:root{
  --bg:#f6f7fb; --panel:#ffffff; --panel2:#f9fafb; --text:#172033; --muted:#667085; --line:#e6e8ee;
  --ink:#0f172a; --primary:#2563eb; --primary2:#dbeafe; --green:#087f5b; --red:#b42318; --yellow:#b54708;
  --shadow:0 10px 30px rgba(15,23,42,.08); --radius:16px;
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,"Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text)}
.auth-gate{position:fixed;inset:0;z-index:9999;display:grid;place-items:center;padding:24px;background:linear-gradient(135deg,#eef4ff 0%,#f8fafc 55%,#e8f7f1 100%)}
.auth-gate.hidden{display:none}
.auth-card{width:min(420px,100%);padding:34px;border:1px solid #d9e2ec;border-radius:18px;background:#fff;box-shadow:0 24px 70px rgba(23,43,77,.16)}
.auth-card h1{margin:16px 0 8px;font-size:25px}.auth-card p{margin:0 0 22px;color:#5d6b7a;line-height:1.6}.auth-card .field{margin-top:14px}.auth-card .btn{margin-top:18px}.auth-logo{width:48px;height:48px;font-size:18px}
#operatorSelect:disabled{opacity:1;color:inherit;background:#f7f9fb;cursor:default}
button,input,select,textarea{font:inherit}
.app-shell{display:flex;min-height:100vh;overflow:hidden}.sidebar{width:280px;background:#0b1220;color:white;display:flex;flex-direction:column;transition:.2s width;position:sticky;top:0;height:100vh;z-index:5}.sidebar.collapsed{width:78px}.brand-row{display:flex;align-items:center;gap:12px;padding:18px;border-bottom:1px solid rgba(255,255,255,.1)}.brand-mark{width:38px;height:38px;border-radius:12px;background:#3b82f6;display:grid;place-items:center;font-weight:800}.brand-text{display:flex;flex-direction:column;line-height:1.2}.brand-text span{font-size:12px;color:#aab4c8}.sidebar.collapsed .brand-text,.sidebar.collapsed .nav-text,.sidebar.collapsed .nav-badge{display:none}.icon-btn{border:0;border-radius:10px;background:rgba(255,255,255,.1);color:white;padding:8px;cursor:pointer;margin-left:auto}.nav-list{padding:12px;display:flex;flex-direction:column;gap:6px;overflow:auto}.nav-item{border:0;text-align:left;border-radius:12px;padding:12px 14px;background:transparent;color:#d9e2f4;cursor:pointer;display:flex;align-items:center;gap:10px}.nav-item:hover,.nav-item.active{background:rgba(255,255,255,.1);color:#fff}.nav-icon{width:22px;text-align:center}.nav-badge{margin-left:auto;background:#1e293b;color:#cbd5e1;border-radius:20px;padding:2px 8px;font-size:12px}.main-area{flex:1;min-width:0;display:flex;flex-direction:column;height:100vh;overflow:hidden}.topbar{background:rgba(255,255,255,.88);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line);padding:16px 22px;display:flex;justify-content:space-between;gap:18px;align-items:center;position:sticky;top:0;z-index:4}.topbar h1{margin:0;font-size:24px}.topbar p{margin:4px 0 0;color:var(--muted);font-size:13px}.top-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}.operator-box{font-size:12px;color:var(--muted);display:flex;gap:8px;align-items:center}.operator-box select{min-width:120px}.save-status{font-size:12px;color:var(--muted);white-space:nowrap}.view{padding:22px;overflow:auto;height:calc(100vh - 86px)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin-bottom:16px}.card.soft{box-shadow:none;background:var(--panel2)}.grid{display:grid;gap:16px}.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}@media(max-width:980px){.grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr}.topbar{align-items:flex-start;flex-direction:column}.sidebar{position:fixed;left:0}.main-area{margin-left:280px}.sidebar.collapsed+.main-area{margin-left:78px}}
.btn{border:0;background:var(--primary);color:white;padding:9px 13px;border-radius:11px;cursor:pointer;display:inline-flex;align-items:center;gap:6px;font-weight:600;white-space:nowrap}.btn:hover{filter:brightness(.95)}.btn.ghost{background:#eef2ff;color:#1e3a8a}.btn.muted{background:#f1f5f9;color:#334155}.btn.danger{background:#fee2e2;color:#991b1b}.btn.green{background:#dcfce7;color:#166534}.btn.small{padding:6px 9px;font-size:12px;border-radius:9px}.btn.block{width:100%;justify-content:center}.button-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.pill{display:inline-flex;align-items:center;border-radius:999px;padding:4px 10px;font-size:12px;background:#eef2ff;color:#3730a3;margin:2px}.pill.green{background:#dcfce7;color:#166534}.pill.yellow{background:#fef3c7;color:#92400e}.pill.red{background:#fee2e2;color:#991b1b}.pill.gray{background:#f1f5f9;color:#475569}.stat{display:flex;flex-direction:column;gap:4px}.stat b{font-size:28px}.stat span{color:var(--muted);font-size:13px}.muted-text{color:var(--muted);font-size:13px}.section-title{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:0 0 12px}.section-title h2,.section-title h3{margin:0}.divider{height:1px;background:var(--line);margin:16px 0}.form-row{display:grid;grid-template-columns:repeat(12,1fr);gap:10px;align-items:end}.field{display:flex;flex-direction:column;gap:6px;grid-column:span 4}.field.span-2{grid-column:span 2}.field.span-3{grid-column:span 3}.field.span-4{grid-column:span 4}.field.span-6{grid-column:span 6}.field.span-8{grid-column:span 8}.field.span-12{grid-column:span 12}.field label,label.field{font-size:12px;color:var(--muted);font-weight:600}.field input,.field select,.field textarea,select,input,textarea{border:1px solid #d0d5dd;border-radius:11px;padding:9px 11px;background:white;color:var(--text);outline:none;min-width:0}.field input:focus,.field select:focus,.field textarea:focus,input:focus,select:focus,textarea:focus{border-color:#7aa7ff;box-shadow:0 0 0 3px #dbeafe}.field textarea,textarea{min-height:100px;resize:vertical}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px;background:white}.table{width:100%;border-collapse:collapse;font-size:13px}.table th,.table td{padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}.table th{background:#f8fafc;text-align:left;color:#475569;font-weight:700;position:sticky;top:0}.table tr:hover td{background:#fafafa}.lead-card{display:grid;grid-template-columns:1.2fr .8fr .8fr auto;gap:12px;align-items:center;border:1px solid var(--line);border-radius:14px;padding:14px;background:white;margin-bottom:10px}.lead-title{font-weight:800}.lead-meta{font-size:12px;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}.tab{border:1px solid var(--line);background:white;border-radius:999px;padding:7px 12px;cursor:pointer}.tab.active{background:var(--ink);color:white;border-color:var(--ink)}.empty{border:1px dashed #cbd5e1;border-radius:14px;padding:22px;text-align:center;color:var(--muted);background:#fff}.copybox{background:#0b1220;color:#dbeafe;border-radius:14px;padding:12px;white-space:pre-wrap;max-height:220px;overflow:auto;font-size:12px}.toast{position:fixed;right:18px;bottom:18px;background:#0f172a;color:white;padding:12px 14px;border-radius:12px;box-shadow:var(--shadow);opacity:0;transform:translateY(8px);transition:.2s;z-index:20}.toast.show{opacity:1;transform:translateY(0)}.hidden{display:none!important}.collapse-box summary{cursor:pointer;font-weight:800;margin-bottom:10px}.warn{background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;border-radius:12px;padding:10px}.ok{background:#f0fdf4;border:1px solid #bbf7d0;color:#166534;border-radius:12px;padding:10px}.danger-note{background:#fef2f2;border:1px solid #fecaca;color:#991b1b;border-radius:12px;padding:10px}.kpi-row{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px}@media(max-width:1200px){.kpi-row{grid-template-columns:repeat(3,1fr)}}@media(max-width:720px){.kpi-row{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}.field,.field.span-2,.field.span-3,.field.span-4,.field.span-6,.field.span-8,.field.span-12{grid-column:span 1}.lead-card{grid-template-columns:1fr}.view{padding:14px}}
.info-board{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:12px}.info-board.compact{grid-template-columns:repeat(5,minmax(0,1fr));margin-bottom:14px}.info-board>div{background:#f8fafc;border:1px solid var(--line);border-radius:12px;padding:10px;min-height:64px}.info-board span{display:block;color:var(--muted);font-size:12px;margin-bottom:4px}.info-board b{font-size:13px;line-height:1.25;word-break:break-word}.lead-card.mini{grid-template-columns:1fr auto;padding:10px}.source-table{max-height:360px;overflow:auto}.source-table input{min-width:130px}.table input,.table textarea{width:100%}.table textarea{min-height:72px}.collapse-box.card>summary{font-size:17px;padding:2px 0 12px}.collapse-box.card[open]>summary{border-bottom:1px solid var(--line);margin-bottom:14px}@media(max-width:980px){.info-board,.info-board.compact{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:640px){.info-board,.info-board.compact{grid-template-columns:1fr}}

.btn:disabled,.tab:disabled{opacity:.45;cursor:not-allowed;filter:grayscale(.2)}
.quick-fill-box{background:#f8fafc;border:1px solid var(--line);border-radius:14px;padding:12px;margin:12px 0}.quick-fill-box textarea{min-height:150px}.sx-note{font-size:12px;color:var(--muted);line-height:1.5}
/* v2.4.2 hotfix: contact inline board and top details */
.board-detail{margin-top:12px;background:#f8fafc;border-radius:12px;padding:10px 12px}
.detail-text{max-height:260px;overflow:auto;background:#fff;border:1px solid #e5e7eb;border-radius:10px;padding:10px;line-height:1.6}
.contact-detail-row td{background:#fbfdff!important;border-top:0!important;padding-top:0!important}
.contact-inline{border:1px solid #e5e7eb;border-radius:12px;padding:10px;background:#fff}
.contact-inline summary{font-weight:800;cursor:pointer;color:#0f172a}
.selected-row{background:#eff6ff!important}
.selected-contact .contact-inline{border-color:#2563eb;box-shadow:0 0 0 1px rgba(37,99,235,.15)}
.inline-board{margin:10px 0}
/* v2.5 quote + SX-B rebuild */
.quote-part-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:12px 0}
.quote-part{border:1px solid var(--line);border-radius:14px;background:#fff;padding:12px;display:flex;flex-direction:column;gap:8px}
.quote-part h4{margin:0 0 4px;font-size:14px}.quote-part label{font-size:12px;color:var(--muted);font-weight:700;display:flex;flex-direction:column;gap:5px}.quote-part .mini{grid-template-columns:repeat(12,1fr);gap:8px}.checkline{flex-direction:row!important;align-items:center!important;color:#334155!important;font-weight:600!important}.checkline input{width:auto}.quote-table textarea{min-height:150px;min-width:280px}.quote-table td:nth-child(3){min-width:330px}.card.soft h3{margin-top:0}@media(max-width:980px){.quote-part-grid{grid-template-columns:1fr}.quote-table td:nth-child(3){min-width:240px}}
.ai-kv-board{grid-template-columns:repeat(2,minmax(0,1fr));}
.ai-kv-board>div{min-height:unset;background:#fff;}
.ai-kv-board b{font-weight:600;line-height:1.55;}
.s3-key-board>div{background:#f8fafc;border-color:#dbeafe;}
.contact-inline textarea{min-height:180px;}
.source-table th:last-child,.source-table td:last-child{min-width:80px;}
@media(max-width:980px){.ai-kv-board{grid-template-columns:1fr;}}

/* v2.8 S-board compression */
.ops-board{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:10px 0 12px}.ops-board>div{background:#f8fafc;border:1px solid #e5e7eb;border-radius:12px;padding:10px;min-height:auto}.ops-board span{display:block;color:#667085;font-size:12px;margin-bottom:4px;font-weight:700}.ops-board b{display:block;font-size:13px;line-height:1.55;word-break:break-word;white-space:normal}.s1-ops-board{grid-template-columns:repeat(2,minmax(0,1fr))}.s3-quick-board{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:6px}.s3-quick-board>div{background:#eff6ff;border-color:#bfdbfe}.contact-inline .s3-ops-board,.contact-inline .s3-background-board{grid-template-columns:1fr}.s3-ops-detail{margin-top:6px}.sources-box{margin-top:8px}.contact-list-box{margin-top:10px}.contact-list-box>summary{font-size:14px}.contact-inline .grid.cols-2{grid-template-columns:minmax(420px,1fr) minmax(420px,1fr)}.contact-inline .section-title{align-items:center}.contact-inline textarea{min-height:130px}.ai-kv-board>div{min-height:auto}.s3-key-board{grid-template-columns:1fr}.s3-key-board>div{min-height:auto}.board-detail .ops-board{margin-top:6px}@media(max-width:1300px){.contact-inline .grid.cols-2{grid-template-columns:1fr}.s3-quick-board{grid-template-columns:1fr}.ops-board,.s1-ops-board{grid-template-columns:1fr}}

/* v2.9 source warehouse + quote description refill */
.source-add-box{background:#f8fafc;border:1px solid var(--line);border-radius:14px;padding:14px;margin:14px 0}.source-add-box h3{margin-top:0}.source-category-actions{margin:8px 0 12px}.quote-desc-grid{display:grid;grid-template-columns:1fr;gap:8px;min-width:520px}.desc-line{display:grid;grid-template-columns:78px minmax(180px,1fr) minmax(220px,1.2fr);gap:8px;align-items:center}.desc-line b{font-size:12px;color:#475569}.desc-line select,.desc-line input{width:100%;padding:7px 9px;border-radius:9px}.desc-preview{white-space:pre-wrap;margin:0;background:#f8fafc;border:1px solid #e5e7eb;border-radius:10px;padding:10px;font-size:12px;line-height:1.5}.mini-collapse summary{font-size:12px;font-weight:700;color:#475569}.quote-table td:nth-child(3){min-width:620px}.quote-table textarea{min-height:100px}@media(max-width:1200px){.quote-desc-grid{min-width:360px}.desc-line{grid-template-columns:1fr}.quote-table td:nth-child(3){min-width:380px}}

