:root{
  --bg:#f3f5f8; --card:#fff; --ink:#1d2533; --muted:#6b7587; --line:#e2e6ee;
  --pri:#1f4e8c; --pri-d:#163a69; --acc:#c2410c; --ok:#15803d; --warn:#b45309; --err:#b91c1c;
  --low:#fff3b0; --radius:10px;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font:14px/1.5 -apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--pri);text-decoration:none} a:hover{text-decoration:underline}
h1{font-size:22px;margin:0} h2{font-size:16px;margin:0 0 12px;display:flex;align-items:center;gap:8px;flex-wrap:wrap} h2 .small{margin-left:auto;font-weight:400}
h3{font-size:15px;margin:0 0 10px}
.muted{color:var(--muted)} .small{font-size:12.5px} .nowrap{white-space:nowrap} .r{text-align:right} .c{text-align:center}
.ok-txt{color:var(--ok)}

/* Top bar */
.topbar{background:var(--pri-d);color:#fff;display:flex;align-items:center;gap:18px;padding:0 20px;min-height:54px;position:sticky;top:0;z-index:20}
.brand{color:#fff;font-weight:700;font-size:16px;display:flex;align-items:center;gap:8px;white-space:nowrap}
.brand .dot{width:10px;height:10px;border-radius:50%;background:#f59e0b}
.brand:hover{text-decoration:none}
.nav{display:flex;gap:2px;flex:1;flex-wrap:wrap}
.nav a{color:#cdd8ea;padding:16px 11px;border-bottom:3px solid transparent}
.nav a:hover{color:#fff;text-decoration:none}
.nav a.on{color:#fff;border-bottom-color:#f59e0b}
.me{display:flex;gap:12px;white-space:nowrap} .me a{color:#fff} .me .muted{color:#9fb0cc}
.menu-btn{display:none;background:none;border:0;color:#fff;font-size:22px;margin-left:auto;cursor:pointer}

.wrap{max-width:1280px;margin:0 auto;padding:22px 20px 90px}
.page-title{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.page-title .actions{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}
.code{font-family:ui-monospace,Consolas,monospace;background:#e7eefb;color:var(--pri-d);padding:2px 8px;border-radius:6px;font-size:.85em}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:16px}
.card.narrow{max-width:420px;margin:0 auto}
.center-page{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:16px}
.center-page .card{width:100%}

.flash{padding:10px 14px;border-radius:8px;margin-bottom:12px;border:1px solid}
.flash.ok{background:#ecfdf3;border-color:#a7e3bf;color:#14532d}
.flash.err{background:#fef2f2;border-color:#f5b5b5;color:#7f1d1d}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:#fff;color:var(--ink);padding:8px 14px;border-radius:8px;cursor:pointer;font:inherit;font-weight:500;white-space:nowrap}
.btn:hover{background:#f6f8fb;text-decoration:none}
.btn.primary{background:var(--pri);border-color:var(--pri);color:#fff} .btn.primary:hover{background:var(--pri-d)}
.btn.accent{background:var(--acc);border-color:var(--acc);color:#fff} .btn.accent:hover{filter:brightness(.93)}
.btn.danger{color:var(--err)} .btn.danger:hover{background:#fef2f2}
.btn.ghost{border-color:transparent;background:transparent}
.btn.sm{padding:4px 10px;font-size:12.5px}
.btn-x{border:0;background:none;color:var(--err);font-size:18px;cursor:pointer;line-height:1;padding:2px 6px}
form.inline{display:inline}

/* Forms */
.form label{display:flex;flex-direction:column;gap:4px;font-weight:500;font-size:13px;margin-bottom:10px;color:#374151}
input,select,textarea{font:inherit;color:inherit;border:1px solid #cfd6e2;border-radius:7px;padding:7px 10px;background:#fff;width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid #bcd3f5;border-color:var(--pri)}
input[type=checkbox]{width:auto} input[type=file]{padding:5px} input[type=color]{height:38px;padding:2px}
.form label.chk,.chk{flex-direction:row;align-items:center;gap:6px;font-weight:400;cursor:pointer}
.inline-chk{display:inline-flex;margin:0 0 0 14px}
.num{text-align:right}
.grid2,.grid3,.grid4{display:grid;gap:0 16px}
.grid2{grid-template-columns:repeat(2,1fr)} .grid3{grid-template-columns:repeat(3,1fr)} .grid4{grid-template-columns:repeat(4,1fr)}
.span2{grid-column:span 2}
.grid-side{display:grid;grid-template-columns:340px 1fr;gap:16px;align-items:start}
.row-btns{display:flex;gap:8px}
.sticky-actions{position:sticky;bottom:0;background:rgba(243,245,248,.95);backdrop-filter:blur(4px);padding:12px 0;display:flex;gap:8px;z-index:5;border-top:1px solid var(--line)}
.search,.filters{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.search{margin-left:auto} .search input{width:240px}
.filters input[name=kw]{flex:1;min-width:200px} .filters label{display:flex;align-items:center;gap:6px;white-space:nowrap} .filters input[type=date]{width:auto}
.filters select{width:auto}

/* Tables */
.tbl-wrap{overflow-x:auto}
.tbl{width:100%;border-collapse:collapse}
.tbl th{background:#f6f8fb;text-align:left;font-weight:600;font-size:12.5px;color:#4b5563;padding:8px;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl td{padding:7px 8px;border-bottom:1px solid #eef1f6;vertical-align:middle}
.tbl tr:hover td{background:#fafbfd}
.tbl td.act{text-align:right}
.tbl.items td{padding:4px}
.tbl.items input{padding:6px 8px}
.tbl.items .it-name{min-width:260px}
.tbl.items .stt{color:var(--muted);display:inline-block;width:24px;text-align:center}
.tbl .sum td{border:0;padding:4px 8px;font-weight:600}
.tbl .sum.total td{font-size:16px;color:var(--pri-d)}
.tbl .words{font-style:italic;color:var(--muted);text-align:right;border:0}
.tbl tfoot td{background:#fff}
.drag{cursor:grab;color:#aab3c2;padding:0 4px;user-select:none}
tr.dragging{opacity:.4}
.pager{display:flex;gap:4px;margin-top:12px;flex-wrap:wrap} .pager a{padding:4px 10px;border:1px solid var(--line);border-radius:6px} .pager a.on{background:var(--pri);color:#fff}

.badge{display:inline-block;padding:1px 8px;border-radius:20px;font-size:11.5px;background:#eef1f6;color:#4b5563;font-weight:600;white-space:nowrap}
.badge.ok,.badge.st-won{background:#dcfce7;color:#166534} .badge.warn,.badge.st-sent{background:#fef3c7;color:#92400e} .badge.st-lost{background:#fee2e2;color:#991b1b}

/* Dashboard */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:16px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.stat span{display:block;color:var(--muted);font-size:12.5px} .stat b{font-size:22px;color:var(--pri-d)}
.steps{margin:0;padding-left:20px} .steps li{margin-bottom:6px}

/* RFQ */
.wizard{display:flex;list-style:none;padding:0;margin:0 0 16px;gap:4px;flex-wrap:wrap}
.wizard li{flex:1;min-width:140px;background:#e6ebf3;color:var(--muted);padding:8px 12px;font-size:12.5px;font-weight:600;border-radius:6px}
.wizard li.on{background:var(--pri);color:#fff}
.sup-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:10px}
.sup-card{display:flex;gap:10px;align-items:flex-start;border:1.5px solid var(--line);border-radius:9px;padding:10px 12px;cursor:pointer;font-weight:400 !important;flex-direction:row !important;margin:0 !important}
.sup-card.on{border-color:var(--pri);background:#eef4fd}
.sup-card input{margin-top:4px}
.sup-card small{display:block;color:var(--muted)}
.quick-add{margin-top:14px} .quick-add summary{cursor:pointer;color:var(--pri);font-weight:600} .quick-add .grid2{margin-top:8px}

.tabs{display:flex;gap:4px;border-bottom:2px solid var(--line);margin-bottom:16px;flex-wrap:wrap}
.tabs a{padding:10px 16px;color:var(--muted);font-weight:600;border-bottom:3px solid transparent;margin-bottom:-2px}
.tabs a.on{color:var(--pri-d);border-bottom-color:var(--acc)} .tabs a:hover{text-decoration:none;color:var(--ink)}
.tab-pane{display:none} .tab-pane.on{display:block}
.sub-tabs{display:flex;gap:6px;margin-bottom:10px;flex-wrap:wrap}
.sub-tabs button{border:1px solid var(--line);background:#fff;padding:7px 14px;border-radius:20px;cursor:pointer;font:inherit}
.sub-tabs button.on{background:var(--pri);color:#fff;border-color:var(--pri)}
.sub-pane{display:none} .sub-pane.on{display:block}
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.toolbar>span:first-child{flex:1;min-width:220px}
.doc-actions{display:flex;gap:6px;margin-bottom:8px}

.price-grid th.sup-h{text-align:center;background:#e7eefb;color:var(--pri-d);border-left:2px solid #fff}
.price-grid input.low{background:var(--low);border-color:#e3c74f}
.price-grid tfoot td{font-weight:600}
.price-grid .best{background:#dcfce7;color:#166534}
.price-grid tr.total td{font-size:15px}
.sup-docs{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}
.attach{margin:-4px 0 10px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.self-box{background:#f0fdf4;border:1px dashed #86efac;border-radius:8px;padding:8px 10px}
.self-make{display:flex;gap:12px;align-items:center;flex-wrap:wrap;background:#fff7ed;border-color:#fed7aa}
.attach-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.attach-card{border:1px solid var(--line);border-radius:9px;padding:12px;display:flex;flex-direction:column;gap:8px}
.attach-card img{max-width:100%;max-height:220px;object-fit:contain;border:1px solid var(--line);border-radius:6px}
.na{color:#b45309}

.img-field{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}
.img-prev{border:1px dashed #cfd6e2;border-radius:8px;min-height:120px;display:flex;align-items:center;justify-content:center;padding:10px;background:repeating-conic-gradient(#f3f4f6 0 25%,#fff 0 50%) 0 0/16px 16px}
.img-prev img{max-height:180px;max-width:100%}

#busy{position:fixed;inset:0;background:rgba(15,23,42,.45);color:#fff;font-size:16px;font-weight:600;display:none;align-items:center;justify-content:center;z-index:100}

@media (max-width:980px){
  .grid-side,.grid3,.grid4,.stats{grid-template-columns:1fr 1fr}
  .grid-side{grid-template-columns:1fr}
  .menu-btn{display:block}
  .nav,.me{display:none;width:100%}
  body.nav-open .nav,body.nav-open .me{display:flex;flex-direction:column}
  .topbar{flex-wrap:wrap}
  .nav a{padding:10px 4px;border:0}
  .me{padding-bottom:12px}
}
@media (max-width:640px){
  .wrap{padding:16px 16px 90px}
  .grid2,.grid3,.grid4,.stats{grid-template-columns:1fr}
  .span2{grid-column:auto}
  .search{margin-left:0;width:100%} .search input{flex:1;width:auto}
}