/* Lifted from approved BidDesk_Mockup_App_CommercialOffer_20261007.html, shell rules. */
:root{
  --navy:#1F466B; --navy2:#16324D; --ocean:#145A95; --steel:#618FB4; --ice:#7FB2DC;
  --paper:#F2F5F9; --panel:#FFFFFF; --ink:#132538; --muted:#5E6E80; --line:#DFE6EE; --tint:#EBF2F9; --tint2:#F6F9FC;
  --good:#0E7A4B; --goodbg:#E2F4EA; --bad:#B0283A; --badbg:#FBE8EA; --warn:#9A6200; --warnbg:#FFF2D9; --wait:#9AA8B6;
  --shadow:0 1px 2px rgba(19,37,56,.06),0 10px 30px rgba(20,90,149,.08);
  --shadow-lg:0 24px 60px rgba(19,37,56,.18);
  --display:'Montserrat','Gotham','Segoe UI',sans-serif; --body:'Inter','Segoe UI',system-ui,sans-serif;
  --sb-w:268px; --sb-rail:76px; --top-h:60px; --ease:cubic-bezier(.22,1,.36,1);
}
html[data-theme="dark"]{
  --paper:#0B1622; --panel:#11243A; --ink:#E5EDF5; --muted:#9FB2C5; --line:#22405E; --tint:#173451; --tint2:#132B44;
  --goodbg:#103A28; --badbg:#3D1820; --warnbg:#3A2D10; --warn:#FFCF7A; --wait:#5D7286;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.3);
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--paper);color:var(--ink);font:14px/1.45 var(--body);-webkit-font-smoothing:antialiased}
button,input,select{font:inherit;color:inherit}
.num{font-variant-numeric:tabular-nums}

/* ───── top bar ───── */
.top{position:fixed;inset:0 0 auto 0;height:var(--top-h);z-index:50;display:flex;align-items:center;gap:14px;padding:0 18px 0 14px;
  background:linear-gradient(90deg,#16324D,#1F466B 40%,#145A95);color:#fff;box-shadow:0 2px 14px rgba(10,30,50,.25)}
.burger{width:44px;height:44px;border:0;border-radius:12px;background:transparent;display:grid;place-items:center;cursor:pointer;transition:background .2s}
.burger:hover{background:rgba(255,255,255,.12)}
.burger span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;position:relative;transition:transform .35s var(--ease),background .2s}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:#fff;border-radius:2px;transition:transform .35s var(--ease),width .35s var(--ease)}
.burger span::before{top:-6px}.burger span::after{top:6px}
body.sb-collapsed .burger span::before{width:13px}
body.sb-collapsed .burger span::after{width:16px}
.brand{display:flex;align-items:center;gap:12px;white-space:nowrap}
.brand b{font:800 15px var(--display);letter-spacing:.06em}
.brand i{font-style:normal;font-weight:800;color:var(--ice);letter-spacing:-2px}
.brand em{font-style:normal;font:600 14px var(--body);opacity:.9;padding-left:12px;border-left:1px solid rgba(255,255,255,.3)}
.top .sp{flex:1}
.mocktag{font:700 11px var(--body);letter-spacing:.08em;text-transform:uppercase;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);padding:5px 10px;border-radius:999px}
.theme{display:flex;gap:3px;background:rgba(255,255,255,.14);padding:3px;border-radius:999px}
.theme button{border:0;background:transparent;color:#fff;padding:6px 12px;border-radius:999px;font-weight:600;font-size:12.5px;cursor:pointer}
.theme button[aria-pressed="true"]{background:#fff;color:var(--ocean)}
.me{display:flex;align-items:center;gap:9px;font-weight:600;font-size:13px}
.av{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--ice),var(--steel));color:#0d2a44;font:800 12px var(--display)}

/* ───── sidebar ───── */
.sb{position:fixed;top:var(--top-h);bottom:0;left:0;width:var(--sb-w);z-index:40;color:#fff;display:flex;flex-direction:column;
  background:radial-gradient(120% 60% at 0% 0%,rgba(127,178,220,.18),transparent 60%),linear-gradient(180deg,#1F466B 0%,#17385A 55%,#132E4A 100%);
  transition:width .38s var(--ease),transform .38s var(--ease);box-shadow:inset -1px 0 0 rgba(255,255,255,.06)}
.sb-scroll{flex:1;overflow:hidden auto;padding:14px 12px 10px;scrollbar-width:thin;scrollbar-color:rgba(127,178,220,.4) transparent}
.newbtn{display:flex;align-items:center;gap:10px;width:100%;height:46px;border:0;border-radius:14px;cursor:pointer;color:#0d2a44;font-weight:700;font-size:14px;
  background:linear-gradient(135deg,#FFFFFF,#DCEBF8);box-shadow:0 6px 18px rgba(0,0,0,.18);padding:0 14px;margin-bottom:16px;overflow:hidden;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s,padding .38s var(--ease)}
