<style>
  /* Fonts loaded via <link> above */

  :root {
    --bg: #F8F6F1;
    --surface: #FFFFFF;
    --card: #FDFCFA;
    --border: #E8E2D9;
    --border2: #D4CCB8;
    --gold: #8B6914;
    --gold-light: #B8921F;
    --gold-bg: #FDF8EC;
    --text: #1C1A16;
    --muted: #7A7060;
    --success: #2D6A4F;
    --danger: #9B2335;
    --warn: #8B5E00;
    --info: #1B4F72;
    --shadow: 0 2px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  }

  [data-theme="dark"] {
    --bg: #141210;
    --surface: #1E1C18;
    --card: #242018;
    --border: #333020;
    --border2: #3D3828;
    --gold: #C9A84C;
    --gold-light: #D4B85A;
    --gold-bg: rgba(201,168,76,0.08);
    --text: #F0EDE8;
    --muted: #9A9080;
    --success: #4A9E78;
    --danger: #CF4A5A;
    --warn: #C9A84C;
    --info: #4A8EC9;
    --shadow: 0 2px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
  }
  [data-theme="dark"] .topbar { background: #1A1814; border-color: #2A2820; }
  [data-theme="dark"] .sidebar { background: #0E0D0B; }
  [data-theme="dark"] #rate-search { background: #2A2820; border-color: #3A3828; color: #F0EDE8; }
  [data-theme="dark"] .stat-card { background: var(--surface); border-color: var(--border); }
  [data-theme="dark"] .ra-card-header { background: var(--card); }
  [data-theme="dark"] table thead tr { background: var(--bg) !important; }
  [data-theme="dark"] .form-input, [data-theme="dark"] .form-select { background: var(--surface); border-color: var(--border); color: var(--text); }
  [data-theme="dark"] .alert-info { background: rgba(74,142,201,0.12); border-color: rgba(74,142,201,0.3); }
  [data-theme="dark"] .alert-warn { background: rgba(201,168,76,0.12); border-color: rgba(201,168,76,0.3); }
  [data-theme="dark"] .alert-success { background: rgba(74,158,120,0.12); border-color: rgba(74,158,120,0.3); }
  [data-theme="dark"] .btn-outline { border-color: var(--border2); color: var(--text); }
  [data-theme="dark"] .btn-outline:hover { background: var(--border); }

  /* Search results dropdown */
  .search-result-item { padding:10px 14px; cursor:pointer; border-bottom:1px solid var(--border); display:flex; justify-content:space-between; align-items:center; }
  .search-result-item:hover { background: var(--gold-bg); }
  .search-result-item:last-child { border-bottom:none; }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; height: 100%; }
  body { font-family:'Inter','Segoe UI','Helvetica Neue',Arial,sans-serif; background: var(--bg); color: var(--text); height: 100%; overflow: auto; font-size: 14px; }

  /* LAYOUT */
  .app-wrapper { display: flex; height: 100%; min-height: 100vh; align-items: stretch; }
  .sidebar { width: 250px; background: var(--text); position: fixed; top: 0; left: 0; height: 100vh; overflow-y: auto; overscroll-behavior: contain; z-index: 100; flex-shrink: 0; }
  .main-area { margin-left: 250px; flex: 1; height: 100vh; overflow-x: auto; overflow-y: auto; }  /* no min-height:100vh — allows natural window scroll */
  .topbar { background: var(--surface); border-bottom: 1px solid var(--border); padding: 14px 32px; display: flex; justify-content: space-between; align-items: center; position: sticky; top: 0; z-index: 50; }
  .content { padding: 32px; max-width: 1400px; }

  /* SIDEBAR */
  .sidebar-logo { padding: 28px 22px 20px; border-bottom: 1px solid rgba(255,255,255,0.1); }
  .sidebar-logo h1 { font-family:'Playfair Display','Georgia','Times New Roman',serif; font-size: 20px; color: #C9A84C; letter-spacing: 0.08em; }
  .sidebar-logo p { color: rgba(255,255,255,0.45); font-size: 10px; letter-spacing: 0.15em; text-transform: uppercase; margin-top: 3px; }
  .sidebar-section { padding: 16px 0 8px; }
  .sidebar-section-label { color: rgba(255,255,255,0.3); font-size: 10px; letter-spacing: 0.15em; text-transform: uppercase; padding: 0 22px 6px; }
  .nav-item { display: flex; align-items: center; gap: 10px; padding: 10px 22px; color: rgba(255,255,255,0.6); font-size: 13px; cursor: pointer; transition: all 0.2s; border-left: 3px solid transparent; }
  .nav-item:hover { background: rgba(255,255,255,0.06); color: rgba(255,255,255,0.9); }
  .nav-item.active { background: rgba(201,168,76,0.15); color: #C9A84C; border-left-color: #C9A84C; font-weight: 500; }
  .nav-icon { width: 18px; text-align: center; font-size: 14px; flex-shrink: 0; }

