/* ===== Original design (Tz mobile ERP index.html) - copied verbatim ===== */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+Thai:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

  :root{
    --ink:#12161C;
    --paper:#EDF0EE;
    --surface:#FFFFFF;
    --line:#D6DBD8;
    --muted:#5B6461;
    --accent:#1F6F5C;
    --accent-dark:#153F35;
    --accent-soft:#E2EEE9;
    --gold:#9C7A0E;
    --gold-soft:#F5EEDA;
    --rust:#A83E28;
    --rust-soft:#F6E4DE;
    --radius:6px;
  }
  *{box-sizing:border-box;}
  html,body{margin:0;padding:0;}
  body{
    background:var(--paper);
    color:var(--ink);
    font-family:'IBM Plex Sans Thai','Noto Sans Thai',sans-serif;
    font-size:14px;
    line-height:1.5;
  }
  .mono{font-family:'IBM Plex Mono',monospace;}
  #app{min-height:100vh;display:flex;}

  /* ---- Sidebar ---- */
  .sidebar{
    width:230px;flex:0 0 230px;
    background:var(--ink);
    color:#EDF0EE;
    display:flex;flex-direction:column;
    padding:20px 0;
    position:sticky;top:0;height:100vh;
  }
  .brand{
    padding:0 20px 18px 20px;
    border-bottom:1px solid #2A3138;
    margin-bottom:8px;
  }
  .brand-name{font-size:16px;font-weight:600;letter-spacing:.2px;}
  .brand-sub{font-size:11.5px;color:#93A099;margin-top:3px;}
  nav{flex:1;display:flex;flex-direction:column;gap:1px;margin-top:6px;}
  .nav-item{
    padding:10px 20px;
    color:#C5CCC8;
    cursor:pointer;
    font-size:13.5px;
    border-left:3px solid transparent;
    display:flex;align-items:center;gap:9px;
  }
  .nav-item:hover{background:#1B2129;color:#fff;}
  .nav-item.active{background:#1B2129;color:#fff;border-left-color:var(--accent);font-weight:600;}
  .nav-dot{width:6px;height:6px;border-radius:50%;background:#4A5550;flex:0 0 auto;}
  .nav-item.active .nav-dot{background:var(--accent);}
  .sidebar-foot{padding:14px 20px 0 20px;border-top:1px solid #2A3138;margin-top:6px;}
  .staff-label{font-size:10.5px;color:#8C978F;text-transform:none;margin-bottom:4px;}
  .staff-input{
    width:100%;background:#1B2129;border:1px solid #2A3138;color:#fff;
    border-radius:4px;padding:6px 8px;font-size:12.5px;font-family:inherit;
  }

  /* ---- Main ---- */
  .main{flex:1;min-width:0;padding:26px 32px 60px 32px;}
  .topbar{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:22px;flex-wrap:wrap;gap:12px;}
  .page-title{font-size:21px;font-weight:700;}
  .page-sub{color:var(--muted);font-size:12.5px;margin-top:2px;}
  .branch-filter select{
    padding:7px 10px;border-radius:5px;border:1px solid var(--line);background:var(--surface);
    font-family:inherit;font-size:13px;color:var(--ink);
  }

  /* ---- Cards / grid ---- */
  .cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:22px;}
  @media(max-width:1000px){.cards{grid-template-columns:repeat(2,1fr);}}
  .card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px 16px;}
  .card-label{font-size:12px;color:var(--muted);margin-bottom:6px;}
  .card-value{font-size:22px;font-weight:700;font-family:'IBM Plex Mono',monospace;}
  .card-value.pos{color:var(--accent-dark);}
  .card-value.neg{color:var(--rust);}
  .card-note{font-size:11.5px;color:var(--muted);margin-top:4px;}

