/* Portal de acceso — panel institucional + formulario */

:root {
  --auth-navy: #0b1f3a;
  --auth-navy-mid: #123a5c;
  --auth-teal: #0d9488;
  --auth-card: #ffffff;
  --auth-page-bg: #e8eef5;
  --auth-text: #0f172a;
  --auth-muted: #64748b;
  --auth-border: #cbd5e1;
  --auth-error-bg: #fef2f2;
  --auth-error: #b91c1c;
  --auth-success-bg: #ecfdf5;
  --auth-success: #047857;
  --auth-warn-bg: #fffbeb;
  --auth-warn: #b45309;
  --auth-info-bg: #eff6ff;
  --auth-info: #1d4ed8;
  --auth-radius-lg: 20px;
  --auth-radius: 12px;
  --auth-shadow: 0 22px 55px rgba(15, 23, 42, 0.12);
  --font: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body.auth-shell {
  font-family: var(--font);
  color: var(--auth-text);
  background: var(--auth-page-bg);
  line-height: 1.5;
}

.auth-shell__grid {
  display: grid;
  min-height: 100vh;
  grid-template-columns: 1fr;
}

@media (min-width: 900px) {
  .auth-shell__grid {
    grid-template-columns: minmax(280px, 42%) 1fr;
  }
}

.auth-shell__brand {
  position: relative;
  background: linear-gradient(155deg, var(--auth-navy) 0%, var(--auth-navy-mid) 48%, #0c4a6e 100%);
  color: #e2e8f0;
  padding: 2.5rem 2rem 3rem;
  overflow: hidden;
  min-height: 11rem;
}

.auth-shell__brand--with-bg {
  background-color: var(--auth-navy);
  background-image: linear-gradient(
      155deg,
      rgba(11, 31, 58, 0.9) 0%,
      rgba(18, 58, 92, 0.82) 42%,
      rgba(12, 74, 110, 0.78) 100%
    ),
    var(--auth-brand-bg);
  background-size: cover, cover;
  background-position: center, center;
  background-repeat: no-repeat, no-repeat;
}

@media (min-width: 900px) {
  .auth-shell__brand--with-bg {
    min-height: 100vh;
  }
}

.auth-shell__brand--with-bg::before {
  opacity: 0.5;
}

.auth-shell__brand--with-bg::after {
  opacity: 0.4;
}

.auth-shell__brand::before {
  content: "";
  position: absolute;
  inset: -40% -20% auto -30%;
  height: 120%;
  background: radial-gradient(ellipse at 30% 20%, rgba(20, 184, 166, 0.35), transparent 55%);
  pointer-events: none;
}

.auth-shell__brand::after {
  content: "";
  position: absolute;
  right: -30%;
  bottom: -40%;
  width: 90%;
  height: 90%;
  background: radial-gradient(circle at 70% 70%, rgba(59, 130, 246, 0.2), transparent 50%);
  pointer-events: none;
}

.auth-shell__brand-inner {
  position: relative;
  z-index: 1;
  max-width: 22rem;
}

.auth-shell__brand--with-bg .auth-shell__brand-inner {
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.45);
}

.auth-shell__mark-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 0 0 0.75rem;
}

.auth-shell__escudo {
  width: 4.5rem;
  height: 4.5rem;
  object-fit: contain;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 10px rgba(0, 0, 0, 0.35));
}

.auth-shell__mark {
  margin: 0;
  flex: 1;
  min-width: 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(226, 232, 240, 0.85);
  line-height: 1.35;
}

.auth-shell__product {
  margin: 0 0 1rem;
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  font-weight: 700;
  line-height: 1.25;
  color: #f8fafc;
}

.auth-shell__tagline {
  margin: 0;
  font-size: 0.95rem;
  color: rgba(226, 232, 240, 0.88);
  max-width: 20rem;
}

.auth-shell__main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 1rem 2.5rem;
}

@media (min-width: 900px) {
  .auth-shell__main {
    padding: 2rem 2.5rem;
  }
}

.auth-shell__card {
  width: 100%;
  max-width: 420px;
  background: var(--auth-card);
  border-radius: var(--auth-radius-lg);
  box-shadow: var(--auth-shadow);
  padding: 2rem 1.75rem 1.5rem;
  border: 1px solid rgba(148, 163, 184, 0.25);
}

