:root {
  --bg: #f8fafc;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --primary: #0f172a;
  --primary-text: #ffffff;
  --accent: #c2410c;
  --ok: #15803d;
  --warn: #b45309;
  --error: #b91c1c;
  --radius: 14px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1120;
    --card: #131c2e;
    --text: #e2e8f0;
    --muted: #94a3b8;
    --border: #1e293b;
    --primary: #e2e8f0;
    --primary-text: #0f172a;
    --ok: #4ade80;
    --warn: #fbbf24;
    --error: #f87171;
  }
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-tap-highlight-color: transparent;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

[hidden] { display: none !important; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; }
.brand img { border-radius: 7px; }
.topbar-actions { display: flex; gap: 6px; }

main {
  flex: 1;
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
  padding: 20px 16px 8px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.view { display: flex; flex-direction: column; gap: 16px; }

h1 { font-size: 1.6rem; line-height: 1.2; margin: 0; }
h2 { font-size: 1.1rem; margin: 0 0 4px; }
p { margin: 0; }
.muted { color: var(--muted); }
.hint { color: var(--muted); font-size: 0.875rem; }
code { font-size: 0.9em; padding: 1px 6px; border-radius: 6px; background: var(--border); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.login-card { margin-top: 12px; }
form { display: flex; flex-direction: column; gap: 14px; }
label { display: flex; flex-direction: column; gap: 6px; font-size: 0.9rem; font-weight: 500; }
input {
  font: inherit;
  font-size: 16px; /* below 16px iOS zooms the page on focus */
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
}
input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.error { color: var(--error); font-size: 0.9rem; }

.btn {
  font: inherit;
  font-weight: 600;
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  touch-action: manipulation;
}
.btn:disabled { opacity: 0.6; cursor: default; }
.btn-primary { background: var(--primary); color: var(--primary-text); border-color: var(--primary); }
.btn-ghost { background: transparent; border-color: transparent; }
.btn-small { padding: 6px 10px; font-size: 0.875rem; }
.btn-block { width: 100%; }

/* One card per row: the label can wrap, the value never does. */
.stats { display: flex; flex-direction: column; gap: 10px; }
.stat { flex-direction: row; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; }
.stat-text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.stat-label { color: var(--muted); font-size: 0.9rem; }
.stat-value { flex-shrink: 0; font-size: 1.6rem; font-weight: 700; letter-spacing: -0.02em; white-space: nowrap; }
.stat-delta { font-size: 0.8rem; color: var(--muted); }
.stat-delta.up { color: var(--ok); }

.actions { display: flex; flex-wrap: wrap; gap: 10px; }
.actions .btn { flex: 1 1 180px; }
.status { font-size: 0.9rem; }
.status:empty { display: none; }
.status.ok { color: var(--ok); }
.status.warn { color: var(--warn); }

.facts { display: grid; grid-template-columns: auto 1fr; gap: 8px 16px; margin: 0; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; font-weight: 500; text-align: right; }
.facts .ok { color: var(--ok); }
.facts .warn { color: var(--warn); }

.install-card { border-style: dashed; }
.install-steps { margin: 0; padding-left: 1.3em; display: flex; flex-direction: column; gap: 4px; }

.banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  background: var(--accent);
  color: #fff;
  font-size: 0.9rem;
}
.banner .btn { background: #fff; color: var(--accent); border-color: #fff; }

.footer { text-align: center; padding: 16px; font-size: 0.8rem; color: var(--muted); }
.footer a { color: inherit; }