/* BD Product Radar — design system */
:root{
  --bg:#f4f6fb;--surface:#fff;--surface2:#f8fafc;--ink:#0f172a;--ink2:#334155;--mut:#64748b;--line:#e4e9f2;--line2:#d5dce9;
  --pri:#0f766e;--pri-h:#115e59;--pri-soft:#e6f6f4;--acc:#f59e0b;
  --ok:#15803d;--ok-bg:#e8f7ee;--warn:#b45309;--warn-bg:#fdf3e1;--bad:#b91c1c;--bad-bg:#fdecec;--info:#1d4ed8;--info-bg:#e8effd;
  --side:#0b1b33;--side2:#10264a;--side-ink:#c7d3e8;--side-act:#14b8a6;
  --shadow:0 1px 2px rgba(15,23,42,.05),0 4px 14px rgba(15,23,42,.04);--r:12px;
  --font:"Hind Siliguri","Noto Sans Bengali",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
[data-theme=dark]{
  --bg:#0a1120;--surface:#111b2f;--surface2:#0e1728;--ink:#e6ecf8;--ink2:#c3cde0;--mut:#8b9ab5;--line:#1f2d47;--line2:#2a3a58;
  --pri:#2dd4bf;--pri-h:#5eead4;--pri-soft:#0f2c33;--ok:#4ade80;--ok-bg:#0f2a1c;--warn:#fbbf24;--warn-bg:#2d2208;--bad:#f87171;--bad-bg:#2f1414;--info:#7aa2ff;--info-bg:#14213f;
  --shadow:0 1px 2px rgba(0,0,0,.4);--side:#070e1c;--side2:#0d1a33;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 var(--font);-webkit-font-smoothing:antialiased}
a{color:var(--pri);text-decoration:none}a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:0;line-height:1.3}h1{font-size:22px}h2{font-size:17px}h3{font-size:15px}
p{margin:0 0 10px}small,.mut{color:var(--mut)}.sm{font-size:13px}.xs{font-size:12px}
code,.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px}
code{background:var(--surface2);border:1px solid var(--line);padding:1px 6px;border-radius:6px}
hr{border:0;border-top:1px solid var(--line);margin:18px 0}
.ic{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none;vertical-align:-3px}

/* layout */
.app{display:grid;grid-template-columns:252px 1fr;min-height:100vh}
.side{background:linear-gradient(180deg,var(--side),var(--side2));color:var(--side-ink);position:sticky;top:0;height:100vh;overflow:auto;padding:16px 12px;display:flex;flex-direction:column;gap:4px}
.brand{display:flex;gap:10px;align-items:center;padding:6px 8px 16px;color:#fff;font-weight:700;font-size:16px}
.brand .lg{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,#0f766e,#2dd4bf);display:grid;place-items:center;color:#fff;font-weight:800}
.brand small{display:block;color:#7f93b4;font-weight:400;font-size:11px}
.nav-h{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#6f84a8;padding:14px 10px 4px}
.nav a{display:flex;gap:10px;align-items:center;padding:8px 10px;border-radius:9px;color:var(--side-ink);font-size:14.5px}
.nav a:hover{background:rgba(255,255,255,.06);text-decoration:none;color:#fff}
.nav a.on{background:rgba(20,184,166,.16);color:#fff;box-shadow:inset 3px 0 0 var(--side-act)}
.nav .badge{margin-left:auto;background:var(--acc);color:#1c1204;border-radius:999px;font-size:11px;font-weight:700;padding:0 7px}
.main{min-width:0;display:flex;flex-direction:column}
.top{display:flex;gap:12px;align-items:center;padding:12px 24px;background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.top h1{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.burger{display:none}
.content{padding:22px 24px 60px;max-width:1500px;width:100%}
.iconbtn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--ink2);cursor:pointer;position:relative}
.iconbtn:hover{border-color:var(--line2);text-decoration:none}
.iconbtn .dot{position:absolute;top:-4px;right:-4px;background:var(--acc);color:#1c1204;font-size:10px;font-weight:700;border-radius:999px;padding:0 5px;min-width:16px;text-align:center}
.langsw{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.langsw a{padding:6px 11px;font-size:13px;color:var(--mut)}.langsw a.on{background:var(--pri);color:#fff}.langsw a:hover{text-decoration:none}

