:root{
    --bg:#F5F7FB;
    --card:#FFFFFF;
    --ink:#0F1B2D;
    --ink-soft:#42506B;
    --muted:#7B879D;
    --line:#E7EBF2;
    --line-soft:#EFF2F7;
    --accent:#2563EB;        /* primary blue */
    --accent-soft:#EAF0FE;
    --navy:#0F1B2D;          /* dark buttons */
    --green:#16A34A;
    --green-bg:#E8F7EE;
    --red:#DC2626;
    --red-bg:#FDECEB;
    --amber:#B45309;
    --amber-bg:#FDF3E3;
    --purple:#7C5CFC;
    --purple-bg:#F0EDFE;
    --orange:#EA8A00;
    --orange-bg:#FEF3E2;
    --r:16px;
    --shadow:0 1px 2px rgba(16,24,40,.04),0 1px 3px rgba(16,24,40,.06);
    --sans:"Inter",ui-sans-serif,system-ui,sans-serif;
  }
  *{box-sizing:border-box}
  html,body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:14.5px}
  body{-webkit-font-smoothing:antialiased}
  a{color:inherit}
  button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
  :focus-visible{outline:2.5px solid var(--accent);outline-offset:2px;border-radius:6px}
  section{scroll-margin-top:20px}
  .spacer{flex:1}
  .num{font-variant-numeric:tabular-nums}

  /* ---------- app shell ---------- */
  .shell{display:flex;min-height:100vh}
  .sidebar{width:232px;flex-shrink:0;background:var(--card);border-right:1px solid var(--line);
    padding:20px 14px 18px;position:sticky;top:0;height:100vh;overflow-y:auto;
    display:flex;flex-direction:column;gap:6px}
  .brand{display:flex;align-items:center;gap:10px;padding:4px 8px 16px}
  .brand-ico{width:36px;height:36px;border-radius:11px;background:var(--accent-soft);color:var(--accent);
    display:grid;place-items:center;flex-shrink:0}
  .brand-ico svg{width:18px;height:18px}
  .b-name{display:block;font-weight:800;font-size:14.5px;letter-spacing:-.01em;line-height:1.15;text-transform:uppercase}
  .b-sub{display:block;font-size:10px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-top:2px}
  .nav{display:flex;flex-direction:column;gap:2px}
  .nav-link{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:10px;
    font-weight:600;font-size:13px;color:var(--ink-soft);text-decoration:none}
  .nav-link svg{width:16px;height:16px;color:var(--muted);flex-shrink:0}
  .nav-link:hover{background:var(--line-soft);color:var(--ink)}
  .nav-link.active{background:var(--accent-soft);color:var(--accent)}
  .nav-link.active svg{color:var(--accent)}
  .side-foot{margin-top:auto;padding:12px 8px 0;display:flex;flex-direction:column;gap:12px}
  .side-note{font-size:10.5px;line-height:1.6;color:var(--muted)}
  .admin-link{display:none;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--line);
    border-radius:10px;font-weight:600;font-size:12px;color:var(--ink-soft);background:var(--card)}
  .admin-link svg{width:14px;height:14px}
  .admin-link:hover{border-color:var(--ink-soft);color:var(--ink)}

