.authButton {
  max-width: 190px;
  height: var(--control-h);
  padding: 0 14px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
  color: var(--text);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.authButton:hover { border-color: var(--bg); transform: translateY(-1px); }
.authButton.authPending { opacity: 1; cursor: default; transform: none; }
.authButton.authPending:empty {
  width: 132px;
  border-color: transparent;
  background: linear-gradient(100deg, var(--card) 25%, color-mix(in oklab, var(--card) 76%, var(--text) 24%) 45%, var(--card) 65%);
  background-size: 220% 100%;
  animation: auth-loading 1.25s ease-in-out infinite;
}
@keyframes auth-loading { to { background-position-x: -220%; } }
.authButton.authenticated::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--bg);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--bg) 16%, transparent);
}
.authOverlay[hidden] { display: none; }
.authOverlay {
  position: fixed;
  inset: 0;
  z-index: 5000;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(2, 8, 23, .72);
  backdrop-filter: blur(8px);
}
.authModalOpen { overflow: hidden; }
.authModal {
  position: relative;
  width: min(100%, 460px);
  max-height: calc(100vh - 40px);
  overflow: auto;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--card);
  color: var(--text);
  box-shadow: 0 30px 80px rgba(0, 0, 0, .5);
}
.authClose {
  position: absolute;
  top: 12px;
  right: 14px;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--muted);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
}
.authClose:hover { background: color-mix(in oklab, var(--card) 80%, var(--text) 20%); color: var(--text); }
.authClose:focus-visible { outline: 2px solid var(--bg); outline-offset: 1px; }
.authHeading { display: flex; gap: 14px; padding-right: 28px; }
.authMark, .authAvatar {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  color: #fff;
  font-weight: 900;
  background: linear-gradient(135deg, var(--bg), var(--bg-2));
}
.authHeading h2, .authSignedIn h2 { margin: 0 0 5px; font-size: 21px; }
.authHeading p { margin: 0 0 22px; color: var(--muted); font-size: 14px; line-height: 1.45; }
.authGoogle {
  width: 100%;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--card);
  color: var(--text);
  font: inherit;
  font-weight: 750;
  cursor: pointer;
}
.authGoogle:hover { border-color: var(--bg); }
.googleMark, .googleMark svg { display: block; width: 20px; height: 20px; }
.authDivider { display: flex; align-items: center; gap: 12px; margin: 20px 0; color: var(--muted); font-size: 12px; }
.authDivider::before, .authDivider::after { content: ""; flex: 1; height: 1px; background: var(--border); }
.authForm { display: grid; gap: 14px; }
.authForm label { display: grid; gap: 7px; color: var(--muted); font-size: 13px; font-weight: 650; }
.authForm input {
  width: 100%;
  height: 44px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--page);
  color: var(--text);
  font: inherit;
}
.authForm input:focus { outline: 2px solid var(--bg); outline-offset: 1px; }
.authActions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.authSignIn, .authRegister { width: 100%; justify-content: center; }
.authRegister {
  border-color: color-mix(in oklab, var(--bg) 48%, var(--border));
  background: color-mix(in oklab, var(--bg) 10%, var(--card));
  color: var(--text);
}
.authRegister:hover {
  border-color: var(--bg);
  background: color-mix(in oklab, var(--bg) 16%, var(--card));
  box-shadow: none;
}
.authEmailLink {
  border: 0;
  background: transparent;
  color: var(--bg);
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}
.authModal.accountMode { width: min(100%, 400px); padding: 24px; }
.authAccountHeader {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 42px 20px 0;
  border-bottom: 1px solid var(--border);
}
.authSignedIn .authAvatar { width: 52px; height: 52px; border-radius: 16px; font-size: 20px; }
.authAccountIdentity { min-width: 0; text-align: left; }
.authAccountLabel { margin-bottom: 3px; color: var(--muted); font-size: 12px; }
.authName { overflow: hidden; color: var(--text); font-size: 16px; font-weight: 800; text-overflow: ellipsis; white-space: nowrap; }
.authIdentity { overflow: hidden; margin-top: 3px; color: var(--muted); font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.authSignOut {
  width: 100%;
  height: 42px;
  margin-top: 18px;
  border: 1px solid color-mix(in oklab, var(--danger) 45%, var(--border));
  border-radius: 10px;
  background: color-mix(in oklab, var(--danger) 10%, transparent);
  color: var(--danger);
  font: inherit;
  font-weight: 750;
  cursor: pointer;
}
.authSignOut:hover { background: color-mix(in oklab, var(--danger) 18%, transparent); }
.authStatus { min-height: 20px; margin-top: 16px; text-align: center; color: var(--muted); font-size: 13px; }
.authStatus:empty { display: none; }
.authStatus.error { color: var(--danger); }
.authStatus.success { color: color-mix(in oklab, var(--green) 58%, var(--text)); }
.authModal button:disabled, .authModal input:disabled { opacity: .6; cursor: wait; }
@media (max-width: 720px) {
  .authButton { max-width: 118px; padding: 0 12px; }
}
@media (max-width: 480px) {
  .authOverlay { padding: 12px; place-items: end center; }
  .authModal {
    width: 100%;
    max-height: calc(100dvh - 24px);
    padding: 24px 18px;
    border-radius: 20px 20px 14px 14px;
  }
  .authActions { grid-template-columns: 1fr; }
}