            /* ── COLLATERAL PAGE: Estate Registry — Navy var(--brand-navy) · Gold var(--brand-gold) ── */
            /* โปร่งใสทับ mesh พื้นหลังของธีม (เหมือน dashboard) — ket-theme zeroes
               .content padding ผ่าน :has(#pg-collateral.active) อยู่แล้ว */
            #pg-collateral { padding: 0; background: transparent; min-height: 100vh; }

            /* Search bar (ใช้ใน masthead v3) */
            #pg-collateral .col-search-box {
              display: flex; align-items: center;
              background: rgba(255,255,255,.08);
              border: 1.5px solid rgba(200,169,106,.4);
              border-radius: 8px; overflow: hidden;
              /* ponytail: ตัด backdrop-filter:blur(4px) — hero ทึบ ไม่เห็นผล แต่สร้าง layer + jank คีย์บอร์ด iOS */
              transition: border-color .2s;
            }
            #pg-collateral .col-search-box:focus-within {
              border-color: var(--brand-gold); background: rgba(255,255,255,.12);
            }
            #pg-collateral .col-search-box input {
              flex: 1; padding: 13px 16px; font-size: 14px;
              caret-color: var(--brand-gold); outline: none;
              min-width: 0; font-family: inherit;
              /* !important to beat ket-theme.css global input[type=search] glass rule
                 that otherwise forced this navy-hero field to a white box */
              border: none !important; background: transparent !important;
              -webkit-backdrop-filter: none !important; backdrop-filter: none !important;
              border-radius: 0 !important; color: #fff !important;
            }
            #pg-collateral .col-search-box input:focus {
              background: transparent !important; box-shadow: none !important; animation: none !important;
            }
            #pg-collateral .col-search-box input::placeholder { color: rgba(255,255,255,.48); }
            #pg-collateral .col-search-box .col-clear-btn {
              border: none; background: transparent; color: rgba(255,255,255,.35);
              font-size: 20px; padding: 0 10px; cursor: pointer; transition: color .15s;
            }
            #pg-collateral .col-search-box .col-clear-btn:hover { color: rgba(255,255,255,.7); }
            #pg-collateral .col-search-box .col-search-btn {
              border: none; background: var(--brand-gold); color: #0a1e3d;
              padding: 0 24px; min-height: 48px;
              font-weight: 700; font-size: 14px; cursor: pointer;
              display: flex; align-items: center; gap: 7px;
              transition: background .15s; letter-spacing: .02em;
            }
            #pg-collateral .col-search-box .col-search-btn:hover { background: #d9ba7a; }
            /* Filter chips (ใช้ใน col-seg ของ control deck) */
            #pg-collateral .col-chip {
              padding: 6px 16px; border: 1.5px solid #c8d0dc; background: #fff;
              border-radius: 20px; font-size: 13px; color: #3b4a6b;
              cursor: pointer; transition: all .15s; font-family: inherit;
              display: inline-flex; align-items: center; gap: 5px; font-weight: 500;
            }
            #pg-collateral .col-chip i { display: none; }
            #pg-collateral .col-chip:hover { border-color: #c9b489; color: var(--brand-navy); background: #faf7f0; }
            #pg-collateral .col-chip.on { background: var(--brand-navy); color: #e3c785; border-color: var(--brand-navy); box-shadow: 0 2px 10px rgba(15,42,82,.22); }
            #pg-collateral .col-chip.on .col-chip-count { color: var(--brand-gold); }
            #pg-collateral .col-chip-count { font-size: 11px; opacity: .75; margin-left: 2px; }
            #pg-collateral .col-map-btn {
              display: inline-flex; align-items: center; gap: 6px;
              padding: 7px 15px; background: transparent; color: var(--brand-navy);
              border: 1.5px solid var(--brand-gold); border-radius: 7px; font-size: 13px; font-weight: 700;
              cursor: pointer; transition: all .18s; font-family: inherit; white-space: nowrap;
              text-decoration: none;
            }
