:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --ink: #1a202c;
  --muted: #64748b;
  --line: #e2e8f0;
  --brand: #0f766e;
  --brand-ink: #0b544e;
  --ok: #16a34a;
  --warn: #d97706;
  --bad: #dc2626;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.5;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

/* top bar */
.nav {
  background: var(--brand);
  color: #fff;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 22px;
  height: 54px;
  box-shadow: var(--shadow);
}
.nav .brand { font-weight: 700; letter-spacing: .3px; }
.nav a { color: #d1fae5; }
.nav a:hover { color: #fff; text-decoration: none; }
.nav .spacer { flex: 1; }
.nav .who { color: #a7f3d0; font-size: 13px; }

.wrap { max-width: 1040px; margin: 26px auto; padding: 0 20px; }
h1 { font-size: 22px; margin: 0 0 18px; }
h2 { font-size: 16px; margin: 24px 0 12px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 18px 20px;
  margin-bottom: 16px;
}
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; align-items: start; }
.field { margin-bottom: 12px; }
.subnav { display: flex; flex-wrap: wrap; gap: 6px; margin: -6px 0 18px; }
.subnav a {
  padding: 6px 12px; border-radius: 999px; font-size: 13px;
  background: #eef2f7; color: var(--ink); text-decoration: none;
}
.subnav a.on { background: var(--brand); color: #fff; }
.field small { display: block; margin-top: 3px; font-size: 12px; }
.stat { text-align: left; }
.stat .k { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.stat .v { font-size: 26px; font-weight: 700; margin-top: 4px; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
tr:last-child td { border-bottom: 0; }

.badge {
  display: inline-block; padding: 2px 9px; border-radius: 999px;
  font-size: 12px; font-weight: 600; background: #eef2f7; color: #475569;
}
.badge.pend { background: #fef3c7; color: #92400e; }
.badge.ok   { background: #dcfce7; color: #166534; }
.badge.bad  { background: #fee2e2; color: #991b1b; }
.badge.pay  { background: #dbeafe; color: #1e40af; }

.btn {
  display: inline-block; border: 0; border-radius: 8px; cursor: pointer;
  padding: 8px 14px; font-size: 14px; font-weight: 600; background: var(--brand); color: #fff;
}
.btn:hover { background: var(--brand-ink); text-decoration: none; }
.btn.sm { padding: 5px 10px; font-size: 13px; }
.btn.ghost { background: #eef2f7; color: var(--ink); }
.btn.danger { background: var(--bad); }
.btn.warn { background: var(--warn); }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

label { display: block; font-size: 13px; color: var(--muted); margin: 12px 0 4px; }
input, select, textarea {
  width: 100%; padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px;
  font: inherit; background: #fff;
}
textarea { min-height: 72px; }
.row { display: flex; gap: 12px; }
.row > * { flex: 1; }

.msg { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; font-size: 14px; }
.msg.err { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.msg.ok  { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.muted { color: var(--muted); }
.right { text-align: right; }
.mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 13px; }
.login-wrap { max-width: 380px; margin: 8vh auto; }
.inline-actions { display: flex; gap: 8px; align-items: center; }

/* Non-production environment banner (staging/pre-prod). */
.env-banner {
  position: sticky; top: 0; z-index: 50; text-align: center;
  padding: 6px 12px; font-size: 12px; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase;
  background: #b45309; color: #fff;
}

/* First-run setup checklist (admin dashboard). */
.card.setup { border-left: 4px solid var(--brand, #2563eb); }
.card.setup.ok { border-left-color: #16a34a; }
.setup-list { list-style: none; margin: 8px 0 0; padding: 0; }
.setup-list li { display: flex; gap: 12px; padding: 10px 0; border-top: 1px solid var(--line, #e5e7eb); }
.setup-list li:first-child { border-top: 0; }
.setup-list .tick {
  flex: 0 0 26px; height: 26px; border-radius: 999px; display: grid; place-items: center;
  font-size: 13px; font-weight: 700; background: #eef2f7; color: var(--ink, #111);
}
.setup-list li.done .tick { background: #dcfce7; color: #166534; }
.setup-body { flex: 1; }
.setup-head { display: flex; gap: 8px; align-items: center; }
.setup-head a { font-weight: 600; }
.setup-list li.done .setup-head a { color: var(--muted, #6b7280); }