/* cards & grids */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:18px}
.card.flush{padding:0;overflow:hidden}
.card-h{display:flex;gap:10px;align-items:center;margin-bottom:14px;flex-wrap:wrap}
.card-h h2,.card-h h3{flex:1;min-width:0}
.grid{display:grid;gap:16px}.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))}
.g-main{grid-template-columns:minmax(0,2fr) minmax(0,1fr)}
.stack>*+*{margin-top:16px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.row.sb{justify-content:space-between}.grow{flex:1}
.kpi{display:flex;gap:14px;align-items:center}
.kpi .ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--pri-soft);color:var(--pri)}
.kpi .v{font-size:24px;font-weight:700;line-height:1.1}.kpi .l{font-size:13px;color:var(--mut)}

/* buttons & forms */
.btn{display:inline-flex;gap:7px;align-items:center;justify-content:center;padding:8px 15px;border-radius:10px;border:1px solid var(--pri);background:var(--pri);color:#fff;font:inherit;font-weight:600;font-size:14px;cursor:pointer;white-space:nowrap}
[data-theme=dark] .btn{color:#04201c}
.btn:hover{background:var(--pri-h);border-color:var(--pri-h);text-decoration:none}
.btn.ghost{background:transparent;color:var(--ink2);border-color:var(--line2)}.btn.ghost:hover{background:var(--surface2);color:var(--ink)}
[data-theme=dark] .btn.ghost{color:var(--ink2)}
.btn.danger{background:transparent;color:var(--bad);border-color:var(--bad)}.btn.danger:hover{background:var(--bad-bg)}
.btn.sm{padding:4px 10px;font-size:13px;border-radius:8px}.btn.xs{padding:2px 8px;font-size:12px;border-radius:7px}
.btn[disabled],.btn.loading{opacity:.6;pointer-events:none}
.btn.loading::after{content:"";width:13px;height:13px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
label{display:block;font-size:13px;font-weight:600;margin:0 0 5px;color:var(--ink2)}
.hint{font-size:12px;color:var(--mut);margin-top:4px;font-weight:400}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=url],input[type=search],input:not([type]),select,textarea{
  width:100%;padding:9px 12px;border:1px solid var(--line2);border-radius:10px;background:var(--surface);color:var(--ink);font:inherit;font-size:14.5px}
textarea{min-height:90px;resize:vertical;line-height:1.5}
input:focus,select:focus,textarea:focus{outline:2px solid color-mix(in srgb,var(--pri) 35%,transparent);border-color:var(--pri)}
input[type=checkbox],input[type=radio]{width:auto;accent-color:var(--pri)}
.fg{margin-bottom:14px}.fgrid{display:grid;gap:14px;grid-template-columns:repeat(2,minmax(0,1fr))}.fgrid.c3{grid-template-columns:repeat(3,minmax(0,1fr))}.fgrid.c4{grid-template-columns:repeat(4,minmax(0,1fr))}.fgrid .full{grid-column:1/-1}
.chk{display:flex;gap:8px;align-items:center;font-weight:500;font-size:14px;margin:0}
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:end;margin-bottom:14px}.filters>div{min-width:140px}.filters .grow{flex:1;min-width:200px}
.counter{font-size:12px;color:var(--mut);text-align:right;margin-top:3px}.counter.over{color:var(--bad);font-weight:600}.counter.good{color:var(--ok)}

