/* =========================================================
   AUTH / LOGIN STYLES
   Used by login.html (and later, signed-in account UIs that
   share button/form patterns).
   ========================================================= */

.auth-wrap {
  padding: clamp(2rem, 5vw, 4rem) 0 clamp(4rem, 8vw, 6rem);
  display: flex;
  justify-content: center;
}

.auth-card {
  width: 100%;
  max-width: 460px;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  box-shadow: var(--shadow);
}

/* ---------- Tabs ---------- */
.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-bottom: 1.8rem;
  border-bottom: 1px solid var(--line);
}

.auth-tab {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--cream-muted);
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 1rem 0.5rem;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
  margin-bottom: -1px;
}

.auth-tab:hover,
.auth-tab:focus-visible {
  color: var(--cream);
}

.auth-tab.is-active {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- Message banner ---------- */
.auth-message {
  margin-bottom: 1.2rem;
  padding: 0.9rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  line-height: 1.5;
  border: 1px solid var(--line);
}

.auth-message--info {
  background: var(--gold-soft);
  border-color: rgba(201, 169, 97, 0.3);
  color: var(--cream);
}

.auth-message--success {
  background: rgba(90, 138, 58, 0.12);
  border-color: rgba(90, 138, 58, 0.4);
  color: #b6d399;
}

.auth-message--error {
  background: rgba(198, 61, 47, 0.12);
  border-color: rgba(198, 61, 47, 0.4);
  color: #f4b3a8;
}

/* ---------- Form ---------- */
.auth-form {
  display: grid;
  gap: 1rem;
}

.auth-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.auth-field > span {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.auth-field input {
  background: var(--bg-deeper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  color: var(--cream);
  font-family: var(--sans);
  font-size: 1rem;
  transition: border-color 0.2s ease;
}

.auth-field input::placeholder {
  color: var(--muted);
  opacity: 0.7;
}

.auth-field input:focus {
  outline: none;
  border-color: var(--gold);
}

.auth-submit {
  width: 100%;
  margin-top: 0.4rem;
  padding: 1rem;
  font-size: 0.85rem;
}

.auth-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* ---------- Divider ---------- */
.auth-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.8rem 0 1.4rem;
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--line);
}

/* ---------- Alternative method buttons ---------- */
.auth-methods {
  display: grid;
  gap: 0.75rem;
}

.auth-method-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  width: 100%;
  padding: 0.9rem 1rem;
  background: var(--bg-deeper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--cream);
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.auth-method-btn:hover:not(:disabled),
.auth-method-btn:focus-visible:not(:disabled) {
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-1px);
}

.auth-method-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.auth-method-icon {
  font-size: 1rem;
  color: var(--gold);
}

.auth-method-btn--google svg {
  flex-shrink: 0;
}

/* ---------- Footer note inside card ---------- */
.auth-card__footnote {
  margin: 1.4rem 0 0;
  text-align: center;
  font-size: 0.8rem;
  color: var(--muted);
}

.auth-card__footnote a {
  color: var(--gold);
}