  /* TOPBAR */
  .topbar-title { font-family:'Playfair Display','Georgia','Times New Roman',serif; font-size: 22px; color: var(--text); }
  .topbar-sub { color: var(--muted); font-size: 12px; margin-top: 2px; }
  .btn { padding: 8px 18px; border-radius: 6px; font-size: 13px; font-family:'Inter','Segoe UI','Helvetica Neue',Arial,sans-serif; cursor: pointer; transition: all 0.2s; font-weight: 500; border: none; }
  .btn-primary { background: var(--gold); color: #fff; }
  .btn-primary:hover { background: var(--gold-light); }
  .btn-outline { background: transparent; border: 1.5px solid var(--border2); color: var(--muted); }
  .btn-outline:hover { border-color: var(--gold); color: var(--gold); }
  .btn-success { background: var(--success); color: #fff; }
  .btn-danger-soft { background: #FDF2F2; border: 1px solid #E8CCCC; color: var(--danger); }
  .btn-sm { padding: 5px 12px; font-size: 12px; }

  /* CARDS */
  .card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; }
  .card-header { padding: 18px 22px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
  .card-body { padding: 22px; }
  .card-title { font-family:'Playfair Display','Georgia','Times New Roman',serif; font-size: 18px; font-weight: 600; }

  /* STAT CARDS */
  .stats-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; margin-bottom: 24px; }
  .stat-card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 20px 22px; }
  .stat-label { color: var(--muted); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 8px; }
  .stat-value { font-family:'Playfair Display','Georgia','Times New Roman',serif; font-size: 26px; font-weight: 600; color: var(--gold); }
  .stat-sub { color: var(--muted); font-size: 12px; margin-top: 4px; }
  .stat-card.blue .stat-value { color: var(--info); }
  .stat-card.green .stat-value { color: var(--success); }
  .stat-card.warn .stat-value { color: var(--warn); }

  /* TABLES */
  .table-wrap { overflow-x: auto; }
  table { width: 100%; border-collapse: collapse; }
  th { text-align: left; padding: 10px 14px; color: var(--muted); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 600; background: var(--bg); border-bottom: 1px solid var(--border); white-space: nowrap; }
  td { padding: 11px 14px; font-size: 13px; border-bottom: 1px solid var(--border); color: var(--text); vertical-align: middle; }
  tr:last-child td { border-bottom: none; }
  tr:hover td { background: var(--gold-bg); }
  .mono { font-family:'JetBrains Mono','Consolas','Courier New',monospace; font-size: 12px; }
  .text-right { text-align: right; }
  .text-center { text-align: center; }
  .bold { font-weight: 600; }
  .color-gold { color: var(--gold-light); font-weight: 600; }
  .color-success { color: var(--success); }
  .color-danger { color: var(--danger); }
  .color-muted { color: var(--muted); }
  .color-info { color: var(--info); }

  /* BADGES */
  .badge { display: inline-block; padding: 2px 10px; border-radius: 20px; font-size: 11px; font-weight: 500; letter-spacing: 0.04em; }
  .badge-gold { background: #FDF3DC; color: var(--gold); border: 1px solid #E8D8A0; }
  .badge-green { background: #EAF5EE; color: var(--success); border: 1px solid #B8DCC7; }
  .badge-blue { background: #EAF0F8; color: var(--info); border: 1px solid #B0C8E0; }
  .badge-red { background: #FDF2F2; color: var(--danger); border: 1px solid #E8CCCC; }
  .badge-grey { background: #F4F2EE; color: var(--muted); border: 1px solid var(--border); }

  /* FORMS */
  .form-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
  .form-group { display: flex; flex-direction: column; gap: 5px; }
  .form-label { font-size: 12px; font-weight: 500; color: var(--muted); letter-spacing: 0.04em; text-transform: uppercase; }
  .form-input, .form-select { padding: 9px 12px; border: 1.5px solid var(--border); border-radius: 6px; font-size: 13px; font-family:'Inter','Segoe UI','Helvetica Neue',Arial,sans-serif; background: var(--surface); color: var(--text); transition: border 0.2s; }
  .form-input:focus, .form-select:focus { outline: none; border-color: var(--gold); }
  .form-input.mono { font-family:'JetBrains Mono','Consolas','Courier New',monospace; }

  /* TABS */
  .tabs { display: flex; border-bottom: 2px solid var(--border); margin-bottom: 24px; gap: 0; }
  .tab { padding: 10px 22px; font-size: 13px; font-weight: 500; color: var(--muted); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -2px; transition: all 0.2s; background: none; border-top: none; border-left: none; border-right: none; font-family:'Inter','Segoe UI','Helvetica Neue',Arial,sans-serif; }
  .tab:hover { color: var(--gold); }
  .tab.active { color: var(--gold); border-bottom-color: var(--gold); }

  /* RATE ANALYSIS CARD */
  .ra-card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; margin-bottom: 16px; overflow: hidden; }
  .ra-card-header { padding: 14px 20px; background: var(--gold-bg); border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; cursor: pointer; }
  .ra-card-title { font-weight: 600; font-size: 14px; color: var(--text); }
  .ra-card-meta { display: flex; gap: 12px; align-items: center; }
  .ra-card-body { padding: 0; }

