:root {
  --bg: #ffffff;
  --surface: #f6f8fc;
  --text: #1f1f1f;
  --muted: #5f6368;
  --border: #e0e3e7;
  --accent: #0b57d0;
  --red: #d93025;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1f1f1f;
    --surface: #2a2b2e;
    --text: #e8eaed;
    --muted: #9aa0a6;
    --border: #3c4043;
    --accent: #8ab4f8;
    --red: #f28b82;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 13px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}
button, input, select { font: inherit; color: inherit; }
button {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 6px;
  padding: 4px 10px;
  cursor: pointer;
}
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); color: var(--bg); border-color: var(--accent); }
a { color: var(--accent); }
.muted { color: var(--muted); }
.dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }

/* Popup */
body.popup { width: 380px; }
header, footer {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 12px;
}
header { border-bottom: 1px solid var(--border); }
header h1 { font-size: 14px; margin: 0; flex: 1; }
footer { border-top: 1px solid var(--border); justify-content: space-between; font-size: 11px; }
#accounts { max-height: 480px; overflow-y: auto; }
.account { border-bottom: 1px solid var(--border); }
.account-head {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; cursor: pointer;
}
.account-head:hover { background: var(--surface); }
.account-name { flex: 1; min-width: 0; }
.account-name strong, .account-name span {
  display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.account-name span { color: var(--muted); font-size: 11px; }
.count {
  min-width: 22px; padding: 1px 7px; border-radius: 10px;
  background: var(--red); color: var(--bg); font-weight: 600; text-align: center;
}
.count.zero { background: var(--surface); color: var(--muted); }
.actions { display: flex; gap: 4px; }
.actions button { padding: 2px 8px; font-size: 12px; }
.mails { display: none; background: var(--surface); }
.account.open .mails { display: block; }
.mail {
  display: block; padding: 8px 12px 8px 32px;
  text-decoration: none; color: inherit; border-top: 1px solid var(--border);
}
.mail:hover { background: var(--bg); }
.mail-top { display: flex; gap: 8px; }
.mail-from { font-weight: 600; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mail-date { color: var(--muted); font-size: 11px; flex: none; }
.mail-subject, .mail-snippet { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mail-snippet { color: var(--muted); font-size: 12px; }
.note { padding: 8px 12px 8px 32px; color: var(--muted); }
.empty { padding: 24px 16px; text-align: center; }

/* Impostazioni */
body.options { max-width: 640px; margin: 0 auto; padding: 24px 16px; background: var(--bg); }
.options h1 { font-size: 20px; }
.options h2 { font-size: 15px; margin-top: 28px; }
.row { display: flex; align-items: center; gap: 8px; padding: 8px 0; border-bottom: 1px solid var(--border); }
.row input[type="text"], .row input[type="email"] {
  flex: 1; min-width: 0; padding: 6px 8px;
  border: 1px solid var(--border); border-radius: 6px; background: var(--bg);
}
.row input[type="color"] { width: 32px; height: 30px; padding: 0; border: none; background: none; }
form.row { border-bottom: none; }
.field { display: flex; align-items: center; gap: 8px; margin: 10px 0; }
select { padding: 4px 6px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); }
.hint { font-size: 12px; color: var(--muted); }
#status { color: var(--accent); min-height: 1.4em; }