:root {
  --bg: #f4f6fb;
  --panel: #ffffff;
  --ink: #1f2933;
  --muted: #6b7785;
  --line: #e3e8ef;
  --brand: #4f46e5;
  --brand-dark: #4338ca;
  --danger: #dc2626;
  --ok: #16a34a;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(16, 24, 40, .08), 0 1px 2px rgba(16, 24, 40, .04);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
}
a { color: var(--brand); }
button { font: inherit; cursor: pointer; }
input, select, textarea {
  font: inherit;
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--brand); outline-offset: -1px; border-color: var(--brand); }
label { font-weight: 600; font-size: 13px; display: block; margin-bottom: 5px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.row { display: flex; gap: 10px; align-items: center; }
.spread { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.wrap { flex-wrap: wrap; }
.grow { flex: 1; }
.hidden { display: none !important; }

.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 15px; border: 1px solid var(--brand); border-radius: 8px;
  background: var(--brand); color: #fff; font-weight: 600; font-size: 14px;
}
.btn:hover { background: var(--brand-dark); border-color: var(--brand-dark); }
.btn.secondary { background: #fff; color: var(--ink); border-color: var(--line); }
.btn.secondary:hover { background: #f8fafc; }
.btn.danger { background: #fff; color: var(--danger); border-color: #f3c7c7; }
.btn.danger:hover { background: #fef2f2; }
.btn.small { padding: 5px 10px; font-size: 13px; }
.btn:disabled { opacity: .6; cursor: not-allowed; }

.topbar {
  background: var(--panel); border-bottom: 1px solid var(--line);
  padding: 12px 20px; position: sticky; top: 0; z-index: 10;
}
.brand { font-weight: 800; font-size: 18px; letter-spacing: -.3px; }
.brand span { color: var(--brand); }
.badge { font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 999px; background: #eef2ff; color: var(--brand); text-transform: uppercase; }
.badge.gray { background: #f1f5f9; color: var(--muted); }
.badge.green { background: #dcfce7; color: var(--ok); }

.container { max-width: 1040px; margin: 0 auto; padding: 24px 20px 60px; }
.center-screen { min-height: 100vh; display: grid; place-items: center; padding: 20px; }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; }
.card + .card { margin-top: 16px; }
.grid { display: grid; gap: 14px; }
.grid.cols-2 { grid-template-columns: 1fr 1fr; }
@media (max-width: 720px) { .grid.cols-2 { grid-template-columns: 1fr; } }

.event-list { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.event-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; background: #fff; box-shadow: var(--shadow); }
.event-card h3 { margin: 0 0 4px; font-size: 16px; }
.event-card .stats { display: flex; gap: 14px; margin: 10px 0; font-size: 13px; color: var(--muted); }
.event-card .stats b { color: var(--ink); }

.field-row { border: 1px solid var(--line); border-radius: 10px; padding: 12px; background: #fafbff; margin-bottom: 10px; }
.field-row.dragging { opacity: .5; border-style: dashed; border-color: var(--brand); }
.field-row .field-head { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; }
.handle { cursor: grab; color: var(--muted); user-select: none; padding: 0 4px; font-size: 18px; }
.handle:active { cursor: grabbing; }

.palette { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; padding: 12px; border: 1px dashed var(--line); border-radius: 10px; background: #f8fafc; }
.palette-btn { border-style: dashed; }
.palette-btn:hover { border-color: var(--brand); color: var(--brand); }

table { border-collapse: collapse; width: 100%; font-size: 14px; }
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { background: #f8fafc; font-size: 12px; text-transform: uppercase; letter-spacing: .3px; color: var(--muted); position: sticky; top: 0; }
tbody tr:hover { background: #fafbff; }
.empty { text-align: center; color: var(--muted); padding: 40px 20px; }

.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--ink); color: #fff; padding: 11px 18px; border-radius: 10px; box-shadow: var(--shadow); z-index: 100; font-size: 14px; }
.toast.error { background: var(--danger); }
.toast.ok { background: var(--ok); }

.modal-bg { position: fixed; inset: 0; background: rgba(15,23,42,.5); display: grid; place-items: center; z-index: 50; padding: 20px; }
.modal { background: #fff; border-radius: var(--radius); width: 100%; max-width: 720px; max-height: 90vh; overflow: auto; box-shadow: 0 20px 50px rgba(0,0,0,.25); }
.modal-head { padding: 16px 20px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: #fff; }
.modal-body { padding: 20px; }
.modal-foot { padding: 14px 20px; border-top: 1px solid var(--line); display: flex; justify-content: flex-end; gap: 10px; position: sticky; bottom: 0; background: #fff; }

.share-box { display: flex; gap: 8px; align-items: center; background: #f8fafc; border: 1px dashed var(--line); border-radius: 8px; padding: 8px 10px; font-size: 13px; }
.share-box code { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
h1 { font-size: 24px; margin: 0 0 4px; }
h2 { font-size: 18px; margin: 0 0 12px; }