:root {
  --bg: #f5f6f8; --card: #fff; --ink: #1c2330; --muted: #667085;
  --accent: #14532d; --accent-2: #166534; --border: #d9dee6;
  --good: #15803d; --warn: #b45309; --bad: #b91c1c;
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg); color: var(--ink);
}
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  background: var(--accent); color: #fff; padding: 0.6rem 1.2rem;
  display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap;
}
.topbar a { color: #d1fae5; }
.topbar .brand { font-weight: 700; font-size: 1.1rem; color: #fff; }
.topbar .spacer { flex: 1; }

.container { max-width: 1100px; margin: 1.5rem auto; padding: 0 1rem; }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 8px; padding: 1rem 1.2rem; margin-bottom: 1.2rem;
}
h1 { font-size: 1.5rem; } h2 { font-size: 1.15rem; margin-top: 0; }

table.grid { border-collapse: collapse; width: 100%; }
table.grid th, table.grid td {
  border: 1px solid var(--border); padding: 0.35rem 0.6rem;
  text-align: left; font-size: 0.95rem;
}
table.grid th { background: #eef1f5; }
.num { text-align: right; font-variant-numeric: tabular-nums; }

.badge {
  display: inline-block; border-radius: 12px; padding: 0.1rem 0.6rem;
  font-size: 0.8rem; font-weight: 600;
}
.badge.setup { background: #e5e7eb; color: #374151; }
.badge.active { background: #dcfce7; color: var(--good); }
.badge.finished { background: #dbeafe; color: #1d4ed8; }
.badge.pending { background: #fef3c7; color: var(--warn); }
.badge.confirmed { background: #dcfce7; color: var(--good); }

.btn {
  display: inline-block; background: var(--accent-2); color: #fff;
  border: none; border-radius: 6px; padding: 0.5rem 1rem;
  font-size: 0.95rem; cursor: pointer;
}
.btn:hover { background: var(--accent); text-decoration: none; }
.btn.secondary { background: #475569; }
.btn.danger { background: var(--bad); }
.btn.small { padding: 0.25rem 0.6rem; font-size: 0.85rem; }

form.inline { display: inline; }
label { display: block; margin: 0.6rem 0 0.15rem; font-weight: 600; }
input, select, textarea {
  width: 100%; padding: 0.45rem; border: 1px solid var(--border);
  border-radius: 6px; font-size: 1rem; max-width: 420px;
}
textarea { font-family: ui-monospace, monospace; }
.checkbox-row label { display: inline-flex; align-items: center; gap: 0.4rem; font-weight: 400; }
.checkbox-row input { width: auto; }
.help { color: var(--muted); font-size: 0.85rem; }
.error { color: var(--bad); font-weight: 600; }
.muted { color: var(--muted); }
.big-code { font-size: 2.4rem; font-weight: 800; letter-spacing: 0.3rem; }

/* ---- big screen monitor ---- */
body.monitor { background: #0b1220; color: #e5e7eb; }
body.monitor .card { background: #111a2e; border-color: #233152; }
body.monitor table.grid th { background: #1b2742; color: #cbd5e1; }
body.monitor table.grid th, body.monitor table.grid td { border-color: #233152; }
body.monitor .standings-table td, body.monitor .standings-table th {
  font-size: 1.6rem; padding: 0.5rem 0.9rem;
}
.monitor-header { padding: 1rem; text-align: center; }
.monitor-header h1 { font-size: 2.2rem; margin: 0.2rem 0; }
.monitor-cols { display: flex; gap: 1.2rem; align-items: flex-start; flex-wrap: wrap; }
.monitor-cols > div { flex: 1; min-width: 420px; }
.flash { animation: flash 0.8s; }
@keyframes flash { 0% { background: #14532d88; } 100% { background: transparent; } }