  .panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:20px;overflow:hidden;}
  .panel-head{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line);flex-wrap:wrap;gap:10px;}
  .panel-title{font-size:14.5px;font-weight:600;}
  .panel-body{padding:16px 18px;}
  .panel-body.flush{padding:0;}

  table{width:100%;border-collapse:collapse;font-size:13px;}
  th{
    text-align:left;padding:9px 14px;color:var(--muted);font-weight:600;
    font-size:11.5px;border-bottom:1px solid var(--line);white-space:nowrap;
  }
  td{padding:9px 14px;border-bottom:1px solid #EEF1EF;vertical-align:middle;}
  tr:last-child td{border-bottom:none;}
  tr:hover td{background:#FAFBFA;}
  .num{font-family:'IBM Plex Mono',monospace;text-align:right;}
  .empty-row td{text-align:center;color:var(--muted);padding:26px;}

  .tag{display:inline-block;padding:2px 9px;border-radius:99px;font-size:11px;font-weight:600;}
  .tag.instock{background:var(--accent-soft);color:var(--accent-dark);}
  .tag.sold{background:#EAEAEA;color:#666;}
  .tag.out{background:var(--rust-soft);color:var(--rust);}
  .tag.pending{background:var(--gold-soft);color:var(--gold);}
  .tag.partial{background:#EAF1FB;color:#33499C;}
  .tag.partial-overdue{background:var(--rust-soft);color:var(--rust);}
  .tag.paid{background:var(--accent-soft);color:var(--accent-dark);}
  .tag.overdue{background:var(--rust-soft);color:var(--rust);}
  .tag.cash{background:#E7ECFB;color:#33499C;}
  .tag.transfer{background:var(--accent-soft);color:var(--accent-dark);}
  .tag.installment{background:var(--gold-soft);color:var(--gold);}

  button{font-family:inherit;cursor:pointer;}
  .btn{
    background:var(--ink);color:#fff;border:none;padding:8px 14px;border-radius:5px;
    font-size:13px;font-weight:500;
  }
  .btn:hover{background:#000;}
  .btn.primary{background:var(--accent);}
  .btn.primary:hover{background:var(--accent-dark);}
  .btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line);}
  .btn.ghost:hover{background:#F2F4F2;}
  .btn.danger{background:transparent;color:var(--rust);border:1px solid #E5C4BA;}
  .btn.danger:hover{background:var(--rust-soft);}
  .btn.small{padding:5px 10px;font-size:12px;}
  .link-btn{background:none;border:none;color:var(--accent-dark);font-size:12.5px;text-decoration:underline;padding:0;}

  .toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;}
  .toolbar input[type=text], .toolbar select{
    padding:7px 10px;border-radius:5px;border:1px solid var(--line);font-family:inherit;font-size:13px;background:#fff;
  }

  /* ---- Modal ---- */
  .modal-backdrop{
    position:fixed;inset:0;background:rgba(18,22,28,.45);display:flex;align-items:flex-start;justify-content:center;
    padding:40px 16px;overflow-y:auto;z-index:50;
  }
  .modal{background:#fff;border-radius:8px;width:100%;max-width:520px;padding:22px 24px 24px 24px;}
  .modal h3{margin:0 0 4px 0;font-size:16.5px;}
  .modal .modal-sub{font-size:12.5px;color:var(--muted);margin-bottom:16px;}
  .form-row{margin-bottom:12px;}
  .form-row label{display:block;font-size:12.5px;color:var(--muted);margin-bottom:4px;}
  .form-row input:not([type=checkbox]):not([type=radio]), .form-row select, .form-row textarea{
    width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:5px;font-family:inherit;font-size:13.5px;background:#fff;
  }
  .form-row input[type=checkbox], .form-row input[type=radio]{width:auto;padding:0;border:none;}
  .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 12px;}
  .form-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:18px;}
  .hint{font-size:11.5px;color:var(--muted);margin-top:4px;}
  .radio-row{display:flex;gap:16px;padding:4px 0;}
  .radio-row label{display:flex;align-items:center;gap:6px;font-size:13.5px;color:var(--ink);}
  .radio-stack{display:block;padding:2px 0;}
  .radio-stack label{
    display:block;font-size:13.5px;color:var(--ink);
    border:1px solid var(--line);border-radius:6px;padding:10px 12px;margin-bottom:8px;
    cursor:pointer;box-sizing:border-box;width:100%;
  }
  .radio-stack label:last-child{margin-bottom:0;}
  .radio-stack label:has(input:checked){border-color:var(--accent);background:var(--accent-soft);}
  .radio-stack input{margin-right:8px;vertical-align:middle;}
  .check-chip-row{display:flex;flex-wrap:wrap;gap:8px;padding:2px 0;}
  .check-chip{
    display:inline-block;border:1px solid var(--line);border-radius:99px;
    padding:6px 12px;font-size:13px;color:var(--ink);cursor:pointer;white-space:nowrap;
  }
  .check-chip input{margin-right:6px;vertical-align:middle;}
  .check-chip:has(input:checked){border-color:var(--accent);background:var(--accent-soft);}
  .preview-box{background:var(--paper);border:1px solid var(--line);border-radius:5px;padding:10px 12px;font-size:12.5px;margin-top:6px;}
  .preview-box .row{display:flex;justify-content:space-between;padding:2px 0;}