.newbtn:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(0,0,0,.25)}
.newbtn .plus{flex:0 0 24px;height:24px;border-radius:8px;background:var(--ocean);color:#fff;display:grid;place-items:center;font-size:18px;line-height:1}
.sec{font:700 10.5px var(--body);letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.45);padding:10px 12px 6px;white-space:nowrap;position:relative;height:30px;transition:opacity .25s}
.sec::after{content:"";position:absolute;left:50%;top:15px;width:18px;height:2px;margin-left:-9px;border-radius:2px;background:rgba(255,255,255,.18);opacity:0;transition:opacity .25s}
.sb .nav{position:relative;display:block;flex:none;gap:0;list-style:none;margin:0 0 6px;padding:0}
.pill{position:absolute;left:0;right:0;top:0;height:46px;border-radius:13px;pointer-events:none;
  background:linear-gradient(90deg,rgba(127,178,220,.32),rgba(127,178,220,.12));box-shadow:inset 0 0 0 1px rgba(127,178,220,.35),0 6px 18px rgba(0,0,0,.15);
  transition:transform .45s var(--ease),opacity .2s}
.pill::before{content:"";position:absolute;left:-12px;top:11px;bottom:11px;width:4px;border-radius:0 4px 4px 0;background:var(--ice);box-shadow:0 0 12px var(--ice)}
.it{position:relative;display:flex;align-items:center;gap:13px;height:46px;padding:0 12px;border-radius:13px;cursor:pointer;color:rgba(255,255,255,.78);font-weight:500;font-size:14px;white-space:nowrap;transition:color .2s,background .2s}
.it:hover{color:#fff;background:rgba(255,255,255,.06)}
.it.on{color:#fff;font-weight:600}
.ic{flex:0 0 24px;width:24px;height:24px;display:grid;place-items:center;transition:transform .3s var(--ease)}
.it:hover .ic{transform:scale(1.12)}
.ic svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.lbl{transition:opacity .25s,transform .38s var(--ease)}
.badge{margin-left:auto;min-width:22px;height:22px;padding:0 7px;border-radius:999px;background:#F2B544;color:#3a2600;font:800 11.5px var(--body);display:grid;place-items:center;transition:opacity .2s,transform .38s var(--ease)}
.badge.b2{background:rgba(255,255,255,.18);color:#fff}
.tip{position:absolute;left:calc(100% + 14px);top:50%;transform:translate(-6px,-50%);background:#0E2236;color:#fff;font-size:12.5px;font-weight:600;padding:7px 11px;border-radius:9px;white-space:nowrap;opacity:0;pointer-events:none;box-shadow:0 8px 24px rgba(0,0,0,.3);transition:opacity .15s,transform .2s var(--ease);z-index:5}
.tip::before{content:"";position:absolute;left:-5px;top:50%;margin-top:-5px;border:5px solid transparent;border-left:0;border-right-color:#0E2236}
.sb-foot{padding:12px;border-top:1px solid rgba(255,255,255,.08)}
.user{display:flex;align-items:center;gap:11px;padding:8px;border-radius:14px;background:rgba(255,255,255,.06);white-space:nowrap;overflow:hidden}
.user .av{flex:0 0 36px;width:36px;height:36px}
.user small{display:block;color:rgba(255,255,255,.55);font-size:11.5px}
.collapse{margin-top:10px;width:100%;height:38px;border:0;border-radius:11px;background:transparent;color:rgba(255,255,255,.65);display:flex;align-items:center;gap:10px;padding:0 12px;cursor:pointer;white-space:nowrap;font-size:13px}
.collapse:hover{background:rgba(255,255,255,.07);color:#fff}
.collapse svg{flex:0 0 20px;width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:2;transition:transform .38s var(--ease)}
.motto{font:700 9px var(--body);letter-spacing:.24em;text-transform:uppercase;color:rgba(255,255,255,.32);text-align:center;margin-top:10px;white-space:nowrap;transition:opacity .2s}
/* collapsed (rail) */
.sb.rail{width:var(--sb-rail)}
.sb.rail .lbl,.sb.rail .user .who,.sb.rail .collapse .lbl{opacity:0;transform:translateX(-8px);pointer-events:none}
.sb.rail .badge{position:absolute;top:6px;left:34px;min-width:9px;width:9px;height:9px;padding:0;font-size:0;box-shadow:0 0 0 2px #1B3F61}
.sb.rail .sec{opacity:0}.sb.rail .sec::after{opacity:1}.sb.rail .sec{color:transparent}
.sb.rail .sec{opacity:1}
.sb.rail .newbtn{padding:0 13px}
.sb.rail .newbtn .lbl{opacity:0}
.sb.rail .sb-scroll{overflow:visible}