/* tables */
.tbl-wrap{overflow:auto;max-width:100%}
table.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th{position:sticky;top:0;background:var(--surface2);text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--mut);padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl td{padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl tr:last-child td{border-bottom:0}.tbl tbody tr:hover{background:var(--surface2)}
.tbl .num{text-align:right;white-space:nowrap}.tbl .nw{white-space:nowrap}
.thumb{width:44px;height:44px;border-radius:9px;object-fit:cover;background:var(--surface2);border:1px solid var(--line);flex:none}
.thumb.lg{width:96px;height:96px;border-radius:12px}
.pname{display:flex;gap:10px;align-items:center;min-width:220px}.pname .t{font-weight:600;line-height:1.35}.pname .s{font-size:12px;color:var(--mut)}
.ellip{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* badges, scores, chips */
.pill{display:inline-flex;gap:5px;align-items:center;padding:1px 9px;border-radius:999px;font-size:12px;font-weight:600;background:var(--surface2);border:1px solid var(--line);color:var(--ink2);white-space:nowrap}
.pill.ok{background:var(--ok-bg);color:var(--ok);border-color:transparent}.pill.warn{background:var(--warn-bg);color:var(--warn);border-color:transparent}
.pill.bad{background:var(--bad-bg);color:var(--bad);border-color:transparent}.pill.info{background:var(--info-bg);color:var(--info);border-color:transparent}
.score{display:inline-grid;place-items:center;min-width:38px;height:28px;padding:0 8px;border-radius:8px;font-weight:700;font-size:14px}
.score-hot{background:#16a34a;color:#fff}.score-good{background:#0d9488;color:#fff}.score-mid{background:#f59e0b;color:#2a1700}.score-low{background:#ef4444;color:#fff}.score-none{background:var(--surface2);color:var(--mut);border:1px solid var(--line)}
.lowdata{display:inline-grid;place-items:center;width:16px;height:16px;border-radius:50%;background:var(--warn-bg);color:var(--warn);font-size:11px;font-weight:700;cursor:help}
.bars{display:grid;gap:8px}.bar{display:grid;grid-template-columns:120px 1fr 38px;gap:10px;align-items:center;font-size:13px}
.bar .tr{height:8px;border-radius:99px;background:var(--surface2);border:1px solid var(--line);overflow:hidden}.bar .fl{height:100%;border-radius:99px;background:var(--pri)}
.bar.na .fl{width:0!important}.bar.na{color:var(--mut)}
.reasons{display:grid;gap:6px;margin:0;padding:0;list-style:none}.reasons li{display:flex;gap:8px;font-size:14px}.reasons .g{color:var(--ok)}.reasons .b{color:var(--bad)}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{display:inline-flex;gap:5px;align-items:center;padding:3px 10px;border-radius:999px;background:var(--surface2);border:1px solid var(--line);font-size:13px;cursor:pointer;user-select:none}
.chip:hover{border-color:var(--pri);color:var(--pri)}
.chip.ver{background:var(--pri-soft);border-color:transparent;color:var(--pri)}.chip.ver::before{content:"✓";font-weight:700;font-size:11px}
.chip .x{color:var(--mut);margin-left:2px}.chip .x:hover{color:var(--bad)}

/* flash / toasts */
.flash{padding:11px 14px;border-radius:10px;margin-bottom:14px;font-size:14px;border:1px solid transparent}
.flash.success{background:var(--ok-bg);color:var(--ok)}.flash.error{background:var(--bad-bg);color:var(--bad)}.flash.info{background:var(--info-bg);color:var(--info)}.flash.warn{background:var(--warn-bg);color:var(--warn)}
#toasts{position:fixed;right:18px;bottom:18px;display:grid;gap:8px;z-index:100}
.toast{background:#0f172a;color:#fff;padding:10px 16px;border-radius:10px;font-size:14px;box-shadow:0 8px 24px rgba(0,0,0,.25);animation:tin .2s ease}
@keyframes tin{from{transform:translateY(8px);opacity:0}}
.empty{text-align:center;padding:36px 16px;color:var(--mut)}.empty .big{font-size:34px;margin-bottom:6px}

