.topbar button.auth-open {
  width: auto;
  min-width: 44px;
  padding: 0 12px;
  font: 600 13px/1 var(--font-sans);
  letter-spacing: 0.01em;
  max-width: 148px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
html.auth-open, html.auth-open body { overflow: hidden; }
#authRoot[hidden], .auth-root[hidden] { display: none !important; }
#authRoot, .auth-root {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}
.auth-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 20, 19, 0.38);
}
.auth-card {
  position: relative;
  z-index: 1;
  width: min(400px, 100%);
  max-height: min(92vh, 640px);
  overflow: auto;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  padding: 22px 22px 18px;
}
.auth-card h2 {
  margin: 0 28px 8px 0;
  font: 600 22px/1.25 var(--font-display);
}
.auth-card p {
  margin: 0 0 14px;
  color: var(--text-dim);
  font-size: 14px;
}
.auth-card label {
  display: block;
  margin: 0 0 6px;
  font: 600 13px/1.3 var(--font-sans);
}
.auth-card input {
  display: block;
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  height: 44px;
  margin: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  padding: 0 12px;
  font: 16px/1.3 var(--font-sans);
  background: var(--surface-2);
  color: var(--text);
}
.auth-card input[readonly] { background: var(--surface-2); }
.auth-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 16px;
}
.auth-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 44px;
  padding: 0 14px;
  border: none;
  border-radius: var(--r-sm);
  font: 600 14px/1 var(--font-sans);
  text-decoration: none;
  cursor: pointer;
}
.auth-btn[disabled] { opacity: 0.45; cursor: default; }
.auth-btn-primary { background: var(--accent); color: var(--accent-ink); }
.auth-btn-primary:hover:not([disabled]) { background: var(--accent-fill); }
.auth-btn-ghost { background: transparent; color: var(--text-dim); }
.auth-btn-ghost:hover { background: var(--accent-soft); color: var(--text); }
.auth-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 36px;
  min-width: 36px;
  max-width: 36px;
  height: 36px;
  padding: 0;
  border: none;
  border-radius: 10px;
  background: transparent;
  color: var(--text-mute);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}
.auth-close:hover { background: var(--accent-soft); color: var(--text); }
.auth-error {
  display: block;
  margin: 0 0 12px;
  color: #8a2b1e;
  font-size: 13px;
}
.auth-error[hidden], .auth-step[hidden] { display: none !important; }
.auth-call-number {
  font: 600 26px/1.2 var(--font-display);
  letter-spacing: 0.02em;
  margin: 4px 0 12px;
  color: var(--text);
}
.auth-legal {
  margin: 16px 0 0;
  font-size: 12px;
  color: var(--text-mute);
}
.auth-legal a { color: var(--accent-2); }
@media (prefers-reduced-motion: reduce) {
  #authRoot, .auth-root, .auth-card { transition: none; }
}
@media print {
  #authRoot, .auth-root, .topbar button.auth-open { display: none !important; }
}