            #pg-collateral .col-map-btn:hover { background: var(--brand-navy); color: var(--brand-gold); border-color: var(--brand-navy); }
            #pg-collateral .col-auction-btn {
              display: inline-flex; align-items: center; gap: 6px;
              padding: 7px 14px; background: #fff; color: #374151;
              border: 1px solid #d1d5db; border-radius: 6px; font-size: 13px; font-weight: 600;
              cursor: pointer; transition: all .15s; font-family: inherit; white-space: nowrap;
            }
            #pg-collateral .col-auction-btn:hover { background: #f3f4f6; border-color: #9ca3af; }
            #pg-collateral .col-auction-btn.on { background: var(--brand-navy); color: #fff; border-color: var(--brand-navy); }
            /* ── LED Auction Modal — navy/gold ── */
            #ledModal {
              display: none; position: fixed; inset: 0; z-index: 9000;
              background: rgba(5,15,35,.55); backdrop-filter: blur(3px);
              align-items: center; justify-content: center; padding: 16px;
            }
            #ledModal.open { display: flex; }
            #ledModalInner {
              background: #fff; border-radius: 14px; width: 100%; max-width: 900px;
              max-height: 88vh; display: flex; flex-direction: column; overflow: hidden;
              box-shadow: 0 28px 80px rgba(5,15,35,.35);
              animation: modalIn .28s cubic-bezier(.2,.8,.3,1) both;
            }
            #ledModalHead {
              padding: 15px 20px; position: relative;
              background: linear-gradient(120deg, #081a35, var(--brand-navy));
              display: flex; align-items: center; gap: 10px; flex-shrink: 0;
            }
            #ledModalHead::after {
              content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
              background: linear-gradient(90deg, transparent, var(--brand-gold) 30%, #efd9a3 52%, var(--brand-gold) 72%, transparent);
              /* PERF 2026-06-06: ตัด animation infinite — repaint ทุกเฟรม แย่งเฟรมกับแผนที่ */
            }
            #ledModalHead > i { color: var(--brand-gold); font-size: 15px; }
            .led-modal-title { font-family: 'Cinzel','Sarabun',serif; font-size: 15px; font-weight: 700; color: #fff; flex: 1; letter-spacing: .02em; }
            .led-modal-subtitle { font-family: 'Sarabun',sans-serif; font-size: 12px; color: rgba(255,255,255,.55); font-weight: 400; margin-left: 8px; }
            .led-modal-close {
              background: rgba(255,255,255,.15); border: none; cursor: pointer; color: #fff;
              width: 30px; height: 30px; border-radius: 50%; font-size: 18px; line-height: 1;
              display: flex; align-items: center; justify-content: center; transition: background .15s; padding: 0;
            }
            .led-modal-close:hover { background: rgba(255,255,255,.28); }
            #ledModalBody { overflow: auto; flex: 1; }
            .led-table { min-width: 640px; }  /* ponytail: กันคอลัมน์อัดกันบนจอแคบ — เกินกว่านี้เลื่อนแนวนอนแทนการบีบ */
            .led-date-hd {
              padding: 8px 20px; background: linear-gradient(135deg, #faf7f0, #f4ecda);
              border-bottom: 1px solid #e7d6b5;
              font-size: 11px; font-weight: 700; color: #8a6d2e; letter-spacing: .08em; text-transform: uppercase;
            }
            .led-table { width: 100%; border-collapse: collapse; font-size: 13px; }
            .led-table th {
              padding: 9px 14px; background: linear-gradient(180deg, #f3f5f9, #eef1f6);
              font-size: 10.5px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase;
              color: var(--brand-navy); text-align: left; border-bottom: 1.5px solid #d8dde6; white-space: nowrap;
            }
            .led-table td { padding: 10px 14px; border-bottom: 1px solid #eef0f4; vertical-align: top; }
            .led-table tr:last-child td { border-bottom: none; }
            .led-table tr:hover td { background: #faf7f0; }
            .led-row--match td { background: #fdecec !important; }
            .led-lot { font-weight: 700; color: var(--brand-navy); }
            .led-case { font-size: 11px; color: #8896ad; margin-top: 1px; }
            .led-price { font-weight: 700; color: var(--brand-navy); font-variant-numeric: tabular-nums; }
            .led-deposit { font-size: 11px; color: #8896ad; margin-top: 1px; }
            .led-loc { font-size: 12px; color: #5b6b85; }
            .led-match-pill {
              display: inline-block; padding: 2px 9px; border-radius: 10px;
              background: #c92a2a; color: #fff; font-size: 11px; font-weight: 700; white-space: nowrap;
            }
            .led-match-customer { margin-top: 5px; font-size: 12px; color: #3c4a64; line-height: 1.5; }
            .led-match-link { color: #c92a2a; font-weight: 600; text-decoration: none; }
            .led-match-link:hover { text-decoration: underline; }
            #ledModalFoot {
              padding: 10px 20px; border-top: 1px solid #eef0f4; background: #fafbfd;
              font-size: 11px; color: #8896ad; flex-shrink: 0;
              display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap;
            }
            #ledModalFoot a { color: #a07d3a; }
            #pg-collateral .col-add-btn {
              display: inline-flex; align-items: center; gap: 7px;
              padding: 7px 18px; background: var(--brand-navy); color: #fff;
              border: none; border-radius: 7px; font-size: 13px; font-weight: 600;
              cursor: pointer; transition: background .15s; font-family: inherit;
            }
            #pg-collateral .col-add-btn:hover { background: #1a3d6e; }

            /* Result list */
            #pg-collateral .col-list { padding: 22px clamp(16px, 3.6vw, 44px) 60px; }

            /* ── Card grid + animation ── */
            @keyframes colCardIn {
              from { opacity: 0; transform: translateY(18px); }
              to   { opacity: 1; transform: translateY(0); }
            }
            #pg-collateral #colList {
              display: grid;
              grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
              gap: 20px;
            }

            /* ── NEW: premium property-listing card banner ── */
            #pg-collateral .col-card-banner {
              position: relative; height: 116px; overflow: hidden;
              background: linear-gradient(135deg, #0a1f3f 0%, var(--brand-navy) 55%, #173863 100%);
              display: flex; align-items: flex-end;
            }
            /* PERF 2026-06-08: เดิม ::before วาด SVG texture + radial gradient ซ้อนทุกการ์ด
             * (paint หนักต่อใบ × 48 ใบที่เห็น) → เหลือ radial gradient ตัวเดียว (cheap)
             * — ตาเปล่าแทบแยกไม่ออก แต่ตัด decode+tile SVG ต่อการ์ดทิ้ง */
            #pg-collateral .col-card-banner::before {
              content: ''; position: absolute; inset: 0;
              background: radial-gradient(circle at 78% 30%, rgba(200,169,106,.14) 0%, transparent 58%);
            }
            /* big faint type watermark icon */
            #pg-collateral .col-banner-watermark {
              position: absolute; right: -8px; top: -14px;
              font-size: 96px; color: rgba(200,169,106,.13);
              transform: rotate(-8deg); pointer-events: none; line-height: 1;
            }
            /* centered gold location pin */
            #pg-collateral .col-banner-pin {
              position: absolute; left: 24px; top: 26px;
              width: 38px; height: 38px; border-radius: 50%;
              background: linear-gradient(135deg, #e3c785, var(--brand-gold) 55%, #a07d3a);
              box-shadow: 0 4px 14px rgba(8,20,42,.4), 0 0 0 4px rgba(200,169,106,.18);
              display: flex; align-items: center; justify-content: center;
              color: #0a1f3f; font-size: 16px;
            }
            #pg-collateral .col-banner-pin.nogps {
              background: rgba(255,255,255,.12); color: rgba(255,255,255,.5);
              box-shadow: 0 0 0 1px rgba(255,255,255,.18) inset;
            }
            /* type pill floats top-right of banner */
            #pg-collateral .col-card-banner .col-type-pill {
              position: absolute; top: 14px; right: 14px;
              box-shadow: 0 2px 8px rgba(8,20,42,.3);
            }
            /* deed number sits over the banner bottom */
            #pg-collateral .col-banner-deed {
