:root{
    --bg:#F5F6F8; --surface:#FFFFFF; --surface-alt:#EEF1F4; --border:#D8DDE3;
    --text:#1A2028; --text-muted:#5B6472; --text-faint:#88919C;
    --accent:#1F5C6B; --accent-contrast:#FFFFFF; --accent-soft:#E3EEF0;
    --success:#2E7D5B; --success-soft:#E4F3EC;
    --warning:#B8752B; --warning-soft:#FBEDDD;
    --danger:#B0402E; --danger-soft:#FBE7E2;
    --shadow: 0 8px 28px rgba(20,26,34,.14);
    --tag1-bg:#E4E6FB; --tag1-fg:#4147B0; --tag2-bg:#F5E3F3; --tag2-fg:#954C90;
    --tag3-bg:#DFF3F5; --tag3-fg:#1D7A87; --tag4-bg:#FBE9DE; --tag4-fg:#B15A2E;
    --tag5-bg:#E0EEFB; --tag5-fg:#2C6FA8; --tag6-bg:#E7F0DD; --tag6-fg:#4F7A2E;
    --tag7-bg:#ECE7F8; --tag7-fg:#6A4FA0; --tag8-bg:#FBE3E9; --tag8-fg:#A8436A;
  }
  @media (prefers-color-scheme: dark){
    :root:not([data-theme="light"]){
      --bg:#12161C; --surface:#1A2028; --surface-alt:#212933; --border:#2E3A46;
      --text:#E7EBEF; --text-muted:#9AA6B2; --text-faint:#6B7684;
      --accent:#59A9BD; --accent-contrast:#0B1116; --accent-soft:#1E323A;
      --success:#4CAE84; --success-soft:#153627;
      --warning:#D99A4E; --warning-soft:#392A14;
      --danger:#D97563; --danger-soft:#391E1A;
      --shadow: 0 8px 28px rgba(0,0,0,.45);
      --tag1-bg:#262A4A; --tag1-fg:#9AA0F0; --tag2-bg:#3A2A38; --tag2-fg:#D79BD1;
      --tag3-bg:#1F3638; --tag3-fg:#7FD6E0; --tag4-bg:#3A2A1E; --tag4-fg:#E3A87A;
      --tag5-bg:#1F2E3E; --tag5-fg:#8FC1EE; --tag6-bg:#29331E; --tag6-fg:#AACB7E;
      --tag7-bg:#2D2740; --tag7-fg:#B7A4E0; --tag8-bg:#3A2130; --tag8-fg:#E496B2;
    }
  }
  :root[data-theme="dark"]{
    --bg:#12161C; --surface:#1A2028; --surface-alt:#212933; --border:#2E3A46;
    --text:#E7EBEF; --text-muted:#9AA6B2; --text-faint:#6B7684;
    --accent:#59A9BD; --accent-contrast:#0B1116; --accent-soft:#1E323A;
    --success:#4CAE84; --success-soft:#153627;
    --warning:#D99A4E; --warning-soft:#392A14;
    --danger:#D97563; --danger-soft:#391E1A;
    --shadow: 0 8px 28px rgba(0,0,0,.45);
    --tag1-bg:#262A4A; --tag1-fg:#9AA0F0; --tag2-bg:#3A2A38; --tag2-fg:#D79BD1;
    --tag3-bg:#1F3638; --tag3-fg:#7FD6E0; --tag4-bg:#3A2A1E; --tag4-fg:#E3A87A;
    --tag5-bg:#1F2E3E; --tag5-fg:#8FC1EE; --tag6-bg:#29331E; --tag6-fg:#AACB7E;
    --tag7-bg:#2D2740; --tag7-fg:#B7A4E0; --tag8-bg:#3A2130; --tag8-fg:#E496B2;
  }
  *{box-sizing:border-box;}
  body{margin:0;background:var(--bg);color:var(--text);font-family:'IBM Plex Sans',system-ui,sans-serif;font-size:14px;line-height:1.45;}
  .mono{font-family:'IBM Plex Mono',ui-monospace,monospace; font-variant-numeric:tabular-nums;}
  button, input, select{font-family:inherit;font-size:inherit;color:inherit;}
  button{cursor:pointer;}
  button:focus-visible, input:focus-visible, select:focus-visible, [tabindex]:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
  ::selection{background:var(--accent-soft);}