  main{flex:1;min-width:0;padding:26px 30px 70px;max-width:1180px;margin:0 auto}

  /* ---------- page head + stats ---------- */
  .page-head{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:20px}
  .page-head h1{font-size:22px;font-weight:700;letter-spacing:-.02em;margin:0}
  .page-sub{margin:5px 0 0;font-size:13px;color:var(--muted)}
  .scan-chip{background:var(--card);border:1px solid var(--line);border-radius:999px;
    padding:7px 14px;font-size:12.5px;color:var(--muted);white-space:nowrap}
  .scan-chip b{color:var(--ink);font-weight:600}
  .member-btn{display:inline-flex;align-items:center;gap:7px;padding:7px 15px;border-radius:999px;
    background:var(--navy);color:#fff;font-size:12.5px;font-weight:600;text-decoration:none;white-space:nowrap;
    box-shadow:var(--shadow);transition:background .15s}
  .member-btn svg{width:14px;height:14px}
  .member-btn:hover{background:var(--accent)}
  .stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}
  .stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);
    box-shadow:var(--shadow);padding:16px 18px;display:flex;justify-content:space-between;gap:10px}
  .stat .k{font-size:12px;font-weight:500;color:var(--muted)}
  .stat .v{font-size:23px;font-weight:700;letter-spacing:-.02em;margin-top:6px;font-variant-numeric:tabular-nums}
  .stat .v.green{color:var(--green)}
  .stat .s{font-size:11.5px;color:var(--muted);margin-top:5px}
  .stat-ico{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;flex-shrink:0}
  .stat-ico svg{width:17px;height:17px}
  .stat-ico.purple{background:var(--purple-bg);color:var(--purple)}
  .stat-ico.green{background:var(--green-bg);color:var(--green)}
  .stat-ico.blue{background:var(--accent-soft);color:var(--accent)}
  .stat-ico.orange{background:var(--orange-bg);color:var(--orange)}

  .banner{margin-top:14px;background:var(--amber-bg);border:1px solid #F3DFBE;color:var(--amber);
    border-radius:12px;padding:11px 16px;font-size:13px;display:none;align-items:center;gap:10px}
  .banner.show{display:flex}
  .banner svg{width:16px;height:16px;flex-shrink:0}

  .ticker-strip{margin-top:14px;background:var(--card);border:1px solid var(--line);border-radius:12px;
    padding:9px 16px;font-size:12.5px;color:var(--muted);display:flex;gap:10px;align-items:center;
    white-space:nowrap;overflow:hidden}
  .ticker-strip .lbl{font-weight:600;color:var(--ink);flex-shrink:0}
  #ticker{overflow:hidden;text-overflow:ellipsis;font-variant-numeric:tabular-nums}
  #ticker b{color:var(--ink);font-weight:600}

  /* ---------- panels (cards) ---------- */
  .panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r);
    box-shadow:var(--shadow);margin-top:22px;overflow:hidden}
  .panel-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:16px 20px;
    border-bottom:1px solid var(--line-soft)}
  .panel-head h2{font-size:15.5px;font-weight:700;letter-spacing:-.01em;margin:0}
  .panel-head .note{font-size:12px;color:var(--muted)}

  /* segmented toggle (fare grid) */
  .chips{display:inline-flex;background:#F1F4F9;border-radius:10px;padding:3px;gap:2px}
  .chip{border-radius:8px;padding:5px 12px;font-size:12px;font-weight:600;color:var(--muted)}
  .chip[aria-pressed="true"]{background:var(--card);color:var(--ink);box-shadow:0 1px 2px rgba(16,24,40,.14)}
  .chip:hover:not([aria-pressed="true"]){color:var(--ink)}

  /* ---------- destinations board ---------- */
  .board{overflow-x:auto}
  .board table{width:100%;border-collapse:collapse}
  .board th{font-size:11px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;
    color:var(--muted);text-align:left;padding:11px 20px;border-bottom:1px solid var(--line-soft)}
  .board td{padding:13px 20px;border-bottom:1px solid var(--line-soft);vertical-align:middle}
  .board tr:last-child td{border-bottom:none}
  .board tr:hover td{background:#FAFBFD}
  .dest-cell{display:flex;align-items:center;gap:12px}
  .dest-tile{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;
    color:#fff;font-weight:700;font-size:11px;letter-spacing:.03em;flex-shrink:0}
  .dest-tile.sm{width:34px;height:34px;border-radius:9px;font-size:10px}
  .g-europe{background:linear-gradient(135deg,#6366F1,#8B5CF6)}
  .g-us_east{background:linear-gradient(135deg,#10B981,#059669)}
  .g-us_west{background:linear-gradient(135deg,#F59E0B,#F97316)}
  .g-beach{background:linear-gradient(135deg,#06B6D4,#0EA5E9)}
  .dest-name{font-weight:600;font-size:14px}
  .dest-sub{font-size:11.5px;color:var(--muted)}
  .fare{font-weight:700;font-size:15.5px;font-variant-numeric:tabular-nums}
  .fare.good{color:var(--green)}
  .delta{display:inline-block;font-size:11px;font-weight:600;padding:2px 8px;border-radius:999px;
    margin-top:4px;white-space:nowrap}
  .delta.down{background:var(--green-bg);color:var(--green)}
  .delta.up{background:var(--red-bg);color:var(--red)}
  .delta.flat{background:var(--line-soft);color:var(--ink-soft)}
  .dates{font-weight:600;font-size:13px}
  .spark{display:block}
  .spark-none{color:var(--muted)}
  .book{display:inline-block;border:1px solid var(--line);border-radius:8px;padding:6px 12px;
    font-size:12px;font-weight:600;color:var(--ink-soft);text-decoration:none;white-space:nowrap}
  .book:hover{background:var(--navy);border-color:var(--navy);color:#fff}
  .empty-note{padding:24px 20px;color:var(--muted);font-size:13px;text-align:center}

