/* Página de autenticación / registro */

.auth-body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
  background: radial-gradient(circle at top left, #e0ecff 0, transparent 45%),
              radial-gradient(circle at bottom right, #ffe4f0 0, transparent 45%),
              #f5f5f7;
  color: #111827;
}

.auth-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: linear-gradient(to right, rgba(255,255,255,0.88), rgba(255,255,255,0.94));
  border-bottom: 1px solid #e5e5ea;
}

.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 0.9rem;
  background: radial-gradient(circle at 15% 0, #fb7185, #ec4899 40%, #6366f1 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: #ffffff;
  box-shadow: 0 12px 30px rgba(0,0,0,0.18);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-weight: 600;
  font-size: 1rem;
}

.brand-subtitle {
  font-size: 0.78rem;
  color: #6b7280;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header-link {
  font-size: 0.88rem;
  text-decoration: none;
  color: #4b5563;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
}

.header-link:hover {
  background: rgba(15,23,42,0.04);
}

.header-cta {
  font-size: 0.88rem;
  text-decoration: none;
  padding: 0.48rem 0.9rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #4f46e5, #6366f1);
  color: #ffffff;
  font-weight: 500;
  box-shadow: 0 10px 22px rgba(79,70,229,0.35);
}

/* Layout principal de registro */

.auth-main {
  max-width: 1120px;
  margin: 2.5rem auto 3.5rem;
  padding: 0 1.25rem;
}

.auth-wrapper {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 2.5rem;
  align-items: stretch;
}

.auth-card {
  background: rgba(255,255,255,0.96);
  border-radius: 1.75rem;
  padding: 1.75rem 1.75rem 1.9rem;
  box-shadow:
    0 22px 60px rgba(15,23,42,0.12),
    0 0 0 1px rgba(148,163,184,0.20);
  backdrop-filter: blur(18px);
}

.auth-card-header h1 {
  margin: 0 0 0.4rem;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.auth-card-header p {
  margin: 0;
  font-size: 0.95rem;
  color: #6b7280;
}

/* Mensajes */

.alert {
  margin-top: 1rem;
  margin-bottom: 0.5rem;
  padding: 0.55rem 0.8rem;
  border-radius: 0.9rem;
  font-size: 0.86rem;
}

.alert-error {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

.alert-ok {
  background: #ecfdf3;
  color: #166534;
  border: 1px solid #bbf7d0;
}

/* Formulario */

.auth-form {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-row.two-cols {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 0.9rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.form-field label {
  font-size: 0.8rem;
  font-weight: 500;
  color: #374151;
}

.field-shell {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: #f9fafb;
  border-radius: 0.9rem;
  padding: 0.45rem 0.7rem;
  border: 1px solid #e5e7eb;
  transition: border-color 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}

.field-shell:focus-within {
  border-color: #6366f1;
  background: #ffffff;
  box-shadow: 0 0 0 1px rgba(99,102,241,0.1), 0 10px 22px rgba(15,23,42,0.08);
}

.field-icon {
  font-size: 0.9rem;
  opacity: 0.85;
}

.field-shell input,
.field-shell select {
  border: none;
  outline: none;
  background: transparent;
  width: 100%;
  font-size: 0.9rem;
  color: #111827;
}

.field-hint {
  font-size: 0.76rem;
  color: #9ca3af;
}

/* Botones */

.btn {
  border: none;
  cursor: pointer;
  font-family: inherit;
  border-radius: 999px;
  font-size: 0.95rem;
}

.btn-primary {
  background: linear-gradient(135deg, #4f46e5, #6366f1);
  color: #ffffff;
  font-weight: 500;
  padding: 0.68rem 1.2rem;
  box-shadow: 0 16px 35px rgba(79,70,229,0.35);
  transition: transform 0.12s ease, box-shadow 0.12s ease, filter 0.12s ease;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 45px rgba(79,70,229,0.4);
  filter: brightness(1.03);
}

.btn-full {
  width: 100%;
}

.auth-switch {
  margin-top: 0.6rem;
  font-size: 0.86rem;
  color: #6b7280;
  text-align: center;
}

.auth-switch a {
  color: #4f46e5;
  text-decoration: none;
  font-weight: 500;
}

/* Panel lateral */

.auth-side {
  align-self: stretch;
  padding: 1.3rem 1.5rem 1.6rem;
  border-radius: 1.75rem;
  background: radial-gradient(circle at top left, rgba(79,70,229,0.16), transparent 60%),
              radial-gradient(circle at bottom right, rgba(236,72,153,0.16), transparent 60%),
              rgba(15,23,42,0.96);
  color: #e5e7eb;
  box-shadow:
    0 22px 60px rgba(15,23,42,0.45),
    0 0 0 1px rgba(148,163,184,0.35);
}

.auth-side-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.73rem;
  background: rgba(15,23,42,0.8);
  border: 1px solid rgba(148,163,184,0.65);
  margin-bottom: 0.75rem;
}

.auth-side h2 {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}

.auth-side p {
  margin: 0 0 0.9rem;
  font-size: 0.9rem;
  color: #cbd5f5;
}

.auth-benefits {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  font-size: 0.86rem;
}

.auth-benefits li {
  position: relative;
  padding-left: 1.1rem;
  margin-bottom: 0.35rem;
}

.auth-benefits li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: #a5b4fc;
  position: absolute;
  left: 0.3rem;
  top: 0.5rem;
}

.auth-highlight {
  margin-top: 0.4rem;
  padding: 0.8rem 0.9rem;
  border-radius: 1rem;
  background: rgba(15,23,42,0.9);
  border: 1px solid rgba(129,140,248,0.7);
}

.auth-highlight-label {
  display: inline-block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: #a5b4fc;
  margin-bottom: 0.25rem;
}

.auth-highlight p {
  margin: 0;
  font-size: 0.84rem;
  color: #e5e7eb;
}

/* Responsivo */

@media (max-width: 880px) {
  .auth-wrapper {
    grid-template-columns: minmax(0, 1fr);
  }

  .auth-side {
    order: -1;
  }
}

@media (max-width: 640px) {
  .auth-main {
    margin-top: 1.5rem;
  }

  .auth-card {
    padding: 1.25rem 1.25rem 1.5rem;
    border-radius: 1.25rem;
  }

  .auth-side {
    border-radius: 1.25rem;
  }

  .form-row.two-cols {
    grid-template-columns: minmax(0, 1fr);
  }
}