.auth-page {
  /* Richer auth backdrop on top of shared .panel-page shell */
  background:
    radial-gradient(ellipse 80% 60% at 15% 10%, var(--glow), transparent 55%),
    radial-gradient(ellipse 70% 50% at 90% 90%, color-mix(in srgb, var(--accent-warm) 35%, transparent), transparent 50%),
    linear-gradient(165deg, var(--desk) 0%, var(--desk-deep) 100%);
}

.auth-shell {
  min-height: 100%;
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
}

.auth-card {
  width: min(420px, 100%);
  background: linear-gradient(180deg, var(--surface-elevated) 0%, var(--panel) 100%);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 1.6rem 1.5rem 1.4rem;
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}

.auth-brand .brand-mark {
  width: 1.5rem;
  height: 1.5rem;
}

.auth-kicker {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-weight: 600;
}

.auth-brand h1 {
  margin: 0.1rem 0 0;
  font-family: Literata, Georgia, serif;
  font-size: 1.55rem;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem;
  padding: 0.3rem;
  background: rgba(var(--ink-rgb), 0.05);
  border-radius: 10px;
  margin-bottom: 1.15rem;
}

.auth-tab {
  border: none;
  background: transparent;
  border-radius: 8px;
  padding: 0.55rem 0.75rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  color: var(--ink-muted);
}

.auth-tab.active {
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 1px 2px rgba(var(--ink-rgb), 0.08);
}

.auth-switch-wrap {
  margin: 1rem 0 0;
  text-align: center;
}

.auth-switch {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.auth-switch:hover {
  color: var(--ink);
}

.auth-form,
.login-step {
  display: grid;
  gap: 0.85rem;
}

/*
  Critical: .auth-form { display:grid } beats the UA rule [hidden]{display:none}.
  Always pair hidden attribute with .is-hidden, and force display:none with !important.
  Login steps (#loginPasswordStep / #loginMethodStep / #loginCodeStep) must never
  appear together — JS showStep() hides all others before showing one.
*/
[hidden],
.is-hidden,
.auth-page [hidden],
.auth-page .is-hidden,
.auth-form[hidden],
.auth-form.is-hidden,
.login-step[hidden],
.login-step.is-hidden,
.recovery-step[hidden],
.recovery-step.is-hidden,
#loginPasswordStep[hidden],
#loginPasswordStep.is-hidden,
#loginMethodStep[hidden],
#loginMethodStep.is-hidden,
#loginCodeStep[hidden],
#loginCodeStep.is-hidden,
#email-step-request[hidden],
#email-step-request.is-hidden,
#email-step-reset[hidden],
#email-step-reset.is-hidden,
#email-step-success[hidden],
#email-step-success.is-hidden,
#email-flow[hidden],
#email-flow.is-hidden,
#service-flow[hidden],
#service-flow.is-hidden,
#step-code[hidden],
#step-code.is-hidden,
#step-reset[hidden],
#step-reset.is-hidden {
  display: none !important;
}

.auth-form:not([hidden]):not(.is-hidden),
.login-step:not([hidden]):not(.is-hidden),
.recovery-step:not([hidden]):not(.is-hidden) {
  display: grid;
}

.auth-2fa-hint {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.field {
  display: grid;
  gap: 0.35rem;
}

.field > span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-muted);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  height: 2.55rem;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 0 0.8rem;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
}

.field textarea {
  height: auto;
  min-height: 5rem;
  padding: 0.65rem 0.8rem;
  resize: vertical;
}

.field.checkbox-field {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.6rem;
}

.field.checkbox-field input[type="checkbox"] {
  width: 1.1rem !important;
  height: 1.1rem !important;
  min-height: 0;
  flex: 0 0 auto;
  padding: 0;
  margin: 0;
  border-radius: 4px;
  accent-color: var(--accent, #3b82c4);
}

.field.checkbox-field > span {
  margin: 0;
  font-weight: 500;
  color: var(--ink);
}

.field select {
  cursor: pointer;
  padding-right: 2rem;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid rgba(var(--accent-rgb), 0.35);
  outline-offset: 1px;
  border-color: var(--accent);
}

.field-check {
  align-content: center;
}

.field-check > span {
  display: inline-flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.35;
}

.field-check input[type="checkbox"] {
  width: 1.05rem;
  height: 1.05rem;
  margin: 0.15rem 0 0;
  flex: 0 0 auto;
  accent-color: var(--accent, #0f5c4c);
}

.field.hidden,
.field.is-hidden {
  display: none !important;
}

.auth-error {
  margin: 0;
  padding: 0.65rem 0.75rem;
  border-radius: 8px;
  background: #fce7ef;
  color: #9f1239;
  font-size: 0.9rem;
}

.auth-info {
  margin: 0;
  padding: 0.65rem 0.75rem;
  border-radius: 8px;
  background: #e8f1fb;
  color: #1e3a5f;
  font-size: 0.9rem;
}

.auth-success {
  margin: 0;
  padding: 0.65rem 0.75rem;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent);
}

.auth-submit {
  width: 100%;
  height: 2.65rem;
  margin-top: 0.2rem;
  justify-content: center;
}

.auth-note {
  margin: 1rem 0 0;
  font-size: 0.8rem;
  color: var(--ink-muted);
  line-height: 1.45;
}

.auth-footer {
  margin: 1.15rem 0 0;
  text-align: center;
}

.auth-footer-link {
  font-size: 0.8rem;
  color: var(--ink-muted);
  text-decoration: none;
}

.auth-footer-link:hover {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.auth-legal {
  margin: 0.85rem 0 0;
  text-align: center;
  font-size: 0.75rem;
  line-height: 1.4;
  color: var(--ink-muted);
}

.recovery-modes {
  display: flex;
  gap: 0.35rem;
  margin: 0 0 1rem;
  padding: 0.25rem;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.04);
}

.recovery-mode {
  flex: 1;
  border: 0;
  background: transparent;
  border-radius: 8px;
  padding: 0.55rem 0.4rem;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-muted);
  cursor: pointer;
}

.recovery-mode.is-active {
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}