  .toast{
    position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;
    padding:10px 18px;border-radius:6px;font-size:13px;z-index:80;opacity:0;transition:opacity .25s;pointer-events:none;
  }
  .toast.show{opacity:1;}

  .mobile-tabs{display:none;}
  @media(max-width:820px){
    #app{flex-direction:column;}
    .sidebar{width:100%;flex:none;height:auto;position:relative;flex-direction:row;align-items:center;padding:12px 14px;overflow-x:auto;}
    .brand{border:none;padding:0 14px 0 0;margin:0;flex:0 0 auto;}
    nav{flex-direction:row;flex:none;margin:0;}
    .nav-item{border-left:none;border-bottom:3px solid transparent;padding:8px 12px;white-space:nowrap;}
    .nav-item.active{border-bottom-color:var(--accent);}
    .sidebar-foot{display:none;}
    .main{padding:18px 16px 50px 16px;}
    .cards{grid-template-columns:1fr 1fr;}
  }
  .loading-screen{padding:60px;text-align:center;color:var(--muted);}

/* ===== Web-app additions (login, permissions, server paging, select2) ===== */
.panel-body.flush{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.card-note,.card-label,.modal-sub,.hint,.page-sub{overflow-wrap:break-word;word-break:break-word;}
#tabContent{transition:opacity .15s;}
#tabContent.is-loading{opacity:.55;}
.btn[disabled],.link-btn[disabled]{opacity:.45;cursor:not-allowed;}
.modal-backdrop{align-items:flex-start;}
.modal{margin:auto;animation:modalIn .16s ease-out;}
@keyframes modalIn{from{opacity:0;transform:scale(.97);}to{opacity:1;transform:none;}}
.modal.wide{max-width:760px;}
.err-box{padding:28px;text-align:center;color:var(--rust);}
.muted{color:var(--muted);}
.nowrap{white-space:nowrap;}

/* pager */
.pager{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;padding:10px 14px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted);background:var(--surface);}
.pager-ctrl{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.pager-ctrl .s2{min-width:0;padding:4px 8px;font-size:12px;}

/* sidebar user box */
.user-box{background:#1B2129;border:1px solid #2A3138;border-radius:5px;padding:8px 10px;margin-bottom:8px;}
.user-name{font-size:13px;font-weight:600;color:#fff;line-height:1.35;overflow-wrap:anywhere;}
.user-role{font-size:11.5px;color:#8FD9BE;margin-top:2px;overflow-wrap:anywhere;}
.user-actions{display:flex;gap:10px;flex-wrap:wrap;}
.user-actions .link-btn{color:#C5CCC8;font-size:11.5px;}
.mobile-userbar{display:none;}
@media(max-width:820px){
  .mobile-userbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-size:12px;color:var(--muted);width:100%;}
  .mobile-userbar strong{color:var(--ink);}
}

/* login */
.login-wrap{min-height:100vh;width:100%;display:flex;align-items:center;justify-content:center;background:var(--paper);padding:20px 16px;box-sizing:border-box;}
.login-card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:34px 28px;width:100%;max-width:360px;text-align:center;}
.login-card .form-row{text-align:left;}
.login-brand{font-size:12px;color:var(--accent-dark);font-weight:600;letter-spacing:.3px;margin-bottom:6px;}
.login-err{color:var(--rust);font-size:12.5px;margin:4px 0 12px 0;}
.demo-box{margin-top:18px;border-top:1px dashed var(--line);padding-top:14px;text-align:left;}
.demo-box .hint{margin:0 0 8px 0;}
.demo-chip{display:flex;justify-content:space-between;align-items:center;width:100%;border:1px solid var(--line);background:var(--paper);border-radius:6px;padding:8px 10px;margin-bottom:6px;font-size:12.5px;text-align:left;}
.demo-chip:hover{border-color:var(--accent);background:var(--accent-soft);}
.demo-chip .mono{font-size:12px;color:var(--muted);}

