:root {
  --bg: #f5f5f7;
  --card: #ffffff;
  --border: #e4e4e7;
  --text: #18181b;
  --muted: #71717a;
  --primary: #0f172a;
  --primary-hover: #1e293b;
  --go: #16a34a;
  --go-hover: #15803d;
  --error: #b91c1c;
  --error-bg: #fee2e2;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--primary); }
.centered { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.container { max-width: 1000px; margin: 24px auto; padding: 0 16px; display: flex; flex-direction: column; gap: 16px; }
.topbar { display: flex; align-items: center; gap: 12px; padding: 14px 20px; background: var(--card); border-bottom: 1px solid var(--border); }
.topbar .brand { font-weight: 700; letter-spacing: -0.01em; }
.spacer { flex: 1; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 24px; }
.card h1, .card h2 { margin-top: 0; }
.muted { color: var(--muted); }
form label { display: block; margin-bottom: 14px; }
form label span { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
form input { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 15px; background: #fff; color: var(--text); }
form input:focus { outline: 2px solid var(--primary); outline-offset: -1px; border-color: transparent; }
.error { background: var(--error-bg); color: var(--error); padding: 10px 12px; border-radius: 8px; margin-bottom: 12px; font-size: 14px; }
button { cursor: pointer; border: 0; padding: 10px 16px; font-size: 15px; border-radius: 8px; font-weight: 600; }
button:disabled { opacity: 0.5; cursor: not-allowed; }
.primary { background: var(--primary); color: #fff; }
.primary:hover:not(:disabled) { background: var(--primary-hover); }
.go { background: var(--go); color: #fff; padding: 12px 22px; font-size: 16px; }
.go:hover:not(:disabled) { background: var(--go-hover); }
.link { background: none; color: var(--primary); padding: 4px 8px; }
.link:hover { text-decoration: underline; }
.range-form { display: grid; grid-template-columns: 1fr 1fr auto; gap: 16px; align-items: end; }
.range-form label { margin-bottom: 0; }
.runs { width: 100%; border-collapse: collapse; font-size: 14px; }
.runs th, .runs td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); }
.runs th { color: var(--muted); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
.runs a { color: var(--go); font-weight: 600; text-decoration: none; }
.runs a:hover { text-decoration: underline; }
.progress { height: 8px; background: var(--border); border-radius: 4px; overflow: hidden; margin-top: 16px; }
#progressBar { height: 100%; background: var(--go); width: 0%; transition: width 0.4s ease; }
.active-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.active-row > div > div:last-child { font-weight: 600; margin-top: 2px; }
.status-pill { display: inline-block; padding: 2px 10px; border-radius: 12px; font-size: 12px; font-weight: 600; }
.status-running { background: #dbeafe; color: #1e40af; }
.status-completed { background: #dcfce7; color: #166534; }
.status-failed { background: #fee2e2; color: #991b1b; }
@media (max-width: 640px) {
  .range-form { grid-template-columns: 1fr; }
  .active-row { grid-template-columns: 1fr; }
}