* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #0f1117;
  color: #e1e4e8;
  min-height: 100vh;
}

header {
  background: #161b22;
  border-bottom: 1px solid #30363d;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}

header h1 {
  font-size: 1.25rem;
  color: #58a6ff;
  white-space: nowrap;
}

nav { display: flex; gap: 0.5rem; }

.tab {
  background: none;
  border: 1px solid transparent;
  color: #8b949e;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
}
.tab:hover { color: #e1e4e8; background: #21262d; }
.tab.active { color: #58a6ff; border-color: #58a6ff; background: #161b22; }

main { max-width: 1200px; margin: 2rem auto; padding: 0 1rem; }

.tab-content { display: none; }
.tab-content.active { display: block; }

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 8px;
  padding: 1.25rem;
  text-align: center;
}
.stat-card.highlight { border-color: #238636; }
.stat-card.warn { border-color: #da3633; }
.stat-value { font-size: 2rem; font-weight: 700; color: #f0f6fc; }
.stat-label { font-size: 0.85rem; color: #8b949e; margin-top: 0.25rem; }

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  background: #161b22;
  border-radius: 8px;
  overflow: hidden;
}
th, td { padding: 0.75rem 1rem; text-align: left; border-bottom: 1px solid #21262d; }
th { background: #21262d; color: #8b949e; font-size: 0.85rem; text-transform: uppercase; }
td { font-size: 0.9rem; }
tr:hover { background: #1c2128; }

/* Buttons */
.btn {
  padding: 0.5rem 1rem;
  border-radius: 6px;
  border: 1px solid #30363d;
  background: #21262d;
  color: #e1e4e8;
  cursor: pointer;
  font-size: 0.85rem;
}
.btn:hover { background: #30363d; }
.btn.primary { background: #238636; border-color: #238636; color: #fff; }
.btn.primary:hover { background: #2ea043; }
.btn.danger { background: #da3633; border-color: #da3633; color: #fff; }
.btn.danger:hover { background: #f85149; }
.btn.sm { padding: 0.25rem 0.5rem; font-size: 0.8rem; }

.toolbar { display: flex; gap: 0.5rem; margin-bottom: 1rem; align-items: center; }

/* Forms */
.form-card {
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1rem;
}
.form-card h3 { margin-bottom: 1rem; color: #58a6ff; }
.form-card label { display: block; margin-bottom: 0.75rem; font-size: 0.85rem; color: #8b949e; }
.form-card input, .form-card select {
  display: block;
  width: 100%;
  padding: 0.5rem;
  margin-top: 0.25rem;
  background: #0d1117;
  border: 1px solid #30363d;
  border-radius: 4px;
  color: #e1e4e8;
  font-size: 0.9rem;
}

/* Status badges */
.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge.published { background: #238636; color: #fff; }
.badge.failed { background: #da3633; color: #fff; }
.badge.pending, .badge.queued { background: #1f6feb; color: #fff; }
.badge.awaiting_approval { background: #d29922; color: #000; }
.badge.running, .badge.in_progress { background: #8957e5; color: #fff; }

/* Pipeline steps */
.step-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid #21262d;
}
.step-name { width: 100px; font-weight: 600; }
.step-status { width: 80px; }

/* Scheduler */
.scheduler-panel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: #238636;
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  display: none;
  z-index: 1000;
  animation: fadeIn 0.3s;
}
.toast.error { background: #da3633; }
.toast.show { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

h2, h3 { margin: 1.5rem 0 1rem; }
a { color: #58a6ff; text-decoration: none; }
a:hover { text-decoration: underline; }