  /* SECTION DIVIDER */
  .section-header { margin-bottom: 24px; }
  .section-title { font-family:'Playfair Display','Georgia','Times New Roman',serif; font-size: 26px; font-weight: 600; color: var(--text); }
  .section-sub { color: var(--muted); font-size: 13px; margin-top: 5px; }

  /* PROGRESS */
  .progress { background: var(--border); border-radius: 4px; height: 6px; overflow: hidden; }
  .progress-fill { height: 100%; border-radius: 4px; transition: width 0.5s; }

  /* TRADE HEADER */
  .trade-header { display: flex; align-items: center; gap: 12px; padding: 16px 0 12px; border-bottom: 2px solid var(--border); margin-bottom: 16px; }
  .trade-icon { width: 36px; height: 36px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }
  .trade-title { font-family:'Playfair Display','Georgia','Times New Roman',serif; font-size: 20px; font-weight: 600; }

  /* ESTIMATE SUMMARY */
  .summary-row { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--border); }
  .summary-row.total { padding: 14px 0; border-top: 2px solid var(--border2); border-bottom: none; }

  /* PRINT STYLES */
  @keyframes fpSpin { to { transform: rotate(360deg); } }
  @keyframes fpPulse { 0%,100%{opacity:1} 50%{opacity:0.4} }
  .fp-spin { animation: fpSpin 1s linear infinite; display:inline-block; }
  .fp-pulse { animation: fpPulse 1.5s ease-in-out infinite; }

  @media print {
    .sidebar, .topbar, .no-print, .lock-screen-wrap,
    #arcus-lock-screen, #admin-panel-overlay, #admin-access-overlay,
    #sidebar-admin-btn { display: none !important; }

    /* ── Remove ALL scroll/height constraints so content flows across pages ── */
    html, body { height: auto !important; overflow: visible !important; }
    #app-wrapper { display: block !important; height: auto !important; overflow: visible !important; }
    .main-area   { display: block !important; height: auto !important; overflow: visible !important;
                   margin-left: 0 !important; width: 100% !important; }
    .content     { display: block !important; height: auto !important; overflow: visible !important;
                   padding: 8px !important; max-width: 100% !important; }

    /* Only show the active page, let it flow naturally */
    .page                { display: none !important; }
    .page.active         { display: block !important; height: auto !important;
                           overflow: visible !important; opacity: 1 !important; width: 100% !important; }

    /* Cards: avoid mid-card page breaks */
    .card { break-inside: avoid; page-break-inside: avoid; }

    /* Clean typography */
    body { font-size: 12px !important; background: #fff !important; color: #111 !important; }

    /* Tables print nicely */
    table { border-collapse: collapse; width: 100%; }
    th, td { border: 1px solid #ccc !important; padding: 4px 8px !important; }
  }

  /* MODAL */
  .modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 1000; align-items: center; justify-content: center; }
  .modal-overlay.open { display: flex; }
  .modal { background: var(--surface); border-radius: 12px; width: 90vw; max-width: 780px; max-height: 90vh; overflow-y: auto; box-shadow: var(--shadow-lg); }
  .modal-header { padding: 20px 24px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
  .modal-body { padding: 24px; }
  .modal-close { background: none; border: none; font-size: 20px; cursor: pointer; color: var(--muted); line-height: 1; }

  /* CHIPS */
  .chip { display: inline-flex; align-items: center; gap: 5px; padding: 3px 10px; border-radius: 20px; font-size: 11px; background: var(--bg); border: 1px solid var(--border); color: var(--muted); }

  /* ALERT */
  .alert { padding: 12px 16px; border-radius: 8px; font-size: 13px; margin-bottom: 16px; border-left: 4px solid; }
  .alert-info { background: #EAF0F8; border-color: var(--info); color: var(--info); }
  .alert-warn { background: #FDF8EC; border-color: var(--gold); color: var(--gold); }
  .alert-success { background: #EAF5EE; border-color: var(--success); color: var(--success); }

  .gap-8 { gap: 8px; }
  .flex { display: flex; }
  .flex-col { flex-direction: column; }
  .items-center { align-items: center; }
  .justify-between { justify-content: space-between; }
  .grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
  .mb-8 { margin-bottom: 8px; }
  .mb-16 { margin-bottom: 16px; }
  .mb-24 { margin-bottom: 24px; }
  .mt-16 { margin-top: 16px; }
  .mt-24 { margin-top: 24px; }
  .p-16 { padding: 16px; }
  .p-20 { padding: 20px; }
  input[type=number]::-webkit-inner-spin-button { opacity: 0.5; }

  /* Total row in RA */
  .ra-total-row td { background: var(--gold-bg) !important; font-weight: 600; color: var(--gold) !important; font-family:'Playfair Display','Georgia','Times New Roman',serif; font-size: 14px; border-top: 2px solid var(--border2); }
  tr:hover .ra-total-row td { background: var(--gold-bg) !important; }
  .ra-sub-row td { background: #F9F8F4; color: var(--muted); font-style: italic; font-size: 12px; }
  .ra-section-row td { background: var(--bg); font-weight: 600; font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--info); padding: 7px 14px; }
  .ra-section-row:hover td { background: var(--bg) !important; }
  .ra-total-row:hover td { background: var(--gold-bg) !important; }