@media (min-width: 480px) {
  .auth-shell__card {
    padding: 2.25rem 2rem 1.75rem;
  }
}

.auth-shell__card-head {
  margin-bottom: 1.35rem;
}

.auth-badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--auth-teal);
  background: rgba(13, 148, 136, 0.12);
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  margin-bottom: 0.65rem;
}

.auth-shell__title {
  margin: 0 0 0.35rem;
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--auth-text);
}

.auth-shell__subtitle {
  margin: 0;
  font-size: 0.9rem;
  color: var(--auth-muted);
}

.auth-steps {
  display: flex;
  gap: 0.5rem;
  margin: 1rem 0 0;
  flex-wrap: wrap;
}

.auth-step {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--auth-border);
  color: var(--auth-muted);
  background: #f8fafc;
}

.auth-step--active {
  border-color: rgba(13, 148, 136, 0.45);
  color: var(--auth-teal);
  background: rgba(13, 148, 136, 0.08);
}

.auth-step--done {
  border-color: transparent;
  color: #0f766e;
  background: rgba(13, 148, 136, 0.15);
}

.auth-messages {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
}

.auth-messages li {
  padding: 0.55rem 0.75rem;
  border-radius: var(--auth-radius);
  font-size: 0.875rem;
  margin-bottom: 0.4rem;
}

.auth-messages .error {
  background: var(--auth-error-bg);
  color: var(--auth-error);
}

.auth-messages .success {
  background: var(--auth-success-bg);
  color: var(--auth-success);
}

.auth-messages .warning {
  background: var(--auth-warn-bg);
  color: var(--auth-warn);
}

.auth-messages .info {
  background: var(--auth-info-bg);
  color: var(--auth-info);
}

.auth-field {
  margin: 0 0 1rem;
}

.auth-field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--auth-text);
  margin-bottom: 0.4rem;
}

.auth-input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid var(--auth-border);
  border-radius: var(--auth-radius);
  background: #f8fafc;
  color: var(--auth-text);
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}

.auth-input:hover {
  border-color: #94a3b8;
}

.auth-input:focus {
  outline: none;
  border-color: var(--auth-teal);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.2);
}

.auth-field__hint {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.8rem;
  color: var(--auth-muted);
}

.auth-actions {
  margin-top: 1.35rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}

.auth-btn {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.65rem 1.25rem;
  border-radius: var(--auth-radius);
  border: none;
  text-decoration: none;
  transition: background 0.15s, transform 0.1s;
}

.auth-btn:active {
  transform: scale(0.98);
}

.auth-btn--primary {
  background: linear-gradient(135deg, #0f766e, var(--auth-teal));
  color: #fff;
  box-shadow: 0 8px 20px rgba(13, 148, 136, 0.35);
}

.auth-btn--primary:hover {
  filter: brightness(1.05);
}

.auth-btn--ghost {
  background: transparent;
  color: var(--auth-navy-mid);
  border: 1px solid var(--auth-border);
}

.auth-btn--ghost:hover {
  background: #f1f5f9;
}

.auth-shell__footer {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid #e2e8f0;
  font-size: 0.85rem;
}

.auth-footer-switch {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.65rem;
}

.auth-footer-switch--row {
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
}

.auth-footer-switch__label {
  font-size: 0.8rem;
  color: var(--auth-muted);
  font-weight: 600;
}

.auth-shell__footer .auth-btn--ghost {
  color: var(--auth-navy-mid);
  text-decoration: none;
}

.auth-shell__footer .auth-btn--ghost:hover {
  text-decoration: none;
}

.auth-shell__footer a:not(.auth-btn) {
  color: var(--auth-teal);
  font-weight: 600;
  text-decoration: none;
}

.auth-shell__footer a:not(.auth-btn):hover {
  text-decoration: underline;
}

.auth-nonfield {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
}

.auth-nonfield li {
  padding: 0.55rem 0.75rem;
  border-radius: var(--auth-radius);
  font-size: 0.875rem;
  background: var(--auth-error-bg);
  color: var(--auth-error);
}