  /* ---------- fare calendar grid ---------- */
  .grid-wrap{padding:12px 14px 8px;overflow-x:auto}
  table.grid{border-collapse:collapse;width:100%;min-width:760px}
  .grid th{font-size:10.5px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;
    color:var(--muted);padding:8px 6px;border-bottom:1px solid var(--line-soft);white-space:nowrap}
  .grid th.rowhead{text-align:left;padding-left:10px}
  .grid td{padding:3px;border:none}
  .grid td.rowhead{font-size:12.5px;font-weight:600;padding:0 14px 0 10px;white-space:nowrap;
    font-variant-numeric:tabular-nums}
  .grid td.rowhead .city{display:block;font-weight:400;font-size:11px;color:var(--muted)}
  .cell{display:block;width:100%;font-size:12.5px;font-weight:600;text-align:center;
    padding:10px 4px;position:relative;border-radius:9px;color:var(--ink);text-decoration:none;
    font-variant-numeric:tabular-nums}
  .cell:hover{filter:brightness(.95)}
  .cell .ring{position:absolute;inset:0;border:2px solid var(--green);border-radius:9px;pointer-events:none}
  .cell.deal-cell{font-weight:700}
  .cell.empty{color:#C7CEDA;font-weight:400}
  .grid-foot{display:flex;gap:16px;align-items:center;flex-wrap:wrap;padding:12px 8px 8px;
    font-size:11.5px;color:var(--muted)}
  .dot{display:inline-block;width:9px;height:9px;border-radius:999px;vertical-align:-1px;margin-right:6px}
  .dot.outline{background:var(--card);border:2px solid var(--green);width:8px;height:8px}

  /* tooltip */
  #tip{position:fixed;z-index:10;background:var(--card);color:var(--ink);border:1px solid var(--line);
    border-radius:10px;padding:10px 12px;font-size:12px;line-height:1.5;pointer-events:none;display:none;
    max-width:250px;box-shadow:0 8px 24px rgba(16,24,40,.14)}
  #tip .t-fare{font-weight:700;font-size:14px;font-variant-numeric:tabular-nums}
  #tip .t-dim{color:var(--muted)}

  /* ---------- history + deal log columns ---------- */
  .cols{display:grid;grid-template-columns:1.7fr 1fr;gap:22px;margin-top:22px;align-items:start}
  .cols .panel{margin-top:0}
  .hist-controls{display:flex;gap:8px;flex-wrap:wrap;padding:14px 20px 0}
  .dchip{border:1px solid var(--line);background:var(--card);border-radius:999px;padding:5px 12px;
    font-size:12px;font-weight:600;color:var(--ink-soft)}
  .dchip[aria-pressed="true"]{background:var(--navy);border-color:var(--navy);color:#fff}
  .dchip:hover:not([aria-pressed="true"]){border-color:var(--ink-soft)}
  .chart-box{height:330px;padding:8px 20px 16px}