  .grand-total-box { background: linear-gradient(135deg, var(--text) 0%, #2D2820 100%); color: #fff; border-radius: 12px; padding: 28px 32px; margin-top: 24px; }
  .grand-total-box .label { color: rgba(255,255,255,0.6); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 6px; }
  .grand-total-box .value { font-family:'Playfair Display','Georgia','Times New Roman',serif; font-size: 36px; color: #C9A84C; font-weight: 700; }
  .grand-total-box .sub { color: rgba(255,255,255,0.5); font-size: 13px; margin-top: 4px; }

  /* page select tabs */
  .page { display: none; }
  .page.active { display: block; }

  /* ═══════════════ ARCUS PASSWORD LOCK SCREEN ═══════════════ */
  #arcus-lock-screen{
    position:fixed;
    top:0; left:0; right:0; bottom:0;   /* fallback for browsers that don't support inset */
    width:100%; height:100%;
    min-height:100vh; min-height:-webkit-fill-available;
    z-index:99999;
    background:#1A2744;
    display:-webkit-box;
    display:-webkit-flex;
    display:-ms-flexbox;
    display:flex;
    -webkit-box-align:center;
    -webkit-align-items:center;
    align-items:center;
    -webkit-box-pack:center;
    -webkit-justify-content:center;
    justify-content:center;
    font-family:'Inter','Segoe UI','Helvetica Neue',Arial,sans-serif;
    overflow-y:auto;
    -webkit-overflow-scrolling:touch;
    box-sizing:border-box;
    padding:16px;
  }
  #arcus-lock-screen.unlocked{animation:lockFadeOut 0.5s ease forwards;}
  @keyframes lockFadeOut{to{opacity:0;pointer-events:none;}}
  .lock-card{
    background:#1F3160;
    border-radius:20px;
    padding:44px 36px 40px;
    width:340px;
    max-width:100%;
    box-sizing:border-box;
    text-align:center;
    box-shadow:0 24px 64px rgba(0,0,0,0.5);
    border:1px solid rgba(255,255,255,0.07);
    margin:auto;
    position:relative;
    z-index:1;
  }
  @media (max-width:380px){
    .lock-card{ padding:32px 20px 28px; border-radius:16px; }
    .lock-brand{ font-size:22px; }
  }
  @media (max-height:600px){
    .lock-card{ padding:24px 28px; }
    .lock-hex-wrap{ margin-bottom:12px; }
    .lock-divider{ margin-bottom:16px; }
  }
  .lock-hex-wrap{display:flex;justify-content:center;margin-bottom:22px;}
  .lock-brand{font-size:28px;font-weight:700;letter-spacing:0.22em;color:#fff;margin-bottom:4px;}
  .lock-tagline{font-size:9px;letter-spacing:0.18em;color:rgba(255,255,255,0.45);text-transform:uppercase;margin-bottom:22px;}
  .lock-divider{width:40px;height:2px;background:#E07B39;border-radius:2px;margin:0 auto 28px;}
  .lock-prompt{font-size:11px;letter-spacing:0.14em;color:rgba(255,255,255,0.65);text-transform:uppercase;margin-bottom:14px;display:flex;align-items:center;justify-content:center;gap:7px;}
  .lock-input-wrap{position:relative;margin-bottom:10px;}
  #arcus-pw-input{width:100%;box-sizing:border-box;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.14);border-radius:12px;padding:14px 48px 14px 18px;color:rgba(255,255,255,0.9);font-size:15px;letter-spacing:0.08em;outline:none;transition:border-color 0.2s;font-family:'JetBrains Mono','Consolas','Courier New',monospace;}
  #arcus-pw-input:focus{border-color:rgba(224,123,57,0.7);}
  #arcus-pw-input.shake{animation:pwShake 0.4s ease;border-color:#e05252 !important;}
  @keyframes pwShake{0%,100%{transform:translateX(0)}20%{transform:translateX(-8px)}40%{transform:translateX(8px)}60%{transform:translateX(-6px)}80%{transform:translateX(6px)}}
  #arcus-pw-eye{position:absolute;right:14px;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;color:rgba(255,255,255,0.4);font-size:18px;padding:4px;line-height:1;}
  #arcus-pw-eye:hover{color:rgba(255,255,255,0.7);}
  #arcus-unlock-btn{width:100%;background:linear-gradient(135deg,#E07B39 0%,#C96020 100%);border:none;border-radius:12px;padding:15px 24px;color:#fff;font-size:13px;font-weight:700;letter-spacing:0.2em;text-transform:uppercase;cursor:pointer;transition:opacity 0.2s,transform 0.1s;margin-bottom:18px;font-family:'Inter','Segoe UI',Arial,sans-serif;}
  #arcus-unlock-btn:hover{opacity:0.9;}#arcus-unlock-btn:active{transform:scale(0.98);}
  .lock-hint{font-size:11.5px;color:rgba(255,255,255,0.38);line-height:1.6;}
  .lock-hint strong{color:rgba(255,255,255,0.65);}
  #arcus-pw-error{font-size:11px;color:#e05252;margin-bottom:10px;min-height:16px;letter-spacing:0.05em;}

