:root {
  --bg: #ffffff;
  --bg-soft: #f5f7f6;
  --border: #e3e8e5;
  --text: #1b2620;
  --muted: #6b7770;
  --accent: #0d6e3a;
  --accent-soft: #e6f3ec;
  --buy: #0d6e3a;
  --sell: #b3261e;
  --error-bg: #fdecea;
  --error-fg: #b3261e;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 5;
  padding-top: max(14px, env(safe-area-inset-top));
}
.topbar h1 {
  font-size: 18px;
  font-weight: 600;
  margin: 0;
}
.status {
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 12px;
  background: var(--bg-soft);
  color: var(--muted);
}
.status--ok { background: var(--accent-soft); color: var(--accent); }
.status--err { background: var(--error-bg); color: var(--error-fg); }

#main {
  max-width: 720px;
  margin: 0 auto;
  padding: 16px;
}

.onboarding, .permission-card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 16px;
}
.onboarding h2 { font-size: 16px; margin: 0 0 8px 0; }
.onboarding ol { padding-left: 20px; margin: 0; }
.onboarding li { margin-bottom: 6px; }
.muted { color: var(--muted); font-size: 13px; margin-top: 8px; }

.permission-card { text-align: center; }
.permission-card button {
  background: var(--accent);
  color: white;
  border: 0;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 15px;
  cursor: pointer;
}
.permission-card .error { color: var(--error-fg); margin-top: 8px; font-size: 13px; }

.feed {
  list-style: none;
  padding: 0;
  margin: 0;
}
.signal {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--bg);
}
.signal-row1 {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
}
.ticker {
  font-weight: 600;
  font-size: 17px;
}
.side {
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 999px;
}
.side-buy { background: var(--accent-soft); color: var(--buy); }
.side-sell { background: var(--error-bg); color: var(--sell); }
.side-other { background: var(--bg-soft); color: var(--muted); }
.price {
  font-variant-numeric: tabular-nums;
  font-size: 16px;
  color: var(--text);
}
.signal-row2 {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 13px;
}
.signal-extra {
  color: var(--muted);
  font-size: 12px;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
.empty {
  color: var(--muted);
  text-align: center;
  padding: 32px 0;
}
.footer {
  padding: 12px 16px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
  padding-bottom: max(12px, env(safe-area-inset-bottom));
}
.hidden { display: none !important; }

.diag-wrap {
  margin-top: 20px;
  font-size: 12px;
  color: var(--muted);
}
.diag-wrap summary { cursor: pointer; }
#diag {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 11px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--text);
}
.sub-ok { color: var(--accent); font-weight: 600; }