              position: relative; z-index: 1; padding: 0 18px 12px; width: 100%;
            }
            #pg-collateral .col-banner-deed .lbl {
              font-size: 10px; letter-spacing: .14em; text-transform: uppercase;
              color: rgba(200,169,106,.85); font-weight: 700;
            }
            #pg-collateral .col-banner-deed .num {
              font-family: 'Cinzel','Sarabun',serif; font-size: 22px; font-weight: 700;
              color: #fff; line-height: 1.15; letter-spacing: .02em; margin-top: 1px;
              text-shadow: 0 2px 10px rgba(0,0,0,.3);
            }
            /* main body of listing card */
            #pg-collateral .col-card-main { padding: 13px 18px 4px; display: flex; flex-direction: column; gap: 7px; }
            /* valuation highlight strip */
            #pg-collateral .col-valuation {
              margin: 6px 18px 0; padding: 10px 14px;
              background: linear-gradient(135deg, #faf7f0, #f4ecda);
              border: 1px solid #e7d6b5; border-radius: 9px;
              display: flex; align-items: center; justify-content: space-between;
            }
            #pg-collateral .col-valuation .vl { font-size: 11px; color: #8a6d2e; font-weight: 700; letter-spacing: .03em; }
            #pg-collateral .col-valuation .va { font-family: 'Cinzel','Sarabun',serif; font-size: 17px; font-weight: 700; color: var(--brand-navy); }
            #pg-collateral .col-valuation.empty { background: #f6f8fb; border-color: #e7ecf2; }
            #pg-collateral .col-valuation.empty .vl,
            #pg-collateral .col-valuation.empty .va { color: #93a1b8; font-weight: 600; }
            #pg-collateral #colList.col-noanim .col-card { animation: none !important; }
            #pg-collateral .col-card {
              /* PERF 2026-06-05: เดิม backdrop-filter blur(14px) × 856 ใบ = GPU อ่วมตอน scroll
               * → พื้นทึบ (ตาเปล่าแยกไม่ออก การ์ดทึบ 84% อยู่แล้ว) + content-visibility
               * ให้ browser ข้าม layout/paint การ์ดนอกจอทั้งหมด = scroll ลื่นระดับ 60fps */
              background: #ffffff; border: 1px solid #e6eaf2; border-radius: 14px;
              cursor: pointer; overflow: hidden; position: relative;
              box-shadow: 0 1px 4px rgba(15,42,82,.06), 0 4px 14px rgba(15,42,82,.05);
              transition: box-shadow .2s, transform .2s ease, border-color .2s;
              animation: colCardIn .38s ease both;
              animation-delay: var(--col-delay, 0s);
              content-visibility: auto;
              contain-intrinsic-size: auto 380px;  /* PERF: ใกล้ความสูงจริง (~370-430px) ลด scrollbar เด้งรอบแรก */
              contain: content; /* PERF 2026-06-08: isolate layout/paint ต่อการ์ด */
            }
            #pg-collateral .col-card:focus-visible {
              outline: none; border-color: var(--brand-gold);
              box-shadow: 0 0 0 3px rgba(200,169,106,.4), 0 8px 30px rgba(15,42,82,.12);
            }
            /* gold accent stripe — reveals on hover */
            #pg-collateral .col-card::before {
              content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
              background: linear-gradient(90deg, var(--brand-gold), #efd9a3 50%, #a07d3a);
              transform: scaleX(0); transform-origin: left; transition: transform .3s ease;
              z-index: 2;
            }
            /* PERF: hover ใช้ shadow ชั้นเดียว (เดิมสองชั้นรัศมี 38px = repaint blur กว้างทุกเฟรม) */
            #pg-collateral .col-card:hover {
              box-shadow: 0 8px 22px rgba(15,42,82,.13);
              transform: translateY(-3px); border-color: #c9b489;
            }
            #pg-collateral .col-card:hover::before { transform: scaleX(1); }
            #pg-collateral .col-card-sub { font-size: 11.5px; color: #8896ad; margin-top: 3px; }
            #pg-collateral .col-type-pill {
              flex-shrink: 0; padding: 3px 10px; border-radius: 20px;
              font-size: 11px; font-weight: 700; white-space: nowrap; letter-spacing: .02em;
            }
            #pg-collateral .col-type-pill.land    { background: #e9eef8; color: var(--brand-navy); border: 1px solid #ccd8eb; }
