:root {
  color-scheme: dark;
  --bg: #0d1117;
  --panel: #161b22;
  --panel-2: #1f2630;
  --text: #e6edf3;
  --muted: #9da7b3;
  --ok: #2bd576;
  --warn: #f2a93b;
  --bad: #ff5d73;
  --accent: #5aa7ff;
  --border: rgba(255,255,255,0.08);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: Inter, system-ui, sans-serif; }
body { min-height: 100vh; }
.app-shell { width: min(100%, 720px); margin: 0 auto; padding: 20px 16px 36px; }
.panel { display: block; }
.hidden { display: none; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.76rem; color: var(--muted); margin-bottom: 8px; }
h1, h2 { margin: 0; }
h1 { font-size: 1.8rem; margin-bottom: 8px; }
h2 { font-size: 1.05rem; }
.subtext { color: var(--muted); line-height: 1.5; margin: 0 0 16px; }
.subtext.tight { margin-top: 10px; }
.stack, .card, .danger-card, .note-card { display: grid; gap: 12px; }
.card, .note-card { background: var(--panel); border: 1px solid var(--border); border-radius: 18px; padding: 16px; margin-top: 16px; }
.danger-card { background: rgba(255,93,115,0.07); border: 1px solid rgba(255,93,115,0.25); border-radius: 18px; padding: 16px; margin-top: 16px; }
label { display: grid; gap: 8px; font-size: 0.95rem; }
input { width: 100%; padding: 14px 15px; border-radius: 12px; border: 1px solid var(--border); background: var(--panel-2); color: var(--text); font-size: 1rem; }
button { appearance: none; border: 0; cursor: pointer; }
.btn { min-height: 48px; border-radius: 14px; padding: 12px 16px; font-size: 1rem; font-weight: 600; }
.btn:disabled { opacity: 0.6; cursor: wait; }
.btn-primary { background: var(--accent); color: #06111f; }
.btn-secondary { background: #27364a; color: var(--text); }
.btn-danger { background: var(--bad); color: white; }
.btn-ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); }
.header-row, .card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.banner { border-radius: 16px; padding: 14px 16px; font-weight: 700; margin: 16px 0; }
.banner-neutral { background: #222a35; color: var(--muted); }
.banner-ok { background: rgba(43,213,118,0.12); color: var(--ok); border: 1px solid rgba(43,213,118,0.25); }
.banner-bad { background: rgba(255,93,115,0.12); color: #ffb8c2; border: 1px solid rgba(255,93,115,0.25); }
.status-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 0; }
.status-grid div { background: var(--panel-2); border-radius: 14px; padding: 12px; border: 1px solid var(--border); }
.status-grid .wide { grid-column: 1 / -1; }
dt { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin-bottom: 8px; }
dd { margin: 0; font-size: 0.95rem; line-height: 1.4; word-break: break-word; }
.actions { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
.pill { padding: 6px 10px; border-radius: 999px; background: #253140; color: var(--muted); font-size: 0.78rem; }
.pill-danger { background: rgba(255,93,115,0.12); color: #ffb8c2; }
.mono, .log-box { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.log-box { margin: 0; background: #0a0f14; border-radius: 14px; padding: 14px; border: 1px solid var(--border); overflow: auto; max-height: 320px; white-space: pre-wrap; word-break: break-word; }
.message.error { color: #ffb8c2; min-height: 1.2em; }
@media (max-width: 540px) {
  .app-shell { padding-left: 12px; padding-right: 12px; }
  .header-row { align-items: flex-start; flex-direction: column; }
  .actions, .status-grid { grid-template-columns: 1fr; }
}