  /* ---------- Login ---------- */
  #login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:
    radial-gradient(1200px 600px at 15% -10%, var(--accent-soft), transparent 60%), var(--bg);}
  .login-card{width:360px;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:36px 32px;box-shadow:var(--shadow);}
  .login-brand{display:flex;align-items:center;gap:12px;margin-bottom:28px;}
  .login-brand .brand-logo-chip{padding:9px 12px;border-radius:10px;}
  .login-brand .brand-logo{height:42px;}
  .login-brand .name{font-weight:600;font-size:16px;}
  .login-brand .sub{font-size:12px;color:var(--text-muted);}
  .brand-logo-chip{background:#fff;border-radius:8px;padding:5px 9px;display:flex;align-items:center;flex-shrink:0;line-height:0;}
  .brand-logo{display:block;height:26px;width:auto;}
  .field{margin-bottom:16px;}
  .field label{display:block;font-size:12px;color:var(--text-muted);margin-bottom:6px;letter-spacing:.01em;}
  .field input, .field select{width:100%;padding:9px 11px;border-radius:8px;border:1px solid var(--border);background:var(--surface-alt);color:var(--text);}
  .login-note{font-size:12px;color:var(--text-faint);margin-top:18px;line-height:1.5;}
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 16px;border-radius:8px;border:1px solid var(--border);background:var(--surface-alt);font-weight:500;}
  .btn:hover{border-color:var(--text-faint);}
  .btn-primary{background:var(--accent);border-color:var(--accent);color:var(--accent-contrast);}
  .btn-primary:hover{filter:brightness(1.08);}
  .btn-block{width:100%;}
  .btn-ghost{background:transparent;border-color:transparent;}
  .btn-ghost:hover{background:var(--surface-alt);}
  .btn-sm{padding:5px 10px;font-size:12.5px;}
  .btn-danger-ghost{background:transparent;border-color:var(--danger);color:var(--danger);}

  /* ---------- App shell ---------- */
  #app{display:none;min-height:100vh;flex-direction:column;}
  header.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:20px;height:58px;padding:0 22px;background:var(--surface);border-bottom:1px solid var(--border);}
  .brand-btn{display:flex;align-items:center;gap:10px;background:none;border:none;padding:4px 6px;border-radius:8px;}
  .brand-btn:hover{background:var(--surface-alt);}
  .brand-btn .name{font-weight:600;font-size:15px;}
  nav.tabs{display:flex;gap:4px;margin-left:8px;}
  nav.tabs button{padding:8px 14px;border-radius:8px;border:1px solid transparent;background:none;color:var(--text-muted);font-weight:500;}
  nav.tabs button:hover{background:var(--surface-alt);color:var(--text);}
  nav.tabs button.active{background:var(--accent-soft);color:var(--accent);}
  .topbar-right{margin-left:auto;display:flex;align-items:center;gap:14px;}
  .whoami-wrap{position:relative;display:flex;align-items:center;gap:6px;}
  .whoami-label{font-size:12.5px;color:var(--text-muted);}
  .whoami-name{background:none;border:none;font-weight:600;font-size:12.5px;color:var(--text);padding:5px 9px;border-radius:7px;cursor:pointer;}
  .whoami-name:hover{background:var(--surface-alt);}
  .profile-panel{position:absolute;top:calc(100% + 8px);right:0;width:230px;background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);padding:14px;z-index:55;}
  .profile-panel h4{margin:0 0 12px;font-size:13px;font-weight:600;}
  .profile-row{margin-bottom:12px;}
  .profile-row:last-child{margin-bottom:0;}
  .profile-row label{display:block;font-size:11.5px;color:var(--text-muted);margin-bottom:5px;}
  .profile-row input[type=text]{width:100%;padding:7px 9px;border-radius:7px;border:1px solid var(--border);background:var(--surface-alt);color:var(--text);}
  .profile-color-row{display:flex;align-items:center;gap:10px;}
  .theme-toggle{width:34px;height:34px;border-radius:50%;border:1px solid var(--border);background:var(--surface-alt);display:flex;align-items:center;justify-content:center;font-size:15px;}
  .theme-toggle:hover{border-color:var(--text-faint);}

  main{flex:1;padding:24px 26px 60px;}
  .page-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:18px;gap:16px;flex-wrap:wrap;}
  .page-head h1{font-size:21px;margin:0;font-weight:600;}
  .page-head .count{color:var(--text-muted);font-size:13px;margin-left:8px;font-weight:400;}
  .page-actions{display:flex;gap:8px;align-items:center;}