            #pg-collateral .col-type-pill.vehicle { background: #e7f4ed; color: #0a6b4f; border: 1px solid #c2e3d2; }
            #pg-collateral .col-type-pill.other   { background: #f6efe1; color: #7d5718; border: 1px solid #e7d6b5; }
            #pg-collateral .col-card-body {
              padding: 11px 18px; display: flex; flex-direction: column; gap: 5px;
            }
            #pg-collateral .col-info-row {
              display: flex; align-items: flex-start; gap: 8px; font-size: 13px; color: #37496a;
            }
            #pg-collateral .col-info-row i { color: #96a5bc; font-size: 11px; margin-top: 2px; flex-shrink: 0; width: 13px; text-align: center; }
            #pg-collateral .col-info-val { line-height: 1.45; }
            #pg-collateral .col-card-foot {
              display: flex; gap: 7px; align-items: center;
              padding: 10px 18px 14px; flex-wrap: wrap;
              border-top: 1px solid #f3f5fa;
            }
            #pg-collateral .col-action-btn {
              display: inline-flex; align-items: center; gap: 5px;
              padding: 5px 12px; border: 1px solid #c8d0dc; background: #f5f7fa;
              border-radius: 6px; font-size: 12px; font-weight: 500; color: #3b4a6b;
              cursor: pointer; transition: all .15s; font-family: inherit; white-space: nowrap;
            }
            #pg-collateral .col-action-btn:hover { background: #e8edf5; border-color: #96a5bc; }
            #pg-collateral .col-action-btn.col-btn-primary {
              background: var(--brand-navy); color: var(--brand-gold); border-color: var(--brand-navy);
            }
            #pg-collateral .col-action-btn.col-btn-primary:hover { background: #1a3d6e; }

            /* ── Empty & skeleton ── */
            #pg-collateral .col-state {
              text-align: center; padding: 60px 20px; color: #8896ad;
            }
            #pg-collateral .col-state i { font-size: 40px; color: #c8d0dc; display: block; margin-bottom: 12px; }
            #pg-collateral .col-state h3 { font-size: 16px; color: #3b4a6b; margin: 0 0 6px; }
            #pg-collateral .col-state p { font-size: 13px; margin: 0 0 16px; }
            @keyframes shimmer { to { background-position: -200% 0; } }
            #pg-collateral .col-skeleton {
              height: 13px; border-radius: 6px; margin-bottom: 8px;
              background: linear-gradient(90deg, #edf0f5 25%, #f8f9fb 50%, #edf0f5 75%);
              background-size: 200% 100%; animation: shimmer 1.4s infinite;
            }

            /* ── Detail drawer ── */
            #colDrawerBackdrop {
              position: fixed; inset: 0; z-index: 500;
              background: rgba(5,15,35,.45); backdrop-filter: blur(2px);
              opacity: 0; pointer-events: none; transition: opacity .28s;
            }
            #colDrawerBackdrop.on { opacity: 1; pointer-events: auto; }
            #colDrawer {
              position: fixed; right: 0; top: 0; bottom: 0;
              width: min(480px, 100vw); background: #fff;
              z-index: 501; display: flex; flex-direction: column;
              box-shadow: -10px 0 50px rgba(5,15,35,.22);
              transform: translateX(105%);
              transition: transform .32s cubic-bezier(.2,.8,.3,1);
            }
            #colDrawer.on { transform: translateX(0); }
            .col-drawer-head {
              display: flex; align-items: center; justify-content: space-between;
              padding: 18px 22px; flex-shrink: 0; position: relative;
              background: var(--modal-head);
            }
            .col-drawer-head::after {
              content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
              background: linear-gradient(90deg, transparent, var(--brand-gold) 30%, #efd9a3 52%, var(--brand-gold) 72%, transparent);
              /* PERF 2026-06-06: ตัด animation infinite — repaint ทุกเฟรม แย่งเฟรมกับแผนที่ */
            }
            .col-drawer-head h3 { margin: 0; font-family: 'Cinzel','Sarabun',serif; font-size: 15px; font-weight: 700; color: #fff; letter-spacing: .02em; }
            .col-drawer-close {
              border: none; background: rgba(255,255,255,.15); color: #fff;