.sb.rail .it:hover .tip{opacity:1;transform:translate(0,-50%)}
.sb.rail .collapse svg{transform:rotate(180deg)}
.sb.rail .motto{opacity:0}
.sb.rail .user{padding:8px 8px;background:transparent}
.backdrop{position:fixed;inset:0;background:rgba(6,18,30,.45);backdrop-filter:blur(2px);z-index:39;opacity:0;pointer-events:none;transition:opacity .3s}

/* ───── main ───── */
.main{margin-left:var(--sb-w);padding:calc(var(--top-h) + 24px) 28px 60px;transition:margin-left .38s var(--ease);min-height:100vh}
body.sb-collapsed .main{margin-left:var(--sb-rail)}
.wrap{max-width:1320px;margin:0 auto}
.banner{display:flex;gap:14px;align-items:flex-start;background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--steel);border-radius:14px;padding:14px 18px;box-shadow:var(--shadow);margin-bottom:22px}
.banner h2{margin:0 0 4px;font:800 18px var(--display)}
.banner p{margin:2px 0;color:var(--muted)}
.crumbs{color:var(--muted);font-size:13px;margin-bottom:6px}
.crumbs b{color:var(--ink)}
.ph{display:flex;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:14px}
.ph h1{margin:0;font:800 26px var(--display);letter-spacing:-.01em}
.ph .meta{color:var(--muted);font-size:13px;margin-top:4px}
.chipT{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:4px 11px;font:700 12px var(--body)}
.chipT.ic1{background:var(--ocean);color:#fff}
.chipT.off{background:var(--tint);color:var(--muted)}
@media screen and (max-width:900px){
  .sb{transform:translateX(-100%);width:var(--sb-w)!important;top:0;padding-top:var(--top-h);z-index:45}
  .sb.rail .lbl,.sb.rail .user .who,.sb.rail .collapse .lbl{opacity:1;transform:none}
  body.sb-open .sb{transform:none;box-shadow:var(--shadow-lg)}
  body.sb-open .backdrop{opacity:1;pointer-events:auto}
  .main,body.sb-collapsed .main{margin-left:0;padding:calc(var(--top-h) + 18px) 14px 50px}
  .tabbar{margin:0 -14px 14px;padding:8px 14px}
  .brand em,.mocktag,.me span{display:none}
  .prev{grid-template-columns:1fr}
  .ctcw{grid-template-columns:1fr}
  .kp{grid-template-columns:1fr 1fr}.two{grid-template-columns:1fr}.pen{grid-template-columns:1fr}
  .dmeta{grid-template-columns:1fr 1fr}.gt{grid-template-columns:1fr}.sig{grid-template-columns:1fr}
  .doc{padding:20px 16px}.dh{flex-direction:column}.dref{text-align:left}
  .aline .st{width:76px}
  .ph h1{font-size:21px}
}
@media screen and (max-width:600px){.brand b,.brand i{display:none}.brand em{display:inline!important;border:0;padding:0}.top{gap:8px;padding:0 10px}.theme button{padding:6px 9px}.doc table.d{font-size:11.5px}.doc table.d th,.doc table.d td{padding:7px 6px}}
@media screen and (max-width:900px){.doc{overflow-x:auto}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
.sign{border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.1);color:#fff;padding:7px 12px;border-radius:9px;font-size:12px;font-weight:600}
.top button.sign,.top #signin{border:1px solid rgba(255,255,255,.45);background:rgba(255,255,255,.12);color:#fff;font-weight:700;cursor:pointer}
.stream-switch{display:flex;align-items:center;gap:4px;width:max-content;margin:0 0 18px;padding:4px;background:var(--panel);border:1px solid var(--line);border-radius:12px}
.stream-switch button{border:0;border-radius:8px;background:transparent;color:var(--muted);padding:7px 12px;cursor:pointer}
.stream-switch button[aria-pressed="true"]{background:var(--ocean);color:#fff}
.shell-message{padding:18px;background:var(--panel);border:1px solid var(--line);border-radius:14px}
@media(max-width:900px){.sign{padding:6px 8px}.top .me{display:flex}}
@media(max-width:600px){.top .me{display:none}.top .burger{width:36px;flex:none}.top .brand em{font-size:12px}.top .theme button{padding:5px 7px}.top .sign{font-size:11px;padding:5px 6px;white-space:nowrap}.top .sp{min-width:0}}
.approval-line{display:flex;gap:8px;overflow-x:auto;margin-top:14px}.approval-line>div{flex:1;min-width:125px;border-top:3px solid var(--steel);padding:8px 4px}.approval-line b,.approval-line small{display:block}.approval-line small{color:var(--muted)}.approval-line p{margin:6px 0;color:var(--ink);font-size:12px}