:root {
  --primary: #652cf2;
  --primary-fg: #ffffff;
  --accent: #33d9d5;
  --bg: #f7f7f9;
  --card: #ffffff;
  --text: #1a1a1f;
  --muted: #6b7280;
  --border: #e5e7eb;
  --ok: #22c55e;
  --warn: #f59e0b;
  --err: #ef4444;
  --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand .logo {
  width: 32px; height: 32px;
  background: var(--primary); color: white;
  display: flex; align-items: center; justify-content: center;
  border-radius: 8px; font-weight: 800;
}
.brand .title { font-weight: 700; font-size: 16px; }
.topbar nav a {
  margin-left: 18px; color: var(--text); text-decoration: none; font-weight: 500;
  padding: 6px 10px; border-radius: 6px;
}
.topbar nav a:hover { background: var(--bg); }

main { padding: 24px; max-width: 1280px; margin: 0 auto; }

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.kpi {
  background: var(--card);
  padding: 16px 18px;
  border-radius: 10px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.kpi-label { color: var(--muted); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.kpi-value { font-size: 28px; font-weight: 700; margin-top: 4px; }
.kpi-sub { color: var(--muted); font-size: 12px; margin-top: 4px; }

.card {
  background: var(--card);
  padding: 20px 24px;
  border-radius: 10px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  margin-bottom: 24px;
}
.card h2, .card h3 { margin-top: 0; }

.muted { color: var(--muted); }
.small { font-size: 12px; }

.pill { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; background: var(--bg); color: var(--muted); }
.pill-ok { background: #d1fae5; color: #065f46; }
.pill-warn { background: #fef3c7; color: #92400e; }
.pill-err { background: #fee2e2; color: #991b1b; }
.pill-draft { background: #e0e7ff; color: #3730a3; }
.pill-scheduled { background: #cffafe; color: #155e75; }
.pill-sent { background: #d1fae5; color: #065f46; }
.pill-cancelled { background: #fee2e2; color: #991b1b; }

.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-left: 4px; vertical-align: middle; }
.dot-green { background: var(--ok); }
.dot-yellow { background: var(--warn); }
.dot-red { background: var(--err); }

.health-row { display: flex; align-items: center; gap: 10px; font-size: 16px; }
.health-dot { width: 14px; height: 14px; border-radius: 50%; }
.health-green { background: var(--ok); }
.health-yellow { background: var(--warn); }
.health-red { background: var(--err); }
.health-unknown { background: var(--muted); }

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
table.data th {
  text-align: left;
  background: var(--bg);
  padding: 10px 12px;
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}
table.data td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
table.data tr:hover td { background: #fafafb; }
table.data a { color: var(--primary); text-decoration: none; font-weight: 600; }
table.data a:hover { text-decoration: underline; }

.back { color: var(--muted); text-decoration: none; font-size: 13px; }
.back:hover { color: var(--primary); }

.btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: white;
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
  font-size: 14px;
}
.btn-primary {
  background: var(--primary); color: var(--primary-fg); border-color: var(--primary);
}
.btn-primary:hover { background: #5421d9; }

footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  background: var(--card);
  font-size: 12px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin: 16px 0 20px;
}
.tab {
  padding: 10px 16px;
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: 6px 6px 0 0;
  text-decoration: none;
  color: var(--muted);
  font-weight: 500;
  font-size: 14px;
  margin-bottom: -1px;
}
.tab:hover { color: var(--fg); background: rgba(0,0,0,0.02); }
.tab-active {
  color: var(--fg);
  background: var(--card);
  border-color: var(--border);
  border-bottom: 1px solid var(--card);
}