/* Login — paleta institucional AeI (Bronce / Piedra / Arena / Grafito / Lino / Blanco) */

.aei-login-page {
  --aei-bronce: #A89880;
  --aei-bronce-hover: #96876f;
  --aei-piedra: #7A7870;
  --aei-arena: #E8E3DA;
  --aei-grafito: #3A3A38;
  --aei-lino: #C8C4BC;
  --aei-blanco: #FAF8F5;
  --aei-login-card-bg: #ffffff;
  --aei-login-shadow: 0 18px 48px rgba(58, 58, 56, 0.1), 0 4px 12px rgba(58, 58, 56, 0.04);

  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 1.25rem;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(232, 227, 218, 0.9) 0%, transparent 55%),
    linear-gradient(180deg, var(--aei-blanco) 0%, var(--aei-arena) 100%);
  color: var(--aei-grafito);
}

.aei-login-page__logo {
  margin-bottom: 1.75rem;
}

.aei-login-page__logo .aei-brand__logo {
  width: 84px;
  height: 84px;
}

.aei-login-card {
  width: 100%;
  max-width: 420px;
  background: var(--aei-login-card-bg);
  border-radius: 16px;
  box-shadow: var(--aei-login-shadow);
  border: 1px solid rgba(200, 196, 188, 0.55);
  overflow: hidden;
  animation: aei-login-enter 420ms ease-out;
}

@keyframes aei-login-enter {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.aei-login-card__header {
  padding: 2rem 2rem 0;
  background: transparent;
  color: var(--aei-grafito);
}

.aei-login-card__title {
  margin: 0;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--aei-lino);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-align: center;
  color: var(--aei-grafito);
  line-height: 1.3;
}

.aei-login-card__body {
  padding: 1.75rem 2rem 2rem;
}

.aei-login-alert {
  margin-bottom: 1.25rem;
  font-size: 0.875rem;
  border-radius: 8px;
}

.aei-login-field {
  margin-bottom: 1.5rem;
}

.aei-login-label {
  display: block;
  margin-bottom: 0.55rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--aei-piedra);
}

.aei-login-input {
  display: block;
  width: 100%;
  padding: 0.45rem 0 0.65rem;
  border: 0;
  border-bottom: 1px solid var(--aei-lino);
  border-radius: 0;
  background: transparent;
  color: var(--aei-grafito);
  font-family: inherit;
  font-size: 0.95rem;
  line-height: 1.4;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.aei-login-input::placeholder {
  color: var(--aei-lino);
}

.aei-login-input:focus {
  outline: none;
  border-bottom-color: var(--aei-bronce);
  box-shadow: 0 1px 0 0 var(--aei-bronce);
}

.aei-login-input:invalid:not(:placeholder-shown):not(:focus) {
  border-bottom-color: #c45c5c;
}

.aei-login-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin: 0.25rem 0 1.75rem;
  flex-wrap: wrap;
}

.aei-login-remember {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  font-size: 0.875rem;
  color: var(--aei-piedra);
  cursor: pointer;
  user-select: none;
}

.aei-login-remember input {
  appearance: none;
  width: 1rem;
  height: 1rem;
  margin: 0;
  border: 1.5px solid var(--aei-lino);
  border-radius: 3px;
  background: transparent;
  display: grid;
  place-content: center;
  cursor: pointer;
  transition: border-color 160ms ease, background-color 160ms ease;
}

.aei-login-remember input::before {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  transform: scale(0);
  transition: transform 120ms ease-in-out;
  box-shadow: inset 1rem 1rem var(--aei-blanco);
  clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0, 43% 62%);
}

.aei-login-remember input:checked {
  background: var(--aei-bronce);
  border-color: var(--aei-bronce);
}

.aei-login-remember input:checked::before {
  transform: scale(1);
}

.aei-login-remember input:focus-visible {
  outline: 2px solid rgba(168, 152, 128, 0.45);
  outline-offset: 2px;
}

.aei-login-forgot {
  font-size: 0.875rem;
  color: var(--aei-piedra);
  text-decoration: none;
  transition: color 160ms ease;
}

.aei-login-forgot:hover {
  color: var(--aei-bronce);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.aei-login-submit {
  display: block;
  width: 100%;
  padding: 0.85rem 1rem;
  border: 0;
  border-radius: 8px;
  background: var(--aei-bronce);
  color: var(--aei-blanco);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background-color 180ms ease, transform 160ms ease, box-shadow 180ms ease;
  box-shadow: 0 8px 20px rgba(168, 152, 128, 0.28);
}

.aei-login-submit:hover:not(:disabled) {
  background: var(--aei-bronce-hover);
}

.aei-login-submit:active:not(:disabled) {
  transform: translateY(1px);
}

.aei-login-submit:disabled {
  opacity: 0.7;
  cursor: wait;
  box-shadow: none;
}

.aei-login-submit:focus-visible {
  outline: 2px solid rgba(168, 152, 128, 0.55);
  outline-offset: 3px;
}

.aei-login-footer {
  margin: 1.5rem 0 0;
  text-align: center;
  font-size: 0.9rem;
  color: var(--aei-piedra);
}

.aei-login-footer__link {
  color: var(--aei-grafito);
  font-weight: 700;
  text-decoration: none;
  margin-left: 0.15rem;
}

.aei-login-footer__link:hover {
  color: var(--aei-bronce);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Acciones secundarias (olvidé contraseña, etc.) */
.aei-login-card__actions {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.25rem;
}

.aei-login-btn-secondary {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--aei-lino);
  border-radius: 8px;
  background: transparent;
  color: var(--aei-piedra);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  text-align: center;
  text-decoration: none;
  transition: border-color 160ms ease, color 160ms ease, background-color 160ms ease;
}

.aei-login-btn-secondary:hover {
  border-color: var(--aei-bronce);
  color: var(--aei-grafito);
  background: rgba(232, 227, 218, 0.45);
}

.aei-login-hint {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--aei-piedra);
}

@media (max-width: 480px) {
  .aei-login-card__header,
  .aei-login-card__body {
    padding-left: 1.35rem;
    padding-right: 1.35rem;
  }

  .aei-login-meta {
    flex-direction: column;
    align-items: flex-start;
  }
}