  .card{background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:hidden;}
  .table-scroll{overflow-x:auto;}

  table.grid{border-collapse:collapse;width:100%;table-layout:fixed;}
  table.grid th, table.grid td{border-bottom:1px solid var(--border);padding:0;}
  table.grid tbody tr:hover{background:var(--surface-alt);}
  table.grid tbody tr{cursor:pointer;}

  th.colhead{position:relative;text-align:left;background:var(--surface-alt);padding:0;white-space:nowrap;user-select:none;}
  th.colhead .headwrap{display:flex;align-items:center;height:38px;padding:0 8px;position:relative;}
  th.colhead .label{font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.03em;overflow:hidden;text-overflow:ellipsis;flex:1;}
  th.colhead.sorted .label{color:var(--accent);}
  .collapse-btn{position:absolute;left:0;top:0;bottom:0;width:20px;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;background:var(--surface-alt);border:none;color:var(--text-faint);border-radius:6px 0 0 6px;transition:opacity .1s;}
  th.colhead:hover .collapse-btn{opacity:1;pointer-events:auto;}
  .collapse-btn:hover{background:var(--border);color:var(--text);}
  .sort-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;width:22px;height:38px;background:none;border:none;color:var(--text-faint);gap:1px;border-radius:4px;}
  .sort-btn:hover{background:var(--border);}
  .sort-btn .arrow{font-size:9px;line-height:1;}
  .sort-btn .arrow.active{color:var(--accent);}
  th.colhead.collapsed{width:34px;}
  th.colhead.collapsed .headwrap{padding:0;justify-content:center;}
  .expand-strip{width:100%;height:38px;display:flex;align-items:center;justify-content:center;background:none;border:none;color:var(--text-faint);writing-mode:vertical-rl;font-size:10px;letter-spacing:.03em;text-transform:uppercase;}
  .expand-strip:hover{color:var(--accent);}
  table.grid td.cell{padding:12px 10px;font-size:13px;vertical-align:middle;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  table.grid td.cell.collapsed{padding:12px 0;text-align:center;color:var(--text-faint);}
  td.cell.name{font-weight:600;}

  .chip{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:99px;font-size:11.5px;font-weight:600;letter-spacing:.01em;}
  .chip-open{background:var(--warning-soft);color:var(--warning);}
  .chip-done{background:var(--success-soft);color:var(--success);}
  .chip-danger{background:var(--danger-soft);color:var(--danger);}
  .chip-dot{width:6px;height:6px;border-radius:50%;background:currentColor;}

  .empty-cell{color:var(--text-faint);}

  /* ---------- Default view ---------- */
  .section-eyebrow{font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-faint);font-weight:600;margin:26px 0 10px;}
  .section-eyebrow:first-child{margin-top:0;}
  .person-rows{display:flex;flex-direction:column;gap:8px;}
  .prow{display:flex;align-items:center;gap:16px;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:12px 16px;cursor:pointer;}
  .prow:hover{border-color:var(--text-faint);}
  .prow .avatar{width:36px;height:36px;border-radius:9px;background:var(--accent-soft);color:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12.5px;flex-shrink:0;}
  .prow .pname{font-weight:600;min-width:170px;}
  .prow .pname .kurzel{color:var(--text-faint);font-weight:500;margin-left:6px;font-size:12px;}
  .prow .pmeta{color:var(--text-muted);font-size:12.5px;min-width:150px;}
  .prow .pflags{margin-left:auto;display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end;}

  /* ---------- Modal / overlay ---------- */
  .overlay{position:fixed;inset:0;background:rgba(15,20,26,.5);backdrop-filter:blur(2px);display:none;align-items:flex-start;justify-content:center;z-index:100;padding:5vh 20px;}
  .overlay.open{display:flex;}
  .modal{background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);width:100%;max-width:760px;max-height:90vh;display:flex;flex-direction:column;}
  .modal-sm{max-width:420px;}
  .modal-head{display:flex;align-items:center;gap:12px;padding:18px 22px;border-bottom:1px solid var(--border);}
  .modal-head h2{margin:0;font-size:16.5px;font-weight:600;flex:1;}
  .modal-head .autosave-hint{font-size:11.5px;color:var(--text-faint);}
  .modal-close{background:none;border:none;color:var(--text-faint);font-size:18px;width:30px;height:30px;border-radius:7px;}
  .modal-close:hover{background:var(--surface-alt);color:var(--text);}
  .modal-body{padding:20px 22px;overflow-y:auto;}
  .modal-foot{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:16px 22px;border-top:1px solid var(--border);}