  

  /* ═══════════════ SINGLE-FLAT LICENSE ═══════════════ */
  #flat-lock-modal{display:none;position:fixed;top:0;left:0;right:0;bottom:0;width:100%;height:100%;z-index:8000;background:rgba(0,0,0,0.6);align-items:center;justify-content:center;}
  #flat-lock-modal.open{display:flex;}
  .flat-lock-card{background:var(--surface);border-radius:16px;padding:32px 28px;width:400px;max-width:94vw;box-shadow:0 20px 60px rgba(0,0,0,0.35);border:1px solid var(--border2);}
  .flat-lock-icon{font-size:38px;text-align:center;margin-bottom:12px;}
  .flat-lock-title{font-size:18px;font-weight:700;color:var(--text);text-align:center;margin-bottom:6px;font-family:'Playfair Display','Georgia','Times New Roman',serif;}
  .flat-lock-sub{font-size:13px;color:var(--muted);text-align:center;margin-bottom:20px;line-height:1.7;}
  .flat-lock-info{background:var(--gold-bg);border:1px solid rgba(139,105,20,0.2);border-radius:8px;padding:14px 16px;margin-bottom:20px;}
  .flat-lock-info-row{display:flex;justify-content:space-between;align-items:center;font-size:12px;margin-bottom:5px;}
  .flat-lock-info-row:last-child{margin-bottom:0;}
  .flat-lock-info-label{color:var(--muted);}
  .flat-lock-info-val{font-weight:600;color:var(--text);font-family:'JetBrains Mono','Consolas','Courier New',monospace;font-size:11px;}
  .flat-lock-btn-row{display:flex;gap:10px;justify-content:center;}

  /* ═══════════════ @supports accent-color fallback ═══════════════ */
  @supports not (accent-color: gold){input[type="checkbox"],input[type="radio"]{width:14px;height:14px;}}


  /* ═══════════════════════════════════════════════════════
     ARCUS ADMIN PANEL
  ═══════════════════════════════════════════════════════ */
  #admin-panel-overlay {
    display: none;
    position: fixed;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100% !important;
    height: 100% !important;
    min-height: 100vh;
    z-index: 99998;
    background: rgba(10,15,30,0.88);
    font-family: 'Inter','Segoe UI',Arial,sans-serif;
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    box-sizing: border-box;
  }
  #admin-panel-overlay.open {
    display: block !important;  /* block not flex — avoids all flexbox centering bugs */
    padding: 20px 16px 40px;
  }

  .admin-card {
    background: #0F1A2E;
    border: 1px solid rgba(201,168,76,0.3);
    border-radius: 20px;
    width: 560px;
    max-width: 100%;
    box-sizing: border-box;
    box-shadow: 0 32px 80px rgba(0,0,0,0.7);
    position: relative;
    margin: 0 auto;          /* centers horizontally in block layout */
    display: block;
  }
  @media (max-width:600px){
    .admin-card { border-radius:14px; width:100%; }
    .admin-body { padding:16px !important; }
    .admin-row  { grid-template-columns:1fr !important; }
  }
  .admin-header {
    background: linear-gradient(135deg, #0F1A2E 0%, #1A2744 100%);
    border-bottom: 1px solid rgba(201,168,76,0.2);
    padding: 22px 28px 18px;
    border-radius: 20px 20px 0 0;
    position: sticky; top: 0; z-index: 2;
  }
  .admin-header-top {
    display: flex; align-items: center; justify-content: space-between;
  }
  .admin-logo-row {
    display: flex; align-items: center; gap: 12px;
  }
  .admin-title {
    font-size: 15px; font-weight: 700; letter-spacing: 0.14em;
    color: #C9A84C; text-transform: uppercase;
  }
  .admin-subtitle {
    font-size: 10px; color: rgba(255,255,255,0.35);
    letter-spacing: 0.1em; text-transform: uppercase; margin-top: 2px;
  }
  .admin-close-btn {
    background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.12);
    border-radius: 8px; color: rgba(255,255,255,0.5); font-size: 18px;
    cursor: pointer; padding: 4px 10px; line-height: 1;
  }
  .admin-close-btn:hover { color: #fff; background: rgba(255,255,255,0.12); }

  .admin-body { padding: 24px 28px 28px; }

  /* Section headers */
  .admin-section-label {
    font-size: 9px; font-weight: 700; letter-spacing: 0.18em;
    color: rgba(201,168,76,0.7); text-transform: uppercase;
    margin: 0 0 12px; display: flex; align-items: center; gap: 8px;
  }
  .admin-section-label::after {
    content: ''; flex: 1; height: 1px;
    background: rgba(201,168,76,0.15);
  }
  .admin-section { margin-bottom: 22px; }

