:root{
    --bg:#eef1f5;
    --surface:#ffffff;
    --surface-2:#f4f6f9;
    --surface-3:#e6eaf0;
    --border:#d8dee6;
    --border-strong:#c2cad5;
    --text:#1b2430;
    --text-muted:#5c6675;
    --text-faint:#8891a0;
    --accent:#2b6a8e;
    --accent-strong:#1d4e6b;
    --accent-soft:#dbe9f1;
    --good:#1f8a5c;
    --good-soft:#dcf1e6;
    --warn:#b0740f;
    --warn-soft:#f8e9cf;
    --critical:#b0392f;
    --critical-soft:#f7dedb;
    --tele:#9a3f8f;
    --tele-soft:#f2ddef;
    --service:#5c4bb0;
    --service-soft:#e5e0f8;
    --complete:#1f8a5c;
    --complete-soft:#dcf1e6;
    --shadow: 0 1px 2px rgba(20,30,45,.06), 0 6px 20px -8px rgba(20,30,45,.15);
    --radius: 10px;
    --font-display:'IBM Plex Sans Condensed', 'Arial Narrow', sans-serif;
    --font-body:'IBM Plex Sans', system-ui, sans-serif;
    --font-mono:'IBM Plex Mono', ui-monospace, monospace;
  }
  @media (prefers-color-scheme: dark){
    :root:not([data-theme="light"]){
      --bg:#12161d;
      --surface:#1a2029;
      --surface-2:#1f2630;
      --surface-3:#262e3a;
      --border:#323c49;
      --border-strong:#404b59;
      --text:#e8ebf0;
      --text-muted:#a3adbb;
      --text-faint:#707c8c;
      --accent:#6fa8cf;
      --accent-strong:#8fc0e3;
      --accent-soft:#213544;
      --good:#4cbf8a;
      --good-soft:#173226;
      --warn:#d9a441;
      --warn-soft:#3a2c14;
      --critical:#e2776b;
      --critical-soft:#3a1f1c;
      --tele:#d18bc7;
      --tele-soft:#382231;
      --service:#a99bef;
      --service-soft:#28243f;
      --complete:#4cbf8a;
      --complete-soft:#173226;
      --shadow: 0 1px 2px rgba(0,0,0,.3), 0 6px 24px -8px rgba(0,0,0,.5);
    }
  }
  :root[data-theme="dark"]{
    --bg:#12161d;
    --surface:#1a2029;
    --surface-2:#1f2630;
    --surface-3:#262e3a;
    --border:#323c49;
    --border-strong:#404b59;
    --text:#e8ebf0;
    --text-muted:#a3adbb;
    --text-faint:#707c8c;
    --accent:#6fa8cf;
    --accent-strong:#8fc0e3;
    --accent-soft:#213544;
    --good:#4cbf8a;
    --good-soft:#173226;
    --warn:#d9a441;
    --warn-soft:#3a2c14;
    --critical:#e2776b;
    --critical-soft:#3a1f1c;
    --tele:#d18bc7;
    --tele-soft:#382231;
    --service:#a99bef;
    --service-soft:#28243f;
    --complete:#4cbf8a;
    --complete-soft:#173226;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 6px 24px -8px rgba(0,0,0,.5);
  }

  *{box-sizing:border-box;}
  html,body{margin:0;padding:0;}
  body{
    background:var(--bg);
    color:var(--text);
    font-family:var(--font-body);
    font-size:14px;
    line-height:1.45;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3{font-family:var(--font-display); text-wrap:balance; margin:0;}
  ::selection{background:var(--accent-soft);}
  button{font-family:inherit;}
  input,select,textarea{font-family:inherit; color:inherit;}
  a{color:var(--accent);}
  .tabular{font-family:var(--font-mono); font-variant-numeric:tabular-nums;}

  .app{max-width:1720px;margin:0 auto;padding:20px 24px 64px;}

  /* ---------- top bar ---------- */
  .topbar{
    display:flex; align-items:center; gap:14px; flex-wrap:wrap;
    margin-bottom:18px;
  }
  .brand{display:flex; align-items:center; gap:10px; margin-right:8px;}
  .brand-mark{
    height:34px; width:auto; display:block; flex:none;
  }
  .brand-mark-lg{height:60px;}
  .brand-text h1{font-size:19px; font-weight:600; letter-spacing:.2px;}
  .brand-text .sub{font-size:11px; color:var(--text-muted); letter-spacing:.4px; text-transform:uppercase;}

