:root{
  --bg:#f6f7f9; --surface:#fff; --surface-2:#eef1f5; --text:#1b1f24; --muted:#5d6672;
  --border:#d5dae1; --accent:#1f5fbf; --accent-text:#fff; --ok:#1d7a3e; --ok-bg:#dcf2e3;
  --auto:#7a4fbf; --auto-bg:#ece3fa; --warn:#9a5b00; --warn-bg:#fff1d6; --danger:#b42318; --focus:#b06f00;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#14171b; --surface:#1d2127; --surface-2:#262b33; --text:#e7eaee; --muted:#9aa4b1;
    --border:#363d47; --accent:#6ea2ff; --accent-text:#0d1420; --ok:#6fd394; --ok-bg:#183524;
    --auto:#c4a6ff; --auto-bg:#2f2545; --warn:#ffc35c; --warn-bg:#3a2c10; --danger:#ff8a80; --focus:#ffc35c;
  }
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
header{background:var(--surface);border-bottom:1px solid var(--border);padding:12px 16px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:5}
h1{font-size:18px;margin:0}
nav{display:flex;gap:4px;flex-wrap:wrap}
nav button{background:none;border:1px solid transparent;color:var(--text);padding:7px 12px;border-radius:6px;cursor:pointer;font:inherit}
nav button[aria-selected="true"]{background:var(--surface-2);border-color:var(--border);font-weight:600}
.hdr-right{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
main{padding:16px;max-width:100%}
section[hidden],[hidden]{display:none!important}
.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:end;margin-bottom:12px}
label.f{display:flex;flex-direction:column;gap:3px;font-size:13px;color:var(--muted)}
input,select,textarea{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:6px 8px}
textarea{min-height:60px;resize:vertical}
button.b{font:inherit;border:1px solid var(--border);background:var(--surface);color:var(--text);padding:7px 12px;border-radius:6px;cursor:pointer}
button.b.primary{background:var(--accent);color:var(--accent-text);border-color:var(--accent)}
button.b.danger{color:var(--danger);border-color:var(--danger)}
button.b:disabled{opacity:.5;cursor:not-allowed}
button.b.link{border:0;padding:2px 4px;background:none;text-align:left}
:focus-visible{outline:3px solid var(--focus);outline-offset:1px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:14px;margin-bottom:14px}
.card h2{margin-top:0;font-size:16px}
.muted{color:var(--muted)}
.small{font-size:13px}
.pad{padding:14px}
.mt4{margin-top:4px}.mt10{margin-top:10px}
.scroll{overflow:auto;max-width:100%;border:1px solid var(--border);border-radius:8px;background:var(--surface)}
table{border-collapse:collapse;width:100%}
th,td{border-bottom:1px solid var(--border);padding:6px 8px;text-align:left;vertical-align:middle;white-space:nowrap}
thead th{background:var(--surface-2);font-size:12px;position:sticky;top:0;z-index:2}
table.matrix th.sticky,table.matrix td.sticky{position:sticky;left:0;background:var(--surface);z-index:1;border-right:1px solid var(--border)}
table.matrix thead th.sticky{z-index:3;background:var(--surface-2)}
table.matrix th.grp{text-align:center;border-left:1px solid var(--border)}
table.matrix td.c{text-align:center;padding:2px;border-left:1px solid var(--border)}
td.c button,td.c .cell{display:block;width:100%;min-width:42px;min-height:30px;line-height:30px;border:0;background:none;color:var(--muted);border-radius:4px;font:inherit;padding:0}
td.c button{cursor:pointer;line-height:normal}
td.c button:hover{background:var(--surface-2)}
td.c button.on,td.c .cell.on{background:var(--ok-bg);color:var(--ok);font-weight:700}
td.c button.on.auto,td.c .cell.on.auto{background:var(--auto-bg);color:var(--auto)}
td.c button:disabled{opacity:.6;cursor:wait}
.indent{display:inline-block}
.num{font-variant-numeric:tabular-nums}
.badge{display:inline-block;padding:1px 7px;border-radius:10px;font-size:12px;background:var(--surface-2);border:1px solid var(--border)}
.badge:empty{display:none}
.badge.warn{background:var(--warn-bg);color:var(--warn);border-color:transparent}
.badge.ok{background:var(--ok-bg);color:var(--ok);border-color:transparent}
.badge.auto{background:var(--auto-bg);color:var(--auto);border-color:transparent}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:13px;margin:6px 0 10px}
.legend span::before{content:"";display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:5px;vertical-align:-1px}
.legend .lm::before{background:var(--ok-bg);border:1px solid var(--ok)}
.legend .la::before{background:var(--auto-bg);border:1px solid var(--auto)}
.legend .muted::before{display:none}
dialog{border:1px solid var(--border);border-radius:10px;padding:0;background:var(--surface);color:var(--text);width:min(860px,calc(100vw - 32px));max-height:calc(100vh - 32px)}
dialog::backdrop{background:rgba(0,0,0,.45)}
.dlg-head{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--surface);z-index:2}
.dlg-head h2{margin:0;font-size:17px}
.dlg-body{padding:14px 16px}
.dlg-foot{display:flex;gap:8px;justify-content:space-between;flex-wrap:wrap;padding:12px 16px;border-top:1px solid var(--border);position:sticky;bottom:0;background:var(--surface)}
.foot-r{display:flex;gap:8px;margin-left:auto}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px}
.info{display:grid;grid-template-columns:max-content 1fr;gap:4px 14px;margin:0}
.info dt{color:var(--muted)}.info dd{margin:0}
.ach-group h3,.dlg-body h3{font-size:14px;margin:16px 0 6px}
.ach-row{display:grid;grid-template-columns:150px 1fr auto;gap:8px;align-items:center;padding:5px 0;border-bottom:1px solid var(--border)}
.chips{display:flex;flex-wrap:wrap;gap:4px}
.chip{display:inline-flex;align-items:center;gap:3px;padding:1px 8px;border-radius:12px;font-size:12px;background:var(--ok-bg);color:var(--ok)}
.chip.rm{padding-right:4px}
.chip.auto{background:var(--auto-bg);color:var(--auto)}
.chip button{border:0;background:none;color:inherit;cursor:pointer;font-size:14px;line-height:1;padding:2px 4px;border-radius:8px}
.add{display:flex;gap:4px}
.add input{width:140px;padding:3px 6px}
.add button{padding:3px 9px}
.err{color:var(--danger);font-size:13px;min-height:1em}
#toast{position:fixed;bottom:16px;left:50%;transform:translateX(-50%);background:var(--text);color:var(--bg);padding:9px 16px;border-radius:8px;opacity:0;transition:opacity .2s;pointer-events:none;max-width:calc(100vw - 32px);z-index:50}
#toast.show{opacity:1}
#toast.bad{background:var(--danger);color:var(--bg)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
@media (max-width:600px){
  .ach-row{grid-template-columns:1fr;gap:4px}
  header{position:static}
}
.drop{display:block;border:2px dashed var(--border);border-radius:10px;padding:26px 16px;text-align:center;cursor:pointer;background:var(--surface)}
.drop.over,.drop:focus-within{border-color:var(--accent);background:var(--surface-2)}
.drop.busy{opacity:.6;cursor:wait}
.chk{display:flex;gap:6px;align-items:flex-start;padding:2px 0}
td.wrap{white-space:normal;max-width:520px;overflow-wrap:anywhere}
.add input[type=email]{width:230px}