  /* Form fields */
  .admin-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
  .admin-row-full { margin-bottom: 12px; }
  .admin-field label {
    display: block; font-size: 10px; font-weight: 600;
    color: rgba(255,255,255,0.45); letter-spacing: 0.1em;
    text-transform: uppercase; margin-bottom: 5px;
  }
  .admin-field label span { color: #E07B39; }
  .admin-input {
    width: 100%; box-sizing: border-box;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 8px; padding: 10px 12px;
    color: rgba(255,255,255,0.9); font-size: 13px;
    outline: none; transition: border-color 0.2s;
    font-family: 'Inter','Segoe UI',Arial,sans-serif;
  }
  .admin-input:focus { border-color: rgba(201,168,76,0.6); box-shadow: 0 0 0 3px rgba(201,168,76,0.08); }
  .admin-input.highlight { border-color: rgba(201,168,76,0.5); background: rgba(201,168,76,0.06); }
  .admin-input::placeholder { color: rgba(255,255,255,0.2); }
  .admin-select {
    width: 100%; box-sizing: border-box;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 8px; padding: 10px 12px;
    color: rgba(255,255,255,0.9); font-size: 13px;
    outline: none; cursor: pointer;
  }
  .admin-select option { background: #1A2744; color: #fff; }

  /* Preview card */
  .admin-preview {
    background: rgba(201,168,76,0.06);
    border: 1px solid rgba(201,168,76,0.2);
    border-radius: 10px; padding: 14px 16px;
    margin-bottom: 20px;
  }
  .admin-preview-title {
    font-size: 9px; color: rgba(201,168,76,0.6);
    letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 10px;
  }
  .admin-preview-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 6px 16px;
  }
  .admin-preview-row { display: flex; justify-content: space-between; font-size: 11px; }
  .admin-preview-key { color: rgba(255,255,255,0.4); }
  .admin-preview-val { color: rgba(255,255,255,0.85); font-weight: 600;
    font-family: 'JetBrains Mono','Consolas','Courier New',monospace; font-size: 10px; }

  /* Status badge */
  .admin-status {
    display: none; padding: 10px 14px; border-radius: 8px;
    font-size: 12px; margin-bottom: 16px; line-height: 1.5;
  }
  .admin-status.success { background: rgba(45,106,79,0.2); border: 1px solid rgba(45,106,79,0.4); color: #5CB88A; display: block; }
  .admin-status.error   { background: rgba(155,35,53,0.15); border: 1px solid rgba(155,35,53,0.4); color: #E07070; display: block; }

  /* Buttons */
  .admin-btn-row { display: flex; gap: 10px; margin-top: 6px; }
  .admin-btn-primary {
    flex: 1; background: linear-gradient(135deg, #C9A84C 0%, #A07820 100%);
    border: none; border-radius: 10px; padding: 13px 20px;
    color: #0F1A2E; font-size: 13px; font-weight: 700;
    letter-spacing: 0.12em; text-transform: uppercase;
    cursor: pointer; transition: opacity 0.2s, transform 0.1s;
  }
  .admin-btn-primary:hover { opacity: 0.9; }
  .admin-btn-primary:active { transform: scale(0.98); }
  .admin-btn-secondary {
    background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.15);
    border-radius: 10px; padding: 13px 18px;
    color: rgba(255,255,255,0.6); font-size: 12px; font-weight: 600;
    cursor: pointer; transition: background 0.2s;
  }
  .admin-btn-secondary:hover { background: rgba(255,255,255,0.1); color: #fff; }

  /* Tower unit grid */
  .admin-tower-tabs {
    display: flex; gap: 8px; margin-bottom: 12px;
  }
  .admin-tower-tab {
    padding: 6px 14px; border-radius: 20px; font-size: 11px; font-weight: 600;
    cursor: pointer; border: 1px solid rgba(255,255,255,0.15);
    color: rgba(255,255,255,0.5); background: transparent; transition: all 0.15s;
    letter-spacing: 0.06em;
  }
  .admin-tower-tab.active {
    background: rgba(201,168,76,0.15); border-color: rgba(201,168,76,0.5);
    color: #C9A84C;
  }

  /* Admin access overlay */
  #admin-access-overlay {
    display: none;
    position: fixed;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100% !important;
    height: 100% !important;
    min-height: 100vh;
    z-index: 99997;
    background: rgba(10,15,30,0.92);
    font-family: 'Inter','Segoe UI',Arial,sans-serif;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    box-sizing: border-box;
  }
  #admin-access-overlay.open {
    display: block !important;  /* block not flex — reliable on all Android */
    padding: 60px 16px;
  }
  .admin-access-card {
    background: #0F1A2E; border: 1px solid rgba(201,168,76,0.25);
    border-radius: 16px; padding: 36px 32px; width: 340px; max-width: 94vw;
    text-align: center; box-shadow: 0 24px 64px rgba(0,0,0,0.7); margin:0 auto; display:block;
  }
  .admin-access-title { font-size: 14px; font-weight: 700; color: #C9A84C; letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 4px; }
  .admin-access-sub { font-size: 11px; color: rgba(255,255,255,0.35); margin-bottom: 20px; }
  #admin-access-input {
    width: 100%; box-sizing: border-box;
    background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.12);
    border-radius: 10px; padding: 12px 16px; color: rgba(255,255,255,0.9);
    font-size: 14px; outline: none; margin-bottom: 10px; text-align: center;
    letter-spacing: 0.12em; font-family: 'JetBrains Mono','Consolas',monospace;
  }
  #admin-access-input:focus { border-color: rgba(201,168,76,0.6); }
  #admin-access-error { font-size: 11px; color: #E07070; min-height: 16px; margin-bottom: 10px; }
  .admin-access-btn {
    width: 100%; background: linear-gradient(135deg,#C9A84C,#A07820);
    border: none; border-radius: 10px; padding: 13px;
    color: #0F1A2E; font-size: 12px; font-weight: 700; letter-spacing: 0.15em;
    text-transform: uppercase; cursor: pointer;
  }
  .admin-access-btn:hover { opacity: 0.9; }