  .site-tabs{
    flex:0 1 auto; min-width:180px;
  }
  .site-select{
    width:100%; border:1px solid var(--border-strong); background:var(--surface); color:var(--text);
    border-radius:10px; padding:9px 12px; font-size:13px; font-weight:600; cursor:pointer;
  }
  .site-select:hover{border-color:var(--accent);}
  .site-select:focus{outline:none; border-color:var(--accent);}

  .icon-btn, .btn{
    border-radius:8px; border:1px solid var(--border-strong); background:var(--surface);
    color:var(--text); padding:8px 12px; font-size:13px; font-weight:500; cursor:pointer;
    display:inline-flex; align-items:center; gap:6px; white-space:nowrap;
  }
  .icon-btn:hover, .btn:hover{border-color:var(--accent); color:var(--accent-strong);}
  .btn-primary{background:var(--accent); border-color:var(--accent); color:#fff;}
  .btn-primary:hover{background:var(--accent-strong); border-color:var(--accent-strong); color:#fff;}
  .btn-ghost{border-color:transparent; background:transparent;}
  .btn-ghost:hover{background:var(--surface-3); border-color:transparent; color:var(--text);}
  .btn-danger{color:var(--critical); border-color:var(--critical);}
  .btn-danger:hover{background:var(--critical-soft); color:var(--critical); border-color:var(--critical);}
  .btn-sm{padding:5px 9px; font-size:12px;}

  .date-nav{display:flex; align-items:center; gap:4px; background:var(--surface); border:1px solid var(--border-strong); border-radius:10px; padding:4px;}
  .date-nav input[type=date]{border:none; background:transparent; font-size:13px; color:var(--text); font-family:var(--font-mono); padding:4px 2px; width:132px;}
  .date-nav button{border:none; background:transparent; width:28px;height:28px;border-radius:6px; cursor:pointer; color:var(--text-muted); font-size:15px; display:flex; align-items:center; justify-content:center;}
  .date-nav button:hover{background:var(--surface-3); color:var(--text);}

  .view-toggle{display:flex; background:var(--surface-2); border:1px solid var(--border); border-radius:10px; padding:4px;}
  .view-toggle button{border:none; background:transparent; padding:7px 14px; border-radius:7px; font-size:13px; font-weight:600; color:var(--text-muted); cursor:pointer;}
  .view-toggle button.active{background:var(--accent); color:#fff;}

  .readonly-banner{
    background:var(--warn-soft); color:var(--warn); border:1px solid var(--warn);
    border-radius:8px; padding:8px 14px; font-size:12.5px; font-weight:500; margin-bottom:16px;
    display:flex; align-items:center; gap:8px;
  }

  /* ---------- KPI dashboard ---------- */
  .dash{display:grid; grid-template-columns: 1.35fr 1fr; gap:14px; margin-bottom:18px;}
  @media (max-width: 880px){ .dash{grid-template-columns:1fr;} }
  .card{background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); box-shadow:var(--shadow);}
  .bars-card{padding:16px 20px;}
  .bar-row{display:grid; grid-template-columns: 190px 1fr 78px; align-items:center; gap:12px; padding:7px 0;}
  .bar-row + .bar-row{border-top:1px solid var(--border);}
  .bar-label{font-size:12.5px; color:var(--text-muted); font-weight:500;}
  .bar-track{position:relative; height:9px; border-radius:5px; background:var(--surface-3); overflow:hidden;}
  .bar-fill{position:absolute; inset:0 auto 0 0; border-radius:5px; background:var(--good); transition:width .3s ease;}
  .bar-fill.over{background:var(--critical);}
  .bar-fill.warn{background:var(--warn);}
  .bar-count{font-size:12px; text-align:right; white-space:nowrap;}
  .bar-count b{font-size:13px;}
  .bar-count .over-num{color:var(--critical); font-weight:700;}

  .circles-card{display:flex; padding:14px 8px;}
  .circle-col{flex:1; display:flex; flex-direction:column; align-items:center; gap:8px; padding:8px 4px;}
  .circle-col + .circle-col{border-left:1px solid var(--border);}
  .circle-title{font-size:12px; text-transform:uppercase; letter-spacing:.6px; color:var(--text-muted); font-weight:600;}
  .ring{position:relative; width:84px; height:84px;}
  .ring svg{transform:rotate(-90deg);}
  .ring-pct{position:absolute; inset:0; display:flex; align-items:center; justify-content:center; font-family:var(--font-mono); font-weight:600; font-size:18px;}
  .ring-frac{font-size:11px; color:var(--text-muted); font-family:var(--font-mono);}

