:root {
  --brand: #0b6cff;
  --bg: #f6f7fb;
  --surface: #fff;
  --ink: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --danger: #b91c1c;
  --ok: #059669;
  --warn: #d97706;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--ink); font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: #eef2ff; padding: 1px 4px; border-radius: 3px; font-size: 13px; }

.topbar {
  display: flex; align-items: center; gap: 24px;
  padding: 10px 20px; background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand .logo { height: 28px; width: auto; }
.brand-name { font-weight: 600; }
.nav { display: flex; gap: 18px; flex: 1; }
.nav a { color: var(--ink); padding: 6px 2px; border-bottom: 2px solid transparent; }
.nav a.on { color: var(--brand); border-color: var(--brand); }
.logout button {
  background: transparent; border: 1px solid var(--border); color: var(--ink);
  padding: 6px 12px; border-radius: 6px; cursor: pointer;
}
.content { max-width: 1200px; margin: 0 auto; padding: 24px; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 20px; }
.panel h2 { margin: 0 0 14px 0; font-size: 18px; }
.muted { color: var(--muted); }
.alert { background: #fee2e2; color: var(--danger); padding: 10px; border-radius: 6px; margin: 10px 0; }
.empty { padding: 40px; text-align: center; color: var(--muted); background: #fafafa; border-radius: 8px; }

.mb-frame { width: 100%; height: 78vh; border: 0; border-radius: 8px; }

/* login */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: linear-gradient(180deg, var(--bg) 0%, #eef2ff 100%); }
.login-card { width: 360px; max-width: 90vw; background: var(--surface); padding: 28px; border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,.07); }
.login-logo { height: 40px; margin-bottom: 12px; }
.login-card h1 { margin: 0 0 4px 0; font-size: 20px; }
.login-card form label { display: block; margin: 12px 0 4px; font-size: 13px; color: var(--muted); }
.login-card input { width: 100%; padding: 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; }
.login-card button.primary { margin-top: 16px; width: 100%; padding: 10px; background: var(--brand); color: #fff; border: 0; border-radius: 6px; font-weight: 600; cursor: pointer; }

/* clients */
.client-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; margin-top: 10px; }
.client-card { display: block; padding: 14px; border: 1px solid var(--border); border-radius: 10px; background: #fff; color: var(--ink); }
.client-card:hover { border-color: var(--brand); text-decoration: none; }
.cc-name { font-weight: 600; margin-bottom: 6px; }
.cc-meta { display: flex; gap: 8px; align-items: center; }
.pill { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; background: #eef2ff; color: var(--brand); text-transform: capitalize; }
.status-active .pill { background: #ecfdf5; color: var(--ok); }
.status-paused .pill { background: #fef3c7; color: var(--warn); }
.status-churned .pill { background: #fee2e2; color: var(--danger); }
.breadcrumbs { margin-bottom: 8px; font-size: 13px; }
.kv { display: grid; grid-template-columns: 140px 1fr; gap: 6px 16px; }
.kv dt { color: var(--muted); }