:root {
  color-scheme: light dark;
  --bg: #f5f6f8;
  --card-bg: #ffffff;
  --text: #1c1e21;
  --muted: #6b7280;
  --border: #e2e5e9;
  --accent: #2563eb;
  --ok: #16a34a;
  --error: #dc2626;
  --pending: #d97706;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
}

.brand { font-weight: 600; color: var(--text); text-decoration: none; }
.logout { color: var(--muted); text-decoration: none; font-size: 14px; }
.nav-links { display: flex; align-items: center; gap: 18px; }
.nav-links a { color: var(--text); text-decoration: none; font-size: 14px; }
.nav-links a:hover { color: var(--accent); }

main {
  max-width: 960px;
  margin: 24px auto;
  padding: 0 16px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 24px;
  margin-bottom: 20px;
}

.card h2 { margin-top: 0; font-size: 17px; }

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.section-header h2 { margin-bottom: 0; }
.muted.small { font-size: 13px; margin-top: 4px; }

.banner {
  padding: 10px 16px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 14px;
}
.banner.error { background: #fee2e2; color: #991b1b; }
.banner.ok { background: #dcfce7; color: #166534; }

.add-form {
  display: flex;
  gap: 16px;
  align-items: flex-end;
  flex-wrap: wrap;
}
.add-form div { display: flex; flex-direction: column; gap: 4px; }
.add-form label { font-size: 13px; color: var(--muted); }
.add-form input {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  min-width: 220px;
}

table.accounts { width: 100%; border-collapse: collapse; font-size: 14px; }
table.accounts th, table.accounts td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
table.accounts th { color: var(--muted); font-weight: 500; font-size: 13px; }

.actions { display: flex; gap: 8px; }

.button {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
  font-size: 13px;
}
.button.small { padding: 5px 10px; font-size: 13px; }
.button.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.button.primary:disabled { background: #9ca3af; border-color: #9ca3af; cursor: not-allowed; }
.button.danger { color: var(--error); }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
}
.badge.ok { background: #dcfce7; color: var(--ok); }
.badge.error { background: #fee2e2; color: var(--error); }
.badge.pending { background: #fef3c7; color: var(--pending); }

.muted { color: var(--muted); }
.mini-error { color: var(--error); font-size: 12px; margin-top: 4px; max-width: 240px; }

.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card { width: 320px; display: flex; flex-direction: column; gap: 10px; }
.login-card input { padding: 10px; border: 1px solid var(--border); border-radius: 6px; }
.login-card button { padding: 10px; border: none; border-radius: 6px; background: var(--accent); color: #fff; cursor: pointer; }
.login-card .error { color: var(--error); font-size: 14px; }

.settings-form h3 { margin: 20px 0 4px; font-size: 14px; }
.settings-form h3:first-child { margin-top: 0; }
.settings-form .field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; max-width: 480px; }
.settings-form .field label { font-size: 13px; color: var(--muted); }
.settings-form .field input,
.settings-form .field select {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card-bg);
  color: var(--text);
}

dl.stats { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; }
dl.stats dt { color: var(--muted); }
dl.stats dd { margin: 0; }

.log {
  background: #0b0e14;
  color: #d1d5db;
  padding: 14px;
  border-radius: 8px;
  max-height: 420px;
  overflow: auto;
  font-size: 12px;
  white-space: pre-wrap;
  word-break: break-word;
}