill b{font-size:18px}
.inv-h{margin:22px 0 6px;font-size:15px}
.inv-table{width:100%;border-collapse:collapse;margin:8px 0}
.inv-table th{background:#f0f5f3;text-align:left;font-size:12.5px;text-transform:uppercase;letter-spacing:.6px;padding:9px 10px}
.inv-table td{padding:10px;border-bottom:1px solid #e3e8e6;vertical-align:top}
.inv-table .r{text-align:right;white-space:nowrap}
.inv-total{margin:18px 0 0 auto;max-width:300px}
.inv-total div{display:flex;justify-content:space-between;padding:6px 0}
.inv-total .due{border-top:2px solid #111;margin-top:6px;padding-top:10px;font-size:18px}
.inv-foot{margin-top:28px;padding-top:14px;border-top:1px dashed #cfd8d4;font-size:14px;color:#44534e}
.stamp{position:absolute;right:34px;top:150px;transform:rotate(-12deg);border:4px solid #15803d;color:#15803d;font-weight:800;font-size:30px;letter-spacing:4px;padding:2px 16px;border-radius:10px;opacity:.75}
.stamp.gray{border-color:#6b7280;color:#6b7280}
@media(max-width:560px){.inv{padding:20px 16px}.inv-meta{text-align:left}.stamp{top:auto;bottom:70px;font-size:24px}}
@media print{
  body{background:#fff!important;padding:0!important}
  .inv-actions,.bottom,.top{display:none!important}
  .inv{border:0;box-shadow:none;border-radius:0;max-width:none;padding:0}
  @page{margin:16mm}
}