  /* ---------- section heading ---------- */
  .section-head{display:flex; align-items:center; justify-content:space-between; margin:22px 0 10px;}
  .section-head h2{font-size:16px; font-weight:600;}
  .section-head .meta{font-size:12.5px; color:var(--text-muted);}

  /* ---------- table ---------- */
  .table-wrap{overflow-x:auto; border:1px solid var(--border); border-radius:var(--radius); background:var(--surface); box-shadow:var(--shadow);}
  table{border-collapse:collapse; width:100%; min-width:1180px;}
  thead th{
    background:var(--surface-2); color:var(--text-muted); text-transform:uppercase; letter-spacing:.4px;
    font-size:10.5px; font-weight:600; text-align:left; padding:10px 10px; border-bottom:1px solid var(--border);
    white-space:nowrap; position:sticky; top:0;
  }
  tbody td{padding:6px 8px; border-bottom:1px solid var(--border); vertical-align:middle;}
  tbody tr:last-child td{border-bottom:none;}
  tbody tr.is-cancelled{background:var(--surface-2);}
  tbody tr.is-cancelled input, tbody tr.is-cancelled select{color:var(--text-faint) !important; text-decoration:line-through;}
  tbody tr.is-draft{background:var(--accent-soft);}

  .cell-input, .cell-select{
    width:100%; border:1px solid transparent; background:transparent; border-radius:6px;
    padding:6px 7px; font-size:12.5px; color:var(--text);
  }
  .cell-input::placeholder{color:var(--text-faint);}
  .cell-input:hover, .cell-select:hover{border-color:var(--border-strong); background:var(--surface-2);}
  .cell-input:focus, .cell-select:focus{outline:none; border-color:var(--accent); background:var(--surface);}
  textarea.cell-input{resize:vertical; min-height:34px;}
  .w-jobtype{width:100px;}
  .w-name{width:150px;}
  .w-contact{width:128px;}
  .w-reg{width:96px; font-family:var(--font-mono); text-transform:uppercase;}
  .w-work{width:260px;}
  .w-other{width:150px;}
  .w-time{width:82px; font-family:var(--font-mono);}
  .w-hours{width:72px; font-family:var(--font-mono); text-align:right;}
  .w-notes{width:220px;}
  .time-pair{display:flex; flex-direction:column; gap:2px;}
  .status-pill-select{border-radius:999px; font-weight:600; font-size:12px; padding:6px 10px; border:1px solid; width:auto; text-align:center;}
  .status-service{color:var(--service); background:var(--service-soft); border-color:var(--service);}
  .status-tele{color:var(--tele); background:var(--tele-soft); border-color:var(--tele);}
  .status-complete{color:var(--complete); background:var(--complete-soft); border-color:var(--complete);}
  .status-cancelled{color:var(--critical); background:var(--critical-soft); border-color:var(--critical);}
  .row-actions{display:flex; gap:8px; align-items:center; justify-content:flex-end; padding-right:4px;}
  .info-hover{
    display:inline-flex; align-items:center; justify-content:center; width:18px; height:18px;
    border-radius:999px; color:var(--text-faint); font-size:12px; cursor:help; flex:none;
  }
  .info-hover:hover{color:var(--accent); background:var(--surface-3);}

  .add-row-btn{
    width:34px;height:34px;border-radius:8px;border:none;background:var(--good);color:#fff;
    font-size:19px; cursor:pointer; display:flex;align-items:center;justify-content:center; line-height:1;
  }
  .add-row-btn:hover{filter:brightness(1.08);}

  .empty-state{padding:34px 20px; text-align:center; color:var(--text-muted); font-size:13px;}

  /* ---------- overview tab ---------- */
  .ov-summary{display:flex; gap:14px; margin-bottom:14px; flex-wrap:wrap;}
  .ov-stat{background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:12px 18px; box-shadow:var(--shadow); min-width:120px;}
  .ov-stat .n{font-family:var(--font-mono); font-size:22px; font-weight:600;}
  .ov-stat .l{font-size:11.5px; color:var(--text-muted); text-transform:uppercase; letter-spacing:.4px;}