  #log-list{max-height:470px;overflow-y:auto}
  .alert-row{display:flex;align-items:center;gap:12px;padding:12px 18px;border-bottom:1px solid var(--line-soft)}
  .alert-row:last-child{border-bottom:none}
  .al-main{flex:1;min-width:0}
  .al-name{font-weight:600;font-size:13.5px}
  .al-code{color:var(--muted);font-weight:500;font-size:11.5px}
  .al-sub{display:block;font-size:11.5px;color:var(--muted);margin-top:2px}
  .al-price{font-weight:700;font-size:14px;color:var(--green);font-variant-numeric:tabular-nums;white-space:nowrap}
  .al-open{width:30px;height:30px;border:1px solid var(--line);border-radius:8px;display:grid;
    place-items:center;color:var(--ink-soft);text-decoration:none;font-size:13px;flex-shrink:0}
  .al-open:hover{background:var(--navy);border-color:var(--navy);color:#fff}

  footer{margin-top:28px;display:flex;gap:12px;flex-wrap:wrap;font-size:11px;color:var(--muted)}

  /* ---------- city admin panel ---------- */
  #admin-dlg{border:none;border-radius:var(--r);background:var(--card);color:var(--ink);
    padding:0;width:min(600px,calc(100vw - 32px));box-shadow:0 24px 60px rgba(16,24,40,.24)}
  #admin-dlg::backdrop{background:rgba(15,27,45,.45)}
  .adm-head{display:flex;align-items:center;justify-content:space-between;gap:10px;
    padding:15px 20px;border-bottom:1px solid var(--line)}
  .adm-head h3{font-size:15px;font-weight:700;letter-spacing:-.01em;margin:0}
  .adm-close{font-size:15px;line-height:1;color:var(--muted);padding:4px 8px;border-radius:8px}
  .adm-close:hover{color:var(--ink);background:var(--line-soft)}
  .adm-body{padding:14px 20px 20px;overflow-y:auto;max-height:min(72vh,640px)}
  .adm-note{font-size:12.5px;color:var(--ink-soft);margin:0 0 12px;line-height:1.55}
  .adm-row{display:flex;align-items:center;gap:10px;padding:8px 2px;border-bottom:1px solid var(--line-soft);font-size:13.5px}
  .adm-row .c{font-weight:700;width:38px;font-variant-numeric:tabular-nums}
  .adm-row .n{flex:1;font-weight:600;min-width:0}
  .adm-row .n .g{font-weight:500;font-size:10px;color:var(--muted);letter-spacing:.06em;
    text-transform:uppercase;margin-left:7px}
  .adm-row .t{font-size:11.5px;color:var(--muted);white-space:nowrap}
  .adm-row.gone .c,.adm-row.gone .n,.adm-row.gone .t{text-decoration:line-through;opacity:.4}
  .adm-row .badge{font-size:9.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;
    color:var(--green);background:var(--green-bg);border-radius:999px;padding:2px 7px;margin-left:7px}
  .adm-x{font-size:11px;font-weight:600;border:1px solid var(--line);border-radius:8px;
    padding:4px 10px;color:var(--ink-soft);flex-shrink:0}
  .adm-x:hover{border-color:var(--red);color:var(--red)}
  .adm-row.gone .adm-x:hover{border-color:var(--green);color:var(--green)}
  .adm-add{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;padding:12px;
    border:1px dashed var(--line);border-radius:12px;background:#FAFBFD}
  .adm-add input,.adm-add select,#adm-pass{font:inherit;font-size:12.5px;
    padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--ink)}
  .adm-add input:focus,.adm-add select:focus,#adm-pass:focus{border-color:var(--accent);outline:none}
  #adm-code{width:64px;text-transform:uppercase}
  #adm-name{flex:1;min-width:130px}
  #adm-thr{width:88px}
  .adm-btn{font-size:12px;font-weight:600;border:1px solid var(--line);border-radius:8px;
    padding:8px 14px;background:var(--card);color:var(--ink)}
  .adm-btn:hover{background:var(--line-soft)}
  .adm-btn:disabled{opacity:.4;pointer-events:none}
  .adm-btn.primary{background:var(--navy);border-color:var(--navy);color:#fff}
  .adm-btn.primary:hover{background:#1E2A44}
  .adm-save{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:16px;
    padding-top:14px;border-top:1px solid var(--line)}
  #adm-pass{flex:1;min-width:150px}
  .adm-status{font-size:12.5px;margin-top:10px;min-height:1.3em;line-height:1.5}
  .adm-status.ok{color:var(--green)}
  .adm-status.err{color:var(--red)}

