:root {
  --bg: #0f1117;
  --bg-2: #161a23;
  --bg-3: #1e2430;
  --panel: #171b25;
  --panel-2: #1c2230;
  --border: #2a3140;
  --border-2: #333c4d;
  --text: #e7eaf0;
  --text-dim: #9aa4b5;
  --text-faint: #6b7688;
  --brand: #a855f7;
  --brand-2: #7c3aed;
  --brand-soft: rgba(168, 85, 247, 0.15);
  --danger: #ef4444;
  --ok: #22c55e;
  --warn: #f59e0b;
  --radius: 10px;
  --radius-sm: 7px;
  --shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", "Consolas", monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

h1,
h2 {
  margin: 0;
  font-weight: 650;
}

a {
  color: var(--brand);
}

.app-shell {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.app-header {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  padding: 10px 18px;
  background: linear-gradient(180deg, var(--bg-2), var(--bg));
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 30;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-text h1 {
  font-size: 17px;
  letter-spacing: 0.2px;
  white-space: nowrap;
}

.brand-text p {
  margin: 0;
  font-size: 12px;
  color: var(--text-dim);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
}

.btn-primary {
  background: linear-gradient(180deg, var(--brand), var(--brand-2));
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  font-weight: 600;
}

.btn-ghost {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  padding: 7px 12px;
}

pre {
  font-family: var(--mono);
  font-size: 12px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  overflow: auto;
  max-height: 60vh;
}

.badge {
  background: var(--brand-soft);
  color: var(--brand);
  border-radius: 999px;
  padding: 2px 9px;
  font-size: 11px;
  font-weight: 700;
}

.badge.ok {
  background: rgba(34, 197, 94, 0.15);
  color: var(--ok);
}

.badge.fail {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
}