:root{
  --fg:#111827;--bg:#f7faf9;--card:#ffffff;--muted:#6b7280;
  --accent:#2f855a;--accent-weak:#e6f4ea;--danger:#dc2626;--border:#e5e7eb;
}
*{box-sizing:border-box}
body{margin:0;font:15px/1.45 system-ui,Segoe UI,Roboto;color:var(--fg);background:var(--bg)}
header.sticky{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.9);backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--border);padding:12px 16px;display:flex;gap:8px;align-items:center}
header.sticky b{font-size:18px;margin-right:auto}
main{max-width:1400px;margin:16px auto;padding:0 16px 80px}
.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px;margin:14px 0;box-shadow:0 1px 0 rgba(0,0,0,.02)}
.card h3{margin:0 0 10px 0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
.grid1{display:grid;grid-template-columns:1fr;gap:10px}
label{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}
input,select,textarea{width:100%;padding:10px;border:1px solid var(--border);border-radius:10px;background:#fff}
textarea{min-height:120px}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;border:none;padding:10px 14px;border-radius:10px;cursor:pointer}
.btn.ghost{background:var(--accent-weak);color:#065f46}
.btn.danger{background:#dc2626}
.btn:disabled{opacity:.55;cursor:not-allowed}
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.pill{background:#eef2ff;color:#3730a3;border-radius:999px;padding:6px 10px;font-size:12px}
.table-scroll{overflow:auto;border:1px solid var(--border);border-radius:10px}
table{width:100%;border-collapse:separate;border-spacing:0}
th,td{padding:10px;border-bottom:1px solid var(--border);white-space:nowrap;background:#fff}
th{position:sticky;top:0;background:#fff;z-index:1}
tfoot td{background:#fafafa}
.badge{display:inline-block;background:#f1f5f9;border:1px solid var(--border);border-radius:6px;padding:4px 8px}
.note{color:var(--muted)}
.right{margin-left:auto}
.small{font-size:12px;color:var(--muted)}
th.sortable{cursor:pointer;user-select:none}
th.sortable::after{content:" ⬍";color:#94a3b8}
td.editable{outline:1px dashed #dcdcdc}
#gdriveJson.drop, #gd_json.drop { outline: 2px dashed #2f855a; background:#f6fffa; }

/* Simple modal overlay for long running actions (e.g. sending mails) */
.overlay{position:fixed;inset:0;z-index:999;background:rgba(0,0,0,.35);display:flex;align-items:center;justify-content:center;padding:24px}
.overlay.hidden{display:none}
.overlay-box{width:min(560px, 92vw);background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px;box-shadow:0 12px 40px rgba(0,0,0,.15)}

/* Progress bar */
.progress{height:12px;background:#e5e7eb;border-radius:999px;overflow:hidden}
.progress .bar{height:100%;width:0%;background:var(--accent);transition:width .2s ease}
.progress.indeterminate .bar{width:35%;animation:indet 1s infinite linear}
@keyframes indet{0%{transform:translateX(-120%)}100%{transform:translateX(340%)}}