:root {
  --bg: #f5f6f8;
  --fg: #1c2430;
  --muted: #6b7684;
  --line: #e2e6eb;
  --card: #ffffff;
  --primary: #2f6fed;
  --primary-fg: #ffffff;
  --error-bg: #fdecec;
  --error-fg: #b42318;
  --notice-bg: #eaf3ff;
  --notice-fg: #1d4e8f;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--fg);
  background: var(--bg);
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; color: var(--fg); font-size: 17px; }
.nav { display: flex; align-items: center; gap: 16px; }
.nav .user { color: var(--muted); font-size: 13px; }

.container { max-width: 920px; margin: 32px auto; padding: 0 20px; }

h1 { font-size: 22px; margin: 0 0 16px; }
.muted { color: var(--muted); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px;
  margin: 12px 0;
}

.stack { display: flex; flex-direction: column; gap: 14px; }
label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
input {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 15px;
  color: var(--fg);
  background: #fff;
}
input:focus { outline: 2px solid var(--primary); outline-offset: 0; border-color: var(--primary); }

.btn {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  font-size: 15px;
  cursor: pointer;
}
.btn.primary { background: var(--primary); color: var(--primary-fg); border-color: var(--primary); }
.btn.primary:hover { filter: brightness(0.96); }

button.link {
  background: none;
  border: none;
  color: var(--primary);
  cursor: pointer;
  font-size: 14px;
  padding: 0;
}
.inline { display: inline; margin: 0; }

.alert { padding: 10px 12px; border-radius: 8px; font-size: 14px; margin-bottom: 4px; }
.alert.error { background: var(--error-bg); color: var(--error-fg); }
.alert.notice { background: var(--notice-bg); color: var(--notice-fg); }

.auth {
  max-width: 380px;
  margin: 10vh auto 0;
}
.auth .card { padding: 28px; }
.auth h1 { margin-bottom: 2px; }
.auth .muted { margin-top: 0; margin-bottom: 18px; }

/* Step 8 — tenant management */
.pagehead { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 8px; }
.pagehead h1 { margin: 0; }
h2 { font-size: 16px; margin: 0 0 12px; }

.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); }
.table th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
.table tr:last-child td { border-bottom: none; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.active { background: #e7f6ec; color: #1a7f3c; }
.badge.suspended, .badge.disabled { background: #fdecec; color: #b42318; }

.req { color: #b42318; }
.hint { display: block; font-size: 12px; color: var(--muted); margin-top: 4px; }

fieldset.provider-config { border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; }
fieldset.provider-config legend { padding: 0 6px; color: var(--muted); font-size: 13px; }
.provider-group { display: flex; flex-direction: column; gap: 12px; }
.check { flex-direction: row; align-items: center; gap: 8px; color: var(--fg); }

.row { display: flex; gap: 10px; align-items: center; margin-top: 12px; flex-wrap: wrap; }
.row input { flex: 1 1 200px; }

.link.danger { color: #b42318; }

.keyonce { display: flex; flex-direction: column; gap: 8px; }
.keyonce .keyval {
  background: #0d1b2a; color: #e8f0fe; padding: 10px 12px; border-radius: 8px;
  font-size: 14px; word-break: break-all; user-select: all;
}

/* Step 9 — templates & notifications */
.editor { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }
@media (max-width: 900px) { .editor { grid-template-columns: 1fr; } }
textarea { padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; font-size: 14px; width: 100%; resize: vertical; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.actions { display: flex; align-items: center; gap: 10px; margin-top: 4px; }
.spacer { flex: 1; }
.toggle-form { margin-top: 10px; }

.preview-subject { margin: 10px 0 6px; font-size: 13px; }
iframe.preview { width: 100%; height: 320px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }

.filterbar { display: flex; flex-wrap: wrap; gap: 14px; align-items: end; }
.filterbar label { min-width: 120px; }
.filterbar .actions { margin-top: 0; }

.table.kv th { width: 180px; vertical-align: top; }
.table.kv td.err { color: #b42318; }
.codeblock {
  background: #0d1b2a; color: #e8f0fe; padding: 14px; border-radius: 8px;
  overflow-x: auto; font-size: 13px; line-height: 1.5;
}
a.btn { text-decoration: none; display: inline-flex; align-items: center; }

/* Step 10 — stats */
.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 12px; margin: 8px 0 16px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px; text-align: center; }
.stat-value { font-size: 26px; font-weight: 700; }
.stat-label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .03em; margin-top: 4px; }
h3 { font-size: 13px; margin: 0 0 8px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }
@media (max-width: 800px) { .grid-2 { grid-template-columns: 1fr; } }

.bars { display: flex; align-items: flex-end; gap: 4px; height: 120px; }
.bar { flex: 1 1 0; display: flex; flex-direction: column; align-items: center; gap: 4px; min-width: 0; }
.bar-track { width: 100%; height: 100px; display: flex; align-items: flex-end; background: #f0f2f5; border-radius: 4px; }
.bar-fill { width: 100%; background: var(--primary); border-radius: 4px; min-height: 2px; }
.bar-x { font-size: 10px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }