:root {
  --bg: #0f1419;
  --card: #1a2332;
  --border: #2d3a4f;
  --text: #e7ecf3;
  --muted: #8b9cb3;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --success: #22c55e;
  --warning: #f59e0b;
  --error: #ef4444;
}

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

body {
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

header {
  padding: 2rem 1.5rem 1rem;
  border-bottom: 1px solid var(--border);
}

h1 { font-size: 1.75rem; font-weight: 600; }
.subtitle { color: var(--muted); margin-top: 0.25rem; }

main { max-width: 1200px; margin: 0 auto; padding: 1.5rem; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.card h2 { font-size: 1rem; margin-bottom: 1rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }

.grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 1rem; }

@media (max-width: 900px) { .grid { grid-template-columns: 1fr; } }

input, textarea, button {
  font: inherit;
  border-radius: 8px;
  border: 1px solid var(--border);
  padding: 0.65rem 0.85rem;
  background: var(--bg);
  color: var(--text);
}

textarea { width: 100%; resize: vertical; margin: 0.5rem 0; }

button {
  background: var(--accent);
  border: none;
  cursor: pointer;
  font-weight: 600;
}

button:hover { background: var(--accent-hover); }
button.secondary { background: transparent; border: 1px solid var(--border); margin-bottom: 0.75rem; }

.row { display: flex; gap: 0.5rem; }
.row input { flex: 1; }

.checkbox { display: flex; align-items: center; gap: 0.5rem; margin: 0.5rem 0 1rem; color: var(--muted); }

#task-list { list-style: none; }

#task-list li {
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 0.5rem;
  cursor: pointer;
  transition: border-color 0.15s;
}

#task-list li:hover, #task-list li.active { border-color: var(--accent); }

.task-meta { font-size: 0.8rem; color: var(--muted); margin-top: 0.25rem; }

.badge {
  display: inline-block;
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  text-transform: uppercase;
  font-weight: 600;
}

.badge.pending { background: #334155; color: var(--muted); }
.badge.running { background: #1e3a5f; color: #60a5fa; }
.badge.completed { background: #14532d; color: var(--success); }
.badge.failed { background: #450a0a; color: var(--error); }

.detail.empty { color: var(--muted); }

.step {
  border-left: 3px solid var(--accent);
  padding-left: 1rem;
  margin: 1rem 0;
}

.step h3 { font-size: 0.9rem; margin-bottom: 0.5rem; }
.step pre {
  white-space: pre-wrap;
  word-break: break-word;
  background: var(--bg);
  padding: 0.75rem;
  border-radius: 8px;
  font-size: 0.85rem;
  max-height: 300px;
  overflow-y: auto;
}

.links a { color: var(--accent); }