  /* Customer list */
  .adm-cust-row {
    display:flex; align-items:flex-start; justify-content:space-between; flex-wrap:wrap;
    padding:12px 14px; border-radius:8px;
    background:rgba(255,255,255,0.04); border:1px solid rgba(255,255,255,0.08);
    margin-bottom:8px; gap:10px;
  }
  .adm-cust-row:hover { background:rgba(201,168,76,0.07); border-color:rgba(201,168,76,0.2); }
  .adm-cust-name  { font-size:13px; font-weight:700; color:rgba(255,255,255,0.9); }
  .adm-cust-detail{ font-size:10.5px; color:rgba(255,255,255,0.4); margin-top:2px; }
  .adm-cust-mobile{ font-size:10px; color:rgba(201,168,76,0.7); margin-top:3px;
                    font-family:'JetBrains Mono','Consolas',monospace; }
  .adm-cust-note  { font-size:10px; color:rgba(255,255,255,0.25); margin-top:3px; }
  .adm-cust-actions { display:flex; gap:6px; flex-shrink:0; margin-top:2px; }
  .adm-cust-btn   { border:none; border-radius:6px; padding:5px 10px; font-size:11px;
                    cursor:pointer; font-weight:600; }
  .adm-cust-btn.edit { background:rgba(201,168,76,0.15); color:#C9A84C; }
  .adm-cust-btn.edit:hover { background:rgba(201,168,76,0.3); }
  .adm-cust-btn.del  { background:rgba(155,35,53,0.15); color:#E07070; }
  .adm-cust-btn.del:hover  { background:rgba(155,35,53,0.3); }
  #adm-form-header { font-size:11px; font-weight:700; letter-spacing:0.14em;
                     color:rgba(201,168,76,0.8); text-transform:uppercase;
                     margin-bottom:14px; }


  /* Export section */
  .adm-export-section {
    background: linear-gradient(135deg, rgba(45,106,79,0.15) 0%, rgba(45,106,79,0.05) 100%);
    border: 1px solid rgba(45,106,79,0.35);
    border-radius: 12px;
    padding: 16px 18px;
    margin-bottom: 20px;
  }
  .adm-export-title {
    font-size: 11px; font-weight: 700; letter-spacing: 0.14em;
    color: #5CB88A; text-transform: uppercase; margin-bottom: 10px;
    display: flex; align-items: center; gap: 8px;
  }
  .adm-export-desc {
    font-size: 11px; color: rgba(255,255,255,0.45); margin-bottom: 14px;
    line-height: 1.7;
  }
  .adm-export-desc strong { color: rgba(255,255,255,0.7); }
  .adm-export-count {
    display: inline-block; background: rgba(45,106,79,0.25);
    border: 1px solid rgba(45,106,79,0.4); border-radius: 20px;
    padding: 3px 12px; font-size: 11px; font-weight: 700; color: #5CB88A;
    margin-bottom: 12px;
  }
  .adm-export-btn {
    width: 100%; background: linear-gradient(135deg,#2D6A4F,#1B4332);
    border: none; border-radius: 10px; padding: 14px;
    color: #fff; font-size: 13px; font-weight: 700;
    letter-spacing: 0.1em; text-transform: uppercase;
    cursor: pointer; transition: opacity 0.2s;
    display: flex; align-items: center; justify-content: center; gap: 8px;
  }
  .adm-export-btn:hover { opacity: 0.85; }
  .adm-export-btn:disabled { opacity: 0.4; cursor: not-allowed; }
  .adm-export-warning {
    font-size: 10px; color: rgba(255,255,255,0.3);
    margin-top: 10px; line-height: 1.6; text-align: center;
  }
  .adm-cust-tag {
    display: inline-block; font-size: 9px; font-weight: 700;
    background: rgba(45,106,79,0.2); color: #5CB88A;
    border-radius: 4px; padding: 1px 6px; margin-left: 6px;
    letter-spacing: 0.08em; text-transform: uppercase;
  }
  #adm-export-status {
    font-size: 11px; margin-top: 8px; min-height: 14px;
    text-align: center; display: none;
  }
  #adm-export-status.success { color: #5CB88A; display: block; }
  #adm-export-status.error   { color: #E07070; display: block; }