  .fgroup{margin-bottom:24px;}
  .fgroup:last-child{margin-bottom:0;}
  .fgroup h3{font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-faint);margin:0 0 12px;font-weight:600;}
  .fgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}
  .f{display:flex;flex-direction:column;gap:5px;}
  .f label{font-size:11.5px;color:var(--text-muted);}
  .f input, .f select{padding:8px 10px;border-radius:7px;border:1px solid var(--border);background:var(--surface-alt);color:var(--text);width:100%;}
  .f .view-value{padding:8px 0;font-size:13.5px;min-height:18px;}
  .f .view-value.empty{color:var(--text-faint);font-style:italic;}
  .f .view-value.multiline{white-space:pre-wrap;line-height:1.5;}
  .f-textarea{width:100%;padding:8px 10px;border-radius:7px;border:1px solid var(--border);background:var(--surface-alt);color:var(--text);font-family:inherit;font-size:13px;line-height:1.45;resize:vertical;min-height:64px;}
  .f-wide{grid-column:1 / -1;}
  .status-toggle{display:flex;gap:6px;}
  .status-toggle button{flex:1;padding:7px 0;border-radius:7px;border:1px solid var(--border);background:var(--surface-alt);font-size:12.5px;font-weight:600;color:var(--text-muted);}
  .status-toggle button.on-open.selected{background:var(--warning-soft);color:var(--warning);border-color:transparent;}
  .status-toggle button.on-done.selected{background:var(--success-soft);color:var(--success);border-color:transparent;}
  .check-date-row{display:flex;align-items:center;gap:10px;}
  .check-date-row input[type=checkbox]{width:17px;height:17px;accent-color:var(--accent);}
  .check-date-row .date-shown{font-size:12.5px;color:var(--text-muted);}
  .save-flash{font-size:11.5px;color:var(--success);opacity:0;transition:opacity .25s;}
  .save-flash.show{opacity:1;}

  .history-list{display:flex;flex-direction:column;gap:10px;}
  .history-item{display:flex;gap:10px;font-size:12.5px;}
  .history-item .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);margin-top:6px;flex-shrink:0;}
  .history-item .htext{color:var(--text);}
  .history-item .hmeta{color:var(--text-faint);}

  /* export: anchored dropdown, not a modal — closes on outside click */
  .export-dd{position:relative;}
  .export-panel{position:absolute;top:calc(100% + 8px);right:0;width:290px;background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);padding:12px;z-index:40;}
  .export-list{display:flex;flex-direction:column-reverse;gap:8px;}
  .export-row{display:flex;align-items:center;gap:12px;padding:11px 14px;border:1px solid var(--border);border-radius:9px;background:var(--surface-alt);}
  .export-row.current{border-color:var(--accent);background:var(--accent-soft);}
  .export-row .exd{font-weight:600;flex:1;}
  .export-row .exd small{display:block;font-weight:400;color:var(--text-muted);font-size:11.5px;}

  .toast-wrap{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);z-index:200;display:flex;flex-direction:column;gap:8px;align-items:center;}
  .toast{background:var(--text);color:var(--bg);padding:10px 18px;border-radius:9px;font-size:13px;box-shadow:var(--shadow);animation:toastin .2s ease-out;}
  @keyframes toastin{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:translateY(0);}}

  .locked-banner{display:flex;align-items:center;gap:8px;background:var(--warning-soft);color:var(--warning);border-radius:9px;padding:9px 14px;font-size:12.5px;font-weight:500;margin-bottom:14px;}

  .helper-text{font-size:12px;color:var(--text-faint);margin-top:14px;}

  /* managed dropdown (lookup lists with add/remove) */
  .msel{position:relative;}
  .msel-trigger{width:100%;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:6px;padding:8px 10px;border-radius:7px;border:1px solid var(--border);background:var(--surface-alt);color:var(--text);}
  .msel-trigger .care{color:var(--text-faint);font-size:11px;}
  .msel-trigger:hover{border-color:var(--text-faint);}
  .msel-panel{position:absolute;top:calc(100% + 4px);left:0;right:0;background:var(--surface);border:1px solid var(--border);border-radius:9px;box-shadow:var(--shadow);z-index:30;max-height:220px;overflow-y:auto;padding:4px;}
  .msel-opt{position:relative;display:flex;align-items:center;justify-content:space-between;padding:7px 9px;border-radius:6px;font-size:13px;cursor:pointer;gap:8px;}
  .msel-opt:hover{background:var(--surface-alt);}
  .msel-opt.sel{background:var(--accent-soft);color:var(--accent);font-weight:600;}
  .msel-opt .opt-label{flex:1;overflow:hidden;text-overflow:ellipsis;}
  .msel-x{background:none;border:none;color:var(--text-faint);width:20px;height:20px;flex-shrink:0;border-radius:5px;font-size:13px;}
  .msel-x:hover{background:var(--danger-soft);color:var(--danger);}
  .msel-add{display:flex;gap:6px;padding:6px 4px 2px;border-top:1px solid var(--border);margin-top:4px;}
  .msel-add input{flex:1;padding:6px 8px;border-radius:6px;border:1px solid var(--border);background:var(--surface-alt);font-size:12.5px;}
  .color-dot{width:14px;height:14px;border-radius:50%;flex-shrink:0;cursor:pointer;border:1px solid rgba(127,127,127,.35);background:var(--tag-fg);padding:0;}

