:root {
  --bg: #0f1720;
  --card: #17212b;
  --fg: #e6edf3;
  --muted: #8b98a5;
  --accent: #2f81f7;
  --ok: #2ea043;
  --warn: #d29922;
  --border: #2a3742;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.55;
}

.container { max-width: 760px; margin: 0 auto; padding: 24px 20px 64px; }

.app-header { padding: 12px 0 24px; border-bottom: 1px solid var(--border); margin-bottom: 24px; }
.brand { color: var(--fg); text-decoration: none; font-weight: 700; letter-spacing: 0.2px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}

h1 { margin-top: 0; font-size: 1.5rem; }
h2 { font-size: 1.1rem; margin-top: 24px; }

.muted { color: var(--muted); }
code { background: rgba(255,255,255,0.06); padding: 1px 6px; border-radius: 5px; font-size: 0.9em; }

.actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-top: 20px; }
.inline { display: inline; margin: 0; }

.btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--fg);
  text-decoration: none;
  font-size: 0.95rem;
  cursor: pointer;
}
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.btn.disabled { opacity: 0.5; pointer-events: none; }

.alert { border-radius: 8px; padding: 12px 14px; margin: 16px 0; border: 1px solid var(--border); }
.alert.ok { background: rgba(46,160,67,0.12); border-color: var(--ok); }
.alert.warn { background: rgba(210,153,34,0.12); border-color: var(--warn); }
.alert ul { margin: 8px 0 0; padding-left: 20px; }

table.counts { width: 100%; border-collapse: collapse; margin-top: 12px; }
table.counts th, table.counts td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
table.counts th { color: var(--muted); font-weight: 600; }

pre.response {
  background: #0b1016;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}