              width: 30px; height: 30px; border-radius: 50%; font-size: 18px;
              cursor: pointer; display: flex; align-items: center; justify-content: center;
              transition: background .15s; line-height: 1; padding: 0;
            }
            .col-drawer-close:hover { background: rgba(255,255,255,.28); }
            .col-drawer-body { flex: 1; overflow-y: auto; padding: 20px 22px; }
            .col-drawer-foot {
              padding: 14px 20px; border-top: 1px solid #edf1f7;
              display: flex; gap: 8px; flex-wrap: wrap; background: #f8f9fc; flex-shrink: 0;
            }
            .col-drawer-foot button {
              display: inline-flex; align-items: center; gap: 6px;
              padding: 8px 16px; border: none; border-radius: 7px;
              font-size: 13px; font-weight: 600; cursor: pointer; font-family: inherit;
              transition: all .15s;
            }
            .col-btn-landsmaps { background: var(--brand-navy); color: var(--brand-gold); }
            .col-btn-landsmaps:hover { background: #1a3d6e; }
            .col-btn-edit { background: #f0f3f8 !important; color: #3b4a6b !important; border: 1px solid #c8d0dc !important; }
            .col-btn-edit:hover { background: #e8edf5 !important; }
            .col-btn-assess { background: linear-gradient(135deg, #a07d3a, var(--brand-gold) 60%, #e3c785) !important; color: #0a1e3d !important; border: none !important; font-weight: 700 !important; }
            .col-btn-assess:hover { filter: brightness(1.07); }
            .col-drawer-foot button:not(.col-btn-landsmaps):not(.col-btn-edit):not(.col-btn-assess) { background: #f0f3f8; color: #374a65; }
            .col-detail-section { margin-bottom: 18px; }
            .col-detail-section h4 {
              font-size: 10px; text-transform: uppercase; letter-spacing: .09em;
              color: #96a5bc; font-weight: 700; margin: 0 0 10px;
              padding-bottom: 6px; border-bottom: 1px solid #edf1f7;
            }
            .col-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
            .col-detail-item { display: flex; flex-direction: column; gap: 2px; }
            .col-detail-item label { font-size: 11px; color: #96a5bc; font-weight: 600; }
            .col-detail-value { font-size: 13px; color: #1f2d44; font-weight: 500; word-break: break-word; }
            .col-detail-empty { color: #c8d0dc; font-weight: 400; }
            .col-photo-frame { max-width: 100%; border-radius: 8px; border: 1px solid #dde3ed; margin-top: 8px; display: block; }
            /* ── Geo (พิกัด/รูปแปลง) ── */
            .col-btn-geo { background: #eaf1fb !important; color: var(--brand-navy) !important; border: 1px solid #c5d6ef !important; }
            .col-btn-geo:hover { background: #dce8f8 !important; }
            .col-btn-geo-ok { background: linear-gradient(135deg, #2e7d32, #43a047) !important; color: #fff !important; border: none !important; font-weight: 700 !important; }
            .col-btn-geo-ok:hover { filter: brightness(1.07); }
            .col-geo-badge { display: inline-block; padding: 3px 10px; border-radius: 999px; color: #fff; font-size: 12px; font-weight: 700; }
            .col-geo-src { font-size: 12px; color: #96a5bc; }
            .col-mini-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 8px; font-size: 12px; color: var(--brand-navy); text-decoration: none; font-weight: 600; }
            .col-mini-link:hover { text-decoration: underline; }
            /* ── Drawer redesign: hero ดาวเทียม + quick stats ── */
            .col-hero { position: relative; margin: -20px -22px 16px; background: var(--brand-navy); aspect-ratio: 16/9; overflow: hidden; }
            .col-hero-img { width: 100%; height: 100%; object-fit: cover; display: block; }
            .col-hero-badge { position: absolute; top: 10px; right: 10px; z-index: 2; }
            .col-hero-cap {
              position: absolute; left: 0; right: 0; bottom: 0; z-index: 1; padding: 26px 16px 12px; color: #fff;
              background: linear-gradient(to top, rgba(5,15,35,.88), rgba(5,15,35,.45) 55%, transparent);
            }
