:root {
  --bg: #f4f6f9; --card: #fff; --line: #e0e5ee; --text: #141922; --muted: #5f6b7a;
  --accent: #2f6df0; --err: #d6394f; --ok: #0f9d63;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0d1017; --card: #1a2030; --line: #2a3448; --text: #e6ebf5; --muted: #8b97ac; --accent: #4b8bff; }
}
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: var(--bg); color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
.auth-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  width: min(400px, 92vw); padding: 26px; box-shadow: 0 6px 30px rgba(20,30,50,.10);
}
.language-switch { display: flex; justify-content: flex-end; align-items: center; gap: 6px; margin: -4px 0 6px; }
.language-switch label { margin: 0; }
.language-switch select { padding: 4px 7px; border: 1px solid var(--line); border-radius: 7px; background: var(--bg); color: var(--text); font-size: 11px; }
.settings-card > .language-switch { margin: -2px 0 5px; }
.auth-logo { font-weight: 800; font-size: 22px; margin: 0 0 4px; }
.auth-logo span { color: var(--accent); }
.auth-sub { color: var(--muted); font-size: 13px; margin-bottom: 18px; }
label { display: block; font-size: 12px; color: var(--muted); margin: 12px 0 4px; }
input, textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 9px;
  background: var(--bg); color: var(--text); font-size: 14px;
}
input:focus, textarea:focus { outline: 2px solid var(--accent); border-color: var(--accent); }
.btn {
  width: 100%; margin-top: 16px; padding: 11px; border: none; border-radius: 9px;
  background: var(--accent); color: #fff; font-weight: 700; font-size: 14px; cursor: pointer;
}
.btn:hover { filter: brightness(1.07); }
.btn.secondary { background: transparent; color: var(--accent); border: 1px solid var(--line); }
.msg { margin-top: 14px; font-size: 13px; min-height: 18px; }
.msg.err { color: var(--err); }
.msg.ok { color: var(--ok); }
.dev-code { margin-top: 12px; padding: 8px 10px; border: 1px dashed var(--accent); border-radius: 8px; font-size: 12px; color: var(--muted); }
.dev-code b { color: var(--text); font-family: ui-monospace, monospace; font-size: 15px; letter-spacing: 2px; }
.links { margin-top: 16px; font-size: 13px; display: flex; justify-content: space-between; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.hidden { display: none; }
.profile-row { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.profile-row .k { color: var(--muted); }
.btn.google { display: block; text-align: center; text-decoration: none; background: var(--card); color: var(--text); border: 1px solid var(--line); }
.btn.google:hover { text-decoration: none; border-color: var(--accent); filter: none; }
.btn.danger { background: var(--err); }
.oauth-divider { display: flex; align-items: center; gap: 10px; margin-top: 16px; color: var(--muted); font-size: 12px; }
.oauth-divider::before, .oauth-divider::after { content: ""; flex: 1; border-top: 1px solid var(--line); }
.session-row { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
.session-meta { color: var(--muted); font-size: 12px; margin-top: 2px; }
.badge { color: var(--ok); font-size: 11px; border: 1px solid var(--ok); border-radius: 999px; padding: 1px 7px; }

/* Compact account settings */
.account-page { align-items: flex-start; padding: 8px 12px 28px; }
.settings-card { width: min(460px, 94vw); padding: 10px 20px 20px; }
.settings-tabs {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 3px; padding: 3px;
  border: 1px solid var(--line); border-radius: 11px; background: var(--bg);
}
.settings-tab {
  min-width: 0; padding: 8px 5px; border: 0; border-radius: 8px; background: transparent;
  color: var(--muted); font-size: 11px; font-weight: 700; cursor: pointer;
}
.settings-tab:hover { color: var(--text); }
.settings-tab.on { background: var(--card); color: var(--accent); box-shadow: 0 1px 5px rgba(20,30,50,.10); }
.settings-tab-panel { padding-top: 1px; }
.settings-panel {
  margin-top: 10px; padding: 13px 14px; border: 1px solid var(--line); border-radius: 12px;
  background: var(--card);
}
.settings-panel h2 { margin: 0 0 8px; font-size: 14px; }
.contact-row { display: flex; align-items: center; gap: 10px; min-height: 44px; border-bottom: 1px solid var(--line); }
.contact-row:last-of-type { border-bottom: 0; }
.contact-copy { min-width: 0; flex: 1; }
.contact-label { color: var(--muted); font-size: 11px; margin-bottom: 2px; }
.contact-value { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; }
.icon-btn {
  width: 30px; height: 30px; display: grid; place-items: center; flex: 0 0 auto; padding: 0;
  border: 1px solid var(--line); border-radius: 9px; background: transparent; color: var(--muted);
  font-size: 15px; cursor: pointer;
}
.icon-btn:hover, .icon-btn.active { color: var(--accent); border-color: var(--accent); background: var(--bg); }
.profile-facts { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 9px; }
.profile-fact { padding: 3px 7px; border-radius: 999px; background: var(--bg); color: var(--muted); font-size: 10px; }
.language-pills { display: inline-flex; gap: 1px; padding: 2px; border-radius: 999px; background: var(--bg); }
.language-pill { border: 0; border-radius: 999px; padding: 1px 7px; background: transparent; color: var(--muted); font-size: 10px; cursor: pointer; }
.language-pill.on { background: var(--card); color: var(--accent); box-shadow: 0 1px 3px rgba(20,30,50,.12); }
.verified { color: var(--ok); }
.settings-card label { margin-top: 9px; }
.settings-card input { padding: 9px 10px; }
#phoneEditor input,
#phoneEditor input:-webkit-autofill {
  background: var(--bg); color: var(--text); -webkit-text-fill-color: var(--text);
  box-shadow: 0 0 0 1000px var(--bg) inset;
}
.settings-card .btn { margin-top: 10px; padding: 9px 11px; }
.settings-card .compact-btn { width: auto; font-size: 12px; }
.profile-panel > .compact-btn { margin-top: 10px; }
.settings-footer {
  margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--line);
}
.settings-footer label { display: block; margin: 0 0 6px; color: var(--muted); font-size: 12px; }
.settings-footer .btn { width: 100%; margin-top: 0; }
.sessions-panel { margin-top: 10px; }
.sessions-panel .session-row { padding: 7px 0; }
.danger-panel { margin-top: 10px; border-color: rgba(214,57,79,.35); }
.danger-panel h2 { color: var(--err); }
.danger-panel .auth-sub { margin-bottom: 8px; }
.settings-card #appKeys > .auth-logo,
.settings-card #klPrefs > .auth-logo { font-size: 14px !important; margin: 0 0 8px !important; }
.settings-card #appKeys .auth-sub { margin-bottom: 8px; }
.settings-card #klPrefs { margin-top: 10px; padding: 13px 14px; border: 1px solid var(--line); border-radius: 12px; }
.settings-card .msg { min-height: 0; }

@media (max-width: 520px) {
  .account-page { padding: 4px 0 10px; }
  .settings-card { width: 96vw; padding: 8px 15px 15px; border-radius: 14px; }
  .settings-panel, .settings-card #klPrefs { padding: 11px 12px; }
  .contact-value { font-size: 12px; }
}