/* v3.0 stable write + category manager */
.flash-row td{animation:flashRow 1.8s ease-out;background:#fff7ed!important}
@keyframes flashRow{0%{background:#ffedd5}60%{background:#fef3c7}100%{background:transparent}}
.source-category-table td:nth-child(1),.source-category-table td:nth-child(2){min-width:150px}
.source-category-table td:nth-child(3){min-width:150px}
.source-category-table td:nth-child(7){min-width:180px}


/* v3.1 company remark + purchase window + LinkedIn tracking */
.company-notes-box{margin-top:12px;background:#f8fafc;border-radius:12px;padding:10px 12px;border:1px solid var(--line)}
.company-notes-box textarea{min-height:84px}
.check-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px}
.check-grid label{display:flex;gap:6px;align-items:center;font-size:12px;color:#334155;font-weight:600}
.check-grid input{width:auto;min-width:unset}
.field-label{font-size:12px;color:var(--muted);font-weight:700;display:block;margin-bottom:6px}
.btn.tiny{padding:4px 7px;font-size:11px;border-radius:8px}
.contact-inline [data-stable-id^="linkedin-"]{margin:10px 0;background:#f8fafc;border-radius:12px;padding:8px 10px}
@media(max-width:900px){.check-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.linkedin-entry{gap:6px; align-items:center; flex-wrap:wrap; margin-top:4px;}
.linkedin-entry a{text-decoration:none;}

/* v4.2: unified navigation, stage workbench and collaboration */
.nav-icon{width:22px;height:22px;display:grid;place-items:center;flex:0 0 22px}.nav-icon svg{width:18px;height:18px}.topbar{padding:14px 22px;background:rgba(255,255,255,.9)}.account-chip{border:1px solid var(--line);background:#f8fafc;border-radius:999px;padding:4px 6px 4px 10px}.account-chip select{border:0;background:transparent;padding:5px 7px;font-weight:700}.account-dot{width:8px;height:8px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 3px #dcfce7}.company-hero{position:relative}.stage-tabs{position:sticky;top:0;z-index:3;display:flex;gap:8px;overflow-x:auto;padding:10px;margin:0 0 16px;background:rgba(246,247,251,.94);backdrop-filter:blur(10px);border:1px solid var(--line);border-radius:14px}.stage-tab{border:1px solid var(--line);background:#fff;color:#475569;border-radius:11px;padding:10px 13px;font-weight:750;cursor:pointer;white-space:nowrap}.stage-tab:hover{border-color:#93b4f5;color:#1d4ed8}.stage-tab.active{background:#172033;color:#fff;border-color:#172033;box-shadow:0 6px 16px rgba(15,23,42,.15)}.stage-check{display:inline-grid;place-items:center;margin-left:7px;width:18px;height:18px;border-radius:50%;background:#dcfce7;color:#15803d;font-size:11px}.stage-tab.active .stage-check{background:#bbf7d0;color:#166534}.workbench-stage>.card:first-child{margin-top:0}.presence-warning{display:flex;align-items:flex-start;gap:10px;margin:0 0 14px;padding:11px 13px;border:1px solid #f9c97a;border-radius:12px;background:#fff8e8;color:#854d0e;font-size:13px}.presence-warning svg{width:18px;height:18px;flex:0 0 18px}.mobile-view-note{display:none}

@media(max-width:720px){.app-shell{display:block;overflow:auto}.sidebar{position:sticky;top:0;width:100%;height:auto;z-index:8}.brand-row{padding:10px 14px}.brand-text span{display:none}.nav-list{display:flex;flex-direction:row;overflow-x:auto;padding:8px}.nav-item{flex:0 0 auto;padding:9px 11px}.nav-badge{display:none}.main-area,.sidebar.collapsed+.main-area{margin-left:0;height:auto;overflow:visible}.sidebar.collapsed{width:100%}.sidebar.collapsed .nav-text{display:inline}.topbar{position:sticky;top:58px;padding:10px 14px;align-items:flex-start;flex-direction:column}.topbar>div:first-child p{display:none}.topbar h1{font-size:20px}.top-actions{justify-content:flex-start}.account-chip>span:not(.account-dot),#logoutButton{display:none}.view{height:auto;min-height:60vh;padding:12px}.mobile-view-note{display:block;position:fixed;left:12px;right:12px;bottom:12px;z-index:12;padding:9px 12px;border-radius:10px;background:#172033;color:#fff;text-align:center;font-size:12px;box-shadow:var(--shadow)}.stage-tabs{top:145px;margin-bottom:12px}.section-title{align-items:flex-start;flex-direction:column}.company-hero .button-row{width:100%;overflow-x:auto;flex-wrap:nowrap}.card{padding:14px;border-radius:14px}.table{min-width:720px}}