  .ov-list{display:flex; flex-direction:column; gap:8px;}
  .ov-row{
    display:grid; grid-template-columns: 64px 1fr 1fr 160px 150px 190px; gap:14px; align-items:center;
    background:var(--surface); border:1px solid var(--border); border-left:4px solid var(--border-strong);
    border-radius:9px; padding:12px 16px; box-shadow:var(--shadow);
  }
  .ov-row.late{border-left-color:var(--critical);}
  .ov-row.arrived-row{border-left-color:var(--good);}
  .ov-row.cancelled-row{opacity:.55;}
  @media (max-width:900px){ .ov-row{grid-template-columns:1fr 1fr; grid-auto-rows:auto;} }
  .ov-time{font-family:var(--font-mono); font-size:15px; font-weight:600;}
  .ov-time .lbl{display:block; font-size:10px; color:var(--text-muted); font-weight:400; text-transform:uppercase; letter-spacing:.4px;}
  .ov-cust{font-weight:600; font-size:14px;}
  .ov-sub{font-size:12px; color:var(--text-muted); margin-top:2px;}
  .ov-work{font-size:12.5px; color:var(--text-muted);}
  .ov-status-chip{display:inline-block; font-size:11px; font-weight:600; padding:3px 9px; border-radius:999px; border:1px solid;}
  .ov-arrive{display:flex; align-items:center; gap:10px; justify-content:flex-end;}
  .arrive-toggle{
    display:flex; align-items:center; gap:8px; cursor:pointer; user-select:none;
    border:1px solid var(--border-strong); border-radius:8px; padding:8px 12px; background:var(--surface-2);
  }
  .arrive-toggle.checked{background:var(--good-soft); border-color:var(--good); color:var(--good);}
  .arrive-toggle input{width:17px; height:17px; accent-color:var(--good); cursor:pointer;}
  .arrive-time{font-size:11px; color:var(--text-muted); font-family:var(--font-mono);}

  /* ---------- modal ---------- */
  .modal-backdrop{
    position:fixed; inset:0; background:rgba(15,20,28,.5); display:flex; align-items:flex-start;
    justify-content:center; padding:6vh 16px; z-index:50; overflow-y:auto;
  }
  .modal{
    background:var(--surface); border-radius:14px; width:min(720px, 100%); box-shadow:0 20px 60px -12px rgba(0,0,0,.4);
    border:1px solid var(--border);
  }
  .modal-head{display:flex; align-items:center; justify-content:space-between; padding:18px 22px; border-bottom:1px solid var(--border);}
  .modal-head h2{font-size:17px;}
  .modal-body{padding:18px 22px; max-height:60vh; overflow-y:auto;}
  .modal-foot{display:flex; justify-content:flex-end; gap:10px; padding:16px 22px; border-top:1px solid var(--border);}
  .close-x{border:none; background:transparent; font-size:20px; cursor:pointer; color:var(--text-muted); width:30px;height:30px;border-radius:7px;}
  .close-x:hover{background:var(--surface-3); color:var(--text);}

  .site-edit-row{display:grid; grid-template-columns: 1.4fr repeat(5, 66px) 34px; gap:8px; align-items:center; padding:10px 0; border-bottom:1px solid var(--border);}
  .site-edit-row:last-of-type{border-bottom:none;}
  .site-edit-row input[type=text]{padding:8px 9px; border:1px solid var(--border-strong); border-radius:7px; background:var(--surface-2); font-weight:600; font-size:13px;}
  .site-edit-row input[type=number]{padding:8px 4px; border:1px solid var(--border-strong); border-radius:7px; background:var(--surface-2); text-align:center; font-family:var(--font-mono); font-size:12.5px;}
  .target-head{display:grid; grid-template-columns: 1.4fr repeat(5, 66px) 34px; gap:8px; padding:0 0 6px; font-size:10px; text-transform:uppercase; letter-spacing:.3px; color:var(--text-muted); font-weight:600; text-align:center;}
  .target-head span:first-child{text-align:left;}
  .del-site-btn{border:none; background:transparent; color:var(--text-faint); cursor:pointer; font-size:16px; width:30px;height:30px;border-radius:7px;}
  .del-site-btn:hover{background:var(--critical-soft); color:var(--critical);}