/* users & permissions */
.perm-matrix{min-width:560px;}
.perm-matrix th{white-space:normal;vertical-align:bottom;}
.perm-matrix th.role-col{text-align:center;min-width:110px;}
.perm-matrix td.cell{text-align:center;}
.perm-matrix tr.grp td{background:var(--paper);font-weight:600;font-size:12px;color:var(--ink);}
.perm-matrix input[type=checkbox]{width:17px;height:17px;accent-color:var(--accent);cursor:pointer;}
.perm-matrix input[type=checkbox]:disabled{cursor:not-allowed;}
.role-links{display:block;margin-top:4px;font-weight:400;}
.role-links .link-btn{font-size:11.5px;}
.tag.role{background:var(--paper);color:var(--ink);}
.tag.inactive{background:#EAEAEA;color:#666;}
.sticky-save{position:sticky;bottom:0;background:var(--surface);border-top:1px solid var(--line);padding:10px 14px;display:flex;justify-content:flex-end;gap:8px;align-items:center;}

/* searchable dropdown (select2 style) — every <select> is upgraded by js/select2.js */
.s2{display:inline-flex;align-items:center;justify-content:space-between;gap:8px;min-width:0;max-width:100%;padding:7px 10px;border:1px solid var(--line);border-radius:5px;background:#fff;color:var(--ink);font-family:inherit;font-size:13px;line-height:1.4;cursor:pointer;user-select:none;box-sizing:border-box;text-align:left;vertical-align:middle;}
.s2-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0;flex:1 1 auto;}
.s2-arrow{width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid var(--muted);flex:0 0 auto;}
.s2:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft);}
.s2.open{border-color:var(--accent);}
.s2.is-disabled{opacity:.55;cursor:not-allowed;}
.form-row .s2{display:flex;width:100%;padding:8px 10px;font-size:13.5px;}
.toolbar .s2{min-width:150px;}
.branch-filter .s2{min-width:170px;padding:7px 10px;border-radius:5px;}
.s2-panel{position:fixed;z-index:200;background:#fff;border:1px solid var(--line);border-radius:6px;box-shadow:0 12px 32px rgba(18,22,28,.18);display:flex;flex-direction:column;overflow:hidden;font-size:13px;}
.s2-search{margin:8px 8px 4px 8px;padding:7px 10px;border:1px solid var(--line);border-radius:5px;font-family:inherit;font-size:13px;outline:none;}
.s2-search:focus{border-color:var(--accent);}
.s2-list{overflow-y:auto;padding:4px 0;}
.s2-opt{padding:8px 12px;cursor:pointer;line-height:1.35;overflow-wrap:anywhere;}
.s2-opt.active{background:var(--accent-soft);}
.s2-opt.selected{font-weight:600;color:var(--accent-dark);}
.s2-opt.disabled{color:#AAA;cursor:not-allowed;}
.s2-empty{padding:10px 12px;color:var(--muted);font-size:12.5px;}
/* mobile: inline grid-template-columns on .cards would otherwise squeeze 3-5 cards into one row */
@media(max-width:820px){
  .cards{grid-template-columns:1fr 1fr !important;}
  .form-grid{grid-template-columns:1fr;}
  .panel-head .toolbar{width:100%;}
}
/* phones/tablets: wide tables scroll sideways instead of squeezing every column */
@media(max-width:820px){
  .panel-body.flush > table:has(thead th:nth-child(6)){min-width:760px;}
  .panel-body.flush > table:has(thead th:nth-child(10)){min-width:980px;}
  .panel-body.flush > table td:first-child{white-space:nowrap;}
}
/* status pills / buttons never wrap (narrow table columns) */
.tag,.btn{white-space:nowrap;}