/* User settings menu (gear button + popup). See js/modules/settings.js */
#user-settings-btn {
  position: fixed; top: 12px; right: 12px; z-index: 900;
  width: 40px; height: 40px; display: grid; place-items: center; padding: 0;
  border: 1px solid var(--border); border-radius: 50%;
  background: var(--surface); color: var(--text-muted); cursor: pointer;
  box-shadow: var(--shadow); transition: color 0.15s, transform 0.15s;
}
#user-settings-btn:hover { color: var(--text); transform: rotate(30deg); }
#user-settings-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.user-settings-dialog { padding: 0; width: min(94vw, 440px); max-height: 86vh; background: var(--surface); color: inherit; overflow: hidden; }
.user-settings-dialog[open] { display: flex; flex-direction: column; }
.us-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 18px 10px; }
.us-head h2 { margin: 0; font-size: 1.15rem; letter-spacing: -0.02em; }
.us-close { border: none; background: none; color: var(--text-muted); font-size: 1.1rem; cursor: pointer; padding: 6px; }
.us-body { padding: 0 18px 18px; overflow-y: auto; }
.us-section h3 { margin: 14px 0 4px; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); }
.us-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.us-text { display: flex; flex-direction: column; gap: 2px; }
.us-hint { font-size: 0.8rem; color: var(--text-muted); }
.us-empty { color: var(--text-muted); text-align: center; margin: 18px 0 8px; }
.us-row select { background: var(--bg); color: inherit; border: 1px solid var(--border); border-radius: 10px; padding: 6px 8px; }