  /* custom colour wheel — no native input, so it behaves the same in every browser */
  .color-picker-pop{position:absolute;top:100%;left:0;margin-top:4px;z-index:60;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:12px;box-shadow:var(--shadow);width:172px;}
  .cp-wheel-wrap{position:relative;width:140px;height:140px;margin:0 auto;}
  #cp-wheel{border-radius:50%;cursor:crosshair;display:block;}
  .cp-marker{position:absolute;width:11px;height:11px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px rgba(0,0,0,.45);transform:translate(-50%,-50%);pointer-events:none;}
  .cp-row{display:flex;align-items:center;gap:8px;margin-top:10px;}
  .cp-row input[type=range]{flex:1;accent-color:var(--accent);}
  .cp-preview{width:22px;height:22px;border-radius:6px;flex-shrink:0;border:1px solid var(--border);}
  .cp-hex{flex:1;min-width:0;padding:5px 7px;border-radius:6px;border:1px solid var(--border);background:var(--surface-alt);color:var(--text);font-family:'IBM Plex Mono',monospace;font-size:12px;}

  /* date field with picker — icon sits as a gray overlay inside the field */
  .date-field{position:relative;}
  .date-field input[type=text]{width:100%;padding-right:36px;}
  .date-icon-btn{position:absolute;right:3px;top:3px;bottom:3px;width:28px;border:none;background:transparent;color:var(--text-faint);display:flex;align-items:center;justify-content:center;font-size:14px;border-radius:5px;}
  .date-icon-btn:hover{background:var(--border);color:var(--text);}
  /* custom calendar popover (no native picker — more reliable across browsers) */
  .cal-panel{position:absolute;top:calc(100% + 6px);right:0;background:var(--surface);border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow);padding:10px;z-index:50;width:224px;}
  .cal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;font-weight:600;font-size:12.5px;}
  .cal-nav{background:none;border:none;color:var(--text-muted);width:24px;height:24px;border-radius:6px;font-size:14px;}
  .cal-nav:hover{background:var(--surface-alt);color:var(--text);}
  .cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:2px;}
  .cal-dow{font-size:10px;color:var(--text-faint);text-align:center;padding:4px 0;text-transform:uppercase;}
  .cal-day{background:none;border:none;padding:6px 0;border-radius:6px;font-size:12.5px;color:var(--text);}
  .cal-day:hover{background:var(--surface-alt);}
  .cal-day.today{box-shadow:inset 0 0 0 1px var(--accent);}
  .cal-day.sel{background:var(--accent);color:var(--accent-contrast);font-weight:600;}
  .cal-today-btn{margin-top:8px;width:100%;text-align:center;font-size:12px;color:var(--accent);background:none;border:none;padding:6px 0;border-radius:6px;}
  .cal-today-btn:hover{background:var(--surface-alt);}

  /* colour-coded tags for Coach / Massnahmenart, for at-a-glance distinction */
  .tag-chip{display:inline-block;max-width:100%;padding:2px 8px;border-radius:6px;background:var(--tag-bg);color:var(--tag-fg);font-weight:600;font-size:12.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:middle;}

  /* default view coach badges */
  .coach-badges{display:flex;gap:4px;}
  .mini-badge{width:26px;height:26px;border-radius:7px;background:var(--tag-bg,var(--surface-alt));color:var(--tag-fg,var(--text-muted));display:flex;align-items:center;justify-content:center;font-size:10.5px;font-weight:700;flex-shrink:0;}

  /* conflict banner */
  .conflict-banner{display:flex;align-items:center;gap:10px;background:var(--danger-soft);color:var(--danger);border-radius:9px;padding:10px 14px;font-size:12.5px;font-weight:500;margin-bottom:16px;}
  .conflict-banner button{margin-left:auto;flex-shrink:0;}
  @media (prefers-reduced-motion: reduce){ *{animation-duration:0.001ms !important;} }