/* =========================================================
   Hogar de los Abuelos — Auth (Login)
   Sistema Garden alineado con el home público.
   ========================================================= */

.auth-body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: var(--color-paper);
  font-family: var(--font-garden-body);
  color: var(--color-ink);
  -webkit-font-smoothing: antialiased;
}

.auth-body h1, .auth-body h2, .auth-body h3, .auth-body h4, .auth-body h5, .auth-body h6 {
  font-family: var(--font-garden-display);
  font-weight: 500;
  text-transform: none;
  letter-spacing: -0.015em;
  color: var(--color-ink);
}

/* ---------- Login layout ---------- */
.auth {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--margin-mobile);
}

.auth__card {
  width: 100%;
  max-width: 440px;
  background: #ffffff;
  border: 1px solid var(--color-rule);
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(18, 12, 10, 0.04);
  padding: var(--space-10) var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

/* ---------- Brand ---------- */
.auth__brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-garden-display);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  text-decoration: none;
  transition: opacity 0.2s;
}

.auth__brand:hover {
  opacity: 0.75;
}

.auth__brand:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 4px;
  border-radius: var(--radius-default);
}

.auth__brand-icon {
  width: 32px;
  height: 32px;
  background: var(--color-accent);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.auth__brand-icon svg {
  width: 18px;
  height: 18px;
  color: white;
}

.auth__brand-text {
  line-height: 1.2;
}

/* ---------- Header ---------- */
.auth__header {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.auth__title {
  font-family: var(--font-garden-display);
  font-size: 32px;
  font-weight: 500;
  color: var(--color-ink);
  margin: 0;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.auth__subtitle {
  color: var(--color-muted);
  font-size: 15px;
  margin: 0;
  font-family: var(--font-garden-body);
}

/* ---------- Form ---------- */
.auth__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.auth__error {
  display: none;
  padding: 12px 16px;
  background: oklch(95% 0.03 30);
  border: 1px solid var(--color-error-g);
  color: var(--color-error-g);
  border-radius: var(--radius-default);
  font-size: 14px;
  font-weight: 500;
  text-align: center;
}

.auth__error.is-visible {
  display: block;
  animation: auth-fade-in 0.2s ease;
}

@keyframes auth-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field-label {
  font-family: var(--font-garden-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink);
  margin: 0;
}

.auth-body .input {
  width: 100%;
  padding: 12px 14px;
  background: #ffffff;
  border: 1.5px solid var(--color-rule);
  border-radius: 8px;
  color: var(--color-ink);
  font-family: var(--font-garden-body);
  font-size: 15px;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.auth-body .input::placeholder {
  color: var(--color-muted);
  opacity: 0.6;
}

.auth-body .input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(82, 140, 80, 0.12);
}

/* ---------- Submit button ---------- */
.auth__submit {
  margin-top: var(--space-2);
  padding: 14px 32px;
  font-weight: 500;
  border-radius: 9999px;
  background: var(--color-accent);
  color: #ffffff;
  width: 100%;
  justify-content: center;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}

.auth__submit:hover {
  background: var(--color-accent-2);
  box-shadow: 0 4px 12px rgba(18, 12, 10, 0.08);
}

.auth__submit:active {
  transform: translateY(1px);
}

.auth__submit:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.auth__submit.is-loading {
  pointer-events: none;
  opacity: 0.7;
}

.auth__submit.is-loading::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: auth-spin 0.8s linear infinite;
}

.auth__submit {
  position: relative;
}

@keyframes auth-spin {
  to { transform: rotate(360deg); }
}

/* ---------- Demo hint ---------- */
.auth__demo {
  text-align: center;
  font-size: 13px;
  color: var(--color-muted);
  margin: 0;
  font-family: var(--font-garden-body);
}

.auth__demo strong {
  color: var(--color-ink);
  font-weight: 600;
}

/* ---------- Responsive ---------- */
@media (max-width: 480px) {
  .auth__card {
    padding: var(--space-8) var(--space-6);
    border-radius: 12px;
  }

  .auth__title {
    font-size: 28px;
  }
}