  /* ---------- responsive ---------- */
  @media (max-width:1100px){
    .cols{grid-template-columns:1fr}
  }
  @media (max-width:940px){
    .shell{display:block}
    .sidebar{position:static;width:auto;height:auto;flex-direction:row;align-items:center;gap:8px;
      padding:12px 16px;border-right:none;border-bottom:1px solid var(--line);overflow-x:auto}
    .brand{padding:0;margin-right:6px}
    .b-sub{display:none}
    .nav{flex-direction:row;gap:4px}
    .nav-link{padding:7px 10px;white-space:nowrap}
    .side-foot{margin:0 0 0 auto;padding:0;flex-direction:row;align-items:center}
    .side-note{display:none}
    main{padding:20px 16px 60px}
  }
  @media (max-width:720px){
    .board .hide-sm{display:none}
    .chart-box{height:260px}
    .board th,.board td{padding-left:14px;padding-right:14px}
  }
  @media (prefers-reduced-motion:no-preference){
    .cell,.chip,.dchip,.book,.nav-link,.al-open,.adm-btn,.adm-x{transition:background .12s,color .12s,filter .12s,border-color .12s,box-shadow .12s}
  }

  /* ---------- explore globe ---------- */
  .globe-wrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:0;border-top:1px solid var(--line-soft)}
  .globe-stage{position:relative;height:480px;overflow:hidden;cursor:grab;
    background:radial-gradient(circle at 20% 15%,#FFFFFF 0 2px,transparent 3px) 0 0/46px 46px,
      linear-gradient(135deg,#FFE0F0 0%,#E6DCFF 48%,#CFF6E6 100%);
    border-bottom-left-radius:var(--r)}
  .globe-stage:active{cursor:grabbing}
  .globe-loading{position:absolute;inset:0;display:grid;place-items:center;color:var(--ink-soft);font-size:13px}
  .g-tip{background:rgba(15,27,45,.92);color:#fff;padding:6px 10px;border-radius:8px;font:500 12px var(--sans)}
  .globe-card{padding:18px 18px 16px;border-left:1px solid var(--line-soft);display:flex;flex-direction:column;gap:8px}
  .globe-card select{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:8px;
    font:inherit;font-size:13px;background:var(--card);color:var(--ink)}
  #globe-card{display:flex;flex-direction:column;gap:8px}
  .gc-empty{color:var(--ink-soft);font-size:13px;line-height:1.55;padding:6px 0}
  .gc-head{display:flex;align-items:center;gap:10px;margin-bottom:4px}
  .gc-head .dest-tile{flex-shrink:0}
  .gc-close{margin-left:auto;color:var(--muted);padding:4px 6px;align-self:flex-start}
  .g-none{background:linear-gradient(135deg,#EF4444,#F97316)}
  .gc-h{font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-top:8px}
  .gc-fare,.gc-search{display:flex;align-items:center;justify-content:space-between;gap:10px;text-decoration:none;
    border:1px solid var(--line);border-radius:10px;padding:9px 12px;font-size:13px;font-weight:600}
  .gc-fare b{font-size:16px;color:var(--green)}
  .gc-fare:hover,.gc-search:hover{border-color:var(--accent);background:var(--accent-soft)}
  .gc-go{color:var(--accent);font-size:12.5px;white-space:nowrap}
  .gc-k{font-weight:600}
  .gc-note{font-size:11.5px;color:var(--muted);line-height:1.5;margin-top:4px}
  @media (max-width:940px){
    .globe-wrap{grid-template-columns:1fr}
    .globe-stage{height:380px;border-bottom-left-radius:0}
    .globe-card{border-left:none;border-top:1px solid var(--line-soft)}
  }