/* misc */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px;overflow:auto}
.tabs a,.tabs button{padding:9px 14px;border:0;background:none;font:inherit;font-weight:600;color:var(--mut);border-bottom:2px solid transparent;cursor:pointer;white-space:nowrap}
.tabs a:hover{text-decoration:none;color:var(--ink)}.tabs .on{color:var(--pri);border-bottom-color:var(--pri)}
.pager{display:flex;gap:4px;justify-content:center;margin-top:16px}.pager a,.pager .cur{min-width:34px;height:34px;display:grid;place-items:center;border-radius:8px;border:1px solid var(--line);background:var(--surface);color:var(--ink2)}.pager .cur{background:var(--pri);color:#fff;border-color:var(--pri)}.pager a:hover{text-decoration:none;border-color:var(--pri)}
.field-block{border:1px solid var(--line);border-radius:10px;padding:12px;background:var(--surface2);margin-bottom:12px}
.field-block .fh{display:flex;gap:8px;align-items:center;margin-bottom:6px}.field-block .fh b{flex:1;font-size:13px}
.langcol{border-left:3px solid var(--pri);padding-left:14px}.langcol.en{border-color:var(--acc)}
.preview-box{border:1px solid var(--line);border-radius:10px;padding:14px;background:var(--surface)}
.serp{font-family:Arial,sans-serif}.serp .u{color:#188038;font-size:13px}.serp .tt{color:#1a0dab;font-size:19px;line-height:1.3}.serp .dd{color:#4d5156;font-size:14px}
[data-theme=dark] .serp .tt{color:#8ab4f8}[data-theme=dark] .serp .dd{color:#bdc1c6}
.chart{width:100%;position:relative}.chart svg{display:block;width:100%;height:auto;overflow:visible}.chart .tip{position:absolute;pointer-events:none;background:#0f172a;color:#fff;font-size:12px;padding:4px 8px;border-radius:6px;white-space:nowrap;transform:translate(-50%,-120%)}
.legend{display:flex;gap:14px;font-size:12px;color:var(--mut);margin-top:6px;flex-wrap:wrap}.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px}
.progress{height:6px;border-radius:99px;background:var(--line);overflow:hidden}.progress>i{display:block;height:100%;background:var(--pri);width:0;transition:width .3s}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;font-size:14px}.kv dt{color:var(--mut)}.kv dd{margin:0;font-weight:600;text-align:right}
.callout{border:1px solid var(--line);border-left:4px solid var(--info);background:var(--info-bg);border-radius:10px;padding:12px 14px;font-size:14px}
.callout.warn{border-left-color:var(--acc);background:var(--warn-bg)}.callout.ok{border-left-color:var(--ok);background:var(--ok-bg)}
details.acc{border:1px solid var(--line);border-radius:10px;background:var(--surface);margin-bottom:10px}details.acc>summary{padding:11px 14px;cursor:pointer;font-weight:600}details.acc[open]>summary{border-bottom:1px solid var(--line)}details.acc>.b{padding:14px}
.ev-run{border-left:4px solid var(--ok)}.ev-soon{border-left:4px solid var(--acc)}
.spinner-box{display:none;align-items:center;gap:12px;padding:14px;border:1px dashed var(--line2);border-radius:10px;margin:12px 0;background:var(--surface2)}.spinner-box.on{display:flex}
.spinner-box i{width:20px;height:20px;border:3px solid var(--pri);border-right-color:transparent;border-radius:50%;animation:spin .8s linear infinite}
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px;background:radial-gradient(1200px 500px at 20% -10%,#0f766e22,transparent),var(--bg)}
.login-card{width:100%;max-width:400px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.hide{display:none!important}

@media(max-width:1100px){.g4{grid-template-columns:repeat(2,minmax(0,1fr))}.g-main,.g3{grid-template-columns:1fr}.fgrid.c4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:960px){
  .app{grid-template-columns:1fr}
  .side{position:fixed;left:0;top:0;bottom:0;width:272px;transform:translateX(-100%);transition:transform .2s;z-index:50}
  body.nav-open .side{transform:none;box-shadow:0 0 0 100vmax rgba(0,0,0,.45)}
  .burger{display:inline-flex}.content{padding:16px 14px 50px}.top{padding:10px 14px}
  .g2{grid-template-columns:1fr}.fgrid,.fgrid.c3{grid-template-columns:1fr}
}
@media(max-width:560px){.g4{grid-template-columns:1fr}.bar{grid-template-columns:90px 1fr 34px}.top .langsw{display:none}}
@media print{.side,.top,.btn,.iconbtn{display:none!important}.app{display:block}.card{box-shadow:none}}

/* product insight */
.ins-verdict{border-left:4px solid var(--border);margin-bottom:16px}.ins-verdict.ok{border-left-color:var(--ok)}.ins-verdict.warn{border-left-color:var(--warn)}.ins-verdict.bad{border-left-color:var(--bad)}.ins-verdict.info{border-left-color:var(--info)}
.ins-vt{font-size:17px;font-weight:600;line-height:1.5}
.ins-k .l{font-size:12px;color:var(--mut,#64748b);margin-bottom:6px}.ins-k .v{font-size:24px;font-weight:700;margin-bottom:4px}
.pbar{position:relative;height:14px;border-radius:8px;background:var(--surface2,#eef2f6);margin-top:8px}.pbar .rng{position:absolute;top:0;bottom:0;border-radius:8px;background:var(--ok-bg,#d1fae5);border:1px solid var(--ok,#059669)}.pbar .med{position:absolute;top:-3px;bottom:-3px;width:3px;background:var(--ok,#059669);border-radius:2px}
.pbar-l{display:flex;justify-content:space-between;font-size:12px;color:var(--mut,#64748b);margin-top:4px}
.mbar{height:4px;border-radius:3px;background:var(--surface2,#eef2f6);margin-top:4px;max-width:160px}.mbar i{display:block;height:100%;border-radius:3px;background:var(--accent,#2563eb)}
.bgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}.bcell .chips{margin-top:6px}
.chip.on{background:var(--accent,#2563eb);color:#fff;border-color:transparent}