  /* ═══════════════════════════════════════════════
     MOBILE LAYOUT — sidebar off-canvas on small screens
  ═══════════════════════════════════════════════ */
  .hamburger-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px 8px;
    border-radius: 6px;
    color: var(--text);
    font-size: 22px;
    line-height: 1;
    margin-right: 10px;
    flex-shrink: 0;
  }
  .sidebar-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.55);
    z-index: 99;
  }
  .sidebar-overlay.active { display: block; }
  html.sidebar-active .main-area { overflow: hidden; }  /* lock main-area when sidebar open */

  @media (min-width: 769px) {
    .hamburger-btn { display: none !important; }
  }

  @media (max-width: 768px) {
    /* NOTE: overflow-x:hidden on html/body kills vertical scroll on Android — DO NOT add it */
    /* html,body overflow managed by .main-area scroll container */

    /* show hamburger */
    .hamburger-btn { display: flex !important; align-items: center; justify-content: center; }

    /* sidebar slides off-screen left */
    .sidebar {
      transform: translateX(-100%) !important;
      transition: transform 0.25s ease;
      z-index: 200 !important;
      box-shadow: 4px 0 24px rgba(0,0,0,0.5);
    }
    .sidebar.mobile-open { transform: translateX(0) !important; }

    /* main-area: full width on mobile, scroll container for both axes */
    .main-area {
      margin-left: 0 !important;
      width: 100% !important;
      min-width: 0 !important;
      box-sizing: border-box !important;
      height: 100vh !important;
      overflow-x: auto !important;
      overflow-y: auto !important;
      -webkit-overflow-scrolling: touch !important;
    }

    /* topbar */
    .topbar {
      position: sticky !important;
      top: 0 !important;
      z-index: 50 !important;
      width: 100% !important;
      box-sizing: border-box !important;
      padding: 10px 14px !important;
    }
    .topbar-title { font-size: 15px !important; }
    .topbar-sub   { font-size: 10px !important; }

    /* pages */
    .page { padding: 12px 10px !important; }
    .dash-cards { grid-template-columns: 1fr 1fr !important; gap: 8px !important; }
    .dash-card   { padding: 12px !important; }
  
    /* ── Stats / dashboard cards ── */
    .stats-grid {
      grid-template-columns: 1fr 1fr !important;
      gap: 10px !important;
    }
    .stat-card {
      padding: 14px 12px !important;
      min-width: 0 !important;
    }

    /* ── All multi-col grids → single col ── */
    .form-grid, .grid2, .admin-preview-grid {
      grid-template-columns: 1fr !important;
      gap: 10px !important;
    }

    /* ── Rate analysis tables: allow horizontal scroll inside ── */
    .ra-table-wrap, .table-wrap, .boq-table-wrap,
    table, .table-scroll {
      overflow-x: auto !important;
      -webkit-overflow-scrolling: touch !important;
      width: 100% !important;
      display: block !important;
    }

    /* ── Estimate hero card ── */
    .est-hero, .hero-card, .project-hero {
      padding: 18px 14px !important;
    }

    /* ── Pages: scroll freely ── */
    .page {
      width: 100% !important;
      box-sizing: border-box !important;
    }

    /* ── inputs / selects full width ── */
    input, select, textarea {
      max-width: 100% !important;
      box-sizing: border-box !important;
    }


    /* ── Tables: always scrollable, never clipped ── */
    .card-body {
      min-width: 0 !important; /* allows grid child to shrink and scroll */
    }
    table {
      min-width: 500px; /* prevents table from collapsing; parent has overflow-x:auto */
    }
    /* ── All inline 2+ col grids: stack on mobile ── */
    [style*="grid-template-columns:1fr 1fr"],
    [style*="grid-template-columns: 1fr 1fr"],
    [style*="grid-template-columns:repeat(2"],
    [style*="grid-template-columns: repeat(2"],
    [style*="grid-template-columns:repeat(3"],
    [style*="grid-template-columns: repeat(3"],
    [style*="grid-template-columns:repeat(4"],
    [style*="grid-template-columns: repeat(4"] {
      grid-template-columns: 1fr !important;
    }
    /* ── Floor Plan page: stack columns on mobile ── */
    .fp-two-col {
      grid-template-columns: 1fr !important;
    }
    /* ── Room Dimensions table: scroll inside card ── */
    .fp-two-col .card-body,
    #fp-room-tbody,
    [id*="fp-"] table {
      overflow-x: auto !important;
      -webkit-overflow-scrolling: touch !important;
    }
    /* ── Any inline-grid with 2 cols: stack on mobile ── */
    [style*="grid-template-columns:1fr 1fr"],
    [style*="grid-template-columns: 1fr 1fr"] {
      grid-template-columns: 1fr !important;
    }
  }

  @media (max-width: 480px) {
    .dash-cards { grid-template-columns: 1fr !important; }
    .topbar { padding: 8px 10px !important; }
    .topbar-title { font-size: 14px !important; }
  
    .stats-grid {
      grid-template-columns: 1fr !important;
    }
  }
</style>