            .col-hero-deed { font-size: 15px; font-weight: 700; display: flex; align-items: center; gap: 8px; }
            .col-hero-deed i { color: var(--brand-gold); }
            .col-hero-sub { font-size: 12px; color: #d7deea; margin-top: 3px; }
            .col-hero-empty {
              display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
              color: #9fb0cc; text-align: center; padding: 14px;
              background: repeating-linear-gradient(45deg, var(--brand-navy), var(--brand-navy) 12px, #123059 12px, #123059 24px);
            }
            .col-hero-empty > i { font-size: 34px; color: #5e7298; }
            .col-hero-empty-t { font-size: 13px; }
            .col-hero-empty-actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
            .col-hero-meta { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin: -6px 0 14px; padding: 0 2px; }
            .col-hero-meta .col-mini-link { margin-top: 0; }
            .col-qs-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 18px; }
            .col-qs { background: #f6f8fc; border: 1px solid #e7edf6; border-radius: 10px; padding: 11px 8px; text-align: center; }
            .col-qs-ic { color: var(--brand-gold); font-size: 14px; margin-bottom: 5px; }
            .col-qs-v { font-size: 14px; font-weight: 700; color: #13294d; line-height: 1.2; word-break: break-word; }
            .col-qs-l { font-size: 10.5px; color: #8c9bb5; margin-top: 3px; font-weight: 600; }

            /* ── Form modal ── */
            #colFormModal {
              position: fixed; inset: 0; background: rgba(5,15,35,.5);
              z-index: 600; display: none; align-items: center; justify-content: center;
              backdrop-filter: blur(3px); padding: 20px;
            }
            #colFormModal.on { display: flex; }
            .col-form-card {
              background: #fff; border-radius: 14px; width: 100%; max-width: 680px;
              max-height: 90vh; display: flex; flex-direction: column;
              box-shadow: 0 24px 70px rgba(5,15,35,.3);
              animation: modalIn .28s cubic-bezier(.2,.8,.3,1) both;
            }
            @keyframes modalIn {
              from { opacity: 0; transform: scale(.95) translateY(14px); }
              to   { opacity: 1; transform: none; }
            }
            .col-form-head {
              display: flex; align-items: center; justify-content: space-between;
              padding: 17px 22px; position: relative;
              background: linear-gradient(120deg, #081a35, var(--brand-navy));
              border-radius: 14px 14px 0 0; flex-shrink: 0;
            }
            .col-form-head::after {
              content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
              background: linear-gradient(90deg, transparent, var(--brand-gold) 30%, #efd9a3 52%, var(--brand-gold) 72%, transparent);
              /* PERF 2026-06-06: ตัด animation infinite — repaint ทุกเฟรม แย่งเฟรมกับแผนที่ */
            }
            .col-form-head h3 { margin: 0; font-family: 'Cinzel','Sarabun',serif; font-size: 15px; color: #fff; font-weight: 700; letter-spacing: .02em; }
            .col-form-head > button {
              border: none; background: rgba(255,255,255,.15); color: #fff;
              width: 28px; height: 28px; border-radius: 50%; font-size: 18px;
              cursor: pointer; display: flex; align-items: center; justify-content: center;
              transition: background .15s; padding: 0;
            }
            .col-form-head > button:hover { background: rgba(255,255,255,.28); }
            .col-form-body { flex: 1; overflow-y: auto; padding: 20px 22px; }
            .col-form-section { margin-bottom: 18px; }
            .col-form-section-title {
              font-size: 10px; text-transform: uppercase; letter-spacing: .09em;
              color: #96a5bc; font-weight: 700; margin-bottom: 10px;
              padding-bottom: 6px; border-bottom: 1px solid #edf1f7;
            }
            .col-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
            .col-form-grid > div { display: flex; flex-direction: column; gap: 4px; }
            .col-form-grid label { font-size: 11.5px; color: #5a6f94; font-weight: 600; }