  /* ---------- users modal ---------- */
  .user-edit-row{border:1px solid var(--border); border-radius:10px; padding:12px 14px; background:var(--surface-2); margin-bottom:10px;}
  .user-edit-row:last-child{margin-bottom:0;}
  .user-edit-top{display:grid; grid-template-columns: 1.2fr 1fr 1fr 100px 34px; gap:8px; align-items:center; margin-bottom:9px;}
  @media (max-width:640px){ .user-edit-top{grid-template-columns:1fr 1fr; grid-auto-rows:auto;} }
  .user-edit-top input[type=text], .user-edit-top select{
    padding:8px 9px; border:1px solid var(--border-strong); border-radius:7px; background:var(--surface); font-size:12.5px; color:var(--text);
  }
  .site-chip-row{display:flex; flex-wrap:wrap; gap:6px;}
  .site-chip-check{
    display:flex; align-items:center; gap:5px; font-size:11.5px; background:var(--surface);
    border:1px solid var(--border-strong); border-radius:999px; padding:4px 10px; cursor:pointer;
  }
  .site-chip-check.disabled{opacity:.5; cursor:default;}
  .site-chip-check input{accent-color:var(--accent); cursor:pointer;}

  /* ---------- auth ---------- */
  .login-wrap{min-height:100vh; display:flex; align-items:center; justify-content:center; padding:24px;}
  .login-card{
    width:min(380px, 100%); background:var(--surface); border:1px solid var(--border); border-radius:16px;
    box-shadow:var(--shadow); padding:30px 28px;
  }
  .login-field{display:flex; flex-direction:column; gap:5px; margin-bottom:14px; font-size:12.5px; color:var(--text-muted); font-weight:500;}
  .login-field input{
    padding:10px 11px; border:1px solid var(--border-strong); border-radius:8px; background:var(--surface-2);
    font-size:14px; color:var(--text); width:100%;
  }
  .login-field input:focus{outline:none; border-color:var(--accent); background:var(--surface);}
  .login-error{background:var(--critical-soft); color:var(--critical); border-radius:7px; padding:8px 10px; font-size:12.5px; margin-bottom:12px;}
  .no-access-note{text-align:center; color:var(--text-muted); font-size:13.5px; line-height:1.5; margin:6px 0 18px;}

  .user-chip{display:flex; align-items:center; gap:8px; margin-left:auto;}
  .user-name{font-size:13px; font-weight:600;}
  .role-badge{font-size:10px; font-weight:700; text-transform:uppercase; letter-spacing:.4px; padding:3px 8px; border-radius:999px;}
  .role-badge.admin{color:var(--accent-strong); background:var(--accent-soft);}
  .role-badge.staff{color:var(--text-muted); background:var(--surface-3);}

  /* ---------- workshop notes ---------- */
  .info-box{
    background:var(--warn-soft); border:1px solid var(--warn); border-radius:var(--radius);
    padding:10px 16px 12px; margin-bottom:16px;
  }
  .info-box-head{font-size:11.5px; font-weight:700; text-transform:uppercase; letter-spacing:.4px; color:var(--warn); margin-bottom:6px;}
  .info-box-text{
    width:100%; border:1px solid transparent; background:transparent; border-radius:7px; resize:vertical;
    min-height:38px; padding:6px 7px; font-family:inherit; font-size:13px; color:var(--text); line-height:1.45;
  }
  .info-box-text::placeholder{color:var(--text-faint);}
  .info-box-text:hover{border-color:var(--border-strong); background:var(--surface);}
  .info-box-text:focus{outline:none; border-color:var(--warn); background:var(--surface);}

  /* ---------- activity log ---------- */
  .log-list{display:flex; flex-direction:column; gap:2px;}
  .log-row{display:grid; grid-template-columns:150px 1fr; gap:14px; padding:10px 0; border-bottom:1px solid var(--border);}
  .log-row:last-child{border-bottom:none;}
  .log-when{font-size:11.5px; color:var(--text-muted);}
  .log-body{display:flex; flex-direction:column; gap:3px;}
  .log-tag{display:inline-flex; align-self:flex-start; font-size:10.5px; font-weight:700; text-transform:uppercase; letter-spacing:.3px; padding:2px 8px; border-radius:999px;}
  .log-created{color:var(--good); background:var(--good-soft);}
  .log-updated{color:var(--accent); background:var(--accent-soft);}
  .log-deleted{color:var(--critical); background:var(--critical-soft);}
  .log-summary{font-size:13px;}
  .log-meta{font-size:11.5px; color:var(--text-faint);}

  .toast{
    position:fixed; bottom:22px; left:50%; transform:translateX(-50%); background:var(--text); color:var(--bg);
    padding:10px 18px; border-radius:9px; font-size:12.5px; font-weight:500; box-shadow:var(--shadow); z-index:100;
    opacity:0; pointer-events:none; transition:opacity .25s ease;
  }
  .toast.show{opacity:1;}

  .footer-note{margin-top:26px; font-size:11.5px; color:var(--text-faint); text-align:center;}