:root {
  color-scheme: dark;
  /* Everforest dark (medium) — the fallback palette. theme.js overrides these
     with the browser theme's colors when Firefox/Zen exposes them. */
  --bg: #2d353b;
  --panel: #343f44;
  --border: #475258;
  --text: #d3c6aa;
  --muted: #859289;
  --accent: #7fbbb3;
  --error: #e67e80;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 12px;
  font: 13px/1.45 system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
}

h1 {
  font-size: 15px;
  margin: 0;
  letter-spacing: 0.04em;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

section {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  margin-bottom: 10px;
}

.rule-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  margin-bottom: 8px;
}

.row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
}

.vs { color: var(--muted); }

input[type="text"], input[type="password"], input:not([type]), select {
  flex: 1;
  min-width: 0;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 6px 8px;
  font: inherit;
}

input:focus, select:focus { outline: 1px solid var(--accent); }

button {
  background: var(--accent);
  border: none;
  border-radius: 6px;
  color: #fff;
  padding: 6px 10px;
  font: inherit;
  cursor: pointer;
}

button:disabled { opacity: 0.5; cursor: default; }

.master {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--muted);
}

.master input:checked + span { color: var(--accent); }

label { display: block; margin-bottom: 4px; }

.hint {
  min-height: 1em;
  margin: 6px 0 0;
  color: var(--error);
  font-size: 12px;
}

.hint.ok { color: #4caf7d; }

footer { color: var(--muted); }

footer b { color: var(--text); }

.error { color: var(--error); min-height: 1em; margin: 4px 0; }

.note { font-size: 12px; }