            .col-form-grid input, .col-form-grid select {
              width: 100%; padding: 8px 11px; border: 1.5px solid #c8d0dc;
              border-radius: 7px; font-size: 13px; font-family: inherit; outline: none;
              transition: border-color .15s; box-sizing: border-box; background: #fff;
            }
            .col-form-grid input:focus, .col-form-grid select:focus { border-color: var(--brand-gold); box-shadow: 0 0 0 3px rgba(200,169,106,.15); }
            .col-form-grid textarea {
              width: 100%; padding: 8px 11px; border: 1.5px solid #c8d0dc;
              border-radius: 7px; font-size: 13px; font-family: inherit; outline: none;
              transition: border-color .15s; box-sizing: border-box; background: #fff;
              min-height: 64px; resize: vertical;
            }
            .col-form-grid textarea:focus { border-color: var(--brand-gold); box-shadow: 0 0 0 3px rgba(200,169,106,.15); }
            .col-form-grid .col-span-2 { grid-column: 1 / -1; }
            .col-form-area-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
            .req { color: #e53e3e; }

            /* Form footer (เดิมไม่มี CSS — ปุ่มลอยไม่มีสไตล์) */
            .col-form-foot {
              display: flex; align-items: center; justify-content: flex-end; gap: 8px;
              padding: 13px 22px; border-top: 1px solid #edf1f7; background: #f8f9fc;
              border-radius: 0 0 14px 14px; flex-shrink: 0;
            }
            .col-form-foot button {
              display: inline-flex; align-items: center; gap: 6px;
              padding: 8px 18px; border: 1px solid #c8d0dc; border-radius: 7px;
              font-size: 13px; font-weight: 600; cursor: pointer; font-family: inherit;
              background: #fff; color: #3b4a6b; transition: all .15s;
            }
            .col-form-foot button:hover { background: #f0f3f8; }
            .col-form-foot .col-btn-primary {
              background: linear-gradient(135deg, var(--brand-navy), #1a3d6e); color: #e3c785;
              border-color: var(--brand-navy); font-weight: 700;
            }
            .col-form-foot .col-btn-primary:hover { background: #1a3d6e; filter: brightness(1.1); }
            .col-form-foot .col-btn-danger {
              background: #fff; color: #c92a2a; border-color: #f3c5c5; margin-right: auto;
            }
            .col-form-foot .col-btn-danger:hover { background: #fdecec; border-color: #c92a2a; }

            /* Focus visibility — keyboard nav */
            #pg-collateral .col-chip:focus-visible,
            #pg-collateral .col-quick-chip:focus-visible,
            #pg-collateral .col-stile:focus-visible,
            #pg-collateral .col-action-btn:focus-visible,
            #pg-collateral .col-map-btn:focus-visible,
            #pg-collateral .col-auction-btn:focus-visible,
            #pg-collateral .col-add-btn:focus-visible {
              outline: 2px solid var(--brand-gold); outline-offset: 2px;
            }

            /* Reduced motion */
            @media (prefers-reduced-motion: reduce) {
              #pg-collateral .col-card { animation: none; transition: none; }
              #pg-collateral .col-card:hover { transform: none; }
              #pg-collateral .col-mh::after, #ledModalHead::after,
              .col-drawer-head::after, .col-form-head::after { animation: none; }
              #pg-collateral .col-skeleton { animation: none; }
              #ledModalInner, .col-form-card { animation: none; }
              #colDrawer { transition: none; }
            }

            @media (max-width: 768px) {
              #pg-collateral .col-list { padding-left: 16px; padding-right: 16px; }
              #ledModal { padding: 8px; }
              #ledModalInner { max-height: 95vh; }
              .led-table th:nth-child(2), .led-table td:nth-child(2) { display: none; }
              #pg-collateral #colList { grid-template-columns: 1fr; }
              .col-detail-grid, .col-form-grid { grid-template-columns: 1fr; }
              #colDrawer { width: 100vw; }
              #colFormModal { padding: 10px; }
              .col-form-card { max-height: 94vh; }
            }
