/* ==========================================================================
   PANTALLA DE INICIO DE SESIÓN CON TOGGLE DE CONTRASEÑA
   ========================================================================== */

.login-body {
  background-color: var(--bg-main);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.login-container {
  width: 100%;
  max-width: 440px;
}

.login-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-lg);
}

.brand-header {
  text-align: center;
  margin-bottom: 2rem;
}

.brand-logo-circle {
  width: 70px;
  height: 70px;
  background-color: var(--primary-color);
  color: var(--text-inverse);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-md);
}

.brand-title {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary-color);
  letter-spacing: 0.08em;
}

body.dark-theme .brand-title {
  color: #5eead4;
}

.brand-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.form-group {
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 0.85rem;
  color: var(--text-muted);
  pointer-events: none;
}

.toggle-password-btn {
  position: absolute;
  right: 0.75rem;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

.toggle-password-btn:hover {
  color: var(--primary-color);
}

.form-control {
  width: 100%;
  padding: 0.7rem 2.6rem 0.7rem 2.6rem;
  font-size: 0.95rem;
  font-family: inherit;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-main);
  color: var(--text-main);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(31, 58, 55, 0.15);
}

.alert {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.alert-warning {
  background-color: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
}

.alert-error {
  background-color: #fee2e2;
  color: #991b1b;
  border: 1px solid #fca5a5;
}

.login-footer {
  margin-top: 2rem;
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
}